Protective device for bridge construction

Abstract

The utility model discloses a protective device for bridge construction, which comprises a protective net main body, a protective shell is arranged on the outer side of the protective net main body, positioning blocks are arranged on the periphery of the protective shell, a first connecting belt and a second connecting belt are respectively arranged on the side wall surfaces of connecting blocks, one end of the first connecting belt is connected with the first connecting block, and the other end of the first connecting belt is connected with the second connecting belt. A first connecting block is connected to one end of the first connecting belt, a second connecting block is connected to one end of the second connecting belt, a first fixing groove is formed in the first connecting block, a second fixing groove is formed in the upper wall face of the first fixing groove, the upper end of the second fixing groove penetrates through the upper wall face of the first connecting block, and a limiting mechanism is installed in the first fixing groove; a first limiting rod is hinged to the wall face of one side of the second connecting block, the first connecting belt and the second connecting belt are connected through screwing of the first screw and the second screw and the corresponding threaded holes, protection is conducted through the protective net body, disassembly and assembly are convenient, operation is easy, and convenience is brought to people.

Description

Technical Field

[0001] The utility model relates to the technical field of protective devices, in particular to a protective device for bridge construction. Background Art

[0002] With the rapid development of urbanization, bridge engineering plays an important role in modern transportation. However, due to the particularity of bridge construction and maintenance work, high-altitude fall accidents have become one of the main threats to workers' safety. In order to ensure the safety of bridge engineering personnel, it is crucial to take scientific anti-high-altitude fall measures.

[0003] The utility model with the publication number CN211571416U discloses a bridge construction protection device, including a support seat and a telescopic rod. A slot is opened inside the support seat, and the bottom of the telescopic rod is inserted into the slot. There are four support seats and four telescopic rods. A connecting rod is connected between the tops of the front and rear adjacent telescopic rods. There are two connecting rods. A hook is fixed to the surface of one side of the connecting rod. There are multiple hooks, and the multiple hooks are equidistantly distributed. A rope net is fixed between the hooks of the left connecting rod and the right connecting rod, and the rope net is fixed to the hook of the connecting rod through a hanging ring. The upper end surface of the support seat is screwed and fixed with a limiting screw, but the degree of protection of the device is limited. The support performance is limited only by the support rod, and the weight that can be protected is relatively small. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a protective device for bridge construction. The device connects the protective net body to the bridge column below the bridge deck through a limiting mechanism, so that it can provide protection below the bridge deck, greatly improving the protective performance and bringing convenience to people.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a protective device for bridge construction, comprising a protective net main body, a protective shell is installed on the outside of the protective net main body, pads are installed around the protective shell, and the side walls of the pads are respectively installed with a first connecting belt and a second connecting belt, one end of the first connecting belt is connected to a first connecting block, and one end of the second connecting belt is connected to a second connecting block, a first fixing groove is opened in the first connecting block, a second fixing groove is opened on the upper wall of the first fixing groove, the upper end of the second fixing groove passes through the upper wall of the first connecting block, a limiting mechanism is installed in the first fixing groove, a first limiting rod is hinged on one side wall of the second connecting block, a second limiting rod is installed on one side wall of the first limiting rod, and a second limiting block is connected to the lower end of the second limiting rod.

[0006] Preferably, the limiting mechanism includes a two-way threaded rod, one end of the two-way threaded rod is rotatably installed on the inner wall of one side of the first fixed groove, the other end of the two-way threaded rod passes through the other side wall of the first fixed groove and is installed with a turning handle, fixed blocks are screwed on both sides of the two-way threaded rod, a pair of sliding blocks are connected to the lower wall of the fixed blocks, a sliding groove is opened on the lower wall of the first fixed groove, a pair of sliding blocks slide on both sides of the sliding groove respectively, and a pair of first limiting blocks are installed on the wall of one side of the fixed blocks.

[0007] Preferably, a first positioning block and a second positioning block are respectively installed on one side wall of the first connecting block, a first screw and a second screw are rotatably installed on corresponding positions on one side wall of the second connecting block, and threaded holes are provided on one side wall of the first positioning block and the second positioning block.

[0008] Preferably, the cross-section of the second limiting block is an isosceles trapezoidal structure.

[0009] Preferably, the cross-sections of the pair of first limiting blocks are both right-angled trapezoidal structures.

[0010] Beneficial Effects

[0011] The utility model provides a protective device for bridge construction, which has the following beneficial effects: the utility model has a compact structure, and the first connecting belt is connected to the second connecting belt by screwing the first screw and the second screw with the corresponding threaded holes, which is convenient for putting it on the bridge column and protecting it through the protective net main body, which is easy to disassemble and assemble, simple to operate, and brings convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the limiting mechanism of the utility model;

[0014] Figure 3 For this utility model Figure 2 Schematic diagram of the partially enlarged structure.

