165results about How to "Implement buffering" patented technology

The invention discloses an oil return buffer device and an impact test system with the same. The oil return buffer device comprises a cylinder barrel assembly, a buffer piston, an impact piston, an overflow detection loop, an oil charge detection loop and an air charge detection loop. A first inner barrel cavity, a damping hole and a buffering cavity are formed in the cylinder barrel assembly, and the buffering cavity is connected with an oil filling detection loop. The buffer piston is arranged in the first inner cylinder cavity so as to divide the first inner cylinder cavity into a first side cavity and a second side cavity. The buffer piston is provided with a second inner cylinder cavity, the impact piston is arranged in the second inner cylinder cavity to divide the second inner cylinder cavity into an oil return cavity and an air cavity, the oil return cavity communicates with the first side cavity, and the air cavity communicates with the inflation detection loop. The device has the obvious impact stage and the buffering stage, the instant impact pressure is rapidly reduced in the impact stage, the deceleration back pressure is obtained through oil pressure loss in the buffering stage, the buffering effect is obvious and easy to control, and the device is suitable for the field of high-speed large-flow oil return buffering of an impact hydraulic system.

The invention relates to the technical field of conductivity detection, in particular to a connector conductive terminal electroplating detection system. Comprising an unwinding device and a winding device; the unwinding device and the winding device are respectively used for unwinding and winding a material belt with a conductive terminal; a detection device is arranged between the unwinding device and the winding device; the detection device comprises a base; an auxiliary motor is arranged at the rear position of the base; an output shaft of the auxiliary motor is fixedly connected with a detection roller forwards; the detection roller is located right above the base, and the axial direction of the detection roller is consistent with the front-back direction of the base; a plurality of detection pieces are uniformly arranged on the outer wall of the detection roller in the circumferential direction; according to the invention, the plurality of detection pieces on the outer wall are driven by the detection roller to be in contact with the conductive terminals on the material belt in the conveying process in sequence, so that the conductivity detection of the conductive terminals of the connector is completed without pause, and the electroplating detection efficiency of the conductive terminals of the connector is improved.

The utility model discloses a cutting device for a photovoltaic module, which is applied to the technical field of photovoltaic production and is characterized in that a processing table, a mesh plate, a positioning component and a pressing component are arranged, a photovoltaic module power generation panel needing to be cut and processed is arranged at the mesh plate at the top of the processing table, and two sides of the power generation panel are positioned inside a C-shaped frame; a first electric push rod located on the outer side of a fixing block is synchronously started to push a C-shaped frame to clamp a power generation plate, and in the process, a buffer plate located in the C-shaped frame makes contact with the outer side of the power generation plate and then moves inwards along with the C-shaped frame; and springs and telescopic pipes of telescopic spring columns on the outer sides of the buffer plates are extruded by the power generation plates to retract, so that the telescopic spring columns are matched with the buffer plates to buffer the power generation plates, meanwhile, the first electric push rods stop pushing the C-shaped frames, and the power generation plates are buffered when the power generation plates are limited and clamped.

The utility model relates to an unmanned aerial vehicle undercarriage for crane detection, which comprises a mounting seat, two moving blocks, a moving block buffer mechanism, a retractable mechanism, a support leg and a support leg buffer mechanism, a mounting groove is arranged on one side of the mounting seat close to the ground, the two ends of the mounting groove are respectively connected with the moving blocks in a sliding manner, and the retractable mechanism is connected with the support leg buffer mechanism. A moving block buffer mechanism is mounted on one side, close to each other, of the two moving blocks; mounting plates are arranged on the two sides, in the extending direction of the mounting base, of the moving block, the folding and unfolding mechanisms are mounted on the mounting plates and connected with the supporting legs, and the supporting leg buffering mechanisms are mounted in the supporting legs. Compared with the prior art, the unmanned aerial vehicle landing gear supporting leg has the advantages that the moving block buffering mechanism, the folding and unfolding mechanism and the supporting leg buffering mechanism are matched with other parts, folding and unfolding of the unmanned aerial vehicle landing gear supporting leg and buffering during landing are achieved, impact force can be better absorbed, and the problem that the unmanned aerial vehicle landing gear supporting leg is prone to being damaged due to the fact that the connecting position is weak is solved; and the limiting blocks are matched with the limiting grooves, so that the heights of the supporting legs of the unmanned aerial vehicle are the same.

