5802results about How to "Avoid offset" patented technology

The invention relates to the technical field of sampling, in particular to a portable sampling device for geological mineral exploration and a sampling method thereof.The portable sampling device comprises a bottom plate, guide frames, a lifting plate and the like, the two guide frames are connected to the top of the bottom plate, and the lifting plate is jointly connected to the two guide frames in a sliding mode. A rock core drill bit can be driven to move downwards through a screw rod motor, the rock core drill bit drills into soil, the soil enters a sampling pipe for sampling, a standby sampling pipe can be driven to move backwards through an electric guide rail, the standby sampling pipe is moved to the position below a mounting pipe, and the sampling pipe is spliced; the sampling pipe can be driven to move forwards through the electric guide rail, the sampling pipe can be disassembled, the sampling pipe can be automatically spliced and disassembled, operation is simpler, the burden of workers can be relieved, and therefore the sampling efficiency can be improved.

The utility model relates to a bag opening machine. A sewing device, a laser cutting device, a bag opening forming device and an accessory bearing device are arranged on a working table. The bag opening forming device comprises a folding mechanism and a material fixing mechanism, the folding mechanism is arranged above the material fixing mechanism, and the bag opening forming device can move on the working table; according to the pocket opening sewing processing technology, pocket opening cloth pieces are positioned on a pocket opening forming device, and the steps of cutting, folding, accessory installing, sewing, discharging and the like are sequentially carried out. The folding mechanism and the material fixing mechanism are integrated into a whole, and compared with the prior art, accessories such as bag eyebrows, bag cloth or zippers are not prone to deviation and displacement in the machining process, and the product quality stability is higher.

The utility model discloses a solar cell piece and a photovoltaic module, the solar cell piece comprises a cell piece body, the cell piece body is provided with a light receiving surface and a backlight surface, the backlight surface is provided with electrodes, the light receiving surface is provided with a plurality of separators which are arranged at intervals, and the electrodes are arranged on the electrodes. And the extension direction of at least part of the separators is staggered with the extension direction of the electrodes. Therefore, in the stacking process of the battery pieces, the light-receiving surfaces of the battery pieces can be isolated and protected, the light-receiving surfaces of the battery pieces are prevented from being scratched by electrodes on the adjacent battery pieces, meanwhile, shielding of the light-receiving surfaces of the battery pieces can be reduced, and the conversion efficiency of the battery pieces is improved. Besides, the extension directions of at least part of the separators are arranged to be staggered with the extension directions of the electrodes, so that part of the separators can always form isolation support on the electrodes on the adjacent battery pieces when the battery pieces are stacked, and the isolation protection effect on the light receiving surface is further improved.

The invention relates to the field of welding, in particular to steel structure welding equipment with an automatic positioning function, which comprises a fixed ring I, an electric control guide rail, a cylinder, an electric push rod I, a sliding ring, a fixed ring II and the like, the first fixing ring is fixedly connected with an electric control guide rail. The electric control guide rail is rotationally connected with a cylinder through a sliding block. The cylinder is fixedly connected with a plurality of electric push rods I; telescopic parts of all the electric push rods are jointly and fixedly connected with a sliding ring; the sliding ring is rotationally connected with a second fixing ring. The two steel pipes in butt joint are fixed through the electric driving wheels on the first fixing ring and the second fixing ring, the first fixing ring, the cylinder and the second fixing ring are concentrically arranged, all the electric driving wheels jointly center and clamp the two steel pipes, and then the laser welding head is controlled to rotate for welding. During welding, deviation between the steel pipes can be effectively avoided, and the welding quality of butt joint of the steel pipes is improved.

The invention relates to the technical field of current measurement, and discloses an open-close type current transformer which comprises a lower shell, one side of the top of the lower shell is rotatably connected with an upper shell, semicircular iron cores are embedded in the lower shell and the upper shell, a copper wire is wound on the iron core located in the lower shell, two ends of the copper wire are fixedly connected with butt joints, and the butt joints are fixedly connected with the upper shell. The butt joint is embedded in the outer wall of one side of the lower shell, the side, close to the butt joint, of the lower shell is rotationally connected with a mounting plate, butt joint rods are fixedly connected to the sides, close to the butt joint, of the two ends of the mounting plate, two limiting holes are formed in the mounting plate, and two limiting seats are fixedly connected to the side, close to the mounting plate, of the lower shell. Each limiting seat is aligned with the corresponding limiting hole in the same side, mounting grooves are formed in the tops and the bottoms of the limiting seats, limiting blocks are slidably connected into the mounting grooves, and the problem that due to the fact that the positive electrode and the negative electrode are reversely connected, wiring copper wires need to be detached, and then winding work needs to be conducted by replacing the positions, and operation is troublesome can be solved.

