1611results about How to "Adjustable spacing" patented technology

The invention discloses a fixing device for automatic circuit board production equipment, which comprises a base, and the bottom of the base is supported by supporting legs. The invention relates to the technical field of circuit board production, two ends of a circuit board are erected on a conveying belt, the conveying belt drives the circuit board to move, when the circuit board moves to a processing position, a driving mechanism drives sliding blocks on two sides to get close to each other, and the sliding blocks drive clamping rods to get close to each other synchronously; the clamping rods overcome the elastic force of the springs to move upwards when getting close to each other through the slopes, the tops of the clamping rods move to the position above the circuit board, the clamping rods can clamp the two sides of the circuit board, the four sides of the circuit board can be limited at the same time in cooperation with the limiting wheels, and then the four sides of the circuit board can be fixed after the circuit board is conveyed to a machining position; and the circuit board can be fixed to the dead center of a machining position, the stability of the circuit board during machining is effectively improved, the circuit board is prevented from shaking during machining, and the percent of pass of circuit board machining is effectively improved.

The utility model relates to an automobile sealing strip fatigue resistance test device, the test device is used for carrying out fatigue resistance test on a sealing strip on an automobile window assembly, and the automobile sealing strip fatigue resistance test device comprises a test bench; the fixing mechanism is arranged on the test board and is used for fixing the vehicle window assembly; the pressing and releasing mechanism comprises a driving assembly and a profiling part connected with the driving assembly, the driving assembly can drive the profiling part to repeatedly press the sealing strip, and the profiling part is provided with a profiling face matched with the surface of the sealing strip. According to the fatigue resistance test device for the automobile sealing strip, through cooperative arrangement of the test bench, the fixing mechanism and the pressing and releasing mechanism, the fatigue resistance test can be performed on the sealing strip on the automobile window assembly in a low-cost and high-efficiency manner, and the fatigue resistance test device has relatively good universality and compatibility.

The utility model discloses a compact and stable type automatic plate edge banding machine, which relates to the technical field of plate edge banding, and comprises a rack, a chain plate conveying belt, a guide pressing plate assembly, a pre-milling assembly, a gluing assembly, a plate joint strip assembly, a flush assembly, a fine trimming assembly, a scraper assembly and a polishing wheel. The compact and stable plate edge sealing equipment is formed, the independent and integrated gluing assembly and the integrated cavity are adopted, the coaxiality is good, the gluing uniformity cannot be affected, the front end and the tail end of a plate joint strip are cut off in a tracking mode, the cutter thrust is small, the stability is good, the upper portion and the lower portion of the plate joint strip are simultaneously refined, resonance influences are mutually reduced in an abutting mode, vibration is reduced, and the edge trimming precision is high; the fine adjustment spring is arranged, so that the distance between the fine trimming mechanism and the scraper mechanism can be finely adjusted, stable pressure is formed between the fine trimming mechanism and the scraper mechanism and the plate joint strip, the distance between the plate joint strip and a fine trimming cutter or a scraper is conveniently controlled, and fine trimming or scraping is more stable and better in effect.

The invention relates to the technical field of stainless steel pipeline polishing, and discloses movable stainless steel prefabricated pipeline automatic polishing equipment which comprises a workbench, a rotating mechanism is arranged at the top of the workbench, and an inner wall polishing mechanism is arranged at the top of the workbench and used for polishing the inner wall of a pipeline. An outer wall grinding mechanism is arranged at the top of the workbench and used for grinding the outer wall of the pipeline, by arranging a grinding assembly on a pull wire, the pull wire can penetrate through the inner wall of the pipeline to drive the grinding assembly to move on the inner wall of the pipeline so as to facilitate grinding, and the problem that the inner wall is inconvenient to grind due to the fact that the pipeline is too deep is avoided; through positioning and guiding of the guide wheel, the traction line and the axis of the pipeline are always in a coincident state, so that when the traction line is used for traction, the grinding assembly can smoothly move on the inner wall of the pipeline, and the situation that grinding is affected due to deviation is avoided.

