85results about How to "Reduce cost input" patented technology

This invention belongs to the field of aerospace profile production in the aluminum processing industry. It provides a roller measuring and loading / unloading device for a roller straightening machine, including: a support component, a base, a slider, a clamping seat, a laser measuring instrument, and a telescopic claw. The base is installed at the bottom of the support component, and the surface of the base has multiple grooves. The slider is installed in the grooves and is used to install the roller. Two symmetrical clamping seats are set on both sides of the support component. The two clamping seats are equipped with a laser measuring instrument and a telescopic claw. The laser measuring instrument is used to measure the diameter of the roller, and the telescopic claw is used to fix the roller with the base. It has strong versatility. The base can adjust the slider according to the shape of the roller so that the groove of the base matches the roller. The clamping seat can be raised and lowered according to the diameter of the roller, and the telescopic claw can move back and forth according to the thickness of the roller. The base and clamping seat work together to transport and unload rollers of different specifications, achieving the purpose of cost reduction and efficiency improvement, effectively shortening the hoisting time and improving the operation efficiency.

The present invention discloses a detection device for the mechanical property fatigue life test of a bellows part, belonging to the technical field of bellows mechanical property test detection. It includes a mold mechanism, a driving mechanism, and a counting mechanism; the detection device forms two sets of independent detection units; it also includes a fixed plate and a workbench surface, and two sets of guiding components are arranged between the fixed plate and the workbench surface, and the guiding components are respectively slidably connected with movable plates; the driving mechanism is in transmission connection with the movable plates, and is used to drive the corresponding movable plates to make reciprocating up and down movements along the guiding components; the fixed plate and the movable plates are both provided with coaxially corresponding station card slots, and the mold mechanism is installed in the station card slots; the counting mechanism is linked with the driving mechanism, and is used to collect the reciprocating movement signals of the movable plates and record the total number of expansion and contraction movement cycles of the bellows. The present invention can improve the detection efficiency, realize the clamping and detection of bellows of different specifications, the detection data is more in line with the actual use state, and has certain adaptability and reliability.

The utility model discloses a piston ring finishing machine which comprises a mounting bracket, a horizontal rubber roller assembled on the mounting bracket through a pair of bearings, a motor in transmission connection with the end part of the rubber roller, a pair of mounting units symmetrically arranged on the mounting bracket, and a supporting pipe unit of which the two ends are respectively and detachably assembled on the pair of mounting units, the supporting pipe is parallel to the rubber roller when the supporting pipe is assembled on the mounting unit, the positioning clamping strip can be assembled on the outer wall of the supporting pipe in a detachable mode at the same length, the rubber roller makes contact with the bottom side of the piston ring so as to drive the piston ring to rotate, and the positioning clamping strip is detachably assembled on the supporting pipe. A large number of customized pipes matched with the equipment can be prevented from being customized, and the cost input is reduced; in the using process, only the positioning clamping strip needs to be assembled on the supporting pipe, the piston ring does not need to be transferred between the supporting pipe and the customized pipe, and the working efficiency is improved.

This invention discloses the application of the apple MdWRI1 gene in regulating the wax content of apple fruits and leaves, belonging to the field of plant genetic engineering technology. This invention isolates an MdWRI1 gene with high expression levels in apple varieties with high wax content, its nucleotide sequence of which is shown in SEQ ID NO.1. Subcellular localization revealed that the transcription factor expressing the MdWRI1 gene is located in the cell nucleus. Experimental results show that overexpression of the MdWRI1 gene can significantly increase the wax content of apple fruits and leaves by promoting wax biosynthesis, indicating that the MdWRI1 gene plays a key role in regulating the wax content of apple fruits and leaves. This invention provides an efficient and rapid approach for apple breeding, provides genetic material for improving apple quality, and has broad application prospects in improving the economic and ecological benefits of apple cultivation.

The application belongs to the field of battery state monitoring, and discloses a battery thermal runaway early warning method based on a single-point thin film pressure sensor. A single-point thin film pressure sensor is arranged between adjacent battery cells in a battery pack to sense the battery cell pressure signal in real time. The charging and discharging process of the battery pack is monitored through the battery cell pressure signal, and the cycle pressure peak value sequence and the valley value sequence of the last N charging and discharging cycle periods of each battery cell in the charging and discharging process are recorded adaptively, and the dynamic grading pressure early warning threshold of each battery cell is calculated based on the sequence. The battery cell abnormality is identified and the thermal runaway early warning is performed according to the dynamic grading pressure early warning threshold. The application effectively offsets the interference of factors such as the battery cell manufacturing tolerance, the sensor individual difference, the installation deviation and the battery cell expansion caused by the charging and discharging cycle through the dynamic grading threshold of each battery cell, so that the early warning result is more suitable for the actual state of the battery, and a reliable basis is provided for the thermal runaway early identification.

