Cross-expressway steel beam bridge construction edge protection device capable of being quickly assembled and disassembled

Abstract

The utility model discloses an expressway-crossing steel beam bridge construction edge protection device capable of being quickly assembled and disassembled, and belongs to the technical field of expressway-crossing steel box beam construction. In order to solve the problem that an existing product is complex in structure, according to the technical scheme, the device comprises channel steel, a horizontal instrument is arranged at the upper end of the channel steel, a circulation groove is formed in the channel steel, and a connecting mechanism is arranged in the circulation groove. By arranging the connecting mechanism, a plurality of protection devices can be connected, so that the stability of the protection device is improved, meanwhile, the bearing performance of the device can be indirectly improved, and compared with a traditional edge protection device mostly adopting a fixed structure, the edge protection device has the advantages of being simple in structure and convenient to use. Parts of the protection device are connected and installed through bolts, so that a large amount of manpower and time are not needed when the device is installed and detached, time and labor are saved, the construction progress is indirectly guaranteed, the protection device can be rapidly detached under the emergency situation, and potential safety hazards are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel box girder construction across expressways, in particular to an edge protection device capable of quickly loading and unloading a steel girder bridge construction across expressways. Background Art

[0002] With the rapid development of transportation infrastructure construction, highways, as an important link between cities and regions, are being built at a faster and larger scale. In highway construction, steel beam bridges, as a common bridge structure, are receiving increasing attention for safety issues during construction, especially during the construction of steel beam bridges across highways and railways. Edge protection is a key measure to ensure the safety of construction workers, prevent objects from falling, and ensure smooth construction.

[0003] There is no connection mechanism between traditional edge protections, so its overall stability will be reduced and the load-bearing effect will be affected to a certain extent. At the same time, most of the devices adopt fixed structures, and installation and disassembly require a lot of manpower and time, which not only affects the construction progress, but also is difficult to dismantle quickly in an emergency, posing certain safety hazards.

[0004] Therefore, those skilled in the art provide a device for quickly loading and unloading an edge protection device for the construction of a steel beam bridge across a highway to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides an edge protection device for the construction of a steel beam bridge across a highway that can be quickly loaded and unloaded. By setting a connecting mechanism, multiple protection devices can be connected to each other, thereby improving the stability of the protection device, and at the same time, the load-bearing performance of the device can be indirectly improved. Different from traditional edge protection devices that mostly adopt a fixed structure, the parts of this protection device are connected and installed with bolts, so that a large amount of manpower and time are not required for installation and disassembly of the device, which saves time and effort, indirectly guarantees the construction progress, and can be quickly dismantled in an emergency to avoid safety hazards, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A device for protecting the edge of a steel beam bridge constructed across a highway that can be quickly loaded and unloaded comprises a channel steel, a level instrument is arranged at the upper end of the channel steel, a circulation groove is arranged on the channel steel, a connecting mechanism is arranged inside the circulation groove, the connecting mechanism comprises a first square column slidably connected to the inside of the circulation groove, a first square groove is provided on the first square column, a lower tooth plate is slidably connected to the inside of the first square groove, a threaded groove connected to the first square groove is provided on the first square column, a threaded rod is spirally connected to the threaded groove, and the threaded rod is fixedly connected to the lower tooth plate.

[0008] As a further solution of the utility model, the connection mechanism also includes a second square column slidably connected to the inside of the circulation groove, the second square column is provided with a second square groove, and an upper tooth plate is slidably connected to the inside of the second square groove.

[0009] As a further solution of the present invention, the first square groove is larger than the second square groove, and the upper tooth plate can be inserted into the first square groove.

[0010] As a further solution of the utility model, a first U-shaped square tube is fixedly connected to the upper edge of the channel steel, and the two are in a vertical state. A plurality of second U-shaped square tubes are arranged on the first U-shaped square tube, and the first U-shaped square tube and the second U-shaped square tube are connected by a first bolt.

[0011] As a further solution of the utility model, a springboard is provided at the upper end of the channel steel, and the channel steel and the springboard are connected by a second bolt.

[0012] As a further solution of the utility model, a threaded pull rod is provided on the channel steel, a fixing plate is threadedly connected to the threaded pull rod, and two fixing plates are provided and symmetrically distributed on both sides of the channel steel.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By setting up a connecting mechanism, multiple protective devices can be connected to improve the stability of the protective device, and at the same time, the load-bearing performance of the device can be indirectly improved. Different from traditional edge protection devices that mostly adopt a fixed structure, the parts of this protective device are connected and installed with bolts, so that a large amount of manpower and time are not required for installation and disassembly of the device, which saves time and effort, indirectly guarantees the construction progress, and can be quickly dismantled in an emergency to avoid safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of an edge protection device for the construction of a steel beam bridge across a highway that can be quickly loaded and unloaded;

[0016] Figure 2for Figure 1 Schematic diagram of a partial three-dimensional structure;

[0017] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at point A;

[0018] Figure 4 for Figure 2 Schematic diagram of the three-dimensional structure of the connecting mechanism.

[0019] In the figure: 1. channel steel; 2. fixing plate; 3. threaded tie rod; 4. first U-shaped square tube; 5. second U-shaped square tube; 6. first bolt; 7. springboard; 8. second bolt; 9. circulation groove; 10. first square column; 11. second square column; 12. first square groove; 13. lower tooth plate; 14. threaded rod; 15. threaded groove; 16. second square groove; 17. upper tooth plate; 18. level instrument. DETAILED DESCRIPTION

[0020] See also Figures 1 to 4 In an embodiment of the utility model, a fast loading and unloading edge protection device for steel beam bridge construction across a highway includes a channel steel 1, a first U-shaped square tube 4 is fixedly connected to the upper edge of the channel steel 1, the channel steel 1 and the first U-shaped square tube 4 are vertically connected, a plurality of second U-shaped square tubes 5 are connected to the front end of the first U-shaped square tube 4 by a first bolt 6, a protective net is arranged on the second U-shaped square tube 5, which has a good blocking and protection effect, a plurality of springboards 7 are connected to the top of the channel steel 1 by a second bolt 8, and the springboard 7 can be used to place objects, and the channel steel 1 is also connected to the fixed plate 2 by a threaded pull rod 3, and the channel steel 1, the fixed plate 2, the threaded pull rod 3, the first U-shaped square tube 4 and the second U-shaped square tube 5 are not designed as an integrated whole, and can be quickly disassembled and assembled.

