5353 results about "Telescopic cylinder" patented technology

The utility model provides a special-shaped sealing ring installation device which aims at efficiently and accurately installing a special-shaped sealing ring (2) into a piston workpiece (1), a jacking mechanism (8) and an inner supporting expansion mechanism (6) are arranged in the center of a supporting installation plate (3) of the device, a displacement hole movable plate (61) is driven to rotate through a telescopic air cylinder (10), the inner diameter of the special-shaped sealing ring (2) is expanded and enlarged, and the piston workpiece (1) is installed in the piston workpiece (1). And the expansion range of the special-shaped sealing ring (2) is controlled through the adjustment of the adjustable limiting assembly (9). The jacking mechanism (8) drives the special-shaped sealing ring jacking ring (5) through a jacking air cylinder (11) so that the special-shaped sealing ring (2) can be separated from the inner supporting expansion mechanism (6) and installed in a groove of the piston workpiece (1). A penetrating type notch groove (51) is formed in the special-shaped sealing ring top ring (5), the effect that the optical fiber sensor (12) detects the in-place installation condition of the piston workpiece (1) is achieved, and the accuracy and efficiency of sealing ring installation are guaranteed.

The invention discloses a laser cutting platform cleaning device which comprises a supporting frame, a driving chain shaft and a driven chain shaft are arranged on the supporting frame, the driving chain shaft and the driven chain shaft are in transmission through a supporting chain wheel and a supporting chain, a supporting plate is fixed to chain links of the chain, and supporting teeth are vertically installed on the plate. A cleaning assembly is arranged on one side of the supporting frame and is in linkage with the driving chain shaft through a speed changing assembly. The cleaning assembly comprises a cleaning supporting shaft, a cleaning frame, a cleaning shaft and a polishing fluted disc, the driving motor drives the polishing fluted disc to rotate through transmission of a belt and a chain, and the telescopic cylinder drives the cleaning frame to swing to adjust the positions of the polishing fluted disc and supporting teeth. The speed change assembly is engaged with the reduction gear set or the synchronous gear through switching of the clutch gear, and the two modes of low-speed grinding of the driving chain shaft and high-speed supporting tooth switching are achieved. The device further comprises a supporting guide rail, a sliding block, a protective cover and adjustable supporting legs. The device can automatically switch a supporting tooth cleaning mode and a rapid replacement mode, is compact in structure and meets different operation requirements.

The present invention relates to the technical field of battery recycling equipment, and in particular to a discharge device for recycling waste lithium batteries. The hoisting assembly includes winches arranged at intervals on a mounting frame, the ropes of the winches slide through the mounting frame, and the ends of the ropes of the winches are respectively connected to immersion frames, and the immersion frames are loaded with placement frames for placing batteries. Through the coordinated operation of the hoisting assembly, the loading and unloading assembly and the deployment assembly, differentiated discharge treatment of waste lithium batteries is achieved; by using the winch and the multi-stage telescopic cylinder in conjunction with the independent immersion frame and placement frame structure, targeted discharge can be performed on batteries with different remaining power conditions; at the same time, the loading and unloading assembly supports the independent transportation of batteries before and after discharge, providing guarantees for continuous and batch operations, and the deployment assembly can adjust the brine ratio in real time to ensure a consistent electrolyte environment during the discharge process, thereby improving the stability of the discharge effect and the resource recovery rate.

The utility model provides a mechanical running-in device for a circuit breaker, which relates to the technical field of mechanical running-in devices and comprises a workbench. The first motor is started, the first motor can drive the gear to rotate when working, the gear can drive the rack meshed with the gear to slide downwards in the sliding groove in the rotating process, and the rack can drive the L-shaped rod to slide downwards in the sliding groove in the downward sliding process; an L rod drives a connecting plate, a telescopic air cylinder and a poke rod to move downwards together in the downward sliding process, a first motor is turned off when the poke rod is moved to be flush with a switch of the circuit breaker, then the telescopic air cylinder is started, the telescopic air cylinder drives the poke rod to move in the working process, the poke rod pokes the switch of the circuit breaker in the moving process, and then the circuit breaker is started. The circuit breaker can be subjected to multiple times of running-in detection by repeatedly shifting the switch of the circuit breaker, the automatic running-in detection function of the circuit breaker is realized through the design, and manual operation in the detection process is effectively avoided.

