126results about How to "Easy to wrap" patented technology

The utility model provides an automobile exhaust pipe with an auxiliary supporting function, which belongs to the technical field of automobile exhaust pipe supporting and comprises a first semicircular block and a second semicircular block, one end of the first semicircular block is hinged to one end of the second semicircular block, and clamping components are arranged on the first semicircular block and the second semicircular block. The clamping assembly comprises two first guide grooves formed in the first semicircular block, a second guide groove is formed in the second semicircular block, sliding blocks are arranged in the two first guide grooves and the second guide groove in a sliding mode, and supporting top blocks are arranged on the upper surfaces of the sliding blocks; a worker can rotate the second semicircular block on the first semicircular block, so that the second semicircular block wraps the automobile exhaust pipe on the first semicircular block, auxiliary supporting can be indirectly carried out on the automobile exhaust pipe, the installation efficiency of the worker is improved, and meanwhile the automobile exhaust pipe fixing device is suitable for fixing automobile exhaust pipes of different sizes.

The utility model discloses a fracture bandage assembly, including lock catch body and movable buckle, the movable buckle is sleeved on lock catch body, the one end of lock catch body is wound with bandage, the other end of bandage is wound on movable buckle, and the movable knot is formed with bandage on movable buckle and lock catch body, the other end of movable buckle and lock catch body is close, and bandage is pressed in movable buckle and lock catch body, and the bandage contraction of the other end of lock catch body, and the bandage is wound at the fracture and is contracted and pressed tightly, the utility model solves the existing problem that the ring is tied and is tied and has poor positioning ability and the problem that it is difficult to insert, through the movable buckle of sleeveing on lock catch body, the space size of movable buckle both sides is adjusted by movable buckle, and the bandage is wound conveniently, improves the winding efficiency of bandage, and when the bandage is tightened, can make movable buckle move, and the positioning ability of bandage to bone is improved.

The invention relates to the technical field of recycled asphalt, in particular to a high-consumption RAP fine aggregate recycled asphalt mixture and a preparation method thereof.The high-consumption RAP fine aggregate recycled asphalt mixture is prepared from, by weight, 30-50 parts of RAP fine aggregate, 10-30 parts of RAP coarse aggregate, 25-30 parts of new coarse aggregate, 4-5.2 parts of matrix asphalt, 3-5 parts of cold additive recycled rubber cement, 3-5 parts of mineral powder and 0.2-0.26 part of warm mixing agent. When the total doping amount of the RAP is 60%, the proportion of the fine materials in the total RAP is larger than or equal to 50%, the fine materials can be stably doped, the discarding rate and energy consumption of the fine materials are remarkably reduced, and the RAP fine materials can be consumed in a high proportion.

This invention discloses a special consumable for a double-layer cat litter box and its preparation and usage method, relating to the field of pet cleaning products technology. The invention's upper layer of cat litter and lower layer of absorbent and deodorizing granules, through synergistic design of formula and process, form a complete pet excrement treatment system. The upper layer of cat litter is responsible for trapping and encapsulating feces and draining urine, while the lower layer of absorbent and deodorizing granules is responsible for absorbing and treating odors generated by urine and feces. The combined use of these two layers achieves a highly efficient usage mode with automatic urine seepage, direct feces removal, no need for stirring the upper layer, and regular replacement of the lower layer. This significantly simplifies daily maintenance procedures, reduces the labor intensity of pet ownership, and significantly improves the user experience for family pet cat owners.

The utility model discloses a cable, which belongs to the field of cables and comprises a core wire, a middle coating layer, a first shielding layer, a second shielding layer and a ground wire, the middle coating layer is coated outside the core wire, the first shielding layer is coated outside the middle coating layer, the second shielding layer is coated outside the first shielding layer, and the ground wire is positioned between the middle coating layer and the first shielding layer. According to the cable provided by the utility model, through the combined action of multiple layers of structures, the middle coating layer, the first shielding layer and the second shielding layer can be dispersed to each layer when bearing external bending stress, so that the stress concentration of the core wire is reduced, the probability of deformation of the core wire due to repeated bending is reduced, the characteristic impedance stability is maintained, the signal transmission is ensured, and the data transmission abnormity is reduced.

