95results about How to "Increase clamping strength" patented technology

The invention relates to the technical field of cleaning devices, in particular to a nursing tray efficient cleaning device which comprises a cleaning box, a cleaning assembly is arranged in the cleaning box, a pair of multi-section sliding rails is installed on the inner wall of the cleaning box, connecting rods are installed on the inner sides of the multi-section sliding rails, storage assemblies are arranged on the surfaces of the connecting rods, and a fixed transverse rod is installed at the rear ends of the connecting rods. The movable transverse rod is slidably connected to the surface of the connecting rod, the multiple driving cylinders are rotatably connected into the fixed transverse rod, the multiple driven cylinders are rotatably connected into the movable transverse rod, the end faces of the driving cylinders and the end faces of the driven cylinders are fixedly connected with telescopic shells, the clamping blocks are slidably connected into the telescopic shells, and a tray body is clamped between the clamping blocks. After the tray body is clamped and stored, the tray body rotates at a high speed, water stains on the surface of the tray body can be rapidly removed, meanwhile, the tray body is dried and sterilized in cooperation with high-temperature hot air, and the effect of rapidly cleaning the tray body can be achieved.

The invention provides a full-automatic wire cutting and peeling machine for wires, and belongs to the field of wire processing, the full-automatic wire cutting and peeling machine comprises a frame, an anti-skid roller, a cutting assembly, a pressing assembly and a restraining assembly, the anti-skid roller is mounted on the outer wall of the frame, the cutting assembly is located on the outer wall of the frame, the pressing assembly is located on the outer wall of the frame, and the restraining assembly is located on the outer wall of the frame. According to the cable conveying device, a hydraulic push rod and a second moving frame are arranged, after the hydraulic push rod operates, the first moving frame is pushed to move, at the moment, the first moving frame drives the second moving frame to move through a shell and a connecting rod, and the position of the second moving frame is adjusted till the outer wall of a conveying roller abuts against the outer wall of a cable; the height of the conveying rollers can be adjusted, and the problems that a clamp tool in an existing automatic wire cutting and peeling machine is not provided with a mechanism for elastically clamping and fixing a cable, the fixing effect is poor, and use is inconvenient are well solved.

The utility model discloses an engineering material tension detection device which comprises a tension detection device. One side of the top end of the tension detection equipment is slidably connected with a sliding frame, the middle of the upper end of the sliding frame is rotatably connected with a two-way screw rod, and the outer side of the two-way screw rod is in threaded connection with a threaded block; wherein one end of the threaded block is rotationally connected with a clamping rod, the middle of one side of the clamping rod is fixedly connected with a guiding inclined block, one side of the guiding inclined block is slidably connected with a pushing inclined block, and a positioning screw rod is inserted into the middle of the pushing inclined block; wherein one side of the positioning screw rod is in lap joint with a connecting screw rod, the outer side of the connecting screw rod is in threaded connection with a connecting nut, one end of the connecting screw rod is fixedly connected with a threaded cylinder, one end of the threaded cylinder is fixedly connected with a connecting block, and a clamping sleeve is arranged on the outer side of the threaded cylinder, so that the clamping force on a deformed detection material is enhanced conveniently; and the situation that the detected material falls off is prevented, and the requirements of tension detection of materials of different specifications are met conveniently.

The invention discloses a positioning device for fastener production and processing, and relates to the field of positioning technology. The positioning device for fastener production and processing comprises a polishing machine, wherein a motor is arranged on the inner wall of the polishing machine, and an inner wall clamping and positioning mechanism is arranged on one side of the motor; by arranging the inner wall clamping and positioning mechanism, the installation is relatively stable and cannot be directly pulled out. When it is necessary to directly pull it out, only one hand is needed to grasp three push blocks and press them inward, so that the three push blocks can drive the moving rod to move through the connecting plate, thereby loosening the pressed pressing plate. At this time, when the internal thread sleeve is pulled outward, the thread groove in the internal thread sleeve can squeeze the inclined pressing plate side surface, and squeeze the pushing pressing plate, the round rod, and the sliding rod until the spring B with smaller elastic force at this time is deformed, so that the thread groove in the internal thread sleeve can be separated and pulled out from the squeezing of the pressing plate, thereby completing the function of quickly positioning and disassembling the internal thread sleeve.

