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50results about How to "Short sliding distance" patented technology

Automatic crystal blank polishing and burnishing system and docking mechanism thereof

The invention discloses a docking mechanism, comprising a docking machine frame, wherein a docking position, a switching position, a powder soaking position and a transition position are arranged on the docking machine frame; the docking bracket is fixedly mounted in the docking position, a docking component is arranged on the docking bracket, and the docking component comprises an upper sliding fixture seat and a lower fixed fixture seat; a switching bracket is arranged in the switching position, the switching bracket is driven by a switching bracket driving device to rotate around a horizontal shaft, and an upper fixture fixing part and a lower fixture fixing part are arranged on the switching bracket; a powder soaking component is arranged in the powder soaking position; a first fixture placement rack is arranged in the transition position; and the docking mechanism also comprises a first front-and-back transfer mechanism and a second front-and-back transfer mechanism. The invention also discloses an automatic crystal blank polishing and burnishing system adopting the docking mechanism. According to the technical scheme, the docking precision and the bonding firmness of crystal blanks are guaranteed, the docking working position is reasonable in structure, and the docking efficiency and the processing efficiency of the whole automatic polishing and burnishing system are improved.
Owner:虞雅仙

Simply supported structure bridge horizontal swivel construction system and method

The invention discloses a simply supported structure bridge horizontal swivel construction system and a simply supported structure bridge horizontal swivel construction method. The system comprises a beam body, two bridge piers, at least one temporary pier, a slide way beam and a pushing device, wherein the beam body is provided with a fixed end and a movable end; the two bridge piers comprise a first bridge pier and a second bridge pier; the fixed end is supported on the first bridge pier; a rotary supporting seat is arranged below the fixed end; one end of the slide way beam is supported onthe temporary pier, and the other end of the slide way beam is supported on the second bridge pier; the movable end is supported on the slide way beam; and the pushing device is arranged on the slideway beam. During horizontal swivel construction, the pushing device pushes the movable end to slide on the slide way beam so as to push a beam body to a design position; because the beam body has thesame stress condition as that of a design operation stage, the method is suitable for construction of various bridges and has high universality; meanwhile, the system and the method have the advantages of low requirement on sites, short sliding distance of the movable end of the beam body and less construction of a temporary structure.
Owner:CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD

Wedge-shaped debris flow-dividing blocking device and construction method thereof

The invention discloses a wedge-shaped debris flow-dividing blocking device and a construction method thereof. The device comprises a circular-arc-shaped blocking wall and two wing-shaped blocking walls. The circular-arc-shaped blocking wall is located at the foremost end of the whole device, and the wing-shaped blocking walls are fixed to the two sides symmetrically. Unbonded prestress systems are arranged in the circular-arc-shaped blocking wall and the wing-shaped blocking walls correspondingly. Each unbonded prestress system comprises a plurality of vertical unbonded prestress stranded steel wire devices which are composed of stranded steel wires, anchorage devices and corrugated pipes. Foundation slabs are arranged at the bottoms of the circular-arc-shaped blocking wall and the wing-shaped blocking walls correspondingly, and uplift pile foundations are additionally arranged under the foundation slabs provided with the unbonded prestress systems correspondingly. According to the device and method thereof, the unbonded prestress systems are arranged in the large stress areas, a good energy consumption effect is achieved, and dynamic response of the whole device is reduced. Whenthe device is impacted by debris, the flowing direction of the debris can be changed while the stability of the device is guaranteed, the impact energy is dissipated, and the safety of significant buildings or structures behind the device is guaranteed.
Owner:ZHEJIANG UNIV

Drilling device with cooling function for rotary platform machining of excavator

The invention discloses a drilling device with a cooling function for rotary platform machining of an excavator. The drilling device comprises a machine body, a working platform, fixing mechanisms, a first mounting plate, a first electric sliding rail, a second electric sliding rail, a third electric sliding rail and a cooling mechanism, a placing groove is formed in the machine body, and the working platform is fixedly connected with the machine body in a welding mode. A groove is formed in the working platform, the fixing mechanisms are arranged on the two sides of the working platform, the first mounting plate is arranged at the top end of one supporting plate, the first electric sliding rail is arranged above the first mounting plate, the second electric sliding rail is arranged above a second mounting plate, and the third electric sliding rail is arranged below the supporting plates. The cooling mechanism is arranged below a third sliding block. According to the drilling device with the cooling function for rotary platform machining of the excavator, the fixing mechanisms and the cooling mechanism are arranged, excavator rotary platforms of different sizes can be conveniently fixed through the fixing mechanisms, and cooling can be conveniently conducted through the cooling mechanism during drilling.
Owner:徐州维尔德科技发展有限公司