The utility model discloses a display module edge shading assembly capable of preventing light leakage, and particularly relates to the technical field of display module edge shading, the display module edge shading assembly comprises a supporting frame arranged on a shell, a display module and a backlight module are arranged in the middle of the supporting frame, and a supporting table is fixedly connected to the middle of the supporting frame; a positioning groove is formed in the outer surface of the bottom of the supporting frame. The packaging effect is improved through the shading glue, the light leakage prevention effect is achieved, meanwhile, the anti-collision effect of the periphery of the display module can be improved through the thickness of the shading glue, the protection effect is improved, the periphery of the display module is packaged through the second shading film, the situation that light leakage occurs on the periphery of the display module can be avoided, and the display effect is improved. Meanwhile, through cooperation of the shading glue, the shading top film and the shading bottom film, the strength and the thickness of wrapping the periphery of the display module are improved, and the situation that the shading effect is affected due to abrasion is avoided.

This utility model relates to the field of medical device technology and discloses a dressing change kit for infants and young children with persistent seepage at deep vein catheter insertion sites. The kit includes a dressing bag, an inner wall with a sterilization pack, a skin protective dressing, an exposed catheter patch, and a sterile gauze sleeve. Elastic strips are fixedly connected to both the front and back sides of the sterile gauze sleeve. A hemostatic component for the puncture site and continuous bleeding is provided on the inner wall of the dressing bag. This hemostatic component includes a stretchable adhesive tape, the outer side of which is placed on the inner wall of the dressing bag. A pressable circular plate is fixedly connected to the bottom of the stretchable adhesive tape. In this utility model, the operator passes the catheter through the skin protective dressing, the exposed catheter patch wraps around the dialysis catheter, and then the dialysis catheter is inserted into the sterile gauze sleeve, thus securing the dialysis catheter and achieving fixation of the catheter, which cannot be cut.

The utility model discloses a photovoltaic module edge protector, including the protection edge, the one side of protection edge is provided with laminated piece insertion port, laminated piece insertion port's inner wall both sides all are fixedly connected with two inner support strip, the inside of laminated piece insertion port is provided with the buffer strip, the inside of protection edge is provided with the built -in steel band, the utility model discloses through special edge protector, simple edge sealing mode has solved the problem that the existing ultra -thin glass base's lightweight assembly transport handling burst and slight frame on the existing equipment cannot automatic gluing frame, the lightweight photovoltaic frame assembly and its special double -sided adhesive bonding press -type frame of the application can make the assembly of ultra -thin glass base can effectively protect the component glass edge and avoid the knocking burst, and quick realization simple frame, need not spend the new equipment of larger cost development, also need not be limited to the problem that the existing equipment cannot automatic group U type frame.

This invention relates to the field of medical biopolymer materials technology, specifically to an injectable hydrogel for kidney stone removal, its preparation method, and its application. The preparation materials include at least a precursor solution 1 and a precursor solution 2. Precursor solution 1 contains at least a polyethylene glycol derivative and a thickener, while precursor solution 2 contains at least a polyamino polymer. By optimizing the formulation ratio of the two-component precursor solutions, a hydrogel with strong conformability, good toughness, and viscosity is formed in situ in the kidney stone area. This encapsulates the kidney stone, facilitating its removal from the body and avoiding the safety hazards associated with small kidney stone fragments or conventional drug treatment.

