154results about How to "Guaranteed clamping stability" patented technology

The invention relates to the technical field of rotary mounting tools, in particular to a rotary mounting tool for a gas tank of a gas-insulated switchgear, which comprises a bottom fixing frame body and a left fixing frame body fixed above the left side of the bottom fixing frame body, a right moving frame body is connected to the upper portion of the right side of the bottom fixing frame body. Ball screws are mounted in the middle parts of the left fixed frame body and the right movable frame body; one side surface of the rotary support plate is connected with a main clamp mechanism for clamping the left side surface and the right side surface of the gas tank of the gas-insulated switchgear; two sets of bottom supporting plates used for supporting the bottom face of the gas tank of the gas-insulated switchgear are symmetrically installed below the rotary carrying plate through self-adjusting frames, and side supporting plates used for clamping the front side face and the rear side face of the gas tank of the gas-insulated switchgear are fixed to the upper portions of the horizontal planes of the bottom supporting plates. According to the rotary mounting tool for the gas tank of the gas-insulated switchgear, clamping force can be applied to multiple side faces of the gas tank of the gas-insulated switchgear, the clamping stability of the gas tank of the gas-insulated switchgear during rotation in the later period can be guaranteed, and the rotary mounting tool can conveniently and well drive the gas tank of the gas-insulated switchgear to rotate.

The invention discloses an inverted-T-shaped cross-shaped sliding table vertical five-axis machining center, and relates to the technical field of five-axis machining. The precision problem is solved. The machine specifically comprises a base, an X-axis linear guide rail, a saddle, a Y-axis linear guide rail, a rotary table supporting plate, a five-axis cradle rotary table, a stand column, a Z-axis linear guide rail, a spindle box and a vertical tool magazine, the saddle is connected with the base through the X-axis linear guide rail to achieve X-axis left-right movement, and the rotary table supporting plate is connected with the saddle through the Y-axis linear guide rail to achieve Y-axis front-back movement. The five-axis cradle rotary table is installed on the rotary table supporting plate to achieve A-axis and C-axis rotary motion, a stand column is installed on the base, and the spindle box is connected with the stand column through a Z-axis linear guide rail. Compared with a traditional vertical five-axis machining center, a cross-shaped sliding table structure is adopted, overhanging of the saddle and the workbench can be effectively reduced, when the center bears the weight and inertia of a five-axis cradle rotary table, the precision change in the operation process of a machine tool is small, and high-precision five-axis linkage machining of workpieces can be achieved.

The invention relates to the technical field of optical fiber sensors, and provides an optical fiber grinding method and a grinding processing device.An optical fiber FP sensor is driven by a three-axis displacement mechanism and a grinding disc to move under clamping of a designed optical fiber clamping mechanism, and optical fiber grinding work is carried out; the upper computer electrically controls the three-axis displacement mechanism and the grinding disc, in the grinding process, the broadband light source, the optical circulator and the spectrograph form a demodulation system to detect optical fiber spectrum information and convert the optical fiber spectrum information into electric signals, the electric signals are transmitted to the upper computer, and the upper computer monitors the grinding thickness in real time through a demodulation algorithm. And communication with the three-axis displacement mechanism and the grinding disc is established through a hardware module, and then actions of the three-axis displacement mechanism and the grinding disc are controlled according to the grinding thickness detection information. According to the method, a demodulation algorithm is utilized, online monitoring of the cavity length and thickness in the grinding process is achieved through a spectral signal detection technology, and the machining precision and efficiency can be guaranteed.

The utility model discloses an electromagnetic valve processing clamp disc for batch production, which comprises a disc body, two groups of first clamps are symmetrically arranged, each group of first clamps comprises a transmission frame body and a plurality of first L-shaped frames arranged on the transmission frame body, and a transmission groove is formed in the horizontal section of each first L-shaped frame; a first clamping head which is transversely distributed is mounted in the base in a sliding manner; the second clamp comprises a plurality of wedge block transmission assemblies, two second clamping heads which are symmetrically distributed are arranged on the two sides of each wedge block transmission assembly respectively, and the second clamping heads and the first clamping heads are the same in structure and are oppositely arranged. Through the structural characteristics of the second clamping head and the first clamping head, the adaptive clamping process of the special-shaped side wall of the electromagnetic valve is further achieved, through the design, the working efficiency is improved, the clamping stability of the electromagnetic valve is guaranteed, meanwhile, the clamping device is suitable for the electromagnetic valves of different specifications and models, and the application range is further widened.

