29results about How to "Impact resistance" patented technology

This invention discloses a mobile aluminum ladle baking device, relating to the field of metallurgical equipment technology. It includes a base frame, with a lifting unit and several support frames fixedly mounted on the upper end of the base frame. An installation unit is located on the front side of the lifting unit, and an igniter unit is fixedly connected to the bottom front side of the installation unit. A gas delivery unit is located on the upper part of the support frames, a gas control unit is located on the upper right side of the installation unit, and an air supply unit is located on the upper left side of the installation unit. This invention, through the base frame, electric forklift, traveling unit, and support units, achieves flexible movement, rapid positioning, and stable support of the device within the work area; the lifting unit enables precise lifting of the installation unit, igniter unit, gas control unit, and air supply unit; and the gas delivery unit, gas control unit, air supply unit, and igniter unit ensure safe gas delivery and precise gas-air mixing.

This application relates to the field of construction machinery, and discloses a fuel tank mounting structure for construction machinery and the construction machinery itself. The fuel tank mounting structure includes: a frame comprising multiple side plates and multiple support plates, the side plates being sequentially connected to enclose a fuel tank mounting area, and the support plates being sequentially and spaced along the circumference of the fuel tank mounting area on the inner side walls of the side plates; a fuel tank disposed in the fuel tank mounting area and comprising a fuel tank body and multiple tank support plates, the support plates being spaced along the outer circumferential wall of the fuel tank body, and the fuel tank body resting on the support plates via the support plates; and a fastening assembly for locking the support plates to their corresponding support plates. The fuel tank mounting structure and construction machinery of this application can reduce the difficulty of fuel tank installation and improve fuel tank stability.

This utility model discloses a wear-resistant trolley funnel liner. The liner includes a base layer and a weld overlay layer. The weld overlay layer is welded to the surface of the base layer. The base layer and the weld overlay layer are formed into an integral structure using a multi-layer weld overlay process. Each weld overlay layer is tightly bonded to the adjacent layer and the base layer, forming a continuous and dense composite structure. The base layer is made of low-carbon steel to ensure that the liner has sufficient strength and toughness to withstand material impact. The weld overlay layer is made of chromium carbide alloy to provide good wear resistance. The low-carbon steel of the base layer has good toughness and can absorb and disperse impact energy; while the chromium carbide alloy layer of the weld overlay layer has high hardness and can resist direct impact and wear from materials. This greatly enhances the impact resistance of the liner, reduces deformation and cracking caused by material impact, ensures the normal use of the funnel, and avoids environmental pollution and material waste caused by material leakage.

The utility model provides a cylindrical lithium ion electric core and battery pack, including metal shell, upper cover, lower cover, positive pole piece, negative pole piece, diaphragm, electrolyte and hollow tube, positive pole piece, negative pole piece and diaphragm are around the hollow tube winding setting, and the support structure around the hollow tube is set to the end of hollow tube, this scheme makes the structure of electric core inside more stable, and the hollow tube in the electric core increases the direct path of additional heat conduction, can promote the heat even distribution of electric core itself, can also effectively transmit the heat from the battery inside.

This utility model relates to the field of rope and cable splice technology, specifically disclosing an easy-to-install rope and cable splice, including: a splice body, and two threading holes respectively located at both ends of the splice body, with the two threading holes symmetrically distributed; the threading holes are fold-back through holes, with their inlet and outlet located on the same end face of the splice body, adapted for rope and cable to pass through and form a bending constraint section; two limiting mechanisms are correspondingly arranged in the threading holes; this utility model uses the fold-back threading holes to form a bending constraint section for the rope and cable, and uses the friction generated by bending to initially limit the slippage of the rope and cable; the first limiting head and the second limiting head form a stable clamping force on the rope and cable, and the multiple constraints work together to improve the constraint strength of the limiting area on the rope and cable, and can effectively resist axial tensile force and radial impact load.

