550 results about "Changing equipment" patented technology

The invention relates to the technical field of engineering machinery manufacturing, in particular to an excavator part machining treatment device which comprises a fixing base, a support is fixedly connected to the fixing base, a driving mechanical arm capable of driving horizontal two-dimensional motion is installed at the top of the inner side of the support, and a sliding disc is fixedly connected to the lower end of the driving mechanical arm. The bottom face of the sliding disc is fixedly connected with a driving cylinder, and the lower end of the driving cylinder is fixedly connected with an inverted-U-shaped frame. According to the excavator part machining treatment device, three core procedures of drilling, inner wall grinding and end face grinding are integrated, through cooperative control of the driving mechanical arm, the driving air cylinder and the motor, full-process part machining can be completed without equipment replacement or repeated clamping, the part transferring and positioning time is effectively shortened, and the machining efficiency is improved. The problem that traditional step-by-step machining is low in efficiency is solved, and the machining efficiency is improved.

The utility model discloses a vertical machining center tool changing mechanism, which relates to the technical field of tool changing equipment and comprises a shell, the shell is arranged between a tool magazine and a machining shaft, an air cylinder is fixedly connected to the top end in the shell, a supporting mechanism is arranged at the output end of the air cylinder, a rotating mechanism is arranged on the supporting mechanism, and a clamping mechanism is arranged at the lower end of the rotating mechanism. The clamping mechanism comprises a clamping supporting frame, a rotating block is rotationally connected into the clamping supporting frame, telescopic rods are fixed to the two sides of the rotating block, the telescopic rods are rotationally connected with connecting rods, the connecting rods are slidably connected with limiting blocks, and clamping hands are fixed to the two ends of the clamping supporting frame. The tool changing device has the beneficial effects that through the arrangement of the clamping mechanism, a limiting block does not contract in the clockwise rotation process of the clamping mechanism, limiting on a tool is kept, after tool changing is completed, the clamping mechanism rotates anticlockwise to enable the limiting block to contract, limiting on the clamping mechanism is finished, and therefore the clamping effect is better in the tool changing process; and the risk that the cutter falls off is reduced.

The invention relates to the technical field of flange plate machining, and discloses a multi-shaft drilling device for hot blast stove flange plate machining, which comprises a workbench, a first sliding opening is formed in the upper surface of the workbench, and a frame body is fixedly connected to the position, located on one side of the first sliding opening, of the upper surface of the workbench; the frame body is sequentially provided with a point knocking assembly for conducting pre-point knocking on a flange plate, a drilling assembly for conducting drilling operation on the flange plate and a chamfering assembly for conducting chamfering on a hole after drilling of the flange plate is completed from right to left, and the inner sides of supporting legs of the workbench are fixedly connected with a liquid collecting box for collecting cutting liquid. According to the drilling and chamfering device, a groove can be formed in the surface of a flange plate in a knocking mode before the flange plate is punched, the accuracy of punching and positioning is guaranteed, the three steps of pre-knocking, drilling and chamfering of the flange plate can be sequentially completed on the same device when the flange plate is machined, manual carrying or equipment replacement is not needed, and the machining period is greatly shortened.

The utility model provides a replacement system. The replacing system is used for replacing or maintaining a to-be-maintained device of the wind generating set, the to-be-maintained device comprises to-be-maintained equipment assembled on a rack of the wind generating set, the replacing system comprises a hoisting device and a winding device, the hoisting device is detachably connected to the rack and comprises a hoisting component used for being connected with the to-be-maintained equipment, and the hoisting component is detachably connected to the rack. The hoisting component is connected with the winding device through a rope; the first supporting frame and the to-be-maintained equipment are arranged on the same side of the tower drum, and the first supporting frame is used for placing the to-be-maintained equipment and / or to-be-replaced equipment; and the second supporting frame and the first supporting frame are oppositely arranged on the other side of the tower drum, and the winding device is installed on the second supporting frame. The replacement system comprises a plurality of parts which are arranged in a scattered mode to work cooperatively, and compared with large professional hoisting equipment adopted in the prior art, the hoisting difficulty is lowered, and the replacement cost is saved.