The utility model discloses a fruit picking and subpackaging device which comprises a vehicle body, a support, a guide assembly, a conveying belt, a lower fruit receiving basin, an upper fruit receiving basin and a sorting assembly, the guide assembly comprises a first telescopic cylinder and a second telescopic cylinder, and a picking mechanism and a storage mechanism are arranged at the output end of the second telescopic cylinder. A camera connected with the controller is arranged on the picking mechanism; a stirring mechanism is arranged in the upper fruit receiving basin, the sorting assembly comprises a sorting and receiving hopper assembly, the sorting and receiving hopper assembly comprises a plurality of receiving hoppers, and an electric door mechanism used for controlling fruit discharging is arranged at the discharging end of each receiving hopper; the camera, the picking mechanism and the storage mechanism which are connected with the controller are arranged, so that the picking angle of the fruit picking mechanism is convenient to observe and adjust in real time, and the falling accuracy of picked fruits is improved; a fruit receiving basin, a stirring mechanism, a sorting assembly and an electric door mechanism are arranged to assist the fruits in moving and facilitate rapid classification, packaging and placement.

The utility model discloses a field cultivation platform, which belongs to the technical field of cultivation equipment and comprises a work platform, a steering support mechanism and the like, and a cross beam of the work platform is a steel pipe and is fixedly connected with a beam frame and an end plate; the steering supporting mechanism comprises a rotating drum, an upper seat body, a lower seat body, a swing arm and a wheel set; through cooperative control of the first telescopic cylinder, the second telescopic cylinder and the third telescopic cylinder, the functions of height adjustment, flexible steering and off-ground steering assisting are achieved; an end plate is provided with an adjusting hole to adjust the terrain clearance of the platform, the stability is enhanced through the swing arm structure design, and the second telescopic cylinder expands the steering angle of the wheel set through a folding arm structure; the beam is of a sealed structure to form a hydraulic oil cavity, space is saved, and maintenance frequency is low. The farmland cultivation platform is flexible in steering, suitable for farmland operation in complex terrains and capable of efficiently completing tasks such as cultivation and transition, and adaptability and operation efficiency are greatly improved.

The invention belongs to the field of high-voltage cables, particularly relates to self-propelled unfolding equipment for high-voltage cables, and aims to solve the problems that the use position of an existing cable reel is fixed, a fixed pay-off rack is adopted at present, and once the cable reel is erected, the position of the pay-off rack is fixed and cannot be adjusted in the later period. And no self-adaptive cable reel adjusting function exists. And automatic leveling is realized without a cable reel. In order to solve the problem that in the prior art, a cable reel brake function does not exist, according to the scheme, the crawler-type walking device comprises a crawler-type walking device body, an upper frame, a hoisting mechanism and a cable reel support, the crawler-type walking device body is horizontally arranged on the ground, and the upper frame is arranged on the crawler-type walking device body. The cable reel support achieves independent height and interval adjustment through a lifting mechanism (a lifting oil cylinder and an inner rod and outer barrel structure) and a contraction and expansion mechanism (a telescopic oil cylinder and a sliding block and sliding groove), can adapt to cable reels of different specifications, achieves automatic leveling through an electric control system, and avoids equipment damage or operation interruption caused by unbalance loading.