The utility model discloses a support stabilizing mechanism of an air volume meter, which relates to the technical field of support stabilizing of air volume meters and comprises a supporting foot plate, three fixing plates are fixedly connected to the outer side of the supporting foot plate at equal intervals, arc-shaped reinforcing plates are fixedly connected among the fixing plates, each arc-shaped reinforcing plate is divided into two sections, and the arc-shaped reinforcing plates are fixedly connected among the fixing plates. Universal wheels are mounted on the lower sides of one ends of the fixing plates; fixing cylinders are fixedly connected to the upper ends of the supporting foot plates; the supporting rod and the lengthened sleeve rod are connected in a sleeved mode, the height of the supporting plate can be conveniently adjusted according to the measured height, the use convenience of the support of the air volume meter is improved, and then the function of adjusting the height of the support of the air volume meter is achieved; the support stabilizing mechanism is simple in structure and convenient to buffer in the weight supporting process, the measurement efficiency of the support of the air volume meter is improved, then the function of preventing the influence of gravity factors is achieved, and finally the phenomenon that the support stabilizing mechanism of the air volume meter is stressed or broken is avoided.

The invention belongs to the technical field of printers, and provides a wire buffering device and method for a 3D printer, and the buffering device comprises a shell, a buffering module and a detection module; the buffer module comprises a buffer cavity, a first guide surface and a second guide surface; the buffer cavity is formed in the shell, the first guide surface and the second guide surface are oppositely arranged in the buffer cavity, and the curvature of the second guide surface is larger than that of the first guide surface; a feeding hole and a discharging hole are formed in the shell; the detection module comprises a swing part and an inductor; one end of the swing part is rotationally connected with the shell, and the other end of the swing part is a sensing end; the inductor is used for detecting the position of the induction end; and an elastic element is arranged between the swinging piece and the shell. According to the device, the buffering and adjusting effects can be achieved between conveying devices with different conveying efficiencies, stable and synchronous conveying of wires is guaranteed, and the stability and reliability of 3D printing are improved advantageously.

The utility model discloses a chemical liquid transportation anti-surge storage tank which comprises a tank body and further comprises an anti-surge assembly, the anti-surge assembly comprises a guide rod fixedly installed in the tank body, a grating plate is installed on the surface of the guide rod in a sliding mode, a communicating hole is formed in the bottom of the grating plate, and a vent hole is formed in the top of the grating plate. A spring is mounted on the surface of the guide rod between the grating plates in a sleeving manner, the spring is connected with the grating plates on the two sides, and a reinforcing cover is arranged on one side of the tank body. According to the utility model, the anti-surge assembly is arranged, the inner cavity of the whole tank body is divided into different sections by the anti-surge assembly, and a plurality of guide rods are arranged. A plurality of grating plates are installed on the surface of the guide rod in a sliding mode, the grating plates divide chemical liquid into different intervals, and therefore the surge amplitude is reduced. Surges are inevitable, so that we need to limit the surges in a controllable range, and the communicating holes in the bottom of the grating plate can realize the exchange of liquids, so that the liquids in the tank body are prevented from being isolated from one another.

A ship buffering fender device is characterized in that a sunken buffering groove is formed in a ship, a buffering box is arranged in the buffering groove, a longitudinal buffering mechanism and a lateral buffering mechanism are installed between the buffering box and the different side faces of the buffering groove respectively, and a fixed rubber fender is embedded into the outer side of the buffering box; and each buffering mechanism is used for absorbing impact force to realize buffering during jacking operation. According to the ship buffering fender device, the overall impact resistance and energy absorption capacity of a ship bow fender can be effectively improved through the longitudinal buffering mechanism, and the possibility that a rubber fender is damaged due to excessive deformation is greatly reduced; when heaving is generated due to the influence of waves, the lateral buffering mechanisms on the two sides can reduce the relative movement between the buffering box and the offshore facility, and therefore the stability of the ship is improved, and the safety of personnel embarkation is improved.