Hip joint bone cement interval blister mould

The invention relates to the technical field of cement interval forming, and discloses a hip joint bone cement interval blister blister mold which comprises a lower mold body, a cavity is formed in the lower mold body, a sliding opening is formed in the inner wall of the cavity, a radian adjusting mechanism is arranged in the lower mold body, and the radian adjusting mechanism comprises a cavity formed in the lower mold body. The cavity is communicated with the sliding opening, a motor is fixed in the cavity, a cylinder is fixed to the driving end of the motor, a telescopic rod is fixed to the end, away from the motor, of the cylinder, a frame is fixed to the driving end of the telescopic rod, and a plurality of connecting rods are fixed to the outer wall of the frame. The circular plate is replaced according to the requirement for the radian of the hip joint, the radian of the formed cement interval is changed, the applicability is higher, meanwhile, after the circular plate is replaced, self-adaptive change of the moving distance of the sealing plate is automatically conducted, the sealing performance between the sliding opening and the circular plate is guaranteed, and the sealing effect is better. Swing of the swing rods accelerates demolding of the cement intervals.
Owner:源利腾达(西安)科技有限公司 +1

Method for regulating and controlling surface charges of polymer through infrared light

The invention relates to the technical field of friction reduction and wear resistance, and provides a method for regulating and controlling surface charges of a polymer through infrared light. A photothermal conversion material and a polymer are used as raw materials to prepare a polymer composite film, and then infrared light is used for irradiating the polymer composite film. After irradiation by the infrared light, the temperature of the photothermal conversion material rises, hot electron emission is generated, and hot electrons in an excited state can migrate to the surface of the polymer. When the surface of the polymer is positively charged, the hot electrons migrated to the surface are neutralized with the positive charges, so that the number of the positive charges is reduced; and when the surface of the polymer is negatively charged, the hot electrons migrated to the surface and electrons on the surface are superposed, so that the number of the negative charges is increased. The method for regulating and controlling the surface charges of a polymer is novel, and the photo-thermal conversion material is industrially produced at present, is wide in source and has a wide application prospect in the field of friction reduction and wear resistance.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1

Loading wheel suitable for bumpy road surface

The invention discloses a loading wheel suitable for a bumpy road surface, which relates to the technical field of wheels. The loading wheel suitable for a bumpy road surface comprises a front wheel,a front fork, rotating discs and telescopic supporting wheels. A supporting part is arranged at the bottom of the front fork; the supporting part is provided with an arc-shaped supporting plate; a through hole is formed in the center of the rotating disc; the two ends of the axle penetrate through the through holes. Rotating discs are fixed to the two side faces of the supporting ring. Sliding grooves are arrayed in the peripheral side face of the rotating disc, and the straight line where the sliding grooves are located is separated from the center of the rotating disc. The interior of the sliding groove is fixed to a telescopic device, and the telescopic device is fixedly connected with the telescopic supporting wheel; the telescopic supporting wheel comprises a pulley and a supporting rod; the pulley is fixed at the bottom of the supporting rod; a limiting supporting column is fixed to the supporting rod; the peripheral side face of the limiting supporting column is matched with thearc-shaped supporting plate. Under the action of the rotating disc and the telescopic supporting wheel, the bumping degree is greatly reduced, the comfort degree is improved, the telescopic supporting wheels and the tires on the two sides can serve as three-point supports, the contact area with the ground is increased, and sideslip is not likely to happen relatively.
Owner:芜湖辉林奥远自动化科技有限公司

Yarn breakage automatic stop system of double-control type ring spinning machine

The invention discloses a double-control type ring spinning machine yarn broken end automatic stop system, an automatic stop device and a control device, the control device controls the automatic stop device to cut off transmission contact between yarn and rollers, the rollers comprise a front roller, a middle roller and a rear roller, the automatic stop device comprises a push plate sliding in a fixed sliding way, and the push plate is connected with the middle roller and the rear roller. The push plate is connected with a supporting plate in a sliding mode, the top of the supporting plate is hinged to an arc-shaped wedge, the arc-shaped wedge is arranged on the roller in a sleeved mode, and the push plate, the supporting plate and the wedge form a double-swing-rod sliding block mechanism or a three-swing-rod sliding block mechanism with the roller as a fulcrum. The device has the beneficial effects that the supporting plate slides and is hinged to the arc-shaped wedge, so that the rotating angle of the arc-shaped wedge on the rollers is increased, the middle roller and the rear roller are stopped at the same time, or the front roller, the middle roller and the rear roller are stopped at the same time, and the situation that the yarn between the rear rollers is stretched and thinned after the yarn is broken is avoided.
Owner:PINTER YUHUA CHINA TECH CO LTD

A kind of pouch battery lamination hot pressing device

The invention discloses a pouch battery lamination heat-pressing device, which comprises a frame, a lamination part and a heat-pressing part arranged on the upper end of the frame, the lamination part includes a bracket slidingly connected with the frame, and the support The upper end is provided with a line body, the upper end of the line body is provided with a push plate, and the push plate is slidably connected with the bracket through the second linear motion device, and the hot pressing part includes a support frame, and the support frame is arranged at the upper end of the frame and is far away from the frame. On one side of the push plate, the support frame is provided with a hot-press top plate and a heat-press bottom plate. The heat-press top plate is located above the heat-press bottom plate and is connected to the support frame by sliding up and down through the first linear motion device. The present invention can quickly Efficient stacking of cells, the stability of the position of the cells during the stacking process, and the transfer of the cells from the stacking part to the hot pressing part can effectively prevent dark marks during the transfer of the cells Or wrinkle phenomenon, which ensures the uniformity of hot pressing and improves the production quality of battery hot pressing.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