The invention discloses milling equipment for transmission shaft machining, and relates to the technical field of transmission shaft milling, the milling equipment comprises a base, a moving assembly is arranged on one side of the top of the base, a mounting frame is mounted on the moving assembly, a milling assembly is mounted on the mounting frame, and a fixed base is arranged on the other side of the top of the base; a clamping system and a driving assembly are mounted on the fixed base, the driving assembly is connected with the clamping system, and the clamping system is driven by the driving assembly to move; wherein a clamping assembly and a regulation and control assembly are arranged in the clamping system, the regulation and control assembly is connected with the clamping assembly, and the clamping assembly is driven to move through the regulation and control assembly; the regulation and control assembly is arranged in the clamping system to drive the clamping assembly to move, the influence of external factors is avoided, through bidirectional driving, the clamping assembly is kept to be stressed evenly, movement deviation is avoided, clamping of the clamping assembly is more stable, and milling machining of the transmission shaft is more accurate.

The invention relates to the technical field of thermoplasticity testing, and particularly discloses a homogeneous alloy steel bar high-temperature thermoplasticity testing device which comprises a machining platform, the bottom of the machining platform is fixedly connected with a device base, and the top of the machining platform is provided with a supporting assembly, a stretching assembly and a heating assembly. The supporting assembly comprises supports symmetrically and fixedly connected to the upper surface of the machining platform. The stretching assembly comprises movable platforms symmetrically and slidably connected between the two supports. The bottom of a workpiece is inserted into a bottom stretching assembly, a spring drives a clamping block to achieve primary clamping of the bottom of the workpiece, then an upper movable platform and a lower movable platform are controlled to move oppositely, the two ends of the workpiece are further clamped, and then a driving mechanism drives a second gear to rotate to drive a clamping base to clamp the workpiece. The hydraulic cylinder drives the movable block to rotate around the mounting shaft through the stretching mechanism, the workpiece clamping effect is enhanced, and therefore the clamping stability is guaranteed, the operation process is simplified, efficient and stable workpiece clamping is achieved, and accidental risks are reduced.

The utility model discloses bus strength stress test equipment, which comprises a detection support, a fixed processing structure and a stretching and bending structure, the fixed processing structure and the stretching and bending structure are mounted on the detection support, and relates to the technical field of bus testing, in particular to a self-adaptive clamping system. An electromagnetically driven arc extrusion block is adopted to be matched with a liftable convex block, stepless pressure adjustment is realized through magnetic force conduction, and a horizontal telescopic spring buffer mechanism is combined, so that a bus can be tightly fixed, machining impact can be absorbed, and clamping stability is ensured; multi-dimensional deformation control is achieved, a cross-shaped extrusion support is carried on a rotary extrusion circular ring pipe, 360-degree dynamic extrusion can be conducted on a bus in cooperation with four sets of concave wheels driven by electromagnetic repulsion, and precise closed-loop control over the stretching strength is achieved in cooperation with real-time monitoring of a pressure sensor.

This utility model relates to the field of automotive parts stamping technology, specifically to an automotive parts stamping positioning mechanism. It includes a base, an upper die base, and a lower die base. A component is disposed between the upper and lower die bases. A mounting frame is provided on the base, and a component-limiting mechanism is disposed within the mounting frame. An adjustment mechanism for adjusting the position of the mounting frame is also provided on the base. The limiting mechanism includes four sets of symmetrically distributed limiting brackets within the mounting frame. Two sets of symmetrically distributed first push rods and two sets of symmetrically distributed second push rods are slidably mounted within the mounting frame. Through the cooperation of the four sets of symmetrically distributed limiting brackets and the linkage push rods, clamping force can be applied synchronously from the four corners of the component, ensuring precise alignment between the material center and the die cavity, avoiding misalignment caused by dimensional tolerances. The transmission structure of the slide, rack, and gear enables the four sets of limiting brackets to move synchronously. Combined with the elastic reset function of the torsion spring, this ensures clamping stability and adapts to material deformation during stamping.