The invention relates to the technical field of plastic product production, in particular to an injection molding product grabbing device for injection molding, which comprises an injection molding machine, one side of the injection molding machine is provided with a conveying belt assembly for conveying injection molding products, and the top of one side of a fixed mold of the injection molding machine is provided with a three-axis linear module. The three-axis linear module is provided with a clamping assembly used for preliminarily clamping a demolded product, the two sides of the clamping assembly are each provided with an adjusting assembly used for pushing the adjacent clamping assembly to adjust the clamping force, and the two sides of the bottom of the injection molding machine movable mold are each provided with a supporting assembly used for stably supporting the demolded product. Through the arrangement of the clamping assembly and the adjusting assembly, when an injection molding product is demolded, the clamping assembly can pre-clamp the product under the driving of the adjusting assembly, the product is demolded after being pre-clamped, the state that the product is hung on an injection molding machine and inclines cannot occur, and the situation that the product is damaged due to the fact that the position of the product clamped by the clamping device is incorrect is avoided.

The invention discloses a mechanical transmission shaft detection device, and belongs to the technical field of transmission shaft detection, and the mechanical transmission shaft detection device comprises a base, a driving plate and two clamps, each clamp comprises a fixed cylinder, a rotating cylinder, an upper clamping plate, a lower clamping plate, a trigger mechanism and two cylinders, and the two sides of the bottom of the fixed cylinder are fixedly connected with supporting plates; the bottom of the supporting plate is fixedly connected to the top of the base, the rotating cylinder is rotationally installed in the fixed cylinder, arc-shaped connecting plates are hinged to the outer side of the rotating cylinder, and the bottoms of the two arc-shaped connecting plates are rotationally connected to the two sides of the driving plate correspondingly; the two air cylinders are fixedly installed at the top and the bottom of the rotary drum correspondingly, and the output ends of the two air cylinders are fixedly connected with the upper clamping plate and the lower clamping plate correspondingly. According to the invention, through the trigger mechanism, the clamping force can be gradually increased when the transmission shaft slips in the transmission shaft detection process so as to meet the requirement, and the experiment can be automatically stopped and the result can be observed when the connecting shaft does not slip.

The utility model relates to the technical field of electric power fittings, in particular to a corrosion-resistant electric power fitting, which comprises an upper clamping plate and a lower clamping plate, an upper side plate is mounted on the outer surface of the upper clamping plate, an adaptive clamping assembly is mounted at the lower end of the upper side plate, and a guide assembly is mounted on the top surface of the upper clamping plate; the adaptive clamping assembly comprises an elastic column, the elastic column is installed on the lower end surface of the upper side plate, and a lower side plate is installed at the end, away from the upper side plate, of the elastic column. The limiting columns can automatically move downwards by installing the springs, if the upper clamping plate and the lower clamping plate are in a stressed state, the limiting columns can ascend in the stabilizing cylinders, and therefore the clamping size of the upper clamping plate and the clamping size of the lower clamping plate can be changed, and when a cable is installed between the upper clamping plate and the lower clamping plate, the limiting columns can move downwards automatically. And at the moment, the limiting column moves upwards, so that the upper clamping plate and the lower clamping plate can stably and adaptively clamp the cable.

The invention relates to the technical field of metal product machining equipment, in particular to efficient cosmetic cover punching machining equipment which comprises a punching machining platform, a center mounting table is mounted at the center of the punching machining platform, and a punching workpiece is mounted on one side of the center mounting table; a machining rotating disc is mounted at the upper end of the center mounting table, multiple sets of storage blocks are arranged at the upper end of the machining rotating disc in the circumferential direction at equal intervals, and an auxiliary rotating mechanism is mounted on one side of the machining rotating disc. A mechanism for controlling rotation and blanking of the workbench to be integrated is arranged in the punching processing equipment, and blanking of products is realized in the process of controlling rotation of the console, so that a plurality of links are closely connected, a complete automatic production process is formed, the production efficiency is improved, and the production cost is reduced. And the movement of the working turntable is controlled through the action of the auxiliary rotating mechanism.

