Rapidly detachable triangular bracket operation platform

Abstract

The utility model relates to the technical field of operation platforms, and discloses a rapidly detachable triangular support operation platform which comprises channel steel, three pieces of channel steel form triangular supporting structure units, the distance between every two adjacent triangular supporting structure units is 2m, and the distance between every two adjacent triangular supporting structure units is 2m. The triangular supporting structure units are connected with the inner wall of the tunnel through expansion screws and pipe pieces. A protective barrier is arranged at the ends, away from the inner wall of the tunnel, of the triangular supporting structure units, a protective net is hung on the protective barrier, a platform main ridge and a platform secondary ridge are arranged on the triangular supporting structure, the platform main ridge is connected with the two triangular supporting structure units, and the platform secondary ridge is connected with the three triangular supporting structure units. Scaffold boards are laid on the upper end faces of the platform secondary ridges. The device has the advantages of being convenient to build, disassemble and move.

Description

Technical Field

[0001] The utility model relates to the technical field of working platforms, in particular to a quickly detachable triangular bracket working platform. Background Art

[0002] The conventional construction method of the existing shield tunnel internal structure lane slab corbel construction work platform is: use a fastener-type movable disc buckle scaffolding to build the work platform, set a deformation joint every 40 meters of the component, the scaffolding length is not less than 40 meters, and after each work surface is completed, it needs to be dismantled and transported to the next work surface.

[0003] It is inconvenient to realize the rapid disassembly and movement of the working platform. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the utility model is that the existing working platform is not convenient to build and disassemble, and is not convenient to move.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a quickly detachable triangular bracket work platform, comprising channel steel,

[0008] Three of the channel steels form a triangular support structure unit, the distance between two adjacent triangular support structure units is 2m, and the triangular support structure unit is connected to the inner wall of the tunnel through expansion screws and pipe segments;

[0009] A guardrail is provided on one end of the triangular supporting structure unit away from the inner wall of the tunnel, a protective net is hung on the guardrail, a platform main rib and a platform secondary rib are provided on the triangular supporting structure, the platform main rib connects two triangular supporting structure units, the platform secondary rib connects three triangular supporting structure units, and a scaffolding board is laid on the upper end surface of the platform secondary rib.

[0010] Furthermore, the three channel steels include a transverse channel steel, a segment anchoring side channel steel and a connecting channel steel. The segment anchoring side channel steel is in contact with the inner wall of the tunnel. A transverse channel steel is provided at the upper end of the segment anchoring side channel steel. The other end of the transverse channel steel is connected to the segment anchoring side channel steel through a connecting channel steel.

[0011] Furthermore, a steel pipe is welded to the outer end of the transverse channel steel, and the steel pipe is used as a pin joint for installing a guardrail. Two steel plates are welded to the upper end of the channel steel on the segment anchoring side, and a deep groove one is cut on the center line of the steel plate. A deep groove two is cut on the lower end of the channel steel on the segment anchoring side along the center line of the channel steel. Three M16 expansion bolts are used to anchor the channel steel on the segment anchoring side to the segment through deep groove one and deep groove two.

[0012] Furthermore, the transverse channel steel is 1200 mm long, and the steel pipe is 150 mm long and 32 mm in diameter.

[0013] Furthermore, the segment anchoring side channel steel is 994 mm long, there are two steel plates with a size of 50*50 mm, a 30 mm deep groove is cut at a 20 mm wide position on the center line of the steel plate, and a 20 mm wide and 30 mm deep groove is cut at the lower end of the segment anchoring side channel steel along the center line of the channel steel.

[0014] Furthermore, the triangular supporting structure unit is 1.2 meters wide and 0.66 meters high.

[0015] Furthermore, the angle between the transverse channel steel and the segment anchoring side channel steel is 73°.

[0016] 3. Beneficial Effects

[0017] The advantages of the utility model compared with the prior art are:

[0018] 1. The tripod support platform can be quickly moved and installed by removing the expansion bolt nut;

[0019] 2. The triangular brackets are uniformly processed and manufactured, with uniform models and specifications, and are easy to install and disassemble;

[0020] 3. Compared with conventional scaffolding work platforms, the on-site construction efficiency can be effectively improved, labor intensity can be reduced, and material input can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the cross section of the platform used in this application;

[0022] Figure 2 This is the longitudinal section diagram of the single-section platform erection for this practical application;

[0023] Figure 3 The large-scale drawing of the triangular support structure unit for this practical application is provided;

[0024] Figure numerals: 1. guardrail, 2. transverse channel steel, 3. segment anchoring side channel steel, 4. connecting channel steel, 5. steel pipe. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present utility model are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present utility model.

