Clamp for transverse movement based on prefabricated box girder

Abstract

The utility model belongs to the field of transverse movement of prefabricated box girders, particularly relates to a clamp for transverse movement of a prefabricated box girder, and provides the following scheme aiming at the problems that when an existing lifting appliance is used, the contact area between the lifting appliance and the box girder is small, the box girder is easy to damage during lifting, and the safety is poor, the clamp comprises a lifting rope and the box girder positioned below the lifting rope, the bottom of the lifting rope is fixedly provided with a lifting hook, two ends of the box girder are respectively provided with two lifting mechanisms, each lifting mechanism comprises a lifting beam and a through hole pre-formed in the top of the box girder, and the lifting beam is C-shaped. According to the lifting device disclosed by the utility model, the stressed area during lifting is increased by utilizing the inserting plate, the box girder is prevented from being damaged during lifting, and the lifting safety is improved; meanwhile, after a first nut at the bottom is loosened downwards, a second nut and a second cushion block are stressed, so that the angle of the lifting beam is changed, the bottom of the lifting beam can buckle the box beam, the danger of falling is avoided, double insurance is achieved, and the use safety is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transverse movement of prefabricated box beams, in particular to a clamp used for transverse movement of prefabricated box beams. Background Art

[0002] A precast box girder is a beam that is prefabricated in a factory and then installed on the construction site. Commonly used in bridge construction, it has a hollow structure with flanges on either side, resembling a box, hence the name. Precast box girders can be categorized into two main types: precast reinforced concrete box girders and steel box girders.

[0003] Due to the large size of prefabricated box girders, a large gantry crane is required to move them during the on-site movement, so a hoist is needed. The existing hoist has a small contact area with the box girder when in use, which can easily damage the box girder during lifting, and the safety is poor. Therefore, a clamp for the transverse movement of prefabricated box girders is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the existing technology that the existing hoisting tools have a small contact area with the box beam when in use, which easily damages the box beam during hoisting and has poor safety. A clamp for the transverse movement of prefabricated box beams is proposed.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The lifting mechanism is a pair of fixedly mounted on two ends of the lifting link, and the lifting mechanism is a pair of fixedly mounted on two ends of the lifting link.

[0007] As a further solution of the present invention, two limiting blocks are fixedly connected to the bottom of one end of the plug board.

[0008] As a further solution of the present invention, one end of the inserting plate is fixedly connected to a positioning block, one side of the positioning block is rotatably connected to a penetrating fixing bolt, and the fixing bolt is threadedly connected to the hanging beam.

[0009] As a further solution of the present invention, a reinforcement block is fixedly connected to the corner of the top of the suspension beam.

[0010] As a further solution of the present invention, the circumference of the suspension rod is fixedly connected with a limit ring, and the limit ring is located above the suspension beam.

[0011] As a further solution of the present invention, a rubber pad is bonded to the surface of the plug board.

[0012] When the yoke is in use, the first step is to install and fix the lifting mechanism, insert the lifting rod into the lifting beam, then put the second pad on the lifting rod, insert the lifting rod into the through hole, and then push the plug plate so that the lifting rod is in the avoidance groove, rotate the fixing bolt, fix the plug plate through the fixing bolt, and finally put the first pad on the lifting rod and clamp it with the first nut. When lifting, pass the hook through the lifting ring, and then lift and move the box beam. During the movement, the plug plate is used to increase the force area during lifting, avoid damage to the box beam during lifting, and improve the safety of lifting. When the first nut at the bottom is loosened downward, the second nut and the second pad are subjected to force, thereby changing the angle of the lifting beam, so that the bottom of the lifting beam can buckle the box beam, avoiding the risk of falling, and providing double insurance, which further improves the safety of use.

[0013] Beneficial effects:

[0014] In the utility model, the clamp for transverse movement of prefabricated box beams is provided with a plug-in plate, so that the plug-in plate is used to increase the force-bearing area during hoisting, thereby preventing the box beam from being damaged during hoisting and improving the safety of hoisting;

[0015] In the present invention, the clamp for transverse movement of prefabricated box beams cooperates with the second spacer and the second nut so that when the first nut at the bottom is loosened downward, the second nut and the second spacer are subjected to force, thereby changing the angle of the hanging beam so that the bottom of the hanging beam can buckle the box beam, avoiding the risk of falling, providing double insurance and further improving the safety of use.

[0016] In the utility model, the plug plate is used to increase the force-bearing area during hoisting, thereby preventing the box beam from being damaged during hoisting and improving the safety of hoisting. At the same time, when the first nut at the bottom is loosened downward, the second nut and the second pad are subjected to force, thereby changing the angle of the hoisting beam, so that the bottom of the hoisting beam can buckle the box beam, avoiding the risk of falling, and providing double insurance, further improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a fixture for transverse movement of prefabricated box beams proposed in the present invention;

[0018] Figure 2 This is a schematic cross-sectional view of a fixture for transverse movement of prefabricated box beams proposed in the present invention;

[0019] Figure 3 The utility model is a partial structural diagram of a clamp for transverse movement of prefabricated box beams.