The present invention discloses an under-actuated flexible manipulator and a working method thereof. The manipulator comprises a driving member, which is provided with a driving wheel; a bending assembly, which comprises a first bending member, a second bending member and a third bending member which are hinged in series in sequence, and a slide groove is provided on the side of the second bending member for a protrusion to slide therein; an adjusting mechanism, which drives the protrusion to move in the slide groove; a rope, which is wound around the driving wheel, the first bending member, the second bending member and the protrusions on the third bending member; an elastic member, which is arranged between the first bending member and the second bending member, or between two first bending members. By adjusting the position of the protrusion on the second bending member through the adjusting mechanism, the direction of the combined force of each protrusion can be changed, thereby switching the grasping and releasing actions of the manipulator; the driving of the bending assembly is completed by the rope. On the one hand, the rope driving increases the clamping force of the manipulator, and on the other hand, the number of power sources is reduced to reduce the difficulty of control system design, production cost and subsequent maintenance cost.

The utility model discloses an angle-adjustable clamping device for building aluminum alloy formwork machining, and relates to the technical field of building aluminum alloy formwork machining, the angle-adjustable clamping device comprises a rotating base, a supporting assembly is fixedly installed on the surface of the rotating base, and an adjusting mechanism is fixedly installed at the bottom of the supporting assembly; a rotating mechanism is fixedly installed on the surface of the adjusting mechanism, a clamping mechanism is fixedly installed on the surface of the rotating mechanism, and the rotating mechanism comprises a fixing plate, a rotating motor and a bearing frame. By arranging the rotating mechanism, when vertical direction adjustment is needed, the rotating motor is started to enable the driving shaft to drive the fixing plate on the bearing frame to rotate, then the aluminum alloy formwork can be driven to rotate, and therefore the machining range is widened, and the machining efficiency is improved by changing the structure of the clamping mechanism. And a screw motor is matched with a second sliding rod to clamp the aluminum alloy template, so that the clamping force can be effectively improved, and the situation that the aluminum alloy template is easily shaken due to vibration during machining by spring clamping is prevented.

The utility model relates to the technical field of environmental protection engineering construction, and discloses a combined safety protection device which comprises a lower bottom plate, an upper bottom plate arranged above the lower bottom plate, a positioning mechanism arranged between the lower bottom plate and the upper bottom plate, a protection mechanism arranged on the side faces of the lower bottom plate and the upper bottom plate, and a first T-shaped plate arranged on the top face of the lower bottom plate. A second T-shaped plate is arranged on the bottom face of the upper bottom plate, clamping grooves are formed in the right side face of the lower bottom plate and the left side face of the upper bottom plate, fixing grooves are formed in the top faces of the inner walls of the clamping grooves, and the positioning mechanism comprises a connecting part and a positioning part. The protection mechanism comprises a clamping part and a fixing part, a second spring stretches out and draws back, then a front positioning plate clamps and fixes a protected object, a first spring on a sliding rod stretches out and draws back, the protected object is secondarily clamped and fixed through a connecting frame, the clamping force of the device on the protected object is improved, and the stability of the protected object in the device is improved; and the influence of the external environment on the protected object is reduced.

The utility model relates to the technical field of placing racks, and discloses a bacterial culture bottle placing rack which comprises a storage rack, a loading table is connected to the inner wall of the storage rack, a lap joint groove is formed in the inner wall of the storage rack, a containing cavity is formed in the inner wall of the storage rack, a straight plate is arranged in the inner cavity of the storage rack, an extension rack is connected to the bottom of the straight plate, and the extension rack is provided with a clamping groove. According to the bacterial culture bottle placing rack, through the arrangement of the arc-shaped clamping devices, the culture dishes, the straight rods, the elastic ropes and other structures, when the culture dishes on the device need to be placed in the middles of the arc-shaped clamping devices, the culture dishes can be placed in the middle of the arc-shaped clamping devices, and therefore the culture dishes can be placed in the arc-shaped clamping devices; firstly, straight rods on the two sides are manually pulled to lengthen an elastic rope and place a culture dish between two arc-shaped clamping devices, then the arc-shaped clamping devices clamp the culture dish, and then a contraction nut is manually rotated to drive the straight rod on the outermost side and the arc-shaped clamping device to the middle to increase the clamping force on the culture dish.