The utility model discloses a ceramic wheel valve which comprises a valve body, a round valve element assembly is installed in the middle of a cavity of the valve body, and a valve rod used for being in matched transmission with the round valve element assembly is arranged in the middle of the valve body. The circular valve element assembly comprises a clamping spring, a bevel tooth bushing and a valve element, the bevel tooth bushing is installed on the periphery of the valve element, and the clamping spring is arranged between the bevel tooth bushing and the valve element in a sleeved mode. And the bevel tooth bushing is matched with a bevel gear at the tail end of the valve rod to form gear vertical transmission. A plurality of first flow holes are evenly distributed in the center of the valve element. A positioning column is installed in the center of the right valve seat in the axis direction and penetrates into a center hole of the valve element. A plurality of second flow holes with the same size as the first flow holes are evenly distributed in the end face of the end, close to the round valve element assembly, of the right valve seat. Angular travel transmission is achieved through transmission of the tail end of the valve rod and the special-shaped bevel gear on the outer contour of the round valve element assembly, the size of the valve is reduced, and installation flexibility is improved. Through the design that the valve element and the right valve seat correspond to the flow holes, buffering of media is achieved.

The present invention discloses a mobile phone charger with a charging protection function, which relates to the technical field of chargers, and includes a charger body, a metal plug, a jack, and a power conversion cavity. The right side of the metal plug is fixedly connected to the left side of the charger body, and the right side of the charger body is provided with a jack. The power conversion cavity is arranged on the inner wall of the charger body, and the left side of the power conversion cavity is electrically connected to the right side of the metal plug. The present invention adopts the cooperation of a heat dissipation plate and a heat conduction block, so that the heat emitted by the power conversion cavity can be transferred to the inside of the angular guide block through the heat conduction block. At the same time, with the assistance of the heat dissipation zone, the surface temperature of the heat dispersion can be timely dissipated outward, thereby reducing the excessively high surface temperature of the charger body during a long period of power supply, and avoiding the internal components being affected by the temperature and shortening their service life.

The application relates to the technical field of teaching instruments, and discloses an interactive teaching instrument and a use method thereof, which comprise a supporting assembly, the top of the supporting assembly is provided with a fixing assembly, the top of the fixing assembly is provided with an adjusting assembly, one side of the adjusting assembly is provided with a display assembly, the display assembly is provided with a light-shielding assembly, the supporting assembly comprises a base, pressure sensors are arranged at the lower ends of the four corners of the base, the fixing assembly comprises a fixing plate, the adjusting assembly comprises a rotating motor arranged at the bottom of the fixing plate, the application can flexibly adjust the angle position, effectively reduce the reflection, avoid affecting the teaching effect, actively remove dust from the display component, improve the display definition, timely intervene when the whole is in an unstable state, improve the stability of the whole, effectively protect the display component when the whole is tilted, and prevent the display component from being damaged.

The present invention relates to the field of solenoid valves, and specifically discloses an adjustable explosion-proof solenoid valve, including a connecting pipe, a valve seat is arranged in the connecting pipe, an electromagnetic component is arranged on the connecting pipe, a control component matched with the valve seat is arranged in the connecting pipe, and the electromagnetic component drives the control component to move so that the control component adjusts the opening of the valve seat. When the gas burns and explodes, the present invention can buffer the shock wave, reduce the impact force of the shock wave, form a sealed protective environment after the shock wave, and achieve a blocking effect on the gas. At the same time, the gas can be decompressed, and the device can be protected to avoid explosions in the connecting pipe due to the sealed high-pressure environment, improve the impact resistance of the device, and effectively avoid the phenomenon of chain explosions caused by the burning gas accompanying the shock wave, thereby improving the protection ability of the device and increasing the service life of the device.

The present invention discloses a primary and secondary integrated pole-mounted circuit breaker, which comprises: a housing, a plurality of arc extinguishing chambers, a closing and opening mechanism, an opening mechanism, a deceleration assembly and an operating mechanism; the deceleration assembly comprises a centrifugal member driven to rotate by a slide, the centrifugal member has a centrifugal chamber, a lock core and a plurality of circumferentially evenly distributed friction members are arranged in the centrifugal chamber, the lock core can rotate relative to the centrifugal chamber and has a push rod with one end extending out of the centrifugal chamber, a plurality of friction members abut against the surface of the lock core and are displaced radially away from the lock core when the centrifugal member rotates; wherein the push rod always has a movement tendency to displace toward one side of a friction disk, and a release channel for the push rod to penetrate and slide is provided on the friction disk. The present invention quickly limits the movement of the slide, converts the kinetic energy of the lateral movement of the slide into the internal energy generated by the friction inside the centrifugal chamber, and reduces the impact of the slide on the components inside the housing.

