174results about How to "Avoid obstruction" patented technology

The utility model provides a shock wave balloon catheter with a backflow device and medical equipment, the shock wave balloon catheter comprises a balloon, a catheter, a fluid pump and a pressure reducing valve, and a shock wave generating part is arranged in the balloon; the balloon is arranged at the far end of the catheter, a pressurizing flow channel and a backflow flow channel are arranged in the catheter, the pressurizing flow channel is used for supplying conductive liquid into the balloon, and the backflow flow channel is used for recycling the conductive liquid from the interior of the balloon; the outlet end of the fluid pump is communicated with the pressurizing flow channel so as to provide conductive liquid with certain pressure for the balloon; the inlet end of the pressure reducing valve is communicated with the backflow channel so as to maintain the pressure of the conductive liquid in the balloon, and the outlet end of the pressure reducing valve is communicated with the inlet end of the fluid pump, so that bubbles formed by separation and electrolysis of the conductive liquid in the percussion process of an electrode in the balloon are discharged out of the balloon in time through the backflow channel. Bubbles are prevented from hindering shock waves from acting on calcification lesions, and the effective performance of the shock waves is improved.

The utility model discloses a shaft end sealing dustproof labyrinth ring for a crusher, which comprises a bearing seat, a bearing is arranged in the bearing seat, a shaft body penetrates through the bearing, two groups of sealing rings are sleeved on the side wall of the shaft body, dustproof rings are arranged on two sides of the bearing seat, and a sealing ring is arranged on the sealing ring. Annular cavity plates and multiple sets of air cylinders are fixedly installed on the two sides of the bearing seat correspondingly, multiple sets of annular protrusions are arranged on the opposite faces of the two sets of sealing rings correspondingly, multiple sets of annular grooves are formed in the far faces of the two sets of dustproof rings correspondingly, and filter screen hole plates fixedly penetrate through the opposite ends of the multiple sets of air cylinders on the same side correspondingly. And moving rods slidably penetrate through the interiors of the multiple sets of filter screen hole plates on the same side, and piston blocks are installed at the far ends of the multiple sets of moving rods on the same side. The shaft end sealing dustproof labyrinth ring has the advantages that the annular cavity plate and the air storage cylinder are adopted, the dustproof structure can be rapidly disassembled and assembled through the annular cavity plate and the air storage cylinder, and convenience is brought to disassembly and assembly of the shaft end sealing dustproof labyrinth ring for the crusher.

The invention discloses a preparation method of a standardized sheet for a thermoelectric test of minerals or mineral materials and alloys, belongs to the technical field of mineralogy, material science and prospecting prediction, and establishes a preparation process of a universal mineral or mineral material and alloy thermoelectric sheet. Covering all semiconductor mineral types or mineral material types such as pyrite, magnetite, graphite and sintered ore; accurate thickness control is achieved through a double-face polishing-loading sheet supporting structure, in-situ testing of the thermoelectricity of minerals or mineral materials and alloys is achieved, and the testing precision is improved; by adopting a conductive adhesive-copper plate composite structure, the interface resistance is reduced, the supporting strength is met, and the requirement of eliminating detection interference is met; residual colloid is thoroughly removed through ultrasonic cleaning, and the insulation effect is avoided; according to the standardized sheet, the hollow aminated phenolic resin nanosphere is used as a conductive substrate and is used for bonding a sample and a copper plate, the contact resistance between the sample and an electrode can be greatly reduced, and the accuracy of test data is improved.

The utility model discloses a kind of centrifugal fan mounting structure and centrifugal fan, it is related to centrifugal fan technical field, the utility model includes flange barrel, flange barrel one end is fixed with locating block, flange barrel outside is sleeved with soft connection barrel, and soft connection barrel outside is sleeved with compression ring, and compression ring one end is provided with locating hole;Compression ring top is fixed with lifting seat, and lifting seat one end is penetrated with flange bolt, flange bolt one end is fixed with puncture head, flange barrel top is provided with fixed groove, and fixed groove inside is connected with nut.The utility model is equipped with locating block and locating hole, the number of locating block and locating block is same with the number of lifting seat, flange bolt and nut, and five are annular array equidistant distribution, so in assembly process, locating block enters locating block, then lifting seat and nut will be aligned;Avoid angle deviation between lifting seat and nut in assembly process to cause the phenomenon that flange bolt cannot be loaded.

