Arc-shaped template traction device with automatic positioning function

Abstract

The invention discloses an arc-shaped formwork traction device with an automatic positioning function, and relates to the technical field of bridge construction.The arc-shaped formwork traction device comprises a crane, a traction device body, a first steel cable and a second steel cable, the crane can drive the traction device body to move, the traction device body is made to move to a designated position, and the first steel cable is connected with the second steel cable; the traction device can clamp the arc-shaped formwork, when the arc-shaped formwork is driven to move in the air, the gravity center of the arc-shaped formwork can be automatically adjusted, the arc-shaped formwork is kept in a horizontal state when lifted, the arc-shaped formwork can conveniently reach the designated position, and the situation that the arc-shaped formwork collides with a steel reinforcement framework and other preassembled parts due to deviation in the moving process is avoided; and meanwhile, automatic positioning can be achieved, it is guaranteed that the strength of all parts of the bridge pier is uniform when the bridge pier is poured, the service life of the bridge pier is prolonged, the first steel cable can drive the traction device to clamp and loosen the arc-shaped formwork, and the second steel cable can drive the traction device to ascend and descend.

Description

Technical Field

[0001] The invention relates to the technical field of bridge construction, in particular to an arc-shaped template traction device with an automatic positioning function. Background Art

[0002] A bridge generally refers to a structure built across rivers, lakes, and seas to enable vehicles and pedestrians to pass smoothly. As an important transportation facility that crosses natural obstacles, bridges have historically evolved from simple wooden bridges and stone bridges to modern reinforced concrete bridges. As one of the main load-bearing structures of a bridge, the construction quality and efficiency of piers are crucial to the stability, safety, and durability of the entire bridge structure. The pier formwork casting technology has undergone continuous development and improvement, aiming to improve construction accuracy, reduce construction time, improve construction quality, and ensure structural safety. When casting the piers, first install the steel skeleton, then use a crane to lift the curved formwork to the outside of the steel skeleton, and then use concrete to cast the inside of the formwork.

[0003] The existing technology has defects: when the arc formwork is hoisted into the outside of the steel frame by a crane, the arc formwork will deviate in the air and easily hit the steel frame and other pre-assembled parts during movement, causing damage to the steel frame and other pre-assembled parts; when the arc formwork is placed, it is difficult to locate the placement position of the arc formwork, resulting in deviation in the placement position, making the strength of various parts of the pier uneven, affecting the service life of the pier. Summary of the invention

[0004] The purpose of the present invention is to provide an arc template traction device with automatic positioning function to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: the arc template traction device includes a crane, and a first drive motor, a second drive motor, a first winding wheel, a second winding wheel, a first steel cable and a second steel cable are installed on the body of the crane, the output end of the first drive motor is installed on the first winding wheel, the second drive motor is installed on the second winding wheel, one end of the first steel cable is installed on the first winding wheel, and a traction device is installed on the other end of the first steel cable, one end of the second steel cable is installed on the second winding wheel, and the other end of the second steel cable is installed on the traction device, and the first drive motor and the second drive motor are connected to the control system. During operation, the manual operation control system controls the second drive motor to start, the second drive motor drives the second winding wheel to rotate, the second steel cable on the second winding wheel drives the traction device to descend, when the clamping device of the traction device descends to the height of the arc template, the first drive motor is controlled to start, the first drive motor drives the first winding wheel to rotate, the first steel cable on the first winding wheel drives the sliding block to move downward, the sliding block drives the clamping device to clamp the arc template, the second drive motor is controlled to start, the second drive motor drives the second winding wheel to rotate, the second steel cable on the second winding wheel drives the traction device to rise, when the arc template moves to the height of the steel frame When the arc template is above the reinforcing steel frame, the second drive motor is controlled to start, the second drive motor drives the second winding wheel to rotate, and the second steel cable on the second winding wheel drives the traction device to descend. When the automatic positioning device enters the interior of the reinforcing steel frame, the second drive motor is controlled to stop, and the automatic positioning device is controlled to adjust the position of the arc template. When the axes of the arc template and the reinforcing steel frame are in the same straight line, the second drive motor is controlled to start, and the arc template is placed on the ground. The first drive motor is controlled to start, and the first drive motor drives the first winding wheel to rotate. The first steel cable on the first winding wheel drives the sliding block to move upward, and the sliding block drives the clamping device to release the arc template.

