17results about How to "Large deformation space" patented technology

The invention belongs to the technical field of underground gas storage, and particularly relates to a long-term efficient hydrogen storage composite lining structure for an underground rock cavern and a preparation method of the long-term efficient hydrogen storage composite lining structure. The long-term efficient hydrogen storage composite lining structure for the underground rock cavern comprises surrounding rock and an internal composite structure of the surrounding rock. The surrounding rock reinforcing layer is formed by pressure pre-grouting in surrounding rock and can resist tensile stress transmitted to the surrounding rock by internal air pressure and enhance air tightness; the permeable layer is arranged on the inner side of the surrounding rock reinforcing layer and can discharge underground water to prevent hydrostatic pressure from causing extrusion deformation damage to the concrete bearing layer during construction and causing instability of the sealing steel lining; the reinforced concrete bearing layer is arranged on the inner side of the permeable layer and the outer side of the slip layer, and micro self-healing capsules capable of repairing cracks and enhancing sealing performance are evenly added in the injection molding process; the anti-drag sliding layer is arranged between the steel lining and the bearing layer and inhibits shear damage of the sealing steel lining to the bearing layer under high internal pressure; the steel lining sealing layer is arranged on the inner side of the sliding layer to bear part of gas load and seal gas.

A switching device includes a lower cover, an upper cover, a slider, at least one elastic element, and a high-impedance conductive plate. The lower cover is disposed on a circuit board. The upper cover is disposed on the lower cover. The upper and lower covers form an accommodating space. The slider passes through the upper cover and is configured to slide relative to the upper cover in one direction. At least one elastic element is located in the accommodating space. The high-impedance conductive plate is connected to one end of the at least one elastic element. The high-impedance conductive plate deforms upon receiving pressure from the slider. The deformation causes a change in the resistance value of the high-impedance conductive plate. The high-impedance conductive plate generates a switching signal in response to the deformation. The deformation is associated with the resistance value of the high-impedance conductive plate. The switching device of the present invention can generate a switching signal between a pressed state and a non-pressed state, thereby increasing the flexibility and possibilities of keyboard key applications in the e-sports field.

The present invention discloses a control device for power transmission and distribution equipment, including a control device assembly, the control device assembly including a housing component and a controller, the housing component including an inner housing, an outer housing, a protective glass sheet and an elastic button, one end of the outer housing is slidably connected to the inner wall of the inner housing, and is clamped and fixed to the inner wall of the inner housing through a clamping mechanism; a boss is fixedly connected to the inner wall of the outer housing, and the controller is fixedly connected to the top of the boss; the protective glass sheet and the elastic button are respectively arranged on the surface of the outer housing, and the outer housing includes an outer wear-resistant plate, a middle moisture-proof plate, an inner heat insulation plate and a substrate. Thus, the controller is fixedly connected to the boss on the inner wall of the outer housing, and such a design enables the outer housing to form a spaced housing structure. When the outer housing is subjected to external impact, the spacing between the controller and the inner wall of the outer housing provides a larger deformation space for the outer housing, which can effectively reduce the potential damage of the external force to the controller, thereby improving the use effect and reliability of the product.

The invention belongs to the technical field of coal mine safety, and particularly relates to a cave-making and circulating heat injection rapid cross-cut coal uncovering method, which comprises the following steps of: firstly, constructing a plurality of drill holes in front of a coal uncovering working surface, performing cave-making operation on coal sections of the drill holes by utilizing a cave-making drill bit, and putting extraction pipes into the whole hole sections in the drill holes; a movable coal seam heating and water injection system is connected with an extraction pipe to continuously inject high-temperature hot water into a drill hole, after heat exchange of coal and water in the drill hole for several hours, the movable coal seam heating and water injection system is disconnected, water in the drill hole is discharged, and the water in the drill hole is thoroughly discharged after repeated water injection and disconnection circulation. According to the method, multiple purposes are achieved through one hole, the drilled hole for construction is firstly used for hole forming, then is used for circulating heat injection and finally is used for gas extraction, hole forming and circulating heat injection are combined, the gas extraction effect can be greatly improved, the gas extraction efficiency is improved, and the method has the advantages that the construction cost is reduced, and the construction period is shortened. The purposes of enhancing extraction promotion, rapidly reducing the gas content in the coal uncovering area and eliminating outburst danger are achieved.

The present invention relates to a tire structure, which includes a tire body, wherein the tire body is provided with a tread, a sidewall connecting two ends of the tread, and a tire lip connecting the sidewall; the tire body is provided with a plurality of chambers opening toward the inside, and the plurality of chambers are evenly arranged along the circumference of the tire body; a partition is provided between two adjacent chambers, and a through hole connecting the two adjacent chambers is formed at one end of the partition close to the tread. The present invention increases the deformation space of the tire by arranging a plurality of chambers in the tire body, thereby enhancing the shock absorption effect of the outer tire.

