Bridge stand column dismantling device
By using cylinders and limit groove mechanisms in the bridge column removal device, the movement of the push block is controlled, and the problem of difficult to control the tilt direction of the bridge column during the demolition process is solved, and the stable dumping and safe removal of the bridge columns are achieved.
Patent Information
- Application Number
- CN202420632733.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-29
AI Technical Summary
During the demolition process of bridge columns, the tilt direction is difficult to control after the steel bars are blasted, resulting in unstable demolition.
A bridge column removal device is designed, including a base, guide and positioning components, which control the movement of the push block through the cylinder and limiting groove mechanism to ensure that the bridge column can be stably poured into the designated direction during the cutting process.
The tilt direction of the bridge column is effectively controlled, the tilt deviation caused by the gap between the positioning seat and the column is avoided, and the safety and stability of the demolition process are improved.
Smart Images
Figure CN222139823U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge construction, in particular to a bridge column dismantling device. Background Art
[0002] The bridge column is part of the bridge structure, and its main function is to bear the bridge load and transfer it to the foundation. The bridge column is generally made of concrete or steel. The structural form of the bridge column varies, and it can be rectangular, circular or other shapes.
[0003] For example, a pier-column highway bridge column removal device with announcement number CN212128896U includes a main body, movable wheels are rotatably installed at the front and rear ends of the lower end of the main body, and a slide groove is fixedly installed at the front and rear sides of the removal opening at the upper end of the main body, a slider is movably installed at the upper end of the slide groove, and a rotating seat is fixedly installed at the upper end of the slider. The pier-column highway bridge column removal device can rotate the fixed rod and the lifting rod along the column downward direction after the column is removed by installing a rotating seat, and play a protective role, thereby greatly improving the safety of column removal.
[0004] In the prior art, since bridge columns need to be blasted first during the demolition process, the steel bars inside the bridge are cut after being blasted, and the falling direction of the bridge columns is difficult to control. Utility Model Content
[0005] In view of the problem that the steel bars inside the existing bridges are blasted and then cut, which makes it difficult to control the toppling direction of the bridge columns, the present utility model is proposed.
[0006] Therefore, the utility model aims to provide a bridge column dismantling device, the purpose of which is to push the bridge column while cutting the internal steel bars of the bridge column, so that the bridge column falls toward a specified direction.
[0007] To solve the above technical problems, the utility model provides the following technical solutions: a bridge column dismantling device comprises a base, a guide component is provided on the upper side of the base, a positioning component is provided on the outer side of the base, the guide component comprises a positioning seat fixedly connected to the top end of the base, a first movable groove is provided on one side of the positioning seat, a first pushing block is slidably connected in the first movable groove, the first pushing block is sleeved on the outer wall of the second pushing block, one side of the second pushing block is fixedly connected to an end corresponding to the cylinder, the cylinder is arranged inside the positioning seat, first limiting grooves are provided on both sides of the second pushing block, second limiting grooves are provided on both sides of the first pushing block, the two first limiting grooves are respectively connected to the two second limiting grooves, the same limiting block is movably connected in the adjacent first limiting grooves and the second limiting grooves, and a magnetic block is fixedly connected on the sides away from each other.
[0008] As a preferred solution of the bridge column removal device described in the utility model, wherein: second movable grooves are opened on both sides of the positioning seat, and metal blocks are movably connected in the two second movable grooves, and the opposite surfaces of the two metal blocks are respectively adsorbed on the ends of the two magnetic blocks away from each other, and the two metal blocks are respectively sleeved on the outer walls of the two impact rods, and one end of the opposite surfaces of the two impact rods are respectively overlapped with the ends of the two magnetic blocks away from each other to separate the metal blocks from the magnetic blocks.
[0009] As a preferred solution of the bridge column removal device described in the utility model, the shape of the first movable groove is adapted to the shape of the first pushing block, and the second movable groove is connected to the first limiting groove and the second limiting groove to ensure smooth movement of the first pushing block.
[0010] As a preferred solution of the bridge column removal device described in the utility model, the positioning component includes a counterweight box fixedly connected to the top of the base, a counterweight block is arranged in the counterweight box, and two cutting devices are arranged inside the positioning seat to counterweight the base.
[0011] As a preferred solution of the bridge column removal device of the utility model, a slide groove is provided at the bottom end of the base, a slide plate is slidably connected in the slide groove, and the shape of the slide groove is matched with the shape of the slide plate to guide the slide plate.
[0012] As a preferred solution of the bridge column removal device of the utility model, two electric push rods are fixedly connected to the bottom end of the slide plate, and the bottom ends of the two electric push rods are fixedly connected to trays to support the base.
