58results about How to "Fast clamping speed" patented technology

The utility model relates to the technical field of part machining, and discloses a die part machining operation table which comprises an operation table body, a first supporting plate and a second supporting plate are fixed to the positions, close to the left side and the right side, of the top face of the operation table body respectively, and a clamping assembly is arranged between the first supporting plate and the second supporting plate. The clamping assembly comprises two clamping plates arranged between the first supporting plate and the second supporting plate, four supporting rods and four springback rods are fixed to the two sides, away from each other, of the two clamping plates correspondingly, one end of each supporting rod is fixed to the side, close to the corresponding clamping plate, of the first supporting plate, and the springback rods are inserted into the side, close to the corresponding clamping plate, of the second supporting plate. The outer wall of the springback rod is movably sleeved with a spring. According to the utility model, the inclined surface of the locking inclined block is extruded and attached to the inclined surface of the connecting inclined block, so that the two clamping plates tightly clamp the grinding tool part, thereby reducing the number of turns of the threaded rod required to be rotated when the grinding tool part is clamped, increasing the clamping speed of the grinding tool part, and improving the processing efficiency.

A pneumatic horizontal centering clamp for a rear cover of a variable-displacement automobile air-conditioning compressor belongs to the field of automobile air-conditioning compressor processing tools and comprises a bottom plate, a positioning disc, a lever cylinder and a reference positioning rod, the positioning disc and the lever cylinder are respectively mounted on the bottom plate, a positioning plane is arranged at the upper end of the positioning disc, and a detachable positioning pin is mounted on the positioning plane. The two lever air cylinders keep synchronous linkage, pressing rods of the lever air cylinders are provided with abutting blocks, the reference positioning rod corresponds to the rear cover structure of the automobile air conditioner compressor and is also installed on the bottom plate at the same time, further, the bottom plate adopts the split design of the positioning bottom plate and the air cylinder bottom plate, and the positioning pin is detachably connected with the positioning disc. The adjustable bolt rod is selected as the abutting block, switching use can be conducted according to the structural difference of machine types, models and displacement of the rear cover of the automobile air conditioner compressor, high universality is achieved, meanwhile, clamping pressure is balanced, positioning precision is high, labor intensity is low, production cost can be reduced in production, product quality is guaranteed, and production efficiency is improved.

The utility model discloses a square support type workpiece vertical machining hydraulic clamp which can provide uniform clamping force, is high in workpiece positioning accuracy, can automatically clamp a workpiece, is high in repeated positioning speed, and improves machining quality and machining efficiency. The device comprises a supporting table, a positioning block and a positioning seat are installed on the two sides of the center position of the surface of an upper bottom plate of the supporting table, and the device is characterized in that a vertical pressing mechanism is arranged above the center of the distance between the positioning block and the positioning seat, and side edge clamping mechanisms are arranged on the outward sides of the positioning block and the positioning seat; the side plate clamping mechanisms are symmetrically distributed about the geometric center of the surface of the upper bottom plate.

The invention relates to the technical field of welding, and discloses a transformer supporting frame welding machine which comprises a base, a supporting mechanism and a fixing mechanism. The fixing mechanism comprises a rotating disc fixedly connected with the end of the main shaft, four telescopic sleeves perpendicular to one another are evenly distributed on the outer side of the rotating disc, telescopic rods are arranged at the ends of the telescopic sleeves, a back plate is arranged at the ends of the telescopic rods, supporting wheels with the positions changing in a floating mode are arranged on the two sides of the back plate, and sliding sleeves are slidably connected to the middles of the telescopic rods. The end, away from the rotary disc, of the bracket is fixedly connected with a pressing plate, and pressing wheels are arranged on the two sides of the pressing plate. Through cooperation of the pressing wheels and the supporting wheels, the to-be-welded channel steel is put into the welding machine and then adaptively moves to achieve the preliminary centering effect, self-adaptive centering treatment is achieved through the inclined faces of the ends of the to-be-welded channel steel, positioning treatment is achieved when the whole welding machine completes clamping, and the welding efficiency is improved. And the clamping speed of the welding machine is improved.