The invention belongs to the technical field of drag chain assembling, and particularly relates to automatic drag chain assembling equipment and method.The automatic drag chain assembling equipment comprises a base, a feeding device is arranged on one side of the base, a workbench is fixedly arranged at the top of the base, an assembling groove is fixedly connected to the top of the workbench, and a feeding groove is directly and fixedly formed between the assembling groove and the feeding device; a conveying device is fixedly arranged at the top of the assembling groove; the chain links on the assembling blocks are centered and clamped, and meanwhile, the chain links on the limiters in the assembling grooves are centered and clamped, so that the previous chain links and the next chain links are located on the same horizontal straight line, and the chain links are prevented from deviating when being pushed by the crimping columns; the problems that the chain links cannot be completely embedded into one end of the drag chain and the stability of the drag chain formed after clamping is reduced due to the fact that the chain links cannot be accurately aligned and fixed to the preset clamping positions are solved, the butt joint precision of the chain links is improved, the stability of the drag chain formed after butt joint is guaranteed, and the yield of the produced drag chain is also improved.

The invention provides a multidirectional adjustable bucket welding device, which relates to the field of bucket welding processing, and comprises an outer frame, a gantry crane fixedly connected to the top of the outer frame, an electric hoist slidably connected to the bottom of the gantry crane, a hanging bracket fixedly connected to the bottom of a hanging cable of the electric hoist, and two groups of electric telescopic rods fixedly connected to the left and right sides of the hanging bracket, the side end of the telescopic part of the electric telescopic rod is fixedly connected with a circular plate, the side end of the circular plate is fixedly connected with a conical head, the telescopic part of the telescopic cylinder 8 can drive the transverse frame to translate downwards by controlling the telescopic cylinder 8 to operate, the telescopic cylinder 8 can drive the arc cover plates on the two sides to press the outer curved surface of a wrapping plate downwards, and the wrapping plate can be clamped through cooperation with an arc support of the inner curved surface of the wrapping plate; and meanwhile, the curvature of the wrapping plate can be fixed, so that the side plate is prevented from deviating during welding, the welding efficiency of the side plate is improved, and the problem that the welding machining efficiency of the bucket is reduced in the process that the curvature of an inner curved surface of an existing bucket wrapping plate is fixed through a threaded telescopic rod is solved.

The invention discloses a tire burst control method and device and a vehicle, and the method comprises the steps: obtaining the state information of the vehicle when a tire burst signal is received; the state information comprises an actual vehicle speed and an actual yaw velocity; according to the actual vehicle speed, actual basic correction torque is calculated; calculating an actual feedback correction torque according to the actual yaw velocity; and according to the actual basic correction torque and the actual feedback correction torque, performing weighted calculation on a target correction torque, and according to the target correction torque, controlling the vehicle. The phenomenon that deviation of the vehicle cannot be completely compensated or compensation is excessive can be avoided, so that deviation of the vehicle after tire burst is prevented, and the stability of the vehicle after tire burst is guaranteed.

The utility model provides a steel box girder walking type pushing anti-deviation device which comprises a pushing mechanism and an anti-deviation mechanism, the pushing mechanism comprises a base and a first adjusting seat, the anti-deviation mechanism comprises an adjusting plate, a second adjusting seat and a movable plate, and the adjusting plate is installed inside the top end of the first adjusting seat in a limiting and sliding mode. The extrusion plate can extrude the movable plate through transverse adjustment of the adjusting bolt, the movable plate can be conveniently adjusted according to the angle between the ground and the side face of the steel box girder, the extrusion plate and the movable plate can be limited through the action of the transverse plate, the clamping rod and the clamping hole, and the stability of the movable plate is improved; the two sides of the bottom end of the steel box girder can be limited through a movable plate and a second adjusting seat, the steel box girder is prevented from deviating in the pushing process, transverse adjustment and deviation rectification can be conducted on the steel box girder through a deviation rectification oil cylinder, an adjusting plate, a jacking oil cylinder, the second adjusting seat and the movable plate, it is guaranteed that the moving line of the steel box girder is consistent with the pushing line, and the pushing efficiency is improved. The practicability is high.