[0006] The traction device includes a fixed block, one end of the second steel cable is mounted on the fixed block, a through slot is provided on one side of the fixed block, a sliding block is slidably connected in the through slot, a clamping device is rotatably connected to one side of the sliding block, a connecting plate is installed on one side of the fixed block, one end of the connecting plate is connected to an inclined plate, one end of the inclined plate is connected to a transverse plate, one end of the transverse plate is installed with an anti-deviating device, an automatic positioning device is installed between the two transverse plates, and the clamping device slides on the anti-deviating device. The manual operation control system controls the sliding block to rise and fall in the through slot of the fixed block, and the sliding block drives the clamping device to slide on the anti-deviating device, so that the clamping device clamps and releases the arc template, and when the automatic positioning device moves to the inside of the steel skeleton, the automatic positioning device is controlled to start and adjust the position of the arc template until the axis of the arc template and the steel skeleton are in the same straight line.

[0007] The sliding block includes a cylinder, one end of the cylinder is connected to a first limit block, one end of the first steel cable is installed on the first limit block, the other end of the cylinder is installed with a second limit block, the outer side of the second limit block is connected to a first mounting block, a rotating shaft 1 is installed between the two first mounting blocks, and the clamping device rotates on the rotating shaft 1. When the clamping device descends to the height of the arc template, the first drive motor is controlled to start, the first motor drives the first winding wheel to rotate, the first winding wheel drives the first steel cable to move upward, the first steel cable drives the first limit block to move, the first limit block drives the cylinder to move, the cylinder drives the second limit block to move, the second limit block drives the clamping device to slide toward each other on the anti-deviation device to clamp the arc template; when the arc template is placed on the ground, the first drive motor is controlled to start, the first motor drives the first winding wheel to rotate, the first winding wheel drives the first steel cable to move downward, the first steel cable drives the first limit block to move, the first limit block drives the cylinder to move, the cylinder drives the second limit block to move, the second limit block drives the clamping device to slide back to back on the anti-deviation device to release the arc template.

[0008] The anti-deviating device comprises a long plate, the long plate is connected to one end of the horizontal plate, the long plate is connected to a second mounting block, a rotating shaft 2 is installed between the two second mounting blocks, the rotating shaft 2 is rotatably connected to an inch shaft, one side of the inch shaft is rotatably connected to a connecting block, one side of the inch shaft is rotatably connected to a push rod, one end of the connecting block is connected to a track, one end of the track is connected to a third limiting block, one side of the track is connected to a fixed plate, and one end of the fixed plate is connected to an automatic positioning device. When the arc template has a tendency to deviate in the air, the clamping device drives the track to rotate counterclockwise, the track drives the connecting block on the pressing side to move in the direction close to the long plate, the connecting block on the pressing side drives the inch shaft on the pressing side to rotate counterclockwise, the inch shaft on the pressing side drives the push rod to move, the push rod drives the inch shaft on the tilting side to rotate counterclockwise, the inch shaft on the tilting side drives the connecting block on the tilting side to move in the direction close to the long plate, the connecting block on the tilting side drives the long plate to rotate clockwise, and the long plate drives the clamping device to rotate clockwise, so that the arc template remains horizontal.

[0009] The automatic positioning device includes a first straight plate and a second straight plate, one end of the first straight plate is connected to the horizontal plate, a cylinder is installed on one side of the first straight plate, a centering device is installed on the cylinder rod of the cylinder, one end of the second straight plate is connected to the long plate, a mounting groove is provided on one side of the second straight plate, a centering device is installed in the mounting groove, and the cylinder is connected to the control system. When the automatic positioning device moves to the inside of the steel frame, the manual control system controls the cylinder rod to extend, and the cylinder rod drives the centering device to center the steel frame. When the centering is completed, the cylinder rod of the cylinder is controlled to be retracted, and the cylinder rod drives the centering device back to the initial position.

