25results about How to "Realize the limit function" patented technology

The utility model discloses an electromagnet which comprises a support body and a cover plate fixedly arranged on one side of the support body. An execution assembly is arranged in the support body, the bottom and the top of the support body are both provided with anti-seismic colloid, the bottom is further provided with a PIN terminal, the PIN terminal is electrically connected with the execution assembly, and the connecting position of the PIN terminal and the execution assembly is wrapped by an insulation connecting bridge. The execution assembly comprises a winding supporting piece, a limiting shaft sleeve, an iron core, a permanent magnet and a coil. The two ends of the limiting shaft sleeve are provided with limiting holes, and sliding limiting of the iron core is achieved through a guide block and a positioning base. The anti-seismic performance, the integration level and the installation convenience of the electromagnet can be improved, meanwhile, the leakproofness and the insulativity of the welding part are ensured, and the electromagnet is suitable for an automobile ABS system.

The application relates to the technical field of mutual inductor winding production, and discloses a mutual inductor winding production processing equipment and a processing method thereof, which comprises a winding device, a rectangular core is arranged above the winding device, a plurality of air pipes are fixedly arranged at the output end of an air pump, a supporting seat is slidably connected to the upper side of the winding device, double-head air cylinders are slidably connected to the inner bottom wall of the supporting seat, supporting rods are fixedly arranged at the output end upper end of the double-head air cylinders, a plurality of sliding cylinders I are fixed to the outer wall of the supporting rods, sliding rods I are slidably arranged at the other ends of the sliding cylinders I, and a motor II is fixed to the inner bottom wall of the winding device. The controller, the air pump and the double-head air cylinders are matched, the gas pushes the plurality of sliding rods I to move and abut against the inner side of the fillet of the rectangular core, so that the problem that the existing technology cannot adapt to the cores with different fillet radii, the equipment has a single application scene and has poor universality is solved.

The utility model belongs to heat exchanger shell technical field, concretely relates to a heat exchanger shell sealing element, including heat exchanger shell, heat exchanger shell one side is provided with the tube sheet, the tube sheet is connected with the flange disc through the connecting assembly, the flange disc one side is provided with the pipe box, and is provided with the first installation slot on the flange disc, the first sealing gasket is set up in the first installation slot, the second installation slot is set up on the tube sheet, the second sealing gasket is set up in the second installation slot, the second sealing gasket is integrally formed with the first sealing gasket, a plurality of through -holes that communicate with the first installation slot are arrayed and are set up on the flange disc, and the flange disc one side array is provided with a plurality of first magnetic blocks, and every first magnetic block position corresponds with every through -hole position. The device makes sealing gasket firmly fixed after installation, prevents the displacement of sealing gasket due to factors such as vibration, pressure fluctuation during the operation of heat exchanger, and greatly enhances the reliability of sealing.

This utility model discloses a large-diameter pipe installation and handling device, including a mobile lifting frame for moving the pipe. The mobile lifting frame includes: four columns with rollers at the bottom, a horizontal beam plate fixedly connected to the four columns, a gripping mechanism for gripping the pipe wall, and a lifting mechanism for lifting the pipe. The lifting mechanism includes a lifting plate and a lifting drive mechanism for driving the lifting plate to move up and down. Two or more vertical guide columns are fixedly connected to the beam plate, extending downwards from the bottom of the beam plate. The lifting plate is located below the beam plate and has guide holes that slide with the guide columns. The lifting drive mechanism includes a fixed part and a movable part that moves relative to the fixed part. The lifting plate is fixedly connected to the movable part, and the beam plate is fixedly connected to the fixed part. The lower surface of the lifting plate has double slide rails with the axis in the front-back direction. The double slide rails face each other left and right. This utility model can lift and fix the pipe, achieving a hoisting function, thus enabling the handling of large-diameter pipes in situations where a crane is unavailable.

The utility model relates to the technical field of sockets, in particular to a socket, which comprises a base, a plug bush assembly and an upper cover, an installation cavity is arranged on the base, the upper cover is connected with the installation cavity in a buckling way, the plug bush assembly is arranged inside the installation cavity, an abutting part is arranged on the inner wall of the upper cover, and when the upper cover is buckled with the installation cavity, the plug bush assembly is inserted into the abutting part. The socket is provided with a structure for limiting and fixing the plug bush assembly, so that the plug bush assembly is prevented from shaking in the socket when a plug is plugged into and pulled out of the socket, and stable electric connection is ensured.