The utility model discloses a wine bottle detection lower clamping mechanism which comprises a driving mechanism, a lifting rod rotationally connected with the driving mechanism, an installation sleeve located outside the lifting rod, a linkage piece rotationally connected with the lifting rod and a clamping assembly rotationally connected with the linkage piece. A mounting seat provided with a cavity is arranged at the top of the mounting sleeve, the linkage piece is located in the mounting seat, and the clamping assembly is located on the mounting seat; the clamping assembly comprises a guide mechanism and two clamping claws in sliding connection with the guide mechanism, the two clamping claws are symmetrically arranged, and the linkage piece drives the two clamping claws to move in the direction close to each other or away from each other. Through mutual cooperation of the driving air cylinder, the lifting rod, the linkage piece, the clamping claw and other structures, the wine bottle is stably clamped, and the structure is simple. According to the scheme, when the material clamping mechanism rotates, the air cylinder does not need to rotate, a pneumatic sliding ring structure is omitted, and meanwhile the air cylinder is arranged externally and is convenient to maintain.

The utility model relates to the technical field of chemical fiber yarn disc defect detection equipment, in particular to a chemical fiber yarn disc inner supporting type clamp which comprises a grabbing part, a telescopic part and a rotating part, and the grabbing part, the telescopic part and the rotating part are used in cooperation to achieve the grabbing telescopic and rotating functions. According to the utility model, an internal supporting type clamping mode is adopted, so that extra damage to the chemical fiber scroll is effectively avoided; the supporting claw structure with the protruding points can be in multi-point contact with the inner wall of the paper tube after being opened, clamping friction force is improved, clamping stability is guaranteed, the paper tube deformation risk is reduced, meanwhile, the control capacity of the clamp for a scroll in the rotating process is improved, and the clamping device is particularly suitable for occasions needing high-precision image collecting and positioning. Through cooperation of the grabbing part, the telescopic part and the rotating part, the rotating part drives the whole to rotate, the telescopic part controls stretching, and the grabbing part is responsible for grabbing a scroll and is used for stably clamping the scroll during detection.

The utility model discloses a middle-shallow geothermal energy buried pipe mounting structure, which belongs to the technical field of buried pipes and comprises a supporting seat, a bottom plate is fixedly connected below the supporting seat, and an adjusting device is mounted in the supporting seat. According to the utility model, the adjusting device is arranged in the supporting seat and comprises the first threaded rod, the nut and the adjusting hole, so that an operator can rotate the first threaded rod in the mounting process to enable the first threaded rod to move up and down in the adjusting hole so as to drive the whole supporting seat to lift, thereby realizing accurate control on the mounting height of the buried pipe; the nut is fixedly connected to the upper surface of the supporting base, it is ensured that the structure is stable and reliable in the adjusting process, in actual construction, the adjusting mechanism can be flexibly adjusted according to the ground gradient or the concave-convex condition of a foundation, it is ensured that all buried pipes are located at the same elevation position, and uneven heat transfer or buried pipe damage caused by different buried depths is avoided; the system effectively adapts to complex and changeable terrain environments, and the system operation stability is improved.

The utility model discloses a positioning device for safety detection relates to positioning detection technical field. The positioning device for safety detection, including bottom plate and rotation locking mechanism, the top of bottom plate is provided with the connecting frame, and the top fixed mounting of bottom plate has the mounting panel, rotation locking mechanism sets up on the mounting panel, and rotation locking mechanism is used for driving the connecting frame and is locked to rotate. Through the cooperation of servo motor, rotating stick, ratchet, rotating short stick, claw and connecting frame, the rotation locking mechanism can drive the connecting frame to turn over the object clamped on it, avoid the need to re -clamp detection object or need the manual overturn of operating personnel when the multi -surface detection of clamping object, avoid the positioning deviation of multiple clamping easy to produce, lead to the condition of the error of detection data, improve the accuracy of detection, and shorten the overall working hours, improve the work efficiency of detection positioning device.