[0010] The centering device includes a disc and a slide plate. The disc is installed in the installation groove of the second straight plate. The disc is provided with a sliding groove, a groove and a slide rail. A cylinder is slidably connected in the middle of the disc. The cylinder is coaxial with the disc. A spiral block is provided on the outer surface of the cylinder. The spiral block slides in the sliding groove. One side of the cylinder is connected to the cylinder rod of the cylinder. One side of the slide plate slides on the groove. The spiral block slides on the spiral groove of the slide plate. An inclined groove is provided on one side of the slide plate. A U-shaped block is slidably connected to the slide rail. The U-shaped block slides in the inclined groove. A pressure sensor is installed on one side of the U-shaped block. The pressure sensor is connected to the control system. When the automatic positioning device moves to the inside of the steel frame, the cylinder rod of the cylinder extends out, and the cylinder rod drives the cylinder forward. The spiral block on the cylinder slides in the spiral groove of the slide plate in the direction away from the cylinder, driving the slide plate to slide in the groove toward the edge of the disc. The inclined groove on the slide plate moves toward the edge of the disc, driving the U-shaped block to slide along the slide rail away from the center of the disc. When the pressure sensors on one or two of the U-shaped blocks contact the steel frame, the crane is controlled to move the traction device until the inner wall of the steel frame contacts the three pressure sensors at the same time, and the cylinder is controlled to stop moving to complete the centering.

[0011] The clamping device includes a short plate, one side of the short plate is connected to a third mounting block, a rotating shaft three is installed between the two third mounting blocks, a connecting rod is rotatably connected to the rotating shaft three, the other end of the connecting rod rotates on the rotating shaft two, one end of the short plate is connected to a slide groove, the slide groove slides on the track, one side of the short plate is connected to an L-shaped block, and one end of the L-shaped block is connected to an arc-shaped clamp. When the sliding block moves upward, the sliding block drives the connecting rod to rotate, the connecting rod drives the rotating shaft three to move in the direction away from the third limit block, the rotating shaft three drives the third mounting block to move, the third mounting block drives the short plate to move, the short plate drives the slide groove to slide on the track, the short plate drives the L-shaped block to move, the L-shaped block drives the arc clamp to move and clamps the arc template; when the sliding block moves downward, the sliding block drives the connecting rod to rotate, the connecting rod drives the rotating shaft three to move in the direction close to the third limit block, the rotating shaft three drives the third mounting block to move, the third mounting block drives the short plate to move, the short plate drives the slide groove to slide on the track, the short plate drives the L-shaped block to move, the L-shaped block drives the arc clamp to move and releases the arc template.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The present invention adopts an anti-deviation device to automatically adjust the center of gravity of the arc template, maintain a horizontal state when the arc template is hoisted, facilitate the arc template to reach the specified position, avoid collision with the steel skeleton and other pre-assembled parts due to deviation during movement, and prevent damage to the steel skeleton and other pre-assembled parts.

[0014] 2. The present invention adopts an automatic positioning device to automatically align the center of the steel frame and the arc-shaped template, so that the axes of the steel frame and the arc-shaped template are in the same straight line. When the bridge pier is cast, the strength of each part of the bridge pier is guaranteed to be uniform, thereby improving the service life of the bridge pier. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the arc template traction device of the present invention;

[0016] Figure 2 is a perspective view of the traction device of the present invention;

[0017] Figure 3 A three-dimensional diagram of a sliding block of the present invention;

[0018] Figure 4 is a perspective view of the anti-deviating device of the present invention;

[0019] Figure 5 is a three-dimensional diagram of the automatic positioning device of the present invention;

[0020] Figure 6 is a three-dimensional diagram of the centering device of the present invention;

[0021] Figure 7 A three-dimensional diagram of a cylinder of the present invention;

[0022] Figure 8 It is a three-dimensional diagram of the clamping device of the present invention.