The utility model belongs to the technical field of practical training equipment, and particularly discloses a threaded connection tightening practical training platform with a pre-tightening force function, which comprises a rack, a telescopic cylinder, a control valve, a pressure gauge and a storage container for storing a working medium for feeding back the magnitude of pre-tightening force, the end part of a piston rod of the telescopic cylinder is connected with a test bolt, and one end, far away from the piston rod of the telescopic cylinder, of the test bolt penetrates out of one side of the rack; the storage container is communicated with a rod cavity and a rodless cavity of the telescopic cylinder through pipelines, the control valve is installed on the pipeline between the storage container and the rod cavity or the rodless cavity of the telescopic cylinder, and the pressure gauge is used for measuring the pressure in the rod cavity or the rodless cavity of the telescopic cylinder. According to the utility model, trainees can better understand threaded connection, false tightening and the like are prevented, and the reliability of connection is improved.

In order to simplify an existing gas protection device in welding and keep effective protection of the gas protection device on a welding seam, the utility model provides a welding back protection tool device which comprises a base frame with a gas containing cavity, a gas inlet is formed in one end of the base frame, an exhaust port is formed in the other end of the base frame, and a plurality of telescopic cylinder assemblies are arranged around the exhaust port. And a sealing blade is arranged on the outer side of the telescopic cylinder assembly. In the specific using process, a stable and pure gas environment can be provided for a welding area, and therefore the welding reliability and quality are remarkably improved. In addition, the device can be installed on a movable device in the prior art to synchronously follow a welding gun so as to stably and continuously protect a welding spot.

The present invention relates to a winding mechanism for inductor production, comprising a processing table, a carrier table, a guide module, a winding module, and copper wire; the carrier table is fixedly connected to the processing table, and workstations 1 and 2 are reserved above the carrier table; the guide module is arranged in workstation 1 of the carrier table, and the winding module is arranged in workstation 2 of the carrier table, and the copper wire passes through the guide module and is coiled on the winding module; a U-shaped block is installed on the processing table, and a pair of cutting tools are arranged in the block for telescopic movement by means of a threaded rod and a threaded sleeve. This inductor production winding mechanism uses a telescopic cylinder to link the movable sleeve to flip, and adjusts the curvature of the copper wire between the conveyor belt and the winding column in real time, avoiding the problem of excessive curvature caused by wire accumulation, ensuring winding uniformity and copper wire tension stability, and preventing deformation or damage to the copper wire.

The assembling device comprises a base, a supporting frame is arranged above the base, and a top plate is arranged at the upper end of the supporting frame. A top rubber mounting assembly is arranged between the base and the top plate and is fixedly connected with the top end of a piston rod of the telescopic cylinder; a first mounting plate is arranged below the top rubber mounting assembly, and two spring positioning assemblies of the same structure are symmetrically mounted at the front end of the first mounting plate; a second mounting plate is arranged below the first mounting plate, and a third mounting plate is arranged below the second mounting plate. Through the design of the spring positioning assembly and the cooperative work of the double-shaft air cylinder and the telescopic air cylinder, effective limiting and stable supporting of the spring are achieved, irregular movement of the spring in the compression process is avoided, meanwhile, the compatibility with a shock absorber shell is ensured through the design of an avoiding groove in a limiting plate, and the service life of the shock absorber shell is prolonged. And the assembly precision, the finished product quality and the production efficiency of the shock absorber are remarkably improved, and the production cost is reduced.

The conveying path controllable type conveying belt system comprises a rail base and at least two conveying belt units arranged on the rail base, each conveying belt unit comprises a movable bottom plate, a mounting rack and a conveying belt, the mounting racks are arranged on the movable bottom plates, and the movable bottom plates are arranged on the rail base in a sliding mode; the conveying belt comprises a driving roller, a telescopic cylinder and two rows of guide rollers, the lower row of guide rollers can move up and down relative to the upper row of guide rollers, and a return section of the belt sequentially and alternately penetrates through the two rows of guide rollers in an S-shaped path; the invention further provides an adjusting method. According to the conveying system with the adjustable conveying path, the multiple adjustable conveying belts are in butt joint to form the conveying system with the adjustable conveying path, the positions of the two ends of each conveying belt can be independently adjusted, and the lifting jack at the bottom of each conveying belt is matched, so that the conveying height, the conveying path length and the conveying inclination of each conveying belt can be adjusted as required; the conveying path of the conveying system is flexible and adjustable.

