563results about How to "Reduce offset" patented technology

The invention relates to the technical field of maritime work cranes and discloses an anti-rolling and anti-seismic maritime work crane which is characterized in that a rack swing wall is arranged at the upper end of a rack column, a winch is arranged on the end side of the rack swing wall, and a main traction rope is arranged in the winch; the lower end of the main traction rope is fixedly connected with a top plate, and the lower side of the edge end of the top plate is fixedly connected with a fixing plate. According to the anti-shaking and anti-seismic maritime work crane, when the device drives a heavy object to move upwards and the heavy object shakes and deviates, an extrusion plate on the side can be extruded, at the moment, the distance between the extrusion plate and a side plate is changed, the moving distance of the heavy object can be judged through a distance sensor, and when the moving distance of the heavy object is large, data can be transmitted to a controller; and therefore, a worker is reminded that the heavy object deviates, potential safety hazards exist, the traction and pulling state of the auxiliary traction rope on the fixing plate is stressed outwards, the shaking performance of the single main traction rope during hoisting operation of the heavy object is reduced, and the stabilization effect is good.

The invention discloses a hilly slope irrigation control system based on artificial intelligence, and the system comprises a wind speed and wind direction detection module which is used for obtaining wind speed and wind direction data; the sprinkler head adjusting module is used for adjusting the angle and the spraying distance of a sprinkler head based on the wind speed and wind direction data; the soil humidity detection module is used for being connected with a soil humidity sensor and determining irrigation requirements according to data of the soil humidity sensor; the artificial intelligence control module is used for optimizing the irrigation time and the irrigation amount through an artificial intelligence algorithm; the sprinkling irrigation system control module is used for controlling the sprinkling irrigation system to irrigate according to the optimization result; the hilly slope irrigation control system based on artificial intelligence reduces the phenomenon of non-uniform growth of crops, facilitates healthy and uniform growth of the crops, and ensures that the crops can obtain a proper amount of water supply, so that normal growth and development of the crops are promoted, the yield and quality of the crops are improved, and the agricultural production benefits are further improved.

The embodiment of the invention relates to the field of photovoltaic technology, and provides a photovoltaic module, the photovoltaic module comprises a battery string, an insulating layer and a bus bar, the battery string comprises a plurality of battery pieces, the back surface of each battery piece is provided with a welding strip, and the plurality of battery pieces are connected in series through the welding strips; the insulating layer is arranged on one side, far away from the battery piece, of the welding strip, and the insulating layer is provided with an avoiding area, so that part of the welding strip is exposed from the avoiding area to form a welding strip exposed part; the bus bar is arranged on the side, away from the welding strip, of the insulating layer, the bus bar is provided with an abutting part in a protruding mode towards the welding strip exposing part, and the abutting part abuts against the welding strip exposing part so that the bus bar can be conductively connected with the welding strip. The embodiment of the invention is at least beneficial to improving the maximum output power of the back contact battery assembly.

The invention discloses a space floating mechanical arm motion planning method and system based on zero reaction space and reinforcement learning, and relates to the field of mechanical arm motion planning. The invention aims to solve the problem of base attitude disturbance caused by movement of an existing space floating mechanical arm. According to the technical scheme, the motion space of the space mechanical arm is designed to be the zero-reaction space, it is ensured that the motion of the mechanical arm does not generate unexpected disturbance on the base, and therefore the stability of the system and the task execution precision are improved. In addition, a reinforcement learning algorithm is combined, and the motion space is set as a zero-reaction motion space. The efficient search and optimization capability of reinforcement learning enables the mechanical arm to find an optimal motion strategy in a complex task space, and meanwhile, disturbance to the base is effectively avoided. The strategy can be continuously adjusted through multiple rounds of training and reinforcement learning so as to adapt to different task requirements, and it is guaranteed that when the mechanical arm executes space grabbing, maintenance and other tasks, high-precision operation can be kept, and it can be guaranteed that the base is stable. Experimental results show that by means of the method, deviation of the attitude of the base can be remarkably reduced, the stability and efficiency of task execution are improved, and a feasible solution is provided for on-orbit service tasks of the space mechanical arm in the future.