The utility model relates to the technical field of material receiving mechanisms, and discloses a material receiving mechanism for a spring coiling machine, which comprises a material receiving frame body, one side of the top end of the material receiving frame body is provided with a feed port, the interior of the material receiving frame body is slidably connected with a collecting frame, one end of the collecting frame is fixedly provided with a first handle, and one side of the inner wall of the material receiving frame body is provided with a sliding groove. A baffle is fixedly arranged in the material collecting frame body, a buffering assembly is installed on the upper portion in the material collecting frame body, and a storage assembly is installed on the lower portion in the material collecting frame body. According to the device, the first gear and the toothed plate are matched to drive the buffer plate to reciprocate, so that the springs are buffered, the springs are prevented from deforming due to high-altitude falling and collision with other springs, the elastic screen is impacted to generate vibration, metal scraps on the elastic screen are vibrated, and the metal scraps on the elastic screen are separated from the metal scraps. And when the spring is taken subsequently, the metal chippings cannot be adhered to the spring, so that the chippings are convenient to clean.

The application provides a surveying and mapping instrument positioning device for engineering surveying and mapping, and relates to the technical field of engineering surveying and mapping equipment, which comprises a support seat and further comprises an expansion adjusting assembly, wherein the expansion adjusting assembly comprises a first driving motor mounted at the bottom of the support seat, in the application, the gear engages to drive two centrally symmetrical racks to move reversely, the moving seat is synchronously moved with the racks through sliding cooperation with the linear guide rails, flexible adjustment of the distance between the support rods is realized, the rotating seat can rotate around the support frame, the angle is adjusted through the arc-shaped guide rails, and the positioning is completed by tightening the first knob bolt after the rotating seat is in place, in the multistage telescopic assembly, the support rods, telescopic rods and fine adjustment rods can slide along the length direction, are stretched to a suitable height as required, and are locked and fixed through corresponding knob bolts, the support rods on the support seat and the rotating seat are matched, telescopic adjustment and angle adjustment are combined, quick and flexible adjustment of the support span, the angle and the height is realized, and stable placement of the surveying and mapping instrument under various terrains is ensured.

The present invention belongs to the technical field of fresh refrigerated transportation, and specifically is a breathable and waterproof fresh refrigerated transportation box, comprising an inner box body, an outer box body and a breathable component; two sets of breathable components are arranged, one set is arranged at the top of the inner box body, and the other set is arranged at the bottom of the inner box body; the breathable component at the top of the inner box body is in a ventilated state, and the breathable component at the bottom of the inner box body is in a closed state; the present invention arranges two sets of breathable components, specifically, arranges the breathable component at the top of the inner box body in a ventilated state, and the breathable component at the bottom of the inner box body in a closed state, thereby enabling water for preservation to be added to the inner box body, thereby ensuring that the fresh products in the inner box body are placed in a ventilated and moisturizing preservation environment for transportation; at the same time, it can ensure that the water in the transport box will not spill in a bumpy carriage or during transportation, thereby ensuring that the environment will not be polluted during transportation.

The invention is suitable for the technical field of hydraulic cylinder testing, and provides a hydraulic cylinder simulation inspection device which comprises an inspection frame and a to-be-tested hydraulic cylinder. The inspection frame comprises a top cover and a base; guide pipes are symmetrically fixed on the surface of the lifting plate; a counterweight part is arranged between the two guide pipes in a sliding manner; supporting springs are fixed to the surfaces of the partition plates. A sliding ring in sliding fit with the inner wall of the guide pipe is fixed to the other end of the supporting spring. A lifting assembly is slidably arranged in the sliding groove. The lifting assemblies are arranged above the corresponding sliding rings; the lifting assembly comprises a lifting part arranged in the sliding groove in a sliding mode. A sliding part matched with the guide plate is arranged in the lifting part in a sliding manner; according to the device, the multiple sets of lifting assemblies are evenly arranged in the guide pipe from top to bottom, in the process that the balance weight plate descends along the guide pipe, slow descending of the balance weight plate is achieved through the buffering effect of the multiple sets of lifting assemblies, and the situation that a hydraulic cylinder is damaged due to the fact that the freely-falling balance weight plate descends at the high speed is avoided.