The invention relates to the technical field of food kelp processing, and provides efficient air-drying equipment and method for kelp production, the efficient air-drying equipment comprises a hot air circulation bin, a circulation moving mechanism, a hanging module, an unhooking module and an air-drying frame, the circulation moving mechanism comprises a driving part, a transmission shaft, a gear and a transmission belt, and the gear is fixedly arranged on the surface of the transmission shaft; the driving part is used for controlling the transmission shaft to rotate, the inner side of the transmission belt is in transmission connection with the gear, the hanging module comprises a hook, inclined faces and a movable pin, the movable pin is fixedly connected to a hook body of the hook, the inclined faces inclining towards the component are arranged on the two sides of a hook groove of the hook, and the hook is used for hanging rope rings for binding kelp. The unhooking module comprises a limiting frame and a telescopic air cylinder, the telescopic air cylinder is arranged between the air drying frame and the limiting frame, and a hook body of the hook can make contact with the limiting frame, so that smooth unhooking is guaranteed, and the function of automatically collecting the dried kelp is achieved.

The utility model relates to the technical field of feeding devices, and discloses a feeding device of a high-precision discharging leveling machine, which comprises a mounting plate, a supporting plate is fixedly connected to the left side of the top end of the mounting plate, a control end is arranged at the bottom end of the front side of the supporting plate, a first motor is fixedly connected to the left side of the supporting plate, and a second motor is fixedly connected to the right side of the supporting plate. The driving end of the first motor is fixedly connected with an expansion frame, the middle of the mounting plate is fixedly connected with two first telescopic air cylinders, the top end of the left side of the mounting plate is fixedly connected with a guide rod, the driving end of the guide rod is fixedly connected with an L-shaped supporting plate, and the top end of the left side of the L-shaped supporting plate is fixedly connected with four supporting rods. According to the utility model, the coiled materials with different diameters and thicknesses can be stably mounted, so that the coiled materials are more convenient to mount, the coiled materials uncoiled on the deviation rectifying roller can be subjected to swing deviation rectification, and the position accuracy of the materials when the materials enter a processing procedure can be ensured, so that the processed products are stable in quality and high in precision.

The present invention relates to the technical field of pipe bending and provides a bending machine with adjustable angle of building pipes, comprising an inner rotating module, an outer rotating module, a double rotor group, a radial adjustment module, and an adjustable bending module, wherein the inner rotating module comprises an inner core body, the outer rotating module comprises a rotating mother ring, the inner core body is movably arranged in the rotating mother ring, the double rotor group comprises a double rotating drum rotating around its respective axes, the radial adjustment module comprises a telescopic cylinder 1 and a single rotating drum, the telescopic cylinder 1 is fixedly arranged in the rotating mother ring, the single rotating drum is connected to the telescopic cylinder 1, the inner walls of the double rotating drum and the single rotating drum are both provided with limiting protrusions, the adjustable bending module comprises an integrated bending mold and an adjusting component, the integrated bending mold comprises a pin shaft, roller 1, roller 2, roller 3 and a limiting groove, the adjusting component is connected to the pin shaft, roller 1, roller 2 and roller 3 are all fixedly sleeved on the surface of the pin shaft, and has the characteristics of diverse functions, wide range of applications and easy use.