The utility model relates to parking limiting device technical field, and disclose a kind of pre-buried anchoring type parking limiting device, including car stopper body, its top two sides are equipped with the fixed groove of opposite inclination 60 °, and fixed groove is set screw ground nail by fixed frame, limiting sliding slot, sliding block cooperation arrangement, top is also equipped with bolt hole and internal hexagonal bolt, bottom is equipped with rubber pad, two ends are equipped with reflective sticker, and the device is realized diagonal anchoring by opposite inclination fixed groove cooperation screw ground nail, and it is fixed in conjunction with internal hexagonal bolt on top up and down cooperation, compared with traditional surface fixed mode, significantly improve stability and anti-impact ability, internal hexagonal nut design facilitates installation and disassembly, reflective sticker enhances night warning, the device effectively solves the problems, such as traditional limiting device anchoring instability, insufficient buffering, installation and maintenance inconvenience, realizes the beneficial effect of efficient stable limiting, reduce maintenance cost, improve parking safety, with good application prospect and popularization value.

The utility model discloses a kind of safety devices of windproof pull rod with pull solid, including first pull rod, the both sides of the bottom of the outer surface of first pull rod are uniformly connected with first connecting piece by first bolt fixed connection, the top of first connecting piece inner side is rotatably connected with second connecting piece by second bolt.The safety device of windproof pull rod with pull solid, by the setting of first pull rod, second pull rod and third pull rod, first pull rod is connected with second pull rod by first connecting piece and second connecting piece, third pull rod is connected with first pull rod and second pull rod by third connecting piece and connecting ring, when three, can form stable triangle structure, to enhance the wind resistance of scaffold, second pull rod is arranged in parallel after rotating with first pull rod, third pull rod is housed to the middle of two, collapsible operation, can significantly reduce the space occupation of device in non-use state, avoid the mess caused by pull rod too long, reduce transportation volume, reduce transportation cost.

The utility model discloses an extraction tube based on a sludge dryer, and relates to the technical field of extraction tubes in sludge dryers, and the extraction tube is characterized by comprising a rotating frame and a workbench, a sliding rail is arranged on the workbench, limiting grooves are symmetrically arranged on the workbench at the position of the sliding rail, a protection box is connected in the sliding rail in a sliding mode, and the protection box is connected with the rotating frame in a sliding mode. The upper end of the protection box is connected with a handle, the protection box is provided with a pick-and-place mechanism, and the pick-and-place mechanism is used for installing the protection box on a workbench, so that the problems that in the background technology, the extraction pipe has the core function of automatically discharging condensate water, percolate or cleaning water, liquid cannot be normally discharged after blockage, and the operation is inconvenient are solved. The problems that liquid is accumulated in the equipment (such as a drying chamber, a condensing system or a collecting tank) due to the fact that the sludge enters the drying chamber, the effective drying area is reduced and the drying efficiency is reduced when accumulated liquid occupies the drying space, and the water content is increased and the product quality is influenced due to the fact that water retention possibly reversely permeates into the dried sludge are solved.

This invention discloses a riser drilling internal detector, comprising a drill pipe connection assembly, an instrument compartment, a support rod, a variable diameter spring assembly, and a sensor array. The instrument compartment is located at the bottom of the drill pipe connection assembly, and the variable diameter spring assembly is located outside the instrument compartment. The sensor array is mounted on the variable diameter spring assembly. The variable diameter spring assembly can deform to change its diameter to adapt to changes in the inner diameter of the riser main pipe. The sensor array can closely adhere to the inner wall of the riser main pipe. This invention aims to achieve real-time and efficient detection of the inner wall of a 21-inch riser main pipe using drilling technology. This device adopts a bow-spring type adaptive variable diameter structure, combined with a 24-channel metal magnetic memory sensor array. The internal detector's diameter change range is 480-510 mm, enabling high-resolution scanning of defects such as inner wall corrosion, cracks, and stress concentration in a dynamic drilling environment. This overcomes the problems of complex structure, limited diameter change range, and low detection efficiency in existing technologies.

The utility model relates to the field of machining, especially a clamp for grinding wheel polishing, including casing, connecting block, rotation axis, upper clamping block, lower clamping block etc.

