80results about How to "Guaranteed normal movement" patented technology

The invention relates to a dust-free cutting device for processing metal parts of textile machinery, which comprises a cutting main body mechanism, the cutting main body mechanism comprises a welding base, a protective cover, a cutting arm hinging base, a cutting arm hinging shaft seat, a cutting arm, a tail hinging plate, a stretching air cylinder, a laser transmitter, a main rotating motor base, a main rotating motor, a hollow chuck and a driving belt wheel; the protective cover is fixedly arranged on the welding base, the cutting arm hinge bases are fixedly arranged in the middle of the top face of the welding base, and the number of the cutting arm hinge shaft seats is two. The standards of cutting depth and cutting precision are improved; and the smoke adsorption effect is improved, the smoke absorption rate generated in the cutting process is increased, and therefore harm to workers caused by dust and smoke in equipment when equipment protection is opened for feeding and discharging is effectively relieved.

The invention provides a full-automatic pathological tissue slicing device. The full-automatic pathological tissue slicing device comprises a base, a reciprocating motion locking mechanism is arranged at the top of the base, a horizontal pushing mechanism is arranged on the reciprocating motion locking mechanism, and a paraffin pathological tissue block fixing mechanism is arranged on the reciprocating motion locking mechanism. A cutter mechanism mounted at the top of the base is arranged on one side of the paraffin pathological tissue block fixing mechanism; the paraffin pathological tissue block fixing mechanism is used for fixing a paraffin pathological tissue block; the reciprocating motion locking mechanism is used for conducting longitudinal reciprocating motion on the pathological tissue and meanwhile is matched with the cutter mechanism to slice the pathological tissue. The full-automatic pathological tissue slicing device provided by the invention has the advantages that the use is efficient, time and labor are saved, the labor cost is saved, paraffin pathological tissue slicing can be autonomously and controllably carried out, and chipping cross contamination is removed in time.

The invention discloses an optical path centering device of a high-energy ion implanter. The optical path centering device comprises a flat transparent module, an energy transparent module, a radio frequency module, an analyzer, an energy transparent laser mounting plate, a flat transparent laser mounting plate and a three-electrode centering tool, the flat transparent module, the energy transparent module, the radio frequency module and the analyzer are all mounted on the floor silk screen; the laser-permeable mounting plate is mounted on a magnet yoke of the laser-permeable module, and the flat-permeable laser mounting plate is mounted on a magnet yoke of the flat-permeable module and used for placing a laser instrument; when light path centering is carried out, a laser instrument is firstly placed on the flat-transparent laser mounting plate, and laser penetrates out of the flat-transparent outlet and then penetrates out of the transparent inlet and the transparent side part by adjusting the positions of ground feet of the flat-transparent module and the transparent module; and then the laser instrument is moved to the laser-permeable mounting plate, and the anchor positions of the radio frequency module and the analyzer are respectively adjusted, so that the laser sequentially penetrates out from the permeable inlet, the radio frequency outlet, the radio frequency inlet, the analyzer outlet and the analyzer inlet. The device has the characteristics of compact structure, convenience in operation, high stability and the like.

The utility model relates to the technical field of steam turbine condenser mounting tools, and discloses a special tool for mounting a steam turbine condenser partition plate, which comprises a steam turbine condenser cylinder, fixing columns are arranged on the outer sides of the two ends of the steam turbine condenser cylinder, and a connecting beam column is arranged between every two adjacent fixing columns. A bolt connecting column is movably installed in the fixing column in a penetrating mode, the fixing column is connected with a connecting beam column through the bolt connecting column, an inserting hole matched with the bolt connecting column is formed in the connecting beam column, and a first sliding column is movably installed in the connecting beam column in a penetrating mode; the motor works to drive the rotating gear to rotate, when the rotating gear rotates, the first movable rack column and the second movable rack column are driven to move together and are connected with the inserting grooves in the connecting beam column, it is ensured that the fixing frame is stable in the connecting beam column, and meanwhile it is ensured that the steam turbine condenser partition plate is stable.

