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121results about How to "Prevent blasting" patented technology

Method and equipment for overall recycling treatment of scraped car

The invention discloses a method for overall recyling treatment of a scraped car. The method comprises the following steps of: step 1: pretreating the scraped car, namely conveying the scraped car to a washing station to wash the whole car, conveying the washed car to an oil discharging station to pump off waste oil and waste liquid in the car, recycling the waste oil and the waste liquid in the car according to different types, and then moving the scraped car to a fully closed environment to ignite a safety air bag; step 2: disassembling the scraped car: demounting parts which can be used for remanufacturing from the whole car, and placing the demounted parts according to types; and step 3: performing crushing and sorting: conveying a disassembled car body and parts which cannot be used for remanufacturing to a crushing station to obtain crushed materials, conveying the crushed materials to a sorting station, sorting out iron through magnetic separation, sorting out crushed materials of different grain diameters through rotary screens, separately conveying the crushed materials of different grain diameters, sorting out light materials through air sorting, sorting out non-ferrous metal from residual crushed materials through eddy current, and finally sorting out stainless steel through inductive separation. Through the adoption of the method and the device disclosed by the invention, the maximum recycling of various metal and plastic resources in the scraped car is realized.
Owner:GEM CO LTD

Underwater buoyancy adjusting device

The invention discloses an underwater buoyancy adjusting device which comprises a sealing shell, a gasbag, a control module, an exhaust module and an inflation module. The gasbag is arranged outside the sealing shell, and the control module, the exhaust module and the inflation module are arranged inside the sealing shell. The inflation module is connected with the gasbag through an inflation pipesealing cabin penetrating piece, and an exhaust pipeline of the exhaust module communicates with an inflation pipeline of the inflation module. According to the underwater buoyancy adjusting device,a high-pressure pneumatic buoyancy system is adopted, a high-pressure gas source is adopted as buoyancy adjusting driving force, compared with a traditional buoyancy adjusting system, the weight is low, the maintaining cost is low, rapid replacement can be achieved, the weights of loads are reduced, and lightweight design of amphibious aircrafts is facilitated; and by arranging a safety valve, thesituation that under the condition that a controller breaks down or the large measuring error is generated by a gas pressure sensor inside the gasbag, superscalar excess gas is automatically releasedto the annular gasbag and thus gasbag blasting is caused is avoided.
Owner:SHANGHAI JIAO TONG UNIV

Full-automatic sterilizing quality-guaranteeing steamer and sterilizing technology

The invention relates to a full-automatic sterilizing quality-guaranteeing steamer and a sterilizing technology which are suitable for sterilizing and quality guaranteeing of fully closed box-packed fast food. The steamer comprises a pot body, a pot cover, a steam pipe, a return water storage tank, a vent pipe, a water cycle pipeline and a drain pipe, wherein the water cycle pipeline comprises a return water pipe, a chief spray pipe, a water inlet pipe and a water outlet pipe, the pot body is provided with a thermometer I, a pressure gauge I, a water-thermometer I and a reducing valve I, and is connected with an automatic control box, the pot cover is hermetically connected with the pot body, the pot body is connected with the steam pipe, the vent pipe, the chief spray pipe and the water outlet pipe, the return water storage tank is connected with the return water pipe and the vent pipe, the drain pipe is communicated with the water outlet pipe, the inner cavity of the pot body comprises a temperature control sensor, a water outlet hole, a steam heating pipe, an upper spray pipe and a side spray pipe, and the upper spray pipe and the side spray pipe are communicated with the chief spray pipe. The steamer can be used for automatically and accurately controlling the temperature, pressure and time, guaranteeing the sterilizing quality through heating and cooling by gradient, and saving energy and water because the hot and cold spray water is used and stored reasonably.
Owner:HANGZHOU GUANHUAWANG FOOD

Cleaning process for cleaning filtration material of a gas filter and a device for carrying out the process