The invention relates to the technical field of wear resistance testing, in particular to a wear resistance testing device for a wear-resistant coating, which comprises a testing box, a mounting groove is formed in the top of the testing box, a protective cover is hinged to the top of the mounting groove, and a reciprocating rotating mechanism for a rotating friction test and a reciprocating friction test is arranged on the right side of the top of the mounting groove. A swing impact mechanism used for swing impact friction is arranged on the left side of the top of the mounting groove, supporting legs are fixedly connected to the four corners of the bottom of the test box correspondingly, and a control panel is fixedly mounted on the left side of the top of the test box. According to the device, reciprocating rotary friction testing and reciprocating linear friction testing are carried out on coatings of a plurality of substrates at the same time, the abrasion resistance of the coatings in different friction states can be tested, the detection accuracy is improved, reciprocating rolling friction testing and impact testing on the coatings are achieved through the swing impact mechanism, and the testing efficiency is improved. The wear resistance of the coating in various environments can be conveniently simulated, the detection can be performed without replacing equipment, and the test efficiency is high.

The invention belongs to the technical field of welding, and discloses a contact tube feeding mechanism, a contact tube dismounting and feeding device and a contact tube replacing device.The contact tube feeding mechanism comprises a frame body, a contact tube clip, an ejector rod, a shifting block assembly, a transmission assembly and a feeding driver; a plurality of containing cavities which are sequentially arranged in the extension direction of the contact tube clip are formed in the contact tube clip, the feeding driver is used for driving the ejector rod to reciprocate in the extension direction of the ejector rod, and the ejector rod can enter the containing cavities through the lower opening in the moving process and eject the contact tubes in the containing cavities out of the upper opening; in addition, the feeding driver is further used for driving the shifting block assembly to reciprocate in the extension direction of the contact tube clips through the transmission assembly, and in the moving process of the shifting block assembly, the contact tube clips can move together or the shifting block assembly can move independently. Every time the feeding driver operates, the feeding operation of the contact tube clip and the feeding operation of the contact tube can be completed, the operation efficiency is high, the cost is lower, and the structure is more compact.

The utility model discloses a bridge cable crawling detection device, and relates to the technical field of bridge cable detection. The bridge cable creeping detection device comprises two sets of creeping shells and an adjusting assembly, the two sets of creeping shells are oppositely arranged, the adjusting assembly is located on the creeping shells, the adjusting assembly comprises clamping plates, a miniature fixing frame, damage detection equipment, a damper and a spring, and the two sets of clamping plates are arranged in the creeping shells and are oppositely arranged up and down; the clamping plate is fixedly connected with two sets of miniature fixing frames which are arranged front and back, and damage detection equipment is fixedly connected between the adjacent miniature fixing frames. By adjusting the damage detection equipment, the damage detection equipment can adapt to cables with different diameters, and the contact between the equipment and the cables can be ensured to be tighter, so that the detection precision and accuracy are improved, the time and the cost for replacing the equipment are reduced, and the detection efficiency is improved.

The utility model provides replacement equipment. The replacement equipment comprises two frame bodies arranged side by side, each frame body comprises a stand column, a first cantilever beam and a second cantilever beam, the stand columns are arranged in the height direction and detachably connected to the top of a supporting structure used for installing to-be-maintained equipment, and the first cantilever beams and the second cantilever beams are arranged in the length direction and detachably connected to the top of the supporting structure; the two sides of the stand column are connected in the length direction; the transverse rail is arranged in the width direction, and the two ends of the transverse rail are connected with the two first cantilever beams respectively; the first pulley assembly is arranged on the transverse rail in a sliding mode and used for being connected with equipment to be maintained; one end of the second pulley assembly is slidably arranged on the first cantilever beam along the height direction, and the other end is fixedly connected with the cross rail; and a counter weight matched with the weight of to-be-maintained equipment can be hung on the second cantilever beam. And by arranging the frame body structure of the replacement equipment, the hoisting difficulty is reduced, and the replacement cost is saved.