[0013] As a preferred solution of the bridge column removal device of the utility model, the top end of the base is threadedly connected with two bolts, and the two bolts pass through the base and are threadedly connected to the top end of the slide plate to lock the slide plate.
[0014] Beneficial effects of the utility model:
[0015] 1. By holding the metal block and the striker and pressing the metal block, the metal block will be separated from the magnetic block, and the limit block will lose its restriction. Then the cylinder will be started to push the second push block, and the first push block will also move in the first movable groove with the second push block. After directly pulling the striker, the striker will pull the limit block out of the first limit groove through the magnetic block, so that the cylinder can directly push the second push block, which is convenient for controlling the first push block and the second push block according to the shape of the bridge column to avoid the bridge column from being offset in the inclination direction due to the gap between the bridge column and the positioning seat, so that the inclination direction of the bridge column can be controlled.
[0016] 2. By placing the counterweight block inside the counterweight box, and connecting the slide plate to the slide slot under the base and locking it with bolts, after starting the electric push rod to push the tray downward, the two trays will support both sides of the base, making it convenient to counterweight the base to ensure the stability of the base when guiding the bridge column, and also making it convenient to support both sides of the base, thereby reducing the possibility of the base tilting to both sides. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0018] Figure 1 The utility model is a schematic diagram of the overall structure of the bridge column removal device.
[0019] Figure 2 It is a cross-sectional three-dimensional structural schematic diagram of the bridge column removal device of the utility model.
[0020] Figure 3 It is a schematic cross-sectional three-dimensional structural diagram of a positioning seat of a bridge column removal device of the utility model.
[0021] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the second pushing block of the bridge column removal device of the utility model.
[0022] Description of reference numerals:
[0023] 1. Base; 2. Guide component; 21. Positioning seat; 22. First push block; 23. Second push block; 24. Cylinder; 25. First limit slot; 26. Second limit slot; 27. First movable slot; 28. Limit block; 29. Magnetic block; 3. Metal block; 4. Impact rod; 5. Second movable slot; 6. Positioning component; 61. Counterweight box; 62. Counterweight block; 63. Cutting equipment; 64. Slide; 65. Slide plate; 66. Bolt; 67. Electric push rod; 68. Tray. DETAILED DESCRIPTION
[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0025] Example 1
[0026] Reference Figure 1-4 , which is the first embodiment of the utility model, provides a bridge column removal device, the bridge column removal device comprises a base 1, a guide component 2 is provided on the upper side of the base 1, a positioning component 6 is provided on the outer side of the base 1, the guide component 2 comprises a positioning seat 21 fixedly connected to the top of the base 1, a first movable groove 27 is provided on one side of the positioning seat 21, a first push block 22 is slidably connected in the first movable groove 27, the first push block 22 is sleeved on the outer wall of the second push block 23, one side of the second push block 23 is fixedly connected to one end corresponding to the cylinder 24, the cylinder 24 is arranged inside the positioning seat 21, first limiting grooves 25 are provided on both sides of the second push block 23, second limiting grooves 26 are provided on both sides of the first push block 22, two first limiting grooves 25 are respectively connected to two second limiting grooves 26, the same limiting block 28 is movably connected in the adjacent first limiting grooves 25 and second limiting grooves 26, and a magnetic block 29 is fixedly connected to the side away from the two limiting blocks 28.
[0027] Second movable grooves 5 are provided on both sides of the positioning seat 21, and metal blocks 3 are movably connected in the two second movable grooves 5. The opposite surfaces of the two metal blocks 3 are respectively adsorbed on the ends away from the two magnetic blocks 29. The two metal blocks 3 are respectively sleeved on the outer walls of the two impact rods 4, and the ends of the opposite surfaces of the two impact rods 4 are respectively overlapped with the ends away from the two magnetic blocks 29. The shape of the first movable groove 27 is adapted to the shape of the first pushing block 22, and the second movable grooves 5 are connected to the first limiting groove 25 and the second limiting groove 26.
[0028] During use, the base 1 drives the positioning seat 21 to lean against the bridge column and wrap the bridge column. When the bridge column is cylindrical, hold the metal block 3 and the impact rod 4, and press the metal block 3. As the metal block 3 slides inside the second movable groove 5, the metal block 3 will gradually break away from the magnetic block 29. At this time, the limit block 28 will lose the restriction brought by the metal block 3 and the magnetic adsorption. Then start the cylinder 24 to push the second push block 23. The first limit grooves 25 on both sides of the second push block 23 are connected with the second limit grooves 26 on both sides of the first push block 22, and the adjacent first limit grooves 25 and the second limit grooves 26 are provided with the same limit grooves. Block 28, so that after the second push block 23 is pushed, the first push block 22 will also follow the second push block 23 to move in the first movable groove 27, and finally push the circular bridge column. When the bridge column is rectangular, the impact rod 4 can be directly pulled so that the impact rod 4 can pull the limit block 28 out of the first limit groove 25 through the magnetic block 29, so that the cylinder 24 can directly push the second push block 23, which is convenient for controlling the first push block 22 and the second push block 23 according to the shape of the bridge column, so as to avoid the bridge column The tilt direction of the bridge column is offset due to the gap between the bridge column and the positioning seat 21, so that the tilt direction of the bridge column can be controlled.