This invention discloses an auxiliary hoisting device for a power line inspection drone, relating to the field of power line inspection technology. The invention includes a hoisting mechanism composed of hoisting arms symmetrically arranged on both sides of a platform. Fixed rods are symmetrically arranged on both sides of the hoisting arms. A fixed seat is fixedly connected to the end of the hoisting arm away from the platform. A connecting plate is fixedly connected to the inner wall of the fixed seat. A placement mechanism is arranged on the side of the connecting plate away from the fixed seat. The placement mechanism includes a housing, which is cone-shaped. A camera used for power line inspection is placed inside the housing. The housing has a streamlined outer surface, which reduces air resistance when the drone carries the housing, thus avoiding affecting the drone's flight efficiency. The fixed rods symmetrically arranged on both sides of the hoisting arms improve the connection strength between the hoisting arms and the platform, preventing the hoisting arms from bending due to air resistance, and thus preventing the housing from swaying and affecting the inspection effect.

The utility model provides a winding assembly and a phototherapy device, the winding assembly comprises a deformable housing, a phototherapy module and a first winding belt, and the deformable housing can perform curved surface deformation under the action of external force; the deformable shell is also provided with a light-transmitting part; the first winding belt is connected to the deformable shell; the first winding belt is provided with a winding space, and the body of a user can penetrate through the winding space; therefore, the first winding belt can be additionally arranged to wind the body of the user, the winding assembly can wind the arms or waist of the user, the problem that the deformable shell cannot be connected relative to the body of the user is avoided, and the application scene of the phototherapy device is enriched.

The application discloses a method for extracting sodium glycolate from pesticide wastewater and belongs to the wastewater treatment field. After 2,4-D production wastewater is stirred after pH is adjusted to 3.0, the filtrate is collected by filtration, the pH of the filtrate is adjusted to 8.0, and the concentrated solution is obtained by concentration under reduced pressure. The concentrated solution, modified cyclodextrin and modified cellulose are mixed according to the weight ratio of 100:0.8-1.2:0.1-0.3, the first mixing and stirring are performed, the second mixing and stirring are performed after cooling, the third mixing and stirring are performed after cooling again, and the filter cake is collected. After the filter cake and deionized water are mixed and stirred, the filtrate is collected by filtration, and the sodium glycolate is obtained by vacuum drying of the filtrate. The application solves the problem of co-crystallization of sodium glycolate and sodium chloride, and improves the purity and yield of sodium glycolate.

This application relates to the field of cable installation technology and discloses a support structure for cable installation in power construction. The structure includes a mounting bracket with a groove on its outer surface. A matching sliding sleeve slides along the groove. A reinforcing bar connects the two mounting brackets, and a cable routing rod is detachably mounted inside the reinforcing bar. Several winding rods are staggered on both sides of the cable routing rod. This application achieves rapid fixing and flexible adjustment of the bracket through positioning kits and mounting blocks, adapting to various installation scenarios. The groove and sliding sleeve, combined with bolts, meet different wiring requirements. The reinforcing bar securely connects the two brackets, and the fastening design of the cable routing rod, positioning groove, and threaded rod ensures structural stability and ease of maintenance. The winding groove of the winding wheel, combined with the winding rod, facilitates cable winding, organization, and positioning, preventing cable tangling. The modular and detachable design of each component makes installation, adjustment, and maintenance more convenient and efficient.

The utility model discloses a three-dimensional seat cover of a golf cart, which relates to the technical field of seat covers and comprises a seat cushion cover and a back cushion cover, protective enclosures are fixed at the front ends and the rear ends of the seat cushion cover and the back cushion cover, and protective covered edges are fixed on two sides of the seat cushion cover and the back cushion cover. The upper end face of the seat cushion cover and the upper end face of the back cushion cover are provided with a plurality of rhombic protruding blocks at equal intervals, spacer bushes are arranged in the middle of the seat cushion cover and the middle of the back cushion cover, and the space on the two sides of the seat cushion cover and the space on the two sides of the back cushion cover are separated through the spacer bushes. The golf cart is provided with a three-dimensional seat cover; the three-dimensional supporting performance is enhanced through the rhombic protruding blocks of the seat cushion sleeve and the back cushion sleeve, the seat cushion sleeve and the back cushion sleeve are concave, the seat cushion sleeve and the back cushion sleeve are correspondingly designed on the golf cart, in this way, the buttocks and the back of the human body can be better wrapped, and people can sit more stably when the cart is bumpy.