The utility model discloses a battery internal defect detection device based on image analysis, which relates to the technical field of battery defect detection and comprises a detection mechanism and an overturning mechanism for overturning the detection mechanism. The conveying mechanism comprises a conveying belt, and a conveying belt attached to the conveying belt is replaced with a supporting assembly. The supporting assembly comprises a base plate, the base plate is provided with at least two supporting rods, the supporting rods are provided with connecting rods, the base plate is provided with a plurality of limiting grooves matched with the connecting rods in structure, the connecting rods are provided with sliding blocks elastically connected with the connecting rods, and the sliding blocks slide relative to the base plate. According to the battery internal defect detection device based on image analysis disclosed by the utility model, the detection mechanism is overturned by the overturning mechanism, and the technical scheme of overturning the battery in the prior art is replaced, so that the tedious operation of overturning the battery is avoided, the battery can be better fed and discharged, and the detection efficiency is improved. The detection efficiency of the battery is further improved, and a better use prospect is brought.

The overturning and clamping device comprises a mounting base, an overturning frame is rotationally connected to the mounting base, a clamping mechanism is arranged on the overturning frame and comprises a side frame and a clamping piece, a sliding groove for the clamping piece to move is formed in the inner side of the side frame, and the clamping piece is arranged in the sliding groove. The clamping pieces are installed on the sliding grooves in a sliding mode, the number of the side frames is two, the side frames are installed at the left end and the right end of the overturning frame in a sliding mode respectively, the inner side of each side frame is provided with a pair of clamping pieces arranged in parallel front and back, and the two clamping pieces move on the inner sides of the side frames through adjusting assemblies. The double-shaft hydraulic cylinder controls the whole side frame to move above the turnover frame, so that the goods shelf is driven to move horizontally, the turnover frame is prevented from covering the bottom of the goods shelf, and welding operation can completely cover the bottom of the goods shelf.

The invention relates to the technical field of gear box production and machining, and discloses shaft hole inner wall grinding equipment for gear box production and machining, which comprises a machining table, and the top of the machining table is fixedly connected with a reinforcing bracket; one side of the polishing device is fixedly connected with the top of the machining table through a support; the bottom of the suction device is fixedly connected with the top of the processing table; the number of the reinforcing supports is two, and the two reinforcing supports are evenly distributed on the top of the machining table. The polishing device comprises a first rotating roller, the outer side of the first rotating roller is in transmission connection with a second rotating roller through a first belt, and the outer side of the second rotating roller is in transmission connection with a rotating column through a second belt. According to the shaft hole inner wall grinding equipment for gear box production and machining, the distances between the multiple sets of grinding assemblies can be adjusted so that the equipment can adapt to different types of multi-stage gear boxes, and multiple sets of shaft holes with different distances can be synchronously ground.

The utility model discloses a busbar with adjustable spacing, which comprises a base and a busbar arranged on the base, the busbar is provided with a plurality of bumps at equal intervals, the busbar is provided with a conductive terminal capable of sliding left and right, the conductive terminal is provided with a liftable fixed plate, and the fixed plate is provided with a plurality of conductive terminals capable of sliding left and right. And the conductive terminals are embedded between the convex blocks, so that the conductive terminals are fixedly connected with the busbar. According to the utility model, through the liftable fixing plate, the spacing between the conductive terminals can be adjusted, and the conductive terminals in the busbar can be increased or decreased, so that the busbar can adapt to the spacing between wiring ports of electrical equipment with different spacing, the installation time is greatly shortened, the installation difficulty is reduced, and the product has the advantages of adjustable spacing and good applicability.

The invention relates to a wire drawing system with pay-off power and a tungsten filament cold drawing method, the wire drawing system comprises a pay-off machine, a wire drawing machine and a take-up machine, the pay-off machine comprises a rack adjustably arranged on one side wall of the wire drawing machine, and a pay-off device, a guide device and a tension device which are arranged on the rack; the pay-off device comprises a pay-off motor and a clamping mechanism, and a pay-off wheel wound with a wire is detachably arranged on the clamping mechanism; the guide device comprises a guide piece I with a guide wheel and a guide piece II with two guide wheels; the tension device comprises a tension wheel arranged on the rack in an up-down swinging mode and a sensor used for monitoring the swinging angle of the tension wheel. And a wire on the pay-off wheel is led out to sequentially wind the guide wheel on the first guide piece, one guide wheel on the second guide piece, the tension wheel, the other guide wheel on the second guide piece and the other guide wheel, and then is led into the wire drawing machine. The wire drawing machine can actively pay off wires, and the pay-off machine, the wire drawing machine and the take-up machine are in linkage fit, so that stable drawing of superfine wires can be realized.