The magnetic suspension motor comprises annular rotors and a stator assembly, the two annular rotors are coaxial and arranged in the vertical direction, the number of magnetic poles of the two annular rotors is the same, the arrangement directions of the magnetic poles of the two annular rotors are the same or opposite, and the relative positions of the two annular rotors are fixed; the two annular rotors are arranged on the outer side of the stator assembly in a sleeving mode, and the stator assembly drives the two annular rotors to suspend and rotate through magnetic force. The axial driving assembly can provide additional axial force for the rotating cylinder, and after the rotating cylinder axially deviates, the rotating cylinder is driven to return to the normal position; the stator assembly is isolated from the outside by the mounting cavity, and the annular rotor is isolated from the outside by the rotating cylinder, so that external media are prevented from being polluted, and the stator assembly and the annular rotor are also prevented from being corroded by the external media.

The invention relates to the technical field of pipe jacking construction, in particular to municipal road pipe jacking construction safety equipment which comprises a supporting piece, an inclined strut and a construction piece, the inclined strut and the construction piece are arranged on the two sides of the supporting piece respectively, one end of the inclined strut is fixedly connected to the ground, and the other end of the inclined strut is fixedly connected to the supporting piece; the construction piece is fixedly connected to the supporting piece. The construction piece applies force to the supporting piece, the inclined strut supports the supporting piece, the stability of the supporting piece is improved, deviation of the construction piece is reduced, and the construction quality is improved.

The invention discloses a conveying device for a hollow glass production line, and relates to the technical field of hollow glass production line conveying, the conveying device comprises a fixing plate, the top of the fixing plate is rotatably connected with a connecting rod, one end, away from the fixing plate, of the connecting rod is rotatably connected with a plurality of square plates, and the plurality of square plates are uniformly arranged on the outer side of a frame body; the two ends of the connecting rod are rotationally connected with the staggered fixing plate and the square plate, the top of the connecting rod is rotationally connected with a middle rod, the middle of the connecting rod is rotationally connected with a rotating rod, the side, close to the rotating rod, of the fixing plate is fixedly connected with a middle plate, and the inside of the outer side of the fixing plate is rotationally connected with a guide roller. According to the conveying device for the hollow glass production line, the distance between the guide rollers can be adjusted according to the size of fixed glass, glass supporting and positioning of equipment in the conveying process are improved, the conveying efficiency of the glass can be improved, shaking and deviation of the glass in the conveying process can be reduced, and therefore the production quality is improved.

The utility model relates to a target material fixing device for a vacuum coating machine, relates to the technical field of vacuum coating, and aims at solving the problem that a traditional fixing device is poor in flexibility. The target material fixing device comprises a bottom frame, two fixing bases are arranged on the bottom frame and oppositely arranged on the bottom frame, and a target material fixing area is formed between the two fixing bases; a driving mechanism used for synchronously driving the two fixing seats is arranged on the bottom frame, the driving mechanism comprises a supporting plate, a bidirectional lead screw and a servo motor, the supporting plate is connected to the bottom frame, the bidirectional lead screw is rotationally connected to the supporting plate, the output end of the servo motor is connected to the end of the bidirectional lead screw, and the output end of the servo motor is connected to the end of the bidirectional lead screw. The two-way lead screw is provided with two threaded ends opposite in rotating direction, the two fixing seats are in threaded connection to the two threaded ends of the two-way lead screw respectively, each fixing seat is slidably connected to the supporting plate, and the bottom frame is further provided with a translation mechanism used for moving the position of a target material. The application has the effect of improving operation flexibility and adjustability.

