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142results about How to "Easy to install and implement" patented technology

Method for fabricating new type tension chord truss frame in large span

This is a method used to produce long span spread chord truss. It contains: To weld the belly rod on the upper spread chord rod, put the formed upper chord rod on the wording platform, fix the two ends of this chord rod on the fixed seat, then connect lower end of the belly rod with cover joint pipe, and between two cover pipes beforehand put a lower chord steel pipe. The steel rope pierce through every joint cover pipe and every lower chord steel pipe, then to spread out the steel rope, on the steel rope at the spreading straight, state weld every lower steel pipe with every joint cover pipe, keep the steel rope spread out straightly, then loose the two ends of the upper chord rod from platform, then long span spread chord truss is finished.
Owner:GUIZHOU UNIV

Omnidirectional vertical-axis wind turbine

A two-stage, omnidirectional vertical axis wind turbine includes a first chamber in which a plurality of angularly spaced horns guide wind from any side of the wind turbine into a chamber to rotate a first rotor. Wind exiting the first rotor passes through a diverter to produce laminar flow. A fan attached to the shaft intercepts this laminar flow to add additional torque to the shaft.
Owner:PEZARIS CONSTANTINE D

System and method for realizing rapid payment based on bank intelligent card

The invention discloses a system for realizing rapid payment based on a bank intelligent card, comprising an issuing bank host system (7), an accepting bank host system (6), an accepting terminal (5) and an intelligent card (4) having the function of rapid and safe payment, wherein the issuing bank host system (7) and the accepting bank host system (6) are connected through an interbank network, the accepting bank host system (6) and the accepting terminal (5) are connected through an external network of a bank, and the accepting terminal (5) and the intelligent card (4) are connected in a contact or noncontact type. The invention simultaneously discloses a method for realizing rapid payment based on the bank intelligent card. The invention overcomes the defects at the aspects of the payment speed, the communication cost and the safety risk of the traditional bank card during payment and has the advantages of rapid transaction, high safety and convenient implementation.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

Internet of things gas wireless automatic remote-transmitting meter-reading system

The invention discloses an internet of things gas wireless automatic remote-transmitting meter-reading system, and aims to provide a wireless gas automatic meter-reading system which is far in transmission distance, high in meter-reading efficiency, and less in personal investment, and capable of monitoring a meter running state in real time. The internet of things gas wireless automatic remote-transmitting meter-reading system is realized by the following technical scheme: an intelligent gas meter is in internet of things connection with an operator server in a mode of narrow band internet ofthings NB-IoT, a data collecting computer is loaded through an operator server, and the data collecting computer is capable of, through data collecting and data monitoring, analyzing and managing software, calculating gas charge according to a pricing standard of a gas company and providing a charging method. The data is transmitted to a database server through a computer network, a reminding short message is sent to a user or owner according to user registration information, and an inquired payment notice letter is displayed on a computer of each sales network of the gas company in a mode ofa network webpage, or corresponding information is displayed on a liquid crystal display of a user intelligent gas meter through a photoelectric or electromagnetic electronic device installed in theintelligent gas meter.
Owner:10TH RES INST OF CETC

Contact-type advanced recycling system for waste heat of low-temperature flue gas

The invention relates to a contact-type advanced recycling system for the waste heat of low-temperature flue gas, and belongs to the technical field of the advanced recycling of the waste heat of the flue gas. The system comprises a contact-type advanced recycling subsystem for the waste heat of the low-temperature flue gas, a heat storage and water quality maintaining purification subsystem and a waste heat output utilization subsystem, wherein the contact-type advanced recycling subsystem for the waste heat of the low-temperature flue gas mainly comprises a water retaining condenser with a multifunctional fin, a water distributor, a contact-type spray tower and a spray pump; the heat storage and water quality maintaining purification subsystem mainly comprises a hot water sedimentation water storage tank, a drainage pipe, an overflow pipe, a circulating pump and an full-automatic water quality measuring control maintainer; and the waste heat output utilization subsystem mainly comprises a plate-type heat exchanger and a water feeding pump. By utilizing the contact-type advanced recycling system, the sensible heat of the flue gas is recovered, and a large amount of water vapor latent heat in liquid and gas fuel flue gas is also recovered; therefore, the contact-type advanced recycling system has the effects of washing and purifying the flue gas and the effects of washing and weakening acid corrosion on equipment and flues.
Owner:TSINGHUA UNIV +1

