87results about How to "No offset will occur" patented technology

The utility model discloses a novel mechanical snap ring type air door interlocking device which comprises a first air door, a second air door, connecting baffles and an air door interlocking mechanism, and the connecting baffles are installed on the first air door and the second air door respectively. Door frames of the first air door and the second air door are each provided with one air door interlocking mechanism, and the air door interlocking mechanism at the position of the first air door is connected with the second air door through an interlocking rope and a telescopic spring; and the air door interlocking mechanism at the second air door is connected with the first air door through another interlocking rope and a telescopic spring. When one air door is opened, the other air door is completely in a locked state and cannot be opened, so that the air flow of a roadway is isolated or the air quantity passing through the roadway is limited.

This utility model discloses a double-headed tape wrapping machine, including a supporting base block. A base pad is symmetrically threaded to the bottom surface of the supporting base block. A control panel is fixedly mounted on one side of the supporting base block. Adjusting cylinders are horizontally and symmetrically fixed to both ends of the supporting base block. A movable top block is symmetrically connected to the top surface of the supporting base block. A fixed ring is vertically welded to the top surface of the movable top block. A rotating inner ring is sleeved on the inner side of the fixed ring. A material box is fixedly mounted on the inner side of the rotating inner ring. A transmission motor is fixedly mounted on one side of the movable top block. This machine can meet the wrapping requirements of products of different specifications and materials, exhibiting strong adaptability and versatility. Operation is simple and easy to understand, requiring no professional technical training. Furthermore, the reasonable layout of the various components facilitates installation, debugging, and maintenance, reducing the labor intensity of operators and improving work efficiency.

This utility model relates to the field of electrophoresis hanger technology and discloses an electrophoresis hanger with an anti-workpiece detachment structure. It includes a main hanger board, a suspension ring fixedly installed at the upper end of the main hanger board, a hanging structure installed at the front end of the main hanger board, and an anti-detachment structure installed at the front end of the main hanger board. Pushing the locking plate outwards towards the hanging hook compresses the connecting spring, and then placing the workpiece on the hanging hook. Releasing the locking plate allows the connecting spring's restoring force to bring the locking plate closer to the workpiece. The two sets of locking plates restrict the position of the workpiece. Then, activating the cylinder moves the connecting plate and the abutment rod downwards, pressing the upper surface of the workpiece and fixing it in place. This prevents the workpiece from tilting and, because the abutment rod prevents it from detaching from the hanging hook, keeps the workpiece stable during electrophoresis. A sliding component allows adjustment of the hanging hook's height.

The utility model belongs to the technical field of steel-plastic composite belt testing, and particularly relates to a strength testing device of a steel-plastic composite belt for an optical cable, which comprises a support table, and a control box is arranged above the support table; the testing mechanism comprises a testing table and a driving push rod, the testing table is fixed to the top of the supporting table, a supporting plate is fixed to the testing table, an air pressure rod is fixed to the supporting plate, an output shaft of the air pressure rod is fixedly connected with the testing plate, the testing plate is slidably connected with the testing table, and the driving push rod is arranged in the control box and fixed to a connector. The fixing mechanism comprises a connecting plate, a connecting shaft is fixed to the connecting plate, a rotating cylinder is rotationally connected to the interior of the connecting plate and is in threaded connection with a fixing rod, and the fixing rod is fixedly connected with the fixing plate; under the condition that the steel-plastic composite belt is not disassembled, detection in different modes is carried out, the tensile strength and the bending strength of the steel-plastic composite belt can be effectively tested, the steps of repeated disassembly and assembly can be reduced, and the detection efficiency of the test is improved.

