25results about How to "Limit movement" patented technology

The utility model discloses a battery cell cover plate assembly, a battery and power equipment, the battery cell cover plate assembly comprises a cover plate, the cover plate is provided with a communication hole, and the inner wall of the communication hole is provided with a first thread; the polar column is detachably connected with the cover plate, the polar column is accommodated in the communicating hole, and a second thread matched with the first thread is formed on the polar column; the tab is placed on the pole and located between the pole and the cover plate, and the tab abuts against the outer peripheral wall of the cover plate and the outer peripheral wall of the pole so as to limit the movement of the tab relative to the cover plate. According to the battery cell cover plate assembly, the connection of the pole and the cover plate is realized through the matching of the first thread and the second thread, the tabs are respectively propped against the peripheral wall of the cover plate and the peripheral wall of the pole so as to limit the movement of the tabs relative to the cover plate, welding is not needed in the process of connecting the tabs, the pole and the cover plate, and the cost is reduced. The risks of short circuit failure and the like caused by the fact that metal chips enter the battery cell in the welding process are effectively prevented, and the production yield of the battery is improved.

This utility model discloses a dynamic pressure balanced three-screw pump rotor assembly and a three-screw pump, belonging to the field of screw pump technology. It includes a driving screw and two driven screws meshing on both sides of the driving screw. A first oil return channel connecting a high-pressure chamber and a low-pressure chamber is axially arranged within the driving screw. An oil return valve connected to the first oil return channel is provided on the driving screw located on the low-pressure chamber side. A second oil return channel connecting the high-pressure chamber and the low-pressure chamber is axially arranged within the driven screws. A support member is provided at the end of the driven screw located on the low-pressure chamber side. The support member includes a base plate at the end of the driven screw and a plug-in post on the upper surface of the base plate. The plug-in post is inserted into the second oil return channel. A thrust buckle is provided at the upper end of the driven screw. This utility model solves the scraping problem caused by axial movement of the driven screw, improves the reliability of the pump unit, reduces unit vibration and noise, and is suitable for three-screw pumps with high vibration and noise reduction requirements.

An experimental platform for implantable brain-computer interface of limited movement, comprising: a cooperative control module, which extracts the brain neuron signals of a limited rat through a microelectrode, pre-processes and extracts features of the neuron signals, analyzes and processes the movement information contained therein, converts the movement information into appropriate control instructions, and delivers the control instructions from Raspberry Pi to Arduino to control the corresponding actions of a machine rat made by the limited rat, so as to realize the movement control and sensing feedback between the limited rat and the machine rat; and an external control module, which is installed on the machine rat, and is used for carrying out epidural spinal cord electrical stimulation on the limited rat with partial movement function after incomplete spinal cord injury and combining with external equipment for rehabilitation training. The application can analyze and record the neuron signals of specific regions when the limited rat performs actions, which is helpful for in-depth analysis of the neuron activity characteristics and regulation mechanism of the limited rat.

The application belongs to the technical field of buffers, and particularly relates to a longitudinal traction buffer device for a road-rail vehicle, which comprises a coupler, a buffer, a from-plate and a coupler tail frame. The buffer comprises a cylinder, a No. 1 piston, a connecting frame, a traction guide rod, a conversion unit. When the traction guide rod of the buffer is impacted and moves left, the No. 1 piston moves left, extrudes hydraulic oil and pushes the No. 2 piston. Since the No. 2 spring is arranged between the baffle and the No. 2 piston, when the No. 2 piston is pushed, the No. 2 piston extrudes the No. 2 spring, and the impact force is shared as the elastic potential energy of the No. 2 spring, so that the purpose of sharing the buffer force is achieved. Similarly, when the traction guide rod moves right, the effect of sharing the buffer force can also be achieved.

The application relates to the field of high polymer material and film processing technology, in particular to a forming and processing technology of a biaxially stretched polymer film; the technology comprises the steps of inorganic particle surface modification, esterification, polycondensation, melt extrusion casting and biaxial stretching and winding; the technology combines specific monomer copolymerization to provide main chain rigidity and steric hindrance, and cooperates with multifunctional crosslinking monomers to build a slightly long branched and micro-crosslinked structure in the system; the core is to introduce an end group reaction agent and a macromolecular antioxidant to close the polar end group to inhibit degradation, and to combine the surface modified nanoparticles with the monomer containing a sulfonate group to form a polar ion aggregate in the amorphous region; the application overcomes the defects that the traditional process lacks a main chain rigidity cooperative design and an end group closing mechanism, causes a significant increase in thermal shrinkage and a decrease in dielectric performance in a high temperature and high frequency scene, improves the thermal dimensional stability of the material, and improves the dielectric breakdown strength and the surface metal layer adhesion.