[0026] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the utility model are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] The utility model will now be further described in conjunction with the accompanying drawings.

[0030] Example

[0031] Combined with Figure 1-3 The project department designed and processed a quickly detachable triangular support work platform according to the construction characteristics. The platform is made of 3 8# channel steels welded and processed into a triangular stability structure with a width of 1.2 meters and a height of 0.66 meters. It is set every 2 meters and reliably connected to the pipe segment with 3 M16 expansion bolts at an angle of 73°. The erection position is 150mm below the lowest position of the bracket. The main rib of the platform is set at 8# channel steel / 2 meters. The secondary rib of the platform is made of 50*100mm square wood with a spacing of 350mm. The scaffolding board is made of 15mm thick wooden boards. A 1.2-meter guardrail is set around the platform, and a safety net is hung. During transportation, the work platform can be quickly moved by removing the 3 expansion bolt caps.

[0032] The transverse channel steel 2 is 1200 mm long, and a 150 mm long and 32 mm diameter steel pipe 5 is welded at the outer end to serve as a latch joint for the later installation of the guardrail 1;

[0033] The channel steel 3 on the side anchoring the segment is 994mm long, and two 50*50*20Q235 steel plates are welded on the upper end. A 30mm deep groove is cut at the 20mm wide position on the center line of the steel plate, and a 20mm wide and 30mm deep groove is cut along the center line of the channel steel at the lower end. Three M16 expansion bolts are used to anchor the triangular bracket to the segment through the groove.

[0034] After the three brackets are installed, 50*100 square timber is set on top as the secondary rib of the platform, and 15mm thick scaffolding boards are covered on top. A 1200mm high guardrail is set on the outside of the platform and a protective net is hung.

[0035] The utility model and its implementation methods are described, and such description is not restrictive. The drawings are only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and implementation method similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A quickly detachable tripod support work platform, comprising channel steel, characterized in that: Three of the channel steels form a triangular support structure unit, the distance between two adjacent triangular support structure units is 2m, and the triangular support structure unit is connected to the inner wall of the tunnel through expansion screws and pipe segments; A guardrail (1) is provided on one end of the triangular support structure unit away from the inner wall of the tunnel, a guardrail (1) is hung with a guard net, a platform main rib and a platform secondary rib are provided on the triangular support structure, the platform main rib connects two triangular support structure units, the platform secondary rib connects three triangular support structure units, and a scaffolding board is laid on the upper end surface of the platform secondary rib.

2. The quickly detachable tripod support work platform according to claim 1, characterized in that: The three channel steels include a transverse channel steel (2), a segment anchoring side channel steel (3) and a connecting channel steel (4); the segment anchoring side channel steel (3) is in contact with the inner wall of the tunnel; the upper end of the segment anchoring side channel steel (3) is provided with a transverse channel steel (2); and the other end of the transverse channel steel (2) is connected to the segment anchoring side channel steel (3) via the connecting channel steel (4).

3. The quickly detachable tripod work platform according to claim 2, characterized in that: The outer end of the transverse channel steel (2) is welded with a steel pipe (5), and the steel pipe (5) is used as a latch joint for installing the guardrail (1). Two steel plates are welded to the upper end of the segment anchoring side channel steel (3), and a deep notch one is cut along the center line of the steel plate. The lower end of the segment anchoring side channel steel (3) is cut with a deep notch two along the center line of the channel steel. Three M16 expansion bolts are used to anchor the segment anchoring side channel steel (3) to the segment through the deep notch one and the deep notch two.

4. The quickly detachable tripod work platform according to claim 3, characterized in that: The transverse channel steel (2) is 1200 mm long, and the steel pipe (5) is 150 mm long and 32 mm in diameter.

5. The quickly detachable tripod support work platform according to claim 3, characterized in that: The segment anchoring side channel steel (3) is 994 mm long, there are two steel plates with a size of 50*50 mm, a 30 mm deep groove is cut at a 20 mm wide position on the center line of the steel plate, and a 20 mm wide and 30 mm deep groove is cut at the lower end of the segment anchoring side channel steel (3) along the center line of the channel steel.

6. The quickly detachable tripod support work platform according to claim 1, characterized in that: The triangular supporting structure unit is 1.2 meters wide and 0.66 meters high.

7. The quickly detachable tripod support work platform according to claim 2, characterized in that: The included angle between the transverse channel steel (2) and the segment anchoring side channel steel (3) is 73°.

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