This invention discloses a stroke-limiting hydraulic cylinder, including a cylinder barrel, a hydraulic mechanism, and a hydraulic oil circuit, as well as a locking oil circuit and a locking mechanism. The locking mechanism includes a valve stem that moves from a first position to a second position under the drive of hydraulic fluid. A limiting mechanism is used to reset the valve stem from the second position to the first position when the hydraulic mechanism performs a retraction action, cutting off the locking oil circuit from the hydraulic oil circuit, thereby stopping the hydraulic mechanism from retracting and achieving stroke limitation. This stroke-limiting hydraulic cylinder, through the locking mechanism and in conjunction with the limiting mechanism installed on the piston rod, can realize the opening and closing of the locking oil circuit and the hydraulic oil circuit, thereby changing the position state of the valve stem. When the limiting mechanism is installed at a suitable position on the piston rod according to the stroke limitation requirements, the limiting mechanism drives the valve stem to reset while the piston rod performs a retraction action, thereby blocking the hydraulic circuit by the valve stem and preventing further oil return, thus achieving the limiting function.

This invention relates to the field of laser cutting technology, specifically to a metal mesh cutting device and method. The device includes a conveying mechanism and a supporting mechanism. The conveying mechanism includes a base, a support frame, a motor a, a conveying roller, and a conveyor belt. The support frame is connected to the base. The conveying roller is rotatably connected to the support frame. The conveyor belt is connected to the conveying roller. The motor a is mounted on the support frame and is connected to the conveying roller for transmission. The conveyor belt has holes a. The supporting mechanism includes a telescopic component, a hollow plate, a tube, an elastic membrane, an isolation tube, and a partition. The hollow plate is located between the conveyor belts. The telescopic component is mounted on the base and connected to the hollow plate. The hollow plate has holes b. The tube is slidably connected to holes b. The bottom end of the tube has a telescopic groove. The isolation tube is slidably connected to the telescopic groove and also connected to the partition. The partition is connected to the inner wall of the hollow plate. The elastic membrane is connected to the bottom end of the tube and the partition. This invention utilizes a dense needle bed composed of tubes to achieve effective fixation of a three-dimensional metal mesh.

The dustbin cover convenient to open comprises a frame-shaped frame, two top plates are arranged on the top face of the frame-shaped frame, the opposite end faces of the two top plates are connected in a rotating mode, rotating shaft rods are arranged at the far ends of the two top plates, guide sliding ways are arranged on the side walls of the frame-shaped frame, the rotating shaft rods are in sliding fit with the guide sliding ways, and the top faces of the two top plates are connected in a rotating mode. The outer end of the rotating shaft rod is connected with a pull rope, and the pull rope is pulled away from the rotating shaft rod. The device has the beneficial effects that opening and closing of the top plate are controlled through the pull rope, and the operation mode is simpler, more convenient and more flexible; a user can easily open or close the garbage can cover only by pulling the inelastic pull rope, direct contact with garbage is avoided, smooth movement of the top plate is guaranteed through cooperation of the guide sliding way and the rotating shaft rod, the limiting function of the cover is effectively achieved, the top plate can be opened from the two sides of the device, and daily use is facilitated.

This utility model relates to the technical field of anti-wear transition structures, and discloses an anti-wear transition structure for cable tray corners, including a corner cable tray. An evenly distributed pressure-sharing and fixed anti-wear mechanism is fitted onto the outside of the corner cable tray, and a limiting mechanism for limiting cable movement is provided on the inner side of the evenly distributed pressure-sharing and fixed anti-wear mechanism. This anti-wear transition structure for cable tray corners, through the use of multiple rotating guide rollers, allows the cable to be smoothly transitioned during corner traction, resulting in a smoother rotation angle. Simultaneously, by utilizing corner blocks fitted onto the outer corner of the inner corner of the corner cable tray and corner frames fitted onto the outer corner of the corner cable tray, and through the tightening effect of the screw, the load-bearing capacity is evenly distributed across the corner cable tray while ensuring uniform stress distribution, preventing excessive load on one side and effectively avoiding localized deformation and bending of the cable tray.

A coating inkjet marking device and coating machine belong to the field of inkjet printer technology. The coating inkjet marking device includes a bracket, which is vertically arranged. A first inkjet printer is fixedly installed in the lower part of the bracket, and the first inkjet printer is higher than the bottom of the bracket. A second inkjet printer is slidably arranged in the middle part of the bracket, and a third inkjet printer is slidably arranged in the upper part of the bracket. The second and third inkjet printers are respectively connected to a set of synchronous belt assemblies, which fix the first inkjet printer in the lower part of the bracket, making it a reference for adjustment. The second and third inkjet printers slide and adjust in corresponding areas based on this reference, without having to determine the absolute position of each one, which can greatly improve the adjustment efficiency and reduce the occurrence of missed or incorrect adjustments. At the same time, the fixed position of the first inkjet printer is not easy to shift. The relative position of the second and third inkjet printers with respect to the first inkjet printer can be quickly identified to see if the second and third inkjet printers have shifted due to accidental touch or vibration, and timely calibration can be performed to avoid overall offset of the marking position.

