44results about How to "Shock resistance" patented technology

The utility model relates to the technical field of dust removers, in particular to a dust hopper negative pressure detection device for a dust remover, which comprises a pressure gauge, a pressure gauge dial tube, an internal thread ball valve, an anti-blocking sampler, mounting tubes and protective channel steel, the mounting tubes are welded at different heights along the vertical direction of the dust hopper, and the anti-blocking sampler is obliquely inserted into the dust hopper through the mounting tubes and is vertically mounted. The pressure gauge is connected to an air outlet connecting pipe of the anti-blocking sampler through a pressure gauge dial pipe and an internal thread ball valve, three layers of anti-blocking mechanisms are arranged in the anti-blocking sampler and can filter dust and buffer air pressure fluctuation, and the protective channel steel covers the upper side of the mounting pipe to prevent ash block impact. The ash level height is judged by detecting the negative pressure value in the ash hopper, the problems of misinformation and rejection of a traditional level gage are solved, and the level gage has the advantages of being high in blocking resistance and measurement precision, convenient to maintain and the like.

The utility model relates to the technical fields of wheel, disclose a kind of baby carriage wheel, including axle, the outer surface of axle is fixedly installed with walking mechanism;The inner surface of walking mechanism includes mounting disc, and the outer surface of mounting disc is fixedly connected with the outer surface of axle, the outer surface of mounting disc is fixedly installed with support frame, and the outer surface of support frame is fixedly installed with reinforcing frame.The baby carriage wheel, by axle first transmission to two sides symmetrical distribution's mounting disc of stepped convex round spoke shape.This structure utilizes its stepped flange to effectively disperse and reduce the stress concentration of junction place.Subsequently, load is mainly transmitted by multiple outwardly convex triangular solid support frame;The inherent geometric stability of the triangular structure is fully utilized, and the radial load is efficiently converted into compressive stress and tensile stress in the support frame, and the force is transmitted to the vertical rim with very high structural efficiency.The straight rim avoids the lateral component force generated by the inner inclined structure.

The utility model belongs to the technical field of connectors, in particular to a high-stability connector terminal, which comprises a male terminal and a female terminal, and the connecting end of the male terminal and the inserting end of the female terminal are electrically connected through the elastic matching of a first bending part at the top end and a second bending part at the bottom end. The two bending parts are designed to be in an arc shape and are bent towards the interior of the insertion end, the effective contact area is increased through the staggered contact faces, the contact resistance is reduced, and the inclined chamfers and the arc-shaped grooves at the inlets form a double-guiding system, so that through the innovative double-section type elastic contact structure, the connection stability is improved, and the service life of the connector is prolonged. The connector is suitable for scenes such as new energy automobiles and rail transit with strict reliability requirements, and has the remarkable advantages of stable connection, efficient conduction, convenient operation and the like.

This utility model discloses a plate heat exchanger with a reinforcement device, comprising: a heat exchange core formed by stacking multiple heat exchange plates sequentially, a reinforcement device disposed on the outside of the heat exchange core, the reinforcement device comprising oppositely arranged reinforcement components, each set of reinforcement components comprising a transverse reinforcement member and a longitudinal reinforcement member, the transverse reinforcement member being disposed along the width direction of the heat exchange core and abutting against the edge of the heat exchange plate, the longitudinal reinforcement member being disposed along the height direction of the heat exchange core and having both ends connected to the transverse reinforcement member, the transverse reinforcement member and the longitudinal reinforcement member forming a reinforcement frame to apply radial constraint force to the heat exchange core. By the transverse reinforcement member and the longitudinal reinforcement member of the reinforcement device enclosing and forming a reinforcement frame, the radial constraint force applied to the heat exchange core can effectively resist the impact of fluid pressure fluctuations on the heat exchange core, reduce the overall shaking or dispersion of the core formed by stacking multiple heat exchange plates due to uneven force, and significantly improve the overall structural stability of the heat exchange core.

The utility model discloses a kind of anti-airflow interference's material carrying mechanism for riveting equipment, it is through being arranged with the first limit block, second limit block and movable element with limit slot linkage with material table, using movable element in first position by limit slot to the mechanical rigidity constraint formed to first limit block and second limit block, effectively resist the strong airflow impact accompanied in rivet conveying process, fundamentally prevent that material table is accidentally opened when receiving material, ensure that rivet is reliably received and accurately positioned. Significantly improve the stability and reliability of equipment work, reduce the production efficiency loss caused by material blockage, shutdown, while overall structure is simple and compact, easy to realize and control, manufacturing cost is low, very suitable for use in the pneumatic feeding occasion of riveting industry.