[0023] In the figure: 1, crane; 2, traction device; 21, fixed block; 22, sliding block; 221, cylinder; 222, first limit block; 223, second limit block; 224, first mounting block; 23, connecting plate; 24, inclined plate; 25, anti-deviating device; 251, long plate; 252, second mounting block; 253, inch shaft; 254, push rod; 255, fixed plate; 256, track; 257, third limit block; 258, connecting block; 26, automatic positioning device ; 261, first straight plate; 262, cylinder; 263, centering device; 2631, disc; 2632, cylinder; 2633, U-shaped block; 2634, slide plate; 2635, inclined groove; 2636, spiral block; 264, second straight plate; 27, clamping device; 271, connecting rod; 272, short plate; 273, slide groove; 274, third mounting block; 275, L-shaped block; 276, arc clamp; 28, cross plate; 3, first steel cable; 4, second steel cable. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example: Figure 1-Figure 8 As shown, the present invention provides a technical solution, the arc template traction device includes a crane 1, the body of the crane 1 is equipped with a first drive motor, a second drive motor, a first winding wheel, a second winding wheel, a first steel cable 3 and a second steel cable 4, the output end of the first drive motor is installed on the first winding wheel, the second drive motor is installed on the second winding wheel, one end of the first steel cable 3 is installed on the first winding wheel, the other end of the first steel cable 3 is equipped with a traction device 2, one end of the second steel cable 4 is installed on the second winding wheel, the other end of the second steel cable 4 is installed on the traction device 2, and the first drive motor and the second drive motor are connected to the control system.

[0026] During operation, the manual operation control system controls the second drive motor to start, the second drive motor drives the second winding wheel to rotate, the second steel cable 4 on the second winding wheel drives the traction device 2 to descend, and when the clamping device 27 of the traction device 2 descends to the height of the arc template, the first drive motor is controlled to start, the first drive motor drives the first winding wheel to rotate, the first steel cable 3 on the first winding wheel drives the sliding block 22 to move downward, the sliding block 22 drives the clamping device 27 to clamp the arc template, the second drive motor is controlled to start, the second drive motor drives the second winding wheel to rotate, the second steel cable 4 on the second winding wheel drives the traction device 2 to rise, and when the arc template moves to the height of the steel frame When the arc template is above the reinforcing steel frame, the second drive motor is controlled to start, the second drive motor drives the second winding wheel to rotate, and the second steel cable 4 on the second winding wheel drives the traction device 2 to descend. When the automatic positioning device 26 enters the interior of the reinforcing steel frame, the second drive motor is controlled to stop, and the automatic positioning device 26 is controlled to adjust the position of the arc template. When the axes of the arc template and the reinforcing steel frame are in the same straight line, the second drive motor is controlled to start, and the arc template is placed on the ground. The first drive motor is controlled to start, and the first drive motor drives the first winding wheel to rotate. The first steel cable 3 on the first winding wheel drives the sliding block 22 to move upward, and the sliding block 22 drives the clamping device 27 to release the arc template.

[0027] The traction device 2 includes a fixed block 21, one end of the second steel cable 4 is mounted on the fixed block 21, a through slot is provided on one side of the fixed block 21, a sliding block 22 is slidably connected in the through slot, a clamping device 27 is rotatably connected on one side of the sliding block 22, a connecting plate 23 is installed on one side of the fixed block 21, an inclined plate 24 is connected to one end of the connecting plate 23, a transverse plate 28 is connected to one end of the inclined plate 24, an anti-deviation device 25 is installed on one end of the transverse plate 28, an automatic positioning device 26 is installed between the two transverse plates 28, and the clamping device 27 slides on the anti-deviation device 25. The manual operation control system controls the sliding block 22 to rise and fall in the through slot of the fixed block 21, and the sliding block 22 drives the clamping device 27 to slide on the anti-deviation device 25, so that the clamping device 27 clamps and releases the arc template, and when the automatic positioning device 26 moves to the inside of the steel skeleton, the automatic positioning device 26 is controlled to start and adjust the position of the arc template until the axis of the arc template and the steel skeleton are in the same straight line.