The utility model relates to the technical field of linear cutting, in particular to a bidirectional clamping and fixing device for linear cutting. The top of the mounting plate is fixed to a rack, the clamping parts are arranged on the two sides of the mounting plate in a mirror image mode with the central axis of the mounting plate as the reference, each clamping part comprises an upper supporting rod, a middle supporting rod and a lower supporting rod, and the two ends of the upper supporting rod, the two ends of the middle supporting rod and the two ends of the lower supporting rod are movably installed on corner-shaped supporting arms through shafts. The upper ends of the supporting arms are movably installed on the upper supporting rods, the corner points of the supporting arms are movably installed on the middle supporting rods, the lower ends of the supporting arms are movably installed on the lower supporting rods, and pressing plates used for clamping are arranged on the inner sides of the lower supporting rods. An installation plate is adopted as a base body, the top of the installation plate is fixed to a rack, clamping parts are symmetrically arranged on the two sides of the central axis of the bottom of the installation plate, each clamping part is composed of an upper supporting rod, a middle supporting rod and a lower supporting rod, and the two ends of the upper supporting rod, the middle supporting rod and the lower supporting rod are movably connected with corner-shaped supporting arms through shafts to form a four-connecting-rod linkage mechanism, and bidirectional symmetrical clamping is achieved.

The invention relates to the field of rock core clamping equipment, and discloses a portable field rock core comparison detection holder which comprises a clamping box body, and a clamping platform, a fixed boss, a movable boss, two pistons, a plurality of groups of positioning shafts, a first positioning part, a second positioning part and a rotating part are arranged in the clamping box body; a plurality of positioning pins are arranged on the first connecting plate and the movable boss; the first positioning part can drive the second positioning part to synchronously adjust the position of the piston when the movable boss moves to the preset position of the rock core, and the first positioning part can also adjust the position of the positioning shaft in the process of moving the movable boss, so that each group of positioning shafts move towards the circle center direction of the adjacent clamping opening. According to the invention, stable clamping of rock cores with different lengths is realized, and detection errors of subsequent comparison are eliminated or reduced.

The utility model relates to the technical field of lip balm tube processing equipment, in particular to a thread screwing device for lip balm tube production, which comprises a conveying belt and a cap screwing device assembled above the conveying belt, the conveying belt is respectively provided with a feeding end and a discharging end in the X-axis direction, the cap screwing device is arranged between the feeding end and the discharging end, and the feeding end and the discharging end are arranged on the conveying belt. The cap screwing device comprises a first fixing mechanism used for clamping the bottom of a pipe body and a second fixing mechanism used for abutting against and rotating a cap body, and the first fixing mechanism and the second fixing mechanism are arranged on the left side and the right side of the conveying belt in the Z-axis direction correspondingly. The first fixing mechanism and the second fixing mechanism are arranged on the left side and the right side of the advancing direction of the conveying belt correspondingly, the bottoms of a cover body and a pipe body are limited, cap screwing operation is carried out, buffering force is provided through the telescopic design of an outer fixing piece and a spring in the cap screwing process, clamping stability is ensured, and the clamping efficiency is improved. And the risk of tube body damage caused by improper clamping force adjustment is reduced, and the machining quality of the lip balm tube screw cap is improved.

The application discloses a liquid-cooled server mechanical fixing device, and particularly relates to the technical field of server cabinet installation, which comprises a case, a liquid-cooled server arranged on the inner side of the case, an adjusting assembly arranged on the inner side of the case and used for fitting and positioning liquid-cooled servers of different models, and a supporting assembly arranged on the adjusting assembly and used for floating clamping the surface of the liquid-cooled server. The application realizes flexible adjustment of the length, width and height of the rectangular placement frame through horizontal sliding of the positioning frame along the mounting rod and vertical insertion and cooperation of the L-shaped sliding frame, adapts to liquid-cooled servers of different models, and improves the adaptation range of the fixing device. The application uses the pad and the multiple blocking strips to segmentally support the bottom corners of the server, and the pad is clamped at the corners in cooperation with the pressing plate, so that the clamping stability is enhanced, and the shaking of the liquid-cooled server in the case is effectively reduced.

The utility model relates to the technical field of clamping devices, in particular to a rapid clamping device for manufacturing an automobile accessory foam mold. The electric push rods are fixedly connected to the two sides of the base respectively; the controller is fixedly connected to the base; a sliding groove is formed in the base; the sleeve is fixedly connected to the electric push rod; the pressure sensor is fixedly connected to the rod end part of the electric push rod; the two moving plates are connected into the sliding grooves in a sliding manner; the spring is fixedly connected between the movable plate and the electric push rod; and the contact plates are respectively arranged on the two movable plates. Through the synergistic effect of the pressure sensor and the spring, the clamping stability of the foam mold is guaranteed, meanwhile, overpressure damage to the foam mold is avoided, intelligent and controllable clamping of the foam mold is achieved, compared with a traditional clamp, higher use safety is achieved, and the production quality of the foam mold is guaranteed.

