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47results about How to "Crush quickly" patented technology

Car safety hammer with prestressing force

The invention relates to a car safety hammer with a prestressing force. The car safety hammer comprises a safety hammer body, a firing pin and a patting button, wherein front and rear cavities separated by a separation wall and opened outwards are arranged at the two ends of the safety hammer body; a firing pin guide hole is formed in the separation wall; the firing pin is mounted in the firing pin guide hole of the separation wall in a slide fit way; the front part of the firing pin is positioned in the front cavity of the body; the front end of the firing pin is a conical tip; the head of the conical tip retracts into the plane at the open end of the front cavity; the rear part of the firing pin is positioned in the rear cavity of the body and fixedly connected with the patting button; a column-shaped check block as a rear sub-collision block is arranged between the conical tip and the separation wall; and a pressure spring for applying the prestressing force to the body is arranged between the patting button of the rear cavity and the separation wall. According to the car safety hammer, the firing pin can be subjected to field adjustment according to the actual situation, and a pressure is previously applied to glass through the prestressing force for removing the toughness of the glass, so that the car glass can be quickly broken and the adaptability to the field use of the car safety hammer and the breaking reliability of the car glass are improved.
Owner:朱均琦

Lifesaving device by breaking window

The invention discloses a lifesaving device by breaking windows, comprising a case, a bracket assembly, a hammer head for breaking the window and a pair of hooks controlled by a torsional spring, wherein the case wall on the front side end of the case is provided with a through hole for a hammer head to be ejected; the lower section of the inner working chamber in the case is provided with a working slope; the bracket assembly moves back and forth along the axis; the front end of the hammer head is pointed, and the rear end is provided with a bench preventing the hook from sliding down; the middle of the hook and the torsional spring are both fixed on the fixed junction plate of the bracket; the hook shape of the hook support arm causes the hook to clamp the hammer head under the normal condition; the exterior angle on the bottom end of the hook is provided with an arc angle; and the arc angle can cause the front falcula to gradually open and loosen the hammer head when the arc angle slides down if contacting with the working slope of the lower section of the working chamber in the case. The front end of the main spring is sheathed on the rear bench of the hammer head, and the rear end is propped against on the inner wall of the case of the tail part. The lifesaving device by breaking windows can conveniently and quickly break glass windows and doors during rapid-onset disasters, such as fire hazard, earthquake, traffic accidents and the like, helps people to quickly escape from dangerous sites and protects life safety of people.
Owner:BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY

High-efficiency crushing grinder for food processing

The invention discloses a high-efficiency crushing grinder for food processing. The high-efficiency crushing grinder for food processing comprises a crushing box, a crushing mechanism, a conveying mechanism, a smashing box, a smashing mechanism, a rocker mechanism, a grinding mechanism and a grinding table. According to the high-efficiency crushing grinder for food processing, the treated bone isput into the crushing box, a pressing plate and a cutting knife intermittently reciprocate up and down through a cam assembly, a crushing assembly and a cutting assembly are mutually matched, the crushing assembly gradually crushes the bone more conveniently for cutting, meanwhile, the surface structure of the bone is damaged through cutting, even the bone is chopped into one segment, and the boneis more conveniently crushed; and after crushing, the crushed bone residues is conveyed to the smashing box through a discharging mechanism and a conveying mechanism, the crushed bone residues is further smashed through two crushing rollers, the intermittent discharging is realized through the action of a rotating shaft and a partition plate, the smashed bone residues falls to the middle of the grinding area on the grinding table through a second feeding port, and grinding is repeatedly carried out through the rocker mechanism and the grinding mechanism.
Owner:安徽华芯智能科技有限公司

Pipeline cleaning method and device

A method for cleaning pipeline features that a bowl-shaped cleaning part is driven by liquid stream to move in a pipeline, its edge can generate the liquid jet, and its vibration can squeeze the dirt and generate holes in fluid, so removing the dirt from the inner surface of pipeline. Its apparatus is composed of an axle with axle sleeve and the elastic sheets and elastic soft sheets, which are installed to said axle.
Owner:大连玛斯特科技发展有限公司