The utility model relates to the technical field of automobile anti-collision beam bearing production, and discloses an automobile anti-collision beam bearing performance detection device, which comprises a base, a bidirectional motor is fixedly connected in the base, the output end of the bidirectional motor is fixedly connected with a first threaded rod, and the output end of the first threaded rod is fixedly connected with a second threaded rod. The outer sides of the two first threaded rods are rotationally connected with the interior of the base, the outer sides of the two first threaded rods are in transmission connection with moving seats through threads, the outer sides of the two moving seats are in sliding connection with the interior of the base, and the tops of the two moving seats are fixedly connected with fixed seats. The tops of the two fixing bases are movably connected with the same anti-collision beam body, and the bottom of the anti-collision beam body is in threaded connection with four screw rods which are symmetrically distributed left and right. The automobile anti-collision beam bearing performance detection equipment has the advantages of being convenient to adjust and the like, and the problem that when anti-collision beams of different lengths are tested, the applicability is general due to the fact that the equipment does not have the adjusting function is solved.

The invention relates to the technical field of polishing equipment, and discloses grinding and polishing equipment and a polishing process for jewelry processing.The grinding and polishing equipment comprises a shell, a polishing roller, a supporting shaft and rolling wheels, the supporting shaft is movably arranged above the shell, the rolling wheels are fixedly installed on the supporting shaft, and the polishing roller is erected between the rolling wheels; an interval adjusting mechanism is arranged on the shell; according to the grinding and polishing equipment, by arranging the supporting shaft, the rotating plate and the guide rod, the distance change of the two rolling wheels can be controlled, so that polishing rollers with different diameters can be stably erected between the two rolling wheels, and the polishing rollers with different diameters can be conveniently driven to roll by matching with the arrangement of the driving shaft; according to the jewelry grinding and polishing device, by arranging the grinding and polishing device, jewelry of different sizes can be ground and polished conveniently, meanwhile, by arranging the anti-falling mechanism, under pushing of the telescopic spring, the clamping wheels clamp the polishing roller at the same time, the four-point clamping effect can be achieved through cooperation with the rolling wheels, and the polishing roller is made to be difficult to fall off in the rotating process.

The invention discloses a silicon wafer flower basket with an anti-slip structure, and relates to the technical field of silicon wafer flower baskets, the silicon wafer flower basket comprises two flower basket end plates, any one of the flower basket end plates is fixedly provided with a control device, the flower basket end plate is provided with a plurality of uniformly distributed adjusting grooves, and the flower basket end plate is provided with a plurality of transmission grooves. Two driving grooves are formed in the flower basket end plate, and two anti-skid grooves are formed in the flower basket end plate; the multiple sets of bearing parts are arranged between the two flower basket end plates, the two sets of driving mechanisms are arranged on the two flower basket end plates, the two sets of anti-slipping parts are symmetrically arranged between the two flower basket end plates, and the two sets of power parts are arranged on the two flower basket end plates respectively. The device is provided with the anti-slip part, so that the device can limit and fix silicon wafers on the flower basket supporting rod, the silicon wafers are prevented from slipping off from the flower basket supporting rod in the transportation process or other unforeseen circumstances, and the safety of the silicon wafers stored in the device is guaranteed to a certain extent.

The winding film thinning and stretching device comprises a fixing plate, a first conveying roller is movably arranged on one side of the interior of the fixing plate through a rotating shaft, and a second conveying roller is movably arranged on the portion, on one side of the first conveying roller, of the interior of the fixing plate through a rotating shaft; a linkage mechanism used for linkage of the first conveying roller and the second conveying roller to rotate at the same time is arranged at one end of the first conveying roller and one end of the second conveying roller, and the linkage mechanism comprises a belt wheel, a rotating disc, a sliding groove, a friction block and a transmission belt. A rotating disc is fixedly arranged at the end, where the second conveying roller is located, of the rotating shaft, and a plurality of sliding grooves are formed in the outer side surface of the rotating disc. According to the film stretching device, the first conveying roller and the second conveying roller have different conveying speeds, so that the film stretching effect is achieved, the device can carry out high-speed assembly line type stretching work without stopping, and therefore the machining efficiency of the device can be improved.