The utility model provides a kind of combined disc spring device's assembly structure, belong to disc spring assembly technical field, the assembly structure of this combined disc spring device, including disc spring body, compression sleeve ring and positioning pin, disc spring body is conical platform and is provided with central through-hole in center, the outer circumferential edge of disc spring body forms annular pressure surface downward, compression sleeve ring is circular ring structure and is sleeved in the outside of disc spring body, annular gap is formed between the inner circumferential surface of compression sleeve ring and the outer circumferential surface of disc spring body, positioning pin is arranged on the side wall of disc spring body, one end of positioning pin is fixed on disc spring body, the other end of positioning pin extends to the inside of compression sleeve ring and is abutted with the inner circumferential surface of compression sleeve ring, the upper end surface of compression sleeve ring is provided with annular boss, annular boss is evenly distributed with limit groove along the circumferential direction of compression sleeve ring, the extension end of positioning pin is inserted into limit groove, pre-compression space is formed between the lower end surface of disc spring body and the inner circumferential bottom surface of compression sleeve ring.

The utility model provides a kind of robot sole and robot, robot sole includes tip, sole main body and elastic member;Tip and sole main body are rotatably connected, so that robot sole has passive degree of freedom in walking process, improve the stability and flexibility of robot walking.Elastic member is rotatably connected with tip and sole main body respectively, the rotating direction of sole main body relative to tip is same with the rotating direction of elastic member relative to tip and sole main body;Elastic member is deformable in the direction from the one end of sole main body towards tip to the one end of sole main body away from tip.Elastic member can be deformed to play the role of buffering, effectively absorb the impact force generated in the instant of landing, reduce the noise generated when walking.Elastic member deforms along the length direction of robot sole, and the deformation space is larger, which can provide greater range of buffering force, reduce the overall thickness size of robot sole, and can be adapted to more models and sizes of robot, improve the scope of application.

This invention discloses a method and mold for cryogenic pressure forming of a large, high-strength cylindrical ring structure, relating to the field of metal sheet forming technology. The forming method includes: Step 1, determining the initial dimensions of the cylindrical ring blank and the required forming temperature based on the shape, size, and performance indicators of the target cylindrical ring structure; Step 2, cutting the flat plate, rolling and welding it into a straight-walled cylindrical ring blank; Step 3, placing the cylindrical ring blank in a mold, filling the space between the cylindrical ring blank wall and the mold with a cryogenic medium and applying pressure, causing the cylindrical ring blank to undergo plastic deformation under cryogenic conditions until it adheres to the mold surface, thus obtaining a cylindrical ring structure with weld seam reinforcement consistent with the base material. The solution provided by this invention can improve the performance and manufacturing efficiency of large cylindrical ring structures and reduce manufacturing costs.

This utility model discloses an automotive energy-absorbing device, a vehicle body frame, and a vehicle. The automotive energy-absorbing device is installed between a crash beam and a longitudinal beam, and includes a telescopic energy-absorbing box and a drive assembly. One end of the telescopic energy-absorbing box is connected to the crash beam, and the other end is connected to the drive assembly. The end of the drive assembly away from the telescopic energy-absorbing box is connected to the longitudinal beam. After receiving a collision risk signal, the drive assembly controls the length of the telescopic energy-absorbing box in the longitudinal beam direction. In this embodiment, when a collision between the vehicle and an obstacle is detected, the drive assembly controls the telescopic energy-absorbing box to lengthen in the longitudinal beam direction. When the obstacle collides with the vehicle, the obstacle first contacts the crash beam, causing the crash beam to deform. Then, the telescopic energy-absorbing box undergoes crush deformation. By increasing the deformation space of the vehicle when the obstacle collides with the vehicle, the risk of injury to the occupants during a high-speed collision is reduced.

The utility model discloses a steel pipe supporting structure and a central air conditioner in the technical field of air conditioning equipment, the steel pipe supporting structure comprises a water pipe, a supporting piece, a fixing piece and a bottom plate, the supporting piece is installed on the bottom plate and supports the water pipe, the fixing piece fixes the water pipe on the supporting piece, the fixing piece comprises an upper damping block, a lower damping block and a hoop, and the upper damping block is connected with the lower damping block. The upper damping block is arranged on the upper portion of the water pipe, the lower damping block is arranged between the water pipe and the supporting piece, a first groove is formed in the lower end face of the upper damping block, a second groove is formed in the upper end face of the lower damping block, and the first groove and the second groove make contact with the surface of the water pipe in a matched mode. The upper damping block and the lower damping block are hooped, so that the first groove and the second groove are in tight contact with the water pipe, and the lower end of the hoop is fixedly connected with the supporting piece. The anti-rust paint on the surface of the water pipe is prevented from being abraded and falling off, the water pipe is prevented from rusting and corroding to leak water, and internal elements of the heat exchanger are protected.