A deicing machine which performs omni-directional knocking on a high-voltage line based on the magnetic principle

The invention discloses a deicing machine for omni-directionally knocking high-voltage line based on magnetic principle, its structure includes de-icing driving mechanism, Connecting rod, deicing device, High-voltage wires, driving wheels, drive belt, a scraper, a deicing traveling power mechanism penetrating the high-voltage line and movably connecting the high-voltage line and the high-voltage line, in accordance with that prior art, the invention has the advantages that: the deicing device can be quickly installed on the high-voltage line, capable of knocking ice in turn, Percussion is morecomprehensive, with the scraping action of the scraper, can cause the ice to fall completely, so that within a certain range, which can be applied to the high-voltage wires with different ice diameters and different diameters, At that same time, the circular re and the knocking block are made of aluminum alloy, because the aluminum alloy has excellent heat conductivity, is conducive to the thermal intersection between the ice block and the surroundings, and is conducive to the melting of the ice; and the knocking can make the ice block be quickly broken, and the deicing efficiency is high.
Owner:东台市高科技术创业园有限公司

Double-location extracorporeal lithotiptor

InactiveCN101822561ASure it won't affectCrush quicklySurgeryShock waveEngineering
The invention relates to a double-location extracorporeal lithotiptor, in particular to a double-location machine for removing calculi in the human body. A B ultrasonic detection system, an X-ray detection system and a shock wave source are connected with a three-dimensional movement unit through a shock wave source movement unit, the three-dimensional movement unit comprises an up-and-down movement mechanism, a back-and-forth movement mechanism and a left-and-right movement mechanism, and the shock wave source movement unit comprises a C-shaped arm movement mechanism and a shock wave source movement mechanism. The location method is visual, operation is simple, the mechanical structure is fully utilized to carry out multi-directional detection movement, the cost is low, the three-dimensional movement unit comprising the three sets of movement mechanisms can fully carry out the movement adjustment of the two sets of systems, the efficiency is increased, the shock wave source movement mechanism can be utilized to drag a focus to the position of any calculus, location is accurate, convenient and quick, B ultrasonic location and X-ray radioscopic location can be used simultaneously, and thereby radioparent calculi and radiopaque calculi can be detected at the same time.
Owner:北京中科健安医用技术有限公司

Electric glass knapper

The invention discloses an electric glass knapper and belongs to the technical field of fire escape tools. The knapper comprises a handle with a built-in motor in an enclosure, wherein a main shaft driven by a horizontal motor through a transmission mechanism is supported on the upper part of the handle, an impact block with a radial projection is sleeved on the main shaft, and one side of the impact block props against on an energy storage spring; a telescopic collision element extending forwards is supported at a position corresponding to the radial projection on the enclosure, when in use, the back end of the collision element tends to prop against the projection of the impact block, and a helical groove for holding an engaging element and a depression are respectively arranged on the excircle of the main shaft and the inner hole of the impact block; and when the main shaft rotates, the impact block has a rotation prevention state of being periodically pushed by the helical groove through the engaging element in the axial direction to compress the energy storage spring and a rotation state of quickly resetting when the energy storage spring is compressed to the limit position and rotates along with the main shaft. The electric glass knapper disclosed by the invention can be used for quickly breaking the current high strength toughened glass under the impact function of the high-frequency huge collision force so as to open the escape passage.
Owner:肖玲

