30results about How to "Convenient interspersed" patented technology

The utility model provides an injection mold cooling mechanism, and belongs to the technical field of mold cooling. The injection mold cooling mechanism comprises a lower mold base, an upper mold base and limiting rods, the limiting rods are installed at the four corners of the top end of the lower mold base correspondingly, the top ends of the limiting rods are connected with the corners of the upper mold base in a penetrating and inserting mode, a molding groove is formed in the top end of the lower mold base, and a cooling cavity is formed in the portion, close to the molding groove, of the lower mold base. A liquid supply mechanism is arranged on one side of the lower die base, one end of the liquid supply mechanism communicates with the interior of the cooling cavity, a flow dividing pipeline is arranged on the side, away from the liquid supply mechanism, of the lower die base and comprises a liquid discharging pipe, a reversing valve, a first pipeline and a second pipeline, the liquid discharging pipe communicates with the interior of the cooling cavity, and the liquid discharging pipe communicates with the interior of the cooling cavity. And one end of the liquid discharge pipe extends to the outer part of the lower die holder and is communicated with the input end of the reversing valve.

The invention relates to a flame-retardant anti-dripping TPU (thermoplastic polyurethane) film and a preparation method thereof. The flame-retardant anti-dripping TPU film comprises the following raw materials in parts by weight: 80-100 parts of TPU particles, 10-12 parts of a flame retardant, 12-20 parts of flame-retardant filler and 0.01-1 part of cellulose nanocrystals, and the flame-retardant filler comprises polyhedral oligomeric silsesquioxane and acid modified montmorillonite. The flame-retardant anti-dripping TPU film prepared by the invention is good in flame retardant property, not easy to drip and safer to use.

The invention provides a negative electrode material and a preparation method thereof, and a battery, the negative electrode material comprises a carbon matrix and a carbon nanotube, at least a part of the carbon nanotube is inserted into the carbon matrix and forms a support structure; wherein the compaction density of the negative electrode material is greater than or equal to 1.3 g / cm < 3 >, and the powder conductivity of the negative electrode material under the pressure of 20KN is 9.0 * 10 < 3 > S / m to 4.0 * 10 < 4 > S / m; and the sodium embedding capacity of a button cell assembled by the negative electrode material in a slope region of a voltage interval of more than 0.1 V is more than or equal to 150mAh / g. According to the negative electrode material, the preparation method thereof and the battery provided by the invention, the negative electrode material has high capacity, high first efficiency and high conductivity.

The utility model relates to the technical field of building components, and discloses a prefabricated steel structure integrated green building component which comprises a column plate and a first clamping piece, connecting pieces are arranged on the two sides of the tip end of the first clamping piece, second clamping pieces are arranged on the two sides of the top end of each connecting piece, and containing grooves are formed in the two sides of the bottom end of each connecting piece. A mounting frame is arranged at the top of the placement groove, the first clamping piece comprises a fixing plate and a limiting groove, the fixing plate and the limiting groove are connected in the butt joint of the column plate and the connecting piece, and the limiting groove is formed in the tip end of the fixing plate; the first clamping piece is embedded into the connecting piece, so that a connecting component with high supporting strength can be formed, the building component can be conveniently and stably installed by being matched with the two penetrating bolts in the middle, the complexity of excessive number is avoided to a certain degree, meanwhile, the two installation frames at the bottom can be used for fixing and protecting, and the installation efficiency is improved. Therefore, quick and stable connection and installation work of the component can be guaranteed.