The utility model provides a transverse moving track mechanism and a transverse moving roller changing device, and relates to the technical field of roller changing equipment. The transverse moving track mechanism comprises a first transverse moving track and a second transverse moving track which are arranged at an interval; the rotary transverse moving track is arranged between the first transverse moving track and the second transverse moving track; the rotary transverse moving track is controllably connected with the first transverse moving track and the second transverse moving track; and the track supporting structure is arranged between the first transverse moving track and the second transverse moving track, and when the rotary transverse moving track is in the state that the first transverse moving track and the second transverse moving track are connected, the track supporting structure can support the rotary transverse moving track. According to the transverse moving track mechanism, deflection deformation borne by the rotary transverse moving track can be reduced, so that the rotary transverse moving track can be better connected with the first transverse moving track and the second transverse moving track, and the operation stability of the transverse moving carrier roller device is improved.

The invention discloses a distributed driving pipeline detection robot, and relates to the technical field of pipeline detection robots, the distributed driving pipeline detection robot comprises a robot body, and the robot body is provided with a moving assembly and an auxiliary supporting assembly; the moving assembly comprises a first frame, a plurality of crawler belts are arranged on the first frame, and a plurality of hydraulic rods are arranged on the first frame; the auxiliary supporting assembly comprises a second frame, first hinge seats are symmetrically mounted at the bottom of the second frame, second connecting rods are rotationally connected to the first hinge seats on the two sides, second hinge seats are symmetrically mounted on the two sides of the mounting seat, electric telescopic rods are rotationally connected to the interiors of the second hinge seats on the two sides, and a driving part is mounted at the bottom of the second frame. Through the double structural design of the triangularly-distributed crawler belt and the self-adaptive auxiliary support, the adaptive capacity to different pipeline environments is greatly improved, the robot can adapt to pipelines with different diameters, detection of the pipelines with different specifications can be completed without replacing equipment, and the equipment investment cost is reduced.

The invention relates to the technical field of mutual inductor production equipment, and discloses a multi-specification mutual inductor coil winding machine which comprises a workbench, a winding mechanism and a fixing part, the winding mechanism and the fixing part are both arranged on the workbench, and the fixing part comprises a switching assembly for switching working states and a clamping part for clamping different coils. By integrating the switching assembly, the clamping piece and the belt driving system, compatibility of various shapes of coils such as rectangular, annular, horseshoe-shaped and semi-annular coils can be achieved, winding work of the coils of different shapes can be completed without replacing equipment, the equipment acquisition cost and management difficulty of enterprises are remarkably reduced, the production flexibility is improved, and the production efficiency is improved. The transmission belt wheels and the wrapping belt wheels which are symmetrically arranged on the two sides of the containing plate are matched with the driving piece and the adjusting piece, the distance between the wrapping belt wheels and the belt tension degree can be automatically adjusted according to the side length of the rectangular coil, it is ensured that the coil is evenly stressed in the rotating process, and the winding uniformity and stability are effectively improved.

The utility model discloses a switching tool for machining a large shaft workpiece. The switching tool is provided with a machine end flange plate, a connecting part and a shaft end flange plate which are sequentially connected together in the axial direction. A plurality of screw holes corresponding to a connecting plate on a machine tool are formed in the machine end flange plate; the shaft end flange plate is provided with a plurality of kidney-shaped holes which are distributed in a radial mode. In the machining switching operation of the shaft workpiece, the machine end flange plate of the switching tool is assembled with a connecting plate on a corresponding machine tool through a plurality of first bolts installed in the screw holes in a penetrating mode, and the shaft end flange plate of the switching tool is assembled with the shaft end of the shaft workpiece through a plurality of second bolts installed in the kidney-shaped holes in a penetrating mode. Quick connection is achieved when the size of a workpiece screw hole is inconsistent with that of a machine tool installation screw hole, the workpiece screw hole does not need to be machined again or equipment does not need to be replaced, the connection requirements of workpieces of different sizes can be met, operation is easy, time and labor are saved, and production efficiency is greatly improved.