This utility model relates to a testing device for PLC debugging, belonging to the field of industrial automation equipment. It includes input elements, output elements, and a power supply. The input elements include a digital input section, an analog input section, and a temperature input section. Both ends of the digital input section are connected to one side of a digital input terminal block, and the other side of the terminal block is connected to the PLC's digital input module. The analog input section connects to the power supply and the analog input terminal block; the other side of the terminal block is connected to the PLC's analog input module. The temperature input section connects to a temperature input terminal block; the other side of the terminal block is connected to the PLC's temperature input module. The output elements include relays, indicator lights, and meters. This utility model device is simple in composition, safe, and reliable. Before testing, the PLC to be debugged is connected to the device in place once, and no changes or verification of the wiring are required during debugging.

The application discloses an electrochemical luminescence measuring cell with a hook hand lifting mechanism and relates to the conveying technical field. The electrochemical luminescence measuring cell with the hook hand lifting mechanism comprises an outer box body, an electrochemical measuring cell mechanism and a reaction cup. Two sealing doors are movably arranged on one side of the outer box body. An adjusting mechanism is arranged at the bottom of the electrochemical measuring cell mechanism. The adjusting mechanism comprises a reversible motor one fixedly arranged on one side of the inner box body, a transmission shaft fixedly arranged at the output end of the reversible motor one, a brake one sleeved outside the transmission shaft, a support frame two and a brake two, and a positioning assembly arranged outside the support frame two. The support frame two is provided with the hook hand lifting mechanism at the top. The hook hand lifting mechanism is matched with the adjusting mechanism to clamp and fix a new reaction cup and then place the reaction cup on the top of the electrochemical measuring cell mechanism. The reaction cup can be automatically replaced, the safety of the experiment of the harmful substances escaping in the reaction process is ensured, the replacement speed of the reaction cup is ensured, and the safety hidden danger of the workers is reduced.

The utility model discloses a kind of cyclic treatment systems of silane gas decomposition tail gas in polysilicon production, including at least one group by adsorption tower and analysis tower composition pressure swing adsorption device, the gas inlet end of pressure swing adsorption device is equipped with tail gas compressor, tail gas compressor connects the tail gas outlet of silane gas decomposition device, the product gas outlet end of pressure swing adsorption device is equipped with adsorption product gas tank, adsorption product gas tank is connected to silane gas decomposition device by circulating hydrogen pipe, the pressure relief end of pressure swing adsorption device is connected to cold hydrogenation device.The utility model utilizes the principle of pressure swing adsorption to separate and impurity removal hydrogen in silane gas decomposition tail gas, obtained product hydrogen and pressure relief gas can be used as circulating hydrogen and cold hydrogenation device respectively, without material waste, the setting of tail gas compressor and adsorption product gas tank can guarantee the stability of system control and circulating hydrogen recovery.

The lithium battery comprises two end covers which are distributed up and down, a shell is arranged between the two end covers, the two ends of the shell are inserted into the two end covers respectively, a first clamping groove matched with the shell is formed in the side, facing the shell, of each end cover, and a second clamping groove matched with the shell is formed in the side, facing the shell, of each end cover. Clamping blocks are fixedly connected to the bottoms of the two sides of an inner cavity of the shell, sliding grooves are formed in the tops of the clamping blocks, clamping pins are installed in inner cavities of the sliding grooves in a sliding mode, and springs are fixedly connected to the bottoms of the clamping pins. The shell and the cover plate of the lithium battery are assembled together in a buckling manner, the end cover can be quickly separated from the shell to finish the disassembly structure when the battery is disassembled, the disassembly speed and efficiency of the lithium battery are improved, and the disassembled parts can be secondarily assembled and used, so that the cost input is reduced, and convenience is provided for the use of a user.