Omnidirectional vertical-axis wind turbine

A two-stage, omnidirectional vertical axis wind turbine includes a first chamber in which a plurality of angularly spaced horns guide wind from any side of the wind turbine into a chamber to rotate a first rotor. Wind exiting the first rotor passes through a diverter to produce laminar flow. A fan attached to the shaft intercepts this laminar flow to add additional torque to the shaft.
Owner:PEZARIS CONSTANTINE D

Wall cloth for decoration and preparation thereof

The invention relates to wall cloth for decoration. The wall cloth comprises a surface layer made of cloth, wherein one side of the surface layer is provided with a lining layer as well; the lining layer is fixed together with the surface layer; the wall cloth is fixed with a wall through the lining layer; and furthermore, an interlayer can be arranged between the surface layer and the lining layer, or the surface layer can be covered with an antibacterial coating, a flame-retardant coating and a protective coating. The invention also puts forward a method for manufacturing the wall cloth for decoration, which comprises the following steps of 1: spreading out and then laminating the lining layer and the surface layer, 2: fixing the surface layer and the lining layer so as to produce semi-finished wall cloth, 3: washing the produced semi-finished wall cloth and 4: drying the washed wall cloth so as to produce finished wall cloth. The wall cloth for decoration has the advantages that the wall cloth is free from pollution, good in hand feel, resistant to wear and durable, has various patterns and colors, can meet the requirements on individualized pattern design and large-area patterns, is low in cost and more convenient in manufacture and construction, and can be produced on a large scale.
Owner:黄桔英

Iron-base shape memory alloy locked key and its manufacturing and using method

The invention relates to a Fe-based shape memory alloy insert for repairing cracks, splits, damages, holes and other defects of mechanical members, and the manufacturing method and application thereof. The chemical components of the Fe-based shape memory alloy insert (mass percentage) are as follows: Si 3.0-6.0, Mn 4.0-30.0, Cr 0-18.0, Zr 0-5.0, Nb 0-6.0, Ti 0- 5.0, V 0-5.0, C 0.01-0.20, and Fe and impurity in balance. The insert is prepared by smelting in a vacuum induction smelting furnace and stretching at room temperature. The inserts each contracts to apply a tension force on the matrix at two sides of the inserts, thereby closing the crack and split. The invention has the advantages of simple and feasible process, steady action, uniform stress on each insert, and no risk of relaxation and leakage at high temperature.
Owner:DALIAN MARITIME UNIVERSITY

Retractable bimini top device

A retractable bimini top device is disclosed for automated operation and mounted attachment to an existing rooftop member set over the deck of a boat. The inventive device includes a U-shaped support frame having respective side legs adapted to travel longitudinally through a pair of housing tube members disposed in parallel and mounted beneath the rooftop member. The side legs of the U-shaped frame are coaxially fitted within the housing tube members and made to travel together in unison through the respective tube members, each upon a lead screw that is driven by a reversible motor electrically powered and mounted at the end of each tube. A canvas cover attached along its outer end to the transverse portion of the U-shaped frame is stored in a rolled-up state about a spring-loaded roller mounted transversely between the housing tube members so that the canvas cover may be extended in a substantially horizontal manner and retracted as the side legs of the support frame are moved in alternate linear directions through the housing tube members.
Owner:LIPPERT COMPONENTS MFG INC

Device and method for detecting vehicle collision rolling over and automatically calling for help