The invention relates to a track structure with high stability in tunnel construction, in particular to a track structure with high stability in tunnel construction. The problems that in shield or TBM construction in the prior art, due to the fact that the ground condition is complex, transferring slagging-off, slag cleaning or excavating equipment is not smooth in advancing, and the equipment stability degree is low are solved. The device comprises a fixed support installed on a vehicle chassis, the section of the fixed support is in a C shape, the arc-shaped section faces outwards to be clamped on the vehicle chassis, a supporting frame and a rotating frame are installed on the outer arc face of the fixed support, a roller is arranged at the end of the supporting frame, one end of the rotating frame is connected with the supporting frame in a hinged mode, and the other end of the rotating frame is connected with the supporting frame in a hinged mode. The other end is hinged with the fixed bracket; a hydraulic telescopic rod is arranged on the rotating frame, and a protection baffle is arranged in front of the rolling wheels. The device has the advantages that rapid adaptation switching between the rail terrain and the trackless terrain in the tunnel is achieved, all functional vehicles can further stably pass through the tunnel, meanwhile, the standard part type design is convenient to adapt to various types of vehicles in the tunnel, and the adaptability is wide.

The utility model discloses a stamping device for mechanical part processing, which relates to the technical field of mechanical part processing, and comprises a bottom plate, two support columns are connected onto the bottom plate, a same top plate is connected onto the two support columns, a stamping component is arranged in the top plate, a stamping head is connected below the stamping component, and a pushing device is slidably connected into the support columns. The front face of the bottom plate is connected with a collecting device, the pushing device comprises two sliding rods, and the back faces of the two sliding rods are connected with the same connecting plate. The stamping head drives a connecting block, a rotating shaft and a rotating ring to move, the rotating ring drives a connecting rod and a fixing block to move, at the moment, a connecting box loses thrust, a pull-back spring applies elastic force to a limiting plate, the elastic force drives the limiting plate and a sliding rod to move, the sliding rod drives a connecting plate and a push plate to move, and parts on a bottom plate are automatically pushed out; in the whole process, operators do not need to stretch hands into a stamping area, and potential risk factors are effectively reduced.

The invention provides a subway train damping device based on piezoelectric effect vibration energy storage, and relates to the technical field of subway train damping, an elastic connecting piece is composed of a bracket, a limiting rod and a first spring, and a wheel carrier and a wheel are elastically connected; shock absorption is conducted between the wheel carrier and a train through the piezoelectric modules, the air bag assemblies and the air bag buffering pieces, so that shock between the train and the wheels is reduced through the shock absorption mechanisms, meanwhile, the buffering sleeves installed at the two ends of the wheel carrier are matched with the metal rods, and the purpose of shock absorption between the wheel carrier and the train is achieved; the magnet columns fixed in the grooves formed in the lower ends of the metal rods are located in the two sets of reversely-arranged copper coils, and the copper coils are installed in the cavities of the buffer sleeves, so that when the magnet columns move in the copper coils, due to the fact that magnetic substances are subjected to resistance in the powered-on spiral coils, the magnetic substances are prevented from falling off; and the metal rods and the buffering sleeves are matched to achieve buffering of the side supporting plates, damping of the train is achieved in an active damping mode, and the damping effect of the train is improved.

The utility model relates to the technical field of automobile steering devices, in particular to a high-durability ball head of an automobile steering system, which comprises a ball seat, and a placing groove and a rotating groove with upward openings are sequentially and concentrically arranged at the top of the ball seat from inside to outside; a placing seat is arranged in the placing groove, a ball groove is formed in the top of the placing seat, the placing seat and the placing groove are connected through a buffer device, a ball head is placed in the ball groove, the top end of the ball head is connected with a ball rod through a ball neck, and a connecting hole is formed in the top of the ball rod; a protective rubber sleeve is coaxially fixed on the outer wall of the ball rod; the bottom of the protective rubber sleeve is inserted into the rotating groove and is in rotating fit with the rotating groove; a straight pull rod is arranged on one side of the ball seat, and the ball seat and the straight pull rod are integrally formed. The protection effect of the utility model can be effectively ensured.

