A guardrail clamp for an inclined ladder in a bridge maintenance access road

Abstract

This utility model relates to a guardrail clamp for an inclined ladder in a bridge maintenance passage, comprising an arc-shaped plate, a base plate, ear plates, a clamp, and fasteners. The arc-shaped plate and ear plates are welded and fixed to the upper and lower ends of the base plate, respectively. The center of the arc-shaped plate protrudes outward to form a semi-circular arc structure, and the two sides of the arc-shaped plate form wing plates I for installing fasteners. The clamp is a semi-circular arc structure used in conjunction with the arc-shaped plate. The two sides of the clamp are provided with wing plates II for installing fasteners. Multiple pre-drilled holes are provided on wing plates I and II, and fasteners are installed in the pre-drilled holes to tightly clamp the circular tube of the inclined ladder guardrail. This utility model has an ingenious design, is easy to install and construct, reduces the difficulty of operation for operators, and the position of the inclined ladder column circular tube is adjustable, improving the installation quality and stability of the inclined ladder in the bridge maintenance passage. Compared with the existing technology, it has a good market prospect and development space.

Description

Technical Field

[0001] This utility model relates to the field of bridge maintenance access technology, specifically to a guardrail clamp for an inclined ladder in a bridge maintenance access. Background Technology

[0002] Bridge maintenance access mainly consists of ladders and platforms. Ladders are divided into two types: inclined ladders and straight ladders. In principle, more comfortable prefabricated steel inclined ladders are used. In the design of the tower cavity, most of them adopt the form of inclined ladder plus platform.

[0003] In the existing technology, the inclined ladder railing and the post are fixedly connected. However, due to assembly errors between the platforms, the round tube of the inclined ladder railing cannot be connected to the post.

[0004] The current problem to be solved is how to design a guardrail clamp for a bridge maintenance access ramp that is ingeniously designed, easy to install and construct, reduces the difficulty of operation for operators, has adjustable position of the circular tube of the ramp column, and improves the installation quality and stability of the ramp. Utility Model Content

[0005] To address the technical issues of significant assembly errors between existing inclined ladder railings and columns, the inability to freely adjust the position of the inclined ladder column's round tube, and the resulting impact on the assembly of inclined ladders in bridge maintenance access areas, this utility model provides a railing clamp for inclined ladders in bridge maintenance access areas. This clamp achieves a clever design, convenient installation and construction, reduced operator difficulty, adjustable position of the inclined ladder column's round tube, and improves the installation quality and stability of inclined ladders in bridge maintenance access areas.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a guardrail clamp for a bridge maintenance access ramp, comprising an arc-shaped plate, a pad, ear plates, a clamp, and fasteners. The arc-shaped plate and ear plates are welded and fixed to the upper and lower ends of the pad, respectively. The middle part of the arc-shaped plate protrudes outward to form a semi-circular arc structure, and the two sides of the arc-shaped plate form wing plates I for installing fasteners. The clamp is a semi-circular arc structure used in conjunction with the arc-shaped plate. The two sides of the clamp are provided with wing plates II for installing fasteners. Multiple pre-drilled holes are provided on wing plates I and wing plates II. Fasteners are installed in the pre-drilled holes to clamp the circular tube of the ramp guardrail.

[0007] As a further optimization of the aforementioned guardrail clamp for the inclined ladder of the bridge maintenance passage, a clearance is left between the lower end of the clamp and the pad.

[0008] As a further optimization of the above-mentioned guardrail clamp for the inclined ladder of the bridge maintenance passage, the ear plate is provided with ear plate holes.

[0009] As a further optimization of the above-mentioned guardrail clamp for the inclined ladder of the bridge maintenance passage, the fastener includes fastening bolts, washers and nuts.

[0010] As a further optimization of the above-mentioned guardrail clamp for the inclined ladder of the bridge maintenance passage, the number of reserved holes is four to six.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This utility model includes an arc-shaped plate, a pad plate, ear plates, a clamp, and fasteners. The arc-shaped plate and ear plates are welded and fixed to the upper and lower ends of the pad plate, respectively. The middle part of the arc-shaped plate protrudes outward to form a semi-circular arc structure, and the two sides of the arc-shaped plate form wing plates I for installing fasteners. The clamp is a semi-circular arc structure used in conjunction with the arc-shaped plate. The two sides of the clamp are provided with wing plates II for installing fasteners. Multiple pre-drilled holes are provided on wing plates I and wing plates II. Fasteners are installed in the pre-drilled holes to tightly clamp the circular tube of the inclined ladder railing. This utility model, through innovative structural design, adopts an adjustable clamp connection assembly, which can freely adjust the relative position of the inclined ladder column and the circular tube to meet the usage requirements. It has a simple structure, flexible installation, and is economical and practical. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0015] Figure 3 This is a side view structural diagram of the present invention;

[0016] Figure 4 This is a top view schematic diagram of the structure of this utility model (excluding the clamp);