The utility model relates to the technical field of wire testing, and discloses a wire vertical torsion testing machine with a positioning structure, which comprises a machine body, a servo motor is fixedly mounted on the inner wall of the machine body, a mounting disc is fixedly mounted at the output end of the servo motor, and a positioning cylinder is fixedly mounted on the upper surface of the mounting disc. And the inner wall of the top of the positioning cylinder is in threaded connection with a locking bolt, a clamping block is rotationally installed at the end of the locking bolt, and a positioning assembly is arranged in the positioning cylinder. Through the arrangement of the positioning assembly, when a test wire is installed, the wire passes through the space between the curved bar and the contact wheel, and when the wire is dragged upwards in the torsion test process, the wire drives the contact wheel to rotate and further drives the straight bar and the curved bar to rotate by taking the rotating bar as a rotating shaft, and the curved bar generates a tensile force in the horizontal direction on the wire, so that the wire is prevented from being damaged. The upward pulling trend of the wire is reduced, and the clamping stability of the wire and the accuracy of data in the testing process are ensured.

This invention relates to the field of locomotive welding technology, specifically disclosing a positioning device and method for welding locomotive roofs. The positioning device for locomotive roof welding includes: a traveling trolley, a main lifting mechanism, a linkage clamping mechanism, and an arc-shaped rod clamping mechanism; the main lifting mechanism includes a main lifting drive and a lifting seat, with the output end of the main lifting drive connected to the lifting seat; the linkage clamping mechanism includes a horizontal drive and two linkage clamping members spaced apart along a first horizontal direction, the linkage clamping members being used to clamp roof connecting rods; the arc-shaped rod clamping mechanism includes an arc-shaped rod lifting drive and an arc-shaped rod clamping member, the arc-shaped rod clamping member being used to clamp the arc-shaped rod of the roof. The positioning method for locomotive roof welding is accomplished using the above-mentioned positioning device. The positioning device and method for locomotive roof welding can solve the problems of poor flexibility, poor positioning accuracy, and simple clamping fixture structure existing in the positioning mode of existing locomotive roof welding.

The utility model relates to the technical field of fastening devices, in particular to a hardware fastening device for hardware machining. According to the technical scheme, the device comprises a fixed base and a clamping plate, the upper end of the fixed base is slidably connected with a pair of driving arms, a driving assembly for driving the driving arms to move is arranged in the fixed base, mounting blocks are fixed to the sides, close to each other, of the upper ends of the driving arms, and a mounting plate is fixed to a back plate of the clamping plate; the size of the mounting plate is matched with that of the mounting block, and a dismounting assembly is arranged at the joint of the mounting plate and the mounting block. Hardware can be fixed through extrusion of the clamping plates, the clamping plates matched with the hardware can be rapidly replaced according to different appearances of the hardware, clamping stability is guaranteed, and meanwhile work efficiency can be improved.

The invention relates to the technical field of aluminum plate cutting, in particular to a multi-size aluminum plate high-stability cutting device which effectively solves the technical problems of poor cutting stability and poor cutting efficiency and comprises a mounting shell, a conveying lap joint table on the mounting shell and a feeding placement frame on the conveying lap joint table. A multi-stage locking assembly is arranged above the feeding containing frame and comprises a side positioning push rod above the feeding containing frame, two symmetrically-distributed sliding sleeve frames are fixedly installed on the output end face of the side positioning push rod, a plurality of sliding plates are slidably connected into the sliding sleeve frames, and rear auxiliary plates are fixedly installed on one end faces of the sliding plates. Two symmetrically-distributed connecting tension springs are fixedly installed between each sliding plate and the rear auxiliary plate, and the other end faces of the sliding plates are fixedly provided with separating clamping plates. Through linkage of the side positioning push rods, the sliding sleeve frames, the sliding plates, the separating clamping plates and other components, multiple sets of aluminum plates with different width specifications can be cut; the cutting efficiency is guaranteed.