The utility model provides a kind of tail gas emission device based on semiconductor equipment, including tail gas emission pipeline, first pipeline system, second pipeline system and control module, first pipeline system includes first pipeline and the heat medium control pipeline being connected with first pipeline, and first pipeline is sleeved in tail gas emission pipeline outside;Second pipeline system includes second pipeline and the vacuum control pipeline and cooling medium control pipeline being connected with second pipeline respectively, and second pipeline is sleeved in first pipeline outside;Control module is connected with heat medium control pipeline, cooling medium control pipeline and vacuum control pipeline respectively, to be used for controlling second pipeline and vacuum control pipeline communication or with cooling medium control pipeline communication, to the vacuum extraction of second pipeline or to the cooling medium delivery of second pipeline.The application can effectively prevent the condensation of substances in the tail gas in the tail gas emission pipeline, reducing or avoiding pipe blockage.

The application discloses a low-voltage transformer area topology identification method based on current and electric quantity data, relates to the technical field of low-voltage transformer area topology identification, and comprises data preprocessing, a current algorithm module, an electric quantity algorithm module, a topology fusion module, a rehearsal and verification module and an output result module. The application provides the low-voltage transformer area topology identification method based on the current and electric quantity data, and aims at the deficiency of the prior art, and automatically infers the low-voltage transformer area topology connection relationship through the identification method.

The utility model discloses a thread-free quick opening cup lid and a cup, which comprise a lid body and a pull locking component arranged on the lid body, a sealing element is arranged on the pull locking component, the sealing element is made of a soft silica gel material, the pull locking component penetrates through the lid body and the sealing element, and the sealing element is arranged on the lid body. The pulling locking assembly comprises a lifting piece penetrating through the cover body and the sealing piece, a solid triggering piece moving up and down along the lifting piece and a sliding piece moving horizontally are arranged on the lifting piece, and a clamping part matched with the sliding piece is arranged on the inner side wall of the cover body. Comprising a cup body, and the unthreaded quick-opening cup cover is mounted at an opening of the cup body. On the basis that downward pressing is continuously kept to achieve unlocking and upward lifting is continuously kept to achieve closing in operation, the firmness of the internal structure is greatly improved, the service life is prolonged, and cost input is reduced.

The utility model discloses a novel high stability frock quick switching base equipment relates to welding fixture technical field. The utility model discloses a fixed base and set at the top of fixed base's welding fixture main part and set between the top of fixed base and welding fixture main part bottom's mobile platform main part still include: moving wheel, set in the four corners at mobile platform main part bottom end, the both sides of mobile platform main body front end are provided with front end positioning seat. The utility model discloses through increasing detection mechanism and stable locking mechanism on the basis of pinhole positioning welding fixture, can alleviate the wear and tear of pinhole positioning, further improves the accuracy of quick switching structure positioning, improves the positioning stability, and the dismounting and replacing clamp can be quickly and simply switched only by manual, reduces the dependence on other machinery, reduces the insecurity caused by the confusion of too many other machinery or switching personnel.

The application discloses a device for recycling asphalt in waste asphalt mixture, which comprises a main box body, a bottom plate fixed to the lower side of the main box body, a bottom frame fixedly connected to the lower side of the bottom plate for supporting, a feeding hopper fixedly installed at the top rear side of the main box body, and a cooling and conveying mechanism arranged in the main box body for cooling and conveying the asphalt mixture. The cooling and conveying mechanism is used for uniformly cooling the asphalt mixture to zero below, so that the asphalt material becomes brittle and fragile, and the stone material still maintains the original strength at low temperature due to the material characteristics. The extrusion mechanism uses an elastic rotating structure to apply controllable extrusion force to the mixture, the brittle asphalt material is preferentially crushed, and the stone material is hardly damaged in the extrusion process and can fall into a stone collecting hopper in an intact form. The device greatly improves the recycling rate of the stone material, the intact stone material can be directly used for road base or concrete aggregate, and secondary processing is not needed, so that the cost of stone purchase and reprocessing is remarkably reduced.

The invention discloses an energy balance control method, device and equipment for an energy storage system and a medium, and belongs to the technical field of energy storage, and the method comprises the steps: determining the average SOC of all battery packs in the energy storage system when the energy storage system needs to be subjected to energy balance, and obtaining a mean SOC; the energy storage system comprises a high-voltage box and a plurality of battery packs which are connected with the high-voltage box and are connected in series, a BCU main control board is arranged in the high-voltage box, a bidirectional energy converter is arranged in each battery pack, and positive electrodes and negative electrodes of the plurality of battery packs are respectively connected together; according to the mean value SOC, determining an expected operation current of the target battery pack when the energy storage system reaches an energy balance state; and based on the expected running current of the target battery pack, regulating and controlling the running state of the target battery pack by using a bidirectional energy converter in the target battery pack until the difference value between the SOC of the target battery pack and the mean value SOC is smaller than a first preset threshold value. According to the method, the logic complexity and the required cost input when the balance control is performed on the energy storage system can be reduced.