The utility model provides a track type roll changing system and a rolling mill system, and relates to the technical field of roll changing equipment, the track type roll changing system comprises a transverse moving roll changing device, the transverse moving roll changing device comprises a transverse moving track mechanism and a transverse moving carrier roller device, and the transverse moving carrier roller device is movably arranged on the transverse moving track mechanism; the rail roll changing device comprises a roll changing rail mechanism, a rolling mill roll feeding device and a roll feeding driving device, the roll changing rail mechanism and the transverse moving rail mechanism are arranged in an intersecting mode, and the rolling mill roll feeding device is movably arranged on the roll changing rail mechanism. And the roll feeding driving device is connected with the rolling mill roll feeding device and is used for pushing the rolling mill roll feeding device to move along the roll changing track mechanism. According to the rail type roll changing system, the roll changing efficiency can be improved, and the utilization rate of roll changing equipment can be improved.

The utility model relates to an emergency sealing combination device which comprises framework oil seals, bowl-shaped seals, a sealing shell, a liquid level sensor and a pneumatic control box, the framework oil seals and the bowl-shaped seals are installed on a transmission shaft in a groove of the sealing shell, the lip direction of the framework oil seals faces the medium direction, the liquid level sensor is connected with the pneumatic control box, and the pneumatic control box is connected with the bowl-shaped seals. The pneumatic control box is communicated with the inflation cavity above the bowl-shaped seal, and the pneumatic control box is inflated to enable the bowl-shaped seal to deform and be attached to the transmission shaft. According to the emergency sealing combination device, an external medium can be blocked in time after an outer framework oil seal fails, meanwhile, the transmission shaft can still rotate, it is guaranteed that large equipment can still operate normally within a certain period of time, and the large equipment can be effectively managed and controlled. According to the emergency sealing device, leakage accidents can be effectively prevented, and multi-aspect high cost losses caused by emergency shutdown maintenance and equipment replacement cycle are greatly avoided.

The invention relates to the technical field of door and window manufacturing, in particular to an energy-saving door and window continuous intelligent assembly production line which comprises a bottom frame, a supporting frame, a supporting frame, two sets of supporting devices and a push rod. A through groove is formed in the center area of the bottom frame in the direction of the main extension face of the bottom frame, two movable grooves are formed in the two sides of the through groove in a mirror image mode, the supporting frame is arranged in the middle of the upper surface of the bottom frame, and the inner open area of the supporting frame corresponds to the through groove below in position. The two supporting devices are arranged at the two ends of the supporting frame correspondingly, and the push rod is slidably arranged on the bottom face of the bottom frame. According to the production line, through the integrated structural design of the bottom frame, the supporting frame, the supporting frame and the supporting device, seamless connection with the door and window conveying process can be achieved, and manual transferring or intermittent working procedure switching is not needed; during operation, the first bottom plate is driven to ascend and descend only through the second electric push rod, bearing and separation of the door and window frame can be completed, and equipment assemblies do not need to be disassembled or replaced.

A mold replacement apparatus and replacement method. The mold replacement apparatus comprises a carrying trolley (100), a translation and ascending and descending device (200), a mold storage platform (300), and a mold transfer device (400). The carrying trolley (100) is configured to reciprocate between a mold storage position and a mold operating position. The translation and ascending and descending device (200) is provided on the carrying trolley (100), and is used for moving a mold in at least one of a first direction and a second direction. The mold storage platform (300) is fixedly connected to the carrying trolley (100) and arranged below the translation and ascending and descending device (200), and is used for bearing a mold. The mold transfer device (400) is arranged below the mold storage platform (300), and is used for jacking a mold on the mold storage platform (300) in the second direction and transferring the mold in the first direction.