This application provides a flexible clamping structure for high-temperature nylon tubing, belonging to the technical field of nylon tubing processing. It is used to install on a tubing clamping fixture to clamp and fix high-temperature nylon tubing. The flexible clamping structure includes two contoured clamping blocks and two sets of elastic clamping members. The two contoured clamping blocks are respectively installed on a driving component that moves relative to each other in the tubing clamping fixture. The opposing surfaces of the two contoured clamping blocks each have a semi-annular groove for accommodating the high-temperature nylon tubing. The two sets of elastic clamping members correspond one-to-one with the two contoured clamping blocks and are disposed within the semi-annular grooves. The inner sides of the two sets of elastic clamping members are used to contact the high-temperature nylon tubing, and the elastic modulus of the elastic clamping members is smaller than that of the high-temperature nylon tubing. This application uses elastic clamping members with a smaller elastic modulus to contact the surface of the nylon tubing. The static friction force generated by the elastic deformation caused by pressure on the nylon tubing surface ensures both clamping stability and a residue-free clamping effect.

The utility model discloses round steel convenient to fix, and relates to the technical field of round steel machining. The adjustable round steel comprises a round steel body, a fixing mechanism, an adjusting mechanism and a base. The depth of the adjusting shaft in the positioning frame can be changed by changing the position of the fastener on the circumferential surface of the adjusting shaft, so that the distance between the fixing seats can be changed, namely, the purpose of clamping round steel bodies with different outer diameters can be achieved, and when the distance between the fixing seats is changed, a movable column can be driven to move in a limiting cylinder, so that the round steel bodies with different outer diameters can be clamped. A limiting spring can be extruded, namely the moving stability and the clamping stability of the fixed seat can be further ensured under the cooperation of a moving column, a limiting barrel and the limiting spring; the distance between the moving seats on the same side can be changed by changing the positions of the locking pieces on the circumferential surfaces of the positioning columns, namely, the distance between the positioning frames can be changed, so that the distance between the fixing mechanisms can be changed, and the purpose of clamping round steel bodies with different lengths can be achieved.

The utility model discloses a shaking device for drug synthesis, relates to the technical field of drug synthesis, and aims to solve the technical problems that the existing rigid clamping structure is easy to cause micro-slippage of a test tube during high-frequency or variable-angle vibration and insufficient friction force affects the mixing uniformity of drug synthesis, and comprises a base, a vibration mechanism and a shaking mechanism, the shaking mechanism is arranged on the vibrating mechanism, the vibrating mechanism is arranged in the base, the shaking mechanism comprises a support, a notch is formed in the front end in the support, a clamping unit is arranged in the notch, and an adjusting unit is arranged at one end of the support. The outer wall of the test tube is gradually clamped through the guide design that the clamping blocks A and the clamping blocks B of the V-shaped structure are matched with the inserting grooves, deformation caused by stress concentration is avoided, the test tubes of multiple sizes are matched through pure mechanical adjustment, the manufacturing cost and the maintenance difficulty are reduced, the clamping blocks can be conveniently matched with containers of different specifications through the pluggable design, and the practicability is high. And clamping stability and economical efficiency are both considered in small and medium-sized laboratory scenes.

The utility model provides a kind of crystal segment longitudinal cutting clamp and cutting equipment, the crystal segment longitudinal cutting clamp includes clamping assembly, the clamping assembly includes first clamping plate and second clamping plate, which are arranged in parallel and spaced apart along the cutting direction of cutting equipment, the first clamping plate and the second clamping plate respectively contact the two ends of the crystal segment to be cut, so that the axis direction of the crystal segment to be cut is consistent with the cutting direction;Mounting, the mounting connects the clamping assembly and the cutting equipment, to fix the crystal segment clamped by the clamping assembly on the cutting equipment.The crystal segment longitudinal cutting clamp provided by the utility model can be applied to crystal bar cross-cutting equipment, the clamping direction of the crystal segment is perpendicular to each other by mounting to connect the clamping assembly and the clamping jaw, to achieve the purpose of temporarily longitudinal cutting crystal segment or crystal bar taper head using crystal bar cross-cutting equipment, to ensure the clamping stability of crystal segment or crystal bar taper head during cutting, the accuracy of cutting direction.