The utility model provides a generator high-speed shaft brake coupling protective cover, which comprises a brake disc cover, a connecting ring sleeve, a shaft cover and a supporting mechanism, the connecting ring sleeve is fixedly connected to one end of the brake disc cover, the shaft cover is rotatably mounted in the connecting ring sleeve, and the supporting mechanism is fixedly connected to the surface of the bottom end of the connecting ring sleeve. According to the utility model, through the upper housing and the lower housing which are in clamping connection through the connecting hasp and through the upper housing and the lower housing which are in clamping connection through the connecting hasp, the high-speed shaft brake coupling of the generator can be quickly shielded and protected, and through the upper clamping ring and the lower clamping ring which are in clamping connection through the connecting hasp, the high-speed shaft brake coupling of the generator can be quickly shielded and protected. The upper shell cover and the lower shell cover which are clamped can be matched to form a ring sleeve, so that the shaft cover is conveniently connected, the distance between the shaft cover and the brake disc cover can be adjusted by utilizing the connecting mode of the rotating shaft cover and the connecting ring sleeve, and the protection requirements of high-speed shaft brake couplings of generators with different sizes are met.

The utility model relates to the technical field of tea garden trimmers, in particular to an electric bilateral trimmer for a tea garden. According to the technical scheme, a storage battery is installed on a rack, a steering shaft is rotatably installed on the rack, a handle is welded to the top end of the steering shaft, a front fork is inserted into the bottom end of the steering shaft, and a front wheel is rotatably installed on the steering shaft through the front fork; trimming blades are slidably installed on the two sides of the rack through a first connecting plate and a second connecting plate, sawteeth are arranged at the bottom ends of the trimming blades, a motor is fixed to the second connecting plate through a support, the support penetrates through the trimming blades and is fixedly connected with the motor, and an eccentric shaft is arranged at the output end of the motor; and the motor stirs the trimming blade through the eccentric shaft, so that the trimming blade performs lifting motion. The electric bilateral trimmer for the tea garden integrates the advantages of maneuverability, stability, flexibility, efficiency, humanization and the like, so that the electric bilateral trimmer for the tea garden is more suitable for complex trimming requirements in a tea garden environment.

The invention discloses an evaporation test pool for monitoring water surface evaporation data, and belongs to the field of meteorological detection.The evaporation test pool comprises an evaporation mechanism and a floating mechanism, the evaporation mechanism is located on the lower portion of the inner side of the floating mechanism, the evaporation mechanism comprises a pool body, a plurality of partition plates are fixed in the pool body, the partition plates are fixedly connected, and the floating mechanism is arranged in the pool body. Through the connection of the screw rod and the screw cylinder, the distance and height difference between the pool body and the floating mechanism can be adjusted, so that the depth of the pool body in water is controlled. When the electromagnetic valve is opened to enable the tank body to be communicated with water, the water level in the tank body can be accurately controlled; through a series of mechanical transmission structures such as a wave plate, a connecting rod, a toothed plate, a ratchet wheel and a pawl, when the water surface fluctuates, the test pool can automatically sense and convert wave energy into mechanical energy, the floating mechanism is driven to expand or contract, the contact area with the water surface is increased, the wind wave resistance is improved, and meanwhile the stability of the equipment is guaranteed.

The utility model relates to the technical field of frame inserting machines, in particular to a width-adjustable inserting plate guide device and a double-station frame inserting machine. Comprising a base body, a lifting driving mechanism arranged on the base body, an elastic buffering mechanism arranged at the lifting end of the lifting driving mechanism, and a clamping plate mechanical arm arranged at the elastic buffering end of the elastic buffering mechanism. The two inserting plate guiding mechanisms are symmetrically arranged on the two sides of the base body, the distance adjusting mechanism is arranged on the base body and used for adjusting the distance between the two inserting plate guiding mechanisms, and the clamping plate mechanical arm is arranged between the two inserting plate guiding mechanisms in a lifting mode and provided with an incoming material induction mechanism. According to the utility model, the distance between the two board inserting guide devices can be adjusted, so that board inserting work can be carried out on boards with different specifications and sizes.