Passenger car escape device

The invention discloses a passenger car escape device which comprises a fixed seat and a smoke sensor, wherein the fixed seat is arranged on the upper portion of a carriage, and the smoke sensor is arranged in the carriage. The smoke sensor is electrically connected with a controller, a driving mechanism electrically connected with the controller is arranged on the fixed seat and associated with an automatic beating device, the automatic beating device comprises an impact head and a reciprocating drive mechanism, the impact head can reciprocate, and the reciprocating drive mechanism is used for driving the impact head. When smoke is formed in the carriage, the smoke sensor transmits an alarm signal to the controller, the controller controls the driving mechanism to move, so that the automatic beating device leaves the fixed seat to move downwards to a window, the controller controls the automatic beating device to start, the impact head of the automatic beating device reciprocates andrepeatedly beats window glass, and the window glass is automatically crushed. According to the device, when emergent conditions such as fire breakout happen in a passenger car, the window glass automatically and rapidly crushed, so that passengers in the passenger car conveniently and rapidly escape, and safety of the passenger car is improved.
Owner:HUNAN GEELY AUTOMOBILE COMPONENTS +1

Hot galvanizing process

The invention belongs to the technical field of hot galvanizing processes, and particularly relates to a hot galvanizing process. The process comprises the following steps that S1, annealing treatmentis conducted, specifically, an uncoiled to-be-galvanized steel wire is enabled to penetrate into an annealing box, and a temperature of the annealing box is controlled to be in a range of 800 DEG C to 850 DEG C; S2, acid pickling and degreasing are conducted, specifically, an acid pickling and degreasing agent is added into an acid pickling pool, and the steel wire is immersed into the acid pickling pool through a dipping machine for acid pickling and degreasing; S3, steel wire plating assisting is conducted, specifically, the degreased steel wire in S2 is enabled to penetrate into a platingassisting pool, and a plating assisting agent is added into the plating assisting pool; and S4, steel wire galvanization is conducted, specifically, the steel wire subjected to plating assisting in S3is enabled to vertically penetrate into a galvanizing pool from the bottom end surface of the galvanizing pool, wherein a temperature of galvanizing liquid is 440 DEG C to 460 DEG C; and a liquid level stirring device is arranged in the galvanizing pool in a sliding manner and can crush a galvanizing liquid surface film condensed on the upper surface of the galvanizing liquid. According to the process, the situation that a zinc liquid film adheres to the surface of the steel wire subjected to zinc galvanizing when the galvanized steel wire penetrates out of the galvanizing liquid, and then the uniformity of the galvanized steel wire is influenced is avoided.
Owner:唐山市融德冷轧镀锌有限公司

Wheel rotating pneumatic window breaker

The invention discloses a rotary pneumatic window breaker, which is characterized in that it includes a cutting head, a rotating shaft, a handle, a firing sleeve, a spring, an impact plate, an impact column, an impact head, and an energy storage part. There is a cutting blade, the lower end of which is connected to the rotating shaft, and the lower part of the rotating shaft is connected to the handle; the lower end of the cutting head is also connected to a percussion sleeve, and an impact plate is arranged inside the percussion sleeve, and the upper part of the impact plate is fixedly arranged There is an impact column, the upper end of the impact column is fixedly provided with an impact head, the lower part of the impact plate is fixedly connected with the spring, one end of the spring is connected with the lower part of the impact plate, and the other end is connected with a push plate, and the energy storage part is circumferentially symmetrical N energy storage chambers are arranged in the array, and compressed gas storage bottles are placed in the energy storage chambers, and the space between the mouth of the compressed gas storage bottle and the push plate is an air chamber. The beneficial effects of the present invention are: the window breaker of the present invention can break glass quickly, saves time and effort, and is easy to operate.
Owner:王良琴

Intelligent drying system

The invention relates to the technical field of conductive powder processing, in particular to an intelligent drying system. The intelligent drying system comprises a box body, wherein a heating pipe,a first conveying belt and a second conveying belt are arranged in the box body, the heating pipe is fixedly connected with the box body, the feeding end of the second conveying belt is located belowthe discharging end of the first conveying belt, a feeding hopper, a discharging hopper and a separating mechanism are arranged in the box body, the feeding hopper is located above the feeding end ofthe first conveying belt, the discharging hopper is located below the discharging end of the second conveying belt, and the separating mechanism is located below the discharging end of the first conveying belt and located above the feeding end of the second conveying belt. The intelligent drying system has a uniform drying effect.
Owner:深圳市利红金科技有限公司

