Tunnel lining concrete pouring auxiliary device

Abstract

The utility model discloses a tunnel lining concrete pouring auxiliary device, and belongs to the field of tunnel construction, the auxiliary device comprises a template trolley and a fixing structure arranged on the template trolley and used for fixing a concrete pipeline; the formwork trolley is provided with a driving structure used for driving the fixing structure to move along the radian of the outer wall of the formwork trolley. The driving structure comprises a base which is arranged on the template trolley and moves axially, a U-shaped seat which is movably arranged on the base in a sleeving manner and is connected with the fixing structure, an arc-shaped toothed plate fixedly arranged on the base, a gear which is rotationally arranged in the U-shaped seat and is in meshed connection with the arc-shaped toothed plate, and a driving motor which is arranged on the U-shaped seat and is used for driving the gear to rotate. Through the design of the driving structure, the concrete pipeline fixed to the fixing structure can move along the external radian of the formwork trolley, so that it is ensured that concrete can be evenly poured on the formwork trolley, and the phenomenon of pouring leakage is avoided.

Description

Technical Field

[0001] This application relates to the field of tunnel construction technology, specifically an auxiliary device for pouring tunnel lining concrete. Background Technology

[0002] In tunnel engineering, concrete lining is a crucial step in ensuring the stability and safety of the tunnel structure. Traditional tunnel lining concrete pouring typically relies on formwork trolleys to assist in constructing the basic framework. The design of these trolleys allows them to move along the tunnel's curvature, enabling precise construction of the tunnel lining. However, in practice, this construction method presents several significant problems.

[0003] First, due to the confined space inside the tunnel, it is difficult for the concrete delivery pipes to perfectly follow the arc of the formwork trolley. This leads to incomplete pouring, especially at the top and edges of the formwork trolley. This not only affects the uniformity and density of the concrete but may also result in insufficient structural strength of the tunnel lining, thus compromising the overall safety of the tunnel.

[0004] Therefore, this application provides an auxiliary device for pouring concrete for tunnel lining to solve the above problems. Utility Model Content

[0005] This application provides an auxiliary device for pouring concrete for tunnel lining, aiming to solve the problems mentioned in the background art, such as the difficulty for concrete delivery pipes to fully follow the arc trajectory of the formwork trolley due to the limited space inside the tunnel. This leads to problems such as leakage during concrete pouring, especially at the top and edges of the formwork trolley.

[0006] To achieve the above objectives, this application provides the following technical solution: an auxiliary device for pouring concrete for tunnel lining, comprising a formwork trolley and a fixing structure disposed on the formwork trolley for fixing concrete pipes;

[0007] To facilitate the movement of the fixed structure along the arc trajectory of the template trolley, the template trolley is equipped with a drive structure for driving the fixed structure to move along the arc of the outer wall of the template trolley. The drive structure includes a base that moves axially on the template trolley, a U-shaped seat movably mounted on the base and connected to the fixed structure, an arc-shaped toothed plate fixedly mounted on the base, a gear rotatably mounted within the U-shaped seat and meshing with the arc-shaped toothed plate, and a drive motor mounted on the U-shaped seat for driving the gear to rotate. When pouring concrete for the tunnel lining, the template trolley is fixed in the tunnel, and then the concrete pipe is fixed to the fixed structure. The drive motor then drives the gear to rotate along the arc-shaped toothed plate, causing the gear to move the U-shaped seat along the base. During the movement of the U-shaped seat, the fixed structure drives the concrete pipe to move, ensuring that the concrete is poured evenly onto the template trolley. During the pouring process, the concrete pipe base moves axially along the template trolley by pushing and pulling.

[0008] Preferably, to facilitate the installation of the drive motor: a motor bracket is fixedly mounted on the U-shaped base, and the drive motor is fixedly mounted on the motor bracket by bolts. The output end of the drive motor is fixedly connected to the shaft of the gear. Fixing the drive motor to the motor bracket by bolts facilitates easy installation and disassembly.

[0009] Preferably, to facilitate axial movement of the base on the template trolley, multiple sets of ball bearings are rotatably embedded on the side of the base closest to the template trolley, and these ball bearings abut against the outer wall of the template trolley. The ball bearings reduce friction between the base and the template trolley, thus reducing wear on the base.

[0010] Preferably, to ensure the U-shaped seat is stably placed on the base, a roller rotatably connected to the U-shaped seat is provided on the base. The roller facilitates the stable placement of the U-shaped seat on the base, reducing the pressure exerted by the U-shaped seat and gear on the arc-shaped toothed plate.

[0011] Preferably, the fixing structure includes a fixing plate fixed on the U-shaped seat, a lower clamping plate symmetrically fixed on the fixing plate, and an upper clamping plate hinged to the lower clamping plate, wherein the movable ends of the lower clamping plate and the upper clamping plate are fixed by bolts.

[0012] This application utilizes a drive structure design that allows the concrete pipe, fixed to the structure, to move along the external curvature of the formwork trolley, ensuring uniform concrete pouring and preventing missed pours. The automated control of the drive structure makes the movement of the concrete pipe more flexible and efficient, reducing the tediousness and time-consuming nature of manual operation and improving construction efficiency. Mechanized operation also reduces the time construction workers spend in hazardous environments, lowering safety risks. Attached Figure Description

[0013] Figure 1 A schematic diagram of a structural auxiliary device for pouring tunnel lining concrete;

[0014] Figure 2 for Figure 1 A schematic diagram of the connection between the drive structure and the fixed structure;

[0015] Figure 3 for Figure 1 Main view of the middle section of the structure;

[0016] Figure 4 This is a schematic diagram of the internal structure of the U-shaped seat.