[0017] Figure 5 This is a schematic diagram of an arc-shaped plate structure;

[0018] Figure 6 This is a schematic diagram of the installation and use of this utility model;

[0019] The markings in the diagram are: 1. Arc plate, 2. Pad plate, 3. Ear plate, 4. Hoop, 5. Fastener, 6. Wing plate I, 7. Wing plate II, 8. Ear plate of inclined ladder column, 9. Round tube of inclined ladder railing, 10. Reserved hole, 11. Ear plate hole. Detailed Implementation

[0020] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0021] As shown in the figure, a guardrail clamp for a bridge maintenance access ramp includes an arc plate 1, a pad plate 2, an ear plate 3, a clamp 4, and fasteners 5. The arc plate 1 and the ear plate 3 are welded and fixed to the upper and lower ends of the pad plate 2, respectively. The middle part of the arc plate 1 protrudes outward to form a semi-circular arc structure, and the two sides of the arc plate 1 form wing plates I6 for installing fasteners. The clamp 4 is a semi-circular arc structure used in conjunction with the arc plate 1. The two sides of the clamp 4 are provided with wing plates II7 for installing fasteners. Multiple pre-drilled holes 10 are provided on the wing plates I6 and II7 in the same position. The fasteners 5 are installed in the pre-drilled holes 10 to clamp the circular tube 9 of the ramp guardrail.

[0022] As a further optimization of the above-mentioned guardrail clamp for the inclined ladder of the bridge maintenance passage, a clearance is left between the lower end of the clamp 4 and the pad 2.

[0023] As a further optimization of the above-mentioned guardrail clamp for the inclined ladder of the bridge maintenance passage, the ear plate 3 is provided with ear plate holes 11.

[0024] As a further optimization of the above-mentioned guardrail clamp for the inclined ladder of the bridge maintenance passage, the fastener 5 includes a fastening bolt, a washer, and a nut.

[0025] As a further optimization of the above-mentioned guardrail clamp for the inclined ladder of the bridge maintenance passage, the number of the reserved holes 10 is four to six.

[0026] The usage process of this utility model is as follows: Figure 6 As shown, Figure 6 This is a schematic diagram of the installation and use of this utility model. First, measure the positions of the ear plate 8 of the inclined ladder column and the round tube 9 of the inclined ladder railing. Connect the ear plate hole 11 to the ear hole on the ear plate 8 of the inclined ladder column, and then fix it with a pin. Then adjust the position of the round tube 9 of the inclined ladder railing so that its upper end is installed in the circular clamping space formed by the arc plate 1 and the clamp 4. Then use the fastener 5 to clamp the round tube 9 of the inclined ladder railing tightly.

[0027] In actual design, the lengths of the arc plate 1 and the clamp 4 can be adjusted appropriately according to the positions of the inclined ladder column ear plate 8 and the inclined ladder guardrail round tube 9, so that they match the length of the inclined ladder guardrail round tube.

[0028] This utility model features an ingenious design, convenient installation and construction, and reduced operator difficulty. The position of the inclined ladder column's round tube is adjustable, improving the installation quality and stability of the inclined ladder in the bridge maintenance passage. It solves the technical problems of large errors in the assembly of the railing and column of the existing inclined ladder, the inability to freely adjust the position of the inclined ladder column's round tube, and the impact on the assembly of the inclined ladder in the maintenance passage. Compared with existing technologies, it has a very good market prospect and development space.

[0029] The preferred embodiments and examples of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments and examples. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the concept of the present invention.

Claims

1. A bridge maintenance access catwalk handrail hoop characterized by: The system includes an arc plate (1), a pad plate (2), an ear plate (3), a clamp (4), and fasteners (5). The arc plate (1) and the ear plate (3) are welded and fixed to the upper and lower ends of the pad plate (2), respectively. The middle part of the arc plate (1) protrudes outward to form a semi-circular arc structure. The two sides of the arc plate (1) form wing plates I (6) for installing fasteners. The clamp (4) is a semi-circular arc structure used in conjunction with the arc plate (1). The two sides of the clamp (4) are provided with wing plates II (7) for installing fasteners. Multiple reserved holes (10) are provided on the wing plates I (6) and wing plates II (7) in the same position. The fasteners (5) are installed in the reserved holes (10) to hold the inclined ladder railing round tube (9) tightly.

2. A bridge maintenance access ramp rail hugger as claimed in claim 1, characterised in that: A clearance is left between the lower end of the clamp (4) and the pad (2).

3. A bridge maintenance access ramp rail hugger as claimed in claim 1, characterised in that: The ear plate (3) is provided with an ear plate hole (11).

4. A bridge maintenance access ramp rail hugger as defined in claim 1 wherein: The fasteners (5) include fastening bolts, washers and nuts.

5. A bridge maintenance access ramp rail hugger as defined in claim 1 wherein: The number of the reserved holes (10) is four to six.

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