Organic waste gas treater utilizing attapulgite adsorption and superparamagnetic field magnetolysis

The invention discloses an organic waste gas treater utilizing attapulgite adsorption and superparamagnetic field magnetolysis. The organic waste gas treater comprises a treater body and a fan arranged in the treater body. An air outlet is formed in one side face of the treater body, and an air inflow face is arranged on at least one side face of the treater body. The air inflow face is provided with an attapulgite molecular sieve, modified activated carbon and a superparamagnetic field magnetolysis plate from outside to inside. The attapulgite molecular sieve is provided with three layers ofstructures which sequentially comprise a front-layer fine net, a middle-layer honeycomb flow layer and a rear-layer fine net. The honeycomb flow layer is filled with attapulgite particles and wrappedby the front-layer fine net and the rear-layer fine net. According to the waste gas treater, adsorption filtering of an attapulgite adsorption plate and a modified activated carbon adsorption plate and magnetolysis filtering of the superparamagnetic field magnetolysis plate are combined, the waste gas purification rate is higher, attapulgite serves as an adsorbent and red pyroxene serves as a representing agent in the attapulgite molecular sieve, the hydrophobic modification technology of the attapulgite molecular sieve is simpler and has a better effect, and the selective adsorption capacityof the attapulgite molecular sieve for an organic compound can be improved.
Owner:张诚

Safety hammer device for passenger coach

The invention discloses a safety hammer device for a passenger coach. The safety hammer device comprises a safety hammer base fixed on a luggage rack of the passenger coach, the safety hammer base comprises a long cylinder, a stepped through hole is formed in the long cylinder, a rectangular groove is formed in the outer wall of the long cylinder, a safety hammer is sleeved with the stepped through hole and comprises a hammer head, a middle boss and a long rod, the hammer head is opposite to coach window glass, a rectangular protrusion is formed on the outer wall of the middle boss and inserted in the rectangular groove, the left side end surface of the rectangular protrusion abuts against a driving rod fixed on a chain, the chain is tensioned on two sprockets hinged to the safety hammer base, and the sprocket at the right side is provided with a driving mechanism; the outer wall of the long rod is sleeved with a spring, the two ends of the spring abut against the right side end surface of the middle boss and a cover plate respectively, and the cover plate is fixed to the right end of the long cylinder. According to the safety hammer device, the coach window glass can be automatically and quickly broken, and secondary damage caused by manually breaking the coach window glass is avoided.
Owner:DONGGUAN LIANZHOU INTPROP OPERATION MANAGEMENT CO LTD

Rock-entering drill bit structure

The invention discloses a rock-entering drill bit structure manufactured by utilizing the principle that a rock stratum is easy to break after being cut into single cylinders. The rock-entering drill bit structure is high in rock stratum layer drilling speed and high in efficiency and is used in cooperation with a pile machine impactor. The rock-entering drill bit structure comprises a rock-entering drill bit and an inner drill bit arranged in the rocking-entering drill bit. An air channel is formed in the middle of the inner drill bit. A plurality of blowing channel holes communicated with the lower end of the air channel are formed in the conical head of the lower end of the inner drill bit uniformly. The blowing channel holes are communicated with an internal cavity of the rock-entering drill bit. A plurality of inner drill bit alloy protecting teeth are arranged on the surface of the conical head of the lower end of the inner drill bit. A plurality of rock-entering drill bit alloy protecting teeth are arranged on the inner wall and the lower end head of the rock-entering drill bit. A plurality of reverse muck notches are formed in the lower end head of the rock-entering drill bit uniformly. A plurality of reverse muck air channels communicated with the reverse muck notches are formed in the rock-entering drill bit.
Owner:YANCHENG ZHONGBIAO ENG EQUIP MFG CO LTD