[0021] A level instrument 18 is provided at the upper end of the channel steel 1, and the staff can quickly check whether the entire protective device is in a horizontal state through the level instrument 18. If tilt occurs, adjustments can be made in time to avoid safety hazards.

[0022] A circulation groove 9 is provided on the channel steel 1, and the interior of the circulation groove 9 is slidingly connected to the first square column 10 and the second square column 11. The first square column 10 and the second square column 11 can be completely received inside the circulation groove 9. The connection between the two channel steels 1 can be completed through the first square column 10 and the second square column 11, thereby improving the stability of the protective device.

[0023] The first square column 10 is provided with a first square groove 12, and a lower tooth plate 13 is slidably connected inside the first square groove 12. The lower tooth plate 13 can move up and down along the first square groove 12. The first square column 10 is provided with a threaded groove 15 connected to the first square groove 12. A threaded rod 14 rotatably connected to the lower tooth plate 13 is spirally connected to the threaded groove 15. When the threaded rod 14 is rotated, the lower tooth plate 13 can be pushed to move up and down.

[0024] A second square groove 16 is provided on the second square column 11, and an upper tooth plate 17 is slidably connected inside the second square groove 16. The upper tooth plate 17 can move laterally along the second square groove 16. The upper tooth plate 17 can be inserted into the first square groove 12 and fixed by the lower tooth plate 13 to complete the connection of the two channel steels 1 and improve the stability of the protective device.

[0025] The working principle of the utility model is that when the device is needed, the device can be installed through the fixing plate 2 and the threaded tie rod 3, and the whole device components can be assembled through the first bolt 6 and the second bolt 8. Different from the traditional edge protection device which mostly adopts a fixed structure, the installation and disassembly do not require a lot of manpower and time, which indirectly speeds up the construction progress. At the same time, it can be quickly dismantled in an emergency to avoid safety hazards. When multiple protection devices need to be connected, it is only necessary to pull out the first square column 10 of one of the devices from the circulation slot 9, and then rotate the threaded rod 14 to tighten the threaded slot 15. Under the action of , the threaded rod 14 will drive the lower tooth plate 13 to move downward until the lower tooth plate 13 stops when it moves to the bottom, and then the second square column 11 on the other device is pulled out, and then the upper tooth plate 17 is pulled out. At this time, the upper tooth plate 17 is inserted into the first square groove 12 to make the first square column 10 contact the second square column 11. At this time, the threaded rod 14 continues to rotate to drive the lower tooth plate 13 to move upward to fix the upper tooth plate 17, so as to connect the two protective devices and improve the stability of the device. At the same time, the contact surface between the upper tooth plate 17 and the lower tooth plate 13 is a triangular design, which can ensure stability while also improving the load-bearing performance.

[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fast-loading and unloading edge protection device for steel beam bridge construction across a highway, comprising a channel steel (1), characterized in that: A level instrument (18) is provided at the upper end of the channel steel (1), a circulation groove (9) is provided on the channel steel (1), a connecting mechanism is provided inside the circulation groove (9), the connecting mechanism comprises a first square column (10) slidably connected inside the circulation groove (9), a first square groove (12) is provided on the first square column (10), a lower tooth plate (13) is slidably connected inside the first square groove (12), a threaded groove (15) communicating with the first square groove (12) is provided on the first square column (10), a threaded rod (14) is spirally connected to the threaded groove (15), and the threaded rod (14) is fixedly connected to the lower tooth plate (13).

2. The device for quickly assembling and disassembling a steel beam bridge construction across a highway according to claim 1 is characterized in that: The connection mechanism also includes a second square column (11) slidably connected to the inside of the circulation groove (9), a second square groove (16) is formed on the second square column (11), and an upper tooth plate (17) is slidably connected to the inside of the second square groove (16).

3. The device for quickly assembling and disassembling an edge protection device for a steel beam bridge across a highway according to claim 2 is characterized in that: The first square groove (12) is larger than the second square groove (16), and the upper tooth plate (17) can be inserted into the first square groove (12).

4. The device for quickly assembling and disassembling an edge protection device for steel beam bridge construction across a highway according to claim 1 is characterized in that: A first U-shaped square tube (4) is fixedly connected to the upper edge of the channel steel (1), and the two are in a vertical state. A plurality of second U-shaped square tubes (5) are arranged on the first U-shaped square tube (4), and the first U-shaped square tube (4) and the second U-shaped square tube (5) are connected by a first bolt (6).

5. The device for quickly assembling and disassembling an edge protection device for steel beam bridge construction across a highway according to claim 4 is characterized in that: A springboard (7) is provided at the upper end of the channel steel (1), and the channel steel (1) and the springboard (7) are connected via a second bolt (8).

6. The device for quickly assembling and disassembling an edge protection device for steel beam bridge construction across a highway according to claim 1 is characterized in that: The channel steel (1) is provided with a threaded tie rod (3), and a fixing plate (2) is threadedly connected to the threaded tie rod (3). Two fixing plates (2) are provided and symmetrically distributed on both sides of the channel steel (1).

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