The utility model discloses a construction reinforcing steel bar detection clamp, which comprises a fixed table, the outer wall of the top of the fixed table is connected with two clamping structures through adjusting assemblies, each clamping structure comprises a fixed frame and a telescopic cylinder, the fixed frame is in sliding fit with the outer wall of the top of the fixed table, and the telescopic cylinders are arranged on the fixed frame. The telescopic air cylinder is installed on the outer wall of the top of the fixing frame, a lower clamping plate assembly and an upper clamping plate assembly are oppositely arranged on the inner wall of the fixing frame, the upper clamping plate assembly comprises a fixing plate and a connecting plate, the fixing plate is connected to the telescopic end of the telescopic air cylinder, connecting rods are connected to the two sides of the fixing plate, and one ends of the two connecting rods are connected with the same connecting plate. A pressure sensor is arranged between the fixing plate and the connecting plate; according to the steel bar clamping device, by arranging the connecting plate, the pressure sensor and the connecting rod, the pressure on a steel bar can be controlled when the steel bar is clamped, and deformation of the steel bar caused by too large clamping force is avoided.

The utility model discloses a welding tool anti-deformation side pulling device which comprises a moving mechanism and at least two oppositely-arranged working modules installed on the moving mechanism. The working module comprises a base, a side pulling structural part horizontally and slidably installed on the base and a telescopic air cylinder installed on a base block and connected with the side pulling structural part. The side pulling structural part is matched with a vertical face of the base in a spaced mode, a material placing position is formed by the side pulling structural part and the vertical face, and the telescopic air cylinder drives the side pulling structural part to horizontally move relative to the base. According to the side pulling device, the linear size of the frame can be kept, the assembly precision after welding is improved, the consistency and stability of products can be remarkably improved, and the reworking and adjusting cost caused by welding deformation is reduced.

The utility model discloses a press fitting device for a bearing sealing ring, which comprises a device base, a vertical plate I is fixedly arranged on one side of the top of the device base, a top plate is fixedly arranged on the top of the vertical plate I, an electric telescopic cylinder is arranged on one side of the bottom of the top plate, and a mounting plate is fixedly arranged on the end part of the telescopic end of the electric telescopic cylinder. A press-fitting module is fixedly mounted on one side of the bottom of the mounting plate, four cross-shaped centering adjusting blocks capable of being movably adjusted are annularly mounted on the other side of the top of the device base at equal intervals, bearings are arranged among the four cross-shaped centering adjusting blocks, and the bearings are located under the press-fitting module; according to the press-fitting device for the bearing sealing ring, centering alignment operation and sealing ring press-fitting operation can be automatically carried out on the bearing, so that the bearing machining efficiency and speed are effectively improved, and batch machining and production of the bearing are facilitated.

The invention relates to the technical field of transformer iron core machining, in particular to a stacking and overturning method and system for transformer iron core machining, and the method comprises the steps that S1, iron cores are stacked and fixed on a lamination table of a lamination station; s2, a transfer device is controlled to transfer the lamination table to a main overturning table and fix the lamination table; s3, the transfer device is controlled to transfer the bearing bracket to the auxiliary overturning table and fix the bearing bracket; s4, the auxiliary overturning table is pushed to rotate upwards by 90 degrees around the hinge base; s5, the table top of the auxiliary overturning table is pushed to stretch out to abut against the side face of the iron core; (S6); the main overturning table is pushed to rotate around the hinge seat; and the auxiliary telescopic cylinder is synchronously controlled to contract. The overturning process does not depend on hoisting equipment, so that the dependence on auxiliary equipment such as a travelling crane is reduced; the overturning process is achieved through hydraulic driving and precise matching of the main overturning table and the auxiliary overturning table, on one hand, investment of a large-scale plant matched with hoisting equipment can be saved, and on the other hand, potential safety hazards caused by hoisting to a working site are avoided.