The application discloses a kind of gob-side entry retaining support structure and construction method of steeply inclined coal seam fully mechanized working face.The support structure is arranged in the transport roadway near the side of goaf, including anchoring load-bearing parts, net body gangue retaining parts, restraint reinforcement, pre-stressed locking parts and flexible sealing material;Anchoring load-bearing parts are laid in the roof and bottom corner surrounding rock, net body gangue retaining parts are hung on the exposed section of anchoring load-bearing parts and cover along the whole height of roadway, restraint reinforcement is overlaid on the outside of net body and is connected with anchoring load-bearing parts, pre-stressed locking parts are set on the end of anchoring load-bearing parts and pre-tightening force is applied to form support base surface, and flexible sealing material is sprayed on the support base surface for sealing.The construction method includes drilling anchoring, hanging net body, installing restraint reinforcement, locking pre-tightening, spraying sealing.The application realizes the integration of support structure, has good gangue retaining and sealing effect, adapts to steeply inclined coal seam working condition, is convenient to construct and can be operated synchronously with mining, effectively improves the safety and reliability of gob-side entry retaining, and reduces the cost of mining.

This utility model discloses a railing device, relating to the field of railing technology. The device includes a post, a crossbar, and a wooden wedge-shaped locking strip. The post has a rectangular groove on its side; the crossbar has an insertion part at its end, with a wedge-shaped groove at its top; the locking strip has a right-angled trapezoidal cross-section and achieves mechanical self-locking by inserting its inclined surface downwards into the wedge-shaped groove. When the locking strip is inserted, its inclined surface presses against the inner wall of the wedge-shaped groove, forcing the insertion part to expand inwards and press against the inner wall of the rectangular groove, forming a horizontal compressive force; simultaneously, the top of the locking strip presses against the upper edge of the rectangular groove, resisting vertical pull-out force. This device uses an all-wood structure, eliminating the risk of corrosion from metal nails and extending its service life; at the same time, the wedge-shaped self-locking structure provides strong resistance to pull-out and impact, preventing loosening, and is suitable for outdoor scenarios such as parks and boardwalks.

The utility model discloses a flange connection sealing structure of multistage chimney belongs to chimney manufacturing technical field. The structure includes the upper section cylinder section and lower section cylinder section of coaxial connection, and its inner wall is equipped with annular perfusion storehouse, is enclosed by the bent inner ring plate of welding in the upper section cylinder section, the annular inner ring plate of fixed in the lower section cylinder section and the inclined guide ring plate, realizes the automatic positioning of cylinder section, and the perfusion storehouse injects the high temperature -resistant sealing material through the perfusion pipe of through chimney wall. Its advantage lies in: through the dynamic compensation installation deviation and thermal deformation of flexible sealing material, combines the guide positioning and reinforcing structure, and the sealing reliability and service life are improved significantly, and the technical defects that traditional flange sealing is easy to age and leak are solved.

The utility model discloses a high strength cable iron wood disc, including seamless steel pipe and carousel, the outer arc surface both sides of it are equipped with the installation groove, and the even distribution wood board is equipped between two installation grooves, the both ends of seamless steel pipe are all flared mouth shape, carousel: its fixed connection in the front and back side of seamless steel pipe respectively, and the even distribution support rod is equipped between two carousels, wherein: the thickness of wood board front and back two end plate body all are greater than the thickness of own middle part plate body, still include support axle, support axle fixed connection in the middle part between two carousels, this high strength cable iron wood disc, through steel wood composite structure, seamless steel pipe as core bearing component, both ends flared mouth shape design can disperse radial pressure, and wood board both ends thickening can avoid edge stress cracking, rigid and soft combination promote overall bearing capacity and anti -cracking ability, and the rolling stability is improved to resist cable gravity and impact expansion force.