[0028] The sliding block 22 includes a cylinder 221, one end of which is connected to a first limit block 222, one end of the first steel cable 3 is installed on the first limit block 222, the other end of the cylinder 221 is installed with a second limit block 223, the outer side of the second limit block 223 is connected to a first mounting block 224, a rotating shaft 1 is installed between the two first mounting blocks 224, and the clamping device 27 rotates on the rotating shaft 1.

[0029] When the clamping device 27 descends to the height of the arc template, the first driving motor is controlled to start, the first motor drives the first winding wheel to rotate, the first winding wheel drives the first steel cable 3 to move upward, the first steel cable 3 drives the first limit block 222 to move, the first limit block 222 drives the cylinder 221 to move, the cylinder 221 drives the second limit block 223 to move, the second limit block 223 drives the clamping device 27 to slide toward each other on the anti-deviation device 25 to clamp the arc template, when the arc template is placed on the ground, the first driving motor is controlled to start, the first motor drives the first winding wheel to rotate, the first winding wheel drives the first steel cable 3 to move downward, the first steel cable 3 drives the first limit block 222 to move, the first limit block 222 drives the cylinder 221 to move, the cylinder 221 drives the second limit block 223 to move, the second limit block 223 drives the clamping device 27 to slide back to back on the anti-deviation device 25 to release the arc template.

[0030] The anti-deviance device 25 includes a long plate 251, which is connected to one end of the cross plate 28, and a second mounting block 252 is connected to the long plate 251. A rotating shaft 253 is installed between the two second mounting blocks 252, and an inch shaft 253 is rotatably connected to the rotating shaft 2. A connecting block 258 is rotatably connected to one side of the inch shaft 253, and a push rod 254 is rotatably connected to one side of the inch shaft 253. One end of the connecting block 258 is connected to a track 256, and one end of the track 256 is connected to a third limit block 257. One side of the track 256 is connected to a fixed plate 255, and one end of the fixed plate 255 is connected to the automatic positioning device 26.

[0031] When the arc template tends to deviate in the air, the clamping device 27 drives the track 256 to rotate counterclockwise, and the track 256 drives the connecting block 258 on the pressed side to move toward the direction close to the long plate 251, and the connecting block 258 on the pressed side drives the inch shaft 253 on the pressed side to rotate counterclockwise, and the inch shaft 253 on the pressed side drives the push rod 254 to move, and the push rod 254 drives the inch shaft 253 on the tilted side to rotate counterclockwise, and the inch shaft 253 on the tilted side drives the connecting block 258 on the tilted side to move toward the direction close to the long plate 251, and the connecting block 258 on the tilted side drives the long plate 251 to rotate clockwise, and the long plate 251 drives the clamping device 27 to rotate clockwise, so that the arc template remains horizontal.

[0032] The automatic positioning device 26 includes a first straight plate 261 and a second straight plate 264. One end of the first straight plate 261 is connected to the horizontal plate 28. A cylinder 262 is installed on one side of the first straight plate 261. A centering device 263 is installed on the cylinder rod of the cylinder 262. One end of the second straight plate 264 is connected to the long plate 251. A mounting groove is provided on one side of the second straight plate 264. The centering device 263 is installed in the mounting groove. The cylinder 262 is connected to the control system. When the automatic positioning device 26 is moved to the inside of the steel frame, the manual control system controls the cylinder rod of the cylinder 262 to extend, and the cylinder rod drives the centering device 263 to center the steel frame. When the centering is completed, the cylinder rod of the cylinder 262 is controlled to be retracted, and the cylinder rod drives the centering device 263 back to the initial position.