The invention provides orthopedic splint mounting and fastening equipment for the orthopedics department, and belongs to the technical field of orthopedic medical instruments. Comprising a base, a guide rail is fixedly installed on the inner side of the base, a two-way lead screw is rotationally connected into the guide rail, a first motor is fixedly connected to one end of the guide rail, and the output end of the first motor penetrates through the guide rail and is fixedly connected with one end of the two-way lead screw. The annular moving mechanism can drive the clamping plate mechanism to rotate around the limb of a patient by adjusting the sliding block to slide in the annular rail during use so as to adapt to different limb conditions, firm fixation can be achieved after adjustment, stability is ensured, meanwhile, the distance between the clamping plate mechanism can be adjusted through the guide rail and the two-way lead screw according to the length of the limb of the patient, and the height can be adjusted; in addition, the telescopic mechanism is matched with the clamping plate mechanism, clamping arc plates of different models can be replaced, the requirements of different patients are met, the use adaptation performance is improved, and a comfortable and effective guarantee is provided for fracture fixation treatment.

The utility model discloses a paper extraction embossing device which comprises a base, the upper end of the base is fixedly connected with two symmetrically-arranged vertical plates, the two vertical plates are both provided with second sliding grooves, and the two second sliding grooves are both internally and slidably connected with two symmetrically-arranged second sliding blocks. A rotating rod is rotationally connected between the two second sliding blocks located on the same horizontal plane, the two rotating rods are fixedly sleeved with embossing rollers, and an adjusting mechanism used for adjusting the distance between the two embossing rollers is arranged in one second sliding groove. The adjusting mechanism comprises a double-end threaded rod rotationally connected to the inner wall of the second sliding groove. By arranging the adjusting mechanism, the distance between the two embossing rollers can be adjusted, paper materials with different thicknesses can be conveniently embossed, the adjusting process is time-saving and labor-saving, the operation is convenient, meanwhile, the two embossing rollers share one driving source, the energy consumption can be reduced, and the practicability of the device is improved.

The invention discloses a medical model for simulating vascular interventional therapy, and relates to the technical field of medical treatment. The blood vessel model is detachably connected to the upper surface of the model base, one end of the blood vessel model is closed, the other end of the blood vessel model is open, and a plug is installed at the opening of the blood vessel model in an interference fit mode; the catheter is arranged in the blood vessel model in a penetrating manner, one end of the catheter is arranged on the plug in a penetrating manner, and the other end of the catheter is connected with a thrombus model; and the adjusting piece is arranged at the end part of the catheter and is used for adjusting the distance between the thrombus model and the inner wall of the blood vessel model. According to the invention, the thrombus model is arranged in the blood vessel model, so that a new medical worker can perform simulation operation, and the adjusting part is arranged and can adjust the distance between the thrombus model and the inner wall of the blood vessel model, so that the position of thrombus in the blood vessel under a real operation condition can be simulated; therefore, medical staff can adopt different modes to carry out interventional therapy on thrombus.

The U-shaped copper pipe bending device of the condenser comprises a supporting table, two parallel sliding grooves are formed in the positions, close to the two sides, of the top of the supporting table, a movable frame is slidably connected between the interiors of the two sliding grooves on the same side through sliding blocks, a groove is formed in the center of the bottom of the movable frame, and the sliding blocks are arranged in the groove. First adjusting screw rods are in threaded connection with the upper portions of the front portion and the rear portion of the moving frame in a penetrating mode, the tail ends of the two first adjusting screw rods are located in the groove and fixedly connected with limiting plates, fixing plates are fixedly installed on the upper portions of the two sides of the supporting table, and second adjusting screw rods are in threaded connection with the inner sides of the fixing plates in a penetrating mode; the tail end of the second adjusting screw rod is rotationally connected to the side wall of the moving frame, a supporting frame is installed on the upper portion of the middle of the supporting table, a first hydraulic cylinder is installed on the top of the supporting frame, and a driving shaft of the first hydraulic cylinder penetrates through the bottom of the supporting frame and is connected with a bending pressing wheel. The copper pipe bending device can adapt to bending operation of copper pipes of different specifications, and is convenient to use and high in adjustability.