The application provides a battery device and an electric device. The battery device comprises a battery cell and a box body. The battery cell is arranged in the box body. The box body comprises a wall part. The wall part comprises an outer layer structure, an intermediate layer structure and an inner layer structure which are sequentially stacked along the thickness direction of the wall part. The intermediate layer structure is configured as a shear thickening structure. The inner layer structure is closer to the battery cell than the outer layer structure. The wall part further comprises a reinforcing structure which is connected to the surface of the outer layer structure facing the inner layer structure. Since the intermediate layer structure is configured as a shear thickening structure, when the intermediate layer structure is impacted, the rigidity of the intermediate layer structure will significantly increase with the increase of the impact rate. Therefore, the wall part of the box body can well resist external impact, the possibility of damage of the battery cell in the box body due to impact is reduced, the impact resistance of the battery device is improved, and the reliability of the battery device is improved.

A sagger travel channel opening and closing device and a sagger lifting device, comprising a sagger travel channel opening and closing mechanism and a sagger lifting mechanism at the loading station, characterized in that: the sagger travel channel opening and closing mechanism at the loading station includes a stop frame, a stop plate hinge seat, a stop plate actuating cylinder, a stop plate actuating cylinder column connecting frame, and a stop plate; the sagger lifting mechanism at the loading station includes a sagger lifting base frame, a sagger lifting drive motor, a linkage worm gear, a driving synchronous pulley, a driven synchronous pulley, a synchronous belt, a front worm gear box, a rear worm gear box, a sagger lifting frame fixing plate, a sagger lifting frame, a pair of front guide columns and a rear guide column, a pair of sagger material front weighing sensors and a sagger material rear weighing sensors, a sagger material weighing sensor front fixing plate, and a sagger material weighing sensor rear fixing plate; and a pair of sagger clamping mechanisms at the loading station. It resists the impact of the large inertia of the sagger, avoids deformation, and plays a role in opening and closing the sagger travel channel located at the loading station as needed.

This invention provides a quick-release battery mechanism, including a battery assembly, a mounting base, a locking mechanism, and a switching mechanism. The mounting base has a battery compartment suitable for accommodating the battery assembly. The locking mechanism includes a locking groove, a locking pin, a locking spring, and an operating part. The locking spring is adapted to drive the locking pin into the locking groove, and the locking mechanism is in a locked state. The operating part is adapted to drive the locking pin out of the locking groove, and the locking mechanism switches from the locked state to the unlocked state. The switching mechanism is adapted to limit the operating part, so that the locking pin remains out of the locking groove, that is, the locking mechanism remains in the unlocked state. One of the battery assembly and the mounting base includes the locking groove, and the other of the battery assembly and the mounting base includes the locking pin and the operating part. This invention, by setting up a locking mechanism and a switching mechanism, ensures the stable installation of the battery assembly on the mounting base, while allowing users to quickly and easily complete the installation and removal of the battery.

This utility model discloses an anti-flanging valve plug sealing ring, comprising a rubber body with an embedded skeleton made of metal. The outer rubber body and the inner skeleton are integrally vulcanized. Thus, utilizing the strength and rigidity of the metal skeleton, it effectively resists the impact of oil, fundamentally preventing the sealing ring from flanging due to oil impact. This significantly improves the reliability and service life of the sealing ring, avoids sealing failure and transmission oil leakage caused by sealing ring damage, reduces the frequency of transmission maintenance due to leakage, lowers equipment maintenance costs and downtime, and improves production efficiency and equipment reliability.

This utility model relates to the technical field of electromagnetic pump auxiliary connection devices, and more particularly to a connection structure for the inlet and outlet pipes of an electromagnetic pump. This utility model provides such a connection structure for the inlet and outlet pipes of an electromagnetic pump, including an electromagnetic pump body, an inlet port, an outlet port, and a connecting sleeve. The inlet port is fixedly connected to the left side of the electromagnetic pump body, and the outlet port is fixedly connected to the right side of the electromagnetic pump body. Both the inlet and outlet ports are externally connected to the connecting sleeve by bolts. By pushing the delivery pipe towards the channel pipe, aligning the end of the channel pipe with the end of the support sleeve, and ensuring that the channel pipe and the delivery pipe are coaxial, rotating the rotating ring drives the threaded block to move along the channel pipe, gradually reducing the distance between the channel pipe and the delivery pipe until the connection is completed and locked. This solves the problems of poor sealing reliability, easy oil leakage, cumbersome connection method, low maintenance efficiency, and high cost of existing electromagnetic pump oil port connection structures.

