85results about How to "Not crushed" patented technology

A pellet loader according to the present invention is provided with an ejector portion 1. A gas supply pipe 2 is connected to an injection nozzle 11 of the ejector portion 1 for supplying compressed gas from a compressed gas source 8. An insert pipe 4 is connected to a suction inlet 12 of the ejector portion 1. Pellets are sucked from the suction inlet 40 of the insert pipe 4 into the ejector portion 1. A gas pipe 5 is arranged along the insert pipe 4 and one end of the gas pipe 5 has an opening 50 positioned at the vicinity of the suction inlet 40 of the insert pipe 4 and faced to the suction inlet 40 of the insert pipe 4 for injecting the compressed gas into the insert pipe 4. A transport pipe 3 is connected to an outlet portion 14 of the ejector portion 1.

The invention relates to an ejector pin type integrated circuit testing fixture. The ejector pin type integrated circuit testing fixture consists of a cover main body, clamping hooks, pressure plates, ejector pins, first springs, cover plates, second springs and clamping hook springs, wherein the cover plates, the pressure plates, the first springs and the ejector pins 4 are fastened into an ejector pin mechanism through fastening parts; the ejector pin mechanism is arranged in an inner cavity of the cover main body; the ejector pins are stepped; the first springs are arranged between the cover plates and the ejector pins; the ejector pins are fixedly arranged in the pressure plates under the action of spring force of the first springs; the first springs and the ejector pins can freely move up and down in the inner cavity; through holes are formed in the pressure plates; one end of each ejector pin penetrates through the through hole of the corresponding pressure plate, and is raised from the bottom surface of the corresponding pressure plate; and the pinheads of the ejector pins are raised from the planes of the pressure plates in an untested state. According to the ejector pin type integrated circuit testing fixture, the magnitude of force applied to chips can be controlled through the ejector pin mechanism by regulating the amounts of compression of the springs, and damage to the chips is avoided.

The invention relates to a female head of a quick coupling. The female head comprises a female head shell, wherein a female head valve core and a movable seal sleeve are movably assembled in a female head fluid passage of the female head shell in a guide manner; a female head spring is abutted between the movable seal sleeve and the female head valve core; a sealing section, which is in seal fit with a sealing structure of the seal sleeve to seal the female head fluid passage when being located at a backward limit position, is arranged at the periphery of the female head valve core; a pressure relief section, which is positioned on the rear side of the sealing section for forming a pressure relief passage with the sealing structure of the seal sleeve after the female head valve core moves forwards, is also arranged at the periphery of the female head valve core. The invention provides the female head of the quick coupling capable of realizing automatic pressure relief.

The invention discloses an automatic protection type multipath motormeter point crimping device and method and belongs to the field of mechanical and electronic integration. The problem that due to the manual crimping mode of an existing motormeter point crimping device, a motormeter is damaged easily when pressed is solved. The alarm control signal input end of an alarm circuit is connected with one switch signal output end of a relay set. The other switch signal output end of the relay set is connected with the switch control signal input end of a solenoid valve switch. The control signal input end of the relay set is connected with the control signal output end of a central processing unit. The detection pressure signal output end of a sensor module is connected with the analog signal input end of a transmitter module. The digital signal output end of the transmitter module is connected with the pressure signal input end of the central processing unit. The pressure signal output and control signal input end of the central processing unit is connected with the pressure signal input and control signal output end of a computer. The switch value signal output end of the solenoid valve switch is connected with the switch signal input end of a stroke air cylinder. The automatic protection type multipath motormeter pointer crimping device and method are suitable for crimping of motormeter pointers.

The invention discloses a biological artificial liver supporting system which comprises a cell reactor, a plasma storage tank and a plasma separator. A plasma inlet of the plasma separator is communicated with a blood output pipeline providing blood to arteries of a patient, and a lower-portion outlet of the plasma separator is connected into the plasma storage tank through a pipeline while an upper-portion outlet of the same enables blood to go back into veins of the patients through a blood loop; a bottom plasma outlet of the plasma storage tank is communicated with an inlet of the cell reactor through a plasma incoming pipeline, an outlet of the cell reactor is communicated with a plasma inlet of the plasma storage tank through a plasma return pipeline, and the upper-portion outlet of the plasma storage tank delivers blood back into the veins of the patient through the blood loop. After the biological artificial liver supporting system is used for biological artificial liver treatment for one time, the objective of restoring cell activity can be achieved by adding a fresh culture medium into a carrier and cells in the reactor after cleaning, convenience is brought to being used for treatment of next time, and cost is lowered.