The invention discloses a lithium battery welding device, and relates to the technical field of lithium battery welding. A rectangular channel for allowing a plurality of lithium batteries to pass through is formed in the welding platform, an electric push rod A and an electric push rod B for pushing the lithium batteries to move are arranged at the two ends of the rectangular channel correspondingly, and meanwhile, a laser welding mechanism comprising a laser welding head and a positioning and pressing structure is arranged over the welding platform; automatic welding is realized during use; a feeding system composed of a feeding mechanism and a discharging groove connected with a vibration disc is arranged on the outer side of any side plate, feeding of electrode plates is controlled through the feeding system during welding, and the electrode plates to be welded are controlled through the feeding system to be tightly attached to the ends of the lithium batteries to be positioned during welding. And the position deviation of the electrode plate relative to the lithium battery in the welding process is avoided.

The anti-deviation gear groove positioning and cutting machining device comprises a rectangular shell, a sliding opening is formed in one side of the top end of the shell, a sliding base is slidably connected in the sliding opening in a clamped mode, one end of the sliding base is fixedly connected with one end of a transverse air cylinder, and the other end of the transverse air cylinder is fixedly installed at the top end of the shell; the other end of the sliding base is fixedly connected with an adjustable reciprocating assembly, the adjustable reciprocating assembly is fixedly connected with one end of a sliding rod, the other end of the sliding rod penetrates through the sliding base in a sliding mode and then is fixedly connected with a mounting frame, a gear hob is rotationally mounted in the mounting frame, and one end of the gear hob is fixedly connected with a first servo motor; the inner wall of the other side of the top end of the shell is rotationally connected with one end of a lifting air cylinder, the other end of the lifting air cylinder is matched with a positioning mechanism in an inserted mode, the end, away from the lifting air cylinder, of the positioning mechanism is fixedly connected with an output shaft of a second servo motor, and the second servo motor is fixedly installed on the inner wall of the bottom of the shell.

The invention discloses an adjusting system for a gas helium cold screen in a vacuum tank and an application method, and particularly relates to the technical field of mechanical engineering, the adjusting system for the gas helium cold screen in the vacuum tank comprises an outer cold screen body and an inner cold screen body, and the outer cold screen body is formed by combining three outer cold screen single bodies. Through cooperation of the multiple positioning mechanisms and the multiple inner supporting mechanisms, the inner cold screen body can be limited and fixed in multiple directions, the positioning mechanisms and the inner supporting mechanisms can be rapidly separated from the inner cold screen body subsequently, the mounting and dismounting difficulty and the workload are reduced, the assembling efficiency is improved, and the assembling cost is reduced. Meanwhile, a trigger piece of the control mechanism can complete supporting and limiting of the inner cooling screen body, the trigger piece can conduct active switching control over the conveying state of the control mechanism, locking of the positioning mechanism and opening control over the inner supporting mechanism are completed, the control difficulty is reduced, meanwhile, multi-directional debugging and installation of the inner cooling screen body are completed through the control mechanism, and the debugging efficiency is improved. And the mounting precision is improved.

The invention relates to the technical field of laser scribing equipment, and particularly provides laser scribing equipment for manufacturing and processing a perovskite photovoltaic module. Comprising a workpiece conveying table and a laser scribing mechanism, and two positioning assemblies matched with each other are assembled on the workpiece conveying table; the workpiece conveying table comprises a conveying rack and a lifting rack assembled on the conveying rack, a plurality of conveying rollers used for jointly and horizontally conveying photovoltaic panels are installed at the lifting end of the lifting rack, and air cooling structures are arranged on the conveying rollers. According to the photovoltaic panel machining and conveying device, the two positioning assemblies matched with each other are arranged, and the side blocking assemblies capable of ascending, descending and avoiding are arranged in the positioning assemblies, so that a photovoltaic panel can be quickly repositioned in the machining and conveying process of the photovoltaic panel; through the uniform distribution of the plurality of conveying rollers and the cooling structures of the conveying rollers, the whole plate surface of the photovoltaic panel can be uniformly covered and cooled.

