59results about How to "Large clamping range" patented technology

The utility model discloses a coating dispersion machine, which particularly relates to the field of coating use and comprises a mounting frame, a chuck fixedly connected to the bottom of the mounting frame, a movable column vertically slidably mounted in the center of the chuck, a first spring connected to the bottom of the movable column, and a plurality of groups of telescopic clamping parts horizontally slidably mounted on the chuck. A second spring is connected to the end, stretching into the inner cavity of the chuck, of each set of telescopic clamping component, each set of telescopic clamping component is meshed with a gear, each gear is coaxially and fixedly connected with a winding wheel, the gears and the winding wheels which are coaxially and fixedly connected together are jointly and rotationally connected with a fixing base, a steel wire is wound around each winding wheel, and the steel wire is wound around the fixing base. The coating dispersion machine is provided with a plurality of groups of downward pressing type telescopic clamping parts, so that a coating barrel in stirring can be stably clamped, a stirrer can quickly and uniformly stir the coating, and the risk that the coating barrel is turned over is reduced.

The utility model discloses a carrying clamping jaw device. The carrying clamping jaw device comprises a bottom plate, a driving mechanism and a clamping mechanism, the driving mechanism comprises a driving motor and a two-way lead screw, the driving motor is installed in the installation groove, a motor shaft of the driving motor is in transmission connection with one end of the two-way lead screw, and a first threaded structure and a second threaded structure which are opposite in rotation direction are arranged on the two-way lead screw at intervals; the clamping mechanism comprises two clamping jaw pieces, and the two clamping jaw pieces are connected to the first threaded structure and the second threaded structure in a one-to-one correspondence mode. According to the carrying clamping jaw device, the two clamping jaw pieces are driven to be close to or away from each other through the combination of the driving motor and the two-way lead screw, the clamping range of the clamping mechanism is enlarged, the mounting groove for mounting the driving motor is formed in the bottom plate, the two-way lead screw is rotatably arranged on one side of the bottom plate, and the structural compactness is improved.

The invention relates to the technical field of aero-engine turbine blade machining, and discloses a gas-driven abrasive particle polishing device for an inner cavity and a gas film hole of a turbine blade, the gas-driven abrasive particle polishing device comprises a box body and a clamping assembly arranged in the inner cavity of the box body and used for clamping the turbine blade, and polishing output assemblies are arranged on the two sides of the box body in a penetrating mode. The inlet end of the polishing output assembly communicates with an abrasive particle mixing assembly, the abrasive particle mixing assembly is used for feeding abrasive particles and gas into the polishing output assembly after the abrasive particles and the gas are pressurized and mixed, and the outlet end of the polishing output assembly is divided into two paths to communicate with the two sides of the turbine blade; and a collector for collecting discharged abrasive particles is arranged at the lower part of the box body. The polishing device is simple in overall structure, low in technical requirement for workers, easy and convenient to operate by the workers, single in polishing medium and low in manufacturing cost; the polishing medium is convenient to recycle without additional processing and recycling; two-way air inlet is achieved, and the polishing efficiency is high; the blade clamp is large in clamping range, suitable for installing different types of blades and easy, convenient and efficient to replace.

The invention discloses tab welding equipment for manufacturing a composite current collector, and relates to the technical field of welding equipment, and the tab welding equipment comprises a composite mechanism. According to the tab welding equipment for manufacturing the composite current collector, through the design of the composite mechanism, materials are placed in the clamping mechanism, so that the effect of fixing the materials is achieved, the materials are prevented from moving or shaking in the welding process, and the influence on the welding effect and the welding precision is avoided; the sliding block drives the welding machine to move on the welding frame body to be attached to materials for laser welding, the positioning mechanism is attached to the surfaces of the materials in the welding process, so that the material welding precision is improved, the welding quality is improved, the welding frame body slides on the surfaces of the connecting rods, and the welding flexibility is improved; the limiting mechanism is used for limiting the moving range of the clamping mechanism, part abrasion caused by excessive sliding is avoided, and the service life of the equipment is prolonged.