The utility model discloses a tempered glass mirror polishing clamp, and relates to the technical field of tempered glass mirror polishing, the tempered glass mirror polishing clamp comprises a fixing block, one side of the fixing block is provided with two transverse plates, the outer sides of the two transverse plates are sleeved with fixing sleeves, and adjusting assemblies are arranged between the fixing sleeves and the transverse plates. The opposite sides of the two fixing sleeves are rotationally connected with chucks. Through the structures such as the adjusting assembly and the driving assembly, the fixing sleeve moves outside the transverse plate and is installed in a screw hole through a locking bolt, the fixing sleeve can be conveniently fixed after being adjusted, meanwhile, a worm is driven by a first motor to rotate, and transmission of a worm gear is achieved; according to the grinding device for the tempered glass mirrors, the clamped tempered glass mirrors can be rotated conveniently, so that the grinding device is suitable for grinding the tempered glass mirrors of different sizes, the problem that the space of a clamp is limited and cannot rotate to cause obstruction is solved, the grinding device is suitable for grinding the tempered glass mirrors of different specifications, and the application range is wider.

The utility model provides a kind of wheel hub multi-station clamping rotary table device, it is related to wheel hub multi-station clamping rotary table technical field. Including clamping rotary table mechanism, clamping rotary table mechanism side is provided with pre-placed support structure;The pre-placed support structure includes two L-shaped frames, the opposite side of two L-shaped frames is all opened with installation groove, and one L-shaped frame is installed with first motor by installation groove, the output end of first motor is installed with shaft rod, by setting pre-placed support structure, before wheel hub enters clamping procedure, first preliminary positioning is carried out on the bracket of pre-placed support structure, in this process, according to the size of wheel hub, it is needed to install the bracket of appropriate size circle diameter on square block, then it is moved to clamping rotary table mechanism and is clamped operation, the problem of unstable placement possibly appearing when wheel hub is directly placed on clamping rotary table mechanism is avoided as far as possible, to provide stable basis for subsequent clamping procedure, improve clamping reliability.

The utility model relates to the technical field of ceramic tea making cups, in particular to a ceramic tea making cup capable of controlling the concentration of tea water, which is characterized by comprising a cup body, a cup cover and a tea making device, the tea making device comprises a sliding column, a pull rope, a tea strainer cover and a small tea strainer capable of moving up and down, and the sliding column is arranged in the cup body and close to the cup wall. The sliding column is sleeved with a sliding block capable of sliding up and down, the small tea strainer is connected with the sliding block, a plurality of water leakage holes are formed in the peripheral wall and the bottom of the small tea strainer, the tea strainer cover is arranged at the upper end of the small tea strainer in a removable mode, and the lower end of the pull rope is fixedly connected with the tea strainer cover. According to the ceramic tea making cup capable of controlling the concentration of the tea water, the small tea strainer does not need to be taken out or put in back and forth when people drink tea or add water every time, the convenience during tea drinking is improved, the height position of the small tea strainer in the cup body can be adjusted through matched use of the sliding column and the sliding block, and the tea making cup is convenient to use. The concentration of tea water can be well mastered, and the experience feeling of tea drinking is improved.

This invention provides a jacking structure system, including a foundation, tension rods, a jacked component, a jacking drive component, a reaction beam, and a sliding plate. The foundation is located between an existing structure and the sliding plate, with the sliding plate flush with the upper surface of the foundation. One end of the tension rod is connected to the foundation, and the other end is connected to the reaction beam. One end of the jacking drive component is connected to the reaction beam, and the other end abuts against the jacked component, thus jacking the component on the sliding plate onto the foundation. This invention ensures that the foundation pile foundation does not move forward and compress the foundation soil during the jacking process, completely avoiding any impact on adjacent existing structures and fully ensuring the operational safety of existing lines. Furthermore, it eliminates the need for large-area foundation reinforcement, the device has a simple structure and clear force transmission, and allows multiple jacked components to be jacked simultaneously without mutual interference, effectively shortening the construction period and saving costs.