The utility model discloses an electric power pipe strength testing device with a clamping function, which comprises an operation table directly arranged on the ground, and clamping mechanisms symmetrically arranged on the left side and the right side above the operation table, wherein the clamping mechanism comprises a rubber pad, a fixed lower clamping plate, an upper clamping plate, a connecting rod, a first rotating rod, a supporting block, a supporting rod and an electric telescopic rod, and the fixed lower clamping plate is fixedly installed above the operation table in a bilateral symmetry mode. According to the electric power pipe strength test device with the clamping function, the clamping mechanism is arranged, so that an electric power pipe cannot move in a strength test, the accuracy of detection data is improved, meanwhile, the protection mechanism is arranged, the electric power pipe is effectively prevented from being impacted by a drop hammer, generated disintegrating slag cannot splash all around, and the service life of the electric power pipe is prolonged. And in addition, a rapid hammering mechanism is arranged, so that the drop hammer rapidly impacts the electric power tube, and the efficiency of the strength test is greatly improved.

The utility model discloses an adjustable scoliosis traction wheelchair device, which relates to the technical field of medical instruments and comprises a seat and first side frames, the first side frames are mounted at the left end and the right end of the seat, and a second side frame is connected to one side, far away from a seat vertical mounting box, of each first side frame. The side edges of the lower ends of the first side frame and the second side frame are horizontally connected with a stabilizing frame. According to the adjustable scoliosis traction wheelchair device, universal self-locking wheels are fixedly installed on the first side frame and the second side frame, armrest structures made of anti-skid materials are installed at the upper end of the second side frame and one end of the rear armrest frame in a left-right stacking mode, and by means of the structure, the whole device can be used for traction when a user sits and can also be used for traction when the user sits. In addition, due to the fact that the armrest structures are arranged on the front side and the rear side of the seat, bidirectional standing and walking can be further achieved, and the using flexibility and convenience of the device are guaranteed.

This utility model discloses a material protection device for sheet metal stamping production, belonging to the technical field of sheet metal stamping devices. It includes a base, a worktable fixedly connected to the surface of the base, a frame mounted above the worktable, and a stamping die installed between the worktable and the frame. An assembly groove is provided on the end face of the worktable, and a support seat is installed inside the assembly groove. A support frame is fixedly connected to the top of the support seat. A feeding gap is provided between cleaning pads A and B. When conveying strip material to the stamping die, the holding limiting plate is lifted longitudinally. At this time, the platform and the support frame are locked in place, preventing loosening or detachment. Then, the strip material is passed through the feeding gap between cleaning pads A and B. During the material pulling process, the strip material, supported and limited by the platform and the limiting plate, will not directly contact the worktable, thereby reducing wear and improving product quality.

The invention belongs to the technical field of layered products, particularly relates to a polyester crease-resistant comfortable fabric and a processing technology, and aims to solve the problems that a traditional polyester fabric is crease-resistant, but still has slight creases after being worn or washed for a long time, the attractiveness is influenced, the existing manual feeding efficiency is not high, and a dye mixing process needs to depend on additional instruments and is transferred. According to the scheme, the dyeing device comprises a dyeing box, the two ends of the dyeing box are provided with a discharging port and a feeding port which are used for fabric feeding and discharging correspondingly, and two first guide rollers used for guiding fabric are rotationally arranged in the dyeing box; the two second guide rollers are arranged in the dyeing box in a lifting mode, the height of the second guide rollers is adjusted through an electric push rod, the distance between the fabric and the spray head assembly can be accurately controlled, it is ensured that dye can be evenly sprayed on the fabric, the front face and the back face of the fabric can be sprayed at the same time, the dyeing efficiency and uniformity are improved, and the dyeing efficiency is improved. And the fabric can be conveniently inserted between the two groups of guide rollers.

This invention discloses an injection molding apparatus and method for biodegradable plastic cups, relating to the field of plastic cup injection molding technology. The apparatus includes an injection molding machine, a lifting mechanism, a supporting mechanism, a positioning mechanism, a driving mechanism, a rotating mechanism, and an auxiliary mechanism. The lifting mechanism is mounted on top of the injection molding machine, the supporting mechanism is mounted at the bottom of the lifting mechanism, the positioning mechanism is mounted at one end of the supporting mechanism, the driving mechanism is mounted at the other end of the supporting mechanism, the rotating mechanism is mounted between the driving mechanism and the positioning mechanism, and the auxiliary mechanism is mounted above the positioning mechanism. This invention utilizes the coordinated arrangement of the lifting mechanism, supporting mechanism, positioning mechanism, and driving mechanism to facilitate the movement of the molded plastic cup to the positioning mechanism via the lifting and driving mechanisms. Combined with the elasticity of the supporting mechanism, the auxiliary mechanism can polish the rim of the plastic cup, improving the efficiency of rim treatment and enhancing the quality of the finished plastic cup.