The utility model discloses a clamp convenient to install, which comprises a clamp table, through holes are formed in the left side surface and the right side surface of the clamp table, transmission blocks are arranged in the two through holes, two transmission seats are fixedly connected to the bottom surface of the clamp table, and driving motors are fixedly installed on the left side surface and the right side surface of each transmission seat. Transmission screws are fixedly mounted at the output ends of the two sets of driving motors, threaded rings are in threaded connection with the outer surfaces of the two sets of transmission screws, sliding blocks are fixedly connected with the outer surfaces of the two sets of threaded rings, and the outer surfaces of the sliding blocks are in sliding connection with the inner wall of the transmission seat; the side faces, close to each other, of the two sliding blocks are fixedly connected with the outer surfaces of two transmission blocks correspondingly, and positioning holes are formed in the side faces, close to each other, of the two transmission blocks correspondingly. According to the clamp convenient to mount, the effect of automatically clamping a mechanical part is achieved, and the mounting and clamping speed of the mechanical part in the clamp is increased.

The present invention provides a gear selection control block processing tool, comprising a bracket, on which a plurality of clamping assemblies are arranged, the clamping assemblies comprising a limit block, a cushion block and a fixed block, a central axis is arranged on one side of the limit block, the gear selection control block is sleeved on the central axis through a central hole, the cushion block is cushioned under a protrusion or a U-shaped positioning block, a limit portion is arranged on the side of the cushion block away from the limit block, a fixed block is arranged on the side of a main body away from the limit block, a driving device for driving the fixed block to approach or away from the main body is arranged on the fixed block, and a fixing device for preventing the gear selection control block from rotating along the central axis is arranged on the gear selection control block. The gear selection control block processing tool provided by the present invention adopts a fixed block and a limit block to cooperate to limit the gear selection control block from moving along the axis of the central axis, adopts a cylinder and a cushion block to cooperate to limit the gear selection control block from rotating along the central axis, thereby processing a gear selection corrugated groove on the gear selection protrusion, with fast clamping speed and high processing accuracy, which greatly improves production efficiency and product quality.

The utility model relates to the technical field of numerical control, in particular to a numerical control indexing tool which comprises a numerical control indexing head, a fixed base is fixedly installed on the front face of the numerical control indexing head, a machining head is fixedly installed on the front face of the fixed base, and a machining cavity is formed in the inner side of the machining head. A driving seat and a rotating seat are rotationally connected to the upper end and the lower end of the interior of the machining cavity correspondingly, connecting seats are slidably connected to the opposite ends of the driving seat and the rotating seat correspondingly, the two connecting seats are fixedly connected with the driving seat and the rotating seat through quick release assemblies correspondingly, and clamping blocks are slidably connected to the opposite ends of the two connecting seats correspondingly; compared with an existing numerical control dividing head elbow machining mode, the numerical control dividing head elbow machining tool has the advantages that the clamping speed of the machined elbow can be increased through the design, operation convenience is improved, and meanwhile the applicability of the tool is improved.

The utility model discloses a multifunctional clamping tool which comprises a pair of shells and a working face, tool bins are rotationally arranged in the shells respectively, a plurality of tool bodies are arranged in the tool bins, a pair of first fixing blocks are arranged on the tool bodies respectively, a plurality of second fixing blocks are arranged in the tool bins, and the first fixing blocks and the second fixing blocks are arranged on the working face. A spring is arranged in the second fixing block, a fixing ball body is arranged at one end of the spring, an arc-shaped groove is formed in the first fixing block, and the fixing ball body is movably arranged in the arc-shaped groove of the first fixing block. The first gear is driven to rotate, the second gear is driven to rotate, the annular rack is driven to rotate, then the tool bin is made to rotate, the tools can be rapidly replaced according to the shapes and sizes of the needed tools, then the machining efficiency of workpieces is improved, and meanwhile the application universality of the clamping tool is improved.