The invention belongs to the technical field of metal materials and powder metallurgy, and discloses a preparation method of a TiB2 enhanced AlCoCrFeNi high-entropy alloy, which comprises the following steps: S1, weighing raw materials: weighing Al, Co, Cr, Fe and Ni metal powder according to an equal atomic ratio, and weighing TiB2 powder which accounts for 5-20% of the total mass of the Al, Co, Cr, Fe and Ni metal powder; s2, mechanical alloying machining is conducted, specifically, Al, Co, Cr, Fe and Ni metal powder and TiB2 powder are mixed and then subjected to high-energy ball milling machining, and composite powder is obtained; s3, molding processing: drying and sieving the composite powder in the S2, and loading the composite powder into a mold for cold press molding to obtain a green body; and S4, atmosphere protection sintering is conducted, specifically, the green body is placed in sintering equipment under inert atmosphere protection to be sintered, and the TiB2 reinforced AlCoCrFeNi high-entropy alloy is obtained. According to the preparation method, high-dispersion distribution of TiB2 particles in alloy powder is achieved through high-energy ball milling, and a bulk material which is uniform in structure and high in density is obtained in cooperation with a sintering process.

The utility model provides a high-water-level sandy soil deep foundation pit supporting device. The high-water-level sandy soil deep foundation pit supporting device comprises fender piles. The positioning structure is clamped to the top end of the fender pile, the positioning structure comprises a positioning plate, a positioning groove and a positioning hole, the positioning groove is formed in the bottom face of one end of the positioning plate, and the positioning hole is formed in the side wall of the other end of the positioning plate; the fixing structure is fixed on the edge of the bottom surface in the foundation pit; the protection structure is mounted between the positioning plate and the fixing groove; the high-water-level sandy soil deep foundation pit supporting device has the advantages that the construction time is conveniently shortened, and the cost input is reduced.

The invention discloses a gas cabinet side plate modular assembly device and method, the gas cabinet side plate modular assembly device comprises four jig frame beams, the four jig frame beams are welded and fixed, and the bottoms of the jig frame beams located on the left side and the right side are fixedly connected with a plurality of jig frame columns distributed at equal intervals; the inner sides of the jig frame beams located on the left side and the right side are fixedly connected with a plurality of horizontal jig frame secondary beams distributed at equal intervals, the middle ends of the inner sides of the jig frame beams located on the front side and the rear side are fixedly connected with a vertical jig frame secondary beam, and the tops of the jig frame secondary beams are fixedly connected with module shaping plates. According to the modularized splicing device for the side plates of the gas holder, the side plates are constructed in a modularized mode through the splicing technology on the horizontal ground, and the chord height, the radius and other sizes of the arc-shaped structures of the side plates can be effectively controlled; welding shrinkage deformation control can be well done in advance, and effective quality control can be achieved for installation of the side plate of the gas holder.

This invention discloses a flexible-rigid bonding mold with interchangeable usage states, comprising a flexible film mold roller, a hard film mold roller, and a snap-fit ​​part. The two ends of the flexible film mold roller are detachably connected to the hard film mold roller via the snap-fit ​​part. When the flexible film mold roller is mounted on the hard film mold roller, it is used for roll transfer printing to produce flexible film strips. When the flexible film mold roller is removed from the hard film mold roller, it is used for roll transfer printing to produce hard film strips. This flexible-rigid bonding mold allows for the interchangeable use of the flexible and hard film mold rollers, meeting the production needs of simultaneously producing both hard and flexible film strips on a single optical film production line, thereby reducing the cost of production line equipment.