The invention discloses a device and method for detecting vehicle collision rolling over and automatically calling for help. The device comprises a vehicle-mounted front end, a communication network and a monitoring terminal. The vehicle-mounted front end comprises an MCU, an acceleration sensing unit, a vehicle state monitoring unit, a BD / GPS receiving unit, an input and output module and a GPRS module. The monitoring terminal comprises a plurality of client sides for performing monitoring, and the vehicle-mounted front end is connected with the monitoring terminal through the communication network. The types, the serious degree and the direction of a possible driving fault are preliminarily judged by utilizing variation between the acceleration subjected by a vehicle when the fault happens and the acceleration subjected by the vehicle under the normal condition according to the happening duration, the direction, the degree, the changing history and characteristics of the variation. The problems that a traditional vehicle-mounted device cannot give an alarm remotely, and data collecting and data analyzing cannot be carried out when an accident happens are solved.
Owner:CHENGDU YIMENG HENGXIN TECH

Agriculture environment monitoring control system

The invention discloses an agriculture environment monitoring control system. The system comprises sensing nodes, control nodes, wireless transmission nodes, a wireless central transmission node, a monitoring system server, a display module, a wireless communication module, a mobile terminal device and a network data server. The wireless central node transmits data acquired by each sensing node of the system to the monitoring system server through the wireless transmission nodes and sends the control instruction of the monitoring system server to the corresponding control modes through the wireless transmission nodes. The display module displays the state and the parameter value of each node. The monitoring system server transmits the state and the parameter value of each node to the mobile terminal device through the wireless communication module, receives the control instruction of the mobile terminal device, and sends the control instruction to the corresponding control modes through the wireless transmission nodes. The monitoring system server and the network data server share information of the whole system. According to the invention, the growth environment of crops is monitored and controlled in real time, and a guarantee is provided for scientific plantation.
Owner:黑龙江中联慧通智联网科技股份有限公司

Middle and small span bridge deflection measuring device

The invention discloses a middle and small span bridge deflection measuring device. The device is installed on a main beam to be measured and comprises stand column supporting devices, a rigid guide beam, an electromechanical dial indicator, a dial indicator stand connecting and supporting device and a data acquiring system, wherein the starting point and end point of a bridge span of the main beam to be measured are each provided with one stand column supporting device, each stand column supporting devices is composed of a supporting base, a threaded stand column above the supporting base, a height adjusting nut arranged on the threaded stand column, and a cuboid connecting device above the height adjusting nut, the two ends of the rigid guide beam are connected with the cuboid connecting devices respectively, the outer side of the rigid guide beam is engraved with scale markers, a steel hoop is fixedly installed on the rigid guide beam, the electromechanical dial indicator is connected with the steel hoop through the dial indicator stand connecting and supporting device, the bottom of the dial indicator stand connecting and supporting device maintains contact with the main beam to be measured, and the electromechanical dial indicator is connected with the data acquiring system through a data line. When the device is used for measuring the deflection of middle and small span bridges, accurate positioning of measurement points and quick acquisition of data can be achieved.
Owner:CHANGAN UNIV

Continuous type coating production line

The invention discloses a continuous type coating production line, which comprises spray rooms, a conveying belt, a cooling section, drying rooms, water and gas supply and exhaust systems, a slag removal system and a human and material flow supply platform, wherein the spray rooms, the conveying belt, the cooling section and the drying rooms are arranged in a room, the water and air supply and exhaust systems and the slag removal system are arranged outside the room, the spray rooms are arranged near a partition, and are connected with the water and air supply and exhaust systems outside the partition, the water and air supply and exhaust systems convey waste water and waste gas to the slag removal system, the spray rooms and the drying rooms arranged in the room are connected in series to form a production line, the drying room at the final section is connected with the cooling section, a to-be-processed workpiece which is conveyed on the conveying belt sequentially passes through each spray room, each drying room and the cooling section, and the human and material flow supply platform is in charge of supplying coating for each spray room. The continuous type coating production line has the advantages that the spraying processing is separated form the slag removal treatment, the spray rooms are separated from the air and water supply and exhaust systems by the partition, the cleanliness and coating quality of the spray rooms are improved, the transmitting power consumption is decreased, and the treatment efficiency is improved.
Owner:SICHUAN LONGXIN TECH PACKING