The invention belongs to the technical field of positioning clamps, and discloses a liquid injection clamp and a flow detection device. The liquid injection clamp comprises at least two clamping units, and each clamping unit comprises a first clamping piece, a second clamping piece and a first positioning piece. And a clamping space for a workpiece to be filled with liquid is formed between the first clamping piece and the second clamping piece. The first positioning piece is connected to the first clamping piece and abuts against the workpiece, the first positioning piece is provided with a first through hole, and the first through hole communicates with the first liquid injection hole and a first inner flow channel of the workpiece. The first liquid injection hole of one clamping unit is communicated with the first liquid inlet of the first inner flow channel, and the first liquid injection hole of the other clamping unit is communicated with the first liquid outlet of the first inner flow channel. The liquid injection clamp can stably clamp a workpiece when liquid is injected into an inner runner of the workpiece, and is simple in structure and easy to operate.

The invention relates to the technical field of energy efficiency testing, and discloses an extractor hood energy efficiency testing device and a testing method.The extractor hood energy efficiency testing device comprises a bottom plate, the bottom plate further comprises a separating device, the separating device comprises a separating structure and a rotating structure, and the separating structure comprises a separating tank, a steam inlet pipe, a metal net cylinder and a floating ball valve; the separating tank is fixedly connected to the upper surface of the bottom plate, the steam inlet pipe is fixedly connected to the top face of the separating tank, the metal net cylinder is arranged in the separating tank, the floating ball valve is movably connected to the bottom end in the separating tank, and the rotating structure comprises a rotating shaft, a connecting piece, a partition plate, a connecting rod and a scraper. The rotating shaft rotationally penetrates into the separating tank from the top end of the separating tank, and the connecting piece is fixedly connected to the surface of the rotating shaft.

The utility model discloses a carbon fiber cloth strength detection device which comprises a shell, a supporting column is fixed on one side of the bottom face of the inner wall of the shell, a limiting groove is formed in one side of the inner wall of the bottom face of the shell, a movable plate is connected into the limiting groove in a sliding mode, and clamping assemblies are fixed to the top ends of the movable plate and the supporting column. The clamping assembly comprises a clamping base, the clamping base is fixed to the top ends of the movable plate and the supporting column, an arc-shaped clamping block is fixed to the top face of the clamping base, a threaded rod is rotationally connected to one side of the clamping base, an arc-shaped clamping plate is fixed to one end of the threaded rod, a hydraulic cylinder is fixed to the inner wall of the bottom face of the shell, and the telescopic end of the hydraulic cylinder is connected with the movable plate. According to the carbon fiber cloth clamping device, the clamping assemblies are arranged, the arc-shaped clamping plates and the arc-shaped clamping blocks are used for clamping the carbon fiber cloth, the clamping range of the carbon fiber cloth is enlarged, local stress of the carbon fiber cloth is reduced, the joints of the clamping plates and the carbon fiber cloth are prevented from being torn, and the accuracy of a detection result is guaranteed.

The utility model discloses a flexible measuring clamp for high-speed rail locomotive wheels, which comprises a bottom plate, two supporting rods and two fixing rods are mounted at the upper end of the bottom plate, and locomotive wheel bodies are placed between the fixing rods and the supporting rods; a limiting plate is fixed to the bottom plate through screws, a supporting plate is installed on the limiting plate, the locomotive wheel bodies are supported through the supporting plate, and meanwhile the locomotive wheel bodies with different diameters can be clamped; and the fixed rod is rotationally connected with a threaded rod. According to the flexible measurement clamp for the high-speed railway locomotive wheel, the supporting plate is of an arc-shaped structure, the interior of the supporting plate is of an inclined structure, the contact areas of locomotive wheel bodies with different diameters and the supporting plate are the same, the locomotive wheel bodies with different diameters can be limited, and then the supporting plate can wrap the outer sides of the locomotive wheel bodies; and the stability of the locomotive wheel body is greatly improved.