The utility model belongs to the technical field of roadway dust removal, and relates to an air flow purification device of a fully-mechanized face air return crossheading, which comprises a frame type component, a lifting component, a lower rotating component, an upper rotating component and a spraying component, the frame type component is used for allowing an operation vehicle to pass through, and the lifting components are arranged on the two sides of the frame type component and used for achieving lifting of an upper structure in the frame type component; a spraying component is arranged in the middle of the upper structure of the frame type component and used for treating dust in an area where a vehicle passes through. The rotating lower part is hinged with one side of the lower structure of the frame type part, and the spraying part is arranged at the upper part of the rotating lower part; the rotating upper part is hinged to the side, close to the rotating lower part, of the upper structure in the frame type part, and a dust catching net is arranged between the rotating upper part and the frame type part. Sufficient passing space is provided for vehicles, obstruction of a traditional dust catching net to traffic is avoided, different roadway heights and environment conditions can be flexibly adapted, and the stability of the treatment effect is ensured.

This utility model discloses a transferable stretcher cart, including a mobile frame, a support frame, and two sets of railings. The support frame is fixedly installed on the top of the mobile frame, and the two sets of railings are symmetrically arranged on the top of the support frame. Two sets of fixed seats are fixedly installed at the bottom of the support frame, and each of the two sets of fixed seats has an adjustment component inside. The adjustment components allow the railings to be lowered and retracted. This utility model, through the setting of the adjustment components, enables the railings to be flexibly raised and lowered. When transporting patients, the railings can be raised to effectively prevent patients from falling. When transferring patients, the railings can be quickly lowered and retracted, making the support frame flat. This solves the obstruction of traditional fixed railings, allowing medical staff to more smoothly move patients to the bed or operating table without the need for strenuous lifting, significantly reducing the difficulty of operation and the need for manpower. At the same time, it also avoids the risk of patients slipping due to lifting movements.

This utility model discloses a multi-layer composite corrosion-resistant fiberglass water pipe, relating to the technical field of glass pipes. It solves the problem that existing fiberglass water pipes, when used in municipal drainage, have interconnected internal pipes, and long-term use results in the generation of odors inside the pipes, which are discharged through the bottom inlet, seriously affecting the outdoor environment. The invention includes a glass pipe and a baffle. A fixing ring is fixedly installed inside the glass pipe. Through the cooperation between the connecting rod and the baffle, the baffle can be pushed open by the water pressure during drainage, allowing water to move through the inside of the glass pipe. When there is no water flow, the baffle can be reset, sealing the inside of the fixing ring and preventing odor from escaping.

The utility model discloses a detachable anti-blocking liquid level meter, which relates to the technical field of liquid level sensors and comprises a connecting cylinder, the outer surface of the connecting cylinder is in threaded connection with a protective cover, the bottom surface of the protective cover is provided with a first liquid inlet and four second liquid inlets for liquid to enter and exit, and a filter screen is arranged in the protective cover. The inner wall of the connecting cylinder is in threaded connection with a sealing block. According to the liquid level sensor, the filter screen is used for filtering liquid entering the liquid level sensor through the liquid inlet hole, so that impurities in the liquid are prevented from obstructing a detection area of a detection element of the liquid level sensor, the possibility of a detection blind area is reduced, and the detection precision is ensured; the liquid level sensor is simple in structure and convenient to use, the speed of liquid entering the liquid level sensor can be increased, the detection efficiency of the liquid level sensor is improved, the detection end of the liquid level sensor is protected when the liquid level sensor is not used, the influence of external dust and other impurities on a detection element is avoided, and meanwhile the liquid level sensor can be conveniently disassembled and overhauled.