Automotive glass safe blasting breaking device

The invention relates to the technical field of smart cars and discloses an automotive glass safe blasting breaking device. The automotive glass safe blasting breaking device comprises a sealing shell. An impacting rod is arranged at the top end of the sealing shell. The outer surface of the impacting rod is movably sleeved with the inner portion of the top end of the sealing shell. By the adoption of the automotive glass safe blasting breaking device, through arrangement of a linkage mechanism of a start connecting rod, a connecting rod II, a connecting rod I and a movable connecting rod, anair bag I and two air bags II are sequentially broken, an inner cavity of the sealing shell is filled with natural gas which is then ignited, and therefore generated violent impact force drives a sealing mat and the impacting rod to impact and break automobile window glass. Compared with an existing safety hammer, the automotive glass safe blasting breaking device is simple in operating step and high in response speed, a passenger can quickly break the automobile window glass, meanwhile, the whole structure is simple and high in stability, a failure problem cannot happen under the condition that the device is assembled for a long time in the severe environment, and therefore if only a press board is pressed by a person, the automotive glass safe blasting breaking device can be triggered quickly and break the automobile window glass under any circumstance.
Owner:NANJING LISHUI HIGH-TECH VENTURE CAPITAL MANAGEMENT CO LTD

Manual window breaking device

The invention discloses a manual window breaking device which is characterized by comprising a cutting head, a rotary shaft, a handle, a piston cylinder, a piston plate, a piston rod, an adjusting nut, a spring, a striking column and a ram, wherein a cutting blade is arranged at the upper end part of the cutting head; the lower end part of the cutting head is connected with the rotary shaft; the lower part of the rotary shaft is connected with the handle; the lower end part of the cutting head is further connected with the piston cylinder; the piston plate is arranged in the piston cylinder; the striking column is fixedly arranged at the upper part of the piston plate; the ram is fixedly arranged at the upper end of the striking column; the lower part of the piston plate is fixedly connected with the piston rod; the piston rod is divided into two sections; the upper section of the piston rod is arranged in the piston cylinder; the lower section of the piston rod is arranged out of thepiston cylinder; the spring is arranged at the upper section of the piston rod in a sleeving manner; one end of the spring is connected with the lower part of the piston plate; and the adjusting nut is arranged at the other end of the spring. The manual window breaking device has the beneficial effects of rapidly breaking glass into pieces, saving time and labor and being simple to operate.
Owner:王良琴

Medical efficient medicine grinding device

The invention discloses a medical efficient medicine grinding device. The device comprises a box body, and a box door is hinged to one side of the box body. A second motor operates to enable an annular pressing block and a conical pressing block to alternately slide up and down, medicine falling into a circular groove is crushed, meanwhile, a first motor operates to enable a barrel and the circular groove to rotate, crushed powder is screened out through a filter screen, in addition, the medicine below the annular pressing block and the conical pressing block can be effectively ground throughrotation, large-particle medicine can be effectively rotated to the top face through rotation so as to be crushed conveniently, meanwhile, in the up-down sliding process of the annular pressing block,the barrel and the circular groove jolt under the arrangement of a first spring, medicine particles jolt and roll over, large-particle medicine is effectively rotated to the top face, crushed powderis rapidly screened out through the filter screen, and therefore it can be effectively avoided that crushed small particles are accumulated to influence crushing of large materials.
Owner:ZHEJIANG CHINESE MEDICAL UNIVERSITY