[0033] The centering device 263 includes a disc 2631 and a slide plate 2634. The disc 2631 is installed in the installation groove of the second straight plate 264. The disc 2631 is provided with a sliding groove, a groove and a slide rail. The middle of the disc 2631 is slidably connected with a cylinder 2632. The cylinder 2632 is coaxial with the disc 2631. A spiral block 2636 is provided on the outer surface of the cylinder 2632. The spiral block 2636 slides in the sliding groove. One side of the cylinder 2632 is connected to the cylinder rod of the cylinder 262. One side of the slide plate 2634 slides on the groove. The spiral block 2636 slides on the spiral groove of the slide plate 2634. An inclined groove 2635 is provided on one side of the slide plate 2634. A U-shaped block 2633 is slidably connected to the slide rail. The U-shaped block 2633 slides in the inclined groove 2635. A pressure sensor is installed on one side of the U-shaped block 2633. The pressure sensor is connected to the control system.

[0034] When the automatic positioning device 26 moves to the inside of the steel skeleton, the cylinder rod of the cylinder 262 extends out, and the cylinder rod drives the cylinder 2632 forward. The spiral block 2636 on the cylinder 2632 slides in the spiral groove of the slide plate 2634 in the direction away from the cylinder 262, driving the slide plate 2634 to slide in the groove toward the edge of the disk 2631. The inclined groove 2635 on the slide plate 2634 moves in the direction close to the edge of the disk 2631, driving the U-shaped block 2633 to slide along the slide rail away from the center of the disk 2631. When the pressure sensors on one or two of the U-shaped blocks 2633 contact the steel skeleton, the crane 1 is controlled to move the traction device 2 until the inner wall of the steel skeleton contacts the three pressure sensors at the same time, and the cylinder 262 is controlled to stop moving to complete the centering.

[0035] The clamping device 27 includes a short plate 272, one side of the short plate 272 is connected to a third mounting block 274, a rotating shaft three is installed between the two third mounting blocks 274, a connecting rod 271 is rotatably connected to the rotating shaft three, the other end of the connecting rod 271 rotates on the rotating shaft two, one end of the short plate 272 is connected to a slide groove 273, the slide groove 273 slides on the track 256, one side of the short plate 272 is connected to an L-shaped block 275, and one end of the L-shaped block 275 is connected to an arc clamp 276. When the sliding block 22 moves upward, the sliding block 22 drives the connecting rod 271 to rotate, the connecting rod 271 drives the rotating shaft 3 to move in the direction away from the third limit block 257, the rotating shaft 3 drives the third mounting block 274 to move, the third mounting block 274 drives the short plate 272 to move, the short plate 272 drives the slide groove 273 to slide on the track 256, the short plate 272 drives the L-shaped block 275 to move, the L-shaped block 275 drives the arc clamp 276 to move to clamp the arc template.

[0036] When the sliding block 22 moves downward, the sliding block 22 drives the connecting rod 271 to rotate, the connecting rod 271 drives the rotating shaft 3 to move in the direction close to the third limit block 257, the rotating shaft 3 drives the third mounting block 274 to move, the third mounting block 274 drives the short plate 272 to move, the short plate 272 drives the slide groove 273 to slide on the track 256, the short plate 272 drives the L-shaped block 275 to move, the L-shaped block 275 drives the arc clamp 276 to move, and the arc template is released.

[0037] Working principle of the present invention:

[0038] During operation, the manual operation control system controls the second drive motor to start, the second drive motor drives the second winding wheel to rotate, the second steel cable 4 on the second winding wheel drives the traction device 2 to descend, when the clamping device 27 of the traction device 2 descends to the height of the arc template, the first drive motor is controlled to start, the first motor drives the first winding wheel to rotate, the first winding wheel drives the first steel cable 3 to move upward, the first steel cable 3 drives the first limit block 222 to move, the first limit block 222 drives the cylinder 221 to move, the cylinder 2 21 drives the second limit block 223 to move, the second limit block 223 drives the rotating shaft 2 to move, the rotating shaft 2 drives the connecting rod 271 to rotate, the connecting rod 271 drives the rotating shaft 3 to move in the direction away from the third limit block 257, the rotating shaft 3 drives the third mounting block 274 to move, the third mounting block 274 drives the short plate 272 to move, the short plate 272 drives the slide groove 273 to slide on the track 256, the short plate 272 drives the L-shaped block 275 to move, the L-shaped block 275 drives the arc clamp 276 to move, and clamps the arc template.