The utility model discloses a double door power distribution cabinet cabinet body sheet metal structure, including sheet metal structure main part, the front of sheet metal structure main part is equipped with cabinet door no.

The invention discloses an anti-interference current acquisition device and method applied to a capacitor bank, and relates to the technical field of current acquisition, and the device comprises a bottom plate, and the upper surface of the bottom plate is provided with an acquisition input end main body; a same pressing mechanism is arranged outside the plurality of current sensing mechanisms, the pressing mechanism comprises a plurality of fixing blocks, and the plurality of fixing blocks are respectively fixed on two sides of the top of the acquisition input end main body; the driving assembly is arranged in the middle of one fixing block; a display mechanism is arranged at the top of the pressing rod, and a data processing mechanism used for data acquisition is arranged between the acquisition input end main body and the bottom plate. The arrangement mode that the current induction mechanism, the pressing mechanism and the display mechanism are matched is utilized, the middle of an unbound electric wire group can be inserted into the middle of the current induction mechanism, the anti-interference performance of current collection is improved, the convenience and stability of monitoring of the electric wire group are improved, and monitoring of collected data is more convenient.

The utility model provides a nozzle cleaning device for an injection molding machine, which comprises a clamping part for clamping and fixing an injection molding nozzle; the supporting frame is arranged on one side of the clamping part, and a shaft hole is formed in the supporting frame; the main body shaft is installed on the supporting frame and penetrates through the shaft hole, and a spiral drill bit is arranged at the end, facing the clamping part, of the main body shaft; and the impact part is mounted on the main body shaft, is close to the other end of the main body shaft and is used for pushing the main body shaft along the axial direction. The device can be universally used for plastic nozzles with different lengths and diameter specifications as long as the spiral drill bit can be inserted into the plastic nozzles. And the spiral sliding groove structure of the spiral drill bit part is beneficial for discharging molten rubber materials when the molten rubber materials penetrate and enter, and is also beneficial for fully fusing the rubber materials with the top end part of equipment in a hard solid state, and the friction force is increased, so that the rubber materials are prevented from being separated from the injection molding nozzle.

The utility model discloses a waterproof powder mixing device for waterproof paint production, which comprises a mixing tank and further comprises a mixing assembly arranged in the mixing tank and used for mixing waterproof powder, the mixing assembly comprises a rotating rod rotationally connected to the mixing tank, and a plurality of groups of stirring pieces are arranged on the side wall of the rotating rod. Each group of stirring pieces comprises a plurality of stirring plates fixedly connected to the side wall of the rotating rod, the stirring plates are arranged in an annular array, the inner wall of the mixing tank is rotatably connected with a rotating ring, and the inner wall of one side, close to the rotating rod, of each rotating ring is fixedly connected with a plurality of mixing plates. According to the waterproof powder mixing device for waterproof coating production, due to the arrangement of the mixing assembly, an air film formed by waterproof powder and air due to large specific surface area and high surface energy in the mixing process is subjected to shear damage, so that the direct contact opportunity of waterproof powder particles and other raw materials is improved.

The utility model discloses a fiber optic wire arrangement device relates to the technical field of optical fiber, including a plurality of roof, and the both sides fixedly connected with the side plate of roof, is equipped with the gap between two adjacent roof, and the symmetrically seted of side plate has the bayonet, and the bayonet is set in the both sides of gap and is communicated with the gap, is provided with the clamping assembly in the bayonet, and the clamping assembly is used for clamping optical fiber. The utility model provides the basic frame for the arrangement and fixed of optical fiber, and the containing space is formed through roof and side plate, and the design of gap is convenient for the wear and layout of optical fiber, and the bayonet provides the installation position for clamping assembly, so that the optical fiber can be stably clamped in the wire arrangement device, realizes the orderly arrangement and fixed of optical fiber, avoids the confusion of optical fiber, and clamping assembly can clamps the optical fiber steadily, prevents the situation of slack winding.