The invention provides a full-rubber-jacketed alternating current charging pile cable and a preparation method thereof, and belongs to the technical field of cables, and the full-rubber-jacketed alternating current charging pile cable is prepared by the following steps: mixing EPDM particles, modified diatomite, EVA particles, paraffin oil, nano zinc oxide, stearic acid, tetravinyl silane and epoxy isocyanate; adding dicumyl peroxide, uniformly mixing, carrying out extrusion molding, and carrying out heating vulcanization to obtain an insulating layer; chlorinated polyethylene, dioctyl phthalate, calcium stearate, stearic acid, white carbon black, chlorinated paraffin, crude paraffin, MgO, Sb2O3, tetravinyl silane and modified carbon black are mixed and internally mixed, epoxy isocyanate and DCP are added and evenly mixed, and a sheath layer is obtained through extrusion molding; and sequentially coating an insulating layer and a sheath layer on the periphery of the conductor to obtain the full-rubber-jacketed alternating current charging pile cable. The cable prepared by the invention has good wear resistance and flexibility.

The utility model relates to the technical field of robot chassis, in particular to a four-vector rudder chassis structure with a damping effect and a robot, a damping support is designed on a chassis body of the four-vector rudder chassis structure with the damping effect and the robot, and a steering wheel mechanism is independently designed on the damping support. In this way, modular installation is achieved conveniently, and later disassembly, assembly and maintenance are facilitated. Each damping support is connected with a steering wheel mechanism through a damping spring, damping between the damping supports and the steering wheel mechanisms is achieved through the structure, and the damping device can better adapt to various rugged and obstacle road surfaces. And meanwhile, the steering wheel mechanism is in sliding connection with the damping bracket, so that the movement of the steering wheel mechanism relative to the damping bracket is further limited, and the stability of the whole chassis structure is ensured.

The present application relates to a kind of egg laying hen's egg anti-bumping conveyor, belong to transport equipment technical field.It includes: the conveyor belt main body being installed on rack;Multiple mounting racks are spaced apart on the side of conveyor belt main body along the direction of conveyance, and rotating groove is provided on mounting rack;Guiding roller is rotatably arranged in rotating groove, and guiding slope is formed between adjacent two guiding rollers;Conveying plate is correspondingly installed at guiding slope, and conveying plate and guiding slope form input channel;Conveying mesh belt is arranged along the surface of conveyor belt main body and multiple guiding rollers, and the bottom of input channel corresponds with conveying mesh belt;Blocking component is installed on rack, and located above conveying mesh belt, with elastic net and lifting stop lever, lifting stop lever moves in the direction of approaching or moving away from conveying mesh belt, to drive elastic net to form blocking curtain at the bottom of input channel.The technical problem that it is damaged by bumping due to hard block in contact surface when collecting eggs is solved.

This invention discloses a water pipe cutting device, belonging to the technical field of cutting devices. It includes a worktable, a fixing mechanism, a cutting mechanism, and a cooling mechanism. The worktable is equipped with a fixing mechanism for limiting the water pipe to be cut. The cutting mechanism is located on the worktable and used to cut the water pipe. The cooling mechanism is located on the fixing mechanism and opens and closes under the drive of the cutting mechanism to cool the cut end face of the water pipe. This application relies on a lifting box to drive a rack, gear, and bidirectional lead screw to achieve pure mechanical linkage. During cutting feed, the air collection box automatically opens to avoid the saw blade and prevent structural interference; during cutting reset, the air collection box automatically closes to surround the cut, cooperating with an air pump to complete precise cooling and chip removal. The timing of the actions precisely matches the cutting process. The all-round air cooling through an arc-shaped air blowing plate can quickly reduce the high temperature of the pipe opening, improve the cleanliness of the cut and the forming quality, eliminate the need for manual grinding and re-inspection, and significantly improve the finished product qualification rate and processing efficiency.

The utility model provides an auxiliary support for template processing, and relates to the technical field of template processing. According to the utility model, the auxiliary bracket assembly is arranged at the top of the bottom plate, the bracket is used for supporting a template or a workpiece, a plurality of insert cores and demolding insert cores are arranged on the bracket, the design of the insert cores and the demolding insert cores is mainly used for providing flexible adjusting and fixing functions, and the template or the workpiece is placed on the bracket; close combination of the template and the support is ensured through the insert cores, movement or deviation of the template in the machining process is prevented, the template can be conveniently separated from the support after machining is completed due to the arrangement of the demolding insert cores, the difficulty in manual demolding and the possible precision problem are avoided, and the machining efficiency is improved. The first demoulding insert core is used for preliminary loosening when the template is separated, and the second demoulding insert core and the third demoulding insert core provide a more accurate and stable demoulding function, so that demoulding is completed on the premise that the template is not damaged.