The utility model relates to the field of foot warming patches, in particular to a wearable foot warming patch which comprises a heating bag and a wearable part, the heating bag can emit heat after making contact with air, and the wearable part is elastic; a sole wearing cavity is formed between the wearing piece and the heating bag and is used for accommodating the sole of a user; the wearable part is provided with an ankle wearing hole in a penetrating mode, the ankle wearing hole is used for allowing the foot sole of a user to penetrate into the foot sole wearing cavity, and when the foot sole of the user is contained in the foot sole wearing cavity, the ankle of the user penetrates into the ankle wearing hole. The heating element for warming the feet has the effect that a user can conveniently cover the feet with the heating element for warming the feet.

The utility model relates to an elasticizer guiding device for chemical fiber processing, which comprises a mounting plate, and three sliding chutes are formed in the mounting plate; and the shaft pipe is arranged in the sliding groove in a sliding mode, a guide wheel is rotationally arranged at one end of the shaft pipe, a guide groove is formed in the peripheral wall of the guide wheel, and a vent hole communicating with the shaft pipe is formed in the guide wheel. The utility model relates to the technical field of guiding devices of chemical fiber elasticizers. According to the elasticizer guiding device for chemical fiber processing, when chemical fibers are heated, a hot steam pipe is inserted into a baffle ring, the hot steam pipe is fixedly connected with the baffle ring, at the moment, hot steam can be introduced into a shaft pipe through the hot steam pipe, and the hot steam is discharged through a vent hole and a discharge hole; at the moment, the chemical fibers located in the guide grooves can make full contact with hot steam, the situation that the guide wheels shield the chemical fibers can be effectively avoided, the situation that heating and cooling of the chemical fibers are affected by the guide wheels is prevented, and the elasticity enhancing uniformity and quality are improved.

The utility model relates to the technical field of shielding materials, and discloses a shielding structure, a cable and an electronic product. The shielding structure comprises a polyimide film layer and a conductive cloth layer, the polyimide film layer and the conductive cloth layer are bonded through an acrylic adhesive layer, a conductive adhesive layer is attached to the side, away from the acrylic adhesive layer, of the conductive cloth layer, and the overall thickness T after the polyimide film layer, the acrylic adhesive layer, the conductive cloth layer and the conductive adhesive layer are attached is smaller than or equal to 0.04 mm. The cable comprises a conductive wire and a shielding structure, and the shielding structure is pasted and coated on the outer side of the conductive wire. The electronic product comprises a first main body and a second main body which are rotationally connected, and the first main body and the second main body are electrically connected through a cable. According to the utility model, the shielding performance, wear resistance and bending durability of the shielding structure are improved, the thickness does not exceed 0.04 mm, the shielding structure can bear 500,000 times of rotating friction without being damaged and layered, and the shielding structure still has high shielding performance and conductivity.

The novel bra provided by the utility model adopts a double-layer composite cup structure, the outer layer is made of an elastic mesh fabric, the inner layer is made of a skin-friendly fabric and extends upwards to form an extension part, and the extension part extends from the top of the cup to the heart-shaped position, so that the wrapping property of the breast is enhanced; the bearing system is composed of a side piece and a heightened gauze rear piece, the surface of the rear piece is provided with a supporting belt extending to the connecting position of a steel ring, and a vertically-arranged rubber band is used for improving the side receiving force; the adjustable widened shoulder straps are rigidly connected with the rear wings through the steel rings and are matched with the semi-surrounded U-shaped steel rings to form a three-dimensional supporting system; an ultra-thin traceless back buckle system is provided with three rows of adjusting buckle positions, and pressure distribution is optimized by combining the design that the width of the side edge is gradually changed. Through the composite bearing structure, the multi-point steel ring support and the ergonomic adjusting system, the double improvement of wearing comfort and bearing stability is realized, and the technical problems that the shoulder straps of the traditional bra slip off, the back tightening marks exist, and the supporting force is insufficient are particularly solved.