The invention relates to the technical field of medical instruments, and provides a sternum dilator. Comprising a guide plate, the guide plate is provided with a first distraction arm and a second distraction arm, and the distance between the first distraction arm and the second distraction arm is adjustable; a first limiting assembly is arranged on the first distraction arm, a second limiting assembly is arranged on the second distraction arm, and the first limiting assembly and the second limiting assembly are symmetrically arranged; a first U-shaped seat and a second U-shaped seat in the first limiting assembly can get close to each other or get away from each other in the axial direction of the first distraction arm, and the opposite ends of the first U-shaped seat and the second U-shaped seat can deform; a third U-shaped seat and a fourth U-shaped seat of the second limiting assembly can get close to or get away from each other in the axial direction of the second distraction arm, and the opposite ends of the third U-shaped seat and the fourth U-shaped seat can deform. The sternum distraction device has the advantages that elastic deformation of the flexible units can adapt to the shape of the sternum distraction position, the supporting strips on the four U-shaped seats can deform after being subjected to acting force of sternum, and an operation can be conducted conveniently.

A flushing valve device is internally provided with a first channel and a second channel which are sequentially arranged in a communicating mode in the water flow direction, and a guide face for guiding water flow from the first channel to the second channel is arranged at the section difference position of the first channel and the second channel, so that when water in the first channel impacts the guide face, the water flow direction of the water is changed; the vortex ring generated in the flow channel and the force opposite to the water flow direction are reduced, and therefore the flow rate and the flow velocity are increased.

This utility model discloses a running shoe with an elastic spherical sole, belonging to the field of footwear technology. The shoe includes an upper and a sole. The sole includes a midsole and an outsole. The outsole is disposed at the bottom of the midsole, and the upper is connected to the top of the midsole. The midsole includes a base and an elastic mechanism. The elastic mechanism is disposed at the heel of the base and includes a base and an elastic support. The base has a V-shaped opening at the heel, and the elastic support is disposed within the V-shaped opening. This utility model provides deformation space at the heel of the midsole by providing a V-shaped opening at the high point of the heel. By filling the V-shaped opening with an elastic support, the midsole can provide better elasticity at the high point of the heel, giving the sole excellent rebound and shock absorption performance.

The utility model discloses a kind of strong rubber shoe soles of resilience, including shoe sole body, the shoe sole body bottom is equipped with several massage protrusions, and several massage protrusions are evenly arranged, each the massage protrusion has a round hole, the round hole extends from massage protrusion middle part downward and penetrates massage protrusion bottom. The utility model is equipped with several massage protrusions, when user presses shoe sole, massage protrusion can top pressure user sole, reaches the effect of foot massage, improves the comfort of user, and several massage protrusions are equipped with round hole, increase the deformation space of massage protrusion, improve the effect of resilience, guarantee the quality feeling of pressing.

The utility model discloses a rotary transformer framework structure, and particularly relates to the technical field of sensor manufacturing, the rotary transformer framework structure comprises a circular part and a square part, a plurality of winding installation parts are fixedly installed on the inner surface of the circular part in an annular array mode, and a plurality of binding posts are further fixed to the side, close to the circular part, of the upper end of the square part. A plurality of inserting holes are further formed in the side, away from the circular part, of the upper end of the square part, a plurality of vertically-arranged clamping ribs are further fixed to the side walls of the inserting holes, and a flow guide groove is further formed in the upper end of the square part. According to the framework structure of the rotary transformer, the design of the clamping ribs is adopted, friction can be increased after a signal line is installed, the signal line is not prone to falling off, meanwhile, the clamping ribs can increase the deformation space of the signal line, and after the skin and the square portion of the signal line expand due to temperature changes, the signal line can be prevented from falling off. And the skin part can enter the gap of the clamping rib, so that the signal line is fixed more firmly.

The embodiment of the utility model provides a shaft sleeve, a shaft body kit and tufting equipment. The shaft sleeve comprises a connecting part and a deformation part, the connecting part is provided with a mounting hole, the mounting hole penetrates through the two opposite sides of the connecting part in the first direction, the shaft body penetrates through the mounting hole, and the radial size of the mounting hole is larger than that of the shaft body. The deformation part is connected to the connecting part, has flexibility or elasticity and is used for abutting against the shaft body. Wherein at least part of the deformation part is located outside the mounting hole, and the part, used for abutting against the shaft body, in the deformation part is located outside the mounting hole. According to the technical scheme, the requirement for the machining precision of the shaft body sleeve piece is lowered, the shaft body sleeve piece can operate normally, and using noise is reduced.