The application belongs to the technical field of workpiece transfer assemblies, in particular to a variable-distance module mechanical hand with automatic cleaning function, which comprises a mounting body and a cylinder, a horizontal guide rail is mounted on the mounting body, a plurality of sliding blocks are slidingly arranged on the horizontal guide rail, a fixed block is fixedly arranged at one end of the horizontal guide rail, a mounting frame is mounted on each sliding block and fixed block, adjacent two mounting frames are connected through a connecting body, the connecting body is slidingly arranged relative to the mounting frame and a limiting structure is arranged on the mounting frame, a gas pipe fixing seat is fixedly mounted on each mounting frame, a suction passage and a blowing passage are arranged on the gas pipe fixing seat, the suction passage is communicated with a suction structure and the blowing passage is connected with a blowing structure; the cylinder is mounted on the mounting body and the output end is provided with a fixed body, the fixed body is connected with the corresponding mounting frame through the connecting body and the fixed body and the connecting body are slidingly matched, thereby solving the problem that the workpiece surface is left with oil stains / water stains, which requires timely replacement of the equipment assembly.

The invention relates to the technical field of cooling fin machining, and discloses a corner cutting device for cooling fin machining, which comprises a frame body, the top of the frame body is provided with a transfer positioning module for fixing, angle adjusting, angle positioning and station transferring of a cooling fin main body, and a cutting module arranged in the frame body is arranged below the transfer positioning module. The cutting module is used for carrying out corner cutting operation on a cooling fin main body, a discharging module arranged on the frame body is arranged on one side of the cutting module, and the discharging module is used for directionally discharging waste materials. The full-automatic continuous operation from workpiece fixing, multi-angle cutting to waste collecting is achieved, the waiting time between procedures and the manual intervention cost are effectively reduced, and the overall efficiency and precision stability of cooling fin corner cutting machining are remarkably improved.

The utility model relates to the field of cutting and cutting equipment, and discloses cutting and cutting equipment for producing a fence netting, which comprises an operation table, a fixed plate fixed in the middle of the top of the operation table, a through hole formed in one side of the fixed plate, a first gear rotationally connected to the side wall of the fixed plate, and a rotating shaft rotationally connected to the side wall of the fixed plate. A rotating shaft is arranged on the fixing plate, one end of the rotating shaft is sleeved with a second gear, the second gear is meshed with the first gear, a rotating mechanism used for rotating the second gear is arranged on the side wall of the fixing plate, a cutting mechanism used for cutting a fence net is arranged on the side wall of the fixing plate, and a conveying mechanism used for conveying the fence net is arranged on one side of the top of the operation table. According to the guardrail net cutting device, the guardrail net can be cut and cut, manual cutting is not needed, more time is saved, the working efficiency is improved, the rotating speed of the second gear is changed through the rotating mechanism, guardrail nets of different sizes can be accurately cut through cooperation with the cutting mechanism, equipment does not need to be replaced, and the production cost is reduced.

The utility model relates to the technical field of road and bridge engineering construction, and discloses a tamping device for road and bridge engineering construction, which comprises a bottom plate, chassis are fixedly mounted at two ends of the bottom of the bottom plate, a connecting plate is fixedly mounted at one end of the top of the bottom plate, a frame rod is arranged at the top of the bottom plate, and an extension rod is arranged on one side of the frame rod. The top of the bottom plate is in threaded connection with an extension frame, and a roller is arranged on the inner wall of the bottom plate. According to the tamping device for road and bridge engineering construction, through the arrangement of the roller, the device not only has a tamping function, but also has a leveling function, multiple functions of the device are achieved, after tamping is completed, leveling operation can be conducted on land immediately, the device does not need to be replaced or other leveling devices do not need to be waited for, and therefore continuous operation is achieved; the construction efficiency is improved, and the land can be further leveled in the rolling process of the rollers, so that the ground is smoother and more uniform.