The utility model provides a stainless steel metal plate punching device, and relates to the technical field of punching equipment, the stainless steel metal plate punching device comprises an adjusting mechanism, one side of the adjusting mechanism is provided with an auxiliary mechanism, the adjusting mechanism comprises a workbench, the workbench is internally provided with a clamping plate, one side of the clamping plate is provided with a lead screw, and one end of the lead screw is provided with a sleeve. The second lead screw rotates to exert pressure on the inclined plate, when the inclined plate is stressed, one end of the inclined plate can extrude the side plate on the working table, the working table is moved, and therefore multiple punching holes in the transverse position of a plate can be achieved, the requirement for multiple punching holes can be met through one-time operation, and the punching efficiency is improved. And semi-automatic workbench position movement is achieved, and the cost and time of manual operation are reduced through the automatic operation mode.

The utility model relates to the technical field of pressure vessel barrel machining, in particular to a double-clamping tool assembly which comprises a fixing block, one end of a supporting column is fixedly connected with a limiting block, and one end of the bottom of the limiting block is movably connected with a pull rod. According to the improved tool assembly capable of achieving double clamping, the clamping jaw, the connecting piece, the pull rod, the telescopic rod and the limiting block are matched, so that the tool has the clamping capacity, the clamping force of the tool is strengthened and stabilized through an opening and closing structure of the clamping system, shaking and falling cannot happen in the object clamping process, and the working efficiency is improved. The clamping range of the device is enlarged through the cooperation of the two clamping systems, the object cannot shake or incline due to the fact that the two clamping systems can keep balance in the working process, the clamping locking force of the clamping jaws on the object is enhanced and more stable through two clamping, the object cannot fall off, the clamping jaws have the opening and closing capacity through the cooperation of the connecting pieces, the telescopic rods and the limiting blocks, and the clamping effect is better. And the clamping device can clamp and fix an object.

The present invention proposes a Kirschner wire clamping device, comprising a clamping body; a clamping cavity is provided in the clamping body along the axial direction; an elastic guide member is fixed to the clamping end of the clamping body; a guide cavity connected to the clamping cavity is provided on the guide member; and the diameter of the guide cavity is smaller than the diameter of the clamping cavity. The present invention solves the problem that small Kirschner wires cannot be clamped in the industry by providing a guide member that can produce elastic deformation. At the same time, the clamping range is expanded, and the clamping device can be applied to different Kirschner wires during use without replacing the clamping device. The clamping section of the present invention is set as a plane, which expands the contact area with the Kirschner wire and improves the clamping force.

The utility model discloses a large-size diamond single crystal laser cutting and orientation clamp which comprises a base, symmetrical adjusting seats are arranged in the base, an adjusting plate is arranged on one sides of the adjusting seats, the adjusting plate is semicircular, an adjusting hole is formed in the adjusting plate, and a first positioning seat and a second positioning seat are arranged on the adjusting plate. The first positioning seat and the second positioning seat are symmetrically distributed, the first positioning seat is movably installed on the adjusting plate through a rotating shaft, a locking mechanism is arranged on the top of the first positioning seat, the second positioning seat is fixed to the adjusting plate, lifting mechanisms are arranged on the first positioning seat and the second positioning seat correspondingly, and downward pressing seats are installed on the lifting mechanisms. The diamond clamping device has the advantages that self-adaptive clamping can be carried out according to diamond materials of different types and shapes, meanwhile, multi-angle adjustment can be carried out, the diamond clamping device is suitable for different cutting environments, the clamping stability is greatly improved, the clamping mode can be freely rotated, and the clamping flexibility is improved.