Coalescence principle-based oily-water separating device and method

The present invention provides a coalescence principle-based oily-water separating device and method. The device is in a horizontal type structure, and comprises a barrel and a connector, wherein a raw material liquid inlet is formed in one side of the top of the barrel; an oil phase outlet is formed in the other side, opposite to the raw material liquid inlet, of the barrel; a corrugated plate coalescer and a screen mesh coalescer are arranged in the barrel from one side, in which the raw material liquid inlet is formed, of the barrel in sequence; a first-level drain outlet is formed in the bottom of the barrel, between the corrugated plate coalescer and the screen mesh coalescer; a water phase outlet is formed in one side, opposite to the raw material liquid inlet, of the bottom of the barrel; a second-level drain outlet is formed in the bottom of the barrel, between the screen mesh coalescer and the water phase outlet; the screen mesh coalescer is formed by weaving at least two materials with different surface free energy. In the present invention, by improving the screen mesh coalescer, the coalescence rate of oily-water drops can be increased during a capturing process, and further the oily-water separating effectiveness is improved; at the same time, the device is simple in structure, small in size and low in operation cost.
Owner:SHANGHAI YOUHUA PROCESS INTEGRATED TECH CO LTD

Equipment and method for detaching waste television

ActiveCN103990642ARealize resource reuseTo achieve the purpose of harmless dismantlingSolid waste disposalDirt cleaningLogistics managementLocal congestion
The invention relates to equipment and a method for detaching a waste television. The structure of the equipment comprises a cargo conveying device, a detaching operation platform, a television picture tube screen cone cutting separating machine and a matched industrial dust-collection processing device. The equipment and the method have the advantages that (1) an optimized layout that a complete machine and parts are detached and then intensively conveyed is realized, the logistics efficiency is increased, the labor intensity is reduced, meanwhile, purposes of harmlessly detaching electronic products of various types and standards are achieved, the safety is high, and the comprehensive resource reutilization of various materials of the waste television with a picture tube is further realized; (2) the field operation is ordered, and the potential safety hazards are eliminated; (3) by utilizing a dust hood arranged at each station, the dust generated in the detaching process of the television can be effectively processed; (4) the problems of local congestion, even full-line production stop and the like are avoided; (5) the drifting of fluorescent powder in an adsorption process is reduced; (6) the equipment is convenient to mount and implement and easy to maintain and is low in cost.
Owner:NANJING KAIYAN ELECTRONICS

Computer-based on-site interaction demonstration system

The invention relates to the technical field of touch on-site interaction communication, in particular to an on-site interaction demonstration system. The computer-based on-site interaction demonstration system is characterized by comprising a position detection system, a motion analysis system and a message driving system. The computer-based on-site interaction demonstration system is light in weight, wide in touch range, high in response speed, rich in interaction function, good in universality, flexible and convenient to install, high in reliability and high in maintainability.
Owner:深圳乂文科技有限公司

Scientific instrument work state monitoring method based on control computer

The present invention relates to a scientific instrument working state monitoring method based on control computer. It is composed of three portions of sate data acquisition, state data processing and data telecommunication terminal. Said state data acquisition portion adopts a multimode combined detection method based on mouse keyboard hook, software interface characteristics, journal file and communication interface data flow. It is characterized by utilizing detection for control software and control computer to obtain working state of instrument. The state data processing portion is used for processing state data into unified format. The data telecommunication terminal can be used for sending data into remote monitoring server, and the communication mode of said data telecommunication terminal and control computer has RS-232, USB and TCP / IP, and the telecommunication mode includes ADSL, LAN, WLAN, GPRS and CDMA.
Owner:JILIN UNIV