The invention discloses a roadside support method for a tight roof constant-resistance yielding roadway. A support device comprises a plurality of units of a split structure. Each unit comprises two parts of a constant-resistance yielding pad and a filler which are combined for use, wherein the constant-resistance yielding pad is an outer injection type single-body hydraulic supporting pillar which is provided with a short and thick plunger and of a deformation structure and is installed above the filler, and the sum of the highest lifting height of the constant-resistance yielding pad and the height of the filler is equal to the initial height of the roadway. Preset deformation control is carried out over a roof through the constant-resistance characteristic of the constant-resistance yielding pad; the roof is taken out in time when sinking to the compression limit of the constant-resistance yielding pad, and the filler is used for carrying out limiting deformation control over the roof. The roadside support method for the tight roof constant-resistance yielding roadway has the advantages of being good in adaptation deformation capacity, good in roadway forming performance, easy to operate, low in supporting cost, good in roadway safety and the like, and is particularly suitable for roadside support of the roadway with the tight roof in the gob-side entry retaining process.

The invention discloses a multifunctional electric work vehicle which comprises a vehicle body, a crawler belt, a hoisting mechanism, an aerial work mechanism and a power system. The crawler belt is arranged on the lower portion of the vehicle body. The hoisting mechanism is arranged at one end of the vehicle body through a lazy arm rotary rack and a lazy arm fluctuating cylinder. The aerial work mechanism is arranged at the other end of the vehicle body through a platform rotary rack and a platform fluctuating cylinder. The power system is arranged in the vehicle body and provides power for the multifunctional electric work vehicle. The multifunctional electric work vehicle is small in size but strong in function; the hoisting mechanism and the aerial work mechanism are mounted on the vehicle body at the same time, and simultaneous work of hoisting and aerial construction can be achieved; and the construction efficiency is greatly improved. The ground can be protected against crushing damage through the rubber crawler belt, and damage to the work site is reduced.

The invention provides a geological radar antenna self-regulation strutting device, belonging to the tunnel detection equipment technical field, and comprises a bearing portion, a self-regulation portion and a strutting portion. The self-regulation portion is arranged on the bottom of the bearing portion; the strutting portion is arranged on the bottom of the self-regulation portion. An insulation plate is utilized to protect a radar antenna, which can fix and protect the radar antenna, and meanwhile exert no influence on normal work of the radar antenna. A hydraulic rod and a sensor are creatively utilized to automatically provide appropriate pressure for the radar antenna, thereby realizing radar antenna height automatic adjustment in measurement, guaranteeing measurement accuracy, reducing manual work, and guaranteeing measuring personnel safety. A contraction alarm device and a stretching alarm device are provided to protect the radar antenna and the hydraulic rod from being crushed. Six strutting rods in the strutting portion can adjust self heights, allowing the device to be suitable for tunnels of different heights. The geological radar antenna self-regulation strutting device is simple to install and operate, and convenient to use, and can reduce labor costs, and guarantee detection work normal operation.

The invention discloses a small and medium size multifunctional silage maize harvester and a self-loading method. The small and medium size multifunctional silage maize harvester comprises a header, athrowing cylinder, a bundling device, an enveloping device, a lifting device, a telescopic device and a tractor. The lower end of the bundling device is connected with the telescopic device through asliding block, the lifting device is connected with the telescopic device, and the enveloping device is connected with the lifting device; one end of the throwing cylinder is connected with the header, and the other end of the throwing cylinder is arranged on the upper end of a collecting device. The assembly method comprises the steps that the header is connected with a back hang of the tractorthrough bolts, the telescopic device is matched with the front end of the tractor, and the lifting device is connected with the front end of the telescopic device; the bundling device is arranged on the lifting device, the enveloping device is fixed at a bracket of the lifting device, the lower end of the throwing device is connected with the heater and an upper end outlet is arranged on the upperend of a feed inlet of the collector.