The invention discloses an anti-deviation structure for mechanical drilling, and particularly relates to the technical field of machining, the anti-deviation structure comprises a supporting frame and a fixing frame, limiting grooves are formed in the left side and the right side in the supporting frame, a connecting plate is fixedly connected to the top of the fixing frame, and an air cylinder is fixedly connected to the top of the connecting plate. By integrating the high-precision laser sensor, the position of the drill bit can be monitored and adjusted in real time, and it is ensured that each time of drilling can meet the preset precision requirement. The positioning of the drill bit is more accurate, the deviation problem of the drill bit is reduced, and the drill bit can be easily adjusted at multiple angles and multiple directions so as to meet the drilling requirements of different materials, different thicknesses and different angles. According to the device, the use range of the device is enlarged, the drill bit and the motor can be effectively cooled through the arrangement of the cooling box and the pressing spray head, abrasion caused by high-temperature operation is reduced, and therefore the service life of the drill bit is remarkably prolonged, and the maintenance cost and the downtime are reduced.

The utility model discloses an automobile rear frame mold, and belongs to the technical field of automobile rear frame molds. The automobile rear frame mold comprises a bottom plate, a guide rail is fixedly connected to the upper surface of the bottom plate, a lower pressing block is slidably connected to the outer wall of the guide rail, a containing table is fixedly connected to the upper surface of the bottom plate, a servo motor is arranged in the bottom plate, and the output end of the servo motor is fixedly connected with a gear; according to the device, a sliding block is pulled to move when a rotating plate rotates, the sliding block is supported by a first supporting rod and a second supporting rod, so that when a positioning plate clamps the four edges of a material plate, the four edges of the material plate are more attached, the material plate is effectively prevented from moving in the stamping process, a lower pressing block enables a limiting block to enter a groove in the descending process, and the material plate is prevented from moving. Accurate alignment of the lower pressing block during stamping can be ensured, so that deviation and shaking of the lower pressing block caused by deformation of a material plate are reduced, and the positioning precision is further improved.

The utility model provides a system for collecting electroencephalogram signals, which relates to the technical field of electroencephalogram signal collection, and can improve signal range adaptability by arranging a preprocessing module at the front end of a filtering module, so that the signal can be better processed during filtering, and the filtering effect can be enhanced. According to the invention, offset or distortion caused by a direct current component in the filtering process is reduced, the calculated amount can be reduced, the filtering effect is improved, the response time is shortened, and the external power supply is detected in real time by arranging the power supply acquisition module. And the mains supply frequency is sent to the frequency adjustment unit to adjust the center frequency of the digital notch filter, so that the filtering module can better carry out notch filtering on the electroencephalogram signal when the mains supply frequency fluctuates, the influence of power grid fluctuation on the electroencephalogram signal is reduced, and the effect of improving the detection precision is achieved.

The invention provides anti-scattering water-guided laser cutting fluid as well as a preparation method and application thereof. The anti-scattering water-guided laser cutting fluid comprises the following components in parts by weight: 0.1-1 part of an anti-scattering agent; 0.01 to 0.1 part of a foam discharging agent; 1-5 parts of a refractive index regulator; and 80-99 parts of ultrapure water. The anti-scattering agent is a polymer; the foam removing agent is one or more of hydroxymethyl cellulose, hydroxy propyl cellulose, sodium lignin sulfonate, potassium lignin sulfonate and naphthalene sulfonic acid formaldehyde condensate sodium salt; the refractive index regulator is an iodine-containing compound and / or a fluorine-containing compound. According to the anti-scattering water-guided laser cutting fluid, light beam scattering and energy loss in the water-guided laser cutting process can be remarkably reduced, and the cutting precision and efficiency are improved. The anti-scattering water-guided laser cutting fluid has very good application prospects and large-scale industrial popularization potential in the field of water-guided laser cutting.

The utility model provides a piston pin convenient to install, and belongs to the technical field of piston pins. The groove is formed in the circumferential surface of the piston pin; the limiting rod is fixedly connected to the circumferential surface of the piston pin; the elastic sleeve is arranged on the circumferential surface of the piston pin in a sleeving mode, and the elastic sleeve is located in the groove; the circular holes are formed in the circumferential surface of the elastic sleeve, the stability of the piston pin in the moving process can be guaranteed through the existence of the elastic sleeve, possible deviation or shaking is reduced, meanwhile, the hollow grooves with the depth being 1 cm are formed in the circumferential surface of the piston pin, and due to the design, the weight of the piston pin is reduced, abrasion is reduced, and the service life is prolonged. And the elastic sleeve is flush with the piston pin, so that the appearance of the piston pin is smoother, the friction between the piston pin and other parts is reduced, and the maintenance cost is further reduced.