The application discloses a rigid-flexible coupling bimodal end effector for picking chrysanthemum morifolium ramat, and belongs to the field of agricultural harvesting machines. The rigid-flexible coupling bimodal end effector comprises a driving execution device and a fixing device. The driving execution device comprises a bimodal finger, a steering engine and the like, is used for realizing the opening and closing of the end effector, controlling the expansion mode and the contraction mode of the bimodal finger, and realizing reverse transmission of two rows of bimodal fingers through the rotation of the steering engine. The fixing device is used for fixing the steering engine and the bimodal finger. The application realizes a rigid-flexible coupling bimodal end effector scheme suitable for picking fragile chrysanthemum morifolium ramat in a small scale and with low loss, can solve the problems of complex structure and high cost of the end picking mechanism in the prior art, simultaneously solve the problems of great damage to flowers when a rigid end effector is used for picking, weak gripping force of a flexible end effector and low picking efficiency, and is favorable for reducing damage and improving picking efficiency.

The application relates to the technical field of concrete structure repairing and reinforcing, and discloses a low-carbon geopolymer and small-diameter FRP bar collaborative embedded reinforcing method. The method is characterized in that a groove is formed in the bottom protective layer of a concrete flexural member, a geopolymer mortar containing slag, fly ash, silica fume and multi-grade quartz sand is used, and a small-diameter FRP bar with a diameter of 0.5-1.5 mm is used, and the embedded reinforcing is completed through the steps of alcohol groove cleaning, groove wall wetting, layered pouring, vibration and water-retaining maintenance. According to the application, the interface bonding stability, the anti-peeling capacity, the bearing capacity and the durability can be improved under the condition that the original member section and the self weight are slightly changed.

This utility model relates to a wound brush roller, comprising a brush cylinder and brush strips. The brush strips are wound around the outer wall of the brush cylinder. Multiple strip-shaped grooves are arranged in a circular array around the central axis of the brush cylinder on the outer wall of the brush cylinder. Several evenly distributed welding points are provided between the brush strips and the strip-shaped grooves. The beneficial effects are: by providing strip-shaped grooves on the outer wall of the brush cylinder, and by providing several evenly distributed welding points between the brush strips and the strip-shaped grooves when the brush strips are wound around the outer wall of the brush cylinder, it is convenient to weld the brush strips located in the middle of the wound brush roller to the brush cylinder, improving the strength of the weld between the brush strips and the brush cylinder. Furthermore, the welding points are located in the strip-shaped grooves so that the welding points do not affect the subsequent winding of the brush strips onto the brush cylinder; thus, it avoids the brush strips located in the middle of the wound brush roller from loosening, twisting, and deforming during use, and reduces the risk of the welding points at both ends of the brush strips falling off.

This invention provides an energy storage container and a mobile energy storage vehicle, comprising: a container body, an energy storage unit, and a cable winding system; the container body has an energy storage compartment and a cable winding compartment; the energy storage unit is housed in the energy storage compartment; the cable winding system is housed in the cable winding compartment; the cable winding system includes a cable reel, multiple reels, and multiple cables; the cable reel is rotatably connected to the container body and located within the cable winding compartment; multiple reels are spaced apart on the cable reel to rotate with it; a winding compartment is formed between any two adjacent reels; the multiple winding compartments are used for winding and storing multiple cables; the reels located between two reels at both ends of the cable reel are adjustable reels, which can move axially along the cable reel to adjust the axial spacing between any two adjacent reels. When the energy storage container is in use, the multiple winding compartments can each hold cables, allowing staff to select different quantities and lengths of cables as needed, thereby improving the utilization efficiency of the energy storage container.