A cleaning process for filtration material of a gas filter is disclosed. A first step hinders the gas flow from passing through the filtration material by closing the clean gas side of a single segment or a row of filter segments. A second step provides a slow gas flow to the closed filter segments to cause a reverse gas flow through the filtration material. A third step opens an impulse valve for an ultra short time to create a compressed gas impulse for disengaging the particles which did not fall off the filtration material during the second step of the cleaning process. A fourth step shuts off the reverse flow gas supply. A device for separating one or several filter segments from the clean gas side of the filter filtration material is also disclosed.
Owner:ZIMMER SEBASTIAN

Fire extinguisher based on airbag-driven normal-pressure liquid fire-extinguishing agent

The invention discloses a fire extinguisher based on an airbag-driven normal-pressure liquid fire-extinguishing agent. The fire extinguisher comprises a liquid storage tank (2) and a controller (8), wherein a nozzle (1) is arranged at the top end of the liquid storage tank (2). A piston (4) is arranged in the liquid storage tank (2). The part, above the piston (4), in the liquid storage tank (2) is filled with the fire-extinguishing agent (3). An airbag (5) and a gas generator (6) are integrated in the part, below the piston (4), in the liquid storage tank (2). The gas generator (6) is arranged inside the airbag (5) and connected with the controller (8) arranged outside the liquid storage tank (2) through a control wiring harness (7). The fire extinguisher has the beneficial effects that the structure of a fire extinguishing system is simplified, the total weight of the system is lowered, cost is reduced, the mounting space is reduced, and mounting is convenient.
Owner:HANGZHOU TITAN NEW ENERGY TECH

Intelligent balloon

The invention discloses an intelligent balloon. The intelligent balloon comprises a balloon body, a balloon valve, a ballast device, a collecting device and a controller, wherein the balloon valve is arranged on the balloon body and used for deflating the intelligent balloon when being opened; the ballast device is used for releasing ballast; the collecting device is used for collecting environment parameters and flight state information of the intelligent balloon; and the controller is respectively connected with the balloon valve, the ballast device and the collecting device to determine the flight mode of the intelligent balloon according to the flight state information of the intelligent balloon and control the balloon valve and the ballast device according to the flight mode, the environment parameters and the flight state information. According to the invention, the lifting of the balloon can be intelligently controlled and the service life of the balloon can be greatly prolonged so that the balloon can obtain much meteorological data through single flying; the same elevation can be measured for a plurality of times so that the reliability of the measured data is improved; and moreover, the balloon can be controlled to safety and stably land to achieve the purpose of being recycled so that the flight cost is reduced.
Owner:青海海清强声科技有限公司

Ship segmented spraying robot based on visual guidance

The invention discloses a ship segmented spraying robot based on visual guidance. The ship segmented spraying robot based on visual guidance comprises a bottom frame, rotating rods and a bottom plate, two rotating rods arranged side by side are installed on the front face of the bottom frame, the bottom plate is installed at the top of the bottom frame, a cover frame is installed at the top of the bottom plate, and cylinders are installed on the inner walls of the two sides of the cover frame; and a storage cylinder is installed at the top of the cover frame, a stirring motor is installed at the top of the storage cylinder, a rotating shaft is installed at the output end of the stirring motor, the bottom of the rotating shaft extends into the storage cylinder, a movable rod is installed at the bottom of the rotating shaft, and a plurality of stirring rods which are arranged up and down are uniformly installed on the outer surface of the movable rod. According to the ship segmented spraying robot based on visual guidance, paint supply can be conducted in real time, spraying can be shielded through the cover plate during spraying operation, the situation that the spraying operation exceeds the area range is avoided, meanwhile, segmented spraying operation can be conducted through the device, and when the robot is impacted, impact force can be absorbed through a telescopic spring, and then damage caused by impact is reduced.
Owner:南通大学技术转移中心有限公司

High-temperature high-pressure vacuumizing test device and operating method thereof