The application belongs to the technical field of fallen leaf recycling device, and particularly relates to an environment-friendly garden fallen leaf recycling and processing device, which comprises an automatic leaf suction vehicle, wherein the automatic leaf suction vehicle comprises a vehicle body, a leaf suction body and a recycling bin which are installed on the vehicle body; a moving wheel is arranged on the vehicle body; an intelligent control system is arranged in the leaf suction body and used for controlling the operation of each component of the device; driving equipment connected with the cleaning roller at the opening part of the suction nozzle is started to drive the cleaning roller to rotate, the rotating cleaning roller drives the cleaning strips arranged uniformly on the surface to rotate, the end of the cleaning strip is in contact with the fallen leaves on the road surface, and the cleaning strips play a role of sweeping the fallen leaves, so that the fallen leaves are sucked into the suction nozzle under the action of the air suction generated at the opening of the suction nozzle, the fallen leaves on the road surface are cleaned more completely, the fallen leaves are prepared into green manure, the resource utilization efficiency is improved, the carbon emission caused by random burning treatment is reduced, and the development direction of urban environmental protection is more in line with.

The utility model discloses a kind of garbage cans to form shaping virtual seal to through mouth, belong to garbage can technical field, including the flat cover mechanism being located at the outside of garbage bag, the flat cover mechanism includes inner cover, and the drive module of driving inner cover opening or closing inner opening;The inner cover includes first half cover and second half cover along plane relative opening and closing;Two half covers have height difference to the edge portion of facing each other, and when closing, it is mutually staggered arrangement;Or, two half covers are mutually flush, and when closing, it is mutually abutted.The utility model is shaped and closed bag mouth by setting flat cover mechanism, when cover body closes, garbage bag itself keeps virtual seal state when cover body retreats, not only prevent peculiar smell from escaping in the moment of opening cover, and virtual seal state is automatically released when throwing garbage, avoid the hindrance to throwing action.

The utility model discloses a degradable PLA (polylactic acid) coated paper cup forming mold, and relates to the technical field of paper cup production. The device comprises a supporting cylinder, the top of the supporting cylinder is rotationally connected with a rotating disc, a plurality of separable molds are arranged at the top of the rotating disc, elastic pushing assemblies are arranged on the two sides of each separable mold, jacking assemblies are arranged at the bottoms of the separable molds, and locking assemblies are arranged at the pushing ends of the elastic pushing assemblies. According to the paper cup separating device, the separating assembly is driven, after the locking assembly unlocks the elastic pushing assembly, the elastic pushing assembly pulls the separable mold outwards and enables the separable mold to be separated, at the moment, a paper cup can be separated from the inner wall of the separable mold, then the jacking assembly jacks the paper cup upwards, and the paper cup can be separated from the inner wall of the separable mold. By means of the arrangement, when the paper cup is demoulded, friction force and obstruction from the inner wall of the separable mould can be avoided, and the risks of local tearing and deformation caused by uneven stress of the paper cup are effectively reduced.

The application belongs to the technical field of thermal spraying workpiece clamping, in particular to a thermal spraying workpiece clamping platform, which comprises a workbench, a fixed sleeve fixedly installed on the workbench, a conversion disc assembly arranged in the fixed sleeve, the conversion disc assembly comprising: a disc body rotatably installed in the fixed sleeve, a plurality of groups of rectangular grooves equally angularly arranged on the outer circle of the disc body, a workpiece placing rack movably installed in the rectangular groove, a receiving plate fixedly connected to the bottom of the workpiece placing rack, two groups of side plates symmetrically fixedly connected to the receiving plate, a movable frame movably installed between the two groups of side plates, a first spring arranged on one side of the movable frame, and a convex shaft matched with a first inclined sliding groove to enable the workpiece placing rack to move away from the material port, so that the qualified test piece can be timely taken off from the conversion disc assembly, thereby shortening the interval time of the staff for the experiment on the qualified test piece and indirectly improving the efficiency of the experiment on the test piece.