The invention relates to the technical field of hovercraft, in particular to an overwater wind power project maintenance hovercraft. According to the technical scheme, the ship comprises a ship body, ship fixing structures, reinforcing structures and unfolding structures. An assembly frame is arranged on the side wall of the ship body; the unfolding structure comprises a stroke frame, a rotating shaft, a hollow arm, a second motor, a driving shaft, a first sleeve bevel gear and a second bevel gear. The ship fixing structure comprises a mounting frame, a motor I, a screw rod, a nut, a clamping frame, a supporting arm I, a supporting arm II, a rotating seat I, a rotating seat II, a nut, a rotating seat III and a rotating seat IV; the reinforcing structure comprises a first clamping arm and a second clamping arm. By arranging the unfolding structure, the ship fixing structure, the reinforcing structure and the sealing support, accurate stopping and stable fixing of wind power tower barrels of different specifications are achieved, meanwhile, the sealing performance, safety and operation convenience of offshore operation are guaranteed, and the overwater wind power overhaul efficiency is improved.

The invention relates to the technical field of deep groove ball bearing machining, and discloses a grinding device for deep groove ball bearing machining, which comprises a working table, and preferably, further comprises a bracket, a grinding device, a grinding device, a grinding device and a grinding device, and preferably, the bracket is mounted at the bottom of the working table and is used for supporting the working table to be stable; the inner clamping mechanism is arranged above the workbench and is used for internally clamping deep groove ball bearings with different diameters; the outer limiting mechanism is arranged on the inner clamping mechanism and is used for limiting when the outer wall of the deep groove ball bearing is ground; and the grinding mechanism is arranged on the right side of the workbench and used for grinding the deep groove ball bearing. According to the deep groove ball bearing inner ring grinding device, through the arranged inner clamping mechanism, the included angle between the first clamping rod and the second clamping rod is changed, so that the inner ring of a deep groove ball bearing is clamped, auxiliary clamping is achieved, and the deep groove ball bearing can be ground conveniently.

The utility model discloses a precise hole pitch machining clamp for a numerical control lathe, and belongs to the field of numerical control lathe clamps. The rack is rectangular, two linear adjusting assemblies are symmetrically arranged on the upper end face of the rack, and positioning shafts are slidably arranged on the two linear adjusting assemblies. A mounting base is arranged on the upper end face of the rack, and a displacement assembly is assembled on the mounting base. When the precise hole pitch machining clamp for the numerical control lathe is used, the positioning shaft and the positioning rod can conduct long-stroke displacement motion and then are matched with each other to achieve multi-point limiting, the clamping requirements of workpieces of different sizes and strokes can be met through long-stroke clamping of the positioning shaft and the positioning rod, and the precision hole pitch machining clamp for the numerical control lathe is suitable for machining of workpieces of different sizes and strokes. Each set of clamping structure can be independently adjusted and adapt to different workpiece sizes, so that the clamping range is expanded, meanwhile, multiple sets of long-stroke clamping can provide more clamping points, the clamping force is distributed more evenly, and therefore the clamping stability of the numerical control lathe during precise hole pitch machining is improved.

The utility model provides a universal gear grinding clamping tool for a wind power planet gear, which is characterized in that a lower end base is fixedly arranged on a workbench, and a convex wall is arranged at the lower part of the lower end base; the axis fastening screw penetrates through the axis through hole and then is arranged in the axis screw hole in a screwed mode, the peripheral fastening screw penetrates through the peripheral through hole and then is arranged in the peripheral screw hole in a screwed mode, and therefore the upper end panel is fixedly connected to the lower end base. An adjusting sleeve is arranged on the convex wall, a vertical adjusting screw hole is formed in the adjusting sleeve, an adjusting bolt is screwed in the adjusting screw hole, and the top of the adjusting bolt abuts against the lower end face of the upper end panel; a workpiece is placed on the upper end face of the upper end panel, and the diameter of the upper end panel is larger than that of an inner hole of the workpiece and smaller than that of the workpiece. The tensioning bolt penetrates through the tensioning through hole and then is arranged in the tensioning screw hole in a screwed mode, and therefore the workpiece is fixedly connected to the upper end panel. According to the utility model, a meter calibration position can be kept away after clamping, rapid alignment is facilitated, and the tool is high in universality and low in cost.

