Box girder end form stripping equipment

Abstract

The utility model discloses a box girder end mould stripping device which comprises a machine frame, the bottom end of the machine frame is fixedly connected with an action mechanism, one side of the machine frame is movably connected with an installation box, the center line of the installation box and the center line of the machine frame are located on the same vertical plane, and one side of the installation box is provided with a connecting structure used for fast mould stripping. According to the box girder end head mold removing equipment, the connecting cylinder is arranged, during mold removing, a hydraulic rod is started to insert the connecting cylinder into a through hole preset in a box girder end head, after the connecting cylinder penetrates through the end head, a volute spring outside a positioning shaft pushes a movable inclined plate to pop out, and the movable inclined plate is attached to one side of the end head; and then the hydraulic rods are started to pull the connecting cylinders to move towards one side, the connecting cylinders pull the end heads through the movable inclined plates, damage to the end heads during mold removal can be reduced through the mode that the two sets of connecting cylinders are pulled in a balanced and symmetrical mode, and the problem that the end heads are prone to being damaged during mold removal is solved.

Description

Technical Field

[0001] This utility model relates to the field of demolding equipment technology, specifically a demolding device for the end of a box girder. Background Technology

[0002] Box girders are common structural components in modern bridge construction. Prefabricated box girders can be quickly assembled and erected during construction, thereby accelerating the construction efficiency of bridges. The box girder structure generally consists of the main body of the box girder and the ends at both ends. The ends are prefabricated using molds. After molding, the molds need to be removed and inserted to assemble with the box girder.

[0003] However, the current method of dismantling the box girder ends is done manually. This method is not only inefficient, but also easily damages the box girder ends, making it impossible to guarantee the integrity of the ends, thus affecting subsequent assembly and construction.

[0004] A novel box girder end formwork removal device is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a box girder end demolding device to solve the problem mentioned in the background art that the end is easily damaged during demolding.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a box girder end formwork removal device, including a frame, a moving mechanism fixedly connected to the bottom end of the frame, a mounting box movably connected to one side of the frame, the center line of the mounting box and the center line of the frame being on the same vertical plane, and a connecting structure for quick formwork removal provided on one side of the mounting box;

[0007] The connecting structure includes a mounting plate. A set of mounting plates is movably connected to both ends of one side of the mounting box. A hydraulic rod is fixedly connected to one side of the mounting plate. A connecting cylinder is fixedly connected to the output end of the hydraulic rod. A fixed shaft is fixedly connected inside the connecting cylinder. A movable sleeve is movably connected to the outside of the fixed shaft. A return spring is fixedly connected to one side of the movable sleeve. Two sets of mounting plates are fixedly connected to both ends of the movable sleeve. A baffle is fixedly connected to one side of one end of each mounting plate. A positioning shaft is fixedly connected to one end of each mounting plate. A coil spring is fixedly connected to the outside of the positioning shaft. A connecting sleeve is movably connected to one end of each mounting plate. A movable inclined plate is fixedly connected to one side of the connecting sleeve.

[0008] As a further technical solution of this utility model, the movable inclined plate is movably connected to the baffle, and the spiral spring is fixedly connected to the connecting sleeve.

[0009] As a further technical solution of this utility model, the reset spring is fixedly connected to the connecting cylinder, and the center line of the connecting cylinder and the center line of the hydraulic rod are on the same vertical plane.

[0010] As a further technical solution of this utility model, a hydraulic cylinder is fixedly connected to the bottom of the machine frame, a lifting seat is fixedly connected to the output end of the hydraulic cylinder, a limiting slide is fixedly connected to one side of the lifting seat, a lifting groove is opened on one side of the machine frame, and a connecting block is fixedly connected to one side of the limiting slide.

[0011] As a further technical solution of this utility model, the connecting block is fixedly connected to the mounting box through the lifting groove, and the limiting slide is slidably connected to the frame.

[0012] As a further technical solution of this utility model, the mounting box is internally connected to a bidirectional lead screw, one end of the mounting box is fixedly connected to a servo motor, the mounting plate passes through one side of the mounting box and is fixedly connected to a connecting plate, and one end of the connecting plate is fixedly connected to a threaded sleeve.

[0013] As a further technical solution of this utility model, the threaded sleeve is threadedly connected to the bidirectional lead screw, and the output end of the servo motor is fixedly connected to the bidirectional lead screw.