The invention relates to the field of cable connection, in particular to a fusion welding type recovery cross-linked cable straight-through connector which solves the problems that the phenomenon of falling off or faults caused by unstable connection at the connector is avoided, and the functions of self-locking, water prevention and the like are achieved, two cables to be fused are arranged, and battery cells are arranged in the cables; and the insulation connecting part is composed of a plurality of layers, and the insulation connecting part is located on the outer wall of the split battery cell. According to the invention, two welded electric cores can form a structure consistent with that of an original electric core, so that a plurality of cables are ensured not to fail due to connection with the connectors after being connected pairwise, the actual production and transportation requirements are met, and after connection, through the arrangement of the first connector and the second connector, after the two cables are welded, the cables can be connected with each other, so that the production efficiency is improved. The outer wall of the cable is fixed, the self-locking function can be achieved, the sealing and water blocking functions are achieved at the same time, and the falling phenomenon caused by vibration is avoided.

The radar rotary table comprises a base, a rotary table, a driving motor, a gear, an encoder and a slewing bearing, the base is fixed to the outer ring of the slewing bearing, the rotary table is fixed to the inner ring of the slewing bearing, the driving motor is fixedly installed on the rotary table, an output shaft of the driving motor coaxially fixes the gear, and the outer ring of the slewing bearing is provided with outer teeth. The gear is meshed with outer teeth on the outer ring of the slewing bearing, and the encoder is installed on the radar rotary table and used for detecting the rotation angle of the rotary table in real time. The radar rotary table is provided with three limiting protection structures which are encoder limiting, electrical limiting and mechanical limiting and play roles in sequence, the safety risk existing in the rotating process of the radar rotary table can be effectively reduced, and the first hollow pipe body and the second hollow pipe body are arranged in the electrical limiting structure so as to communicate the rotary table with the interior of the base. The effect of facilitating cable penetration and layout is achieved.

The present application relates to the technical field of climbing structure, and particularly relates to a tower drum climbing robot structure for wind power tower cleaning, which comprises a plurality of moving bodies distributed in the circumferential direction of a tower drum and a pull rope located between two adjacent moving bodies, a winding motor and a winding roller are arranged on the moving body, the winding motor is used for providing power for the winding roller, and one end of the pull rope is wound on the winding roller; by adopting the mode of reducing the diameter of the circle where the moving bodies are located, and cooperating with the active movement of the moving body, the moving body can stably move on the conical outer wall of the tower drum, the moving body is prevented from sliding, the limiting function of the moving body is realized, the safety of the moving body during climbing is improved, the demand for the interaction force between the moving body and the tower drum is reduced, the friction of each structure inside the moving body is reduced, the movement and travel of the moving body are more convenient, energy consumption is reduced, and the moving speed of the moving body is improved.

The utility model discloses a wafer storage device in the technical field of wafer storage, which comprises a bottom plate and a side plate, the top of the bottom plate is provided with the side plate, the side plate is fixedly connected with the bottom plate, the inner side of the side plate is provided with a plurality of layer plates, the top of the side plate is provided with a top plate, one end of the top plate is provided with a placing plate, and the placing plate is fixedly connected with the top plate. A fixing frame is arranged at one end of the side plate, a baffle is arranged on the inner side of the fixing frame, the baffle is fixedly connected with the fixing frame, an insertion block is arranged at one end of the fixing frame, and a socket is arranged on one side of the side plate. Through the arrangement of the side plate, the layer plate, the top plate, the placing plate, the fixing frame, the baffle, the insertion block and the socket, the wafer limiting function is achieved, the fixing frame is opened, and the wafer is inserted into the layer plate; and the fixing frame is closed until the inner side of the wafer is inserted into the placing plate, the inserting block is inserted into the socket, and the outer side of the wafer is inserted into the inner side of the baffle plate, so that the wafer can be limited in all directions, and the wafer is more stable during transportation.

A highly adaptable wheelset belongs to the field of material handling equipment technology. This invention includes a wheelset frame, wheel plates, and load-bearing wheels. Two load-bearing wheels are rotatably connected between two wheel plates. The two wheel plates are rotatably connected to opposite sides within the wheelset frame. The wheelset frame is provided with a limiting structure to restrict the maximum upward swing angle of at least one wheel plate. This invention effectively avoids jamming when driving on uneven ground, resulting in higher maneuverability.