The invention provides a riveting device of a relay contact, which mainly consists of a punch, a compression spring, a supporting arm, a rivet pin, a base, a screw, a cylindrical pin, a pressing sleeve and a guide sleeve, wherein the punch is composed of a punch body and a cemented carbide rivet head; and the rivet pin is composed of a rivet pin body and a cemented carbide base rivet. According to the riveting device of the relay contact, a material with high strength and good abrasive resistance is nested on the working parts of the punch and the rivet pin, so that the service life reaches up to 300,000 times; and meanwhile, a part to be riveted is pre-pressed by using the pressing sleeve and the compression spring, thereby ensuring that the contact to be riveted is not crushed, transformed, polluted and the like, and improving the riveting quality and the work efficiency.

The invention provides a brick pile reshaping mechanical device, which comprises a movable door, guiding frames, three pushing plates and four pneumatic cylinders, wherein one end of the movable door is in a hinged connection with a piston end of a first pneumatic cylinder and one end of a first pushing plate, a cylinder body end of the first pneumatic cylinder is connected with the other end of the first pushing plate through a hinge, and in an initial state, a 90-degree included angle is formed between the movable door and the first pushing plate; pistons at one ends of the other three pneumatic cylinders are fixedly connected with connecting blocks of the first to a third pushing plates respectively, and cylinder bodies at the other ends of the three pneumatic cylinders are connected with base holes of corresponding pneumatic cylinder bases respectively; and a first to a third cross beams are in a welding connection with end faces of the first to the third pushing plates through a first to a third supports respectively, the lower portion of each of supports is connected with the upper portion of each of the guiding frames respectively in a welding mode, and tracks fixedly connected with the ground are arranged on the lower portions of the guiding frames. According to the brick pile reshaping mechanical device, bricks can not be crushed in a compaction process, the bricks can be neatly placed so as to be convenient to transship and store, the operation is convenient, and the work efficiency is high.

The invention provides a high-precision pressing device. The device comprises a base, a sliding assembly which is arranged on the base in a sliding mode, a driving assembly which drives the sliding assembly to get close to or away from the lead frame, an elastic pressing assembly which applies elastic pressure to the sliding assembly, a pressing plate assembly which abuts against the lead frame, and a nitrogen protection assembly which sprays nitrogen to the lead frame. The elastic pressing assembly comprises a first fixing base arranged on the base, an adjusting pressing rod connected to thefirst fixing base in a threaded mode, and an elastic piece with one end abutting against the sliding assembly and the other end abutting against the adjusting pressing rod. Through the elastic pressing assembly, the pressure applied to the lead frame by the pressing plate assembly is elastic pressure. The elastic pressure can be adjusted, the elastic pressure has the advantages of buffering effectand small impact force, compared with hard pressure of an air cylinder in the prior art, the lead frame is effectively prevented from being crushed, meanwhile, nitrogen charging protection is carriedout on the lead frame through the nitrogen protection assembly, and the die bonding quality is guaranteed.

The invention relates to a nail making machine for producing diagonal row nails with a small wire diameter, which belongs to the technical field of nail making machines. The nail making machine is diagonal row nail processing equipment which combines a cutting process, a forming process and an outputting process so that the production efficiency and the product quality can be greatly increased, and the wire diameter of the produced diagonal row nails is 0.8 to 1.3 millimeters and is suitable for furniture making and interior finish. The diagonal row nails have the functions of straight row nails and can completely replace the straight row nails, so that the problem of incapability of reinforcing the bottoms of 90-degree internal corners of interior finish and furniture making is solved, and the bottoms of the 90-degree internal corners can be completely reinforced without dead corners.

The invention relates to a numerical control lathe with an automatic feeding and discharging structure. The lathe comprises a lathe body, wherein a lathe clamping jaw is mounted in the lathe body, a supporting platform is mounted at the top of the lathe body, a bar storage mechanism, a Y-axis movement assembly and a receiving mechanism are mounted on the surface of the supporting platform, the Y-axis movement assembly is arranged in the X-axis direction of the bar storage mechanism, the receiving mechanism is arranged in the Y-axis direction of the bar storage mechanism, the receiving mechanism is arranged on the side, close to the lathe clamping jaw, of the bar storage mechanism, and the Y-axis movement assembly is connected with a Z-axis movement assembly in a sliding manner. According to the lathe, an automatic feeding and discharging mechanism is erected at the upper portion of the lathe body for automatic feeding and discharging of lathe shaft parts, a part grabbing mechanism adapts to machining of the shaft parts of different lengths and diameters through the design of an adjustable clamping jaw and a fixing plate, and meanwhile a spring is arranged to prevent the parts frombeing pressed and damaged in the feeding and discharging process.