The utility model belongs to the technical field of palletizing robots, and discloses a movable high-position palletizing robot which comprises a base, an adjusting mechanism is arranged on the outer side of the base, and the adjusting mechanism extends into the base; the adjusting mechanism comprises a fixed lower arm, the fixed lower arm is fixedly connected to the top of the base, and a rotating frame is installed on the inner side of the top of the fixed lower arm. The two clamping plates in the two connecting plates are pulled, so that the clamping force of the four clamping plates on a box body can be located at relatively uniform positions, and then the two connecting plates move in opposite directions through cooperation with the auxiliary component, so that the box body needing to be stacked is clamped for use, and through the structure, the clamping speed is increased, and the clamping efficiency is improved. And the stability during clamping is enhanced.

The utility model relates to a simple ABS electromagnetic regulating valve sealing performance detection bench. The simple ABS electromagnetic regulating valve sealing performance detection bench comprises a clamping device and a detection device. The clamping device comprises an air inlet end plugging push rod and an air outlet end plugging push rod, an air inlet pipe is arranged on one side of the air inlet end plugging push rod, and an air outlet pipe is arranged on one side of the air outlet end plugging push rod; the detection device comprises a gas inlet end gas cylinder, a gas outlet end gas cylinder and a gas inlet and outlet pipe. A gas inlet end gas pipe is arranged on the gas inlet end gas cylinder, connected with a gas inlet pipe and connected with a gas inlet and outlet pipe through a connecting gas pipe, and a stop gas valve is arranged on the connecting gas pipe. A gas outlet end gas pipe is arranged on the gas outlet end gas cylinder and is connected with a gas outlet pipe; a gas inlet end gas pressure sensor is arranged on the gas inlet end gas cylinder; a gas outlet end gas pressure sensor is arranged on the gas outlet end gas cylinder; the two ends of the ABS electromagnetic regulating valve are clamped through the push rod, the air pressure at the two ends of the ABS electromagnetic regulating valve is detected through the air inlet end air pressure sensor and the air outlet end air pressure sensor respectively, the clamping speed is high, and the detection efficiency is high.

This utility model belongs to the field of fastener processing and discloses a fastener bending and forming system, including a conveying mechanism, a stamping die, a positioning mechanism, and a robot. The conveying mechanism feeds the fastener, and the robot transfers the fastener body from the conveying mechanism to the positioning mechanism. By specially designing the threads of the clamping holes, the depth of the clamping holes and the final tightening torque can align the starting position of the threads on the fastener body with the bending direction. The robot clamps the fastener quickly and can apply a stable final tightening torque, ensuring high reliability. Furthermore, the robot can disassemble the fastener body relative to the clamping plate, eliminating the need for manual intervention during assembly and disassembly. The stamping process of the stamping die does not threaten worker safety, resulting in high safety.

This invention discloses a gas turbine cylinder block machining positioning device, belonging to the field of machining clamping technology. The gas turbine cylinder block includes an outer cylinder, an inner cylinder, a star-shaped support, and a support ring. Multiple height-adjustable support mechanisms include support seats and movable supports. The movable supports are provided with normal positioning parts and tangential positioning parts. The top protection mechanism includes a guide plate, a first variable diameter plate, multiple sector plates, and multiple second positioning parts that can move synchronously radially. The guide plate is provided with multiple first straight grooves and second straight grooves. The first variable diameter plate is provided with multiple first arc-shaped grooves and connected to a second drive assembly. The multiple sector plates are stacked, and the sector plates are provided with first pins that cooperate with the first straight grooves and first arc-shaped grooves and second pins that cooperate with the second straight grooves. This invention uses height-adjustable support mechanisms to position the outer cylinder, resist shear force and axial force, and ensure support rigidity. It also cooperates with the top protection mechanism to make the axes of the support ring, outer cylinder, and inner cylinder collinear.

The invention discloses numerical control machine tool cutter automatic clamping equipment, and relates to the technical field of machining equipment.The numerical control machine tool cutter automatic clamping equipment comprises a cutter handle structure, a visual detection device and a screwing mechanism, the cutter handle structure comprises a cutter handle chuck and a pressing nut, and the pressing nut can rotate relative to the cutter handle chuck; the cutter handle chuck is tightened and is used for clamping a cutter; a first clamping part is arranged on the periphery of the pressing nut; the visual detection device is used for acquiring the rotating position of the first clamping part; the screwing mechanism comprises a first driving mechanism and a rotating part, the first driving mechanism is electrically connected with the visual detection device, the first driving mechanism is in transmission connection with the rotating part, and the rotating part is provided with a second clamping part; the first driving mechanism is used for driving the rotating part to rotate; and the second clamping part is clamped with the first clamping part. According to the technical scheme, manual operation is reduced, the clamping speed and precision are improved, meanwhile, the working intensity and the error rate of operators are reduced, and the tool clamping efficiency can be improved.