The invention discloses a high-temperature high-pressure vacuumizing test device and an operating method thereof. The high-temperature high-pressure vacuumizing test device comprises a vessel holder (3), a console (4), a stander (1) for installing the vessel holder (3) and the console (4) and an interface (2), wherein a test vessel (6) which is used for arranging a test sample (5) and provided with a sealing cover is arranged in the vessel holder (3), and the high-temperature high-pressure vacuumizing test device also comprises a pressure system, a temperature system and a vacuum pump (8); the pressure system is arranged in the console (4), and the pressure system is communicated with the test vessel (6) to adjust the pressure value in the test vessel (6); the temperature system consists of a part which is arranged in the console (4) and a part which is arranged in an inner cavity of the test vessel (6), and the two parts of the temperature system are communicated with each other to adjust the temperature value in the test vessel (6); the vacuum pump (9) is arranged on the stander. The high-temperature high-pressure vacuumizing test device integrates the temperature system, the pressure system and the vacuumizing system.
Owner:NINGBO XINGJIAN SPACE MACHINERY

Poisonous gas leakage monitoring and alarming protection air bag device for the chemical industry

The invention discloses a poisonous gas leakage monitoring and alarming protection air bag device for the chemical industry. The poisonous gas leakage monitoring and alarming protection air bag device comprises an air bag and a poisonous gas alarm, wherein the air bag is arranged at the installation position of a chemical equipment port, and wraps and clings to the whole installation position of the chemical equipment port; and the poisonous gas detector is arranged in the air bag for detection when poisonous gas is leaked and is filled in the air bag. If gas leakage occurs, the air bag is expanded instantly so that people can timely discover that the poisonous gas is leaked and can store the poisonous gas timely so that the poisonous gas is not leaked in the air. The air bag can be made of transparent materials so that the state of using parts can be observed without obstruction; the air bag has no influence on normal installation of the chemical equipment port and has substantiality in usage; the poisonous gas detector can detect the poisonous gas and alarm, and can display the detection process and result in a perceptual intuition mode; and the poisonous gas alarm can timely alarm and notify an operator about other gas leakage situations so as to realize processing and maintenance timely.
Owner:湖南永泰职业安全科技有限公司

Medium-deep hole blasting suspended top treatment method in sublevel caving method

The invention discloses a medium-deep hole blasting suspended top treatment method in a sublevel caving method. The medium-deep hole blasting suspended top treatment method comprises the following steps that first encrypted blast holes are additionally perforated between two rows of normal blast holes close to the suspended top area, second encrypted blast holes are additionally perforated in theouter sides of the two rows of normal blast holes, and the first encrypted blast holes and the second encrypted blast holes are then exploded together through blast holes in a rear-section normal blast hole row. The medium-deep hole blasting suspended top treatment method has the advantages that the operation process is simple, safe, efficient and reliable, under the condition that the normal sidecaving row blasting is not affected, only a small amount of vertical holes need to be additionally perforated to serve as the encryption blast holes, then the suspended top problem can be solved, a series of processes of new digging projects and high-difficulty construction hole sites are reduced, the phenomenon that the construction period is prolonged due to the suspended top is effectively shortened, the operation technology is simple, the requirement for the hole position of the encrypted blast holes is low, and the method is easy to popularize and apply.
Owner:CENT SOUTH UNIV +1

Device for reducing and preventing hydrostatic extrusion breakdown blast-firing damages

InactiveCN101745558AReduce and blast damagePrevent blastingRams/plungersMechanical engineeringExtrusion
The invention discloses a device for reducing and preventing hydrostatic extrusion breakdown blast-firing damages, which belongs to the technical field of extrusion processing, an extrusion cap is placed in an extrusion cylinder, the extrusion cap and a blank are in tight fit and assembly, a seal ring is arranged at the front section of the extrusion cap, a liquid channel is arranged on the outer circle of the extrusion cap, a damping hole is arranged at the bottom of the extrusion cap, extrusion liquid is filled between an extrusion rod and a mold, and the blank is extruded for obtaining a finished product. The extrusion cap moves along with the blank during the extrusion process, and the extrusion liquid can fill the whole extrusion cylinder through the liquid channel; when the extrusion is close to the end, the seal ring at the front section of the extrusion cap is in contact with the upper end surface of the mold for playing the sealing role, and then the extrusion liquid can only impose the pressure to the blank through the damping hole of the extrusion cap, thereby achieving the purpose of reducing the speed of the blank. The adoption of the device can effectively reduce and prevent the hydrostatic extrusion breakdown blast-firing damages.
Owner:有研科技集团有限公司