The invention discloses a high-capacity circuit breaker heat dissipation structure based on a micro-nano structure heat pipe, and belongs to the technical field of circuit breaker heat dissipation. Comprising a vacuum arc extinguish chamber, an arc extinguish chamber heat dissipation device, a micro-nano structure heat pipe and a heat pipe heat dissipation device. The arc extinguish chamber heat dissipation devices are arranged on the two sides of the vacuum arc extinguish chamber, the micro-nano structure heat pipe is embedded in a static conducting rod of the vacuum arc extinguish chamber, and the heat pipe heat dissipation fins are arranged on the heat pipe. Through cooperation of the arc extinguish chamber heat dissipation device and the micro-nano structure heat pipe, radial conduction and axial rapid conduction of heat of the vacuum arc extinguish chamber are realized, and temperature rise of the high-capacity circuit breaker is remarkably reduced.

The invention discloses a protective shell of folding electronic equipment, which comprises a first shell used for covering a first part of the folding electronic equipment; the second shell is used for covering a second part of the folding electronic equipment; the magnetic attraction assembly is used for providing magnetic attraction connection; the position adjusting assembly is arranged on the back of the first shell; the magnetic attraction assembly is connected to the position adjusting assembly so that the magnetic attraction assembly can at least move between a first working position and a second working position relative to the first shell, the magnetic attraction assembly is located on the back of the first shell when the magnetic attraction assembly is located at the first working position, and the magnetic attraction assembly is located at the back of the second shell when the magnetic attraction assembly is located at the second working position. The center of the magnetic attraction assembly is closer to the central axis of the folding type electronic equipment in the unfolded state than the first working position. According to the invention, when the folding electronic equipment is connected to the external magnetic support, the magnetic connection point can be closer to the central axis of the equipment in an unfolded state, so that the connection stability and the anti-falling capability are improved.

This utility model belongs to the field of foil assembly and fixing technology, and discloses a fixing device for assembling lithium battery foils. It includes a base, a lifting assembly on the upper surface of the base, an adjustable fixing device on the lifting assembly, a placement platform fixedly connected to the upper surface of the base, and a square through groove on the upper surface of the placement platform. A placement plate is slidably connected to the side wall of the placement platform. This utility model uses a pressing plate and a square shell. The lower surface of the foil is adsorbed and fixed by the square shell below the placement plate, and the upper surface is pressed and fixed by the pressing plate. The placement plate is movable, allowing adjustment of the through hole and the position corresponding to the foil, changing the adsorption and fixing position, avoiding the installation position of the foil and the electrode tabs, and preventing obstruction or hindrance to the assembly process.

The utility model relates to the technical field of coil production and processing, and discloses a multi-station drawing force testing device which comprises a base plate, the top of the base plate is fixedly connected with an object placing head, the top of the rear wall surface of the base plate is fixedly connected with a rack, the bottom of the rack is rotatably connected with a worm, the top of the worm is provided with a handle, and the handle is connected with the object placing head. A limiting column is fixedly connected to the front position of the worm, a detector is arranged on the wall face of the worm, the bottom of the detector is further fixedly connected with the same storage head, and the storage head at the bottom of the detector and the storage head at the top of the base plate are mutually symmetrical; the centralizing structure comprises a centralizing plate, a clamping column and a collecting box, the centralizing plate is fixedly connected to the rear wall face of the base plate, the clamping column is fixedly connected to the top of the centralizing plate, the collecting box is detachably connected to the top of the centralizing plate, the centralizing plate is a rectangular plate, and the base plate, the rack, the worm, the detector and the storage head which are the same are arranged on the peripheral wall faces of the centralizing plate respectively.

The utility model relates to cleaning tool technical field, specifically disclose a kind of cleaning equipment and cleaning system, the cleaning equipment, including: host computer and sealing element, the host computer has backflow air duct, the backflow air duct has for the backflow docking interface of intercommunication base station;The sealing element is located on the backflow docking interface and / or the base station, the inner wall surface of the sealing element does not protrude the inner wall surface of the backflow air duct, the sealing element is configured to when the backflow docking interface is docked with the base station, the gap between the backflow docking interface and the base station is sealed.According to the cleaning equipment of the utility model embodiment, the airflow of backflow air duct can be avoided by the sealing element to cause hindering, improve the airflow smoothness of backflow air duct.