The present application relates to the technical field of waste lithium ion battery recycling, and discloses a waste lithium ion battery disassembling and recycling device, which comprises a base, a multi-angle adjusting mechanical arm, a clamping jaw disassembling structure, an impact and piercing structure and a telescopic cutting structure. The base is symmetrically provided with a disassembling box and a recycling box at both ends. The multi-angle adjusting mechanical arm is installed at the upper end of the base. The clamping jaw disassembling structure is connected to the upper end of the multi-angle adjusting mechanical arm. The clamping jaw disassembling structure comprises a clamping jaw. The impact and piercing structure and the telescopic cutting structure are symmetrically arranged on both sides of the clamping jaw. The front end of the disassembling box is provided with a waste lithium ion battery positioning mechanism. The present application can quickly disassemble and classify the waste lithium ion battery, stably disassemble components of waste lithium ion batteries of different sizes and shapes, and position the waste lithium ion batteries of different sizes, so that the batteries will not shake or deviate during disassembly.

The utility model discloses a sorting machine for rice production, including the support frame, the rotatory frame is rotatably installed on the support frame, is provided with the adjusting mechanism on the support, the adjusting mechanism includes the bottom pipe, the bottom pipe is provided with a plurality of, and a plurality of bottom pipes are installed respectively on the four corners of the lower end surface of support frame, the inside rod is slidably arranged in the bottom pipe, the inside rod is provided with the semicircle cover on the same axis, and the most prominent technical advantage of the rice sorting machine lies in the unique high-precision inclination adjusting system, which completely solves the industry pain point of the traditional equipment in adjusting different batches of raw materials, the device adopts the innovative sliding rod and the tubular structure design, and cooperates the accurate friction self -locking mechanism, so that the operator can complete the accurate adjustment of the inclination angle of the sorting machine in less than 30 seconds.

The utility model provides a headrest mechanism can be folded back to electric, including headrest assembly, screw rod drive mechanism, base, rotating shaft and fixed bolster, screw rod drive mechanism and fixed bolster all solid are established on the base, rotating shaft is rotatably connected on the fixed bolster, headrest assembly is fixed on the rotating shaft, screw rod drive mechanism is connected with rotating shaft through connecting rod mechanism, screw rod drive mechanism and connecting rod mechanism are rotatory connection, connecting rod mechanism and rotating shaft are fixed connection, connecting rod mechanism is rotatory connection still on the base, when screw rod drive mechanism drives connecting rod mechanism to move, can drive rotating shaft to rotate back, thereby drive headrest assembly to fold back, the utility model discloses can realize the big angle folding back of headrest assembly, whether the driver needs to adjust the headrest angle in the specific driving scene, or leans back and folds back, the headrest needs to fold back to the rear larger angle to realize the storage, and this structure can provide enough folding range, greatly enhanced the use convenience of headrest.

The utility model discloses a titanium roller bearing installing and positioning structure, which relates to the technical field of bearing installing and positioning and comprises a main shaft and a positioning sleeve, a positioning step is arranged on one side of the main shaft, the positioning sleeve is coaxially sleeved on the main shaft, one side face of the positioning sleeve is attached to the positioning step, and a bearing is coaxially sleeved on the main shaft. One side face of the bearing is attached to the side face, away from the positioning step, of the positioning sleeve, the locking assembly is coaxially arranged on the main shaft, and the bearing can be fixed to the main shaft. Through cooperation of the positioning sleeve and the locking assembly, accurate positioning of the bearing and control over the locking torque are achieved, and therefore the titanium roller centering precision is improved, repeated installation is reduced, the labor intensity is lowered, and the installation efficiency is improved.

The semi-automatic rod sawing machine for aluminum machining comprises a workbench and an adjusting plate, a first fixing frame is fixedly installed on one side of the top face of the workbench, a second electric push rod is installed in the center of the top face of the first fixing frame, and the movable end of the second electric push rod is connected with a lifting frame; pressing rollers are symmetrically installed on the bottom face of the lifting frame, mounting grooves are symmetrically formed in the top face of the workbench, feeding shafts are installed in the mounting grooves, feeding rollers are fixedly installed on the feeding shafts, one end of the feeding shaft on one side is connected with the output end of a first servo motor, and belt wheels are symmetrically and fixedly installed at one ends of the two feeding shafts; and a transmission belt is connected between the two belt wheels in a sleeving manner. The automatic feeding and limiting device has the advantages that the workbench, the first fixing frame, the feeding roller, the pressing roller and the guide roller are arranged, automatic feeding and limiting fixing of aluminum bars and aluminum materials of different specifications and sizes can be achieved, operation is simpler and more convenient, time and labor are saved, working efficiency is higher, and practicability is higher.