The utility model discloses a double-side-wall insulated gate sheet, a non-polar arc extinguishing structure and a direct-current circuit breaker, and belongs to the technical field of low-voltage electric appliances. The double-side-wall insulated gate piece comprises a side wall insulated gate piece set, the side wall insulated gate piece set is composed of a plurality of insulated gate pieces, the insulated gate pieces are arranged to be perpendicular to an arc isolation wall in the direct-current circuit breaker, and the insulated gate pieces are arranged in an extending mode in the arc movement direction. The technical problems that arc extinguishing of an insulated gate sheet of a direct-current arc only depends on the action of a magnetic field and an airflow field of the arc, the lengthening and cooling action of the insulated gate sheet on the arc is limited, and an external magnetic field has directivity and cannot meet the requirement of non-polar direct-current arc breaking are solved.

The invention relates to the field of human body security check channels, and discloses a main portable passive millimeter wave human body security check channel folding device, which comprises two fixed bases, two foldable side plates and a foldable top plate, and is characterized in that each foldable side plate comprises two first side plates, and the foldable side plates are inserted into the fixed bases through limiting devices; the foldable top plate comprises a first vertical plate, a second vertical plate, a first transverse plate and a second transverse plate, first limiting rails are arranged on the corresponding sides of the foldable side plates, second limiting rails are arranged on the corresponding sides of the first vertical plate and the second vertical plate, and the first limiting rails correspond to the second limiting rails; and the first limiting track and the second limiting track are slidably connected with a moving block, so that the problems that most of the existing passive millimeter wave security check instruments are large in size and inconvenient to deploy, and most of the existing passive millimeter wave security check instruments are fixedly mounted and are difficult to meet security check requirements in some special scenes are solved.

The utility model belongs to the technical field of circulating conveying equipment, and particularly relates to a horizontal circulating conveying mechanism, system and device. According to the specific technical scheme, the conveying device comprises a conveying chain and a mounting plate, the two ends of the conveying chain are arranged on a driving chain wheel and a driven chain wheel in a sleeving mode respectively, a main supporting plate and a driven supporting plate are arranged beside the driving chain wheel and the driven chain wheel respectively, and the main supporting plate and the driven supporting plate are arranged on a driving rotating shaft and a driven rotating shaft respectively; the conveying chain is provided with the hanging plate, and the lower portion of the hanging plate is provided with bearing pieces matched with the upper edge portion and the lower edge portion of the main supporting plate and the upper edge portion and the lower edge portion of the auxiliary supporting plate.

The invention provides a torque distribution method and device, a vehicle and a computer readable storage medium. The torque distribution method comprises the steps that the output torque of a wheel at the last moment and the additional torque of the wheel are obtained; obtaining a target output torque of the wheel according to the output torque of the wheel at the previous moment and the additional torque of the wheel; and carrying out torque distribution on wheels according to the target output torque. The target output torque of the wheels can be obtained according to the output torque of the wheels at the last moment and the additional torque of the wheels, and therefore reasonable torque distribution is conducted on the wheels, it is guaranteed that the vehicle yawing moves in the expected state, the stability and safety of the vehicle running state are improved, and the driving safety of the vehicle is improved. And the maneuverability of the driver to the vehicle is ensured.

The present invention belongs to the technical field of venturi valves, and particularly relates to a venturi airflow control valve, including a pipeline valve assembly, an explosion-proof assembly, a switch assembly, etc. The pipeline valve assembly is used for equal flow control of bidirectional airflow, the explosion-proof assembly is used to block the annular gap between the first arc portion and the second throat when the incoming flow pressure changes slowly, and to open the annular gap between the first arc portion and the second throat when the incoming flow pressure increases sharply, and the switch assembly is used to block the annular gap between the valve core and the second cylinder before the incoming flow pressure reaches the minimum pressure of the calibrated flow, and to open the annular gap between the valve core and the second cylinder after the incoming flow pressure reaches the minimum pressure of the calibrated flow. In the present invention, only the outer walls of the second arc portions of the two valve cores and the outer walls of the second throats of the two second cylinders need to be processed with high precision, and the parts and workload of high precision processing are relatively small, which effectively reduces the processing cost of the equipment.

This utility model relates to laboratory equipment and discloses a hoverable sliding door, including a door body, a support mechanism, and a constant force spring. A guide wheel is rotatably mounted on the support mechanism, and the door body is slidably connected to the support mechanism. One end of the elastic band of the constant force spring is fixed to the spring's shaft, and the other end is connected to a steel wire rope, which passes around the guide wheel and is connected to the door body. The elastic force of the spring's elastic band is equal to the weight of the door body, thus enabling the door body to hover. Applying an external force to the door body causes it to slide, changing the relative position between the door body and the support mechanism. When the position of the door body needs to be changed, the operator applies an external force to the door body to change its position; after removing the external force, the door body remains in the new position. This utility model also provides an experimental device including the aforementioned hoverable sliding door.