The invention discloses an independent manipulator with a positioning structure and a positioning method, relates to the technical field of manipulators, and aims to solve the problem that an object is easily damaged due to friction between the object and conveying equipment or the ground when the object moves, so that a clamping mechanism is driven by a clamping cylinder fixedly connected with a sliding block to move inwards; wherein the clamping mechanism on one side firstly makes contact with an object, the clamping mechanism on the other side does not make contact with the object, at the moment, the clamping mechanism making contact with the object is driven by the clamping air cylinder to generate contact pressure with the object, then the pressure is transmitted to the sliding block through the clamping air cylinder, the sliding block pulls the sliding block on the other side through the spring, and then the object is clamped. The clamping air cylinder and the clamping mechanism on the other side are driven to be close to the object, so that the clamping mechanism on the other side makes contact with the object, the position between the clamping mechanisms and the object is positioned, and damage caused by friction between the bottom of the object and conveying equipment or the ground in the positioning process is avoided.

The invention discloses a flying remote control line inspection device, belongs to the technical field of aircrafts for special purposes, and aims to solve the problems that the use safety and the inspection accuracy of the device cannot be ensured during inspection on a single cable and when the device moves on the cable and goes downhill, and emergency repair treatment is difficult to carry out when the inspection finds that the cable has defects, so that the service life of the device is prolonged. The cable inspection device comprises an aircraft body and multiple sets of arms fixed to the two sides of the aircraft body, paddles are installed at one ends of the multiple sets of arms, and an inspection head is installed on the upper portion of the front end of the aircraft body. According to the invention, the cable can be automatically wound and coated, the defect position of the cable can be temporarily repaired, the durability of the cable in use is improved, the possibility of fault increase is reduced, the service life of the cable is prolonged, and a worker has sufficient time to maintain the defect position of the cable subsequently.

The utility model relates to mechanical processing technical field, concretely is a horizontal machining center workstation quick positioning locking device, include: base is provided with the sliding slot, adjusting assembly includes the sliding block, and the sliding block is connected with the sliding slot of base sliding, and the sliding block is provided with four and is provided with through -hole in the middle, fixed component, including support axle, support sleeve, connecting axle and clamping plate, support axle is welded on the sliding block and among two settings have thread, support sleeve is connected with the threaded support axle screw thread and is connected with two outer two support axle sliding, and the connecting axle bottom end is rotatably connected with the support sleeve, and the clamping plate is connected with the connecting axle sliding, and the device is through the cooperation of adjusting assembly and fixed component, realizes the quick positioning of workstation and the steady locking of object.

The present application relates to the field of die-casting automation technology, and in particular to a die-casting pick-up and conveying assembly and die-casting equipment. The die-casting pick-up and conveying assembly includes a transfer member, a clamping member and a delivery member. The clamping member is arranged at the movable end of the transfer member and is used to clamp the nozzle material of the metal casting demolded in the mold member. The delivery member is used to guide the metal casting after being clamped and moved out by the transfer member. The transfer member and the delivery member are both located on one side of the mold member. The output end of the clamping member is provided with an auxiliary member, which can cooperate with the output end of the clamping member and press against the side wall of the nozzle material of the metal casting. The present application can effectively reduce the uneven force of the existing manipulator when clamping the nozzle material of the metal casting, which causes the metal casting to loosen and fall during the transfer of the pick-up.