[0014] As a further technical solution of this utility model, the center line of the threaded sleeve and the center line of the bidirectional lead screw are on the same vertical plane, and the connecting plate is slidably connected to the mounting box.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the box girder end demolding equipment not only prevents damage to the end during demolding and allows for adjustment of the device height according to the end height, but also adapts to end sizes.

[0016] (1) By setting up a connecting cylinder, hydraulic rod, return spring, mounting plate, baffle, movable inclined plate, fixed shaft, worm spring, positioning shaft, connecting sleeve and movable sleeve, when demolding, the hydraulic rod is started to insert the connecting cylinder into the preset through hole on the end of the box beam. After the connecting cylinder passes through the end, the worm spring outside the positioning shaft pushes the movable inclined plate to pop out, so that the movable inclined plate fits against one side of the end. Then the hydraulic rod is started to pull the connecting cylinder to one side. The connecting cylinder then pulls the end through the movable inclined plate. By using the balanced and symmetrical pulling method of the two sets of connecting cylinders, the damage to the end during demolding can be reduced, thus avoiding damage to the end during demolding.

[0017] (2) By setting up a hydraulic cylinder, lifting seat, limit slide plate, lifting groove, mounting box and connecting block, before demolding, start the hydraulic cylinder inside the frame to push the lifting seat to rise. The lifting seat drives the mounting box on one side to rise through the connecting block. The mounting box drives the connecting structure on one side to rise. According to the position of the through hole on the end, the connecting cylinder is raised to a suitable height. The limit slide plate on one side of the lifting seat fits against one side inside the frame to limit the mounting box, so as to ensure the stability during demolding and lifting. The device height can be adjusted according to the needs.

[0018] (3) By setting up an installation box, an installation plate, a threaded sleeve, a connecting plate, a bidirectional lead screw and a servo motor, before demolding, the servo motor at one end of the installation box is started to drive the bidirectional lead screw to rotate. At the same time, the bidirectional lead screw rotates and drives the connecting plates at both ends to move synchronously through the threaded sleeve. The connecting plate then drives the connecting structure on one side to move through the installation plate. The connecting sleeve is adjusted to a suitable distance according to the through hole position of different sized ends, so as to facilitate demolding of ends of different sizes. This realizes that demolding of ends of different sizes can be performed. Attached Figure Description

[0019] Figure 1 This is a frontal cross-sectional view of the present invention.

[0020] Figure 2 This is a top sectional view of the mounting box of this utility model.

[0021] Figure 3 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0022] Figure 4 This is an enlarged side view cross-sectional schematic diagram of the connecting cylinder of this utility model.

[0023] In the diagram: 1. Frame; 2. Hydraulic cylinder; 3. Lifting seat; 4. Limiting slide plate; 5. Lifting groove; 6. Mounting box; 7. Connecting cylinder; 8. Hydraulic rod; 9. Mounting plate; 10. Connecting block; 11. Moving mechanism; 12. Threaded sleeve; 13. Connecting plate; 14. Bidirectional lead screw; 15. Servo motor; 16. Return spring; 17. Mounting plate; 18. Baffle; 19. Movable inclined plate; 20. Fixed shaft; 21. Worm spring; 22. Positioning shaft; 23. Connecting sleeve; 24. Movable sleeve. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example: Please refer to Figure 1-4 A box girder end demolding device includes a frame 1, a moving mechanism 11 fixedly connected to the bottom end of the frame 1, and a mounting box 6 movably connected to one side of the frame 1. The center line of the mounting box 6 is on the same vertical plane as the center line of the frame 1, and a connecting structure for quick demolding is provided on one side of the mounting box 6.

[0026] The connecting structure includes a mounting plate 9. A set of mounting plates 9 are movably connected to both ends of one side of the mounting box 6. A hydraulic rod 8 is fixedly connected to one side of the mounting plate 9. A connecting cylinder 7 is fixedly connected to the output end of the hydraulic rod 8. A fixed shaft 20 is fixedly connected inside the connecting cylinder 7. A movable sleeve 24 is movably connected to the outside of the fixed shaft 20. A return spring 16 is fixedly connected to one side of the movable sleeve 24. Two sets of mounting plates 17 are fixedly connected to both ends of the movable sleeve 24. A baffle 18 is fixedly connected to one side of one end of the mounting plate 17. A positioning shaft 22 is fixedly connected to one end of the mounting plate 17. A worm spring 21 is fixedly connected to the outside of the positioning shaft 22. A connecting sleeve 23 is movably connected to one end of the mounting plate 17. A movable inclined plate 19 is fixedly connected to one side of the connecting sleeve 23.