The invention discloses an automatic welding forming method for a fireproof door frame, and relates to the field of fireproof door frame production, and the automatic welding forming method comprises the following steps: step 1, frame splicing: two ends of a frame plate are fed into a welding box through moving through grooves, and after the lower surface is in contact with a lap plate, the end part of the frame plate is positioned between a right-angle outer coaming and a right-angle inner coaming; 2, clamping and fixing are conducted, specifically, a bidirectional motor in a clamping assembly works, so that a connected threaded rod rotates, a worm connected to the other end rotates under the action of a magnetic coupler, and a worm gear is driven to drive a shaft rod to rotate; and thirdly, cleaning and welding are conducted, after the coaming moves upwards, the top ends of the two semicircular shells are closed under pushing of two first electric telescopic cylinders to form a ring shape, and the ends, abutting against each other, of the two frame plates are sleeved with the semicircular shells, after the ends between the frames are positioned, automatic welding can be conducted at the original position without conveying, and the welding efficiency is improved. And deviation in the conveying process is avoided, and the consistency and stability of the welding quality are ensured.

The utility model relates to the technical field of composite film preparation, and discloses a composite film rewinding device which comprises a bottom plate, two sets of supporting plates are symmetrically installed on the top of the bottom plate, winding drums and tensioning rollers are arranged on the supporting plates, a supporting beam is fixedly installed between the supporting plates, a telescopic air cylinder is installed on the supporting beam in a penetrating mode, and the telescopic air cylinder is fixedly installed on the bottom plate. A supporting frame is fixedly installed at the bottom of the telescopic air cylinder. According to the deviation rectifying device, the first forward and reverse screw rod is rotated to be matched with the action of the guide block and the guide groove, the first forward and reverse screw rod drives the two first deviation rectifying plates to move reversely so as to adjust the distance between the two first deviation rectifying plates, the second forward and reverse screw rod is rotated to drive the two second deviation rectifying plates to move reversely, and therefore the deviation rectifying effect on the composite film can be achieved; and the first deviation rectifying plate and the second deviation rectifying plate are limited through the first positive and negative screw rod and the second positive and negative screw rod correspondingly, deviation caused by vibration is prevented, and the deviation rectifying effect is optimized.

The invention relates to the technical field of welding devices, in particular to an aluminum alloy door and window welding machine which comprises a mounting support, an air cylinder is mounted at the upper end of the mounting support, an output shaft of the air cylinder penetrates through the mounting support, and a welding mechanism is mounted on the output shaft of the air cylinder and comprises a first mounting plate fixedly connected with the output shaft of the air cylinder. An exhaust mechanism is mounted on the other side of the first mounting plate, four sets of first electric telescopic rods are mounted on the inner side of the mounting support, clamping mechanisms are mounted on output shafts of the first electric telescopic rods, and welding seams between arc-shaped window frames can be welded through mutual cooperation of second electric telescopic rods and first welding heads; and welding can be conducted on inner side welding seams of the assembling grooves, welding is more comprehensive, connection between the arc-shaped window frames is more stable, through mutual cooperation of a fourth gear and a third electric telescopic rod, comprehensive cleaning is conducted on the peripheries of the welding seams, cracks and bubbles during welding are avoided, and the welding seams are firmer.

The invention discloses a variable-cross-section stacked box rigid frame aqueduct, a cantilever hanging basket and a prestress tensioning method in the field of prestressed concrete aqueducts, the transverse section of a water passing groove is a U-shaped section, and the U-shaped section of the water passing groove is far superior to a rectangular section in the aspects of water delivery flow conditions and flow passing capacity; a prestress continuous rigid frame structure form of a U-shaped water passing upper tank with a variable cross-section rectangular lower tank stacked upwards and a guide groove unified cross section and a two-system four-way prestress system are arranged, the concrete stress of the upstream face of the U-shaped water passing groove can be accurately and effectively controlled to be kept in a uniform compression state with a certain numerical value, and the anti-seepage and durability functions of the aqueduct are ensured. According to the tensioning method, the vertical steel beams and the U-shaped steel beams are partially tensioned firstly, so that the aqueduct web has certain vertical pressure stress, then longitudinal prestress is tensioned, the effect of the vertical steel beams and the U-shaped steel beams is prevented from being weakened by the longitudinal prestress, and pressure stress reserve of the upstream face of the U-shaped groove is guaranteed; the pouring hanging basket prevents the formwork from floating or shifting in the pouring process of the variable-thickness middle partition plate.