The utility model relates to the field of doors and windows, in particular to a sound insulation and noise reduction type aluminum alloy door and window. The technical problems that an aluminum alloy door and window is buffered through a sponge pad or a rubber pad, noise generated during collision is reduced, the sponge pad or the rubber pad can block the aluminum alloy door and window, the aluminum alloy door and window is difficult to be closed thoroughly, and the sound insulation effect is poor are solved; according to the technical scheme, the sound insulation and noise reduction type aluminum alloy door and window comprises a damping assembly and a buffering assembly; compared with the prior art that a sponge mat or a rubber mat is used for buffering the aluminum alloy door and window, noise generated during collision is reduced, the sponge mat or the rubber mat can enable the aluminum alloy door and window to be difficult to be closed thoroughly, and therefore the sound insulation effect is poor, the aluminum alloy door and window buffers the aluminum alloy door and window through air pressure, and the noise is reduced. The noise generated during collision is reduced, and the aluminum alloy door and window can be completely stored without blocking the aluminum alloy door and window, so that the aluminum alloy door and window can be completely closed, and the sound insulation effect is better.

The invention discloses a material conveying mechanism, and relates to the technical field of dispensing and conveying, the material conveying mechanism comprises a conveying assembly, the right side of the conveying assembly is fixedly connected with an adjusting assembly, the lower end of the middle of the conveying assembly is provided with a righting device, the upper end of the middle of the conveying assembly is provided with a placing assembly, and the left side of the conveying assembly is fixedly connected with a lifting device. When a pharmacist places dispensed medicine on a tray and conveys the dispensed medicine to a medicine taking window through a third conveying belt, medicine conveying is facilitated, the medicine does not need to continuously move back and forth between a medicine storage position and the medicine taking window, the working intensity of the pharmacist is reduced, and the working efficiency of the pharmacist is improved; a pharmacist can conveniently place medicines, the placing convenience of the conveying device is improved, a moving frame slides on the top of a sliding rail, pressing rollers are made to move in opposite directions, vacant trays are limited and corrected, and the situation that the vacant trays are inclined, and consequently the trays slide off from a first conveying belt is avoided.

The invention relates to the technical field of valves, and discloses a wet dust removal system water seal check valve inner water seal anti-breakdown device which comprises a valve body, the valve body is communicated with a water supplementing pipe and a water draining pipe, an air inlet pipe is fixedly installed on the valve body and penetrates through the side wall of the valve body, and the valve body is communicated with an air outlet pipe corresponding to the air outlet end of the air inlet pipe. A first support located at the end of the air outlet pipe is fixedly installed in the valve body, a first telescopic rod is fixedly installed on the first support, and a cover used for sealing the end of the air inlet pipe is fixedly installed at the end, away from the first support, of the first telescopic rod. A partition plate is fixedly installed in the valve body, and a protective cylinder coaxial with the cover is fixedly installed on the partition plate. The liquid seal valve has the beneficial effects that after the lower cavity in the valve body is filled with purified water, the purified water cannot flow in the valve body, so that the liquid level cannot incline or generate agitation when the valve body vibrates and inclines, it is guaranteed that the cover is located below the liquid level all the time, and the stability of liquid seal is guaranteed.

The invention discloses a supporting device for cutter machining of a numerical control grinding machine, which comprises a base for fixing and supporting, a plurality of supporting rods, a plurality of supporting rods and a plurality of supporting rods, and is characterized in that the base is fixedly mounted on a workpiece clamping station of the grinding machine; the clamping and fixing mechanism is arranged outside the base and used for clamping and fixing a workpiece for grinding, the clamping and fixing mechanism comprises a disc, fixing plates are fixedly connected to the outer surface of the disc at equal angles, sliding rods are slidably connected to bodies of the fixing plates in a penetrating mode, and clamping plates are arranged at one ends of the sliding rods; the sliding rod drives the clamping plate to move centripetally so as to clamp and fix a workpiece. The full-drive assembly is arranged on the body of the disc and used for driving all the sliding rods to move synchronously, and the problems that when an existing numerical control grinding machine tool machining supporting device is used, due to the fact that a workpiece is prone to dislocation in the clamping process, the machining precision of the workpiece is prone to being reduced in the machining process are solved.

The utility model discloses an automatic leveling instrument assembling device which comprises a workbench, first baffles are fixedly connected to the front side and the rear side of the top of the workbench, a first connecting rod is fixedly connected to the left side of the top of the workbench, a plurality of first connecting plates are fixedly connected to the right side of the top of the workbench, and a push-out assembly is fixedly connected to the top of the workbench. First connecting blocks are fixedly connected to the front end and the rear end of the right side of the bottom of the workbench, first supporting rods are fixedly connected to the interiors of the first connecting blocks, second fixing plates are fixedly connected to the other ends of the first supporting rods, a connecting plate is fixedly connected to the close sides of the two first supporting rods, and a driving assembly is fixedly connected to the top of the connecting plate. According to the utility model, the leveling instrument is prevented from deviating, and the accuracy and precision of a measurement result can be ensured by preventing the leveling instrument from deviating, so that the product assembling and processing quality is improved.