The invention relates to the technical field of automobile supporting, and discloses a split type supporting device for a novel energy automobile, the split type supporting device comprises a movable base, a jack is fixedly connected to the upper surface of the movable base, a supporting abutting plate is fixedly connected to the top end of the jack, and handrails are fixedly connected to the two sides of the upper surface of the supporting abutting plate; the device comprises a support abutting plate, lifting crawling ladders are fixedly connected to the two sides of the support abutting plate, connecting plates are connected to the two sides of the support abutting plate in a clamped mode, and protective plates are fixedly connected to the upper surfaces of the connecting plates, in the device, the jack jacks up the support abutting plate and makes contact with the top of a vehicle frame, support force is provided for the vehicle frame, and the protective plates can protect the vehicle frame; and the positioning rods are ejected out of the limiting sleeves and inserted into the through holes to lock the trapezoidal clamping plates, then the connecting plates and the protection plates are locked, the installation stability is improved, and after the connecting plates and the protection plates are detached, the vehicle frame is more convenient to check and install.

The utility model discloses a multifunctional toolbox for communication engineering, which belongs to the technical field of communication engineering and comprises a box body, the box body is of an L-shaped structure, one side of the box body is rotatably connected with a springback buckle, the top end of the box body is rotatably connected with a top cover, a handle is rotatably arranged in the center of the top end of the top cover, a clamping groove is arranged on one side of the top cover, and the top cover is provided with a groove. And the top end of the springback buckle is rotationally meshed with the clamping groove. The threaded column is rotated through the rotating handle, so that the main column moves, the front ends of the bent handles on the two sides of the main column are opened, the tool box is placed at the position needing to be fixed, then the threaded column is rotated, the bent handles and the main column are retracted and tightened, and the tool box is temporarily fixed; the clamping force is increased, the tool box is prevented from falling off, and the fixing stability of the device is improved.

This utility model relates to the technical field of steel cable maintenance equipment, and discloses a tension-maintaining clamping tool for aircraft steel cables. It includes a lower clamping plate, with an upper clamping plate at its top. Clamping mechanisms are provided between adjacent parts of the lower and upper clamping plates to hold the steel cable. An installation mechanism is provided on the outer side of the upper clamping plate for opening, closing, and fixing the device. Each clamping mechanism includes a lower clamping seat, the bottom of which is fixedly connected to the bottom inner side of the lower clamping plate. An upper clamping seat is fixedly connected to the top inner side of the upper clamping plate. Adhesive layers are fixedly connected between adjacent parts of the lower and upper clamping seats. In this utility model, when disassembling the steel cable, the cable is placed on the lower clamping seat, supported by the adhesive layer. The upper clamping seat then pushes the adhesive layer down to wrap around the cable, achieving cable clamping, preventing displacement and surface wear, and preventing cable slack during maintenance, effectively ensuring operational safety and efficiency.

The utility model discloses a welding jig locking clamp which comprises a horizontally-arranged working table and a clamping device installed on the working table, a baffle and a U-shaped baffle are arranged on the upper surface of the working table and located on the front side and the rear side of the upper surface of the working table respectively, two connecting rods penetrating through the baffle are arranged on the baffle, and the clamping device is arranged on the working table. A push plate is arranged at the other ends of the two connecting rods, the sides, close to the push plate, of the two connecting rods are sleeved with springs, an inverted-L-shaped vertical frame is arranged on the side, close to the U-shaped baffle, of the upper surface of the workbench, and a clamping device is arranged on a transverse plate at the upper end of the inverted-L-shaped vertical frame; the clamping device comprises an annular knob, a screw rod and a pressing plate, the screw rod vertically penetrates through the inverted-L-shaped vertical frame, a connecting block is arranged at the lower end of the screw rod, positioning rings are arranged at the bottom ends of the two side walls of the connecting block, and the pressing plate is arranged on the lower surface of the connecting block. The clamping device is reasonable in structural design, large in clamping force and capable of clamping products of different sizes.