Soft oxygen cabin with self-adjusting cabin body

The invention provides a soft oxygen cabin with a self-adjusting cabin body. The soft oxygen cabin comprises the cabin body, a gas incoming assembly and a manual adjusting valve, the cabin body is surrounded to be isolated from the outside and forms an oxygen containing space, the gas incoming assembly communicates or isolates the outside and the oxygen containing space, an opening-closing device is arranged above inner zippers of the cabin body, the cabin body further comprises a soft interlayer, and two sides of the soft interlayer are fixed at the bottom of the inner side of the cabin body respectively. When the oxygen containing space is filled with gas, the soft interlayer is opened to be in a straight state, and when the oxygen containing space is not filled with gas, the soft interlayer is folded and stored; the inner zippers play a role in pressure bearing and sealing respectively, thereby effectively playing a special role respectively. A deflation valve and an emergency valve can automatically adjust over pressure and under pressure states respectively, and suffocation of personnel in the cabin can be prevented effectively in special accidents.
Owner:ZHONGSHAN YUANQI HEALTH MANAGEMENT CO LTD

Operating method of equipment airborne multistage airbag cooperative shock absorber

The invention discloses an operating method of an equipment airborne multistage airbag cooperative shock absorber. The multistage airbag cooperative shock absorber comprises an upper airbag, an airbagtube column and a lower airbag. In an equipment airborne landing process, the upper airbag can discharge gases and relieve pressure outside by virtue of an upper airbag exhaust valve, gases can be discharged to the airbag tube column by virtue of a combined exhaust valve I, and the airbag tube column expands to realize first-stage shock absorption; the airbag tube column can discharge gases and relieve pressure outside by virtue of an airbag tube column exhaust valve, gases can be discharged to the lower airbag by virtue of a combined exhaust valve II, and the lower airbag expands to realizesecond-stage shock absorption; the lower airbag can discharge gases and relieve pressure outside by virtue of a lower airbag exhaust valve to realize third-stage shock absorption; after equipment airborne safe landing, the airbag device can be vented and is convenient to contain and store. According to the multistage shock absorption method of the multistage airbag cooperative shock absorber, airborne equipment can be prevented from directly contacting with the ground, multistage release of the pressure inside the airbag can also be realized, airbag blasting is avoided, and safe landing of theairborne equipment is ensured.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Enteroscope balloon

The invention relates to the technical field of medical equipment, in particular to an enteroscope balloon. The enteroscope balloon comprises a longitudinally arranged fixed tube, a movable sleeve sleeved with the fixed tube, a first rubber piston, a dilation balloon, a sealing rubber ring and a push-pull device; the fixed tube and the movable sleeve are each of a hollow structure, the extended end of the movable sleeve stretches into the dilation balloon, the sealing rubber ring is used for making the movable sleeve and the dilation balloon connected, the upper end of the fixed tube is connected with the push-pull device, retraction and stretching of the movable sleeve are controlled by means of vertical movement of the second rubber piston in the push-pull device, the movable sleeve retracts, the sealing rubber ring and the dilation balloon achieve automatic separation from the movable sleeve, the dilation balloon is left in the colon, a dilation balloon physically blocks port side intestine peristaltic wave to be transmitted to the anorectal colon, large intestine peristalsis is weakened, and by means of the physical supporting effect of the dilation balloon, an operation spaceand clear vision are provided for endoscopic treatment.
Owner:郑由周

Driving Circuit and Method for Preventing Lamp from Blasting

In a driving circuit and method for preventing a lamp from blasting, a driving circuit includes a control circuit module, a voltage conversion circuit module, a driving module and a feedback circuit. The control circuit module outputs a first control signal according to a predetermined setting. The voltage conversion circuit module receives the first control signal and converts the first control signal into a second control signal. The driving module receives the second control signal and generates a driving signal according to the second control signal for driving the lamp. The feedback circuit electrically couples to one of the control circuit module, the voltage conversion circuit module and the driving module for receiving a feedback signal therefrom. The feedback signal is transmitted to the control circuit module, so that the control circuit module may adjust the first control signal according to the feedback signal.
Owner:CORETRONIC