The utility model belongs to the technical field of cleaning machines, and particularly relates to a cleaning machine placing frame structure and a cleaning machine, the cleaning machine placing frame structure comprises a frame body, the inner side of the frame body is provided with a supporting frame formed by a plurality of ribs, and the supporting frame is used for supporting an object to be cleaned; supporting legs obliquely downwards or bent downwards extend from the corners of the frame body, and the supporting legs are used for supporting an inner container of the cleaning machine; the boundary dimension defined by the outer edges of the bottom ends of the supporting legs is larger than the boundary dimension of the frame body. A cleaning channel is formed between every two adjacent supporting legs. When the cleaning machine is used for cleaning articles in the placing frame, part of water flow can wash the articles upwards from the cleaning channel formed between every two adjacent supporting legs, and under the action of gravity, the water flow can fall into the frame body to wash the articles on the supporting frames.

The utility model discloses a kind of punching equipment, including base, the position of four end angles of base lower end is uniformly fixedly connected with gyro wheel, one end of base is fixedly connected with handle, the position of both sides of base and close to handle one end is uniformly set with limiting mechanism, the middle part of the upper end of base is provided with notch, the inside of notch is provided with rotating mechanism, the upper end of base is provided with bearing seat, the middle part of the lower end of bearing seat is fixedly connected with connecting rod, connecting rod is slidably connected with the inside of notch, the upper end of bearing seat is provided with punching mechanism. The utility model provides a kind of punching equipment, by the structural design of punching mechanism, it can be known that when needing to be inclined to punch in the process of punching building, the structural design of fixed rod, connecting plate, first slider, electric push rod, hinged seat and connecting column can make drill rod to the inclined punching of building, and further improve the practicability of overall device.

The utility model belongs to the technical field of waste slurry residue treatment for bobbin raw paper production, specifically a waste slurry residue treatment device for bobbin raw paper production, comprising a bottom plate, the top of the bottom plate is fixedly connected with extrusion bin, the top of extrusion bin is provided with filter box, the side wall of filter box is fixedly connected with torque motor, the inside of filter box is fixedly connected with fixed platform, the side wall of fixed platform is rotatably connected with filter plate, the end of filter plate is fixedly connected with drive wheel, the bottom of fixed platform is provided with material supporting cylinder, the side wall of fixed platform is fixedly connected with fixed ring, the utility model discloses through setting torque motor, drive wheel and transmission belt make multiple filter plates rotatable, thereby make the filter of multiple filter plate top can fall off under the action of gravity, realize the automatic falling of filter, be favorable to the promotion bobbin raw paper production waste slurry residue's processing efficiency, reduce manpower demand.

The invention discloses a method and a system for reinforcing soil at fixed points by microorganisms based on magnetic navigation guidance, and relates to the technical field of geotechnical engineering. The migration path and the final gathering position of the microorganisms in the soil body are actively and accurately controlled by utilizing an external programmable magnetic field, a reinforced target spot is determined based on exploration, an electromagnetic coil array arranged on the ground surface is driven to generate a gradient magnetic field according to the three-dimensional coordinates of the target spot, the intensity of the magnetic field at the target spot is maximum, and the gradient magnetic field has the maximum density. The magnetic field gradient force pointing to the target spot is generated in the surrounding space, after the magnetized microorganism suspension is injected into the soil body, each microorganism individual becomes a tiny magnetic dipole due to magnetic particles carried by the microorganism individual, and under the action of the magnetic field gradient force, the microorganism individual is continuously dragged in the magnetic field intensity increasing direction and finally enriched in a preset target spot area. The problem that microorganisms cannot effectively reach a target area due to adsorption and filtration effects is solved.