Bidirectional guardrail cleaning vehicle

A bidirectional guardrail cleaning vehicle comprises a vehicle frame (1) and a guardrail cleaning device. A rotating device is rotatably installed on the vehicle frame (1), the guardrail cleaning device is installed on the rotating device to be able to move to the left side or the right side of the guardrail cleaning vehicle at least by rotation movement of the rotating device so as to perform guardrail cleaning operation. Guardrails on two sides of a road are cleaned through the guardrail cleaning device, and the bidirectional guardrail cleaning vehicle is simple in structure, convenient to install and implement, small in occupied space and compact and reasonable in structure. Simultaneously, due to the fact that one guardrail cleaning device is adopted, the guardrail cleaning vehicle is light in weight and favorable for improvement of vehicle-mounted quality, water tank volume of cleaning water is increased, single operation mileage of the guardrail cleaning vehicle filled with water is prolonged, and working efficiency of the whole vehicle is improved. In addition, the guardrail cleaning vehicle is low in cost and favorable for guardrail mechanical cleaning popularization.
Owner:ZOOMLION ENVIRONMENTAL IND CO LTD

Deep sea current fluctuation energy piezoelectric power generation device

The invention discloses a deep sea current fluctuation energy piezoelectric power generation device. The device comprises a box, sector structures and connecting rods. The box is a cube having an internal cavity, and one end of each connecting rod is fixedly connected on each external surface of the cube and the other end of each connecting rod is connected with each sector structure. Each sectorstructure comprises four piezoelectric power generation parts and a fixing part, and the piezoelectric power generation parts are evenly arranged on the external side surface of the fixing part. Eachpiezoelectric power generation part comprises a plate which is fixedly connected with the external side surface of the fixing part, an S-shaped blade which is fixedly connected with the plate and piezoelectric ceramic sheets which are fit on the upper and lower surfaces of the plate. When the device works, the box, the sector structures and the connecting rods form a multi-degree-of-freedom motionsystem to generate relative motion under excitation of the current fluctuation energy and realize conversion of the mechanical energy to the electric energy through the direct piezoelectric effect ofthe piezoelectric ceramic sheets so that the blank of the self-powered deep sea probe can be filled, the number of the motion modes is high and the energy utilization rate is high.
Owner:SHANGHAI UNIV

Train integrity checking system based on wireless communication, satellite navigation and inertial navigation

The invention provides a train integrity checking system based on wireless communication, satellite navigation and inertial navigation. The train integrity checking system comprises a train head positioning unit and a train tail positioning unit. The train head positioning unit comprises a first automatic train defense system, a first CPU, a first satellite navigation device, a first inertial navigation device and a first wireless communication device. The first CPU is connected with the first automatic train defense system, the first satellite navigation device, the first inertial navigation device and the first wireless communication device in a communication manner. The train tail positioning unit comprises a second automatic train defense system, a second CPU, a second satellite navigation device, a second inertial navigation device and a second wireless communication device. The second CPU is connected with the second automatic train defense system, the second satellite navigation device, the second inertial navigation device and the second wireless communication device in a communication manner. The first satellite navigation device and the second satellite navigation device are used for acquiring the position data of the two ends of a train.
Owner:SIGNAL & COMM RES INST OF CHINA ACAD OF RAILWAY SCI +4