The utility model discloses an automobile body clamp quick-changing device which comprises a workbench, the top end of the workbench is fixedly connected with a frame, a rotating rod is installed in the frame, the outer surface of the rotating rod is in threaded connection with a sleeve plate, a placing frame is installed at the front end of the sleeve plate, and an installation plate is installed on the inner side of the placing frame. And the clamping mechanism comprises a machine shell arranged at one end of the mounting plate. According to the body clamp quick-changing device, a worker starts a motor, an output shaft of the motor drives a rotating gear to rotate through a coupler, the rotating gear rotates to drive a connecting gear connected with one side in a meshed mode to rotate, and therefore a connecting plate fixedly connected with the connecting gear and a half gear rotates; and the clamping rod rotationally connected with one end of the connecting plate is driven to rotate in the rotating process of the connecting plate, so that the vehicle body is clamped, and the clamping range effect of the included angle can be adjusted according to different vehicle roof angles.

The utility model relates to the technical field of bearing ring clamps, in particular to a clamp for measuring a bearing ring, which comprises a support plate provided with a groove in the middle; the connecting base is arranged on the supporting plate in a sliding mode, an inner hole is formed in the connecting base, and inner tooth grooves are formed in the inner side wall of the groove and the inner side wall of the inner hole; the locking assembly comprises a handle which slidably penetrates through the groove and the inner hole and is coaxial with the groove and the inner hole, a gear meshed with the inner tooth groove is fixedly arranged in the middle of the handle, and the thickness of the gear is larger than the depth of the groove; the multiple clamping assemblies are arranged, and the multiple clamping assemblies are distributed on the supporting plate around the axis of the inner hole; the clamping assembly comprises a clamping block and a fixing plate which is driven by the connecting seat to approach to or be far away from the connecting seat, the clamping block is detachably arranged at one end, far away from the connecting seat, of the fixing plate, the clamping range of the clamp can be enlarged, and the measurement cost is reduced.

The utility model relates to the technical field of machine tool clamps, and provides a centering chuck which comprises a chuck body, a motor, a trapezoidal lead screw, a sliding base, a clamping jaw, a positioning block, a bevel pinion and a bevel gearwheel. The motor is connected with the trapezoidal screw rod, and the trapezoidal screw rod is connected with the disc body; the sliding base is connected with the clamping jaw, the conical pinion is installed at the tail end of the trapezoidal lead screw and meshed with the conical large gear, and the circular motion of the trapezoidal lead screw is changed into the linear motion of the clamping jaw under the driving of the motor. Automatic control can be completely achieved, the positioning precision is high, the clamping range is large, the clamping mechanism can be self-locked, and the clamping device is suitable for clamping large shaft and disc parts.

The utility model discloses a front cover positioning fixture which comprises a working table plate and a rubber pad, supporting frames are arranged on the left side and the right side of the upper end of the working table plate, an air cylinder is installed at the upper end of each supporting frame, a groove strip is arranged on the inner side of each supporting frame, a movable handle is arranged in each groove strip in a penetrating mode, a first fixture is installed at the bottom end of each movable handle, and a second fixture is installed at the bottom end of each first fixture. The rubber pad is arranged in the first clamp, and a rotating handle is arranged at the bottom end of the rubber pad. According to the front cover positioning clamp, the transverse horizontal position of a supporting plate is adjusted through a micro air cylinder, meanwhile, the vertical horizontal position of the supporting plate can be adjusted through an electric telescopic rod, the supporting plate can support the clamped part of a front cover, the stability of the front cover is improved, and the position of a rubber pad can be adjusted through a rotating handle; the distance between the rubber pad and the first clamp is adjusted, so that the front covers with different thicknesses are clamped, the clamping range of the device is expanded, the connecting strip and the working table plate can be connected through the magnetic attraction strip, and meanwhile the stability of the connecting strip is improved through clamping connection between the inserting rod and the connecting hole.