The utility model discloses a riverway water quality monitoring buoy, which comprises a buoy main body and a water quality detector, the outer wall of the buoy main body is fixedly connected with a connecting rod, the outer wall of the connecting rod is fixedly connected with an anti-collision ring, the top end of the buoy main body is fixedly connected with a mounting shell, and the bottom end of the buoy main body is fixedly connected with a filter cartridge. A mounting mechanism is arranged in the mounting shell, a bearing block is fixedly connected to the bottom end of the mounting shell, a mounting block is fixedly connected to the inner wall of the mounting shell, a handle is pulled outwards, the handle drives a baffle to be separated from the interior of the mounting block, and at the moment, the mounting shell is separated from the closed space; the water quality detector is placed above the bearing block, the rotating disc is rotated, the rotating disc drives the bidirectional screw rod to rotate, the bidirectional screw rod rotates to drive the two sliding blocks to move in the sliding grooves in the opposite directions, the sliding blocks drive the fixing plate to fix the water quality detector, and therefore it is kept that the water quality detector cannot deviate in the using process.

The utility model relates to the technical field of cutting equipment, and discloses a cutting device for waste water filter production, which comprises a cutting machine, a protective cover, a backup plate and a cutting cutterhead, a connecting assembly is arranged between the cutting cutterhead and the cutting machine, an adjusting assembly is arranged between the backup plate and the protective cover, the connecting assembly comprises an output shaft of the cutting machine, and the output shaft of the cutting machine is connected with the backup plate. Connecting teeth are uniformly and fixedly connected to the surface of the output shaft, a first connecting box is fixedly connected to the surface of the output shaft, a second connecting box is slidably connected to the surface of the output shaft, and guide rods are symmetrically and fixedly connected to the surface of the end, close to the second connecting box, of the first connecting box; and guide holes are symmetrically formed in the surfaces of the cutting cutterhead and the second connecting box. According to the utility model, through the arrangement of the connecting assembly, the installation process of the cutting cutter head is simple and rapid, various tools are not needed, the replacement time of the cutting cutter head is shortened, and the production efficiency is greatly improved.

The application provides a refrigerating mechanism of a beer machine, and belongs to the technical field of machinery. The refrigerating mechanism solves the problem of uneven refrigerating effect of the existing refrigerating mechanism. The beer machine comprises a machine shell, an inner container arranged in the machine shell and a beer outlet pipe arranged in the inner container. The refrigerating mechanism comprises a compressor, a condenser, a drying filter, a capillary tube one, a capillary tube two, an evaporator one and an evaporator two. The compressor, the condenser, the drying filter, the capillary tube one and the evaporator one are sequentially connected to form a refrigerating circuit one. The compressor, the condenser, the drying filter, the capillary tube two and the evaporator two are sequentially connected to form a refrigerating circuit two. The flow directions of the refrigerants in the refrigerating circuit one and the refrigerating circuit two are opposite (i.e. one spirally flows from top to bottom, and the other spirally flows from bottom to top). The cold air can form a convection in the inner container, is mixed with each other, the temperature of each part in the inner container tends to be uniform, the formed ice layer is uniform and thick, and the refrigerating effect is uniform.