The utility model discloses a fruit picking storage device which comprises a support fixedly arranged on a vehicle body and a guide assembly adjustably arranged on the support, and the guide assembly comprises a first telescopic cylinder connected with the support and a second telescopic cylinder hinged to the output end of the first telescopic cylinder. A picking mechanism is connected to one side of the output end of the second telescopic cylinder, a storage mechanism is connected to the other side of the output end of the second telescopic cylinder, and a camera connected with the controller is arranged on the picking mechanism. When the fruit picking device is used, the picking mechanism is controlled by the camera to pick fruits, and the picked fruits directly fall into the storage mechanism. The vehicle body is arranged to move the guiding assembly, the fruit picking mechanism and the storage mechanism conveniently, the camera connected with the controller is arranged, the picking angle of the fruit picking mechanism can be observed and adjusted in real time conveniently, and the picking mechanism can pull branches and drive a single fruit to move to the feeding end of the storage mechanism. And the accuracy of the picked fruits falling into the storage mechanism is improved.

The invention discloses an automatic part taking stamping trimming die which comprises a lower die base, an upper die base is movably connected to the upper portion of the lower die base, an upper cushion plate is installed on the upper die base, a male die is installed on the upper cushion plate, a lower cushion plate is installed on the lower die base, a first female die is installed on the lower cushion plate, and a second female die is installed on the lower cushion plate. A through hole matched with the male die is formed in the first female die. Through the arrangement of the material taking mechanism, the bearing frame, the servo motor and the second telescopic air cylinder, compared with the prior art, the formed plate can be automatically taken down through the material taking mechanism, compared with a manual material taking mode, the material taking time is effectively saved, the labor intensity of workers is reduced, the structure is simple, use is convenient, and the practicability is high. And under the cooperation of a second telescopic air cylinder and a servo motor, the bearing frame can be driven to ascend and descend, the angle can be adjusted, chippings generated by direct contact between the waste and the waste discharging channel can be prevented from splashing in the mode that the bearing frame is used for buffering and descending to convey the waste, and therefore the safety of workers is guaranteed.

The invention relates to the technical field of welding, in particular to a power distribution cabinet partition plate continuous welding device which comprises a supporting frame, a first motor and a power distribution cabinet, supporting legs are fixedly connected to the surface of the supporting frame, a transmission wheel is arranged at the output end of the first motor, and the outer surface of the transmission wheel is sleeved with a conveying belt. According to the automatic welding device for the partition plate in the power distribution cabinet, the placement operation of the partition plate in the control frame is completed under the action of the telescopic air cylinder, the welding effect of the partition plate in the power distribution cabinet is achieved through connection of a third motor and a third driving screw rod, connection of the third driving screw rod and a moving block and connection of the moving block and the welding frame, and the automatic welding effect is achieved; through connection of the connecting rod and the electromagnet assembly and adsorption of the electromagnet assembly and the partition plate, when the position of the power distribution cabinet changes along with the conveying belt, the partition plate synchronously changes along with the position of the power distribution cabinet, and the continuous welding effect of the partition plate in the power distribution cabinet is achieved in cooperation with use of the welding frame and the containing box.

The invention discloses an automobile injection molding part detection device which comprises a light shell, a scanning controller is arranged in the light shell, four infrared scanners are fixedly connected to the inner wall of the scanning controller, scanning eyes are arranged in the four infrared scanners, a set of energy gathering devices are fixedly connected to the inner walls of the scanning eyes, and the energy gathering devices are fixedly connected to the inner walls of the energy gathering devices. A radiation silk thread is fixedly connected between one group of energy gathering devices, a transverse linkage rod is fixedly connected to the outer wall of the scanning eye, two groups of pressure-bearing springs are fixedly connected to the outer wall of the transverse linkage rod, and a bidirectional telescopic air cylinder is fixedly connected to one end of the transverse linkage rod. A group of energy gathering devices in a scanning eye start to gather energy and then radiate the energy out through radiation silk threads, infrared scanners start to scan automobile injection molding parts, four infrared scanners in a scanning controller can enable the scanning range to be diffused all around, when a telescopic air cylinder stretches out and draws back, the four infrared scanners start to swing up and down, and the four infrared scanners start to scan the automobile injection molding parts. And the robot achieves a detection effect.