The invention relates to the technical field of automatic feeding devices, and discloses an automatic feeding device for automobile brake disc surface nitriding treatment, the automatic feeding device comprises a surrounding plate, the left side of the surrounding plate is fixedly connected with a motor, the inner wall of the surrounding plate is rotatably connected with a transmission shaft, and the circumferential surface of the transmission shaft is in transmission connection with a conveying belt; the outer surface of the surrounding plate is fixedly connected with a workbench, the top of the workbench is provided with an electric push plate, the right side of the workbench is provided with a nitriding treatment machine, and the top of the surrounding plate is provided with an indirect discharging mechanism. The brake disc feeding device has the advantages that deviation during brake disc feeding is prevented, the feeding accuracy is improved, the working efficiency of equipment is enhanced, during transportation, a motor drives a first sliding plate to conduct indirect feeding, the risk of brake disc blockage is prevented, the service life of the equipment is prolonged, and follow-up machining is facilitated.

The PCB drilling positioning device comprises a machine body, four supporting rods which are symmetrical in the front-back direction and the left-right direction are fixedly installed on the upper surface of the machine body, a supporting frame plate is installed at the tops of the supporting rods, and push rods are vertically and fixedly installed on the upper surface of the machine body at the corresponding positions of the middles of the two sides of the supporting frame plate. The top end of the push rod is fixedly connected with a clamping frame plate located above the supporting frame plate, the bottom of the clamping frame plate is provided with a positioning clamping groove with an opening in the front face, and the positioning clamping groove is matched with the supporting frame plate in shape and size. The PCB is inserted into the top of the supporting frame plate from the positioning clamping groove in the front face of the clamping frame plate, the push rod downwards drives the positioning clamping groove in the clamping frame plate to clamp and position the edge of the PCB, the PCB is firmly fixed, shaking and deviation are avoided, the drilling precision is ensured, and the production efficiency is improved. The problem that an adhesive tape fixing mode is adopted in existing PCB drilling positioning, so that the PCB is prone to shaking and shifting due to the fact that the PCB is affected by the torque of a drill bit is solved.

The utility model discloses an adjustable large-span steel drilling tool, relates to the technical field of steel drilling, and aims to solve the technical problems that the front-back position of current steel is inconvenient to adjust, and dislocation drilling work is affected. The adjustable large-span steel drilling tool comprises a base, and a drilling mechanism and a conveying mechanism are fixedly arranged on the upper surface of the base; clamping assemblies are fixedly arranged on a front frame and a rear frame of the conveying mechanism respectively, clamping pieces are installed on the faces, close to each other, of the two clamping assemblies respectively, and a plurality of guiding pieces are fixedly arranged on the upper surface of a conveying belt of the conveying mechanism. The clamping assemblies and the clamping pieces are matched to clamp and fix the position of the steel, the position can be kept stable when the drilling mechanism drills the steel conveniently, deviation is prevented, and meanwhile the clamping assembly structures on the two sides are arranged so that the steel can be pushed forwards and backwards to move conveniently. The drilling machine has the advantages that the position of steel is flexibly adjusted, and drilling work at different positions is facilitated.

The utility model relates to the field of automobile parking space fire fighting equipment, and particularly discloses an intelligent fire extinguishing device for an automobile parking space, which comprises a fireproof cover, a support, a fire fighting nozzle, a temperature sensor, a smoke sensor and a lifting assembly, the fireproof cover is fixedly mounted right above the parking space through the support, and an opening is formed in the bottom of the fireproof cover; the fire-fighting sprayer, the temperature sensor and the smoke sensor are all installed in the fireproof cover, the lower end of the fireproof cover is sleeved with a first fixing frame, the first fixing frame is connected with the lifting assembly and moves up and down under the action of the lifting assembly, when the first fixing frame makes contact with or gets close to the support, the fireproof cover is completely folded, and when the first fixing frame makes contact with the parking space, the first fixing frame moves up and down. The fireproof cover is unfolded, and a closed space is formed between the fireproof cover and the parking space. The fire-proof cover can be used for isolating a vehicle on fire from surrounding vehicles or equipment, fire spreading is avoided, meanwhile, a water pool can be formed in the fire-proof cover to immerse a battery, and the final fire extinguishing purpose is achieved.