The utility model relates to the technical field of motors for golf carts, and discloses a motor convenient to maintain for a golf cart, which comprises a motor body and an end cover, and a pre-connecting assembly and a movable assembly are arranged on the surfaces of the motor body and the end cover; according to the motor convenient to maintain for the golf cart, through the arrangement of the pre-connecting assembly, when installation is needed, the fixing column is installed in the inserting hole, the inner wall of the inserting hole abuts against the inclined face of the clamping plate, and the rotating rod, the first gear and the second gear are driven to rotate through the round rod, the connecting hole and the round plate; and the volute spiral spring enables the clamping plate to enter the clamping groove, so that the circular ring I and the circular ring II are mutually limited, and the motor body and the end cover are synchronously limited. At the moment, fixation can be normally carried out through bolt fixation, long-time hand holding by personnel is not needed, deviation caused by mistaken touch is avoided, installation after maintenance is facilitated, and the installation efficiency is improved.

The invention relates to a multi-machine interconnected automatic punching production line which comprises a conveying mechanism and a plurality of punching machine tools sequentially arranged in the conveying direction of the conveying mechanism, and a linear carrying mechanism is arranged between the punching machine tools and the conveying mechanism. The linear carrying mechanism comprises a base and driving seats, the base and the punching machine tool are arranged in a spaced mode, the driving seats are movably arranged on the base, a material taking mechanism is installed between every two adjacent driving seats, and the material taking mechanisms are used for carrying workpieces between the conveying mechanism and the punching machine tool. The technical problems that when an existing stamping production line adopts a rotary mechanical arm to carry workpieces, the workpieces are prone to being affected by inertia and deviate and slide down, and the occupied space of equipment is large are solved.

The utility model relates to a metal wine bottle buckle angle forming device, including bottom plate, forming seat, metal sheet and bending assembly, the forming seat fixed mounting is in the bottom plate, the metal sheet places on the forming seat, the bending assembly sets up at the front end of forming seat, the bending assembly includes two forming frame boards and bending piece, a plurality of connecting bolts are arranged between two forming frame boards and the lateral wall of forming seat, two forming frame boards are fixedly installed on the both sides of forming seat through a plurality of connecting bolts respectively. The metal wine bottle buckle angle forming device, through setting up bending assembly, make metal sheet on forming seat can be by brake motor control bending piece bending on the front end lateral wall of forming seat and form annular buckle piece, reduce the manual operation when bending metal sheet, save time and labour while improving the processing forming efficiency to metal sheet.

This utility model relates to the field of wireless earphone technology, specifically to a quick-plug wireless earphone charging PIN pin structure. It mainly includes an outer cavity, with a piston cylinder connected to the inner side of the outer cavity, and a PIN pin body slidably connected to the inner side of the piston cylinder. The insertion / removal protection component includes a trapezoidal retaining ring, with a guide rod disposed on the inner side of the trapezoidal retaining ring, and a PIN pin tip disposed at the front end of the guide rod. The installation adjustment component includes an installation ring. This quick-plug wireless earphone charging PIN pin structure achieves unidirectional position adjustment by setting a foolproof structure on the inner side of the PIN pin body. The elastic connection of the conductive spring improves the buffer protection performance and increases the contact range. The elastic compression also ensures a tighter contact during charging. The dispersed PIN pin tips at the end of the PIN pin body increase the probability of contact with the earphone's metal contacts, reduce the probability of poor charging contact, and improve the efficiency of the PIN pin structure.

The utility model provides a scraper fineness meter calibrating device which comprises a calibrating workbench, a calibrating jig, a scraper fineness meter, a driving case, a calibrating screw rod, a driving motor and an identifying structure, the calibrating jig is installed at the front end of the surface of the calibrating workbench, the scraper fineness meter is placed on the calibrating jig, and the driving case is installed on the calibrating screw rod. The driving case is mounted at the rear end of the surface of the verification workbench; the verification screw rod is mounted in front of the driving case, the driving motor is fixedly mounted at the top of the driving case, and an output shaft of the driving motor is connected with the verification screw rod; the identification structure is slidably mounted in front of the driving case and is engaged with the verification screw rod; according to the utility model, with the arrangement of the verification tool and the identification structure, a large amount of workers are not required to participate in verification, the accuracy of obtained information is high, and the verification process is simple.