The invention relates to the technical field of photovoltaic supports, in particular to an adjustable photovoltaic panel support which comprises a main supporting bottom frame and main supporting beam frames arranged on the two sides of the main supporting bottom frame, steering assemblies are arranged on the main supporting beam frames, and photovoltaic panel bearing parts are arranged on the steering assemblies; the device further comprises a first cable supporting frame and a second cable supporting frame, and the second cable supporting frame is in butt joint with the extension shaft. A plurality of positioning seats are arranged on the second cable supporting frame, cable fixing sleeves are arranged on the positioning seats, a second-stage swing part is arranged on the first cable supporting frame, a cable clamping frame is installed on the second-stage swing part, and the cable clamping frame is in butt joint with the cable fixing sleeves. Multi-point positioning and stable supporting are provided for the photovoltaic cable, the cable is effectively prevented from moving and falling off, power transmission safety and stability are guaranteed, it is guaranteed that the cable can move synchronously when the angle of the photovoltaic panel is adjusted, and the damage risk caused by cable pulling is avoided.

The invention discloses a sliding block control device capable of controlling the movement clearance of a sliding block, and relates to the technical field of stamping dies, the sliding block control device comprises a driving sliding block and a first roller wedge, a reciprocating sliding block main body is arranged on the outer side of the driving sliding block, and the bottom of the driving sliding block and the bottom of the reciprocating sliding block main body are jointly connected with a die holder; according to the sliding block control device capable of controlling the movement clearance of the sliding block, the first working roller is in linear contact with the first roller wedge, the second working roller is in linear contact with the second roller wedge, in this way, the contact area can be reduced, abrasion of a driving face is reduced, the mute effect is achieved, the flanging and cutter crossing function in different directions can be achieved, and the service life of the sliding block is prolonged. The large stroke is achieved through the two nitrogen cylinder bodies with the same force and stroke in the movable guide column, normal movement and work of the reciprocating sliding block body are guaranteed, meanwhile, the structure is simple, machining and manufacturing are easy, the cost is low, and the problem that under the condition of limited space, the negative angle flanging cutter crossing mechanism is mute in movement is efficiently solved.

This invention discloses a motion-responsive waterproof and breathable crimped fiber membrane, its preparation method, and its applications. The fiber membrane is a composite fiber membrane composed of nanofibers, which include polyurethane, a low-elasticity fluorine-free polymer, and polydimethylsiloxane. The fiber membrane has a three-level elastic structure. In its unstretched state, the fiber membrane has a first average pore size of 0.3 μm ≤ D1 ≤ 1.2 μm and a first moisture permeability. When subjected to a tensile strain of 20%–50%, it has a second average pore size of 1.2 μm < D2 ≤ 2.5 μm and a second moisture permeability, with the second moisture permeability being higher than the first. This invention achieves, for the first time, a direct response of the fiber membrane to mechanical motion, i.e., waterproof in static conditions and highly permeable in dynamic conditions. It possesses advantages such as being fluorine-free and environmentally friendly, dynamically breathable, and highly resilient, and has broad application prospects in outdoor sportswear, medical protective equipment, aerospace, and other fields. The preparation of this fiber membrane requires no post-processing or additional processing steps, and the process is simple and highly controllable.

The invention discloses a belt shaking table device for tungsten fine mud recovery operation, comprising a mounting bracket, a mounting plate fixedly connected to one side of the bottom of the mounting bracket, a high-frequency motor fixedly connected to the top of the mounting plate, an input end of the high-frequency motor is electrically connected to an output end of a mains power supply, an active friction roller is rotatably connected to one end of the top of the mounting plate, and a pulley is fixedly connected to an outer end of an output shaft of the high-frequency motor and an outer end of the active friction roller. The invention stirs the tungsten fine mud tailings and water in a stirring barrel together through the cooperation between a rotating motor, a driving rotating shaft and a stirring paddle, so that large-particle mineral clusters contained in the tungsten fine mud tailings are decomposed into a variety of mineral particles, the mineral mud in the tailings is dissolved in the water, and various types of mineral particles show obvious stratification under the action of centrifugal force, so that the mineral particles become looser, thereby improving the screening effect of the belt shaking table and the recovery rate of the tungsten fine mud.