[0027] The movable inclined plate 19 is movably connected to the baffle 18, and the spiral spring 21 is fixedly connected to the connecting sleeve 23.

[0028] The return spring 16 is fixedly connected to the connecting cylinder 7, and the center line of the connecting cylinder 7 and the center line of the hydraulic rod 8 are on the same vertical plane.

[0029] Specifically, such as Figure 1 , Figure 3 and Figure 4 As shown, during demolding, the hydraulic rod 8 is activated to insert the connecting cylinder 7 into the pre-set through hole on the end of the box girder. After the connecting cylinder 7 passes through the end, the worm spring 21 outside the positioning shaft 22 pushes the movable inclined plate 19 to pop out, so that the movable inclined plate 19 fits against one side of the end. Then, the hydraulic rod 8 is activated to pull the connecting cylinder 7 to one side. The connecting cylinder 7 then pulls the end through the movable inclined plate 19. By using the balanced and symmetrical pulling method of the two sets of connecting cylinders 7, the damage to the end during demolding can be reduced, thus avoiding damage to the end during demolding.

[0030] A hydraulic cylinder 2 is fixedly connected to the bottom of the machine frame 1. A lifting seat 3 is fixedly connected to the output end of the hydraulic cylinder 2. A limit slide plate 4 is fixedly connected to one side of the lifting seat 3. A lifting groove 5 is opened on one side of the machine frame 1. A connecting block 10 is fixedly connected to one side of the limit slide plate 4.

[0031] The connecting block 10 passes through the lifting groove 5 and is fixedly connected to the mounting box 6, while the limiting slide plate 4 is slidably connected to the frame 1.

[0032] Specifically, such as Figure 1 As shown, before demolding, the hydraulic cylinder 2 inside the frame 1 is activated to push the lifting seat 3 to rise. The lifting seat 3 drives the mounting box 6 on one side to rise through the connecting block 10. The mounting box 6 drives the connecting structure on one side to rise. According to the position of the through hole on the end, the connecting cylinder 7 is raised to a suitable height. The limiting slide plate 4 on one side of the lifting seat 3 fits against one side inside the frame 1 to limit the mounting box 6, so as to ensure the stability during demolding and lifting. This allows the device height to be adjusted according to needs.

[0033] The mounting box 6 is internally connected to a bidirectional lead screw 14. One end of the mounting box 6 is fixedly connected to a servo motor 15. The mounting plate 9 passes through one side of the mounting box 6 and is fixedly connected to a connecting plate 13. One end of the connecting plate 13 is fixedly connected to a threaded sleeve 12.

[0034] The threaded sleeve 12 is threadedly connected to the bidirectional lead screw 14, and the output end of the servo motor 15 is fixedly connected to the bidirectional lead screw 14.

[0035] The centerline of the threaded sleeve 12 and the centerline of the double-acting screw 14 are on the same vertical plane, and the connecting plate 13 is slidably connected to the mounting box 6.

[0036] Specifically, such as Figure 1 and Figure 2 As shown, before demolding, the servo motor 15 at one end of the mounting box 6 is started to drive the bidirectional lead screw 14 to rotate. At the same time, the bidirectional lead screw 14 rotates and drives the connecting plates 13 at both ends to move synchronously through the threaded sleeve 12. The connecting plate 13 then drives the connecting structure on one side to move through the mounting plate 9. The connecting sleeve 7 is adjusted to a suitable distance according to the through hole position of different sized ends, so as to facilitate demolding of ends of different sizes. This realizes that demolding of ends of different sizes can be performed.