This utility model relates to the field of excavation equipment technology, specifically to an excavating claw structure, including a bucket, a fixing plate fixedly installed at the top of the bucket, a support plate installed on one side of the outer surface of the bucket, an excavating claw body fixedly installed on one side of the outer surface of the support plate, sliders fixedly installed on both sides of the outer surface of the support plate, a plug rod fixedly installed at one end of the outer surface of the excavating claw body, fixing grooves formed on both sides of the outer surface of the support plate, and storage grooves formed on both sides of the outer surface of the bucket. A fixing block is slidably connected to the inner surface of the storage groove, and a spring and a lifting rod are fixedly installed at one end of the outer surface of each fixing block. In this utility model, by setting sliders and plug rods on the excavating claw, the position of the support plate is limited, preventing the support plate from loosening, and the lifting rod provides convenience for replacing the excavating claw, reducing the operating cost of the excavating claw.

The application discloses a log lifting device for wood processing and relates to the technical field of wood processing auxiliary device structures. The log lifting device comprises a base, a fixed plate is arranged on the top side of the base through a plurality of stand columns, an avoiding opening is formed on the top side of the fixed plate to form a mouth-shaped plate, a movable supporting plate is slidably arranged on the bottom side of the fixed plate through a guide unit, the movable supporting plate is opposite to the avoiding opening on the fixed plate, a first telescopic cylinder is vertically arranged on the top side of the base, and the elongated end of the first telescopic cylinder is connected with the bottom side of the movable supporting plate. In the application, the log body is gradually moved from the stacking assembly to the higher step on the outer ladder assembly through the reciprocating up-and-down movement of the inner ladder assembly, and only one log body is moved at a time to realize sorting. When the log body moves to the highest point, the log body is rolled to a processing device through a feeding assembly, and then the log body is fixed and processed, which is simple and efficient.

The utility model discloses a fiber spinning manifold which comprises a spinning manifold body and a plurality of air suction branch pipes arranged on the two sides of the spinning manifold body respectively, adjusting valves are arranged on the air suction branch pipes, an air suction header pipe is arranged above the spinning manifold body, pipe clamps are arranged on the air suction branch pipes, fixing plates are arranged on the side faces of the pipe clamps, and the fixing plates are connected with the air suction header pipe. A locking block is arranged on the fixing plate, movable grooves are formed in the locking block, a clamping block is arranged between the movable grooves, a rotating groove is formed in the outer side of the pipe clamp, a limiting block is arranged in the rotating groove, and a shifting block is arranged on the outer side of the limiting block. The automatic resetting and limiting functions of the adjusting valve in the opening process are achieved, the situation that an operator operates the adjusting valve by mistake is effectively avoided, the accident risk is reduced, smooth production is guaranteed, accidents are avoided, and the production efficiency and the working safety are improved.

The utility model discloses an umbrella honeycomb structure to solve the problem that an existing umbrella honeycomb structure is inconvenient to open and close or poor in overall stability. The device comprises an upper honeycomb, an outer sleeve, an inner sleeve, a check ring and a spring, the upper honeycomb is installed at the top end of a middle rod of the umbrella, and the outer sleeve is arranged outside the inner sleeve in a sleeving mode and moves in the axial direction of the middle rod along with the inner sleeve; according to the honeycomb structure, the outer sleeve and the upper honeycomb can rapidly achieve the locking function through the clamping hole and the first guide inclined plane which are arranged on the first pull strip and the clamping block and the second guide inclined plane which are arranged on the upper honeycomb, meanwhile, the direction does not need to be distinguished during use, an umbrella can be easily opened and closed, and use is convenient and fast; according to the structural design of the middle rod, the outer diameters of the inner pipe, the middle pipe and the outer pipe are sequentially increased, and the overall supporting performance and stability of the umbrella are improved; the structural stability of the umbrella is enhanced through the check ring, the umbrella can be prevented from swinging in the using process, and the using safety and reliability of the umbrella are improved.

This application relates to the field of data storage device securing technology, and more particularly to a hard disk mounting device and chassis. The hard disk mounting device includes a sliding bracket, a hard disk bracket, and an elastic element. The sliding bracket is used to fix the hard disk body, and drives the connector of the hard disk body to slide along a first direction on the hard disk bracket and is used to connect to the connector of the backplane module. The hard disk body has a movable space, thereby improving the problem of hard disk body interference and inconvenient installation caused by tolerances accumulated in manufacturing and assembly. The elastic element is disposed between the sliding bracket and the hard disk mounting device, and the elastic element can drive the sliding bracket to slide along the first direction, so that the hard disk body always has a clamping force pressing against the backplane module, thereby eliminating the influence of the gap between the hard disk body and the backplane module on the connection between the hard disk body and the backplane module, thereby improving the problem of poor signal transmission between the hard disk mounting device and the backplane module.