The application provides a small buoy and a coordinated action implementation method thereof. A buoyancy bag with a maximum diameter is designed in a middle cabin section of the buoy to adapt to a change in the central position of the buoy, and the buoy floating stability is improved. The buoyancy bag gas cylinder is designed to inflate the buoyancy bag, and the buoyancy bag is inflated and expanded to the designed diameter to adjust the buoyant center position of the buoy, so that the buoy floating posture is kept stable. The lifting gas cylinder is inflated to inflate the piston cavity, the thrust generated in the inflation instant is used to overcome the gravity, friction and tensile force of the breakable screw of the detection device, so that the detection device can move to the set height. The gas cylinder is inflated to inflate the sealing cavity of the telescopic mechanism, and the friction and shear pin resistance are overcome to expand the telescopic mechanism. The application provides a small buoy and a coordinated action implementation method thereof, and the detection device lifting and the buoy posture adjustment are realized in coordination. The coordinated action has high reliability, and the technical problems of the detection device lifting and the buoy posture dynamic adjustment in a small space are solved.

The utility model discloses a driving type scrubber capable of spraying water in multiple ways, which belongs to the field of driving type scrubbers and comprises a scrubber, a scrubber brush is mounted at the bottom end of the scrubber and comprises a cleaning circular plate, a brush is fixedly connected to the bottom end of the cleaning circular plate, an annular groove is formed in the upper end of the brush, an annular sliding block is slidably connected into the annular groove, and the cleaning circular plate is fixedly connected with the annular sliding block. Two symmetrical through holes are formed in the outer end of the annular sliding block, sliding rods are inserted into the through holes, the outer ends of the sliding rods are fixedly connected with circular baffles, the circular baffles are located in the annular sliding block, compression springs are fixedly connected between the circular baffles and the inner wall of the annular sliding block, and the ends, away from the circular baffles, of the sliding rods are fixedly connected with an upper connecting plate; the bottom end of the upper connecting plate is rotationally connected with the lower rotating plate, and the strip-shaped hole is formed in the upper end of the upper connecting plate, so that after the floor washing machine works for a period of time, the floor washing brush can be cleaned, hair, thread ends and other garbage gathered around the floor washing brush can be removed, and the working efficiency of the floor washing machine is improved.

The present invention discloses an industrial robot that is easy to grasp and prevent goods from falling off, and relates to the technical field of robot equipment, including a robot clamping mechanism, an active cavity, a clamping claw, a bracket, a bidirectional ball screw, a first flexible pad, a groove, a support rod, and a second flexible pad. In the present invention, two clamping claws simultaneously clamp and grasp goods, and the grasping operation is convenient and quick; the first flexible pad can effectively adapt to the outer wall of goods with different shapes, and strengthen the clamping processing effect on the surface of the goods; the groove performs contact adsorption processing effects on the surface of the first flexible pad and the surface of the goods, which can effectively strengthen the clamping processing effect of the goods; when clamping the goods, the first flexible pad on the outer wall of the clamping claw performs flexible clamping and anti-skid processing on the side wall of the goods, and the second flexible pad on the outer wall of the bracket performs flexible anti-skid support on the bottom of the goods, which can lift the bottom of the goods, effectively strengthen the clamping processing effect of the goods, and effectively prevent the goods from falling off.

The embodiments of the present application provide a control method, a control device and a smart toilet for a smart toilet, and belong to the technical field of sanitary ware. The method includes: obtaining multiple historical flip-up positions when the flap or the seat ring flips up to the highest position at a historical moment; determining a target flip-up position based on the multiple historical flip-up positions; controlling the flap or the seat ring to flip down to the lowest position, and recording the target flip-down position when the flap or the seat ring is at the lowest position; using the target flip-up position as the highest position allowed for the flap or the seat ring to rotate, and using the target flip-down position as the relative zero position of the target flip-up position, and using the target flip-down position as the lowest position allowed for the flap or the seat ring to rotate, and controlling the flap or the seat ring to rotate between the target flip-up position and the target flip-down position. The present application can ensure the relative stability of the flap or seat ring of the smart toilet during operation and improve the smoothness of movement.