This utility model relates to the field of self-unloading coal slag, and discloses a self-unloading coal slag box, including a frame, a hopper mounted on the frame, a discharge port at the bottom of the hopper, a discharge plate slidably mounted at the discharge port at the bottom of the hopper, a pneumatic device mounted on the frame at the discharge port, the pneumatic device being connected to the discharge plate and used to drive the discharge plate to open and close at the discharge port, and a dust removal device being mounted at the sliding connection between the discharge port and the discharge plate, the dust removal device being used to discharge the coal slag at the discharge port, and the discharge plate and the dust removal device being linked. The pneumatic device is connected to the discharge plate, and the discharge plate can be directly controlled by the pneumatic device, thereby controlling the opening and closing of the discharge port. When the coal slag box is unloading or after unloading and the device structure is restored, the coal slag embedded in the gaps or grooves is automatically removed, avoiding the jamming problem caused by the accumulation of coal slag. This design significantly improves equipment reliability, reduces the frequency of manual cleaning, avoids equipment failure, simplifies the operation process through the linkage design, and improves efficiency.

The utility model discloses a clamping handle, which comprises a handle and a quick release transmission device arranged on the handle, a clamping device is arranged at the front end of the handle, the handle comprises an upper panhandle and a lower panhandle, one end of the upper panhandle is movably connected with one end of the lower panhandle through the clamping device, and the other end of the upper panhandle is movably connected with the quick release transmission device through the clamping device. The upper pan handle comprises an upper handle body and a lower cavity formed in the upper handle body, an installation head is arranged at the front end of the upper handle body, an assembly groove is formed in the side face of the installation head, a clamping base is installed on the installation head, an assembly block matched with the assembly groove is arranged on the side wall of the clamping base, and the upper handle body and the lower handle body are arranged in the assembly groove. A locking piece is arranged between the installation head and the upper handle body, and the quick-release transmission device is installed in the lower cavity. On the basis that the design is reasonable and the structure is simple, different styles of structures are created, installation of internal parts is facilitated, and the production and manufacturing requirements of production and manufacturing enterprises are met.

The utility model relates to the technical field of goods sorting, in particular to an automatic goods picking robot which comprises an industrial robot body, a plurality of sets of goods storage plates are arranged on one side of the industrial robot body, a goods carrying plate is arranged on the other side of the industrial robot body, a rotatable rotating disc, a supporting plate and a sliding plate connected in a sliding mode are arranged on the goods carrying plate, and a clamping plate is installed on one side of the sliding plate. In the working process, the goods storage plate conveying belt conveys goods under driving of the motors, and the multiple sets of motors are matched with the threaded rods and the guide rods to achieve accurate clamping and carrying of the goods through the clamping plates. According to the automatic goods picking robot, the goods are driven to rotate in the mode that the first motor drives the rotary table to rotate, so that the goods identification is adjusted to be in the direction right facing scanning equipment or operators, and the goods are automatically picked. The method has the advantages that the labor cost is reduced, and the warehouse logistics information processing accuracy is improved.

The application discloses a bubble eliminating device for a car front end drainage structure and an electrophoresis tank, which comprises a plurality of first connecting pipes, the liquid inlet of each of the first connecting pipes is connected with a liquid outlet on an electrophoretic liquid conveying pipe located at the front end of the electrophoresis tank; a plurality of first spray pipes, which are parallel to each other and in the same plane, the first spray pipes are arranged in an inclined upward manner, the top end of each of the first spray pipes is directed to the opening direction of the drainage structure when a car is immersed in the electrophoretic liquid, the bottom end of each of the first spray pipes is connected with the liquid outlet of each of the first connecting pipes; a plurality of first nozzles, which are of a nozzle type with a diameter gradually decreasing from the bottom end to the top end, and the bottom end of each of the first nozzles is connected with the top end of each of the first spray pipes; a connecting rod, which is connected with each of the first spray pipes; two supporting rods, which are located at the two ends of the connecting rod, the top end of each of the supporting rods is connected with the end of the connecting rod, and the bottom end of each of the supporting rods is connected with a fixing frame of the electrophoretic liquid conveying pipe. The application is helpful to improve the bubble eliminating effect in the car drainage structure in the electrophoresis process.

This utility model relates to a fixture for fixing an antenna horn cavity, including a worktable and a fixing mold. A fixing base is fixed on the worktable, and the top surface of the fixing base has a vertically downward extending insertion hole. Multiple fixing molds of different sizes are provided, and each fixing mold has a mounting seat fixed to its bottom. Each mounting seat has a mounting rod at its lower end that can be inserted into the insertion hole. A holding mechanism is provided inside the fixing base to detachably and securely hold the mounting rod in the insertion hole. This utility model, by providing mounting seats adapted to the fixing base at the bottom of different types of fixing molds, allows different fixing molds to share the same mounting structure, and each fixing mold is easy to disassemble and replace. It eliminates the need to install multiple fixing molds simultaneously on the worktable, reducing space occupation on the worktable and lowering costs.