This invention provides a display in which multiple light-emitting elements are mounted on a circuit board and distributed along the length of the display. A light guide is adapted to transmit the light emitted by the light-emitting elements to the display screen. The light guide is connected to a first protective element, a second protective element, and a third protective element. The first, second, and third protective elements are all mounted on the circuit board and distributed along the length of the display. The first and second protective elements are located at opposite ends of the multiple light-emitting elements. Thus, the first, second, and third protective elements provide protection for the circuit board and the light-emitting elements, helping to resist the impact of the light guide on the circuit board and the light-emitting elements. This helps reduce damage to the light-emitting components from excessive impact and also helps reduce damage due to stress concentration at the ends or other locations of the circuit board, thereby improving the protection effect for the light-emitting components.

The present application relates to the technical fields of metallurgical equipment, and discloses a sealing device for a super-high power electric furnace cover and a mounting method. The device comprises a cover body and a furnace flange, and a composite sealing mechanism and a guiding alignment mechanism are arranged at the joint position of the cover body and the furnace flange. A precision adjustment mechanism is arranged around the outer edge of the cover body. The guiding alignment mechanism comprises guiding protrusions and limiting grooves. The guiding protrusions are discontinuously distributed along the circumferential direction of the cover body. The limiting grooves are provided on the furnace flange. The guiding protrusions are inserted into the limiting grooves. A heat expansion compensation gap is reserved between the side wall of the guiding protrusion and the inner wall of the limiting groove. A positioning pin is arranged on the limiting groove. A positioning pin hole matched with the positioning pin is provided at the bottom of the guiding protrusion. The present application realizes accurate assembly of the cover body by means of the guiding structure. The reserved gap is suitable for high-temperature deformation. The disadvantages of manual alignment and misalignment are avoided. The sealing and joint effect is stable.

This invention belongs to the field of firefighting equipment, specifically referring to a high-temperature resistant and flame-retardant fire protective goggles. It includes a main body of the goggles, a frame on which lenses are fitted inside the frame, and buckles on both sides of the frame connected to adjustment straps. The frame is made of flame-retardant and high-temperature resistant TPV composite material, combined with high-temperature resistant and flame-retardant foam, reinforced with heat-resistant polycarbonate lenses, a flame-retardant headband, and buckles. This fully utilizes the core advantages of the overall material—wear resistance, high-temperature resistance, and flame retardancy—allowing the goggles to remain stable in high-temperature environments and continuously provide eye protection. The fire protective goggles of this invention can work stably for more than 5 minutes in a 176.7°C environment without deformation, melting, or breakage, and do not support combustion when exposed to open flames. This effectively solves the problem of traditional goggles easily failing at high temperatures, providing firefighters with a high-temperature resistant and flame-retardant protective barrier that is both protective and adaptable to the complex and harsh working environment of fire scenes.

The utility model discloses an excavator cab and a reversible protective net device thereof, the reversible protective net device comprises a first protective net arranged at the upper part of one side of the cab and a second protective net arranged below the first protective net, one end of the first protective net is hinged to the cab through a plurality of hinge assemblies, and the other end of the first protective net is hinged to the cab through a plurality of hinge assemblies. One end of the first protective net is fixedly connected to the cab through a plurality of first fixing plates, the other end of the first protective net is fixedly connected to the cab through a plurality of second fixing plates, the second protective net is fixed to the lower portion of one side of the cab, a plurality of first grids are evenly and vertically distributed on the first protective net, a plurality of second grids are evenly and vertically distributed on the second protective net, and the first grids are radially inclined by a preset angle along the center line in the width direction of the first protective net; the device can effectively resist impact of splashes in the excavation operation process, the integrity of a driving space and the personal safety of a driver are guaranteed, the first grids are obliquely arranged in the radial shape, and compared with traditional grids arranged in parallel, the first grids can effectively reduce blocking of the sight of the driver, the view field of the driver is expanded, and the safety of the driver is improved. And the visual blind area is reduced.