The present application relates to a kind of electromagnetic underwater acoustic transducers, including shell, it is arranged in liquid-filled pipeline;Displacement amplifier module is arranged in shell, displacement amplifier module includes drive panel, oil cylinder and radiation panel, radiation panel is retractably arranged below oil cylinder, radiation panel side and liquid in liquid-filled pipeline contact, drive panel is retractably arranged above oil cylinder;Water pressure balancer module is arranged above drive panel;Electromagnetic actuator module is arranged in shell and is outside water pressure balancer module.The present application passes through water pressure balancer module and transmits the hydraulic pressure outside shell to drive panel, so that the drive panel and radiation panel on both sides of oil cylinder keep hydraulic balance, in through electromagnetic actuator module drive keep hydraulic balance after the drive panel and radiation panel movement, make radiation panel emit amplitude opposite, phase same acoustic wave to offset noise, so that transducer can eliminate sound in the pipeline of greater pressure.

The present invention belongs to the technical field of air-raid bunkers, and discloses a private assembled air-raid bunker, comprising assembled walls. The air-raid bunker formed by the assembled walls is equipped with the following safety assurance systems, namely, a bunker protection system, a bunker entry and exit system, an air purification system, a water supply purification system, an oxygen production system and a power supply system; the purified water is reasonably distributed through the control center and control components of the bunker, so that the size of the closing plate is regulated according to the oxygen content in the bunker and under the condition of ensuring sufficient water circulation in the bunker, and at the same time, the oxygen production rate of the oxygen control component is adjusted by the moving distance of the closing plate, so as to maintain the stability of oxygen and water resources in the bunker, and achieve the purpose of living in the bunker for a relatively long time.

The utility model provides an anti-collision protection device for a shuttle vehicle, which comprises a fixing frame, the back of the fixing frame is provided with a transmitting and receiving sensor, the front of the fixing frame is fixedly provided with two first hooks, and the front of the fixing frame is provided with a plurality of positioning holes; through an ingenious design structure, the fixing frame and the elastic piece are integrated on the side face of the shuttle vehicle, a high-level safety protection mechanism is achieved, when the shuttle vehicle accidentally approaches an obstacle or a pedestrian, the elastic piece in the device makes contact with the obstacle or the pedestrian firstly and elastically deforms, in the process, the collision strength is directly relieved, and the safety of the shuttle vehicle is improved. The physical buffering function is exerted, a stopping mechanism can be triggered, that is, the transmitting sensor and the receiving sensor feed back to the optoelectronic switch to control the shuttle vehicle to stop moving, the shuttle vehicle can be guaranteed to continue moving after the elastic piece recovers, the human body is greatly protected, potential safety hazards are reduced, and the safety of the shuttle vehicle in the advancing process is improved.

The invention provides a powder metallurgy gear sintering device, and relates to the technical field of gear sintering. The powder metallurgy gear sintering device comprises a base, a sintering furnace, two first rollers, a chain net belt and a motor, a box body is arranged on the chain net belt, two limiting grooves are formed in the bottom of the box body and matched with the multiple fixing protruding plates, two second rollers are arranged in the box body, and the two second rollers are matched with the limiting grooves. Partition plates are fixedly installed at the two ends of the two second rollers, rotating shafts are fixedly installed on the sides, away from each other, of the two partition plates, and the other ends of the two rotating shafts extend out of the box body and are fixedly provided with first gears. The powder metallurgy gear sintering device has the advantages that use is convenient, operation is easy, the powder metallurgy gear can be automatically rotated, all parts of the powder metallurgy gear can make full contact with heat, and uneven heat distribution is avoided.

The invention relates to a guide device (20) for guiding a vehicle headlight (16) in the event of a collision, comprising a fastening section (22) for fastening the guide device (20) to the vehicle headlight (16) and comprising a guide mechanism (24), the guiding mechanism is configured to transmit a force introduced into the vehicle headlamp (16) to the front compartment structure (14) in the event of a collision. The invention also relates to a vehicle having a front compartment structure and a vehicle headlight, the guide device (20) being arranged between the vehicle headlight and the front compartment structure, and the guide device (20) being fastened to a housing of the vehicle headlight (16).