The invention relates to an image enhancement method for constructing a spatial vision neural network model. The method comprises the following steps: firstly, carrying out normalization processing on a binarized noise-containing two-dimensional image to enable the binarized noise-containing two-dimensional image to meet small parameter limitation brought by activation of an FHN neuron adiabatic approximation condition; secondly, the space signal is subjected to convolution through an FHN neuron template, and a space neuron pulse potential sequence two-dimensional image coding signal is obtained; constructing an anisotropic spread function based on improved bidirectional adaptive selection as a visual receptive field model with a direction selection mechanism, and carrying out convolution on a neuron pulse coded signal and the constructed receptive field model; and finally, an optimal binary image result is found. According to the method, the direction selectivity and the neuron pulse issuing mechanism of the biological vision system are effectively combined, so that the biological vision system conforms to the physiological characteristics of real vision neuron pulse triggering and signal selectivity, and the ideal image denoising effect is achieved.

The invention relates to the technical field of laser cutting equipment, in particular to laser cutting equipment for hardware decorating part machining, which comprises a machining table and a laser cutting head, a supporting seat is fixedly mounted on the machining table, a bearing plate is rotatably mounted on the supporting seat, and a storage frame is arranged on one side of the machining table; a supporting plate with the L-shaped cross section is fixedly connected to the bottom of the machining table, a sliding groove is formed in the supporting plate, a sliding assembly is arranged in the sliding groove and comprises a sliding block installed in the sliding groove in a sliding mode, a first spring is fixedly connected to the surface of one side of the sliding block, and a second spring is fixedly connected to the surface of the other side of the sliding block. The first spring is fixedly connected with the inner wall of the sliding groove. According to the laser cutting device, a cut workpiece does not need to be manually taken down, a new workpiece can be directly placed, operation is convenient and rapid, the workload of a user is small, and the laser cutting treatment efficiency of the hardware decoration part is high.

The invention relates to the technical field of auxiliary welding devices, and discloses an auxiliary welding device for electric vehicle production, which comprises a base, a welding mechanism is fixedly mounted at the top of the base, a fixing table is fixedly connected to the top of the base, and a reinforcing mechanism is arranged on the inner wall of the fixing table. A worker can use a rocking handle to drive a first clamping plate to move to clamp a welded part, the welded part is prevented from deviating when welded, errors of operators are reduced, it is ensured that welded parts are aligned correctly, the welding stability is better, and the welding precision is higher; the first clamping plate can be driven by the motor to move so as to adjust the height of a welding part, the situation that the device cannot adapt to the welding parts of different shapes during welding is avoided, the safety of welding personnel is guaranteed, the reinforcing time is shortened, the welding efficiency is improved, and the welding quality is better.

The invention discloses a stabilizing device for steel plate welding, and relates to the technical field of welding, the stabilizing device for steel plate welding comprises a machine body, and further comprises a moving device, a fixing device and a butt joint device; wherein welding equipment is fixedly connected to the top of the machine body, a long groove is formed in the bottom of the inner wall of the machine body, the moving device comprises a storage rack, a welding plate, a vertical plate, a winding roller, a supporting rod, a steel cable, a rack, a rotating rod, an incomplete gear, a U-shaped plate, a rubber column, a handle, a long rod and wheels, and the wheels are movably connected to the inner side of the long groove; according to the stabilizing device for steel plate welding, when a third spring moves downwards, the third spring can drive a pressing plate to move downwards, at the moment, the pressing plate makes contact with a welding plate, when the pressing plate makes contact with the welding plate, the pressing plate can fix the welding plate, and the phenomenon that the welding plate deviates when welding equipment conducts welding can be effectively prevented.

A series connection method of back contact battery pieces belongs to the field of solar battery preparation, and is characterized by comprising the following steps: printing UV glue on the surfaces of the back contact battery pieces; conductive wires are arranged on the surfaces of the battery pieces needing to be connected in series; an ultraviolet lamp is turned on for irradiation, so that the UV glue is cured, and a back contact cell string is prepared; laying an adhesive film protection layer on the surface of the battery string; laminating the battery strings, and pressing the conductive wires on the surfaces of the battery pieces; and the conductive wires are in ohmic contact with a to-be-conducted area on the surface of the battery piece. The narrow conductive wires are adopted, the double-sided rate of the module is high, the generating capacity of the module can be effectively improved, and the LCOE of the system is reduced; the UV glue is used for fixing the conductive wires, so that the problem that the conductive wires deviate on the surfaces of the battery pieces in the lamination process and the long-term use process of the assembly can be avoided, and the short-circuit risk of the conductive wires is reduced; crimping or welding is achieved in the laminating process, battery string bending caused by high-temperature welding is avoided, and meanwhile the pseudo soldering problem is avoided.