[0039] When the arc template is clamped, the second drive motor is controlled to start, the second drive motor drives the second winding wheel to rotate, and the second steel cable 4 on the second winding wheel drives the traction device 2 to rise. When the arc template tends to deviate in the air, the track 256 rotates counterclockwise, and the track 256 drives the connecting block 258 on the pressed side to move toward the direction close to the long board 251, and the connecting block 258 on the pressed side drives the inch shaft 253 on the pressed side to rotate counterclockwise, and the inch shaft 253 on the pressed side drives the push rod 254 to move, and the push rod 254 drives the inch shaft 253 on the tilted side to rotate counterclockwise, and the inch shaft 253 on the tilted side drives the connecting block 258 on the tilted side to move toward the direction close to the long board 251, and the connecting block 258 on the tilted side drives the long board 251 to rotate clockwise, and the long board 251 drives the clamping device 27 to rotate clockwise, so that the arc template remains horizontal.

[0040] When the arc template moves to the top of the steel skeleton, the second drive motor is controlled to start, the second drive motor drives the second winding wheel to rotate, and the second steel cable 4 on the second winding wheel drives the traction device 2 to descend. When the automatic positioning device 26 enters the interior of the steel skeleton, the cylinder rod of the control cylinder 262 is extended, and the cylinder rod drives the cylinder 2632 to move forward. The spiral block 2636 on the cylinder 2632 slides in the spiral groove of the slide plate 2634 in the direction away from the cylinder 262, driving the slide plate 2634 to slide in the groove in the direction close to the edge of the disk 2631, and the inclined groove 2635 on the slide plate 2634 moves in the direction close to the edge of the disk 2631, driving the U-shaped block 2633 to slide along the slide rail in the direction away from the center of the disk 2631. When the pressure sensors on one or two of the U-shaped blocks 2633 contact the steel skeleton, the crane 1 is controlled to move the traction device 2 until the inner wall of the steel skeleton contacts the three pressure sensors at the same time, and the cylinder 262 is controlled to stop moving to complete the centering.

[0041] When the axes of the arc template and the steel skeleton are in the same straight line, the second drive motor is controlled to start, the arc template is placed on the ground, the first drive motor is controlled to start, the first motor drives the first winding wheel to rotate, the first winding wheel drives the first steel cable 3 to move downward, the first steel cable 3 drives the first limit block 222 to move, the first limit block 222 drives the cylinder 221 to move, the cylinder 221 drives the second limit block 223 to move, the second limit block 223 drives the connecting rod 271 to rotate, the connecting rod 271 drives the rotating shaft three to move in the direction close to the third limit block 257, the rotating shaft three drives the third mounting block 274 to move, the third mounting block 274 drives the short plate 272 to move, the short plate 272 drives the slide groove 273 to slide on the track 256, the short plate 272 drives the L-shaped block 275 to move, the L-shaped block 275 drives the arc clamp 276 to move, the arc template is released, and the crane 1 is controlled to move the traction device 2 to the initial position.

[0042] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An arc-shaped template traction device with automatic positioning function, characterized in that: The arc template traction device comprises a crane (1), a first drive motor, a second drive motor, a first winding wheel, a second winding wheel, a first steel cable (3) and a second steel cable (4) are installed on the body of the crane (1), the output end of the first drive motor is installed on the first winding wheel, the second drive motor is installed on the second winding wheel, one end of the first steel cable (3) is installed on the first winding wheel, the other end of the first steel cable (3) is installed with a traction device (2), one end of the second steel cable (4) is installed on the second winding wheel, the other end of the second steel cable (4) is installed on the traction device (2), and the first drive motor and the second drive motor are connected to a control system.