Hand-pulling back rubbing machine

The invention provides a hand-pulling back rubbing machine. The machine comprises a heavy hanging object, a fixed pulley, a fastening nail, a fixed base, a back rubbing frame, a square guide rail, a movable pulley, a round guide rail, a back rubbing towel rack, a tension spring, a stainless steel cover and a traction rope, wherein the square guide rail is matched with the back rubbing frame to achieve height adjustment of the back rubbing frame, the round guide rail is matched with the back rubbing towel rack, the heavy hanging object is matched with the tension spring through tail end pulling, so that reciprocating of the back rubbing towel rack is achieved, and then effective back rubbing is achieved. The machine is easy to install and implement and small in occupied space. Height can be adjusted freely, back rubbing towel can be replaced so that requirements of different crowds can be met, and safety and energy efficiency are improved through hand pulling; the machine has the advantages of being easy to manufacture, low in cost, convenient to use, safe and effectively.
Owner:SHANGHAI UNIV

Alternate current/direct current voltage transducer and detection method

ActiveCN104808047AEasy installation and positioningEasy to replace and installMeasurement using digital techniquesEngineeringVoltage transducers
The invention provides an alternate current / direct current voltage transducer. The alternate current / direct current voltage transducer comprises one or more sensing devices, signal conditioning devices and a central processing unit, the sensing devices are in multi-layer structure that is formed by alternately overlapping of metal plates and insulation plates, the sensing devices comprise at least two metal plates and the insulation plates that are arranged between the two metal plates, and the sensing devices are not in contact with a to-be-detected part and arranged along the extending direction of the to-be-detected part. The signal conditioning devices are connected with the two metal plates of the sensing devices respectively, and conditioning is performed on voltage signals that are obtained by the metal plates. The central processing unit is connected with the signal conditioning devices and signals that are output by the signal conditioning devices are subjected to sampling and data processing and converted to voltage values of the to-be-detected part. The sensing devices are installed at positions in a certain distance around the to-be-detected part, hot-line work can be achieved, mounting is convenient, the to-be-detected part senses that the two metal plates are charged, the voltage values of the to-be-detected part are obtained through detection of potential difference of the two metal plates, the processing method is simple, and the sensing devices are simple in structure, convenient to produce and excellent in performances.
Owner:天津金星奥宇科技有限公司

Mechanical type anti-fall device capable of ascending scaffold

The invention relates to a mechanical anti-falling device used for lifting a scaffold; the anti-falling device is mounted on the scaffold and the corresponding lifting device and is composed of a compression spring, a compression spring plank, a stressed cross rod, a lever, an anti-falling pull rod and a locking mechanism which can be locked on the anti-falling pull rod; the locking mechanism is in insertion connection with the anti-falling pull rod; the compression spring plank is connected with the stressed cross rod supports the lifting device; one end of the compression spring is connected with the compression spring plank; the lever is hinged on the scaffold; one end of the lever is connected wit the locking mechanism and the other end is connected with the free end of the compression spring; when the compression spring pushes one end of the lever to rotate, the other end of the lever has pulling and supporting effect on the locking mechanism. The mechanical anti-falling device used for lifting the scaffold has the advantages that because the locking mechanism in the anti-falling device only moves upwards and is unable to move downwards, the lifting device and the scaffold can be reliably and tightly locked on the anti-falling pull rod; the locking mechanism has simple structure and convenient mounting.
Owner:NANTONG SIJIAN CONSTR GRP

A battery pack structure for an electric vehicle

The invention provides a battery pack structure for an electric vehicle. The battery pack structure for electric vehicle comprises an opening at one end and a box body closed at the other end, a battery module is installed in the box body, the box cover is buckled on the box body and fixedly connected by bolts, positive and negative terminal posts and communication output ports are arranged on the box cover, an electric board is also installed in the box body, and the electric board is fixed on the battery module group and electrically connected with the battery module group; The battery module is provided with a plurality of collection terminals for detecting voltage signals and temperature, and is insulated by a collection cover plate. The collection terminals are connected with the electric appliance plate through a collection wire harness, and the lead-out wire harness on the electric appliance plate is connected with positive and negative terminal posts and communication output ports on the box cover. The invention adopts an integrated design, has strong manufacturability, small occupying space, low probability of misoperation, and greatly improves installation efficiency.
Owner:十堰猛狮新能源科技有限公司