Safety hammer

InactiveCN109833569ACrush quicklyIncrease the force pointBuilding rescueReciprocating motionNatural state
The invention discloses a safety hammer. The safety hammer comprises a long-rod-shaped hammer body. An electric striking device is arranged at one end of the hammer body, the other end of the hammer body is in the shape of a circular truncated cone, and protrusions are arranged on the end surface of the circular truncated cone. The electric striking device comprises a power source, a switch, a hammer head, a spring, a cam and a motor. One side of the hammer head is in contact with the cam, and the cam is rotatably connected with the hammer body and driven by the motor. The spring sleeves the hammer head, and the two ends of the spring are correspondingly in contact with the other sides of the hammer body and a baffle block. An opening for the hammer head to penetrate through is arranged atone end of the hammer body. In the natural state, the hammer head is located in the hammer body, and the hammer head can reciprocate relative to the hammer body when the motor is started; and the motor, the power source and the switch are electrically connected through wires. The safety hammer is provided with the electric striking device, after the power switch is pressed, the hammer head can reciprocate relative to the hammer body to assist the force application, and even people with small force can quickly break a piece of window glass.
Owner:何珏栋

Atomization spray disc, spherical silicon boride ceramic powder, and preparation method and application of spherical silicon boride ceramic powder

PendingCN113368517AQuick contactQuick contact smashEvaporation by sprayingCrucibleSpray coating
The invention belongs to the technical field of silicon boride ceramic powder production, and particularly relates to an atomization spray disc, a spherical silicon boride ceramic powder, and a preparation method and application of the spherical silicon boride ceramic powder. The atomization spray disc comprises: a liquid guide pipe; a crucible positioning circular truncated cone, wherein the smaller bottom surface of the crucible positioning circular truncated cone is connected with the inlet of the liquid guide pipe, so that the molten liquid enters the liquid guide pipe along the crucible; and atomized gas inlet pipes located on the two sides of the liquid guide pipe, wherein spraying holes are formed in the ends, close to the liquid guide pipe, of the atomized gas inlet pipes. The atomized gas is suitable for being sprayed out from the spraying holes in the two sides so as to crush the molten liquid to form powder particles. According to the atomization spray disc, the problems of obtaining of silicon boride spherical powder and uniformity of composite material components are solved, so that silicon boride ceramic powder which is high in sphericity degree, good in fluidity and smooth and stable in conveying state is obtained, and the silicon boride ceramic powder can be used as a research and development material of a spraying coating and a boron-doped novel battery silicon negative electrode material.
Owner:盘星新型合金材料(常州)有限公司

Method for extracting chlorogenic acid from tobacco waste by combining high-voltage pulse electric field, microwaves and ultrasonic waves

The invention discloses a method for extracting chlorogenic acid from tobacco waste by combining a high-voltage pulse electric field, microwaves and ultrasonic waves. The method comprises: (1) dryingtobacco waste, crushing, and screening; (2) placing the crushed tobacco waste in a solvent, standing, carrying out microwave treatment, treating with a high-voltage pulse electric field, adjusting thepH value with a hydrochloric acid solution, carrying out ultrasonic wave treatment, carrying out suction filtering, collecting the filtrate, extracting the filtering residue by repeatedly performingthe previous steps, carrying out suction filtering, combining the two filtrates, removing the filtering residue, adding a protection agent to the filtrate, refrigerating in a refrigerator, removing the bottom layer precipitate, carrying out rotary evaporation to recover acetone, concentrating, carrying out centrifugal separation, and taking the supernatant; (3) carrying out wet column loading on amacroporous adsorption resin, adding the supernatant, adsorbing, carrying out elution with an ethanol aqueous solution after the adsorbing, and collecting the eluent; and (4) carrying out rotary evaporation on the prepared eluent to remove the ethanol, concentrating, placing into the refrigerator, freezing, placing into a freeze dryer, and drying to obtain the crude chlorogenic acid. With the method of the present invention, the chlorogenic acid extraction rate is high.
Owner:GUANGDONG BRANCH OF CHINA TOBACCO GENERAL +1