This utility model relates to the field of power motor technology, specifically a floor scrubber motor, including a fixed base, a fixed connecting ring, a stator assembly, a shaft assembly, a rotor housing, and a rotor assembly. One end of the fixed base has a connecting part that connects to the fixed connecting ring. The stator assembly includes a stator frame and stator windings, with the stator windings mounted on the stator frame. The inner diameter of the stator frame is used to connect the connecting part to the fixed connecting ring. The shaft assembly is mounted on the fixed connecting ring and connected to the rotor housing. The rotor assembly is mounted on the inner wall of the rotor housing and is opposite to the stator assembly. The inner diameter of the stator frame in this utility model securely connects the fixed connecting ring and the connecting part, forming a stable overall structure. During high-speed motor operation, it effectively resists vibration and external impact, reduces relative displacement and loosening between components, and ensures the overall reliability and durability of the motor.

The application provides a light emitting structure and a light emitting device. The light emitting device comprises a circuit substrate and a plurality of light emitting structures. Each light emitting structure is attached to the circuit substrate. The light emitting structure comprises an LED light source and a lens. The lens and the LED light source are connected into one body by means of secondary injection molding. The LED light source is embedded in the lens. The LED light source has a solder pad. The solder pad is exposed to the lens so as to attach the light emitting structure to the circuit substrate. Before the light emitting structure is attached to the circuit substrate, the LED light source and the lens are connected into one body by means of secondary injection molding. Therefore, the manufacturing efficiency and the manufacturing precision of the light emitting device are improved.

The utility model relates to a portal jib crane amplitude-variable mechanism Beidou positioning detection device, include: main machine, main antenna and from antenna, main antenna and from antenna are connected through a root feeder main machine respectively, main antenna and from antenna are installed in the both sides of mounting support respectively, mounting support is installed on the protective fence of portal jib crane through the connecting support, the protective fence is set up horizontally, the protective fence and mounting support are fixed in the multiple adjustable hole positions on connecting support. The utility model has the beneficial effects that the high-precision positioning directional function of Beidou positioning main machine is utilized, in combination with the setting of double antenna of main antenna and from antenna, the positioning data of gate machine amplitude-variable mechanism can be accurately obtained, and the accuracy and reliability of positioning data are ensured, through the adjustable hole position design on the connecting support, the position and angle of main antenna and from antenna can be conveniently adjusted, and it is ensured that they are fixed in the same plane, same height.

The utility model provides a kind of alloy cutter of multilayer hard coating structure, including cutter blade main body, the cutter blade main body center is passed through and is provided with mounting hole, its upper and lower surfaces are respectively provided with chip groove and anti-sticking protrusion;The surface of the cutter blade main body is provided with base coating, and the upper and lower surfaces are sequentially provided with stepped transition coating and hard coating on the base coating basis, and the side of the cutter blade main body is provided with heat dissipation hard coating;The utility model is different surface of cutter and is differentiated with coating: upper and lower surfaces are connected base coating and hard coating with stepped transition coating, and the combination strength and wear resistance are improved;Side is provided with thicker heat dissipation hard coating, and high-efficiency heat conduction is realized;“wear-resistant-heat dissipation” is coordinated, and service life is prolonged.

The utility model discloses a new energy automobile front upper cross beam relates to new energy automobile structural component technical field, solves the current new energy automobile front upper cross beam, difficult to realize lightweight at the same time, difficult to keep the technical problem of better support effect, including upper cross beam, the inside of upper cross beam is hollow structure, and the bottom surface is equipped with a plurality of mounting slots, reinforcing buffer structure, reinforcing buffer structure includes a plurality of fixed mounting in the connecting block of upper cross beam bottom mounting slot, fixed mounting in the pressure block of upper cross beam top surface inner wall and respectively corresponding each connecting block and fixed mounting between each pressure block and connecting block buffer compression spring, the utility model discloses a plurality of reinforcing buffer structure are designed in upper cross beam, when upper cross beam in the use process, this design makes upper cross beam adopt hollow structure to realize the lightweight of car body at the same time, can also satisfy the demand of good support and buffer effect, thereby effectively improves the service life of upper cross beam.