The invention discloses a forging device for titanium alloy bar production, and belongs to the technical field of forging equipment.The forging device comprises a moving assembly, the moving assembly comprises a rail, a moving block is slidably connected to the upper side wall of the rail, a clamping assembly is arranged on one side of the moving block, the clamping assembly comprises a fixed ring shell, and a guide ring body is rotatably connected to the interior of the fixed ring shell; a rotating ring block is rotationally connected to the interior of the guide ring body, and a plurality of extrusion assemblies are inserted into the rotating ring block; and the extrusion assembly comprises a guide pressing block connected to the rotating ring block in an inserted mode, an extrusion block is arranged on the lower side of the guide pressing block, and a fixing pipe is fixedly connected to the upper end of the extrusion block. And meanwhile, the extrusion assembly and the contact assembly are matched, so that the multiple transverse plates can make contact with the surface of the titanium alloy ingot casting rod, the contact face with the surface of the titanium alloy ingot casting rod is enlarged, and the clamping effect is improved.

The utility model discloses an automobile engine cylinder block grabbing device, and belongs to the technical field of whole automobile assembly. The clamping end on one side of the mechanical arm is fixedly connected with a cylinder body of the air cylinder, the movable end of the air cylinder is fixedly connected with the movable positioning pin, the movable positioning pin is arranged facing the clamping end on the other side of the mechanical arm, and the clamping block is fixed to the clamping end on the other side of the mechanical arm. An in-place sensor is fixed to a cylinder body of the air cylinder. And a fixed positioning pin is fixed on the clamping block. When a cylinder body is clamped, the air cylinder can push the movable positioning pin to move towards the cylinder body until the movable positioning pin is completely attached to the surface of the cylinder body, close fit between the positioning pin and the cylinder body is achieved, and therefore the stability of the cylinder body during clamping and falling is guaranteed, and the clamping force of the clamp is enhanced. Shaking and deviation of the cylinder body in the transferring process are effectively avoided, the accuracy of the position of the cylinder body is improved, and the production efficiency is improved.

The utility model discloses a full-automatic special work fixture device for a metal plate tensile sample, which relates to the technical field of material detection, and adopts the scheme that two wedge blocks are downwards extruded by a hydraulic rod to move downwards and simultaneously do opposite clamping movement, and meanwhile, the bottom end of the hydraulic rod downwards extrudes two force arm blocks through a pressing column, so that the two force arm blocks are tightly clamped. The two force arm blocks are deflected by taking the rotating pin as the axis and drive the boundary rod at the bottom end to clamp the surface of the sample, and the two wedge blocks are close to each other while the wedge blocks move downwards, so that the pressure applying surfaces of the wedge blocks further extrude the boundary rod until the wedge blocks are attached to the surface of the sample, and the boundary rod is located below the wedge blocks; a uniform linear stress surface is formed and is matched with the clamping surfaces of the two wedge blocks to be attached and fixed, so that the clamping force is high, meanwhile, the situation that the clamping surfaces are abraded to cause non-uniform stress on the clamping contact surfaces during perennial use can be avoided, the clamping effect is greatly improved, and the service life is prolonged. And the detection effect is not influenced along with the increase of the service life.

The utility model provides a high voltage DC contactor endurance test clamp comprising a support plate, a third slide block and a second slide bar are arranged on the lower part of a third fixing plate, and a fourth slide block, a fifth fixing plate and a third slide bar are arranged on the lower part of a fourth fixing plate. According to the durability test fixture for the high-voltage direct-current contactor, a motor drives a fifth sliding block and a sixth sliding block to move on a fourth sliding rod, so that an upper fixture and a lower fixture perform clamping according to the thickness of equipment through the movement of the fifth sliding block and the sixth sliding block, and the situation that when the equipment is clamped, the equipment is damaged is avoided. As the test result is inaccurate or the test is interrupted due to poor contact between the clamp and the tested equipment, the fifth sliding block and the sixth sliding block are driven by the motor to move, the clamping force of the upper clamp and the lower clamp on the tested equipment is improved, the poor contact phenomenon is effectively avoided, and the test efficiency is improved. Therefore, the durability and the practicability of the clamp for clamping the tested equipment are improved.