The utility model discloses a whole passenger car shot blasting electric rubber roller shutter door which comprises a door curtain winding drum installed on a door frame, a driving device used for driving the door curtain winding drum to rotate and a control device electrically connected with the driving device, and U-shaped guide rails distributed in the vertical direction are arranged on the two sides of the door frame respectively. The door curtain winding drum is horizontally distributed and rotationally installed above the two U-shaped guide rails, the door curtain winding drum is connected with a rubber door curtain in a winding mode, and the edges of the two sides of the free end of the rubber door curtain are slidably connected with the two U-shaped guide rails respectively; a guide roller which is installed in a free rotating mode is arranged between the door curtain winding drum and the upper portions of the two U-shaped guide rails, the guide roller and the door curtain winding drum are distributed in parallel, and the side wall of the guide roller abuts against the surface of the rubber door curtain. The utility model solves the problems that the electric door is easy to deform and damage due to the impact of steel grit in the shot blasting operation of the passenger car, the potential safety hazard of manual push-and-pull is large, the sealing performance is poor, and the like, and has the advantages of enhanced durability, high-frequency stable operation, environmental protection, standard reaching and the like.

The utility model provides a battery device and electric equipment. The battery device comprises a box body (1); the bottom protection plate (2) is arranged on the outer side of the bottom of the box body (1), and the bottom protection plate (2) and the box body (1) are oppositely arranged at intervals; the elastic element (3) is connected between the bottom of the box body (1) and the bottom protective plate (2); and the limiting parts are located at the bottom of the box body (1) and / or on the bottom protection plate (2), and the limiting parts are arranged corresponding to the elastic elements (3) and are configured to limit the installation positions of the corresponding elastic elements (3). According to the battery device, the mounting positions of the corresponding elastic elements (3) are limited by the limiting parts, so that the supporting stability of the elastic elements is favorably improved, the elastic elements are prevented from plastic deformation and failure under severe impact, and the protection effect of the bottom protection plate is favorably maintained.

The application discloses a universal unlocking device for a base station intelligent access control standby lock cylinder, which comprises a host end and a door lock receiving end, wherein the Type-C interface of the host end is connected with a communication module, a full-link ESD protection module, a power management and MOS tube on-off control module, a host end MCU control module, a multi-lock cylinder head adaptation module, a double-channel electronic switch and LIN bus communication module, a lock cylinder interface protection module and a man-machine interaction module. By replacing the lock cylinder adapter of different specifications and cooperating with the level detection of ID1 and ID2 identification contacts, the plug-and-play and quick adaptation of different interface lock cylinders are realized, and the whole machine does not need to be replaced. The application adopts a common single-chip microcomputer as the master control, directly supplies power and communicates through the mobile phone Type-C interface, completely avoids the battery power shortage problem, and greatly reduces the hardware cost. The application has the advantages of flexibility, hardware cost and emergency availability, and is suitable for the emergency unlocking and daily operation and maintenance scenes of the communication base station access control.

This utility model belongs to the field of paper box manufacturing technology, specifically relating to a foldable reinforced paper box, including a box body and a frame mechanism disposed within the box body. The frame mechanism has internal support mechanisms on both its upper and lower sides, and a pad overlapping the lower internal support mechanism is also disposed within the frame mechanism. This utility model, through the cooperation of the box body, frame mechanism, and internal support mechanisms, forms a two-way support structure inside the box body, constituting a double protection system with the box body, significantly improving the overall support strength of the box body. This structure can effectively resist the impact of collapse or collision, maintaining the integrity of the box body shape and ensuring that the internal items are not damaged, thereby enhancing the protective performance and practical value of the paper box.

The invention belongs to the technical field of power transmission wires, and discloses a bending-resistant anti-cracking bundled insulated wire and a preparation method thereof. According to the invention, the conductor adopts a stepped unequal-diameter stranded structure, and in cooperation with in-situ annealing treatment, the flexibility and fatigue resistance of the conductor are improved; the insulating layer adopts a sandwich gradient composite structure, so that the inner layer is soft, the middle layer is tough, the outer layer is wear-resistant, bending stress can be effectively dispersed, and cracking of the insulating layer is avoided; and the protection layer and the insulation layer are mechanically interlocked through the micro ribs and the grooves, and the bonding effect of the identification layer is combined, so that the interlayer bonding is tight, the stripping phenomenon is avoided, and the bending resistance is further improved. The wire is good in overall flexibility, facilitates wiring and bending in complex scenes, improves the construction efficiency, has excellent high and low temperature resistance and aging resistance, can be widely applied to scenes needing frequent bending and complex wiring such as building interior lines, new energy equipment and mobile electrical equipment, and is high in practicability.