The invention belongs to the technical field of water reducing agent production equipment, and particularly relates to reaction equipment for water reducing agent production, which comprises a reaction tank, a stirring motor and a defoaming assembly, a shell of the stirring motor is fixedly connected with the reaction tank; a stirring shaft is arranged in the reaction tank; a paddle assembly and a scraper assembly are arranged on the stirring shaft; a feeding pipe and a discharging pipe are arranged on the reaction tank; the bubble removing assembly comprises an exhaust pipe, a connecting sleeve, a telescopic cylinder and a bubble removing rod. A supporting rod is fixedly connected to the connecting sleeve, one end of the telescopic cylinder is fixedly connected with the reaction tank, and the other end of the telescopic cylinder is connected with the supporting rod through an elastic assembly; the connecting sleeve is positioned above the sliding sleeve; a plurality of arc-shaped protrusions are distributed on the lower surface of the connecting sleeve, and ejector rods matched with the arc-shaped protrusions are arranged on the upper surface of the sliding sleeve. The arc-shaped bulge is matched with the ejector rod, so that the rotary motion of the stirring shaft is converted into the axial reciprocating motion of the connecting sleeve, and the bubble removing rod is driven to move up and down to pierce bubbles.

The invention discloses a forging and pressing die for electric power fitting part production and a forging and pressing method thereof, and belongs to the technical field of electric power fitting production. The forging and pressing die comprises an operation table and a material collecting box arranged on one side of the operation table, a lower die assembly is installed on the operation table, an upper die assembly is arranged above the lower die assembly, and telescopic air cylinders are installed on the two sides of the operation table; the output ends of the two telescopic air cylinders are both fixed to the upper die assembly, and a material receiving assembly used for receiving waste materials is further arranged between the lower die assembly and the upper die assembly. The multiple connecting rods are in matched linkage with the upper die body, in the forging and pressing process, automatic moving and resetting of the material collecting plate are achieved, by means of the design, tedious and inconvenient manual operation is avoided, the stability and accuracy of the material collecting plate in the forging and pressing process are guaranteed, meanwhile, waste can be cut off through the arrangement of a cutting knife, and the waste is prevented from being damaged. And the material collecting assembly is used for centralized and unified treatment, so that the working efficiency is greatly improved.

The invention discloses an automatic continuous laying device for a flexible net of a coal mine tunneling roadway roof and a net laying method, and belongs to the technical field of coal mine roadway supporting. The device comprises a cantilever type fully-mechanized excavating machine, a top beam, a telescopic beam, a protection plate and a flexible net storage bin, and dynamic adjustment of the height and the pitch angle of the top beam is achieved through a supporting stand column lifting oil cylinder and an adjusting oil cylinder; different top plate inclination angles are adapted; the telescopic beam is driven by a telescopic oil cylinder to extend forwards to the coal wall, the flexible net is driven to be laid along the surfaces of the protection plate, the telescopic beam and the top beam, and the protection plate is overturned to be attached to the coal wall to achieve double protection of the top plate and the coal wall. The net laying method comprises the steps of top beam pre-adjustment in the cutting stage, telescopic beam net laying and top contact in the temporary supporting process, permanent supporting anchor rod fixing net pieces and continuous releasing of the flexible net with an anchoring point as a fulcrum in the reset stage. Integrated operation of cutting, supporting and net laying is achieved, automatic continuous net laying is achieved, linkage control is formed among all procedures, the applicability to roadway coal wall supporting is good, and the net laying operation efficiency is high.