The invention discloses an auxiliary device for mutual inductor wiring, and belongs to the technical field of mutual inductor wiring. The auxiliary device comprises a base, a positioning rod, a lifting rod, a fixing assembly, an L-shaped pressing plate, a circular pressing plate, a crimping assembly and a cleaning belt. According to the invention, the L-shaped pressing plate is used for crimping a secondary side wiring copper plate, and the circular pressing plate is used for crimping a primary side wiring bolt; the wiring quality and safety are greatly improved; a gear and rack transmission and trapezoidal block slope jacking structure is adopted, the full-automatic process of ascending, rotating and pressing of the lifting rod is achieved, dust, oxide layers and other impurities on the upper surface of a wiring copper plate and the lower surface of an L-shaped pressing plate can be cleaned through automatic circulating rotation of a cleaning belt, and the verification precision of a mutual inductor is effectively improved; the problem that in a traditional wiring mode, due to poor wiring contact, verification errors are generated by the mutual inductor is solved.

The utility model discloses a clamping tool for processing a laminated board, which comprises a base erected on the ground, and further comprises a supporting mechanism used for forming an adjustable main body part of the clamping tool, a lifting mechanism used for providing lifting support for the laminated board, and a clamping mechanism used for clamping and positioning the laminated board, the supporting mechanism is arranged at the upper end of the base, the lifting mechanism is assembled on the upper portion of the supporting mechanism, and the clamping mechanism is arranged at the upper end of the supporting mechanism. And the lifting mechanism is arranged to be matched with the clamping mechanism, the bottom of the laminated wood board can be lifted and supported while the two ends of the laminated wood board are clamped and positioned, the clamping stability is high, the clamping speed is high, and the machining progress can be effectively accelerated.

The invention provides a special-shaped plate-shaped part clamping device. The special-shaped plate-shaped part clamping device comprises a base, a valve body and a clamping rod. The base is provided with upper channels and lower channels in the normal direction, the tail ends of the upper channels are communicated with the tail ends of the lower channels, the front ends of the upper channels are communicated with sliding grooves, at least four sets of upper channels, lower channels and sliding grooves are arranged in a circumferential array mode, a counter bore is formed in the middle of the bottom face of the base, and the lower channels are all communicated with the counter bore. The valve body is rotationally arranged in the counter bore, at least four through holes are formed in the valve body in a circumferential array mode, all the through holes are communicated with one another, a connecting pipe communicated with the through holes is arranged on the bottom face of the valve body, and the connecting pipe is connected with a hydraulic station. The number of the clamping rods is consistent with that of the sliding grooves, the lower ends of the clamping rods are arranged in the sliding grooves in a sliding mode, ejector rods are arranged at the lower ends of the clamping rods and penetrate through the upper channels corresponding to the sliding grooves, the outer walls of the ejector rods are connected with the inner walls of the upper channels in a sealed mode, and protruding blocks are arranged on the outer sides of the top faces of the clamping rods. The special-shaped part clamping device can adapt to clamping of various special-shaped parts and has high disassembling and assembling efficiency.

The utility model discloses a vertical band sawing machine die steel clamping tool relates to die steel processing technical field. This vertical band sawing machine die steel clamping tool, including base and clamping mechanism, clamping mechanism sets up on base, and clamping mechanism includes movable seat, insertion hole, sliding slot, insertion rod, sliding block and L type board, and the top of base is placed with movable seat, and the top of base is provided with at least two groups's insertion hole, and the top of base still is provided with two groups's sliding slot, and the bottom of movable seat is provided with four groups's insertion rod and evenly distributes in movable seat bottom's four corners. This vertical band sawing machine die steel clamping tool, through clamping mechanism, when die steel size changes, can lift movable seat and slide on base quickly, drive clamping plate quick coarse positioning to approach die steel with maximum limit, and the rest gap is through rotating threaded rod and drive clamping plate fine positioning to die steel clamping, and the operation threaded rod time is short, and the overall clamping speed is fast.