The utility model provides an injection molding structure for a PET (Polyethylene Terephthalate) bottle preform, which belongs to the technical field of bottle preform injection molding and comprises an injection molding component, a mold component and a driving component, the injection molding assembly comprises a PET melting pipe and a colloid buffer box; the outlet end of the PET melting pipe is fixedly connected with the central position of the colloid buffer box; a regulating knob is rotationally mounted at one end, close to the PET melting pipe, of the colloid buffer box; a glue outlet head is mounted at one end, far away from the PET melting pipe, of the glue buffer box through threads; the glue outlet head is propped against the mold assembly; the mold assembly is adjustably mounted on the driving assembly; the injection molding structure can solve the problems that in the current bottle blank injection molding process, the glue outlet speed is singly adjusted and controlled, and the expected effect cannot be achieved in an auxiliary adjusting mode.

The utility model relates to the field of logistics equipment, in particular to a bag placing buffering device which comprises a conveying belt, a buffering platform, a sliding rail assembly, a lower buffering assembly and an upper buffering assembly. The buffering platform is arranged on the right side of the conveying belt, and the sliding rail assembly is arranged at the lower end of the buffering platform; the lower buffering assembly comprises a sliding rod, a guide sleeve, a spring, an inserting rod and an air cylinder, the sliding rod is fixed to a sliding block in the sliding rail assembly and arranged in the guide sleeve in a sliding mode, the sliding rod is sleeved with the spring, a guide face is arranged at the right end of the sliding rod, an inserting groove is formed in the sliding rod, the inserting rod is inserted into the inserting groove, the air cylinder is connected to one side of the inserting rod, and the air cylinder is connected to the other side of the inserting rod. The upper buffering assemblies are symmetrically arranged on the buffering platform at intervals, each upper buffering assembly comprises a base, a buffering rod and a torsional spring, the bases are fixed to the outer end of the buffering platform, the buffering rods are rotationally arranged on the bases through rotating shafts, the torsional springs are arranged on the rotating shafts, and a weight sensor is arranged at the lower end of the buffering platform.

The utility model relates to the technical field of railway assembly installation, and discloses a track joint structure capable of buffering and damping, which comprises tracks, a connecting plate is fixedly connected between two adjacent tracks, the middle part of the connecting plate is slidably connected with a buffer block, the outer wall of the buffer block is fixedly connected with a sliding block, and the sliding block is fixedly connected with the track. The outer wall of the sliding block is fixedly connected with a sleeve, the inner wall of the sleeve is slidably connected with a sliding rod, the other end of the sliding rod is fixedly connected with the inner wall of a connecting plate, the outer wall of the sleeve is in threaded connection with an adjusting ring, a damping spring is arranged on the outer wall of the sleeve, and the connecting plate is fixedly connected with a rail through a bolt. And the connecting plates are symmetrically arranged. According to the shock absorption device, the buffer block is pushed through the wheels, the buffer block pushes the sleeve and the shock absorption spring to be compressed, moving energy is absorbed, vibration energy is converted into elastic potential energy to be stored, then the elastic potential energy is slowly released after a vehicle passes through, and therefore the shock absorption effect is achieved.

This invention belongs to the field of optical cable technology and relates to a butterfly-shaped optical cable with anti-excessive twisting and its manufacturing method. It includes an optical fiber, an inner protective sleeve surrounding the optical fiber, and an outer protective sleeve surrounding the inner protective sleeve. The outer protective sleeve has two strip-shaped cavities, and an anti-twist strip is fixedly connected to each cavity. The anti-twist strip consists of a connecting part, four first buffer parts, and four second buffer parts. One side of each second buffer part is connected to an adjacent first buffer part, and the other side is connected to the outer protective sleeve. All four first buffer parts on the same anti-twist strip are connected to the connecting part. This invention uses cavities in the outer protective sleeve and anti-twist strips within these cavities. The arrangement of the four first buffer parts improves the bending resistance of the anti-twist strip, and the deformation of the anti-twist strip buffers the optical cable under pressure, thus protecting the optical cable. Furthermore, the inner and outer protective sleeves are not fixedly connected, reducing the probability of damage to the optical fiber due to excessive twisting.