The utility model relates to the technical field of elevator shaft accessory machining, and particularly discloses an elevator shaft accessory integrated punching and bending forming device which comprises a bottom plate, adjusting grooves are formed in the two sides of the inner wall of a mounting plate respectively, and a two-way lead screw is fixed to the output end of a servo motor. Two moving blocks are in threaded connection with the outer wall of the bidirectional lead screw, connecting holes are formed in the two sides of the inner wall of the mounting plate correspondingly, two clamping plates are arranged in the mounting plate, the two sides of each clamping plate are fixedly connected with one side of the corresponding moving block correspondingly, and clamping grooves are formed in the two sides of a butt joint plate correspondingly; the output end of the servo motor rotates to drive the bidirectional lead screw to rotate, then the two moving blocks can be driven to move, the moving blocks drive the clamping plates to move out of the clamping grooves, then the butt plate is not limited, and therefore the punching and bending die can be rapidly disassembled, the efficiency is improved, and the practicability is high. And the subsequent normal use is prevented from being hindered.

This invention relates to the field of lithium-ion battery cathode material technology, specifically to a ternary composite doped high-nickel cathode material, its preparation method, and its application. The preparation method of the ternary composite doped high-nickel cathode material includes the following steps: preparing a solution A of nickel, cobalt, and manganese salts; preparing a solution B of aluminum, magnesium, and zirconium salts; in the presence of a precipitant, first performing a first co-precipitation reaction in solution A to generate a core precursor, then adding solution B to perform a second co-precipitation reaction to generate a shell precursor on the core surface, thus obtaining a core-shell structure precursor; mixing it with a lithium source and then performing gradient-segmented sintering, followed by post-treatment to obtain the final product. This invention, by concentrating the ternary composite doping elements in the shell layer, significantly improves the structural and thermal stability of the material while ensuring high capacity. The resulting cathode material exhibits excellent capacity retention and rate performance under high-pressure cycling conditions.

The utility model relates to profile processing technical field especially relates to a kind of positioning structure of cavity profile machining, including base, fixed X-axis fixed positioning mechanism, X-axis dynamic positioning mechanism, Y-axis fixed positioning mechanism, Y-axis dynamic positioning mechanism and Z-axis driving mechanism are equipped on the base, the X-axis fixed positioning mechanism and X-axis dynamic positioning mechanism are along the length direction interval arrangement of the base, the Y-axis fixed positioning mechanism and the Y-axis dynamic positioning mechanism are along the width direction interval arrangement of the base;Z-axis lower arm is fixedly arranged on the output shaft of Z-axis driving mechanism, Z-axis lower arm is driven along vertical axis rotation while moving in vertical direction under the drive of Z-axis driving mechanism.The utility model has the beneficial effects that: realize the multidirectional clamping of cavity profile, ensure the stability of cavity profile positioning;Avoid the feeding of cavity profile to cause obstruction.

The utility model discloses a wear-resistant aluminum alloy sliding block, and relates to the technical field of aluminum alloy sliding blocks. The wear-resistant aluminum alloy sliding block comprises a sliding block body, a connecting cavity formed in the inner surface of the sliding block body and a wear-resistant guide wheel rotationally arranged in the connecting cavity, the sliding block body and the wear-resistant guide wheel are both made of aluminum alloy materials, and a wear-resistant coating is sprayed on the outer wall of the wear-resistant guide wheel. According to the device, the connecting blocks are installed at the two ends of the sliding block body through the connecting plates, the connecting grooves and the fixing screws, the supporting wheels used for bearing the cleaning pieces are rotationally connected into the connecting blocks, and when the abrasion-resistant aluminum alloy sliding block slides along the outer surface of the guide rail, the cleaning pieces can move equally along with the sliding block; impurities adhered to the outer surface of the guide rail can be cleaned in advance, so that the wear-resistant aluminum alloy sliding block is in contact with the cleaned outer surface of the guide rail, the problem of obstruction of the impurities to a sliding path is solved, and the service life of the wear-resistant aluminum alloy sliding block is prolonged.