Tool clamp for clamping irregular arc plate of automobile and method

The invention belongs to the technical field of automobile arc plate machining and mounting and relates to a tool clamp for clamping an irregular arc plate of an automobile and a method. The tool clamp comprises a clamping base, a pressure-bearing air bag is arranged in a gap between a pair of clamping tables which are in bilateral symmetry, the lower end of the pressure-bearing air bag is communicated with a pair of buffering air bags which are in bilateral symmetry through a three-way pipe, the outer wall of the middle section of the pressure-bearing air bag is connected with an annular limiting ring in an extruding and clamping mode, the upper end of the pressure-bearing air bag is provided with a plurality of sets of pressing strips which are linearly distributed, the upper ends of the buffering air bags are provided with pressing plates which perform pressing downwards, and the upper ends of the pressing strips are connected with reinforcing strips with storage grooves in an inserted mode. According to the tool clamp, through the cooperation of a pulling rope and a hanging ring, the bottom of the pressure-bearing air bag is adjusted; and the pressing strips are used for supporting a workpiece, a machining position is limited through the insertion cooperation of the pressing strips and the reinforcing strips, so that the air bag is prevented from being affected by a cutter or machining chippings, and meanwhile unified recycling of the machining chippings is achieved.
Owner:新昌县维斯机械有限公司

Plastic bottle compression mechanism

The invention discloses a plastic bottle compression mechanism. The plastic bottle compression mechanism comprises a compression box body having a front side plate and a rear side plate and a moving plate which is driven by an oil pressure cylinder to translate, wherein the inner walls of the moving plate and the front side plate are provided with a rack plate, each rack plate is provided with vertical racks which are uniformly distributed, each rack is in a trapezoidal shape, a distance between two adjacent racks is greater than a maximum width of the rack, and the racks of the two rack plates are uniformly crossly distributed; one rack plate is provided with a vertical puncture needle, the puncture needle is in a hollow tubular shape, and a needle point is provided with a diagonal plane;the puncture needle is also sleeved with a spring. Two sides of the engaged racks are provided with a gap part, and the front part of a bottle opening can automatically fall into two adjacent racks of one rack plate, while a bottle body is alternately squeezed by two rack plates in two opposite directions, so that the bottle body is flatly attached to the gap parts and unlikely to bounce up; whenin squeezing, the tops of the two adjacent racks of the same rack plate form two supporting points, while the tops of the racks at the opposite side squeeze the bottle body from a middle point of thetwo supporting points, so that a driving force provided by the oil pressure cylinder can be reduced.
Owner:东莞市动能环保科技有限公司

Cleaning Process for Cleaning Filtration Material of a Gas Filter and a Device for Carrying Out the Process

A cleaning process for filtration material of a gas filter is disclosed. A first step hinders the gas flow from passing through the filtration material by closing the clean gas side of a single segment or a row of filter segments. A second step provides a slow gas flow to the closed filter segments to cause a reverse gas flow through the filtration material. A third step opens an impulse valve for an ultra short time to create a compressed gas impulse for disengaging the particles which did not fall off the filtration material during the second step of the cleaning process. A fourth step shuts off the reverse flow gas supply. A device for separating one or several filter segments from the clean gas side of the filter filtration material is also disclosed.
Owner:ZIMMER SEBASTIAN