2. The arc-shaped template traction device with automatic positioning function according to claim 1 is characterized in that: The traction device (2) comprises a fixed block (21), one end of the second steel cable (4) is mounted on the fixed block (21), a through slot is provided on one side of the fixed block (21), a sliding block (22) is slidably connected in the through slot, a clamping device (27) is rotatably connected to one side of the sliding block (22), a connecting plate (23) is installed on one side of the fixed block (21), one end of the connecting plate (23) is connected to an inclined plate (24), one end of the inclined plate (24) is connected to a transverse plate (28), an anti-deviating device (25) is installed on one end of the transverse plate (28), an automatic positioning device (26) is installed between the two transverse plates (28), and the clamping device (27) slides on the anti-deviating device (25).

3. The arc-shaped template traction device with automatic positioning function according to claim 2 is characterized in that: The sliding block (22) comprises a cylinder (221), one end of the cylinder (221) is connected to a first limit block (222), one end of the first steel cable (3) is mounted on the first limit block (222), the other end of the cylinder (221) is mounted to a second limit block (223), the outer side of the second limit block (223) is connected to a first mounting block (224), a rotating shaft (1) is mounted between the two first mounting blocks (224), and the clamping device (27) rotates on the rotating shaft (1).

4. The arc-shaped template traction device with automatic positioning function according to claim 3 is characterized in that: The anti-deviating device (25) comprises a long plate (251), wherein the long plate (251) is connected to one end of the transverse plate (28), a second mounting block (252) is connected to the long plate (251), a second rotating shaft (253) is installed between the two second mounting blocks (252), an inch shaft (253) is rotatably connected to the second rotating shaft, one side of the inch shaft (253) is rotatably connected to a connecting block (258), one side of the inch shaft (253) is rotatably connected to a push rod (254), one end of the connecting block (258) is connected to a track (256), one end of the track (256) is connected to a third limiting block (257), one side of the track (256) is connected to a fixing plate (255), and one end of the fixing plate (255) is connected to the automatic positioning device (26).

5. The arc-shaped template traction device with automatic positioning function according to claim 4 is characterized in that: The automatic positioning device (26) comprises a first straight plate (261) and a second straight plate (264), one end of the first straight plate (261) is connected to the transverse plate (28), a cylinder (262) is installed on one side of the first straight plate (261), a centering device (263) is installed on the cylinder rod of the cylinder (262), one end of the second straight plate (264) is connected to the long plate (251), a mounting groove is opened on one side of the second straight plate (264), a centering device (263) is installed in the mounting groove, and the cylinder (262) is connected to a control system.

6. The arc-shaped template traction device with automatic positioning function according to claim 5, characterized in that: The centering device (263) comprises a disk (2631) and a slide plate (2634). The disk (2631) is installed in the installation groove of the second straight plate (264). The disk (2631) is provided with a sliding groove, a groove and a slide rail. A cylinder (2632) is slidably connected in the middle of the disk (2631). The cylinder (2632) is coaxial with the disk (2631). A spiral block (2636) is provided on the outer surface of the cylinder (2632). The spiral block (2636) slides in the sliding groove. One side of the cylinder (2632) is connected to the cylinder rod of the cylinder (262), one side of the slide plate (2634) slides on the groove, the spiral block (2636) slides on the spiral groove of the slide plate (2634), one side of the slide plate (2634) is provided with an inclined groove (2635), a U-shaped block (2633) is slidably connected to the slide rail, the U-shaped block (2633) slides in the inclined groove (2635), a pressure sensor is installed on the outer side of the U-shaped block (2633), and the pressure sensor is connected to the control system.

7. The arc-shaped template traction device with automatic positioning function according to claim 6, characterized in that: The clamping device (27) comprises a short plate (272), one side of the short plate (272) is connected to a third mounting block (274), a rotating shaft three is installed between the two third mounting blocks (274), a connecting rod (271) is rotatably connected to the rotating shaft three, the other end of the connecting rod (271) rotates on the rotating shaft two, one end of the short plate (272) is connected to a sliding groove (273), the sliding groove (273) slides on the track (256), one side of the short plate (272) is connected to an L-shaped block (275), and one end of the L-shaped block (275) is connected to an arc-shaped clamp (276).

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