A low-voltage fireproof cable is disclosed, including jackets, the sheath is sleeved on the outer wall of the protective layer, the protective layer is sleeved on the outer wall of the copper core, Afill layer is filled between the copper core and the protective layer, The copper core comprises a thick copper wire and a copper wire, wherein the copper wire is provided with a plurality of strandsand is wound and adhered on the outer wall of the thick copper wire; the lower end of the sheath is provided with a tangential structure; the tangential structure comprises a cutting knife A and a cutting knife B; and a baffle plate is arranged above both outer ends of the cutting knife A and the cutting knife B. As that fire-retardant paint is arrange, Magnesium oxide powder, protective layer, filling layer, insulating sleeve and tangential wire structure solve the problems of high temperature caused by fire when the cable is in use, melting of the cable causes the normal use of the cable power-off image cable, poor conductor performance in the cable, poor compression resistance when the cable is in use, and difficult peeling of the copper core when the cable is connected.

The invention provides a special fixture for special-shaped waveguide tube abrasive flow finishing processing. The special fixture is characterized by comprising a workpiece external fixture body andan internal profiling core mold (6); the workpiece external fixture body comprises a base (1), a lower limiting plate (2), a supporting ring (3), an upper limiting plate (4) and an upper cover (5). According to the special fixture, a set of reasonable and usable fixture is provided for reducing the surface roughness of a special-shaped waveguide tube channel during abrasive flow finishing processing. The special fixture is reasonable in design, simple in structure and obvious in effect.

The invention provides a detection tool and method for detecting the tooth root circle diameter of an odd gear, and solves the problems that the process of detecting the tooth root circle diameter ofthe odd gear with the small tolerance is tedious and low in detection efficiency. The detection tool comprises a detection body, a dial indicator and two fixed measuring rods, wherein the detection body is provided with a first through hole which is through in the axial direction; the detection body is provided with two second through holes and a third through hole which communicate with the firstthrough hole in the radial direction; an angular bisector of an included angle formed by the center lines of the two second through holes is collinear with the center line of the third through hole,and an included angle between the angular bisector and the center line of the third through hole is 180 degrees; the two fixed measuring rods are installed in the two second through holes respectively, and measuring heads of the fixed measuring rods extend into the first through hole to contact with two adjacent tooth grooves of the gear to be detected; and the dial indicator is installed in the third through hole, and a measuring head of the dial indicator extends into the first through hole to contact with the tooth groove in the tooth axis symmetry position between the two adjacent tooth grooves.

The invention discloses a thermoplastic film traction machine which comprises a traction track and a conveyor belt, wherein the traction track is positioned below the conveyor belt and is parallel to the conveying direction of the conveyor belt; the conveyor belt is connected with a motor driving the belt to operate; sliding strips are fixedly connected to two sides of the traction track; the traction machine further comprises a fixation device used for fixing a thermoplastic film on the traction track; the fixation device comprises a positive pressing plate and side pressing plates hinged with two ends of the positive pressing plate; the positive pressing plate is connected onto the conveyor belt; the length direction of the positive pressing plate is perpendicular to the conveying direction of the conveyor belt; stoppers are connected inside the side pressing plates; grooves in clearance fit with the sliding strips are formed in the stoppers; springs are connected in the grooves; and baffles are connected to free ends of the springs. A pressure is produced to the baffle through the spring during thermoplastic film traction, so that the thermoplastic film is fixed between the baffle and the sliding strip and is automatically released when reaching a turn, and deformation of the thermoplastic film is avoided.