The utility model belongs to the technical field of photovoltaic power station photovoltaic panel protection devices, and particularly relates to a photovoltaic power station photovoltaic panel hail prevention device which comprises a supporting frame, a mounting plate fixedly connected to the upper end of the supporting frame, a photovoltaic panel fixedly connected to the upper end of the mounting plate, and a protection frame and a fixing assembly arranged at the upper end of the mounting plate. The mounting plate is connected with the protection frame through a fixing assembly, the photovoltaic panel is located in the protection frame, a protection plate and a buffer assembly are arranged in the protection frame, the protection frame is in sliding connection with the protection plate, and the protection plate is made of a transparent material. According to the utility model, through the arrangement of the fixing assembly, when the protection frame needs to be disassembled, the insertion rod is far away from the positioning hole of the positioning plate, so that the limitation on the protection frame is relieved, the protection frame can be conveniently taken down from the mounting plate, the photovoltaic panel in the protection frame can be conveniently replaced, and the working efficiency is improved.

The invention discloses inclined hole machining equipment for a compressor crankshaft. The problem that in the prior art, a drill floor cannot conveniently machine inclined holes of the crankshaft is solved. The device comprises a rack, a first moving mechanism arranged on the rack, a second moving mechanism arranged on the first moving mechanism in a sliding mode, a plurality of clamping mechanisms arranged on the second moving mechanism, a lifting mechanism arranged on the rack, a mounting base arranged on the lifting mechanism, a mounting plate rotationally arranged in the mounting base and an angle adjusting mechanism arranged on the mounting base. The drilling mechanisms are arranged on the mounting plate, and the balance mechanism is arranged in the rack and connected with the angle adjusting mechanism. According to the crankshaft inclined hole drilling device, the first moving mechanism, the second moving mechanism, the clamping mechanism, the lifting mechanism, the mounting base, the mounting plate, the angle adjusting mechanism and the drilling mechanism are matched, so that crankshaft inclined holes are conveniently machined, the machining efficiency of the crankshaft inclined holes is improved, and the labor intensity of workers is reduced.

The invention relates to a field inspection method and device based on a quadruped robot and the quadruped robot. The method comprises the following steps: determining position information and pose information of an inspection key point; in the field inspection process of the quadruped robot based on the position information and the pose information of the inspection key point, acquiring a field environment image acquired by the quadruped robot; segmenting an inspection path area image from the field environment image, and determining obstacle point information from the inspection path area image; performing local path planning by combining a dynamic window method according to the obstacle point information; the local path planning is used for guiding the quadruped robot to inspect according to the inspection path center line; and based on the path of the local path planning, performing routing inspection on the field routing inspection site in combination with the position information and the pose information of the routing inspection key points. According to the invention, the deviation can be corrected in real time, so that the inspection navigation precision is improved, and the quadruped robot can inspect according to an ideal route.

The invention relates to the technical field of belt conveyors, in particular to a belt conveyor applying a combined roller structure, which comprises a mounting frame and a conveying belt, the conveying belt is mounted at the upper end of the mounting frame, and two groups of roller mechanisms are movably mounted in the conveying belt. A driving mechanism is mounted on one side of one group of roller mechanisms; the belt conveyor has the beneficial effects that the belt conveyor adopts a combined roller structure, flexible installation and adjustment of all parts in the roller are achieved, the adaptability and maintenance convenience of the conveyor are improved, compensation of a notch of the containing groove is achieved in cooperation with the arrangement of the tensioning compensation block, tensioning adjustment of an external conveying belt is met, and the service life of the belt conveyor is prolonged. When the adjusting part extends out, the friction force between the hollow roller body and the conveying belt can be increased, so that the belt is tensioned, the belt is prevented from loosening and shifting in the conveying process, and the use requirement of the belt conveyor is met.