The utility model relates to battery technology field discloses battery package, include: casing, the electric core module includes a plurality of electric core, a plurality of electric core is along X direction and is side by side arranged in the inner chamber of casing, the top surface of each electric core is provided with a pair of pole post that interval arrangement along Y direction, and the radial outer periphery of pole post is equipped with assembly slot, the busbar support is equipped with the through -hole that corresponds with the pole post of all electric core one to one, and the busbar support is covered in the top surface of electric core module through the through -hole one to one and is correspondingly worn in pole post, the inter -cell busbar includes the busbar body and the interval arrangement a pair of first mounting hole that are equipped on the busbar body, along Z direction, the thickness T of busbar body and the height H of assembly slot are matched, along X direction, and the inter -cell busbar is connected with pole post interference fit through a pair of first mounting hole and is arranged in the assembly slot of adjacent pole post of adjacent electric core. Such setting can avoid the adverse problems such as virtual welding, explosion point caused by unstable welding technology, and the quality stability of battery package is improved.

The utility model relates to a kind of deep and shallow cavity dynamic pressure spindle structure, it includes main shaft, sliding bearing and thrust bearing, the sliding bearing is equipped with four static pressure cavities, every static pressure cavity is communicated with a shallow cavity, the main shaft generates dynamic pressure effect by the synergistic effect of static pressure cavity and shallow cavity, to enhance the rigidity of main shaft and resist the impact of grinding force.The utility model improves grinding efficiency, grinding quality, especially the surface quality of roll.

The invention discloses a preparation method of a degradable super-hydrophobic polysaccharide polymer packaging film with low-temperature toughness and antibacterial and anti-icing functions. The packaging film provided by the invention comprises a polysaccharide cationic derivative and nanoparticles, the polysaccharide cation derivative is selected from polysaccharide derivatives containing morpholine salt cations and / or piperazine salt cations. The packaging film disclosed by the invention has excellent super-hydrophobic, antibacterial and anti-icing properties. The packaging film has good mechanical strength and environmental protection performance, can be widely applied to the fields of cold-chain transportation, food preservation, medicine packaging and the like, and provides an innovative solution for functional packaging materials.

The utility model relates to the technical field of engineering, in particular to a prestressed pipeline mud jacking heat preservation device which comprises plastic reticulated fiber water hoses, the plastic reticulated fiber water hoses are arranged along the full length of mud jacking corrugated pipes, and at least one plastic reticulated fiber water hose is spirally wound on the outer side of each corrugated pipe. And hot water is kept in the plastic reticulated fiber water hose. According to the prestressed pipeline mud jacking heat preservation device, the plastic reticulated fiber water hose is wound on the corrugated pipe, and the plastic reticulated fiber water hose has good plasticity and strength, so that concrete impact can be effectively resisted, and the plastic reticulated fiber water hose can be well attached to the corrugated pipe in a spiral state; the corrugated pipe is directly heated by the hot water in the plastic reticulated fiber water hose, so that the heating efficiency, the uniformity and the stability can be effectively improved, the flowability and the construction quality of grouting liquid are improved, and smooth grouting operation is ensured.

The present application relates to a kind of hanging rail type intelligent fire-fighting inspection robot, including lightweight aluminum alloy multistage assembly track, inspection robot and foldable mounting rack, adjacent track section is supported and fixed by track installation platform. Matching quick mounting mechanism and quick mounting seat are arranged between track section and installation platform, realize quick disassembly and assembly;With fine adjustment sliding slot, the installation position can be fine adjusted, to ensure that track is accurately connected. The mounting rack adopts hinged folding structure, which is convenient for storage and transportation. When working, self-locking stability is realized through clamping structure and supporting pin. Drive wheel assembly is provided on the top of the robot, which is tightly fitted to the bottom surface of the track by relying on torsional spring, to ensure stable driving. The side hanging wheels can be adjusted by opening and closing through bidirectional threaded rods, which is convenient for equipment installation on the track. The two sides of the robot prevent the convex rod from falling into the hanging wheel sliding groove, effectively preventing the equipment from falling due to damage to the hanging wheel structure. The overall structure is convenient to disassemble and assemble, safe, and suitable for mobile installation and inspection scene in construction site.