The invention discloses a demisting device and method for a hot continuous rolling production line, and belongs to the field of steel rolling. According to the technical scheme, the demisting device of the hot continuous rolling production line comprises a demisting box, a plurality of pumping and discharging fans are arranged in the demisting box, a suction inlet for forming mist is formed in the bottom of the demisting box in an open mode, a movable mist discharging fan is movably arranged below the suction inlet, the air pumping direction of the movable mist discharging fan is from bottom to top, and the air pumping direction of the movable mist discharging fan is from bottom to top. And the water is discharged into the demisting box. The suction inlet with the open bottom expands the mist adsorption range, the movable mist exhaust fan is matched with the bottom-up air draft direction, the mist generation source can be accurately aligned, mist diffusion is avoided, the suction and exhaust fan and the movable mist exhaust fan form an up-and-down linkage suction and exhaust structure, the flow guide effect on the mist concentration generation position is enhanced, the demisting efficiency is greatly improved, and the demisting effect is improved. And mist escape is reduced.

The utility model relates to an automatic limiting furnace door driving mechanism which comprises a horizontally arranged track, a moving seat is arranged on the track and translates along the track, the bottom of the moving seat is connected to a furnace door, a spur rack is arranged at the top of the moving seat, a gear is arranged above the spur rack, and the gear is meshed with the spur rack. The two ends of the spur rack are each provided with an elastic limiting mechanism, each elastic limiting mechanism comprises two fixing blocks installed on the two sides of the movable base, each fixing block is provided with an extending rod horizontally extending outwards, the extending rods are parallel to the rails, the outer ends of the two extending rods are provided with a sliding block, and the sliding blocks are provided with sliding blocks. The sliding block is in sliding connection with the two extension rods at the same time, a spring is installed between the sliding block and the corresponding fixed block, a section of convex tooth part is arranged at the top end of the sliding block, the convex tooth part and the spur rack are the same in tooth shape, and a certain distance is formed between the convex tooth part and the spur rack, so that the spur rack cannot be pushed when the gear drives the convex tooth part to move in the distance direction; the furnace door protection device has a certain protection effect on the furnace door.

The application discloses a kind of high-strength waterproof board and preparation method thereof, it is related to plate technical field.The preparation method of the application includes the following steps: sequentially stack 1 steel plate, 2 base plates, 1 fingerprint-resistant polymer film on 1 fingerprint-resistant polymer film, then heat pressing solidification, after cooling, plate is taken out, and high-strength waterproof board is obtained;Wherein, base plate is prepared from modified kraft paper and modified color paper.The water resistance, fire resistance and bonding strength of the plate are effectively improved by modifying kraft paper with modified phenolic resin, hydrophilic silicon dioxide and other components;The bonding strength, water resistance and fire resistance of the plate are further improved by modifying color paper with melamine, vanillin, flame retardant DOPO, 3,4-dihydroxybenzaldehyde and other components.Therefore, the application has a more extensive application prospect.

The utility model provides a kind of structure of multi-station die automation production, including the positioning block being arranged on lower mould plate, the top piece ware being arranged on lower mould plate, and the top piece ware includes cylinder and the ejector rod being arranged on cylinder piston rod, and magnet is further equipped on the side of ejector rod towards workpiece, by setting magnet on the side of ejector rod towards workpiece, so that workpiece can be attracted in the process of being lifted up by ejector rod, avoid workpiece to jump in the process of being lifted up, avoid affecting the final positioning position of workpiece, to affect the mechanical hand of next process to grasp workpiece;Further, further, by setting ring plate, so spring can be limited to move in first guide hole, avoid spring to come out.

This invention discloses a polylactic acid (PLA) fiber, its preparation method, and its applications, belonging to the field of polymer materials technology. Through a three-step continuous chemical modification process involving ring-opening polymerization, silanization, amylation, and Schiff base grafting onto stereocomposite PLA, with modified MXene as the core functional modifier, the fiber is endowed with multiple functions including nano-reinforcement, interfacial compatibility, dynamic self-healing, and stereocomposite heat resistance. The prepared PLA fiber exhibits a tensile strength of 80-95 MPa, an elongation at break of 800-1000%, a melting point of 180-190℃, a strength retention rate of >92% after 180 days at 40℃ / 50% RH, and a scratch self-healing rate of >80% after 1 hour of heating at 80℃, while maintaining complete biodegradability. The process of this invention uses traditional melt spinning equipment, is suitable for large-scale production, and can be applied to high-end textiles, medical, filtration, and packaging fields.