[0017] In the picture:

[0018] 1. Template trolley; 2. Fixing structure; 21. Fixing plate; 22. Lower clamping plate; 23. Upper clamping plate; 3. Drive structure; 31. Base; 311. Ball bearing; 312. Roller; 32. U-shaped seat; 33. Arc-shaped toothed plate; 34. Gear; 35. Drive motor; 351. Motor bracket. Detailed Implementation

[0019] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0020] This embodiment provides an auxiliary device for pouring concrete for tunnel lining, such as... Figure 1-4 As shown, the auxiliary device includes a template trolley 1 and a fixing structure 2 installed on the template trolley 1 for fixing the concrete pipes.

[0021] The formwork trolley 1 is equipped with a drive structure 3 for driving the fixed structure 2 to move along the arc of the outer wall of the formwork trolley 1. The drive structure 3 includes a base 31 that moves axially on the formwork trolley 1, a U-shaped seat 32 that is movably fitted on the base 31 and connected to the fixed structure 2, an arc-shaped toothed plate 33 fixedly mounted on the base 31, a gear 34 rotatably mounted in the U-shaped seat 32 and meshing with the arc-shaped toothed plate 33, and a drive motor 35 mounted on the U-shaped seat 32 for driving the gear 34 to rotate. The design of the drive structure 3 allows the concrete pipe fixed to the fixed structure 2 to move along the outer arc of the formwork trolley 1, ensuring that the concrete is poured evenly on the formwork trolley 1 and preventing leakage. The automated control of the drive structure 3 makes the movement of the concrete pipe more flexible and efficient, reducing the tediousness and time-consuming nature of manual operation and improving construction efficiency. Mechanized operation reduces the time construction workers spend working in hazardous environments, lowering safety risks. When pouring concrete for the tunnel lining, the formwork trolley 1 is fixed in the tunnel, and the concrete pipe is fixed on the fixed structure 2. Then, the drive motor 35 drives the gear 34 to rotate along the arc-shaped toothed plate 33, so that the gear 34 drives the U-shaped seat 32 to move along the base 31. During the movement of the U-shaped seat 32, the concrete pipe is moved through the fixed structure 2, so that the concrete is poured evenly on the formwork trolley 1. During the pouring process, the concrete pipe base 31 is pushed and pulled to move axially along the formwork trolley 1.

[0022] To facilitate the installation of the drive motor 35: a motor bracket 351 is fixedly mounted on the U-shaped base 32, and the drive motor 35 is fixedly mounted on the motor bracket 351 with bolts. The output end of the drive motor 35 is fixedly connected to the shaft of the gear 34. The drive motor 35 is fixedly mounted on the motor bracket 351 with bolts, making installation and disassembly convenient. When it is necessary to disassemble and repair the drive motor 35, only the bolts need to be removed.

[0023] Multiple sets of ball bearings 311 are rotatably embedded on the side of the base 31 near the template trolley 1, and the ball bearings 311 abut against the outer wall of the template trolley 1. The ball bearings 311 can reduce the friction between the base 31 and the template trolley 1, thereby reducing the wear of the base 31.

[0024] To ensure that the U-shaped seat 32 is stably placed on the base 31, a roller 312 is rotatably provided on the base 31 and rotatably connected to the U-shaped seat 32. The roller 312 facilitates the stable placement of the U-shaped seat 32 on the base 31 and reduces the pressure exerted by the U-shaped seat 32 and the gear 34 on the arc-shaped toothed plate 33.

[0025] The fixed structure 2 includes a fixed plate 21 fixed on the U-shaped seat 32, a lower clamping plate 22 symmetrically fixed on the fixed plate 21, and an upper clamping plate 23 hinged on the lower clamping plate 22. The movable ends of the lower clamping plate 22 and the upper clamping plate 23 are fixed by bolts.

[0026] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and concept of this application, should be included within the scope of protection of this application.

Claims

1. An auxiliary device for pouring concrete for tunnel lining, comprising a template trolley (1) and a fixing structure (2) disposed on the template trolley (1) for fixing concrete pipes. Its features are: The template trolley (1) is provided with a drive structure (3) for driving the fixed structure (2) to move along the arc of the outer wall of the template trolley (1). The drive structure (3) includes a base (31) that moves axially on the template trolley (1), a U-shaped seat (32) that is movably mounted on the base (31) and connected to the fixed structure (2), an arc-shaped toothed plate (33) that is fixedly mounted on the base (31), a gear (34) that is rotatably mounted in the U-shaped seat (32) and meshes with the arc-shaped toothed plate (33), and a drive motor (35) that is mounted on the U-shaped seat (32) for driving the gear (34) to rotate.

2. The tunnel lining concrete pouring auxiliary device according to claim 1, characterized in that: A motor bracket (351) is fixedly installed on the U-shaped seat (32). The drive motor (35) is fixedly installed on the motor bracket (351) by bolts. The output end of the drive motor (35) is fixedly connected to the shaft of the gear (34).

3. The tunnel lining concrete pouring auxiliary device according to claim 1, characterized in that: Multiple sets of ball bearings (311) are rotatably embedded on the side of the base (31) near the template trolley (1), and the ball bearings (311) abut against the outer wall of the template trolley (1).

4. The tunnel lining concrete pouring auxiliary device according to claim 1, characterized in that: The base (31) is rotatably provided with a roller (312) that is rotatably connected to the U-shaped seat (32).

5. The tunnel lining concrete pouring auxiliary device according to claim 1, characterized in that: The fixed structure (2) includes a fixed plate (21) fixed on the U-shaped seat (32), a lower clamping plate (22) symmetrically fixed on the fixed plate (21), and an upper clamping plate (23) hinged on the lower clamping plate (22). The movable ends of the lower clamping plate (22) and the upper clamping plate (23) are fixed by bolts.

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