The invention discloses a plate flattening and shearing production line with high feeding precision and a using method, and relates to the technical field of plate flattening and shearing, the plate flattening and shearing production line comprises a plate flattening and shearing main body, a flattening chamber and a shearing chamber are formed in the plate flattening and shearing main body, and laser displacement sensors are mounted at outlets and inlets of the flattening chamber and the shearing chamber; acoustic sensors are mounted on the side walls of the flattening chamber and the shearing chamber; a top limiting module and a shearing module are mounted on the top wall of the shearing chamber, the top limiting module is used for fixing a plate from the top in the shearing process, and the shearing module is used for shearing the plate; a side face limiting module is installed on the side wall of the shearing chamber and used for fixing the plate from the side face in the shearing process. By installing the top limiting module, the side face limiting module and the shearing module, the problems that in the plate machining process, the feeding precision is low, the machining efficiency is low, flexibility is insufficient, and the machining quality is unstable can be solved.

The invention relates to the technical field of assembling tools, and discloses a push rod assembly assembling tool which comprises a tool containing base, a mounting groove is formed in the surface of the tool containing base and used for being clamped into a table, the tool adopts a three-in-one integrated design, a push rod assembly is divided into three parts of assembling procedures, the assembling procedures are completed on the same tool containing base in a centralized mode, and the assembling efficiency is improved. The first assembling part is arranged along the Y axis and can synchronously complete pretreatment assembling of multiple sets of guide rod assemblies, the second assembling part arranged along the X axis is matched with the extrusion assembly to achieve pressing-in operation of a plastic cover, the third assembling part is arranged along the Z axis, assembling of a gear and a cover body assembly in a push rod shell assembly is achieved, the transfer time between procedures is greatly shortened, and the connection cost is greatly reduced. And through integrated layout, precise positioning and convenient operation design, the production efficiency is remarkably improved, the product quality is effectively guaranteed, and the labor and equipment investment cost is reduced.

The invention discloses a feeding structure for a glass film laminating machine, and relates to the technical field of film laminating equipment feeding, the feeding structure comprises a mounting frame, a glass main body and supporting legs fixedly mounted on the periphery of the bottom of the mounting frame, one side of the top of the mounting frame is fixedly connected with a mounting seat, and fixing plates are symmetrically fixed to the top of the mounting frame; the fixing plates are located on one side of the mounting base, the inner sides of the two fixing plates are rotationally connected with a film laminating roller, placing assemblies are symmetrically arranged on the other side of the top of the mounting frame, the placing assemblies comprise mounting plates which are symmetrically arranged, and cleaning assemblies are arranged on the inner sides of the mounting plates; the placing assembly further comprises a rotating shaft and a gear, the rotating shaft is rotationally connected with the mounting frame, and the problems that dust and other impurities on the surface of the glass possibly affect the flatness and attractiveness of a follow-up film, and the processing effect of the film and the quality of a finished product are reduced are solved.

The invention provides a clamping mechanism and a robot with the clamping mechanism, the clamping mechanism is used for clamping a target workpiece, a penetrating opening is formed in the target workpiece, and the clamping mechanism comprises a supporting frame, a clamping mechanism and a driving mechanism, and the supporting frame is movably arranged along a preset track; the clamping assembly is arranged on the supporting frame, the clamping assembly comprises a first clamping piece and a second clamping piece, and the first clamping piece and the second clamping piece are movably arranged in the direction close to each other or away from each other, so that after the supporting frame stretches into and penetrates through the opening, the first clamping piece and the second clamping piece are attached to the inner wall face of the target workpiece correspondingly; and the target workpiece is clamped. The sheet metal part stacking device solves the problem that in the prior art, the stacking efficiency of sheet metal parts in irregular shapes is low.