[0020] In the figure: 1. Box girder; 2. Lifting rope; 3. Lifting hook; 4. Lifting mechanism; 5. Lifting beam; 6. Through hole; 7. Lifting rod; 8. Lifting ring; 9. Reinforcement block; 10. Insert plate; 11. Avoidance groove; 12. First spacer; 13. First nut; 14. Second spacer; 15. Second nut; 16. Limit block; 17. Positioning block; 18. Fixing bolt; 19. Limiting ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Example 1

[0023] Reference Figure 1-Figure 3 , a clamp comprises: a lifting rope 2 and a box beam 1 located below the lifting rope 2, a lifting hook 3 is fixed at the bottom of the lifting rope 2, two lifting mechanisms 4 are provided at both ends of the box beam 1, the lifting mechanism 4 comprises a lifting beam 5 and a through-hole 6 preset at the top of the box beam 1, the lifting beam 5 is C-shaped, the top of the lifting beam 5 is longer than the bottom, which is convenient for connection with the box beam 1, a through-hanging rod 7 is inserted at the top of the lifting beam 5, and a lifting ring 8 used in conjunction with the lifting hook 3 is fixedly connected to the top of the lifting rod 7, a through-hanging plate 10 is inserted at one side of the lifting beam 5, the plug-in plate 10 is used to increase the force-bearing area during lifting, thereby avoiding damage to the box beam 1 during lifting and improving the safety of lifting, and a avoidance groove 1 used in conjunction with the lifting rod 7 is opened at one end of the plug-in plate 10 1. The circumference of the suspension rod 7 is sleeved with a first pad 12, and the first pad 12 is located below the insert plate 10. The circumference of the suspension rod 7 is threadedly connected with a first nut 13, and the first nut 13 is located below the first pad 12. The circumference of the suspension rod 7 is sleeved with a second pad 14, and the second pad 14 is located below the inner wall of the top of the suspension beam 5. The circumference of the suspension rod 7 is threadedly connected with a second nut 15, and the second nut 15 is located below the second pad 14. When the first nut 13 at the bottom is loosened downward, the second nut 15 and the second pad 14 are subjected to force, thereby changing the angle of the suspension beam 5, so that the bottom of the suspension beam 5 can buckle the box beam 1, avoiding the risk of falling, and providing double insurance, thereby further improving the safety of use.

[0024] The present application can be used in the field of transverse movement of prefabricated box girders, and can also be used in other fields applicable to the present application.

[0025] Example 2

[0026] refer to Figure 1-Figure 3 Based on Example 1, a clamp for transverse movement of prefabricated box beams is improved and applied to the field of transverse movement of prefabricated box beams.

[0027] In the present invention, in order to prevent the inserting plate 10 from being pulled out, two limiting blocks 16 are fixedly connected to the bottom of one end of the inserting plate 10 .

[0028] In particular, one end of the inserting plate 10 is fixedly connected to a positioning block 17, and one side of the positioning block 17 is rotatably connected to a penetrating fixing bolt 18, which is threadedly connected to the hanging beam 5. The fixing bolt 18 is moved to fix the inserting plate 10 through the fixing bolt 18 to keep it stable.

[0029] It should be noted that a reinforcement block 9 is fixedly connected to the corner of the top of the hanging beam 5 , and the reinforcement block 9 increases the load-bearing capacity of the hanging beam 5 .

[0030] In the present invention, the circumference of the suspension rod 7 is fixedly connected with a limit ring 19 . The limit ring 19 is located above the suspension beam 5 . The limit ring 19 is used to limit the position of the suspension rod 7 .

[0031] In particular, a rubber pad is bonded to the surface of the inserting plate 10 , and the rubber pad protects the box beam 1 .

[0032] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A clamp for transverse movement of a prefabricated box beam, comprising a lifting rope (2) and a box beam (1) located below the lifting rope (2), wherein a lifting hook (3) is fixed to the bottom of the lifting rope (2), characterized in that: Two lifting mechanisms (4) are provided at both ends of the box beam (1), and the lifting mechanism (4) includes a lifting beam (5) and a through hole (6) preset at the top of the box beam (1). The lifting beam (5) is C-shaped, and a through-hanging rod (7) is inserted at the top of the lifting beam (5), and a lifting ring (8) used in conjunction with the hook (3) is fixedly connected to the top of the lifting rod (7). A through-hanging plate (10) is inserted at one side of the lifting beam (5), and a avoidance groove (11) used in conjunction with the lifting rod (7) is provided at one end of the lifting plate (10). The circumference of the suspension rod (7) is provided with a first pad (12), and the first pad (12) is located below the insert plate (10). The circumference of the suspension rod (7) is connected to a first nut (13), and the first nut (13) is located below the first pad (12). The circumference of the suspension rod (7) is provided with a second pad (14), and the second pad (14) is located below the inner wall of the top of the suspension beam (5). The circumference of the suspension rod (7) is connected to a second nut (15), and the second nut (15) is located below the second pad (14).

2. The fixture for transverse movement of prefabricated box beams according to claim 1 is characterized in that: Two limiting blocks (16) are fixedly connected to the bottom of one end of the plug board (10).

3. The fixture for transverse movement of prefabricated box beams according to claim 1 is characterized in that: One end of the inserting plate (10) is fixedly connected to a positioning block (17), one side of the positioning block (17) is rotatably connected to a penetrating fixing bolt (18), and the fixing bolt (18) is threadedly connected to the hanging beam (5).

4. The fixture for transverse movement of prefabricated box beams according to claim 1 is characterized in that: A reinforcement block (9) is fixedly connected to the corner of the top of the suspension beam (5).

5. The fixture for transverse movement of prefabricated box beams according to claim 1 is characterized in that: The circumference of the suspension rod (7) is fixedly connected to a limiting ring (19), and the limiting ring (19) is located above the suspension beam (5).

6. The fixture for transverse movement of prefabricated box beams according to claim 1, characterized in that: A rubber pad is bonded to the surface of the inserting plate (10).

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