This utility model discloses a quantitative feeding device for livestock farming, belonging to the technical field of auxiliary devices for livestock farming. It includes a collection cylinder and a measuring cylinder, with the measuring cylinder inserted inside the collection cylinder. A guide frame is fixedly connected to the feeding end of the measuring cylinder, and a limiting extension frame is slidably installed on the outer side of the guide frame. Shafts are symmetrically installed on the outer wall of the collection cylinder. The collection cylinder is movably mounted on an external support frame via the external shafts. Initially, both the collection cylinder and the measuring cylinder are horizontal. Farmers add granular feed to the measuring cylinder. When the added feed is visually sufficient to fill the measuring cylinder, the farmer holds the guide plate and pushes and pulls it horizontally along the guide frame. During this process, a scraper evenly distributes the material inside the measuring cylinder, causing any material higher than the measuring cylinder to fall into the collection cylinder. This allows for precise measurement of the feed amount inside the measuring cylinder in a single operation, facilitating quantitative feeding.

This application discloses a worm-inspired robot based on shape memory alloy and magnetic field, belonging to the field of soft robot technology. It not only shortens the contraction cycle and improves work efficiency but also achieves free steering and expands its application range. The robot includes at least one main structure; the main structure includes a bellows, a telescopic column structure, two magnet plates, two fixing rings, and multiple helical shape memory alloy wires; each end of the bellows is connected to a magnet plate via a fixing ring, and the two magnet plates are arranged facing each other with the same poles; the middle of the helical shape memory alloy wires passes through the bellows, and both ends are connected to corresponding fixing rings, with multiple helical shape memory alloy wires evenly distributed along the circumference of the bellows; the helical shape memory alloy wires contract and return to their helical state when energized; the telescopic column structure is located inside the bellows, and its two ends can provide different levels of resistance to the robot, thereby assisting the robot in moving forward or turning.

The present application relates to mechanical electronic engineering, building sealing and fluid control technical field, specifically for the gap glue injection penetration depth controllable, glue surface integrated injection nozzle structure and its using method, belong to the adhesive construction equipment technical field, be applicable to mechanical parts gap, electronic component gap, building board gap sealant, structural adhesive, caulk sealant glue injection operation, including connecting part, glue injection slow shrinkage cavity, glue injection rapid shrinkage cavity, narrow mouth connecting part, glue outlet cavity, forming surface, double bevel sealing part, the present application can improve the glue penetration rate, realize the penetration depth accurate control, can realize the glue filling, surface forming integrated operation, simplify the construction process, can realize the glue directional introduction, avoid the overflow waste.

The utility model discloses a kind of rod conveying devices, it is related to rod conveying field, including support frame, multiple conveying wheels, rotation is installed in the upper portion of the support frame, its outside is provided with concave ring, for conveying rod piece;Baffle, fixedly installed in the tail portion of the support frame;Movement guide plate, its upper portion is ramp setting, and installed in the tail portion of the support frame;Top plate, located in the tail portion of support frame, and can move upwards, ejects rod piece from concave ring, so that rod piece can be rolled along the slope of movement guide plate.The utility model sets up support frame, conveying wheel, and concave ring being set in conveying wheel, when conveying rod piece, rod piece is conveyed in the concave ring of conveying wheel, can guarantee that rod piece moves along the concave ring of conveying wheel, more stable when transmission.Setting top plate and movement guide plate, and top plate can move up and down on support frame, top plate can move upwards against rod piece, so that rod piece slides to movement guide plate, realize the automatic pick of rod piece.

The utility model provides an oil cylinder piston and an energy-saving type hydraulic station with the oil cylinder piston. The oil cylinder piston comprises an oil piston body, a piston rod and a piston rod, wherein sealing installation grooves are formed in the two ends of the oil plug body, V-shaped oil seal rings are arranged in the sealing installation grooves, and V-shaped openings of the two V-shaped oil seal rings in the two sealing installation grooves are arranged in a back-to-back mode. The two V-shaped oil seal rings with the openings opposite to each other are arranged at the two ends of the oil plug body for oil sealing, so that the oil cylinder piston effectively seals and separates the cavities on the two sides of the oil cylinder, flowing of hydraulic oil between the cavities on the two sides is avoided, movement of the oil cylinder piston is ensured, hydraulic pressure can be accurately output, and the service life of the oil cylinder is prolonged. And accurate execution is carried out through hydraulic pressure.