The utility model relates to the technical field of machine tools, and discloses a cross beam clamping mechanism and a gantry processing machine thereof, the cross beam clamping mechanism comprises a cross beam body and a door arch structure for installation, one side of the cross beam body is provided with a clamping assembly for clamping, the clamping assembly comprises a track, a swing rod, a sliding block, a reduction gearbox and a clamping block, the track and the cross beam body are fixedly installed, and the swing rod is connected with the sliding block. Two sliding blocks which can be close to each other are arranged on one side of the rail, a rotatable swing rod is arranged on one side of each sliding block, a clamping block which can rotate and slide around the swing rod is arranged at the lower end of each swing rod, the swing rods are driven by a reduction gearbox, and the reduction gearbox pushes the swing rods to swing so that the positions of the clamping blocks can be adjusted. The clamping device has the advantages that the clamping range is further widened, the overall structure is simple, later maintenance is facilitated, and when a small workpiece is clamped, the two swing rods can be adjusted to be distributed in an inner eight-way mode so as to avoid displacement of a machining head.

The invention discloses a test device for a shipborne high-speed boat engine, and the invention relates to the field of mechanical equipment testing technology, including a composite mechanism. The test device for the shipborne high-speed boat engine is designed with a composite mechanism, and the bearing plate is controlled to slide on the surface of the slide rail block, so as to achieve the function of regulating the spacing, and the auxiliary slide rail plays the role of auxiliary sliding, so as to ensure the stability of the sliding of the components, and avoid the displacement when the engine is carried, and then the clamp is controlled by an electric push rod to fix the engine, and the shaking of the engine is prevented during the detection, so as to avoid affecting the detection effect, and the clamp drives the clamp mechanism to fix the engine, and the slide block plays the role of guiding, so as to avoid the displacement of the clamp mechanism when it moves, and improve the accuracy of the operation, and the clamp mechanism is adjusted according to the size of the engine, so as to achieve the function of expanding the scope of application, improve the applicability of the clamp, and prevent the unstable fixing of the engine.

The utility model relates to the technical field of machine tool clamps, in particular to a comb tooth type manual chuck which comprises a chuck body, a large bevel gear, a small bevel gear, a rear cover and a plurality of movable clamping jaws, the large bevel gear is movably arranged on the inner side of the chuck body through the rear cover, and the small bevel gear is arranged on the chuck body and meshed with the lower end of the large bevel gear. The movable clamping jaws are distributed around the axis of the chuck body and meshed with the upper end of the bevel gear wheel, each movable clamping jaw comprises an upper jaw, a lower jaw and a connecting block, the upper jaws are arranged on the lower jaws through the connecting blocks, and the connecting blocks are connected with the lower jaws in a sliding mode; comb teeth meshed with each other are arranged on the contact surfaces of the upper claw and the lower claw; by means of the manual chuck, the clamping range of the manual chuck can be enlarged, and the manual chuck is more flexible to use.

This utility model relates to the field of welded pipe mold technology, specifically a synchronous centering and positioning structure for welded pipe molds. It includes a base plate and multiple fixing components disposed on one side of a mounting plate. Each fixing component includes a base fixedly mounted on one side of the mounting plate. A first fixing ring is movably disposed inside the base, and a second fixing ring clamping component is hinged to one end of the first fixing ring and disposed inside the fixing component. In this utility model, the fixing components limit and support the mold. The spring force pushes the fixing rings, creating a moving force that allows two molds to automatically align. The spring's contraction range allows the molds to move within a certain range. Simultaneously, the clamping components fix the molds. The rotation of the clamping rings allows the molds to rotate within a certain range, facilitating adjustments to the mold's splicing position and angle, making it easier to use.