Crab-claw type filling device for filling slag into mine blast holes

The invention discloses a crab-claw type filling device for filling slag into mine blast holes. The crab-claw type filling device is characterized in that a scraping plate device is arranged at the front part of a driving vehicle; a blast-hole-filling auxiliary protecting device is arranged in the slag-filled blast holes; the scraping plate device consists of a support fixed at the front of the driving vehicle and a double-arm crab-claw type scraping plate hinged with the middle part of the support and connected with a hydraulic driving system; the double-arm crab-claw type scraping plate is formed by hinging two symmetrical crab-claw scraping plates; crushing jaws are arranged at the front parts of the crab-claw scraping plates; a forehead opening of each crushing jaw is provided with a group of meshing teeth III; the middle and the tail of each crab-claw scraping plate are respectively provided with a semicircular hopper surface I and a semicircular hopper II with different diameters; and the semicircular hopper surface I and the semicircular hopper surface II are respectively provided with a group of meshing teeth I and a group of meshing teeth II. The crab-claw type filling device disclosed by the invention has the advantages that higher efficiency and higher quality for the filling work of the blast holes are achieved, the safety, reliability and the blasting quality of the mine blasting are effectively improved and the labor intensity of workers is reduced.
Owner:ANSTEEL GRP MINING CO LTD

Detonation type synthesis device

The invention discloses a double-tube connecting structure for detonation synthesis and a detonation synthesis device based on the double-tube connecting structure. The double-tube connecting structure comprises a driving tube, a sample tube and an end plug arranged at the port of the sample tube, wherein the driving tube sleeves the sample tube, and cavities exist between the driving tube and thesample tube and between the driving tube and the end plug. The structure further comprises fixing pieces, and the top end opening and the bottom end opening of the driving tube are covered with the fixing pieces. After detonation, detonation waves are sequentially transmitted from top to bottom and are impacted, and the driving tube performs centroid sliding motion towards the axis of the sampletube from top to bottom, so that the driving tube sequentially coats the top end plug of the sample tube, the sample tube and the bottom end plug of the sample tube from top to bottom. According to the device, a graphite sample can be effectively converted into high-purity diamond, the conversion rate can reach 90% or above, the converted product high-purity diamond can be completely recycled, therecycling rate reaches 100%, and industrial production can be achieved easily.
Owner:CHENGDU INFINITE SINGULARITY TECH CO LTD

Portable beverage bottle recovering and compacting device for environmental protection

The invention relates to the technical field of environmental protection, and discloses a portable beverage bottle recovering and compacting device for environmental protection. The portable beveragebottle recovering and compacting device comprises a supporting chassis, a hydraulic cylinder chamber is arranged on the right side of the top of the supporting chassis, a hydraulic cylinder is fixedlyconnected to the interior of the hydraulic cylinder chamber through a fixed screw, and a hydraulic rod is arranged on one side of the hydraulic cylinder. The portable beverage bottle recovering and compacting device solves the problems that mineral water bottles and beverage bottles occupy large spaces and need to be placed into plastic bags to be then erected on a trolley during recovering, thequality of loading each time is limited, and inconvenience is generated; the supporting chassis, the hydraulic cylinder, the hydraulic rod, an extruding plate, an extruding chamber, a baffle, a feeding opening, a discharging opening, a sliding groove, a sliding rail, a supporting plate, a handle, a lifting handle and a separating plate are arranged, the beverage bottles are fed into the extrudingchamber from the feeding opening, the hydraulic cylinder is started, then the beverage bottles can be compacted, the supporting plate can be pulled out, the discharging opening is opened, the compacted beverage bottles are discharged, and the lifting handle is adopted for bring convenience to carrying.
Owner:WUHU LE CHUANG ELECTRONICS TECH CO LTD

Mine-used interlocking detonating method and mine-used interlocking detonating system

InactiveCN102628660AImprove accuracyAvoid cheatingBlastingData informationEngineering
The invention relates to a mine-used interlocking detonating method, including the following steps: (1) confirming information of a blasting place; (2) confirming identity information of a blasting operator; (3) confirming that actual data information of a blasting environment meets a blasting standard; (4) confirming that a blasting route is in accordance with the blasting standard; (5) confirming that the blasting operator does not go out of a designated activity area of the blasting operator; and (6) generating a blasting instruction and implementing blasting, wherein the blasting instruction can not be generated if information of any of the steps is not confirmed. The invention further relates to a mine-used interlocking detonating system applicable to the method, including an interlocking detonating apparatus and a system host. The method and system provided by the invention integrate an iris identification technology, a radio frequency identification technology and a wireless communication technology together, which improves accuracy of the blasting operator recognizing, guarantees personnel safety of the blasting operator during blasting, makes real-time monitoring of the entire blasting process be realized, and greatly improves the safety of blasting operations.
Owner:毛允德