The utility model relates to the technical field of LED display screens, in particular to a connecting mechanism for mounting an LED display screen, which comprises a mounting base and a fixing bolt, the lower part of the inner wall of the mounting base is fixedly connected with a stabilizing plate, one side of the lower end of the stabilizing plate is fixedly connected with an adjusting device, and the lower part of the inner wall of the mounting base is provided with a limiting chute; and the adjusting device comprises a driving motor, the inner sides of the connecting frames are jointly and fixedly connected with a connecting shaft block, the upper end of the connecting shaft block is fixedly connected with a mounting assembly, and the driving motor is fixedly mounted on one side of the lower end of a stabilizing plate. According to the connecting mechanism for installation of the LED display screen, high-precision multi-angle adjustment is achieved through the driving motor, the intermittent column, the intermittent arc groove and other structures, diversified scene requirements are met, meanwhile, rapid installation and disassembly are achieved through the design of the upper installation frame, the lower installation frame, the resistance pad and the like, the maintenance and replacement process is simplified, and manpower and time cost is reduced.

The utility model discloses a fixing clamp for a metal processing punching machine. The fixing clamp comprises a punching machine main body, the clamping assemblies are arranged on the two sides of the punching machine body; the clamping assembly comprises a fixing frame, an electric push rod, a sliding shell, a motor, a rotating rod, a gear, a sliding block, a rack and a pressing plate, the bottom end of the fixing frame is fixedly connected with the side face of the punching machine body, one end of the electric push rod is fixedly connected with one side of the top end of the fixing frame, and the side face of the sliding shell is fixedly connected with the end, away from the fixing frame, of the electric push rod. The motor is fixedly installed on the front face of the sliding shell, one end of the rotating rod is rotationally connected with the interior of the sliding shell, and the other end of the rotating rod is fixedly connected with the output end of the motor. According to the scheme, the punching machine body and the clamping assembly are arranged, through the structure, a workpiece is fixed in the horizontal direction and the vertical direction during clamping, it is guaranteed that the workpiece cannot deviate in any direction in the machining process, and the effect of improving the machining precision is achieved.

The utility model discloses a cutting device for steel processing suitable for continuous processing belongs to steel cutting processing technical field, it includes installation platform, one side fixed mounting of installation platform top has two blocking pieces, the inside rotation is connected with screw rod through bearing of blocking piece, and the screw rod penetrates blocking piece bottom and installation platform, the surface screw connection of screw rod in the inside of blocking piece is equipped with the lower pressure block, and the installation platform bottom is equipped with the placement groove. This cutting device for steel processing suitable for continuous processing, through setting lower pressure block and driving gear, place steel on the drum, push steel and slide on the drum until steel and two blocking pieces are close, start motor one makes driving gear rotate, drives two driven gears and rotates in the same direction, and the rotation of control screw rod drives the lower pressure block and presses the top of steel, thereby tight in the installation platform surface with steel, so that the position of steel does not appear the deviation when cutting processing.

The utility model belongs to the technical field of new energy automobile high-voltage line shielding ring crimping positioning tools, and particularly relates to a new energy automobile high-voltage line shielding ring crimping positioning tool which comprises a base, the outer wall of the base is connected with a connecting seat, the outer wall of the connecting seat is provided with a sliding seat, the top of the base is provided with a groove, and the sliding seat is provided with a sliding groove. And a stud base is arranged on the inner side of the groove. According to the utility model, the high-voltage wire to be crimped with the shielding ring is placed in the wire clamping groove, and then the screw hole fixing table on the wire clamping groove is sleeved and fixed with the inner hole of the wire nose at the tail end of the high-voltage wire; meanwhile, the crimping position of the high-voltage wire harness crimping shielding ring is adjusted through a sliding connection structure between the sliding seat and the connecting seat in cooperation with a graduated scale on the reference connecting seat, and finally the adjusted position of the sliding seat can be fixed through a limiting structure, so that it can be guaranteed that the shielding ring does not deviate during crimping; and the shielding ring of the high-voltage wire harness can be crimped on a required mounting position of the high-voltage wire harness.

