CN-224228680-U - Tunnel pilot tunnel construction platform

Abstract

The utility model relates to the field of tunnel construction, in particular to a tunnel pilot tunnel construction platform which comprises a platform plate, a supporting frame, a slag discharging slope, a stair, a guardrail and a guardrail, wherein the platform plate is arranged at a pilot tunnel opening of a tunnel, one end of the supporting frame is fixed to a temporary inverted arch cross brace of the tunnel, the slag discharging slope is arranged at one side of the platform plate and used for discharging soil slag in pilot tunnel construction, the stair is arranged at one side of the platform plate, and the guardrail is arranged at the periphery of the platform plate. The temporary inverted arch cross brace is fixed at one end of the supporting frame, so that the supporting frame is more stable, the structural stability of the construction platform is further improved, and the slag discharging slope is arranged at one side of the platform plate and can be directly used for discharging soil slag in tunnel upper pilot tunnel construction, so that the slag soil in tunnel upper pilot tunnel construction can be conveniently discharged. The utility model has stable structure, is convenient for the construction of the upper pilot tunnel and the removal of dregs, and can improve the safety and the operation efficiency of tunnel construction.

Inventors

• ZHANG SHAOXIANG
• Yue Didong
• HUANG TAO
• YOU JINYU
• YANG XU
• Jiang Fuzao

Assignees

• 中铁二局集团有限公司
• 中铁二局第五工程有限公司

Dates

Publication Date

20260512

Application Date

20250704

Claims (10)

1. 1. The utility model provides a tunnel pilot tunnel construction platform which characterized in that includes: the platform plate (1) is arranged at the opening of the upper pilot tunnel (9) of the tunnel; The support frame (2) is used for supporting the platform plate (1), and one end of the support frame (2) is fixed on the temporary inverted arch cross brace (6) of the tunnel; the slag discharging slope (3) is arranged on one side of the platform plate (1) and is used for discharging soil slag in the construction of the pilot tunnel (9) on the tunnel; A stair (4) arranged on one side of the platform plate (1); and a guardrail (5) arranged on the periphery of the platform plate (1).
2. 2. A tunnel pilot tunnel construction platform according to claim 1, characterized in that the slag discharging ramp (3) is a steel ramp.
3. 3. The tunnel pilot tunnel construction platform according to claim 1, wherein the included angle between the slag discharging slope (3) and the horizontal plane is 40-80 degrees.
4. 4. A tunnel pilot tunnel construction platform according to claim 1, characterized in that the support frame (2) is welded to the tunnel temporary inverted arch cross-brace (6).
5. 5. A tunnel pilot tunnel construction platform according to claim 1, characterized in that the platform plate (1) is further provided with a limit structure (7), the limit structure (7) being used for limiting the driving position of the vehicle.
6. 6. The tunnel pilot tunnel construction platform according to claim 5, wherein the limiting structure (7) is i-steel or channel steel.
7. 7. The tunnel pilot tunnel construction platform according to claim 5, wherein the limit structure (7) is welded to the platform plate (1).
8. 8. A tunnel pilot tunnel construction platform according to claim 1, characterized in that the platform plate (1) comprises a widened region (11), the widened region (11) being used for placing a guniting machine.
9. 9. The tunnel guide construction platform according to any one of claims 1 to 8, wherein the support frame (2) comprises upright posts (21), cross beams (22) and longitudinal beams (23), and the support frame (2) is formed by welding.
10. 10. A tunnel pilot tunnel construction platform according to claim 9, characterized in that the lower end of the upright (21) is provided with a rib (24).

Description

Tunnel pilot tunnel construction platform Technical Field The utility model relates to the field of tunnel construction, in particular to a tunnel pilot tunnel construction platform. Background In tunnel construction, especially when the upper pilot tunnel excavates, because the operation space is limited, dregs transportation and removal efficiency are lower, influence the construction progress. The traditional method generally adopts a temporary support or a simple platform to transfer the dregs, but has the problems of insufficient stability, narrow working surface and the like, so that the dregs unloading efficiency is low, and potential safety hazards are easy to cause. In addition, lack of reasonable construction platform design can also increase mechanical scheduling difficulty, further restricts the efficiency of construction. Therefore, a special construction platform which is stable in structure and convenient for removing dregs and constructing an upper pilot tunnel is needed to improve the safety and the operation efficiency of tunnel construction. Disclosure of utility model The utility model aims to overcome the defects in the prior art, and provides a tunnel pilot tunnel construction platform which is stable in structure, convenient for slag soil removal and pilot tunnel construction, and capable of improving the safety and the operation efficiency of tunnel construction. A tunnel pilot tunnel construction platform, comprising: the platform plate is arranged at the opening of the guide hole on the tunnel; the support frame is used for supporting the platform plate, and one end of the support frame is fixed on the temporary inverted arch cross brace of the tunnel; the slag unloading slope is arranged on one side of the platform plate and is used for unloading soil slag in pilot tunnel construction on a tunnel; the stair is arranged on one side of the platform plate; And the guardrail is arranged on the periphery of the platform plate. Preferably, the slag discharging slope is a steel slope. Preferably, the included angle between the slag discharging slope and the horizontal plane is 40-80 degrees. Preferably, the support frame is welded to the temporary tunnel inverted arch cross brace. Preferably, the platform plate is further provided with a limiting structure for limiting the driving position of the vehicle. Preferably, the limiting structure is I-steel or channel steel. Preferably, the limit structure is welded with the platform plate. Preferably, the platform plate comprises a widened region for placing a guniting machine. Preferably, the support frame comprises upright posts, cross beams and longitudinal beams, and is formed by welding and connecting the support frames. Preferably, the lower end of the upright post is provided with a rib plate. Compared with the prior art, the utility model has the beneficial effects that: The utility model provides a tunnel pilot tunnel construction platform, which can stably support a platform plate through a support frame, one end of the support frame is fixed on a temporary inverted arch cross brace of a tunnel, so that the support frame is more stable, the structural stability of the construction platform is further improved, the platform plate can be directly used for placing and transporting tunnel pilot tunnel construction equipment and vehicles, and is convenient for construction of the tunnel pilot tunnel, and a slag unloading slope is arranged on one side of the platform plate and can be directly used for unloading soil slag of tunnel pilot tunnel construction, so that the slag soil of tunnel pilot tunnel construction is convenient to unload. The tunnel pilot tunnel construction platform provided by the utility model has a stable structure, is convenient for upper pilot tunnel construction and slag soil removal, and can improve the safety and the operation efficiency of tunnel construction. Drawings Fig. 1 is a front view of a tunnel pilot tunnel construction platform diagram according to the present utility model. Fig. 2 is a side view of a tunnel pilot tunnel construction platform diagram according to the present utility model. Fig. 3 is a top view of a tunnel pilot tunnel construction platform diagram according to the present utility model. Fig. 4 is an enlarged partial schematic view of the portion a in fig. 1. The marks in the figure: The device comprises a 1-platform plate, a 11-widened area, a 2-supporting frame, 21-upright posts, 22-cross beams, 23-longitudinal beams, 24-rib plates, 3-slag discharging slopes, 4-stairs, 5-guardrails, 6-tunnel temporary inverted arch transverse struts, 7-limiting structures, 8-diagonal struts, 9-tunnel upper guide holes and 10-tunnel lower guide holes. Detailed Description The present utility model will be described in further detail with reference to specific examples. It should not be construed that the scope of the above subject matter of the present utility model is limited to the following embodimen