Radial tire of fiber cord fabric tire shoulders

Disclosed is a radial tire of fiber cord fabric tire shoulders. The radial tire comprises a wire cord fabric, a fiber cord fabric and an airtight layer, wherein the wire cord fabric, the fiber cord fabric and the airtight layer are located at the tire shoulders of the inner wall of the tire, and distributed in sequence from outside to inside; and steel wires are arranged in the wire cord fabric, fibers are arranged in the fiber cord fabric, and included angles of 5-45 degrees are formed between the fibers and the steel wires. The radial tire of fiber cord fabric tire shoulders has the advantages of solving the problems of bending deformation, seam production, cord exposure and the like of the carcass wire cord fabric of the on-load radial tire in the production process by virtue of a netlike structure formed due to different angles between the fibers of the fiber cord fabric and the steel wires of the wire cord fabric, thereby avoiding tire flat, shoulder separation, explosion, early damage and other similar situations, improving the running safety of the tire and prolonging the service life of the tire.
Owner:青岛泰谦科技服务有限公司

Equipment airborne multi-stage airbag cooperative buffering device

The invention discloses an equipment airborne multi-stage airbag cooperative buffering device. The equipment airborne multi-stage airbag cooperative buffering device comprises an upper airbag, an airbag tube column and a lower airbag; the upper airbag can exhaust air to the outside to reduce pressure by using an upper airbag exhaust valve and can also exhaust air to the airbag tube column by usinga combined exhaust valve I, and the airbag tube column expands to realize primary buffering; the airbag tube column can exhaust air to the outside to reduce the pressure by using an airbag tube column exhaust valve and can also exhaust air to the lower airbag by using a combined exhaust valve II, and the lower airbag expands to realize secondary buffering; and the lower airbag can exhaust air tothe outside to the reduce the pressure by using a lower airbag exhaust valve to realize three-stage buffering. According to the equipment airborne multi-stage airbag cooperative buffering device, through multi-stage buffering of the airbag cooperative buffering device, airborne equipment can be prevented from directly touching the ground multi-stage releasing of the pressure in the airbag can alsobe realized; and therefore, the airbag is prevented from exploded and safely landing of the airborne equipment is guaranteed.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Cumulative energy hydraulic blasting device

The present disclosure relates to a cumulative energy hydraulic blasting device. The cumulative energy hydraulic blasting device includes a cumulative energy tube, an explosive package, water bags anda lead wire; the cumulative energy tube is in the shape of a hollow cylinder, a plurality of cumulative energy holes are respectively arranged in the two opposite sides of the cumulative energy tube,and the plurality of cumulative energy holes are distributed along the axial direction of the cumulative energy tube; the explosive package is arranged in the cumulative energy tube, and a detonatoris arranged on the explosive package; the water bags are arranged in the cumulative energy tube and are located at two ends of the explosive package; and the lead wire is connected to the detonator and is led out from the cumulative energy tube. The cumulative energy hydraulic blasting device provided by the present disclosure can effectively avoid gas explosion, has a stronger blasting effect onrocks, and reduces a dust concentration.
Owner:何满潮

Buffering and energy-absorbing highway anti-collision guardrail

The invention relates to a buffering and energy-absorbing highway anti-collision guardrail. The guardrail comprises a pre-buried supporting plate and a plurality of inclined supporting rods connected to one side wall of the pre-buried supporting plate, a plurality of main anti-collision mechanisms are connected to the other side wall of the pre-buried supporting plate, auxiliary buffering mechanisms are arranged in gaps among the main anti-collision mechanisms, and the two ends of each auxiliary buffering mechanism are connected with the main anti-collision mechanism and the embedded supporting plate correspondingly. According to the buffering and energy-absorbing highway anti-collision guardrail, progressive buffering is conducted on out-of-control vehicles through the main anti-collision mechanism and the auxiliary buffering mechanisms, and the buffering process can be more stable and the buffering effect is better through buffering of multiple sets of buffering components. When an anti-collision plate is impacted, the anti-collision plate moves towards a middle limiting column, in the moving process, the auxiliary buffering mechanisms play a role in auxiliary buffering, meanwhile, the anti-collision plate can be prevented from being broken or deformed due to collision, the situation that the fixing column or the hollow sleeve is broken due to uneven stress of the anti-collision plate is effectively avoided, and safety is higher.
Owner:ANHUI JIANCHUAN MUNICIPAL ENG