The utility model discloses a carton raw material clamping and transferring device which comprises a frame, a roll shaft is arranged in the frame, a side plate is arranged above the frame, the side face of the side plate is connected with a mounting base through a pull rod, a first telescopic rod is arranged in the mounting base, the end of the first telescopic rod is connected with a connecting block, and the connecting block is connected with a connecting rod. And the bottom of the connecting block is connected with a lifting seat through a second telescopic rod, a clamping plate is clamped in a sliding groove in the bottom of the lifting seat, the clamping plate is in threaded connection with a bidirectional lead screw, and dust collecting mechanisms are arranged on the two sides of the frame. The carton clamping device is scientific and reasonable in structural design, the height and the position of the clamping mechanism on the lifting base can be adjusted, so that the clamping requirements of carton raw materials of different types can be met, the materials are clamped through cooperation of the two sets of clamping plates, the clamping stability is guaranteed under the action of buffer blocks in the clamping plates, and the working efficiency is improved. And the clamping and transferring effects of the materials are further improved.

The utility model provides a clamp tool for heat exchanger casing pipe production, the clamp tool for heat exchanger casing pipe production comprises a first clamp tool and a second clamp tool which are symmetrically arranged, the first clamp tool and the second clamp tool are both provided with fixing blocks, the fixing blocks are provided with arc-shaped notches, and the arc-shaped notches are arranged on the first clamp tool and the second clamp tool. Air cylinders are arranged on the first clamp tool and the second clamp tool, driving rods of the air cylinders are connected to a connecting plate, a moving block is connected to the connecting plate, and an arc-shaped notch is formed in the front end of the moving block. According to the clamp tool for heat exchanger sleeve production, symmetrical tools conduct synchronous clamping, it is ensured that the sleeve is stressed evenly, deflection or deformation is avoided, automatic clamping / loosening is achieved through air cylinder driving, operation efficiency is improved, the arc-shaped notches are matched with sleeves of different diameters, and the clamp replacement frequency is reduced.

This application relates to a multi-directional swing test bench for hydraulic motors, belonging to the field of hydraulic motor inspection and testing technology. It includes a base with two sets of rectangularly distributed columns mounted on the upper side of the base. All columns share a common top plate. The test bench includes a swing mechanism, a clamping mechanism, and a deflection mechanism. The clamping and deflection mechanisms work together to change the motor's mounting position, avoiding the tediousness of manual adjustment and improving testing efficiency. Through the combined use of the swing and clamping mechanisms, the motor is subjected to multi-directional swinging, allowing observation of the motor's speed stability under swinging conditions. This effectively compensates for the shortcomings of static testing and significantly enhances the predictive ability of the test results for practical applications.

The utility model relates to the technical field of MiniLED circuit board production, and discloses a MiniLED circuit board clamping device which comprises a workbench, a first groove is formed in the front side of the upper portion of the workbench, the right side of the workbench is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a bidirectional threaded rod, and the output end of the bidirectional threaded rod is fixedly connected with a second groove. And threaded blocks are in threaded connection with the two sides of the exterior of the two-way threaded rod, limiting blocks are fixedly connected to the front portions of the threaded blocks, a fixing plate is fixedly connected to the upper portions of the threaded blocks, and a transmission assembly is fixedly connected to the lower portion of the fixing plate. According to the utility model, the Mini LED circuit board is automatically fixed, so that the processing efficiency of the Mini LED circuit board is improved, the device has the function of adjusting the clamping force, and the magnitude of the clamping force can be adjusted according to the thickness and the requirement of the circuit board, so that the clamping stability is ensured, and excessive pressure on the circuit board is avoided at the same time.

This utility model relates to the field of cosmetic manufacturing technology and discloses an eyeliner pencil positioning and feeding device, including a base. A sliding assembly is provided on the top of the base, and the sliding assembly includes a slide rail. The slide rail is fixedly connected to the top of the base. A slide rod is slidably connected to the outside of the slide rail, and a support block is fixedly connected to the top of the slide rod. A telescopic rod is provided inside the support block, and an electric push rod is provided inside the support block. A support plate is fixedly connected to the top of the telescopic rod, and two fixing plates are symmetrically arranged outside the support plate. In this utility model, the feeding position can be flexibly adjusted through the slide rail and slide rod. The electric push rod, in conjunction with the telescopic rod, can adjust the height of the support plate to adapt to different operational needs. Multiple fixing slots can stably hold multiple eyeliner pencils. The electric push rod, in conjunction with a rubber pad and a pressure relief block, can assist in positioning.