[0037] Working Principle: In use, before demolding, the hydraulic cylinder 2 inside the frame 1 is activated to lift the lifting seat 3. The lifting seat 3, through the connecting block 10, lifts the mounting box 6 on one side. The mounting box 6 then lifts the connecting structure on one side. Based on the position of the through hole at the end, the connecting cylinder 7 is raised to a suitable height. The limiting slide plate 4 on one side of the lifting seat 3 fits against one side inside the frame 1, limiting the mounting box 6 to ensure stability during demolding and lifting. Then, the servo motor 15 at one end of the mounting box 6 is activated to rotate the bidirectional lead screw 14. Simultaneously, the bidirectional lead screw 14 rotates, driving the connecting plates 13 at both ends to move synchronously through the threaded sleeve 12. The connecting plate 13 then moves the connecting structure on one side through the mounting plate 9. The connecting cylinder 7 is adjusted to a suitable distance according to the through hole position of different sized ends to facilitate demolding of ends of different sizes. When demolding, the hydraulic rod 8 is activated to insert the connecting cylinder 7 into the preset through hole on the box girder end. After the connecting cylinder 7 passes through the end, the worm spring 21 outside the positioning shaft 22 pushes the movable inclined plate 19 to pop out, so that the movable inclined plate 19 fits against one side of the end. Then, the hydraulic rod 8 is activated to pull the connecting cylinder 7 to one side. The connecting cylinder 7 then pulls the end through the movable inclined plate 19. The balanced and symmetrical pulling of the two sets of connecting cylinders 7 can reduce the damage to the end when demolding.

Claims

1. A box girder end formwork removal device, comprising a frame (1), characterized in that: The bottom end of the frame (1) is fixedly connected to an action mechanism (11), and a mounting box (6) is movably connected to one side of the frame (1). The center line of the mounting box (6) and the center line of the frame (1) are on the same vertical plane. A connection structure for quick demolding is provided on one side of the mounting box (6). The connection structure includes a mounting plate (9). A set of mounting plates (9) are movably connected to both ends of one side of the mounting box (6). A hydraulic rod (8) is fixedly connected to one side of the mounting plate (9). A connecting cylinder (7) is fixedly connected to the output end of the hydraulic rod (8). A fixed shaft (20) is fixedly connected inside the connecting cylinder (7). A movable sleeve (24) is movably connected to the outside of the fixed shaft (20). A return spring (16) is fixedly connected to one side of the movable sleeve (24). Two sets of mounting pieces (17) are fixedly connected to both ends of the movable sleeve (24). A baffle (18) is fixedly connected to one side of one end of the mounting piece (17). A positioning shaft (22) is fixedly connected to one end of the mounting piece (17). A worm spring (21) is fixedly connected to the outside of the positioning shaft (22). A connecting sleeve (23) is movably connected to one end of the mounting piece (17). A movable inclined plate (19) is fixedly connected to one side of the connecting sleeve (23).

2. The box girder end formwork removal device according to claim 1, characterized in that: The movable inclined plate (19) is movably connected to the baffle (18), and the spiral spring (21) is fixedly connected to the connecting sleeve (23).

3. The box girder end formwork removal device according to claim 1, characterized in that: The reset spring (16) is fixedly connected to the connecting cylinder (7), and the center line of the connecting cylinder (7) and the center line of the hydraulic rod (8) are on the same vertical plane.

4. The box girder end formwork removal device according to claim 1, characterized in that: A hydraulic cylinder (2) is fixedly connected to the bottom of the frame (1). A lifting seat (3) is fixedly connected to the output end of the hydraulic cylinder (2). A limiting slide plate (4) is fixedly connected to one side of the lifting seat (3). A lifting groove (5) is opened on one side of the frame (1). A connecting block (10) is fixedly connected to one side of the limiting slide plate (4).

5. The box girder end formwork removal device according to claim 4, characterized in that: The connecting block (10) passes through the lifting groove (5) and is fixedly connected to the mounting box (6), and the limiting slide plate (4) is slidably connected to the frame (1).

6. The box girder end formwork removal device according to claim 1, characterized in that: The mounting box (6) is internally connected to a two-way lead screw (14), and a servo motor (15) is fixedly connected to one end of the mounting box (6). The mounting plate (9) passes through one side of the mounting box (6) and is fixedly connected to a connecting plate (13). A threaded sleeve (12) is fixedly connected to one end of the connecting plate (13).

7. A box girder end formwork removal device according to claim 6, characterized in that: The threaded sleeve (12) is threadedly connected to the bidirectional lead screw (14), and the output end of the servo motor (15) is fixedly connected to the bidirectional lead screw (14).

8. The box girder end formwork removal device according to claim 6, characterized in that: The centerline of the threaded sleeve (12) and the centerline of the bidirectional lead screw (14) are on the same vertical plane, and the connecting plate (13) is slidably connected to the mounting box (6).

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