The present invention relates to the technical field related to automobile seamless steel pipes, and discloses a clamping device for detecting automobile seamless steel pipes with a precise adjustment function, comprising a bottom plate, a U-shaped frame is fixedly provided on the upper side of the bottom plate, an electric telescopic rod is fixedly provided on the upper side of the U-shaped frame, a Rockwell hardness tester is fixedly provided on the extended end of the electric telescopic rod, two frames are respectively provided on the upper sides of both ends of the bottom plate, and two clamping assemblies are respectively provided on the two frames; the present invention can control the distance that the guide block moves by the annular sliding of the annular member, so as to control a plurality of arc blocks and rubber blocks to quickly clamp and fix seamless steel pipes of different diameters; and then adjust the clamping force of the clamping assembly on the seamless steel pipe by cooperating with the inner side of the guide block in a bell-shaped curve structure with low ends and high middle, so that neither slipping will occur due to insufficient clamping force nor indentations will be left on the surface of the seamless steel pipe due to excessive clamping force.

The invention relates to the related technical field of elevator guide rail bracket spacing adjustment, and discloses a convenient and rapid adjustment type elevator guide rail bracket spacing adjusting device which comprises an elevator shaft, two adjusting assemblies are symmetrically arranged on the two sides of the interior of the elevator shaft, and two pairs of T-shaped guide rail brackets are arranged on the two adjusting assemblies correspondingly; the adjusting assembly comprises two shells, two first frame bodies are symmetrically arranged in the shells in a sliding mode, the T-shaped guide rail supports are in vertical sliding contact in the first frame bodies, and clamping assemblies are arranged in the first frame bodies; the two second rubber parts get close to each other and make contact with the two opposite ends of the T-shaped guide rail support correspondingly, and therefore the T-shaped guide rail support is preliminarily clamped and fixed; and two pairs of first rubber parts are used for extruding and fixing the two sides of the two opposite ends of the T-shaped guide rail supports, so that the clamping stability of the two opposite ends of the T-shaped guide rail supports is improved, and the situation that the two T-shaped guide rail supports shake or move in the process of adjusting the distance is avoided.

The utility model relates to the technical field of tool clamps, in particular to a 4F top surface rough milling hydraulic tool which comprises an ejector pin and a base, the base is fixedly connected to one side of the ejector pin, a stabilizing device is arranged on the right side of the base, a mounting hole is formed in the inner side of the base, an automatic fixing assembly is arranged on the left side of the base, and an adjusting assembly is arranged on the inner side of the stabilizing device. One side of the automatic fixing assembly is fixedly connected with a protection assembly, the stabilizing device comprises a T-shaped plate, a convex hole is formed in the inner side of the T-shaped plate, a first bolt is spirally attached to the inner side of the convex hole, a limiting sliding groove is formed in the inner side of the rear end of the T-shaped plate, a column rotating hole is formed in the inner side of the T-shaped plate, the automatic fixing assembly comprises a concave block, and a second bolt is spirally attached to the inner side of the concave block. The length of the clamping and fixing device can be adjusted according to the size of the air cylinder, the application range of the device is widened, meanwhile, damage to the surface of the air cylinder is prevented, the qualified rate of the machined air cylinder is increased, and the fixing stability of the air cylinder is improved.

The utility model discloses a fertilizing device for a cherry sapling cultivation shed. The fertilizing device comprises a fertilizing shell; the medicine dispensing part comprises a connecting seat, a sealing cover, a transmission seat, a transmission needle, a clamping plate and an anti-skid layer, the sealing cover is connected to the outer surface of the transmission seat in an embedded mode, the connecting seat is connected to the middle of the top end of the fertilization shell, the transmission seat is connected to the middle of the top end of the connecting seat, and the transmission needle is connected to the middle of the top end of the transmission seat. The clamping plates are circumferentially connected to the top of the conveying base at equal intervals, and the anti-skid layers are bonded to the inner surfaces of the clamping plates. The problems that when a container opening of a traditional fertilizing device is opened to inject fertilizer, the device is directly exposed in a cultivation shed environment in an open-type feeding mode, air in the cultivation shed circulates, dust easily floats, many sundries are generated in daily work, the sundries and the dust are extremely easily attached to the container opening during the opening period of the device, and the fertilizer is wasted are solved. As the fertilizer is injected into the mixing device, the polluted fertilizer is conveyed to the root of the sapling when the fertilizing device runs.