The invention provides a clapboard of a vehicle, belonging to the technical field of vehicles and solving the problems that seats in a cab of the traditional cargo-carrying vehicle are inconvenient to be detached and adjusted, and the space in the vehicle cannot be reasonably distributed according to actual man-carrying and cargo-carrying situations. The clapboard of the vehicle is arranged between a cab and a cargo compartment and comprises an upper clapboard and a lower clapboard, wherein the end part of the upper clapboard and the end part of the lower clapboard are articulated, the upper clapboard and the lower clapboard can mutually rotate around an articulation point, positioning mechanism which can be clamped with a vehicle body are respectively arranged at two sides of the upper clapboard and the lower clapboard, and the relative position between the upper clapboard and the lower clapboard is kept fixed through the positioning mechanisms. According to the clapboard disclosed by the invention, the sizes of the man-carrying and cargo-carrying spaces in the vehicle can be reasonably distributed through adjusting the relative position between the upper clapboard part and the lower clapboard part as well as the installation positions of the clapboards, the adjustment is convenient, and the using performance of the cargo-carrying vehicle is improved.

The invention relates to a crimping fixture. The fixture comprises a fixture base plate and a fixing device.The crimping fixture comprises a base and a flip cover covering the base. An outer floatingplate is arranged in a groove of the base, and a socket of a product connector is arranged upward in a product holding groove of the outer floating plate. A covering surface of the flip cover is provided with a transfer FPC in fit with the socket of the product connector. A product screen body is adsorptively fixed by the fixing device. The socket of the product connector is arranged upward in theproduct holding groove of the outer floating plate. The covering surface of the flip cover is provided with the transfer FPC in fit with the socket of the product connector, and the transfer FPC directly interlocks the product connector. The crimping fixture eliminates a traditional crimping mode for medium conduction signal and allows conduction more convenient. The groove of the base is provided with the outer floating plate and an inner floating plate that provide a buffer for descent of the entire product connector during covering process of the flip cover, so as to ensure that a productis not crushed.

The invention relates to a drilling device, in particular to an accurate drilling device for a watchband of a smart watch. According to the technical purpose to be achieved, the accurate drilling device for the watchband of the smart watch is provided and is accurate in drilling. In order to achieve the above technical purpose, the accurate drilling device for the watchband of the smart watch is provided and comprises a support, a first supporting rod, a second supporting rod, a first sliding rail, a third supporting rod, a second sliding rail, a second sliding block, a first rack, a gear, a limiting rod, a first connecting rod and the like. The inner top of the support is sequentially connected with the second sliding rail, the third supporting rod, the first sliding rail, the second supporting rod and the first supporting rod from left to right in a welding manner. The second sliding block is arranged on the second sliding rail in a sliding manner, the right side of the second sliding block is connected with the first rack in a welding manner, and the bottom of the first rack is connected with the limiting rod through a bolt. The accurate drilling device has the beneficial effects that the structure is simple, operation is easy and convenient, and drilling is accurate; and in addition, the labor intensity is low, and generalizability is high.

The invention discloses a corn thresher, and relates to the field of corn threshing equipment. The corn thresher comprises a rack, a threshing component and a transport component, the corn is sent into the threshing component through the transport component, threshing is completed, and the transport component and the threshing component are arranged on the rack; the threshing component is communicated with the transport component, and the threshing assembly is provided with a discharge hopper; a feed hopper is arranged on the upper portion of the transport component. The problems that in the conventional technology, corn kernel separation is not thorough, corn cobs are smashed through the thresher, and the corn kernels are crushed are solved.

The invention relates to a chemical ignition apparatus and a chemical ignition method based on a low temperature fuel. A purpose of the present invention is to solve the problems of easy icing of theigniting agent and igniting failure caused by the blocking of the supply system in the prior art. The apparatus comprises an isolation unit, which comprises an isolation medium filling conduction pipe, a filling conduction pipe inlet valve and a filling conduction pipe outlet valve, wherein both ends of the isolation medium filling conduction pipe are respectively connected to a fuel supply unit and an igniting unit, the isolation medium filling conduction pipe is connected to an isolating medium container loaded with an isolating medium through the filling conduction pipe inlet valve, the freezing point of the isolating medium is smaller than the boiling point of a low-temperature fuel, the boiling point of the isolating medium is greater than the freezing point of an igniting agent, andthe isolation medium filling conduction pipe is connected to a transparent pipe higher than the isolation medium filling conduction pipe through the filling conduction pipe outlet valve. The inventionfurther provides a chemical ignition method based on a low temperature fuel based on the apparatus, wherein an isolating medium is propelled by a low-temperature fuel so as to propel an igniting agent, such that the igniting agent contacts an oxidant and is spontaneously ignited so as to complete ignition.