The invention relates to the technical field of electromechanical components, and discloses a quick-locking sealing connector which comprises a plug and a socket, the plug comprises a contact pin, a cable and a conical screw, the socket comprises a shell and a jack which is formed in the shell and corresponds to the plug, and a copper core climbs along an external thread which is gradually shrunk under manual assistance and is tightly wound on a rod part of the conical screw. The copper cores are arranged more orderly and normatively, bidirectional fastening between the copper cores and the conical screws, circumferential holding and limiting of the threads on the copper cores and winding and restraining of the screws by the copper cores can be achieved, the overall connection strength is greatly improved, external force such as vibration and pulling can be effectively resisted, loosening and falling are avoided, the structure can adapt to the copper cores of different lengths, and the service life of the copper cores is prolonged. The too long copper core can be wound for multiple circles, the too short copper core can be attached for few circles, the length of the copper core does not need to be trimmed like a traditional structure, meanwhile, the copper core attached in a climbing mode and the screw form stable large-area conductive contact, the remaining copper core is stored and positioned in cooperation with the containing hole, and conductive point positions are further increased.

The utility model provides a kind of debris flow protection retaining wall, comprising: base, base is sequentially provided with connecting dam, protection dam and fixed retaining wall, connecting dam and protection dam between there is first flow guide groove, protection dam and fixed retaining wall between there is second flow guide groove, second flow guide groove is provided with buffer assembly, buffer assembly includes movable retaining wall, arc buffer frame and buffer mechanism, movable retaining wall is inclined to mountain side by several buffer mechanisms and is set on fixed retaining wall, the side of second flow guide groove bottom close to fixed retaining wall has installation groove, arc buffer frame is installed in installation groove, there is support platform on installation groove, the lower end of movable retaining wall is abutted on support platform, and the side of arc buffer frame close to fixed retaining wall is set with movable retaining wall. When using the utility model, the impact of debris flow can be effectively resisted, the impact resistance is strong, and it is not easy to damage, and the safety of life and property in the downstream area can be effectively guaranteed.

This utility model discloses a high-efficiency, anti-clogging, internally inlet bar screen and bar screen cleaning machine, belonging to the technical field of wastewater treatment equipment. The bar screen of this utility model includes an outer frame plate and multiple first and second inserts detachably installed within the outer frame plate. All the first and second inserts are perpendicular to each other and cross-connected, with the gaps formed at the connections of the first and second inserts forming filter mesh holes. Both the first and second inserts are machined into a triangular prism structure, with the first inserts vertically inserted into the body of the second insert. The cutting edges of all the first and second inserts face the same side, forming the water-facing surface of the bar screen, while the opposite side forms the backwater surface. This utility model's bar screen features high-efficiency filtration, anti-clogging, impact resistance, low maintenance costs, long service life, and eliminates the need for frequent cleaning and replacement, significantly improving the operating efficiency and stability of the equipment.

The utility model relates to coal mine safety monitoring technical field especially, relate to a kind of explosion-proof and intrinsic safety type device for scraper chain detection, the device includes shell, lens shield, toughened glass, groove inner sealing gasket, red copper backing plate, pressing plate, machine core bottom plate, machine core vice plate, knurled copper column, rubber shock absorber, anti-explosion camera wiring board, epoxy adapter board, cable entry device, explosion-proof chamber and intrinsic safety circuit board assembly, toughened glass is set in shell front end, it is sealed installation by pressing plate and red copper backing plate, groove is embedded and is provided with sealing gasket;Camera module is fixed in machine core vice plate by damping structure, and is connected with outside by isolation column, cable entry device etc., the device has explosion-proof structure and intrinsic safety circuit, it is applicable to flammable and explosive environment such as coal mine underground, realize the real-time high-definition monitoring of the running state of scraper chain, with compact structure, installation is convenient, strong sealing, high safety level and other advantages.

This utility model relates to the field of threaded insert technology and discloses a locking type wear-resistant threaded insert. The present invention includes a threaded insert with a set of locking rings on both its upper and lower sides. A first wear-resistant anti-slip ring is placed on the outer side of the locking ring, and a second wear-resistant anti-slip ring is placed on the inner side wall of the locking ring. By setting the first and second wear-resistant anti-slip rings on the outer and inner sides of the locking rings on both sides of the threaded insert, this utility model achieves double contact between the insert and external objects, and between the insert and external bolts. The friction of the contact surfaces is significantly improved, effectively resisting vibration and impact, preventing loosening of the connection, and greatly improving locking stability. Furthermore, the first and second wear-resistant anti-slip rings are engaged and fixed to the locking rings through a "positioning pin and retaining ring" structure. After wear, there is no need to replace the entire insert; the old anti-slip ring can be directly removed and replaced with a new one, shortening maintenance time and reducing spare parts costs.