The invention discloses a crystal head binding machine with a misalignment correction function, and relates to the technical field of network cable crystal head docking and bundling. The invention uses a pneumatic needle clamp 2 on a cylinder 2 and a movable clamp on the top of a storage box to simultaneously press eight network cables inserted in a shell, and uses a CCD camera to take real-time network cable images, and generates a control signal after computer processing and sends it to a control console. The relay power is used to adjust the polarity of multiple groups of electromagnets in the storage box, thereby realizing the subsequent adjustment of the height of the pressing block and realizing the corresponding bending deformation of the network cable. Subsequently, the pneumatic needle clamp 1 on the rotating block is tightened and turned, and the pneumatic needle clamp 2 on the cylinder 3 is pressed, so that the subsequent insertion of the crystal head is convenient, the insertion efficiency of the entire crystal head and the network cable is improved, and the accuracy of the network cable insertion is guaranteed.

The present invention discloses a recyclable hanger structure for lowering a steel cage and a method for using the same, comprising a steel section hanger and a starter rod, a fixed shaft is welded to the bottom of the steel section hanger, a connecting piece is installed on the fixed shaft through two sets of shaft sleeves, a steel plate hook is welded to the connecting piece, the starter rod passes through the steel groove of the steel section hanger, the upper end of the starter rod passes through the steel section hanger and is provided with a handle, a limiting rod sleeve is provided in the steel groove and on the upper edge of the steel plate hook, a stop sleeve is welded to the lower edge of the steel plate hook, the upper and lower end surfaces of the limiting rod sleeve are wide, and a limiting narrow opening is provided inside the limiting rod sleeve for the starter rod to pass through. The present invention discloses a recyclable hanger structure for lowering a steel cage and a method for using the same, the hanger replaces the round steel hanger for lowering the steel cage, can be recycled, is easy to install and disassemble, greatly reduces the cost of measures for the project, is suitable for different working conditions, and brings better prospects for use.

The utility model relates to the technical field of steel coil transportation, and discloses steel coil transfer equipment. The steel coil transfer equipment comprises a bottom plate, universal wheels are fixedly mounted below the bottom plate, an adjusting piston is fixedly mounted above the bottom plate, a movable frame is fixedly mounted above the adjusting piston, a limiting bearing is fixedly mounted in the movable frame, a screw is fixedly mounted in the center of the limiting bearing, and a screw rod is fixedly mounted in the center of the screw rod. When a steel coil is transferred, the movable frame is adjusted to a proper height through the adjusting piston, so that the supporting rod can be inserted into the center of the steel coil, after the steel coil is fixed, the adjusting piston and the supporting piston synchronously extend, and the steel coil is conveyed to the movable frame through the conveying belt. The adjusting piston extends to lift the steel coil, the supporting piston extends to enable the supporting plate to support the steel coil on the lower left portion and the lower right portion of the steel coil, and in this way, bending of a supporting structure in the center of the steel coil can be avoided.

The utility model relates to a double-end-face mechanical sealing structure which comprises a gland structure, a system assembly, an end face cover and a fastening screw, a bearing can conveniently penetrate through the gland structure through an arranged adaptive structure, space is provided for movement of a buckle block, a connecting rod and a spring, and when the front end of the buckle block is pushed by a bearing seat, the front end of the buckle block is locked. The connecting rod can be driven to move back and forth under the elastic cooperation of the spring, then the position of the buckle block is adjusted, the buckle block can adapt to different bearing pedestal diameter widths conveniently, the position fixing effect on the bearing pedestal is achieved, the connecting rod penetrates through the guide seat and the follow-up seat and can be clamped on the anti-deviation plate in a sliding mode through the anti-deviation block, and therefore the bearing pedestal can rotate along with the buckle block, and the bearing pedestal can rotate along with the buckle block. And the bearing penetrating through the bearing seat can conveniently rotate in the column cavity.