Double-open type blasting rupture disk

The invention relates to the technical field of rupture disks, and discloses a double-open-type rupture disk which is arranged in a top cover plate of a lithium battery and comprises a disk body, the disk body comprises a continuous-sheet-shaped rupture area and a connecting ring which is in butt joint with the periphery of the rupture area in a surrounding mode and welded to the top cover plate, wherein the connecting ring seals the periphery of the rupture area, and the thickness of the rupture area is smaller than that of the connecting ring; a notch groove is formed in the rupture area and divides the rupture area into two or more than two independently-isolated rupture subareas, and the two ends of the notch groove extend and penetrate to the periphery of the rupture area; the thickness of the rupture area is smaller than that of the connecting ring; when the rupture disk is blasted, blasting can be conducted in the rupture area; the rupturearea is provided with the notch groove, and the notch groove deviates from the welding position, so that the phenomenon that the rupture disk is blasted in the welding process is avoided; and the rupturearea is divided into two or more than two independently-isolated rupture subareas through the notch groove, so that double-open type precise blasting is achieved.
Owner:SHENZHEN RED FAIRY PRECISION TECH CO LTD

High-safety-performance lithium ion battery module and manufacturing method thereof

InactiveCN104347831AThere will be no burning, etc.Ensure safetyBattery isolationCombustionEngineering
A high-safety-performance lithium ion battery module and a manufacturing method thereof are provided. The lithium ion battery module comprises a packaging box, a gas valve, a positive electrode sealing channel, a negative electrode sealing channel, a positive electrode terminal connector, a negative electrode terminal connector and a battery. The interior of the packaging box is used for accommodating the battery. The gas valve is used for inflating inert gas or non-combustion gas or gas which does not support combustion to the interior of the packaging box. The bottom end of the positive electrode sealing channel is provided with an opening, and is disposed inside the packaging box. The top end of the positive electrode sealing channel is sealed and located outside the packaging box. The positive electrode terminal connector is installed at the top end of the positive electrode sealing channel. The bottom end of the negative electrode sealing channel is provided with an opening and is located inside the packaging box. The top of the negative electrode sealing channel is sealed and located outside the packaging box. The negative electrode terminal connector is installed at the top of the negative electrode sealing channel. When a conventional battery is installed inside the battery outer package, the battery combustion phenomenon caused by overheating can be effectively prevented, and therefore the safety of used devices and the safety of users are guaranteed.
Owner:BEIJING LIANDONG TIANYI TECH

Bidirectional press-fit die for embedded joint bearing

The invention discloses a bidirectional press-fit die for an embedded joint bearing. The bidirectional press-fit die comprises a mandrel and two groups of press-fit dies which are oppositely arranged,and each group of press-fit dies comprises an inner ring limiting block, an outer ring limiting block and an press-fit bottom plate; the press-fit bottom plate is connected between the inner ring limiting block and the outer ring limiting block in a sliding mode, a first reset piece is arranged between the inner ring limiting block and the press-fit bottom plate, and a second reset piece is arranged between the outer ring limiting block and the press-fit bottom plate; and when the inner ring limiting block and the outer ring limiting block abut against an inner ring end face and an outer ringend face of the joint bearing correspondingly, and the press-fit bottom plate can overcome the reset force of the first reset piece and the second reset piece under the action of external force to continue to slide so as to press a bush between the inner ring and the outer ring of the joint bearing. The bidirectional press-fit die is high in press-fit efficiency, the efficiency can be improved bymore than one time compared with a traditional press-fit die, the press-fit quality is stable, and the service life of the joint bearing is prolonged.
Owner:FUJIAN LONGXI BEARING (GROUP) CO LTD
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