This application relates to the field of air conditioner technology, disclosing a driving mechanism for an air conditioner's air guide plate and an air conditioner. The driving device for the air guide plate includes: a mechanism box, including a first cover and a second cover; a first connecting rod, which is drivenly connected to the air guide plate; wherein, one of the mechanism box and the first connecting rod is provided with a first positioning part, and the other of the mechanism box and the first connecting rod is provided with a first positioning mating part and a second positioning mating part, the first positioning mating part and the second positioning mating part being arranged sequentially along the direction from the first cover to the second cover, and the first positioning part being located between the first positioning mating part and the second positioning mating part to restrict the movement of the first connecting rod in the direction of the line connecting the first cover and the second cover. The limiting of the first connecting rod is not achieved by means of the second connecting rod, avoiding the interaction force between the first connecting rod and the second connecting rod as in related technologies, thereby ensuring the movement accuracy of the air guide plate.

The invention discloses a temperature-resistant insulating mica powder / polypropylene composite film and a preparation method thereof, and belongs to the field of polymer film processing. The preparation method of the composite film comprises the following steps: (1) loading an olefin polymerization catalyst on the surfaces of mica powder particles, and carrying out in-situ polymerization on the prepared particles loaded with the olefin polymerization catalyst in a mixed component of alpha-olefin and propylene to prepare polypropylene / mica powder composite particles; and (2) blending polypropylene resin, the polypropylene / mica powder composite particles, a viscosity modifier and an auxiliary agent, granulating, and calendaring to obtain the polypropylene composite material. A firm polypropylene shell layer is formed on the surface of the mica powder, so that the interfacial compatibility of the mica powder and polypropylene is enhanced, good dispersion is realized, and the insulativity of the polypropylene is remarkably improved; meanwhile, the melt viscosity of polypropylene matched with the viscosity modifier is constructed, the molecular entanglement density of a composite system is remarkably improved, the movement of a polypropylene molecular chain is effectively limited, and the thermal stability of the composite film is improved.

The utility model belongs to the technical field of grabbing machinery, and discloses a roller assembly and a grab bucket for hoisting machinery. Wherein the mounting rollers comprise a first mounting roller, a second mounting roller, a third mounting roller and a fourth mounting roller, a first gap is formed between the arc-shaped surfaces of the first mounting roller and the second mounting roller, a second gap is clamped between the arc-shaped surfaces of the third mounting roller and the fourth mounting roller, and the steel wire rope penetrates through the first gap and the second gap simultaneously and is reversely projected along the length of the steel wire rope. The overlapped area of the first gap and the second gap is quadrilateral; the problem that in the prior art, pulleys need to be replaced frequently, and consequently the working efficiency of the grab bucket becomes low is solved.

This invention provides a hyperelastic catapult-launched rotorcraft unmanned aerial vehicle (UAV), relating to the field of UAV design. It includes a fuselage assembly, an elastic energy storage assembly, and a deformable traction assembly. It employs a high-energy-efficiency hyperelastic energy storage device combining springs, hyperelastic sheets, and hyperelastic ropes. The winding and contraction of the elastic rope in the deformable traction assembly indirectly drives the hyperelastic sheets, ropes, and inner spring in the elastic energy storage assembly to undergo elastic deformation, storing potential energy. The instantaneous release of the stored potential energy is achieved by the breakage of the winding and contracting elastic rope. The powerful reaction force from the ground on the UAV at the moment of potential energy release provides high driving force for catapult launch, achieving a high takeoff speed in a short time and improving the UAV's maneuverability. Upon high-speed landing, the elastic structure stores energy, reducing impact and preventing structural damage to the UAV, ensuring a safe landing.

The utility model discloses a connector with locking function, including plastic body, the plastic body surface integrated signal terminal and detection terminal, the plastic body side edge horizontal direction has seted up push rod groove, the plastic body top clamping has hardware shell, be provided with locking assembly between the plastic body and hardware shell, and the locking spring piece of plastic body one side is designed on the push -rod, can slide with push -rod before and after, has reduced the friction between card holder and reduced the wear and tear of card holder, when card holder locking, the tip of locking spring piece is resisted on card holder locking spring piece resistance part, increases locking force, solves the problem that the SIM card connector can appear card holder to exit and can not read the card in the vibration environment use, and the connector adopts integral terminal, and signal terminal and detection terminal are designed together, and whether the signal of inserting the SIM card is detected through the contact of the contact pad of the SIM card simultaneously, makes the connector length width size can be made smaller.