The utility model discloses a joint structure for inserting a small-diameter pipeline into a large-diameter pipeline, which is arranged at a large-diameter pipeline connecting port of a two-way or more than two-way large-diameter pipeline and is butted with the small-diameter pipeline. The connector structure comprises a connector body, a threaded insert and a sealing piece, threads are arranged on the inner side surface and the outer side surface of one end of the connector body, external threads are arranged at one end of the threaded insert, the connector body and the threaded insert are hollow, and through holes are formed in the middles of the ends of the connector body and the threaded insert. The connector body is connected with the large-diameter pipeline connecting port through matching of the external threads of the connector body and the internal threads of the large-diameter pipeline connecting port, and the threaded insert is embedded in the connector body through matching of the external threads of the threaded insert and the internal threads in the connector body. The joint structure is cooperatively used on an internal thread of a large-diameter pipeline connecting port of a large-diameter pipeline, a small-diameter pipeline is inserted into the through hole during use, the structure is compact, the sealing effect is reliable, the joint structure can be conveniently applied to various medium pipelines, the assembly is simple and convenient, and the manufacturing cost is low.

The present invention discloses a ring beam structure node steel bar binding frame device and a ring beam construction method. The frame device includes an upper cross frame, a middle cross frame, a lower cross frame, a middle sliding shaft and four vertical rods. The lower cross frame is horizontally arranged at the bottom of the frame device, and the four vertical rods are arranged at the four corners of the lower cross frame. The middle sliding shaft is arranged at the center of the lower cross frame; the upper cross frame is located at the upper part of the frame device, and the middle cross frame is located in the middle part of the frame device. The upper, middle and lower cross frames are respectively provided with radial scales, and the middle sliding shaft is provided with axial scales. The ring beam construction method is constructed using the ring beam structure node steel bar binding frame device. The present invention can solve the precise binding and orderly binding of ring beam steel bar cages of different sizes, which is conducive to the firm binding of complex node steel bars, so that the beam steel bars can be better inserted into the ring beam, and the force of the ring beam is more reliable and safe.

The utility model relates to the technical field of bulldozer structures, in particular to a bulldozer engine upper cover anti-deformation structure which comprises a front hood, the front hood is connected with one end of an engine upper cover in a hinged structure mode, and the other end of the engine upper cover is connected with one end of a connecting rod in a hinged structure mode. The end, away from the engine upper cover, of the connecting rod is hinged to the portal frame. The engine upper cover and the connecting rod are arranged to form the swing mechanism, the swing mechanism swings in the stress direction after the engine upper cover is stressed, acting force is counteracted, and the engine upper cover is prevented from being extruded and deformed; the first hinge seat and the second hinge seat can be relatively fixed in the vertical direction, so that the pin shaft can be conveniently and quickly inserted, and the mounting efficiency is improved.

The utility model, which relates to the technical field of the new energy automobile, discloses a sealing and positioning device for the interspersed electrode of a DC support capacitor for a new energy automobile, comprising a capacitor plastic housing, the opening end of which is provided with a sealing clamping strip assembly. The sealing clamping strip assembly is used for improving the attaching tightness of the electrode and the opening end of the capacitor plastic shell. According to the utility model, the sealing clamping strip assembly and the groove are arranged, so that the electrode can be conveniently inserted out of the plastic shell after the internal core group is welded, the problem of how to insert the electrode out of the plastic shell is effectively solved, and the risk of leakage of an internal pouring material during pouring caused by inserting the electrode into the capacitor is prevented; the sealing performance and reliability of the capacitor are effectively improved, and the sealing clamping strip is limited by the insertion hole, the insertion rod, the insertion block and the insertion groove in the clamping state, so that the guiding effect is achieved when the sealing clamping strip is installed, and the situation that the sealing degree is affected due to the fact that the position of the sealing clamping strip deviates when resin is filled is avoided.