Vehicle-mounted electric window breaker with stable pressure treatment function

InactiveCN107789755ACrush quicklyCrushing automatically worksBuilding rescueSolenoid valveSelf locking
The invention discloses a vehicle-mounted electric window breaker with voltage stabilizing treatment, which is characterized in that it comprises a mounting bracket (1) with an opening, a solenoid valve (6) and a controller all arranged on the mounting bracket (1). (3) an elastic hammer head assembly, and a self-locking assembly arranged on the mounting bracket (1) and used to lock the elastic hammer head assembly. The present invention is not only simple in structure, but also has strong practicability. The present invention can be fixed on the mounting bracket of the vehicle window, and the electromagnetic valve can be controlled by the controller provided, so that the components used to smash the vehicle window glass can be operated under the action of the torsion spring. It automatically pops up and breaks the window glass quickly, thereby ensuring that the invention can automatically and effectively break the window glass, and effectively solves the problems that the existing window breaker is not easy to operate, easy to lose, and has poor window breaking effect.
Owner:成都左右互动科技有限公司

Lifesaving device by breaking window

The invention discloses a lifesaving device by breaking windows, comprising a case, a bracket assembly, a hammer head for breaking the window and a pair of hooks controlled by a torsional spring, wherein the case wall on the front side end of the case is provided with a through hole for a hammer head to be ejected; the lower section of the inner working chamber in the case is provided with a working slope; the bracket assembly moves back and forth along the axis; the front end of the hammer head is pointed, and the rear end is provided with a bench preventing the hook from sliding down; the middle of the hook and the torsional spring are both fixed on the fixed junction plate of the bracket; the hook shape of the hook support arm causes the hook to clamp the hammer head under the normal condition; the exterior angle on the bottom end of the hook is provided with an arc angle; and the arc angle can cause the front falcula to gradually open and loosen the hammer head when the arc angle slides down if contacting with the working slope of the lower section of the working chamber in the case. The front end of the main spring is sheathed on the rear bench of the hammer head, and the rear end is propped against on the inner wall of the case of the tail part. The lifesaving device by breaking windows can conveniently and quickly break glass windows and doors during rapid-onset disasters, such as fire hazard, earthquake, traffic accidents and the like, helps people to quickly escape from dangerous sites and protects life safety of people.
Owner:BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY

Focusing flashlight

The invention relates to a focusing flashlight which comprises a flashlight main body and a light holder assembly. A light source is installed at the left end of the flashlight main body, and the light holder assembly comprises a lens base and a lens installed on the lens base. The focusing flashlight is characterized by further comprising a focusing ring, a connector and a light holder bracket. The right end of the connector is connected with the flashlight main body, while a connecting sleeve is arranged at the left end of the connector in an extending manner. The connecting sleeve is provided with at least one opening which extends along the connecting sleeve axially. The lens base is located in the connecting sleeve, a bump is arranged at the right end of the lens base, and the bump protrudes out of the outer wall of the connecting sleeve. The focusing ring is moveably sleeved on the connector, and the inner wall of the focusing ring is in threaded connection with the bump. The light holder assembly further comprises an attacking head. A scale for indicating the zoom ratio of the flashlight is arranged on the peripheral face of the attacking head. The invention provides a focusing flashlight which can focus quickly and accurately, does not damage the light source in the focusing process, and can better help users for self-defense and escape once emergent events occur.
Owner:NINGBO RONGFA ELECTRICAL APPLIANCE

A method for extracting chlorogenic acid from tobacco waste by combining high-voltage pulsed electric field with microwave and ultrasonic waves

The invention discloses a method for extracting chlorogenic acid in tobacco waste by combining high-voltage pulse electric field with microwave and ultrasonic waves. (1) drying the tobacco waste, pulverizing, and sieving; (2) placing the pulverized tobacco waste in a solvent, standing still, microwave treatment, then high-voltage pulse electric field treatment, then adjusting the pH with hydrochloric acid solution, ultrasonic extraction, Suction filtration, collect the filtrate, repeat the above steps to extract the filter residue once more, suction filtration, combine the two filtrates, discard the filter residue, add protective agent to the filtrate, refrigerate in the refrigerator, remove the bottom sediment, recover acetone by rotary evaporation and concentrate, and centrifuge to obtain supernatant; (3) add the supernatant after the macroporous adsorption resin is wet-packed for adsorption, elute with ethanol aqueous solution after the adsorption is completed, and collect the eluent; (4) rotate the eluent obtained above Evaporate and recover ethanol and concentrate, then freeze in the refrigerator, and then dry in a freeze dryer to obtain crude chlorogenic acid. The method of the invention has a high extraction rate of chlorogenic acid.
Owner:GUANGDONG BRANCH OF CHINA TOBACCO GENERAL +1