The invention relates to integrated equipment for small-section tunnel construction. The integrated equipment comprises a rack, and a crawler system is arranged at the bottom of the rack; a guniting mechanical arm, an arch frame mounting mechanical arm and a drilling mechanical arm are arranged at the top of the rack, and the arch frame mounting mechanical arms and the drilling mechanical arms are arranged on the two transverse sides of the rack; a longitudinally-arranged conveying belt is arranged below the machine frame, and an excavator arm is arranged at the longitudinal end of the machine frame and corresponds to one end of the conveying belt. Various mechanical devices used in tunnel excavation and supporting procedures are integrated, mechanical construction of all the tunnel excavation and supporting procedures can be completed, the main functions of drilling, auxiliary charging, slag scraping and loading, danger and defect clearing, arch frame installation, anchor rod construction, concrete spraying and the like are achieved, the types and the number of construction machines are greatly reduced, and the construction efficiency is improved. And the number of operators in the tunnel is reduced, the operation time for replacing equipment and assembling and disassembling a power supply, a water pipe and an air pipe is saved, the construction efficiency is improved, and the advantages in small-section tunnel construction are particularly obvious.

The utility model discloses a valve limit switch which comprises a valve limit switch body, a cavity is formed in the upper portion of the valve limit switch body, a movable plate is connected to the inner wall of the top of the cavity formed in the upper portion of the valve limit switch body in a sliding mode, and a first extrusion plate is welded to the surface of the bottom of the movable plate. A first pressing rod penetrating through and extending to the exterior of the valve limiting switch body is welded to one side of the first extrusion plate, a groove is formed in the inner wall of one side of a cavity formed in the upper portion of the valve limiting switch body, and a limiting block is slidably connected into the groove; a second extrusion block is arranged at a groove formed in the side, provided with the cavity, of the upper portion of the valve limiting switch body. According to the valve limit switch, the pressing rod, the extrusion plate, the limit block and the like are arranged, so that the purpose of disconnecting a circuit of the valve limit switch body can be achieved, and the safety of an operator during maintenance or equipment replacement is ensured.

The utility model discloses a quick release type cloth cutting device which comprises a machine frame and a conveying roller installed on the machine frame, the conveying roller is connected with a driving motor on the machine frame, the quick release type cloth cutting device further comprises placing openings symmetrically formed in the machine frame, an installation rod used for loading a cutting knife is arranged on the machine frame, clamping grooves are formed in the two ends of the installation rod, and the clamping grooves are connected with the conveying roller. And when the mounting rods are located in the corresponding placing openings, the mounting rods are locked through the limiting pieces. According to the utility model, through the accurate matching of the clamping groove and the arc-shaped bulge, the quick locking structure of the hinged arc-shaped plate and the magnetic buckle, and the automatic butt joint design of the inserting sleeve driven by the electric track, the complex operations of traditional bolt fixation and manual push-pull positioning are abandoned, and the primary positioning and secondary butt joint of the mounting rod can be completed without a special tool; and the downtime of cutting knife replacement and equipment maintenance is shortened, the operation difficulty of operators is reduced, and the production continuity and the operation convenience can be improved to a certain extent.

This invention discloses a precision right-angle reducer torsional stiffness and backlash detection device, belonging to the field of precision gear performance testing technology. The device includes support blocks, with mounting plates fixedly connected between the tops of multiple support blocks. A first connecting plate is fixedly connected to the front end of the top of each mounting plate, and multiple second connecting plates are slidably connected to the rear end of the top of each mounting plate. A test piece is fixedly connected to the top of one of the second connecting plates, and adjustment components are installed on the tops of two of the second connecting plates. A clamping component is installed between the bottoms of the two adjustment components. A test component is installed on the top of the first connecting plate. By setting adjustment components, this invention makes the testing process more flexible, significantly shortening the time spent on equipment replacement and readjustment, improving testing efficiency, and thus better aligning with the rapid operation of the production line, reducing the possibility of production delays.