The present application provides a ventilation duct installation auxiliary device for BIM-based buildings, which belongs to the field of BIM construction technology. Its technical solution is: a seat is arranged on the top of the telescopic mechanism, and footrest components are symmetrically arranged on both sides of the telescopic mechanism. A trigger mechanism is arranged on the side of the telescopic mechanism in the middle of the footrest component, and the trigger mechanism is arranged on the upper part of the footrest component. A support component is arranged at the bottom of the telescopic mechanism, and a walking mechanism is symmetrically arranged on both sides of the supporting component. The beneficial effects of the present application are: the telescopic mechanism in the present application has a telescopic function, can drive the supporting component away from the ground or contact the ground, the supporting component has a supporting function, and can bear the weight of the entire operator, the footrest component is used to place the operator's feet and facilitate the operator to stand, the operator sits on the seat, the trigger mechanism provides a power source, the entire telescopic mechanism realizes the telescopic function through the triggering of the trigger mechanism, and the walking component facilitates movement.

The utility model relates to the technical field of mirror surface crimping, and discloses an air bag type mirror surface crimping mechanism, which comprises a loss prevention mechanism, a driving mechanism and a crimping mechanism, the loss prevention mechanism is positioned inside the crimping mechanism, the driving mechanism is positioned outside the crimping mechanism, the loss prevention mechanism comprises an inflatable air bag and an air connecting port, and the air connecting port is positioned outside the driving mechanism. The inflatable air bag is arranged at the inner end of the crimping mechanism, and the air connecting port is fixedly installed at the input end of the inflatable air bag and located outside the crimping mechanism. The air bag type mirror surface crimping mechanism is provided with the damage prevention mechanism, the position of the inflatable air bag is limited through the air bag cover plate and the through hole, the position of the air connecting opening is limited by the inflatable air bag, the inflatable air bag can conveniently penetrate through the air bag cover plate, and the inflatable air bag is positioned in the air bag cover plate through the air connecting opening; therefore, the air connecting port is conveniently connected with an air supply device to inflate the inflatable air bag, the inflatable air bag is enlarged to press and connect the mirror surface, pressure can be soft, the mirror surface is prevented from being damaged, operation is easy, and efficiency is high.

The utility model relates to the technical field of building construction, in particular to a grouting pipe guiding device, which is convenient for the penetration of a grouting pipe and improves the installation efficiency of the grouting pipe, and comprises an installation disc, a plurality of guiding cylinders are arranged on the installation disc, a plurality of rolling shafts are arranged at the top and the bottom in each guiding cylinder, and the rolling shafts are arranged on the installation disc. A plurality of fixing devices are arranged on the periphery of the mounting disc, each fixing device comprises a mounting frame, a mounting groove with one open end is formed in each mounting frame, an extrusion plate is mounted in each mounting groove, one side of each mounting frame is in threaded connection with a lead screw, one end of each lead screw is rotationally connected with the corresponding extrusion plate, and the other end of each lead screw is rotationally connected with the corresponding extrusion plate. A plurality of through holes are formed in the position, located on one side where the lead screw is installed, of the installation frame, the through holes penetrate into the installation groove from the exterior of the installation frame, sliding rods matched with the through holes are fixedly arranged on the extrusion plate, the sliding rods are in sliding connection with the through holes, a screwing block is arranged at the other end of the lead screw, and anti-skid lines are arranged on the extrusion plate.