The invention belongs to the related technical field of equipment intelligent fault diagnosis, and discloses a construction method and application of a single-source-domain generalization fault diagnosis model under a time-varying working condition, and the construction method comprises the steps: collecting vibration signals of equipment in different fault modes, and constructing a single-source-domain training set; establishing a fault diagnosis training model, wherein the fault diagnosis training model comprises a domain extension module and a domain-invariant feature discrimination module; the domain extension module is used for forming an extension domain according to the source domain and forming a middle domain according to the source domain and the extension domain; the domain-invariant feature discrimination module comprises a feature extractor and a classifier, the feature extractor is used for extracting fault features of the samples, and the classifier is used for outputting fault mode classification results of the samples; performing parameter optimization training on the fault diagnosis training model; and outputting the trained feature extractor and classifier to form a constructed fault diagnosis model. According to the method, the expansion domain and the intermediate domain are generated, the diversity of training samples is increased, and the accuracy of cross-domain generalization fault diagnosis is improved.

The invention relates to the field of laser cutting equipment, and discloses a laser cutting workbench for sheet metal processing, comprising: a cutting platform, on which a cutting table is arranged; a plurality of thorn plates arranged on the cutting table, for increasing the friction between the sheet metal plate and the cutting table; a moving frame arranged on the cutting table, on which a plurality of conveying shafts are arranged; a laser cutting head arranged on the cutting platform; a box body arranged in the cutting platform, the position of the box body being lower than the thorn plates and the moving frame; the invention improves the design of traditional laser cutting equipment, adds a box body and a liquid cooling system, solves the problem of spark and molten metal diffusion in the laser cutting process, and significantly improves the cutting quality and the safety of the working environment.

The invention relates to an insulator structure assembling system and method, and is applied to the field of insulator assembling, the insulator structure assembling system comprises a plurality of assembling stations arranged on a rack, and the plurality of assembling stations are respectively provided with a fixing device for fixing a steel cap; the rack is provided with a driving device used for driving the fixing devices to move circularly along the outer edge of the rack, and the rack is further provided with a plurality of vibration devices used for making the fixing devices vibrate respectively. The rack is provided with a first pressing device used for making the insulator body abut against the interior of the steel cap and a second pressing device used for making the steel foot abut against the interior of the insulator body. The automatic assembling device has the technical effects that automatic assembling of a single insulator structure is achieved, the abutting degree and concentricity among an insulator body, a steel cap and a steel foot are improved, the labor cost is reduced, time and labor are saved, multiple insulator structures can be assembled at the same time, and the production quality and production efficiency of the insulator structures are improved.

The invention provides an enamelling machine for mold painting, which comprises a painting workbench, a support frame arranged below the painting workbench, a guide wheel assembly arranged at the front end of the painting workbench, two rows of painting molds arranged above the painting workbench, painting nozzles arranged in the painting molds, the painting nozzles fixed on nozzle fixing clamping holes, and a plurality of nozzles fixed on the painting workbench. A wire body is arranged right in front of the painting nozzle, a paint liquid connecting pipe is arranged on the rear side of the painting nozzle, and a backflow mechanism is arranged below a paint liquid backflow conveying pipe; by arranging the two rows of painting molds, painting operation can be conducted on a plurality of wire bodies at the same time, and the production efficiency is greatly improved; the painting nozzles are fixed on the nozzle fixing clamping holes, so that paint liquid can be uniformly sprayed on the line body, and the painting quality and uniformity are improved; and the paint liquid backflow hole is formed in the bottom of the painting mold, and is matched with the paint liquid backflow conveying pipe and the backflow mechanism, so that redundant paint liquid can be recycled, the waste of the paint liquid is reduced, and the production cost is reduced.

The invention relates to the technical field of cutting, in particular to a material cutting device for sensor machining. The technical problems that due to the fact that an existing cutting device cannot conveniently clamp the cutting edge of a membrane, the membrane is likely to deviate in the subsequent cutting process, a cutting tool is likely to extrude and deform the membrane, burrs on the edge of the membrane cannot be conveniently removed through the existing cutting device, and the cutting efficiency is high are solved. Therefore, burrs on the edge of the diaphragm are not flat and smooth. A material cutting device for sensor machining comprises a main mounting frame, a supporting ring frame, an electric push rod and the like. A supporting ring frame is fixedly connected to the upper portion of the main mounting frame, and two electric push rods are fixedly connected to the supporting ring frame. And a telescopic rod of the electric push rod continues to extend to drive a circular ring, a rotating ring, a transmission frame, an extrusion strip, an extrusion frame and a spiral frame to move downwards, then a pressing ring and a placement ring frame jointly clamp the membrane, and then a round rod conducts extrusion limiting on a limiting rod and the pressing ring.