A high-efficiency drug grinding device for medical use

The invention discloses a high-efficiency drug grinding device for medical use, which comprises a box body, and a box door is hingedly connected to one side of the box body. Through the operation of the second motor, the annular briquetting block and the conical briquetting block alternately slide up and down to crush the medicine falling into the circular groove. At the same time, the operation of the first motor makes the cylinder and the circular groove rotate to crush the crushed powder. Screened through the filter, and this rotation can effectively grind the drug under the annular briquetting block and the conical briquetting block, and this rotation can also effectively rotate the large particle drug to the top surface for crushing, and at the same time In the process of sliding the annular pressing block up and down, the barrel and the circular groove are bumped under the setting of the first spring, and the drug particles are bumped and rolled, effectively rotating the large particles of the drug to the top surface, and the crushed The powder is quickly screened through the filter, which can effectively avoid the accumulation of small particles after crushing and affect the crushing of large materials.
Owner:ZHEJIANG CHINESE MEDICAL UNIVERSITY

Rock drill bit structure

The invention discloses a rock-entering drill bit structure manufactured by utilizing the principle that a rock stratum is easy to break after being cut into single cylinders. The rock-entering drill bit structure is high in rock stratum layer drilling speed and high in efficiency and is used in cooperation with a pile machine impactor. The rock-entering drill bit structure comprises a rock-entering drill bit and an inner drill bit arranged in the rocking-entering drill bit. An air channel is formed in the middle of the inner drill bit. A plurality of blowing channel holes communicated with the lower end of the air channel are formed in the conical head of the lower end of the inner drill bit uniformly. The blowing channel holes are communicated with an internal cavity of the rock-entering drill bit. A plurality of inner drill bit alloy protecting teeth are arranged on the surface of the conical head of the lower end of the inner drill bit. A plurality of rock-entering drill bit alloy protecting teeth are arranged on the inner wall and the lower end head of the rock-entering drill bit. A plurality of reverse muck notches are formed in the lower end head of the rock-entering drill bit uniformly. A plurality of reverse muck air channels communicated with the reverse muck notches are formed in the rock-entering drill bit.
Owner:YANCHENG ZHONGBIAO ENG EQUIP MFG CO LTD

Electrolytic cell formed crust breaking device

ActiveCN111074302ABroken automaticallyQuick breakEngineeringMechanical engineering
The invention discloses an electrolytic cell formed crust breaking device, and belongs to the technical field of aluminum smelting. The electrolytic cell formed crust breaking device comprises a vehicle body, a lifting mechanism, a base, a position adjusting mechanism and a formed crust crushing mechanism, wherein the position adjusting mechanism comprises a rotating assembly and a transverse material moving assembly, the rotating assembly is arranged at the top of the vehicle body, the formed crust crushing mechanism comprises a formed crust cutting assembly, a formed crust knocking breakingassembly, an adhered material blowing off assembly, a mounting cabinet and a material moving plate, and a reciprocating material moving assembly is arranged at the top of the material moving plate. The electrolytic cell formed crust breaking device has the beneficial effects that cutting and crushing operation on formed crusts can be automatically achieved through the formed crust crushing mechanism, blowing off operation on adhered materials of a cutting wheel and a crust breaking hammer head can be automatically achieved under the action of the adhered material blowing off assembly, and theposition adjusting mechanism can make the crust breaking hammer head be capable of extending into a high temperature area, and manual mounting by workers is not required.
Owner:扬州吉驰信息科技有限公司
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