This utility model discloses a wire-punch type single male connector structure, relating to the field of connector technology. It includes: a protective housing, a limiting assembly, an inner sleeve, a plug connector, an outer sleeve, and a rear-mount accessory. A protective cover is installed at the front end of the protective housing. An inner sleeve is installed inside the protective housing. An outer sleeve is installed on the outer wall of the inner sleeve. A plug connector is installed inside the inner sleeve. A rear-mount accessory is installed at the rear end of the inner sleeve. A limiting assembly for limiting the outer sleeve is installed on the inner wall of the protective housing. An assembly slot is formed on one side of the outer wall of the protective housing, and two assembly ports are formed on the other side of the outer wall. Limiting protrusions are provided on the outer walls of the assembly ports. The limiting assembly includes a limiting block. This design solves the problem that existing male connectors have low external protection, easily leading to damage to internal components during use.

The utility model belongs to the technical field of sheet pile construction, and particularly relates to a sheet pile positioning control device which comprises a positioning frame. A telescopic mechanism is arranged on the inner side of the positioning frame, a positioning mechanism is arranged on the inner side of the positioning frame, adjusting mechanisms are arranged at the two ends of the positioning frame, the telescopic mechanism comprises a cavity, limiting grooves are symmetrically formed in the inner side of the cavity, telescopic blocks are slidably installed at the two ends of the inner side of the cavity, and limiting blocks are symmetrically fixed to the two ends of each telescopic block. Before use, the telescopic blocks at the two ends of the inner side of the positioning frame are shrunk in the cavity in the inner side of the positioning frame, at the moment, the positioning control device is small in size, the positioning control device is transported to a construction position, the telescopic blocks are pulled to stretch out of the inner side of the positioning frame, and at the moment, the positioning control device is unfolded; the sheet piles are inserted into the inner sides of the limiting plates on the side faces of the positioning frame to be accurately positioned, and the problems that an existing positioning control device is large in size and inconvenient to store and transport are solved.

The invention discloses a resin-based composite material for improving wear resistance of a PVC (polyvinyl chloride) hose and a preparation method of the resin-based composite material, and belongs to the technical field of wear-resistant materials for PVC hoses. The copper tetraamino phthalocyanine and the nano molybdenum disulfide are compounded, so that the nano molybdenum disulfide is prevented from being agglomerated, the nano molybdenum disulfide plays a stable lubricating role, the friction force and the abrasion probability are reduced, and the surface adhesion of the material is reduced through the surface lubricating role. The rigid structure of the polyimide microspheres provides support for the nano molybdenum disulfide, and the wear resistance is enhanced. 2-(4-pyrimidine) dicarboxaldehyde and copper tetraamino phthalocyanine are subjected to a Schiff base reaction, a protective layer is constructed on the surface of the polyimide microsphere, additional mechanical support is provided, polyimide particles are prevented from being agglomerated, and the bonding strength with a PVC matrix and the overall wear resistance are improved. The Schiff base structure reduces interfacial tension, enables molecular chains to stretch, facilitates interpenetration of polyimide among PVC molecular chains and firm inlaying of polyimide in a system, prevents particles from falling off, avoids aggravated wear, and can absorb and disperse friction force microcosmically and protect a PVC matrix.

A composite wire harness and tube bundle fixing device comprises a mounting base and a tube bundle fixing base, the tube bundle fixing base is buckled on the mounting base, a ribbon connecting part is fixedly arranged on the outer surface of the upper end of the tube bundle fixing base, the vertical section of the ribbon connecting part is in an inverted U shape, the upper end of the ribbon connecting part is in an arc shape, and the heights of the two sides of the upper end of the ribbon connecting part are different. Two first limiting blocks are fixedly arranged on the inner side surface of the upper end of the ribbon connecting part and are oppositely arranged, a ribbon limiting groove is formed between the two first limiting blocks, and the surface of the ribbon connecting part is an arc-shaped surface and can adapt to the radian of the ribbon during binding, so that the contact area between the ribbon connecting part and the ribbon is increased; according to the cable tie, the stress of the cable tie connecting part is reduced, the cable tie connecting part is prevented from being damaged by pulling, meanwhile, the two side edges of the cable tie connecting part are not in direct contact with the cable tie, the position of the cable tie is effectively limited by using the first limiting block, and the cable tie is prevented from being damaged by shaking and friction.