The utility model discloses a chip micro adjustment locking mechanism which comprises a base, an X-Z axis movement mechanism, a vertical plate, a theta axis driving mechanism, a rotating plate and a locking mechanism. The side of the XZ-axis movement mechanism is fixed on the base; the vertical plate is in driving connection with the XZ-axis movement mechanism and is driven by the XZ-axis movement mechanism to do XZ-axis movement; the theta-axis driving mechanism side is fixed on the vertical plate; the rotating plate is in driving connection with the theta-axis driving mechanism and is driven by the theta-axis driving mechanism to do circumferential rotation; the locking mechanism side is fixed on the rotating plate; according to the chip micro-motion adjustment locking mechanism, adjustment in the XZ theta direction is completed through the structure of the stacking module, the use requirement is met, meanwhile, control is simple, the locking mechanism is flexibly matched, and the position change state of a product is monitored in real time and adjustment is conducted.

The utility model relates to the technical field of measuring tools, in particular to a convenient handheld seamless steel tube outer diameter comprehensive measuring tool. The device comprises a fixing frame, supporting rods are symmetrically arranged on the inner walls of the two sides of the fixing frame, a supporting wheel is arranged at the top of each supporting rod, a pair of sliding sleeves are symmetrically arranged at the top of the fixing frame, a measuring auxiliary assembly is movably arranged at the top of the fixing frame, and a detachable acrylic transparent plate is arranged on the measuring auxiliary assembly. A stable supporting structure is provided for the device through the supporting rods on the inner walls of the two sides of the fixing frame and the top riding wheels, it is ensured that the device cannot shake or deviate in the measuring process, meanwhile, the bottom of the bolt is tightly attached to the top of the outer wall of the seamless steel pipe all the time under the continuous action of the extrusion spring, and even if the surface of the steel pipe is uneven, the device cannot be damaged. And the continuity and the accuracy of measurement can be ensured, and measurement errors caused by untight attachment are avoided.

The utility model discloses a sampling device for chemical waste gas detection, relates to the technical field of chemical waste gas detection, and aims to solve the technical problems that when a plug of the current sampling device is pulled out of an opening of a waste gas storage tank, external air enters, a waste gas sample is diluted, and the detection accuracy is influenced. Comprising a sampling pipe and an air exhaust rod installed in the sampling pipe, a sampling head is fixedly installed at the lower end of the sampling pipe, a plugging piece for plugging an opening of the sampling head is fixedly installed in the sampling pipe, the sampling head comprises a connecting pipe, and a communicated insertion pipe is integrally formed at the lower end of the connecting pipe; according to the utility model, through the matching of the sampling head and the plugging piece, when the sampling head is inserted into the opening of the waste gas tank, the convex block drives the baffle plate to move upwards through the extrusion of the pipe opening, so that the plugging plate is pushed to move upwards to be separated from the bottom of the inner cavity of the connecting pipe, and the communication effect is achieved; and the exhaust gas extraction sealing performance is improved.

The utility model relates to the technical field of hydraulic oil cylinders, and discloses a hydraulic oil cylinder convenient to install, which comprises a hydraulic oil cylinder body, the hydraulic oil cylinder body is placed at the top end of an installation table, and the surface of the hydraulic oil cylinder body is in contact with four clamping blocks. The ends, close to each other, of the four clamping blocks are fixedly connected with protective cotton, the ends, away from each other, of the four clamping blocks are fixedly connected with transmission rings, and the number of the transmission rings is four. Firstly, the hydraulic oil cylinder body is placed at the top end of the mounting table. Then, an operator rotates four rotating handles, the rotating handles drive rotating rods to rotate, and rotation of the rotating rods is transmitted to clamping blocks through transmission rings, so that the four clamping blocks are close to one another until the protective cotton is in tight contact with the hydraulic oil cylinder body, and the hydraulic oil cylinder body is firmly clamped on the mounting table; the clamping columns at the top end of the top cover are aligned with the clamping grooves in the top end of the hydraulic oil cylinder body, the clamping columns are inserted into the clamping grooves, and the top cover is preliminarily positioned.