This invention discloses an easy-to-install chip fixing device, comprising a base, an auxiliary limiting mechanism, and an adsorption mechanism. It further includes: a hydraulic cylinder fixedly connected to the inner wall of the bottom end of the base, with a support plate fixedly connected to the outer wall of the top end of the base; the output end of the hydraulic cylinder passing through the support plate; a stop fixedly connected to the output end of the hydraulic cylinder, with a central support fixedly connected to the outer wall of the top end of the stop; an L-shaped side support plate fixedly connected to one side of the outer wall of the central support by screws; a limiting bending plate located on one side of the central support; a support frame with multiple springs fixedly connected to its bottom end, the bottom ends of which are fixedly connected to the top end of the support plate; the output end of the hydraulic cylinder passing through the inner wall of the top end of the support frame; two sets of waist-shaped grooves symmetrically arranged on the support frame; and two bent connecting rods. This easy-to-install chip fixing device reduces chip damage, simplifies chip placement, and eliminates the need for additional calibration steps.

The present invention provides a spring washer cutting machine, comprising a base plate, a T-slot is provided at the middle position of the upper end surface of the base plate, a movable plate is installed on the upper side of the T-slot, an insertion rod is installed on the upper side of the movable plate, a knife groove is provided on the upper side of the annular side surface of the insertion rod, a plurality of groups of threaded blind holes are equidistantly provided on the upper end surface of the movable plate, and two groups of U-shaped frames are installed on the upper side of the movable plate, circular holes are provided on the lower end surfaces of the two groups of U-shaped frames, fastening bolts are inserted in the circular holes, threaded through holes are provided on the upper end surfaces of the two groups of U-shaped frames, threaded rods are meshed in the two groups of threaded through holes, rolling bearings are sleeved on the outer surfaces of the upper ends of the two groups of threaded rods, sleeves are installed on the upper ends of the two groups of rolling bearings, a clamp is installed on the outer surface of the right end of the sleeve by screws, and pull rods are inserted in the two groups of sleeves. The present invention achieves the purpose of adjusting the clamping range according to the length of the spring washer coil.

The switching type tailstock is characterized by comprising a tailstock mounting table, a fixed center tailstock, a driving mechanism, a movable plate, a guide sliding rail, a detachable center tailstock and a mounting screw, the fixed center tailstock is fixedly mounted at one end of the tailstock mounting table, the driving mechanism is mounted at the other end of the tailstock mounting table and connected with the movable plate, and the movable plate is connected with the guide sliding rail. A movable plate is arranged on the tailstock mounting table, a detachable center tailstock is fixed on the movable plate through mounting screws, and the two ends of the movable plate are respectively connected with a guide sliding rail mounted on the tailstock mounting table in a sliding manner. The two ends of the same part can be machined by adjusting the distance between the two center tail frames, the machining range in front of the two center tail frames can be adjusted, the two parts can be machined by the two center tail frames respectively, and practicability is enhanced.

The utility model relates to mould processing technical field discloses the rotary material taking device for mould processing, including stand, the top wall of stand is provided with support arm, the bottom left side of support arm is provided with hydraulic pressure rod, the bottom of hydraulic pressure rod is provided with material taking mechanism, material taking mechanism is used for taking and placing material, the inside of support arm is provided with moving mechanism, moving mechanism is used for moving hydraulic pressure rod, the top wall of stand is installed with rotating mechanism, and rotating mechanism is used for rotating support arm, material taking mechanism includes fixed block no.

The utility model discloses a leaky coaxial cable clamp for a tunnel, relates to the technical field of leaky coaxial cable fixation, and aims to solve the technical problem that an existing leaky coaxial cable clamp cannot be suitable for multiple working conditions. The leaky coaxial cable clamp comprises a first base, a cable clamping assembly and a cover plate, the first base is provided with a first clamping groove used for containing a leaky coaxial cable, the cable clamping assembly comprises a second base and a clamping structure, the second base is connected to one end of the first base, a second clamping groove is formed between the clamping structure and the second base, and the second clamping groove is used for clamping the leaky coaxial cable. One end of the clamping structure is rotationally connected with the second base, and the clamping structure can be fixed to the second base so that the clamping structure can be kept in a clamping state; the cover plate is used for sealing the first clamping groove and the second clamping groove. Therefore, by rotating the clamping structure, the clamping range of the second clamping groove is adjusted, and therefore the clamping device can be suitable for various working conditions and is high in applicability.