The invention belongs to the technical field of steel plate cutting, and discloses an urban infrastructure steel plate quantitative cutting device which comprises a bottom plate, supporting columns are fixedly connected to the four corners of the top of the bottom plate correspondingly, a sliding groove is formed in the top of the bottom plate, a workbench is fixedly connected to the tops of the supporting columns, and a steel plate is fixedly placed on the workbench; a cutting groove is formed in the workbench, a cutting knife is arranged at the bottom of the cutting groove, a mounting block is fixedly connected to the side face of the supporting block, a protection mechanism used for preventing cutting scraps from splashing is arranged on the mounting block, and through cooperation of a protection cover, a driving assembly and other structures, the cutting scrap scraps can be prevented from splashing conveniently; and meanwhile, cutting sparks are prevented from being directly exposed, eyes of workers are prevented from being damaged, and the problem that when an existing cutting device conducts cutting through a cutting knife, a large number of sparks and chippings are likely to be generated, and then certain potential safety hazards exist is solved.

The utility model discloses an aerosol can filling machine which comprises a first supporting frame, hydraulic cylinders are arranged on the two sides of the upper end of the first supporting frame, the lower portions of the two hydraulic cylinders are fixedly connected with a mounting plate, a plurality of threaded rods which are arranged at equal intervals are inserted in a mounting groove, nuts are arranged at the upper ends of the threaded rods, and the threaded rods are connected with the first supporting frame. The lower end of the threaded rod is sleeved with an outer pipe, the lower portion of the outer pipe is fixedly connected with a filling head, a conveying assembly is arranged at the lower end of the first supporting frame, fixing bases are arranged on the two sides of the upper end of the conveying assembly, guide rods are inserted into the upper ends of the fixing bases, and pressing plates are arranged on the sides, close to the conveying assembly, of the guide rods. Two symmetrical push rods are arranged on the side, away from the guide rods, of the pressing plate. The filling machine is simple in structure and good in limiting effect, the phenomenon that an aerosol can deviates when moving is avoided, the distance between the filling heads is adjustable, the universality of the filling machine is improved, and meanwhile the production efficiency is effectively guaranteed.

The utility model relates to the technical field of harvesting machinery, in particular to a header stalk chopping mechanism, a header and a harvester, which comprises an upper flail knife component and a lower flail knife component which are arranged at an interval up and down, and a power shaft mounting hole is formed in the center of the top of the upper flail knife component. A plurality of supporting sleeves are arranged between the upper flail knife assembly and the lower flail knife assembly, and the supporting sleeves are detachably connected with the upper flail knife assembly and the lower flail knife assembly correspondingly so that the supporting sleeves of different lengths can be replaced according to the requirement for the distance between the upper flail knife assembly and the lower flail knife assembly. The utility model has the beneficial effects that the arrangement of the double-layer flail knife assembly can ensure a better stubble height, and meanwhile, the stalk chopping effect is greatly improved; different assembling heights of the lower flail knife assembly can be achieved by adjusting the height of the arranged supporting sleeve, and therefore different harvesting requirements are met.

The utility model discloses an environment-friendly plant dye extraction device, which relates to the technical field of plant dye extraction and comprises an extraction tank, a tank cover is arranged at the top end of the extraction tank, a suction filtration pump is fixedly mounted close to the bottom end of a tank body penetrating through one side of the extraction tank, and a crushing component is mounted in the middle of the upper end and the lower end penetrating through the tank cover. An exhaust pipe is fixedly installed on one side of the upper end and the lower end penetrating through the tank cover, a sealing groove is formed in the top end penetrating through the extraction tank, a limiting ring is fixedly installed on the inner ring of the extraction tank close to the bottom end, a filtering disc is arranged at the top end of the limiting ring, and the crushing assembly comprises a motor. By arranging the crushing assembly, the distance between the bottom millstone and the top millstone can be conveniently adjusted according to requirements, plants can be ground according to different types of plants, the extraction efficiency of the plant dye can be improved, the energy consumption is reduced, meanwhile, the limiting ring is arranged to limit the filtering disc, the content of the plant dye in plant residues is reduced, and the plant residues can be well extracted. And waste is avoided.

The utility model relates to the technical field of photovoltaic panels. In particular to a photovoltaic support which comprises fixed supports arranged on two transverse outer sides, a jacking support located between the two fixed supports, adjusting pieces arranged on the fixed supports and the jacking support, a sliding support arranged on the adjusting pieces and a mounting beam arranged on the sliding support. During specific adjustment, the fastening cap is unscrewed, at the moment, the fastening cap and the occlusion disc are separated from the abutting state, a gap exists between the occlusion disc and the rotating disc, at the moment, the rotating disc rotates on the occlusion disc, scales are arranged on the outer side wall of the rotating disc and used for accurate adjustment, and after adjustment is completed, the fastening cap is reversely rotated again, so that the fastening cap abuts against the occlusion disc. And it is guaranteed that the meshing disc abuts against the rotating disc, and then the purpose of adjustment can be achieved.