The invention discloses a deformation control device for forklift portal frame structure welding, and relates to the technical field of welding deformation control, the deformation control device comprises a turnover machine, a turnover frame, a moving frame arranged on the turnover frame and a moving mechanism for driving the moving frame to move transversely, and the moving frame is provided with a monitoring module comprising a visual monitor and an infrared thermometer; a plurality of correcting assemblies are arranged at the top end of the overturning frame, each correcting assembly comprises a fixed frame, a sliding frame and an extrusion roller, and the movable frame is provided with an upper electric telescopic cylinder capable of driving a triangular inserting plate to extrude a round rod so as to drive the extrusion rollers to abut against the portal; the fixing frame is provided with a clamping assembly, a linkage plate is driven through a lower electric telescopic cylinder, and a bottom plate and a clamping plate are driven to rigidly fix the portal. The position of the fixing frame can be adjusted through bolts and the limiting grooves. The device can monitor welding deformation in real time and dynamically correct the welding deformation, is adaptive to portals of multiple specifications, improves the welding precision and efficiency, guarantees the quality of the portals, and reduces the labor dependence and the equipment cost.

The invention relates to the technical field of wire harness connection, in particular to an automobile wire harness high-strength connector which comprises a male head and a female head which are arranged on the outer side, attaching plates are slidably arranged on the four inner side faces of the female head, sliding blocks are slidably arranged on the upper side face and the lower side face of the female head front and back, and spring telescopic cylinders are fixedly installed on the left sides of the sliding blocks. And wedge-shaped blocks used for pushing the corresponding attaching plates to abut against the male head are fixedly installed on the male head, the outer side of the male head is sleeved with a linkage frame in a left-right sliding mode, and shifting blocks are arranged on the upper side face and the lower side face of the linkage frame in a sliding mode. A gap is reserved between the inner side face of the attaching plate and the insertion face of the male head, so that the male head can be easily inserted into the female head, rapid insertion is achieved, if the male head is not inserted in place, the locking assembly enables the sliding block and the shifting block not to move, if external force is removed, the male head and the female head can be pushed away from each other through restoring elastic force of the spring telescopic cylinder, and the connection reliability is ensured.

The utility model relates to the field of vibro-replacement gravel piles, and discloses a vibro-replacement gravel pile perpendicularity control auxiliary device which comprises an auxiliary main supporting frame, a circular through hole is formed in the top face of the auxiliary main supporting frame, and a vibro-replacement gravel pile body is arranged in the circular through hole. An auxiliary control mechanism used for limiting the vibration stone breaking pile body is arranged in the circular through hole, the auxiliary control mechanism comprises push plates, hydraulic telescopic cylinders, springs, limiting clamping plates, laser displacement sensors and a control box body, the multiple push plates are arranged in the circular through hole, the hydraulic telescopic cylinders push the push plates to move, and the hydraulic telescopic cylinders push the limiting clamping plates to move. According to the device, the vibro-replacement gravel pile body can be efficiently clamped and limited, the perpendicularity of the vibro-replacement gravel pile body can be maintained, when the vibro-replacement gravel pile body deviates, correction can be conducted in time by means of the multiple hydraulic telescopic cylinders, and the construction quality and the engineering stability are improved.

The present invention discloses a cold pressing and forming device for the production of a metal-bonded diamond grinding wheel in the field of diamond grinding wheel forming technology. A cold pressing and forming assembly is installed on the basic assembly. The output end of the hydraulic telescopic cylinder is fixedly assembled with an upper mold, and a lower mold adapted to the upper mold is fixed on the basic assembly. A flattening assembly is assembled in the lower mold, and a cooling assembly driven by the flattening assembly is installed in the basic assembly. By setting the flattening assembly, the cold pressing and forming disk is set to be rotatable and relatively rotate with the lower mold, which can flatten the raw materials on the cold pressing and forming disk without affecting the use of the lower mold. The cooling assembly is added and the cooling assembly is driven to act when the flattening assembly acts to achieve an effective heat exchange effect, solving the problem that it is difficult to effectively dissipate heat from the overall cold pressing of the grinding wheel. A demoulding assembly is added to complete the automatic mold lifting operation.