The utility model discloses a portable laborsaving comb, particularly relates to the comb technical field, including comb body, grab handle and fixed mounting a plurality of comb teeth on comb body bottom surface, said comb body bottom surface is fixed mounting a cleaning plate, said cleaning plate bottom surface is provided with a plurality of through-holes, and the plurality of through-holes correspond to the plurality of comb teeth one by one, and the comb body bottom surface is provided with a plurality of through-holes. The comb teeth penetrate through the through holes, and a driving cavity is formed in the comb body. According to the light and labor-saving comb, in actual work, a user pulls a pull ring to enable a traction rope to drive a driving block to move towards one side of a first spring, due to the inclined design of the bottom face of the driving block, the driving block can gradually push a movable wheel and a fixing rod to move towards one side of a second spring in the moving process, and therefore the comb is convenient to use. The connecting rod can push the cleaning plate to move, and the cleaning plate can push the hair wound on the comb teeth to move until the hair is separated from the surfaces of the comb teeth, so that the hair wound on the comb teeth is convenient to clean.

This utility model provides a lightweight, high-strength, multi-purpose luggage rack, relating to the field of automotive luggage rack technology. It includes a support frame mounted on the roof of a vehicle. The support frame has slots at its front and rear ends, which connect to mounting blocks. Each mounting block includes a locking block and connecting ends. The locking block is engaged in the slot, and the connecting ends are mounted on the locking blocks and connected to the luggage rack. Four connecting ends connect to the front and rear ends of both sides of the luggage rack, respectively. This utility model, through the above structure and the engaging engagement of the slots and mounting blocks, enables quick assembly and disassembly of the luggage rack and support frame. The four connecting ends further enhance the overall stability of the luggage rack after installation, effectively preventing swaying caused by bumps during driving. The support component slides within a groove via a slider, allowing for flexible adjustment of the support position according to the size and quantity of luggage. The sleeve design between the inner connecting rod and the second support rod allows the support component to extend and retract, facilitating its disassembly.

The utility model relates to the technical field of oxygenerators, and discloses an oxygenerator adsorption tower quick-release sealing structure which comprises a tower body and a sealing cover, a sealing gasket is arranged at the bottom of the sealing cover, a positioning mechanism is arranged outside the tower body, and a limiting mechanism is arranged inside the positioning mechanism. The tower body is wrapped conveniently through the arranged connecting ring, the tower body is prevented from deforming in a high-pressure environment, the sealing performance of the tower body is guaranteed, the position of the connecting base is adjusted conveniently according to the placing position of the tower body through the formed positioning groove, the sealing cover is opened and closed more smoothly, the connecting base is convenient to disassemble and assemble under the cooperation of the bolts, and the sealing performance of the tower body is improved. And through arrangement of a rotating shaft and a first L-shaped block, rotation work of the sealing cover is facilitated, contact between the sealing gasket and the tower body is facilitated, and the sealing cover is prevented from deviating. And through the detachable connecting block, the orientation of the connecting block can be conveniently adjusted according to the position of the connecting seat.

The application discloses an automatic cleaning device for ship anchor chain, which comprises a main frame and a self-collection cleaning mechanism. A clamping assembly for positioning and fixing is fixedly installed on the lower section of the longitudinal guide rod in the auxiliary frame, and a clamping assembly for positioning and fixing is slidably connected to the upper section of the longitudinal guide rod, and the two clamping assemblies are driven to move on the anchor chain in a peristaltic mode. Angle-adjustable screw propulsion assemblies are installed on the left and right frame bodies of the annular carrier in the clamping assembly, and are driven to move underwater. The self-collection cleaning mechanism is movably arranged in the frame of the main frame, and is rotated to clean the anchor chain. The automatic cleaning device for ship anchor chain is provided in a closed mode, so that the cleaning objects are prevented from being dispersed in seawater, the cleaning objects are concentrated and collected, the cleaned anchor chain is prevented from being newly polluted, and the cleaning device itself is prevented from being interfered.