A green belt parking and moving device

The invention relates to the technical field of parking devices for green belts, in particular to a parking and moving device for green belts, which includes a lifting top seat, an X-shaped lifting frame is arranged under the lifting top seat, and a lifting base is arranged under the X-shaped lifting frame. There is a hydraulic cylinder on the top, and there are parallel first V-shaped track and second V-shaped track on both sides of the lifting top seat. The inner side of the first V-shaped track extends outward to form an anti-tipping groove rail. There is a locking sliding square rod, an M-shaped gear box is arranged on the inner side of the middle part of the lifting top seat, a friction belt power assembly is arranged on the inner side of the front end of the lifting top seat, and a parking plate is arranged on the top of the lifting top seat, and the parking plate is on the first V-shaped track and Translate on the second V-shaped track, driven by the hydraulic cylinder, the X-shaped lifting frame slides in the eight-character groove of the lifting top seat and the lifting base to drive the lifting of the parking plate. The invention ensures that the vehicle to be parked can be raised, lowered and translated to the parking space in the green belt through multiple linkage control and double anti-overturning structure, effectively alleviating the difficulty of parking.
Owner:ZHEJIANG INST OF COMM

A kind of non-adhesive bamboo charcoal insole

The present invention relates to the field of insoles, specifically a non-adhesive bamboo charcoal insole, including a rectifying structure, a limiting structure, a fixing structure and a dehumidifying structure; the use of the rectifying structure increases the contact area between the insole and the shoe, thereby effectively preventing movement During the process, the insole and the shoe slip off, and the use of the corrective structure enables the child to lift the foot, and the corrective structure drives the sole of the user's foot back to the initial position, and at the same time releases pressure when the toes contact the corrective structure, thereby greatly improving the child's health. Use comfort; the use of the dehumidification structure increases the air circulation speed inside the shoes, improves the efficiency and quality of dehumidification and deodorization, and at the same time has the effect of massaging and releasing pressure on the soles of the users, reducing the hard band of bamboo charcoal particles. The volume of the orthotic structure is reduced while stepping on the dehumidification structure, which further reduces the contact extrusion force between the orthotic structure and the toes, and the use of the orthotic structure makes the dehumidification structure more repositionable.
Owner:安徽益健鞋材科技有限公司

Non-gel bamboo charcoal insole

ActiveCN110141020ACorrect walking postureIncrease contact areaInsolesMassageEngineering
The invention relates to the field of insoles, in particular to a non-gel bamboo charcoal insole. The non-gel bamboo charcoal insole comprises a correcting structure, a limiting structure, a fixed structure and a dehumidification structure; the contact area of the insole and a shoe is increased through use of the correcting structure, so that slippage is effectively prevented from happening between the insole and the shoe in the moving process; meanwhile, according to the use of the correcting structure, the correcting structure drives a sole of a user to return to an initial position when a child lifts a foot; meanwhile, pressure is relieved when toes are in contact with the correcting structure, so that the use comfort level is greatly improved; air ventilation speed of the interior of the shoe is increased through the use of the dehumidification structure, the efficiency and quality of dehumidification and deodorization are improved; meanwhile, the sole of the user has the functionsof massage and pressure relief, discomfort brought by hard bamboo charcoal particles is reduced; meanwhile, the dehumidification structure is stepped and the volume of the correcting structure is driven to become small at the same time, and contact extrusion force of the correcting structure and the toes is further reduced; and meanwhile, the reset capacity of the dehumidification structure is higher through the use of the dehumidification structure.
Owner:安徽益健鞋材科技有限公司

A method to control the surface charge of polymers by infrared light

The invention relates to the technical field of anti-friction and anti-wear, and provides a method for regulating the surface charge of a polymer through infrared light. The invention uses photothermal conversion materials and polymers as raw materials to prepare polymer composite films, and then uses infrared light to irradiate polymer composite films. After being irradiated by infrared light, the temperature of photothermal conversion materials rises, generating thermal electron emission, and is in the state of excitation. The thermal electrons in the state will migrate to the surface of the polymer. When the polymer surface is positively charged, the thermal electrons migrating to the surface will neutralize these positive charges, reducing the number of positive charges; when the polymer surface is negatively charged When , the hot electrons migrating to the surface superimpose with the electrons on these surfaces, resulting in an increase in the number of negative charges. The regulation method of the surface charge of the polymer provided by the invention is novel, and the light-to-heat conversion material has been industrialized at present, has a wide range of sources, and has broad application prospects in the field of anti-friction and anti-wear.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1
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