The utility model relates to the technical field of hole pile foundations, and discloses a short pile rock anchor rod composite foundation which comprises a foundation pit used for pouring a short pile and an anchor hole used for arranging an anchor rod in a penetrating mode, a boss is arranged on the inner wall of the foundation pit and used for supporting a positioning plate, and the positioning plate is provided with a limiting hole for a drill rod to penetrate through. The drill rod is used for downwards forming the anchor hole from the foundation pit, and the anchor rod is arranged in the foundation pit and the anchor hole in a penetrating mode. According to the short pile rock anchor rod composite foundation, the squaring amount can be reduced, and the construction difficulty of a hole pile foundation is lowered.

The utility model belongs to the technical field of mechanical engineering processing, and particularly relates to a low-voltage switch cabinet welding positioning device which comprises a workbench. A supporting frame is fixedly connected to the top of the workbench, a supporting rod is slidably connected to the top of the supporting frame, a welding machine is slidably connected to the middle of the supporting rod, two first sliding grooves are formed in the top of the workbench, the two first sliding grooves are oppositely arranged, and first sliding rods are slidably connected to the middles of the first sliding grooves. First springs are fixedly connected between the side walls of the first sliding rods and the first sliding grooves, second sliding grooves are formed in the side walls of the first sliding rods, second sliding rods are slidably connected to the middles of the second sliding grooves, first clamping plates are fixedly connected to the ends of the second sliding rods, and the position of the cabinet body is fixed through the first clamping plates on the two sides when the cabinet body is welded. Wobbling and deviation of the cabinet body caused by welding force in the welding process can be effectively reduced, and the problems that the welding position is inaccurate or welding seams are not uniform due to deviation and shaking of the cabinet body are reduced.

The invention relates to the technical field of projection imaging, and discloses a zoom projection lens, a projection system and a use method, the zoom projection lens comprises a plurality of lens groups which are coaxially arranged, and the lens groups at least comprise first to sixth groups along the direction from the image side to the object side; the equivalent focal lengths of the lens groups from the image side to the object side are F1 to F6 in sequence, and each equivalent focal length meets a specific range; the second group at least comprises a triplet lens, and the triplet lens sequentially comprises a first lens to a third lens along the direction from the image side to the object side; the first lens, the second lens and the third lens have negative focal power, positive focal power and negative focal power respectively; the fifth group at least comprises a doublet lens, and the doublet lens sequentially comprises a fourth lens and a fifth lens along the direction from the image side to the object side; the fourth lens is a biconcave lens, and the fifth lens is a biconvex lens. The method has the advantages that secondary focusing is avoided for compensation, and the use complexity is reduced.

The utility model discloses an automatic feeding mechanism for assembling an air valve pump, which comprises a mounting rack, a first multiple chain conveying line is arranged above the mounting rack, and a second multiple chain conveying line is arranged below the mounting rack; an unstacking assembly is arranged at the feeding end of the first multiple chain conveying line, and a translation assembly is arranged at the discharging end of the first multiple chain conveying line. A lifting assembly is arranged on one side of the translation assembly, the lifting assembly is fixedly connected with the side wall of the mounting frame, and a transfer table is arranged on the lifting assembly. According to the valve element conveying device, the first multiple chain conveying line and the second multiple chain conveying line are adopted and matched with the transfer table and the lifting assembly, valve elements can be stably and continuously conveyed, shaking and deviation in the conveying process are effectively reduced, and therefore the assembly precision is improved; meanwhile, through accurate feeding control, errors and rework in the assembling process are reduced, the feeding process is optimized, and the overall production efficiency is further improved.