The utility model discloses a book type set convenient to check and a punching device and processing equipment thereof, the book type set comprises n set pages with a preset arrangement sequence, n is greater than or equal to 3, the edge positions of the first to nth pieces of the set pages are provided with identification areas, and the edge positions of the first to (n-1) th pieces of the set pages are also provided with check areas; the identification area is provided with an identification code, and the verification area is provided with an observation channel for observing the identification code; the mth page of the set pages is provided with (n-m) check areas, (n-m) observation channels of the mth page of the set pages correspond to the identification codes of the (m + 1) th page to the nth page in a one-to-one mode, and n is larger than m; the sequential verification method comprises the following steps: verifying identification codes from the second page to the nth page of a set page through (n-1) observation channels of the first page of the set page; when the identification code is correctly displayed, determining that the collection page is qualified; and when the identification code is displayed wrongly, determining to adjust the target set page. The utility model relates to a native set, which can effectively improve the verification efficiency of the native set and reduce the verification cost.

This utility model discloses a reusable carbon fiber reinforcement tensioning and positioning device, relating to the field of building structure reinforcement technology. It includes a fixing base with a slider groove on its inner side. A sliding block is disposed within the slider groove. Two screws are connected to one side of the sliding block. Threaded holes are provided on the sliding block corresponding to the positions of the screws. Rod holes are provided on the fixing base at the positions where the screws pass through. This utility model, through the design of the fixing base, slider groove, sliding block, and bolt holes, allows the carbon fiber sheet to be tensioned and fixed when the fixing base and sliding block are used together. After the sliding block is fixed, the fixing base can be removed from the structure, enabling the fixing base of the carbon fiber sheet tensioning and reinforcement device to be reused, thus reducing cost.

The present application provides a mine chain welding automatic discharging conveying equipment, and relates to the conveying field.The present application comprises a discharging structure and a discharging pipe fitting, one side of the discharging structure is provided with a conveying structure, the top of the conveying structure is provided with a feeding structure, the conveying structure comprises a conveying track, a fixed plate one, a fixed plate three, a position sensor, a fixed plate four, a gear two and a plurality of clamping pieces one, the inside of the conveying track is provided with a backing plate, two transmission rods two are fixedly connected between the plurality of clamping pieces one and the fixed plate four;one end of the moving mine chain material rod successively penetrates between two polishing pieces two and between two polishing pieces one, the rotating two polishing pieces two remove the deformation and burrs generated due to cutting processing of the mine chain material rod, the rotating two polishing pieces one polish the outside of the mine chain material rod, reduce impurities on the outside of the mine chain material rod, and reduce the cost investment for removing the burrs and protrusions of the circular or elliptical mine chain.

This invention provides a fiber optic laser length measurement system, comprising: a linearly swept laser, a first fiber coupler, a signal amplification module, a circulator, a second fiber coupler, a photodetector, and the fiber laser under test. The linearly swept laser outputs continuously varying laser light to the first fiber coupler. The first fiber coupler splits the laser light output from the linearly swept laser into two paths according to a certain beam splitting ratio; one path is transmitted as a signal light to the signal amplification module, and the other path is transmitted as a reference light to the second fiber coupler. The signal amplification module amplifies the signal light and outputs it to the circulator. This invention effectively solves the problems of low signal-to-noise ratio, poor accuracy, and poor stability in the prior art when measuring the fiber length of fiber lasers.

The application provides a diagonal retreading tire toe opening device and process, wherein the diagonal retreading tire toe opening device comprises a mounting table, one side of the mounting table is provided with a supporting pipe, one side of the supporting pipe is provided with a pushing assembly, the pushing assembly comprises a hydraulic cylinder, a nut and a plurality of rubber plugs, a supporting box is slidably arranged in the supporting pipe, a plurality of jacking assemblies are arranged on the outer side of the supporting box, a plurality of outer grooves are formed on the outer side of the supporting pipe, and a clamping assembly is arranged in each of the outer grooves. The pushing assembly and the supporting box are matched, the plurality of jacking assemblies control the plurality of clamping assemblies to support and protect the positions of the tire toe that need to be perforated, the damage to the tire is reduced, the perforating assembly can perforate the plurality of positions of the tire toe that are supported and protected at one time, the tire maintenance speed is improved, the time cost investment is reduced, the holes are regularly distributed, and the overall appearance of the tire is less damaged.