[0015] In the figure: 1. protective net body; 2. protective shell; 3. cushion block; 4. first connecting belt; 5. second connecting belt; 6. first connecting block; 7. second connecting block; 8. first fixing groove; 9. second fixing groove; 10. first limiting rod; 11. second limiting rod; 12. second limiting block; 13. bidirectional threaded rod; 14. turning handle; 15. fixing block; 16. sliding block; 17. sliding groove; 18. first limiting block; 19. first positioning block; 20. second positioning block; 21. first screw; 22. second screw. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 A protective device for bridge construction comprises a protective net main body 1, a protective shell 2 is installed on the outside of the protective net main body 1, cushion blocks 3 are installed all around the protective shell 2, and the side walls of the cushion blocks 3 are respectively installed with a first connecting belt 4 and a second connecting belt 5, one end of the first connecting belt 4 is connected to a first connecting block 6, and one end of the second connecting belt 5 is connected to a second connecting block 7, a first fixing groove 8 is opened in the first connecting block 6, a second fixing groove 9 is opened on the upper wall of the first fixing groove 8, and the upper end of the second fixing groove 9 passes through the upper wall of the first connecting block 6, a limiting mechanism is installed in the first fixing groove 8, a first limiting rod 10 is hinged on one side wall of the second connecting block 7, a second limiting rod 11 is installed on one side wall of the first limiting rod 10, and a second limiting block 12 is connected to the lower end of the second limiting rod 11.

[0018] Furthermore, the limiting mechanism includes a bidirectional threaded rod 13, one end of the bidirectional threaded rod 13 is rotatably installed on the inner wall of one side of the first fixed groove 8, the other end of the bidirectional threaded rod 13 passes through the other side wall of the first fixed groove 8 and is installed with a turning handle 14, both sides of the bidirectional threaded rod 13 are screwed with fixed blocks 15, a pair of sliders 16 are connected to the lower wall of the fixed blocks 15, a sliding groove 17 is opened on the lower wall of the first fixed groove 8, a pair of sliders 16 slide on both sides of the sliding groove 17 respectively, and a pair of first limiting blocks 18 are installed on the wall of one side of the fixed blocks 15.

[0019] Furthermore, a first positioning block 19 and a second positioning block 20 are respectively installed on one side wall of the first connecting block 6, and a first screw 21 and a second screw 22 are rotatably installed at corresponding positions on one side wall of the second connecting block 7, and threaded holes are provided on one side wall of the first positioning block 19 and the second positioning block 20.

[0020] Furthermore, the cross section of the second limiting block 12 is an isosceles trapezoidal structure.

[0021] Furthermore, the cross-sections of the pair of first limiting blocks 18 are both right-angled trapezoidal structures.

[0022] Embodiment: When in use, the first connecting belt 4 and the second connecting belt 5 are respectively passed through the circular rings on the side wall of the bridge column, the second limit block 12 is inserted into the first fixed groove 8, the bidirectional threaded rod 13 is rotated by turning the handle 14, and a pair of sliders 16 are respectively slid on both sides of the slide groove 17 to control the first limit blocks 18 on both sides to move toward each other, and the second limit block 12 is limited by the first limit blocks 18 on both sides, and then the first screw 21 and the second screw 22 are correspondingly screwed into the threaded holes on one side of the first positioning block 19 and the second positioning block 20 to complete the connection, which brings convenience to people.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective device for bridge construction, comprising a protective net main body (1), characterized in that: A protective shell (2) is installed on the outside of the protective net body (1), and cushion blocks (3) are installed on all sides of the protective shell (2). The side walls of the cushion blocks (3) are respectively installed with a first connecting belt (4) and a second connecting belt (5), one end of the first connecting belt (4) is connected to a first connecting block (6), and one end of the second connecting belt (5) is connected to a second connecting block (7). A first fixing groove (8) is provided in the first connecting block (6), and a second fixing groove (9) is provided on the upper wall of the first fixing groove (8). The upper end of the second fixing groove (9) passes through the upper wall of the first connecting block (6). A limiting mechanism is installed in the first fixing groove (8), and a first limiting rod (10) is hingedly connected to a side wall of the second connecting block (7), and a second limiting rod (11) is installed on a side wall of the first limiting rod (10), and the lower end of the second limiting rod (11) is connected to a second limiting block (12).

2. A protective device for bridge construction according to claim 1, characterized in that: The limiting mechanism comprises a bidirectional threaded rod (13), one end of the bidirectional threaded rod (13) is rotatably mounted on the inner wall of one side of the first fixed groove (8), the other end of the bidirectional threaded rod (13) penetrates the other side wall of the first fixed groove (8) and is mounted with a turning handle (14), both sides of the bidirectional threaded rod (13) are screwed with fixing blocks (15), a pair of lower walls of the fixing blocks (15) are connected with sliding blocks (16), a sliding groove (17) is provided on the lower wall of the first fixed groove (8), a pair of sliding blocks (16) slide on both sides of the sliding groove (17), and a pair of first limiting blocks (18) are mounted on one side wall of the fixing blocks (15).

3. A protective device for bridge construction according to claim 1, characterized in that: A first positioning block (19) and a second positioning block (20) are respectively mounted on one side wall of the first connecting block (6), a first screw rod (21) and a second screw rod (22) are respectively rotatably mounted at corresponding positions on one side wall of the second connecting block (7), and threaded holes are provided on one side wall of the first positioning block (19) and the second positioning block (20).

4. A protective device for bridge construction according to claim 1, characterized in that: The cross section of the second limiting block (12) is an isosceles trapezoidal structure.

5. A protective device for bridge construction according to claim 2, characterized in that: The cross-sections of the pair of first limiting blocks (18) are both right-angled trapezoidal structures.

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