[0029] Example 2
[0030] Reference Figure 1-2 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:
[0031] The positioning component 6 includes a counterweight box 61 fixedly connected to the top of the base 1, a counterweight block 62 is arranged in the counterweight box 61, two cutting devices 63 are arranged inside the positioning seat 21, a slide groove 64 is opened at the bottom end of the base 1, a slide plate 65 is slidably connected in the slide groove 64, the shape of the slide groove 64 is adapted to the shape of the slide plate 65, two electric push rods 67 are fixedly connected to the bottom end of the slide plate 65, the bottom ends of the two electric push rods 67 are fixedly connected to the tray 68, the top end of the base 1 is threadedly connected to two bolts 66, and the two bolts 66 pass through the base 1 and are threadedly connected to the top of the slide plate 65.
[0032] During use, after the bridge column is wrapped in the positioning seat 21, the two cutting devices 63 inside the positioning seat 21 will cut the bridge column. Before cutting the bridge column, the counterweight block 62 needs to be placed inside the counterweight box 61, and the slide plate 65 is connected to the slide groove 64 under the base 1, and then the slide plate 65 is locked by the bolt 66, and then the electric push rod 67 is started to push the tray 68 downward. When the tray contacts the ground, the two trays 68 will support both sides of the base 1, which is convenient for counterweighting the base 1 to ensure the stability of the base 1 when guiding the bridge column. At the same time, it is also convenient to support both sides of the base 1, thereby reducing the possibility of the base 1 tilting to both sides.
[0033] The remaining structures are the same as those of Example 1.
[0034] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A bridge column removal device, comprising a base (1), Features: A guide component (2) is provided on the upper side of the base (1), and a positioning component (6) is provided on the outer side of the base (1). The guide component (2) comprises a positioning seat (21) fixedly connected to the top end of the base (1), and a first movable groove (27) is provided on one side of the positioning seat (21). A first push block (22) is slidably connected in the first movable groove (27). The first push block (22) is sleeved on the outer wall of the second push block (23), and one side of the second push block (23) is fixed to one end corresponding to the cylinder (24). The cylinder (24) is arranged inside the positioning seat (21), first limiting grooves (25) are provided on both sides of the second pushing block (23), second limiting grooves (26) are provided on both sides of the first pushing block (22), the two first limiting grooves (25) are respectively connected to the two second limiting grooves (26), the adjacent first limiting grooves (25) and the second limiting grooves (26) are movably connected with the same limiting block (28), and the two limiting blocks (28) are fixedly connected with a magnetic block (29) on the sides away from each other.
2. A bridge column removal device according to claim 1, Features: The positioning seat (21) is provided with a second movable groove (5) on both sides, and a metal block (3) is movably connected in the two second movable grooves (5). The opposite surfaces of the two metal blocks (3) are respectively attracted to the ends of the two magnetic blocks (29) away from each other. The two metal blocks (3) are respectively sleeved on the outer walls of the two impact rods (4), and the ends of the opposite surfaces of the two impact rods (4) are respectively overlapped with the ends of the two magnetic blocks (29) away from each other.
3. A bridge column removal device according to claim 2, Features: The shape of the first movable groove (27) is adapted to the shape of the first pushing block (22), and the second movable groove (5) is connected to the first limiting groove (25) and the second limiting groove (26).
4. A bridge column removal device according to claim 1, Features: The positioning component (6) comprises a counterweight box (61) fixedly connected to the top of the base (1), a counterweight block (62) is arranged inside the counterweight box (61), and two cutting devices (63) are arranged inside the positioning seat (21).
5. A bridge column removal device according to claim 1, Features: A slide groove (64) is provided at the bottom end of the base (1), a slide plate (65) is slidably connected in the slide groove (64), and the shape of the slide groove (64) is adapted to the shape of the slide plate (65).
6. A bridge column removal device according to claim 5, Features: The bottom end of the slide plate (65) is fixedly connected to two electric push rods (67), and the bottom ends of the two electric push rods (67) are fixedly connected to a tray (68).
7. A bridge column removal device according to claim 6, Features: The top end of the base (1) is threadedly connected to two bolts (66), and the two bolts (66) pass through the base (1) and are threadedly connected to the top end of the slide plate (65).