Self-propelled compensating return stroke sweeper for conveying belt

The invention discloses a self-propelled compensating return stroke sweeper for a conveying belt, and the self-propelled compensating return stroke sweeper for the conveying belt comprises a base, a bottom plate, a lower carrier roller seat, a sweeper framework, an upper carrier roller seat, a self-propelled compensating return stroke mechanism and an alarming mechanism, wherein the bottom plate is arranged on the base; one end of the bottom plate is bent upwards to form a limiting stop dog; the lower carrier roller seat is fixed on the bottom plate; the sweeper framework comprises a sweepingrubber eraser, an upper splint, a lower splint and a bolt; the lower splint is bent downwards to form a synchronous shifting stop dog; the upper carrier seat is positioned on the upper splint of the sweeper framework; the self-propelled compensating return stroke mechanism comprises a counterweight, a buffering spring, a hanging steel wire and a fixed pulley; the fixed pulley is fixed on the base; the buffering spring is connected with the counterweight; the other end of the buffering spring is connected with the hanging steel wire; the other end of the hanging steel wire is wound on the fixed pulley and is connected with the fixing part of the upper splint; the alarming mechanism comprises the bottom plate, a fixing bracket connected with the pivot shaft of the bottom plate, a proximity switch fixed on the fixing bracket, and an alarm connected with the proximity switch. The self-propelled compensating return stroke sweeper for the conveying belt has a self-propelled compensation function for the sweeping rubber eraser, the sweeping rubber eraser can be flexibly adjusted when the conveying belt has an uneven surface, and equal pressure is guaranteed to be applied to the surface of the running conveying belt.
Owner:BAOSHAN IRON & STEEL CO LTD

Composite anti-collision cofferdam for bridge bearing platform

The invention provides a composite anti-collision cofferdam for a bridge bearing platform. The composite anti-collision cofferdam comprises a first buffer ring sleeving the bearing platform, a second buffer ring sleeving the first buffer ring and a plurality of elastic pieces arranged between the first buffer ring and the second buffer ring, wherein the first buffer ring comprises a first shell made from a fiber reinforced plastic material and a first energy dissipation material filling the first shell, and the second buffer ring comprises a second shell made from a fiber reinforced plastic material and a second energy dissipation material filling the second shell. By virtue of the composite anti-collision cofferdam for the bridge bearing platform, the weight of a protection device of the bridge bearing platform is greatly lowered, and materials are saved; the composite buffer rings are high in deformation buffering capability, thereby lowering damage to a ship and a pier to the greatest extent when the large-tonnage ship hits the bearing platform, and the elastic pieces are capable of further reducing the impact of the ship; the composite buffer rings are high in corrosion resistance and long in service life; the composite anti-collision cofferdam is simple in structure and convenient to install and implement, and a small quantity of materials are used.
Owner:CHANGZHOU HUIYUN COMPOSITE MATERIALS

Machine tool spindle taper hole repair device and repair method

The invention relates to a machine tool spindle taper hole repair device and a machine tool spindle taper hole repair method, and belongs to the technical field of repairing of a machine tool. In therepairing process, the machine tool is started to rotate a spindle of the machine tool; secondly, a driving motor of a grinding device is started, a grinding wheel rod rotates around its own axis, then the grinding wheel rod is driven to move and feed in the axial direction of the grinding wheel rod through a driving mechanism of a workbench, and the repairing of a spindle taper hole of the machine tool is completed through the above three composite motions. By adopting the repairing mode, the repairing precision is mainly ensured by the horizontal precision of the bottom surface and the taperprecision of the upper inclined surface in the manufacturing and machining process of a base, so that the phenomenon that the spindle taper hole with serious abrasion is used as a reference is avoided, the spindle taper repairing precision effect can be effectively guaranteed to reach the expected requirement, and installation and implementation are convenient.
Owner:成都普什汽车模具有限公司
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