The invention provides an elastic packaging structure for a semiconductor chip. The elastic packaging structure comprises an upper electrode, a lower electrode, an annular packaging structure and a plurality of chip subunits, wherein the plurality of chip subunits are arranged between the upper electrode and the lower electrode; the annular packaging structure is arranged on the side edges of theupper electrode and the lower electrode in a sealed mode and forms a closed tube shell structure with the upper electrode and the lower electrode. According to the invention, the packaging cost can beeffectively reduced, the environmental adaptability of the semiconductor chip is improved, the service life of the semiconductor chip is prolonged, the universality is high, the packaging cost of semiconductor chip failure can be reduced to the greatest extent, and the packaging yield of the semiconductor chip is remarkably improved. The tube shell structure is a sealed structure, so the adaptability of the semiconductor chip to the application environment can be greatly improved; the tube shell structure is filled with the silica gel, so the insulation and voltage resistance of the semiconductor chip can be greatly improved, the voltage class of the semiconductor chip is higher, and the reliability of the semiconductor chip is higher.

The invention discloses a clamping tool for machining special-shaped parts of tobacco machinery. The special-shaped part comprises a connecting rod and a connecting plate connected with the connectingrod, the clamping tool for machining the special-shaped part of the tobacco machine comprises a workbench, a pressing assembly, a clamping assembly and a clamping block, the pressing assembly comprises a mounting base, a pressing rod and a limiting block, one end of the pressing rod is used for pressing the connecting rod on the connecting plate, the other end of the pressing rod is in threaded connection with the limiting block, and the limiting block is hinged to the mounting base; and the clamping assembly comprises a base and a clamping block installed on the base, one end of the clampingblock is hinged to the base, the other end of the clamping block abuts against the end of one end of the connecting rod, the clamping block is matched with the workbench to clamp the connecting plateto the workbench, a clamping groove is formed in the clamping block, and the other end of the connecting rod is clamped in the clamping groove. The pressing degree of the pressing rod can be adjustedby screwing the pressing rod, and it is guaranteed that the special-shaped part is pressed on the workbench while it is guaranteed that the special-shaped part is not damaged by pressing of the pressing rod.

The invention discloses a protection device for a new energy electric vehicle charging pile. The protection device comprises a base, a bottom plate is fixedly connected to the upper end of the base, avertical plate is fixedly connected to the upper end of the bottom plate, a top plate is fixedly connected to the upper end of the vertical plate, a lever transmission part is arranged between the bottom plate and the base, a trigger pedal is arranged on one side of the upper end of the bottom plate, and a cavity is formed in the vertical plate; an open groove is formed in the side, away from thetrigger pedal, of the bottom plate, a fixing frame is fixedly connected to the side wall of the vertical plate, a rotating shaft is rotatably connected to the lower end of the fixing frame, a drivinggear is fixedly connected to the rotating shaft and arranged in the open groove, and a rack transmission part used for driving the driving gear is arranged in the cavity. The rack transmission part and the trigger pedal are connected to the two sides of the lever transmission part respectively, and the top plate is rotationally connected with a rain baffle. By arranging the pedal, through transmission of the transmission part, the rain baffle can automatically fall down to achieve the rain shielding function during operation of a worker, and the situation that snow is accumulated on the top plate can be effectively avoided.

The invention discloses a blade profile clamping device for machining of a precision forging blade of an aero-engine. The blade profile clamping device comprises a fixed clamping base; one side of thefixed clamping base is connected with a moving clamping base, the fixed clamping base is movably connected with a first fixed compaction mechanism, and a second fixed compaction mechanism is movablyconnected with the moving clamping base; a first blade profile fixed supporting block and a second blade profile fixed supporting block are arranged on the fixed clamping base, and a first blade profile type floating compaction mechanism for compressing the blade is connected with the first fixed compaction mechanism; and a first blade profile moving supporting block and a second blade profile moving supporting block are arranged on the moving clamping base, a second blade profile floating compaction mechanism for compressing the blade is connected to the second fixed compaction mechanism, anda flange plate positioning block for positioning the edge plate end of the blade and an air inlet edge positioning block for positioning the air inlet edge of the blade are further arranged on the fixed clamping base. The blade profile clamping device satisfies the requirements of being low in clamping deformation, high in clamping rigidity and being without pressing and damaging the blade.