The utility model relates to a high pressure resistant type deep sea hydrophone, and relates to the field of hydrophones, the high pressure resistant type deep sea hydrophone comprises a housing used for accommodating a hydrophone body, the top of the housing is provided with a top cover, a vibration damping assembly is arranged between the housing and the hydrophone body, and the top cover is provided with a through hole for a cable of the hydrophone body to pass through. The hydrophone has the advantages that the stability and reliability of the hydrophone body during deep sea operation are improved, and the service life is prolonged.

The utility model discloses a yarn combing and dust removing device for yarn coiling, which relates to the technical field of yarn combing and dust removing and comprises a base, a first connecting frame is arranged at the upper end of the base, a worm is arranged in the first connecting frame, a motor is arranged at one end of the worm, a plurality of groups of turbines are arranged on one side of the worm, and a plurality of groups of motors are arranged on the other side of the worm. A collecting roller is arranged at the upper end of the turbine, a height adjusting frame is arranged on the rear side of the first connecting frame, multiple sets of wire grooves are formed in the height adjusting frame, two sets of height telescopic rods are symmetrically arranged at the lower end of the height adjusting frame, and an electric telescopic rod is arranged at the lower end of the height adjusting frame. According to the yarn combing and dust removing device for yarn winding, the electric telescopic rod drives the height adjusting frame to move up and down, so that the height adjusting frame can tension yarn, on one hand, carding of the first carding brush and the second carding brush is facilitated, on the other hand, the yarn can be conveniently wound and arranged on the collecting roller, and the device is simple in structure, reasonable in design and high in practicability. And the practicability of the device is high.

The utility model relates to the field of overhead line system ground wires, and discloses an overhead line system ground wire auxiliary winding device which comprises a first main body and a second main body, auxiliary mechanisms are arranged on the outer sides of the first main body and the second main body, each auxiliary mechanism comprises an installation assembly, and each installation assembly comprises installation holes formed in the opposite sides of the first main body and the second main body. A nut is arranged on the inner wall of the first main body, a bolt is arranged on the inner wall of the second main body in a penetrating mode, and the bolt is in threaded connection with the nut. According to the overhead line system ground wire winding device, through the use of the installation assembly, when an overhead line system ground wire needs to be wound, the first main body and the second main body are installed on a ground wire rod through the nut and the bolt, meanwhile, the fixing hook is fixedly installed through the locking block, and the jackscrew is used for being fixed to the ground wire rod; the upper side and the lower side of the same ground wire rod are symmetrically provided with the first main body and the second main body, so that the ground wire of the contact network can be wound conveniently, the winding regularity is improved, and the occupied space is reduced.

This invention relates to the field of electronic paste preparation technology, and discloses a low sheet resistance tungsten-copper electronic paste and its preparation method, comprising the following steps: Step 1, preparing tungsten-copper composite powder: spherical tungsten powder with a diameter of 1-10 μm and copper powder with a size of 1-3 μm are mixed by mechanical mixing, with a tungsten to copper weight ratio of 3:1-6:1. Before mixing, the copper powder needs to undergo graphene coating pretreatment; Step 2, preparing an inorganic binder: the inorganic binder includes, but is not limited to, the following components: glass powder, CuO, TiO2, La2O3, Pu6O11; Step 3, preparing an organic carrier: the organic carrier includes a solvent, an organic binder, and a thickener; Step 4, preparing the tungsten-copper paste. The tungsten-copper paste of this invention has widely available raw materials, a simple preparation process, and is suitable for mass production. Although graphene, a high-priced material, is added, the amount added is small and the performance is particularly excellent, making the cost of the tungsten-copper paste of this invention far lower than that of similar foreign products, resulting in a very high cost-performance ratio.