The utility model discloses a detachable temporary construction buoy base for a river-crossing truss, and relates to the technical field of overwater engineering. An existing buoy is low in splicing and dismounting efficiency and depends on tools. The device comprises buoys and a splicing mechanism used for splicing a plurality of buoys together, and the splicing mechanism comprises extension plates fixedly installed at the four corners of the pontoons, insertion rods are inserted into the extension plates, a connecting assembly capable of fixing the insertion rods is assembled on the extension plate located on the bottom layer, and a clamping assembly capable of fixing the spliced pontoons is further assembled on the connecting assembly. According to the technical scheme, during splicing, the inserting rods rotate to fix the connecting assemblies, the extending plates are connected to the inserting rods in a sleeving mode, the clamping assemblies rapidly complete splicing or separation of the buoys, through the mechanical linkage design of the splicing mechanism, efficient disassembly and assembly can be achieved without external tools, and the construction efficiency and operation convenience are remarkably improved.

The utility model provides an electronic throttle valve convenient to overhaul, which relates to the technical field of throttle valves, and comprises a casing, a transmission pipe, a valve rod, a valve rod, a valve rod and a valve rod, and the transmission pipe is fixed on one side of the upper part of the casing; the throttle valve assembly is arranged in the machine shell and the transmission pipe; the motor is fixedly installed on the lower portion of the machine shell and controls the throttle valve assembly to be matched with the conveying pipe to conduct airflow control action. The socket comprises a seat body fixed on one side of the machine shell, and an inserting gap used for inserting a control power line is formed in the seat body electrically connected with the motor; a limiting block is slidably installed on the upper portion of the base through a spring. By means of the technical scheme, automatic plugging and forced limiting locking of the power plug are achieved through a spring limiting block and lead screw sliding block combined structure, meanwhile, the valve disc is driven by a motor multi-stage transmission mechanism to adjust the air inflow, the valve disc and the inserting rod are in sliding connection and fixed through threads, rapid dismounting, mounting and overhauling are facilitated, and the working efficiency is improved. And the use and maintenance reliability is effectively improved.

The invention discloses a drive-by-wire lifting control system and method for an unmanned off-highway wide-body dumper, the system comprises an inflation pump, a dryer and an air cylinder, the air cylinder is connected with a power takeoff electromagnetic valve, a descending electromagnetic valve and a lifting electromagnetic valve, and one end of each electromagnetic valve is connected with a whole dumper controller; the power takeoff electromagnetic valve is connected with a gearbox and power takeoff assembly and is sequentially connected with a power takeoff shaft and a gear pump, the lifting electromagnetic valve is connected with a limiting valve, the gear pump, the descending electromagnetic valve and the limiting valve are respectively connected with a lifting control valve, the gear pump and the lifting control valve are connected with an oil tank, and the lifting control valve is connected with a first lifting hydraulic oil cylinder and a second lifting hydraulic oil cylinder. According to the drive-by-wire lifting control system and method for the unmanned off-highway wide-body dumper, the power takeoff / lifting / descending electromagnetic valve is used for controlling the on-off of each gas circuit so as to control a hydraulic oil loop, the lifting and descending functions of a container are achieved in a pneumatic control and hydraulic control mode, the operation efficiency and the equipment reliability are improved, and the labor intensity of workers is reduced. And the operation cost and the safety risk are effectively reduced.

A shoe sole capable of enhancing breathability comprises a shoe sole body, the shoe sole body is connected with a shoe body, a plurality of first through holes penetrating from the upper end face to the lower end face are formed in the shoe sole body, a plurality of first grooves and a plurality of second grooves are formed in the lower end face of the shoe sole body, and the first through holes are communicated with openings formed in the lower end face of the shoe sole body through the first grooves. One end of the second groove is communicated with the first groove, and the other end of the second groove extends to the side surface of the sole main body; according to the shoe sole, the ventilation effect can be achieved in multiple aspects, meanwhile, dust and other impurities can be prevented from influencing the general degree of each ventilation channel, and it is guaranteed that the ventilation effect is continuously kept; according to the gas exchange device, larger power can be provided for gas during gas circulation, namely gas discharge is promoted by increasing the pressure intensity, the gas discharge effect is further improved, and the gas exchange efficiency is improved.