This application provides a clamping device for irregularly shaped plate-like parts, including: a base, a valve body, and clamping rods. The base has an upper channel and a lower channel along the normal direction, with the ends of the upper and lower channels connected. The front end of the upper channel is connected to a sliding groove. At least four sets of upper channels, lower channels, and sliding grooves are arranged in a circumferential array. A countersunk hole is formed in the middle of the bottom surface of the base, and all lower channels are connected to the countersunk hole. The valve body is rotatably mounted within the countersunk hole. The valve body has at least four through holes arranged in a circumferential array, all of which are interconnected. A connecting pipe is provided on the bottom surface of the valve body, communicating with the through holes, and the connecting pipe is connected to a hydraulic station. The number of clamping rods is the same as the number of sliding grooves. The lower end of the clamping rod slides within the sliding groove. A push rod is provided at the lower end of the clamping rod, passing through the upper channel corresponding to the sliding groove. The outer wall of the push rod is sealed to the inner wall of the upper channel. A protrusion is provided on the outer side of the top surface of the clamping rod. This solution can adapt to the clamping of various irregularly shaped parts and has high assembly and disassembly efficiency.

The utility model relates to the technical field of cable tension testing, in particular to a cable tension testing device which comprises a supporting frame, a first clamping mechanism, a tension meter fixedly connected with the first clamping mechanism and a second clamping mechanism movably arranged on the inner side of the supporting frame through a linear driving mechanism. The linear driving mechanism is used for driving the second clamping mechanism to move towards the side close to or away from the first clamping mechanism, and the first clamping mechanism and the second clamping mechanism are the same in structure. Each of the first clamping mechanism and the second clamping mechanism comprises a fixing seat, two clamping plates arranged on the two sides of the fixing seat respectively and a linear adjusting module used for driving the clamping plates to move towards the side close to or away from the fixing seat, and a receding through hole allowing a cable to penetrate is formed in the bottom end of the fixing seat in a penetrating mode; the clamping stability and the clamping speed are improved, the cable is prevented from being separated from the first clamping mechanism or the second clamping mechanism, and then the working efficiency is improved.

This utility model relates to the field of mold technology, specifically disclosing a mold with an internal clamping structure. The mold comprises a lower mold plate, multiple slider structures disposed on the lower mold plate, an internal clamping structure disposed on the lower mold plate, and a reset structure for resetting the internal clamping structure. All the slider structures together form a molding cavity. When the slider structures slide to close the mold, one end of the internal clamping structure is pressed down, so that the other end of the internal clamping structure abuts against the inner wall of the bottle to be covered. When the slider structures slide to open the mold, the reset structure moves the internal clamping structure away from the inner wall of the bottle. This utility model can achieve internal clamping of the bottle during mold closing, ensuring the bottle remains stable during the glue injection process, while not affecting the glue injection effect on the bottle body.

The utility model discloses an inclined clamping device for valve body machining, which comprises a fixed bottom plate, two triangular supporting blocks are fixed in the middle of the top surface of the fixed bottom plate through bolts, and an inclined connecting plate is fixedly connected to the inclined extending top surfaces of the two triangular supporting blocks through a plurality of bolts; a top connecting plate perpendicular to the inclined connecting plate is fixedly connected to the top end of the inclined connecting plate through a plurality of bolts, a plurality of circular blocks are fixedly connected to the bottom face of the top connecting plate through bolts, and supporting blocks are fixed to the front wall face of the bottom of the inclined connecting plate below the circular blocks correspondingly. A push-pull type quick clamp is fixed to the supporting block, and the end of a push rod of the quick clamp faces the middle of the corresponding circular block. The quick clamp is adopted for clamping, operation is convenient, the clamping speed is high, meanwhile, the fixed bottom plate, the inclined connecting plate and other components can be detached, when the quick clamp is not used, the components can be placed after being detached, occupied space is reduced, and management is convenient.