The utility model relates to the technical field of automobile wire harness terminal conveying equipment, in particular to an automobile wire harness terminal conveying tool. Comprising an automatic conveying disc, a conveying rail and a clamping assembly, the clamping assembly comprises a base and a supporting block, the supporting block is arranged at the front end of the top of the base, a supporting plate is arranged in the supporting block, a supporting rod is arranged in the middle of the top of the supporting plate, the supporting rod is elastically sleeved with a movable block, and the supporting rod penetrates through the middle end of the movable block; wire harness grooves are formed in the middle ends of the two sides of the top of the movable block, a rail groove is formed in the middle of the rear end of the top of the movable block, a bracket is arranged at the rear end of the top of the base, a guide block is arranged above the bracket, and a guide groove corresponding to the rail groove is formed in the inner side of the guide block. One side of the conveying track is connected with the automatic conveying disc, and the other side is connected with the guide block and communicated with the guide groove. According to the utility model, the problems of inaccurate terminal positioning and unstable crimping in the prior art are solved, and the effects of improving the production efficiency and the product quality are achieved.

The invention relates to a linear sliding block device for guiding of a roller guide sleeve and an assembling method, and the linear sliding block device comprises a sliding block main body, a pair of retainers and two end covers, wherein the left side and the right side of the interior of the sliding block main body are respectively provided with an inner raceway hole for movement of a roller, the retainers are respectively connected to the left side and the right side in the sliding block main body, and the two end covers are respectively fixed on the two end surfaces of the sliding block main body; two inner raceway holes are formed in each side of the sliding block main body, the two inner raceway holes in the same side are arranged in parallel up and down along the height of the sliding block main body, positioning frames attached to the end parts of the sliding block main body are arranged at the two ends of the retainer, two inner circulating through holes matched with the inner raceway holes are formed in the positioning frames, and the inner circulating through holes are communicated with the inner raceway holes. An inner circulation roller path part is arranged at the outer end of the positioning frame and is communicated with one of the inner circulation through holes; two auxiliary strips which are attached to each other and form an inner raceway between the two inner raceway holes are inserted in each inner raceway hole, vibration and deviation are reduced through the design, and the overall stability of the system is improved.

The present invention relates to the field of spraying technology, and specifically discloses a high-efficiency spraying device for fabric production, comprising a frame and fabric arranged at the upper end of the frame, a spraying mechanism being arranged at one end of the top of the frame, the spraying mechanism comprising a spraying frame fixedly arranged at the upper end of the frame, the upper end of the spraying frame being hollow, and a spray pipe being movably connected to the inner side of the upper end of the spraying frame along the width direction of the frame, and nozzles being evenly arranged at the bottom of the spray pipe; and also comprising a traction assembly for traction of fabric displacement. The high-efficiency spraying device for fabric production can improve the uniformity of spraying through the mutual cooperation of the spraying mechanism, the traction assembly and the driving mechanism, and can also be pulled by negative pressure adsorption at the bottom of the fabric, so that the fabric and the traction roller are more tightly combined, thereby providing a stable traction force and reducing the slippage and displacement of the fabric during movement.

The utility model relates to the technical field of lithium batteries, and discloses a full-automatic primary sealing line for lithium batteries, which is provided with an aluminum-plastic film and a battery cell, and further comprises an unwinding and cutting module for unwinding the aluminum-plastic film and cutting the aluminum-plastic film into a set length; the pit punching module is used for punching a pit position on the cut aluminum plastic film so as to accommodate a battery cell; the fine cutting module is used for cutting the corners of the aluminum-plastic film after punching so as to obtain the aluminum-plastic film with tidy corners; the battery cell feeding module is used for feeding battery cells to a specified place; the hot-pressing module is used for performing hot-pressing shaping on the fed battery cell; the tab folding module is used for folding tabs of the hot-pressed battery cells; the overturning and positioning module is used for overturning and positioning the battery cell after the tab is folded; packaging the circular track module, taking a precisely cut aluminum-plastic film and a turned and positioned battery cell, placing the battery cell in a pit of the aluminum-plastic film, and then folding the aluminum-plastic film; and the packaging module is used for packaging the corners of the aluminum plastic film on which the battery cell is placed.