This invention relates to a high-wear-resistant modified phenolic resin material for guide rings and its preparation process. The high-wear-resistant modified phenolic resin material for guide rings is prepared from the following raw materials in parts by weight: 100 parts linear phenolic resin, 20-35 parts polyimide prepolymer, 20-45 parts reinforcement, 10-25 parts wear-resistant filler, 1-3 parts silane coupling agent, and 8-12 parts curing agent; the polyimide prepolymer is prepared by reacting pyromellitic dianhydride with 4,4'-diaminodiphenyl ether; the high-wear-resistant modified phenolic resin material for guide rings prepared by this invention exhibits excellent high-temperature wear resistance.

The utility model discloses a detachable coating hanger positioning pin structure relates to coating technical field. This detachable coating hanger positioning pin structure, including mounting bracket, is provided with positioning pin mechanism and reinforcing mechanism under mounting bracket, positioning pin mechanism includes the positioning pin, the fixed frame is fixedly arranged on mounting bracket bottom surface, and the outer wall of fixed frame is connected with the inside slide of positioning pin, and the technical effect is that positioning pin mechanism realizes accurate orientation and primary positioning through the slide of fixed frame and the inside of positioning pin, and the reliable mechanical connection is formed to the quick and accurate slide of drive plug -in block into the slot in cooperation extrusion spring and extrusion damper, which realizes the quick installation and dismounting of positioning pin, overcomes the complex problem of traditional positioning pin installation and dismounting, guarantees coating production line efficient operation, and can also push the plug -in block firmly into the slot by the thrust of extrusion spring initial extension state, ensures that positioning pin is stably fixed under mounting bracket.

The utility model relates to a broken machine technical field, the utility model provides a single tooth roll crusher grate, it includes base, the base, the top wall left side fixedly connected with the frame of base, the top of frame is provided with single tooth roll axle, the inner wall equidistance of frame is provided with a plurality of broken plates, the inside of frame is provided with fixed mechanism, the fixed mechanism is used for fixing broken plate, the top wall mounting of base has the support dismounting mechanism, the support dismounting mechanism is used for supporting single tooth roll axle and is convenient for dismounting, the fixed mechanism includes T block, in the utility model, the T block before and after broken plate slides into the slide groove of frame, and the broken plate is positioned initially, then the bolt passes through T block and is screwed into the thread hole of slide groove, and the bolt extrudes spring and fixes the broken plate stably, then the bolt passes through the frame and inserts into the T block outer wall circular groove and restricts displacement, can resist the high frequency impact and vibration when breaking, avoids the broken plate loosening or displacement.

The application relates to the technical field of fire extinguishing agents, and particularly discloses a foam fire extinguishing agent compounded by anionic Gemini surfactants and a preparation method thereof, which comprises the following components in percentage by mass: 5-15% of anionic Gemini surfactants; 0.5-3% of fluorocarbon surfactants; 3-9% of hydrophilic monomer oligomers; 2-5% of zwitterionic surfactants; 1.0-2.5% of nonionic surfactants; 3-12% of anti-burning agents; 2-7% of cosolvents; and the balance of water. The biodegradable short-chain fluorocarbon surfactants are precisely compounded with anionic Gemini surfactants of specific structures, hydrophilic monomer oligomers and the like, and a preparation process of step-by-step construction is adopted, so that the environmental friendliness is remarkably improved, the performance of the fire extinguishing agent is comprehensively broken through, the water film on the oil surface is ensured to be rapidly spread and rapidly extinguished, the foam covering layer is endowed with super-strong mechanical stability and thermal stability, the anti-reignition time is greatly prolonged, and the purposes of efficient fire extinguishing, long-lasting anti-burning and environmental friendliness are finally achieved.

The utility model relates to stud fast positioning technical field especially relates to a combined stud fast positioning locking device, including installation sleeve and the part to be locked, stud, be provided with the clamping mechanism for providing the supporting force from below to above in installation sleeve, install the down -pressing mechanism for providing the down -pressing force to the part to be locked in installation sleeve, and the down -pressing mechanism cooperation clamping mechanism carries out the up and down two point extrusion to the part to be locked. The utility model discloses through rotating circular extrusion and poking the traction rod, can drive six contact points of up and down simultaneously to complete preliminary fixation in a few seconds. And help to reduce operation step and time, effective realization fast positioning. Simultaneously makes the part to be locked fixed in the middle, and forms rigid connection with installation sleeve. Can effectively resist vibration and impact, prevent the part to be locked to sway or stud deviation when stud connection rotary connection, help to improve the stability of connection.