The utility model discloses a welding gun welding nozzle installation coaxiality detector which comprises a lower support, a carrier plate, a third guide rod, a tension spring, a transmission rod, a bearing seat, a ball bearing, a clamp, a test sleeve, an upper support, a movable pressing mechanism and a fixed pressing mechanism. According to the device, the electric push rod pushes the first pressing block to move leftwards, a welding gun body is very conveniently pressed and fixed between the first pressing block and the second pressing block, it can be guaranteed that the welding gun body and the testing sleeve are in a coaxial state after the welding gun body is pressed and fixed, and a welding nozzle is embedded into the testing sleeve in the mode that the upper support is manually pressed downwards; the detector has the advantage of being convenient to operate, meanwhile, the combination of the transmission rod, the clamp and the test sleeve is rotated through the hand wheel, the welding nozzle can enter the test sleeve more easily when the test sleeve rotates, and therefore the detector is high in clamping speed and high in detection accuracy.

The utility model discloses a composite clamp for processing a box-shaped product, which comprises a mounting mechanism, a pushing device is arranged at the upper part of the mounting mechanism, and a pushing device and a positioning block are arranged at the lower part of the mounting mechanism; an inner supporting mechanism is arranged in the mounting mechanism, the inner supporting mechanism comprises a plurality of inner supporting blocks, the inner supporting blocks are mounted on a fixed seat on the same plane through a sliding fit structure to form a structure capable of sliding inside and outside, a pressing hole is formed in the central part defined by the inner supporting blocks, and the pressing hole is of a conical structure; a pressing head is arranged in the pressing hole and connected with a downward pressing air cylinder. The periphery of the upper portion of a workpiece can be pushed towards the middle through an air cylinder, the lower portion of the workpiece is pushed, pressed and corrected through an air cylinder matched with a positioning block, and the inner supporting block is supported outwards till the standard size is just attached to a product. Therefore, the stability, the clamping speed, the operation convenience and the machining precision of a clamped product can be improved, cutter vibration cannot occur in the machining process, the cutter can be better protected, and cutter abrasion is reduced.

The utility model belongs to the technical field of machining, and particularly relates to a novel mechanical tee joint machining device which comprises a fixing frame, a rotating disc is rotatably arranged on the left side wall of the fixing frame, a rotating cylinder is fixedly connected to the front side wall of the rotating disc, and three through holes which are annularly and evenly distributed are formed in the outer side wall of the rotating cylinder. A rotating shaft is movably inserted into the inner wall of the through hole, the end of the rotating shaft is fixedly connected with a bevel gear located in the rotating cylinder, and a fluted disc located on the front side of the bevel gear is rotationally arranged on the inner wall of the rotating cylinder. According to the clamping device, the chuck reverse claw is used for clamping the mechanical three-way piece casting outwards from the inner diameter position of the mechanical three-way piece casting, the jacking disc automatically aligns to the rotating center of the casting, tool machining is facilitated, the size precision of a machined piece is greatly improved, and meanwhile the clamping speed of clamping equipment is greatly increased.

The utility model relates to a pressure welding clamp, in particular to a DIP packaging gold wire pressure welding matrix clamp. Comprising a base, and a plurality of mounting grooves evenly distributed in the width direction of the base are formed in the upper surface of the base; a pull rod is installed on the base in the width direction of the base in a sliding mode, a gear block is arranged at one end of the pull rod, and a reset piece is arranged between the gear block and the base. Pull blocks are arranged at the other ends of the pull rods; a strip-shaped through hole is formed in one side of the mounting groove, a positioning plate is arranged in the strip-shaped through hole, and the positioning plate is connected with the pull rod; and a clamping area is formed between the side wall of the positioning plate and the side wall of the mounting groove. Compared with an existing clamp in which a fastening block is driven by a threaded rod to slide in a mounting groove so as to clamp a substrate, the clamping speed is higher, and the bonding efficiency of the bonding machine can be improved.