The utility model relates to the technical field of section steel bending and correcting equipment, in particular to section steel bending and correcting equipment which comprises a bottom plate, a temperature control electric heating ring and a supporting frame which are fixedly installed on the bottom plate, an air cylinder is fixedly installed on a top plate body of the supporting frame, and a steel plate is fixedly installed at the tail end of a telescopic shaft of the air cylinder. A correcting pressing head is detachably installed on the bottom face of the steel plate, a supporting table is arranged under the correcting pressing head, the supporting table is fixedly installed on the bottom plate, inner grooves are formed in the left side and the right side of the supporting table, a machining table top is arranged on the top face of the supporting table, and a lower pressing die is detachably installed on the top face of the supporting table. The correction device is convenient for correction operation after heating, and has the advantage of ensuring that the correction process is carried out stably.

This utility model discloses a marine plunger sleeve assembly with a buffer function, relating to the field of plunger sleeve technology. The plunger sleeve body has a connecting groove inside, and the plunger sleeve body is fixedly connected to the plunger body through the connecting groove. A buffer structure is provided at the bottom of the plunger sleeve body, and the buffer structure includes a first sealing ring, with a sealing gasket at the bottom of the first sealing ring. A second sealing ring is connected to the bottom of the sealing gasket, and the second sealing ring is fixedly connected to the plunger body. A connecting damper is provided at the top of the second sealing ring. Through the buffer mechanism, when the plunger sleeve body is connected to the plunger body, the first and second sealing rings seal the interface. When the plunger sleeve body or the plunger body shakes, the sealing gasket absorbs the pressure, and then the connecting damper contracts and resets, thereby offsetting the pressure caused by the shaking. This prevents the plunger body from shifting or leaking oil when connected to the plunger sleeve body.

The utility model discloses a kind of guiding and positioning devices for steel structure variable cross-section web cutting, including fixed seat, the upper surface of the fixed seat is fixed with a plurality of second positioning electric adjusting rod, the both ends of the second positioning electric adjusting rod are fixed with second positioning sliding block, the upper surface of the fixed seat is also fixed with a plurality of lifting electric telescopic rod, the top of the lifting electric telescopic rod is fixed with lifting press plate, the bottom of the lifting press plate is fixed with T-shaped fixed connecting plate.The utility model is driven first positioning sliding block and second positioning sliding block by first positioning electric adjusting rod and second positioning electric adjusting rod and carries out contact with steel structure variable cross-section web, outward force is applied from steel structure variable cross-section web inside, the positioning of steel structure variable cross-section web and the guidance when moving are realized, while downward pressure is applied above steel structure variable cross-section web, ensure that steel structure variable cross-section web does not appear to sway or deviate during moving or cutting process.

The utility model belongs to the technical field of lifting and locking, particularly relates to a lifting and locking device, and aims to solve the problems that the packaging quality and efficiency are influenced due to position deviation of an existing charging basket in the lifting and packaging processes, the stability of the lifted charging basket is difficult to guarantee, and the packaging requirements of charging baskets with different heights cannot be flexibly met. Two third connecting bases are fixed to the top of the bottom plate, second connecting bases are arranged on the outer sides of the third connecting bases, and first connecting bases are welded to the tops of the second connecting bases. According to the barrel bottom positioning device, the accurate conical positioning table and a barrel bottom groove are matched for positioning, and an anti-inclination backing ring is matched, so that the positioning accuracy is guaranteed; the lifting process is ensured to be stable through stable oil cylinder pushing and guide rod guiding structures, the tray is effectively prevented from falling back through a reliable mechanical self-locking piece, the packaging height is ensured to be stable, and the tray lifting device is suitable for packaging charging baskets with different heights through the design of an adjustable adjusting pad and is high in universality.