The invention discloses a rotary desert automatic planting tracked robot and a working process thereof. The robot comprises a frame, and a cavity is formed in the center of the frame; the driving mechanism is fixedly connected to the lower part of the frame; the trepanning mechanism is fixed to the edge of the vehicle frame, and a drill bit is located outside the vehicle frame and can move downwards till making contact with the ground; the front support is located at the position, close to the punching mechanism, above the frame; the central bracket is positioned above the central hole of the frame; the seedling feeding mechanism is fixed above the front bracket; the seedling planting mechanism is composed of a ball screw and a funnel type seedling planter. The ball screw is fixed to the upper portion of the central support, the lower portion of the ball screw is connected with the sliding block, and the funnel-shaped seedling planter is located under the ball screw. The two earth ramming mechanisms are symmetrically fixed to the positions, on the two sides of the central support, of the lower portion of the frame, and earth ramming pieces point to the seedling planting mechanism; and the irrigation and fertilization mechanism is fixed on the frame and is opposite to the cavity in the center of the frame of the front bracket. The robot can achieve the technical effects of being high in land adaptability, planting in different geologies, flexibly adapting to seedling stems of different lengths and diameters, and liberating manpower through automation in the whole seedling planting process.

The utility model relates to the field of paper machines, and discloses a press roll for a paper machine, which comprises a first press roll and a second press roll which are oppositely arranged, a first moving part for driving the first press roll to move, and a second moving part for driving the second press roll to move. Firstly, the second moving part is adjusted to achieve large adjustment of the distance between the first press roll and the second press roll in a large range, and after large adjustment is completed, the first moving part is arranged to control the first press roll to ascend and descend so as to achieve fine adjustment of the distance between the first press roll and the second press roll; and the bevel gear II and the bevel gear rotate to drive the threaded rod to rotate, so that the threaded rod rotationally ascends or descends to drive the sliding column to move upwards or downwards relative to the fixed column, the movable plate I and the first press roll move along with the sliding column, and fine adjustment of the distance between the first press roll and the second press roll is realized. The utility model has the advantages and effects that the distance between the squeezing rollers is convenient to adjust, and the squeezing efficiency is high.

The invention is suitable for the technical field of power system maintenance, and provides a magnetostriction longitudinal ultrasonic guided wave excitation device and a ground wire damage detection method, the device comprises a box body and a connecting box slidably arranged on the box body; the mounting seat is fixedly mounted at the bottom of the inner wall of the box body; the group of threaded cylinders are rotationally mounted in the connecting box and on the mounting seat respectively, and threaded rods are mounted on the group of threaded cylinders in a threaded manner; the exciting coil and the receiving coil are respectively arranged on the group of threaded rods and are used for conducting ground wire damage detection; the bias magnetic field device is arranged at the bottom of the box body and is used for providing a bias magnetic field for the excitation coil; and the mounting mechanism is arranged on the box body and the group of threaded cylinders and is used for fixing the exciting coil and the receiving coil on the ground wire. The magnetostriction longitudinal ultrasonic guided wave excitation device and the ground wire damage detection method provided by the scheme have the advantages that the distance between the excitation coil and the receiving coil can be quickly adjusted, the installation efficiency is further improved, the installation process is simplified, and the device is convenient to carry and use.

The invention discloses a film covering and packaging machine for plastic parts with arc-shaped surfaces, and relates to the technical field of film covering, the film covering and packaging machine for the arc-shaped plastic parts integrates transmission and packaging, and a transmission part of the film covering and packaging machine comprises a mounting plate, a transmission roller, a transmission belt and a driving device; and the packaging part is provided with a leveling roller, an ion fan, a negative pressure dust collector, an electrostatic generator, a steering roller, a film covering roller and a laminating roller, the diameter of the laminating roller is adjustable, the laminating roller adapts to different arc-shaped plastic parts, it is ensured that the film is completely electrostatically adsorbed and attached to the surfaces of the plastic parts, and the laminating quality is guaranteed.