The invention relates to the technical field of spacecraft structural part machining, in particular to a spacecraft structural part rapid clamping tool which comprises a bearing component, a clamping component and a material supporting component, the bearing component comprises a bearing disc, a sliding groove is formed in the inner side of the bearing disc, a supporting seat is arranged on the inner side of the bearing disc, and a clamping groove is formed in the clamping component; the clamping component comprises a first supporting strip, a clamping component is arranged on the upper side of the first supporting strip, a first mounting plate is arranged at one end of the outer side of the first supporting strip, and a second mounting plate is arranged at the other end of the outer side of the first supporting strip; and a screw rod is mounted on the side, corresponding to the first mounting plate, of the second mounting plate. According to the clamping device, the clamping component rotates on the inner side of the bearing disc, the fixing angle of the clamping component is adjusted, clamping operation of spacecraft structural parts of different shapes can be adapted, the stability of the clamping operation is improved, the clamping component is driven by the lead screw to slide on the upper side of the first supporting strip for clamping operation, and the clamping speed is increased.

The utility model relates to the technical field of laser cutting equipment, and provides a clamp for a laser cutting machine, which comprises a supporting seat, two mounting plates, two clamping mechanisms, two clamping frames, an adjusting mechanism, a bearing disc and a moving component, the two mounting plates are fixedly connected onto the supporting seat, the clamping mechanisms are mounted on the supporting seat, the two clamping frames are connected onto the supporting seat in a sliding manner, and the moving component is arranged on the supporting seat. The adjusting mechanism is installed at the bottom end of the supporting base, the bearing disc is rotationally connected to the supporting base, and the moving assembly is installed at the bottom end of the supporting base. By means of the technical scheme, the problems that in the prior art, when a laser cutting machine conducts cutting machining, a matched clamp needs to be used, a workpiece needing to be cut is clamped, and cutting errors are prevented from being caused by movement of the workpiece are solved, but when the clamp of the laser cutting machine conducts clamping on a metal workpiece in an irregular shape, the clamp cannot clamp the metal workpiece in the irregular shape. And the problem that the cutting efficiency of the laser cutting machine is reduced due to the fact that the workpiece needs to be adjusted to the direction beneficial to clamping when the workpiece needs to be clamped is solved.

The utility model discloses a maintenance support and a bicycle maintenance device, belongs to the field of bicycle maintenance devices, solves the problem that an existing maintenance device is tedious in adjustment of a bicycle body, and adopts the technical scheme that the maintenance support comprises a base, a stand column, a sleeve and a clamping assembly, the sleeve is used for being connected to the outer side of a target piece in a sleeving mode and supporting the target piece, the sleeve is installed on the stand column, one end of the sleeve is provided with an opening so that at least part of the structure of the target piece can stretch into the sleeve through the opening of the sleeve, and the clamping assembly is used for clamping the target piece and installed on the sleeve and comprises a driving shaft, an upper clamping block and a lower clamping block. The driving shaft is used for driving the upper clamping block and the lower clamping block to be close to or away from each other, a notch is formed in the side wall of the sleeve, and the upper clamping block and the lower clamping block are arranged at the notch so that the upper clamping block and the lower clamping block can penetrate through the notch to clamp a target piece. The utility model is mainly used for enabling the adjustment of the vehicle body to be more convenient and quicker.

The present invention relates to the field of welding technology, and discloses a transformer support frame welding machine, including a base, a supporting mechanism and a fixing mechanism; the fixing mechanism includes a turntable fixedly connected to the end of the main shaft, four telescopic sleeves arranged perpendicular to each other are evenly distributed on the outer side of the turntable, a telescopic rod is arranged at the end of the telescopic rod, a back plate is arranged at the end of the telescopic rod, and support wheels with floating positions are arranged on both sides of the back plate, a sliding sleeve is slidably connected to the middle of the telescopic rod, the sliding sleeve is fixedly connected to a bracket, and a pressure plate is fixedly connected to one end of the bracket away from the turntable, and pressure wheels are arranged on both sides of the pressure plate. The present invention achieves the effect of initial centering by adaptive movement after the channel steel to be welded is placed in the welding machine through the cooperation of the pressure wheel and the supporting wheel, and realizes the process of adaptive centering by relying on the inclined surface of the end of the channel steel to be welded, so that the whole welding machine realizes the positioning process when the clamping is completed, and the clamping speed of the welding machine is improved.