This utility model discloses a prefabricated assembled building curtain wall, belonging to the field of building curtain walls. It includes a building curtain wall body, with a limiting rod fixedly connected to one side of the body. Through the coordinated use of these devices, it can be conveniently and quickly fixed to the building body using bolts and other fasteners, providing a stable foundation for subsequent installation of the curtain wall body. The curtain wall body is initially movably connected to the limiting rod on one side of the curtain wall body via a snap-fit ​​opening on a snap-fit ​​plate. Then, by rotating a threaded rod movably connected to a nut, the threaded rod moves towards the building curtain wall body using threaded transmission, applying a pushing force to the snap-fit ​​plate, thereby firmly fixing the curtain wall body. This installation method is simple to operate, requires no complex construction processes, greatly shortens the construction cycle, and ensures the stability and reliability of the curtain wall body installation, reducing safety hazards caused by insecure installation.

This utility model relates to the field of dartboard technology, specifically to a portable foldable dartboard. It features a rotatable connection between one end of each of the fan-shaped plates and the inner wall of each of the support grooves. Folding straps are fixedly connected between adjacent pairs of fan-shaped plates. A fixing plate is bolted to one side of each fan-shaped plate, and a support rod is provided at the bottom of each fixing plate. An adsorption plate is fixedly connected to the bottom end of each support rod. This design achieves a foldable main structure for the dartboard, solving the problems of fixed structure, large size, difficulty in storage, and inconvenience in carrying existing dartboards. When not in use, the dartboard can be folded into a long, thin cylinder, significantly reducing its overall space occupation. This allows users to easily store or carry it in a storage tube, greatly improving the portability and space adaptability of the device.

The utility model discloses a kind of siphon device systems, belong to sewage treatment technical field. Including shell, the inside of shell is equipped with membrane module, membrane module includes membrane shelf, membrane curtain and water collecting main, water collecting main is fixedly connected with suction pipe, the end of suction pipe away from membrane module is connected with flow guide pipe, flow guide pipe and suction pipe constitute siphon pipeline, shell is inner closed shell, space is left between water body liquid level in shell and shell top layer, form air chamber. The utility model is formed by liquid level difference and air chamber positive pressure to form siphon negative pressure, without traditional suction pump, water production of membrane module can be realized, the design that flow guide pipe outlet is lower than shell liquid level, utilize gravitational potential energy to convert into kinetic energy, realize sustained unpowered drainage, the volume of air chamber is adjusted by air cylinder linkage lower pressing plate, according to the batch dynamic adjustment air chamber volume of water intake, realize the pressure fluctuation caused by balance due to liquid level rise and fall, maintain transmembrane pressure difference stability.

The application discloses a building formwork installation error compensation device, which comprises a bottom plate, a support assembly, a transverse sliding assembly and a longitudinal sliding assembly. The support assembly comprises a plurality of sliding plates, the sliding plates are provided with formworks, the formworks are movably connected with inserting rods through cylinders, the inserting rods are provided with sleeve rings with connecting rods, and the inclined surfaces of the end portions of the connecting rods support the four corners of the inner walls of the formworks to provide internal support. The transverse sliding assembly comprises fixed strips fixed to the upper surfaces of the sliding plates and notches at the bottoms of the formworks, and the transverse position adjustment and fixation of the formworks are realized through U-shaped blocks and screw rods. The longitudinal sliding assembly comprises U-shaped frames on the bottom plate and grooves at the bottoms of the sliding plates, the U-shaped frames are provided with extruding blocks and inserting plates, the inclined grooves on the inserting plates are matched with the extruding blocks, and the longitudinal movement and positioning of the sliding plates are realized. The device can effectively compensate for the transverse and longitudinal errors of the building formwork during the installation process, and improve the installation precision and efficiency.