The utility model relates to power battery technical field and provide battery module and battery package. The battery module includes module unit, and module unit includes the module casing with the accommodation cavity, and is located in the accommodation cavity along the first direction arrangement multiple electric core units, and each electric core unit includes along second direction the multiple cylinder electric core arranged in order, the axial direction of cylinder electric core is identical with third direction, and the both ends of module casing in third direction are equipped with multiple through -hole respectively, and the through -hole is equipped with between any two adjacent cylinder electric core. The battery module of the utility model, through setting up multiple through -hole in the both ends of module casing, make up the through -hole between two cylinder electric cores, make cooling liquid liquid even along the axial direction of cylinder electric core and pass between each cylinder electric core, can reduce the stable difference between each cylinder electric core, benefit to promote the consistency of electric core temperature to guarantee the use effect of battery module.

The utility model discloses an aluminum plate typesetting clamp which comprises a supporting frame and inserting parts arranged on the supporting frame, an aluminum plate product is provided with inserting holes in a penetrating mode in the length direction of the aluminum plate product, the inserting parts are used for limiting the inserting holes in an inserting mode, each inserting part comprises a plurality of inserting pieces, and the inserting pieces are arranged on the supporting frame. The multiple sets of inserting parts are evenly distributed in the width direction of the supporting frame, the multiple inserting pieces in each set of inserting parts are put down and evenly distributed in the length direction of the supporting frame, and the inserting pieces extend in the height direction of the supporting frame. According to the utility model, orderly placed products are easier to count and store, so that the processed products are easier to store and manage, and the storage and counting efficiency of the processed products is improved. And the effect is improved.

The utility model provides a mobile lifting dispersion machine, including mount, universal gyro wheel, jar body, stirring subassembly, fixed link, cross bar, limiting rod, locating rod and quick release structure, when need to stir and wash, only need to push jar body, make the outer edge of jar body and limiting rod abut, thereby limit jar body along the movement of cross bar extension direction, subsequently connect the locating rod of jar body both sides with quick release structure, thereby limit jar body along with cross bar extension direction perpendicular motion, therefore, the utility model prevents the jar body in the past when washing and stirring, because jar body only simply passes through the universal gyro wheel after stepping on brake and ground contact, leads to jar body in the stirring and washing process to still possibly have the situation of horizontal movement to appear.

The utility model relates to vehicle communication equipment technical field especially, a kind of vehicle antenna convenient to fixed substrate, including installation shell, the antenna substrate is installed in installation shell interior, multiple clamping slots are set in the upper surface of the antenna substrate, the inner wall of installation shell is fixedly connected with multiple elastic U-shaped buckles matched with the clamping slot in corresponding position, multiple limit grooves are set in the middle surface of the antenna substrate, the inner bottom of installation shell is fixedly connected with multiple elastic inclined surface buckles matched with the limit groove. By setting elastic U-shaped buckle and elastic inclined surface buckle in installation shell, cooperate the clamping slot and limit groove on antenna substrate, the screwless installation of substrate is realized, only need to push substrate into shell along the direction of orientation when assembling, buckle is automatically clamped and positioned, without using tool, simplify assembly process, reduce artificial operation difficulty and production rhythm, significantly improve the efficiency of automated assembly.

The application relates to the technical field of bale unpacking, and provides a bale unpacking device. The bale unpacking device comprises a rack, a dismounting roller rotatably arranged on the rack, a movable frame slidably arranged on the rack and spaced apart from the dismounting roller, and a cutting mechanism arranged on the movable frame. The dismounting roller is provided with a piercing member extending outward in the radial direction, and the end of the piercing member is provided with a hook. The bale can be lapped on the dismounting roller and the movable frame, the end of the piercing member can be inserted into the bale and penetrate the net belt on the bale, and the cutting mechanism can cut off the net belt. The bale unpacking device disclosed by the application can drive the bale to rotate and push the movable frame to move by means of the rotation of the dismounting roller, so that the bale without support falls below the rack, the piercing member is inserted into the bale and penetrates the outer net belt of the bale, and the cutting mechanism cuts off the net belt. The net belt can be hooked on the dismounting roller, so that the separation of the forage and the net belt is realized, and the efficiency of bale unpacking is improved.