The utility model belongs to the technical field of gravure roller detection, and particularly relates to gravure roller detection equipment, which comprises a bottom plate, the bottom plate is mounted on external equipment, an adjusting mechanism is arranged on the bottom plate, and the adjusting mechanism comprises an adjusting seat, a moving sleeve, a bearing plate, a roller, a fixing sleeve, a fixing mechanism, a middle rod, a spring, an insertion rod and a driving mechanism. The adjusting base is installed on the bottom plate, the movable sleeve is slidably connected to the adjusting base, the multiple bearing plates are symmetrically installed on the movable sleeve and the adjusting base respectively, each bearing plate is fixedly installed on the corresponding fixing sleeve, and the adjusting mechanism is adjusted through ingenious cooperation of the adjusting base, the movable sleeve, the bearing plates, the rolling wheels, the lead screws and the threaded plates. Flexible adaptation to gravure rollers of different sizes is achieved, the distance between the rolling wheels is adjusted by rotating the handle so as to adapt to the gravure rollers of various specifications, the universality and adaptability of the device are greatly improved through the design, the requirement for replacing the device is reduced, and the detection efficiency is improved.

The utility model relates to leisure table technical field discloses a cable can hide formula leisure table, including the table board, the inside of one side of table board is provided with the baffle, the bottom of table board is provided with the supporting plate, the bottom fixedly connected with supporting column has of supporting plate, the outside fixedly connected with first support rod has of supporting column, the bottom fixedly connected with first connecting rod has of first support rod, the bottom fixedly connected with antiskid pad has of first connecting rod, the inside of supporting plate is provided with supporting assembly, the outside of supporting assembly sets up in the inside of the other side of table board, supporting assembly includes protection shell, the outside of protection shell one side sets up in the inside of supporting plate, in the utility model, through the rotation of the rotating rod drives second connecting rod and threaded column to rotate upwards, finally realizes the purpose of replacing table board, when the baffle can be easily opened, the user can comb the winding cable at any time, replaces the equipment plug, avoids the maintenance because of the baffle difficult to open and gives up.

The utility model is applicable to the technical field of zip-top can production, and provides a shrinking and turning device for aluminum zip-top can production, which comprises a workbench, a support table is arranged on one side of the workbench, and a fixing component is arranged at the bottom of the support table; according to the pop-top can fixing device, aluminum pop-top cans can be rapidly and stably fixed, the four connecting blocks are matched with the second hydraulic telescopic rods, and self-adaptive fixing of pop-top cans with different heights can be achieved by adjusting the telescopic lengths of the second hydraulic telescopic rods according to the heights of the pop-top cans with different specifications; the function breaks through the limitation that a traditional shrinking and turning device is only suitable for zip-top cans of specific specifications, so that the equipment can meet the production requirements of the zip-top cans of various specifications without large-scale transformation or replacement, the cost generated by equipment replacement of enterprises is reduced, the universality and the utilization rate of the equipment are improved, and compared with a traditional fixing mode, the production efficiency is improved. The design does not need to manually and frequently adjust the fixing part, and the production efficiency is greatly improved.

The invention discloses a large-diameter pipeline hydraulic jacking and assembling device, and relates to the technical field of pipeline centering equipment, the large-diameter pipeline hydraulic jacking and assembling device comprises a base frame, a jacking mechanism, a radial positioning mechanism, an axial clamping mechanism and a centering detection mechanism, the axial clamping mechanism is arranged at the end of a left jacking assembly or a right jacking assembly at the two ends, and the centering detection mechanism is arranged on the base frame. And the centering detection mechanism is arranged on the inner side of the axial clamping mechanism. When the pipelines are jacked, the left pipeline and the right pipeline are arranged on the left jacking assembly and the right jacking assembly correspondingly, and radial positioning is conducted through the radial positioning mechanisms on the two sides of the two pipelines. In addition, through jacking of the left jacking assembly or the right jacking assembly, the left pipeline and the right pipeline are coaxially arranged. The two pipelines are pushed to abut against each other through the axial clamping mechanisms at the two ends. The left pipeline and the right pipeline are detected and re-centered through the centering detection mechanism, and it is ensured that the centering precision meets the welding requirement. The device can carry out centering detection on pipelines with different diameters, equipment does not need to be replaced, the construction cost is reduced, and the construction efficiency is improved.