Concrete spraying trolley for tunnel construction

Abstract

The utility model provides a concrete spraying trolley for tunnel construction, which comprises a main frame body, a plurality of telescopic devices are arranged above the main frame body and on the left side and the right side of the main frame body, pipe clamps are arranged at the tail ends of the telescopic devices, a pipeline for spraying water is arranged at the pipe clamps at the tail ends of the telescopic devices in an arc shape, and a plurality of sprayers are arranged on the outer wall of the pipeline. By operating the telescopic device, the position of the pipe clamp can be adjusted, and then the radian of the pipeline is adjusted; the water spraying pipeline fixing device is reasonable in design structure and convenient to use, the pipe clamp with the position capable of being adjusted is adopted to fix a water spraying pipeline, when different tunnels are constructed, the pipe clamp can be moved to the designated position, then the pipeline is fixed, and the water spraying pipeline fixing device has the advantages of being flexible in adjustment and saving cost; and dripping water can be collected in a centralized mode, and the problems that construction of constructors below is not changed and water resources are wasted due to the fact that the site is dirty and messy are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel construction equipment, and in particular relates to a concrete spraying trolley for tunnel construction. Background Art

[0002] During the tunnel construction process, after pouring concrete, it is necessary to spray and maintain the concrete regularly. In the prior art, a nozzle is set on the trolley, and the nozzle is driven to spray the tunnel during the movement of the trolley. However, in the actual construction process, due to the different cross-sectional shapes of tunnels in different regions, when performing concrete spray maintenance, it is necessary to make a special spray trolley suitable for the shape of the tunnel for construction to prevent the problem that the nozzle is too far away from the concrete surface and the spray effect cannot be achieved, or to prevent the problem that the spray trolley is too large to enter the tunnel. The production of a special spray trolley will undoubtedly increase the cost of construction equipment and delay the construction period, which is very inconvenient. In addition, in the traditional spraying process, water mist is sprayed onto the concrete surface, and some water will fall to the ground, which will cause the construction site to be dirty and messy on the one hand, bring inconvenience to the construction workers below on the other hand, and also cause waste of water resources on the other hand. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a concrete spraying trolley for tunnel construction, which adopts a pipe clamp capable of adjusting the position to fix the water spraying pipe. When constructing different tunnels, the pipe clamp can be moved to a specified position and then the pipe can be fixed. It has the advantages of flexible adjustment and cost saving. In addition, a guide fin is arranged under the pipe to collect dripping water, thereby avoiding the problems of dirty and messy site, construction workers below being unable to work normally and wasting water resources.

[0004] The technical solution adopted by the utility model is: a concrete spraying trolley for tunnel construction, comprising a main frame, a plurality of telescopic devices are installed on the top and left and right sides of the main frame, a pipe clamp is installed at the end of the telescopic device, a water spraying pipe is installed in an arc shape at the pipe clamp at the end of the telescopic device, a plurality of nozzles are installed on the outer wall of the pipe, and the position of the pipe clamp can be adjusted by operating the telescopic device, and then the curvature of the pipe can be adjusted to adapt to the spraying work of tunnels with different cross-sectional shapes.

[0005] The telescopic device includes a mounting seat fixedly mounted on the upper surface of the main frame and on both sides thereof, a through threaded hole is provided at the center of the mounting seat, a telescopic rod is threadedly connected to the threaded hole, the telescopic position of the telescopic rod can be adjusted by rotating the telescopic rod, and a locking nut for fixing the position of the telescopic rod is installed on the telescopic rod.

[0006] The pipe clamp is an arc-shaped structure and is installed at the end position of the telescopic rod by means of screws.

[0007] Operation tables are installed at both sides of the main frame, and the telescopic devices located at both sides of the main frame are close to the positions where the operation tables are located.

[0008] Guide fins are connected to the lower positions of both sides of the pipeline, and the ends of the guide fins extend toward both sides of the pipeline.

[0009] A water tank is installed below the main frame.

[0010] The bottom of the main frame is equipped with moving wheels.

[0011] The beneficial effects of the utility model are:

[0012] The utility model has a reasonable design structure and is easy to use. It adopts a pipe clamp with adjustable position to fix the water spray pipe. When constructing different tunnels, the pipe clamp can be moved to the specified position and then the pipe can be fixed. It has the advantages of flexible adjustment and cost saving. In addition, guide fins are arranged under the pipe to collect dripping water, thus avoiding the problem of dirty and messy site, construction workers below being unable to work normally and wasting water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a structural diagram of the telescopic device of the utility model;

[0015] Figure 3 It is a cross-sectional view of the pipeline of the utility model.

[0016] Among them: 1. main frame; 2. water tank; 3. moving wheel; 4. operating table; 5. nozzle; 6. pipeline; 7. telescopic device; 801. telescopic rod; 802. locking nut; 803. mounting seat; 9. guide fin. DETAILED DESCRIPTION

[0017] 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 of 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.

[0018] As shown in the figure, a concrete spraying trolley for tunnel construction includes a main frame 1, which is a frame structure welded by steel structure. As the main support member of the spraying trolley, a plurality of telescopic devices 7 are installed on the top and left and right sides of the main frame 1, and a pipe clamp is installed at the end of the telescopic device 7, wherein the telescopic device 7 is mainly used to control the position of the pipe clamp, and the position of the pipe clamp can fix the position of the pipe 6, so that the overall shape of the pipe 6 can be adjusted to meet the use of different tunnel shapes. The water spraying pipe 6 is installed in an arc shape at the pipe clamp at the end of the telescopic device 7, wherein the pipe 6 is made of plastic and has the characteristic of being able to bend. A plurality of nozzles 5 are installed on the outer wall of the pipe 6, and the position of the pipe clamp can be adjusted by operating the telescopic device 7, and then the curvature of the pipe 6 can be adjusted to adapt to the spraying work of tunnels with different cross-sectional shapes.

[0019] The telescopic device 7 includes a mounting seat 803 fixedly mounted on the upper surface of the main frame 1 and on both sides thereof, a threaded hole is provided at the center of the mounting seat 803, a telescopic rod 801 is threadedly connected to the threaded hole, and the telescopic position of the telescopic rod 801 can be adjusted by rotating the telescopic rod 801, and a locking nut 802 for fixing the position of the telescopic rod 801 is installed on the telescopic rod 801. The operating principle of the telescopic device 7 is as follows: by rotating the telescopic rod 801, the distance between the end of the telescopic rod 801 and the mounting seat 803 can be adjusted, and then the position of the pipe clamp can be adjusted. After the position of the pipe clamp is determined, the locking nut 802 is tightened in the direction of the mounting seat 803 to fix the telescopic rod 801. The telescopic device 7 of this structure has the advantages of simple structure, convenient operation, durability, and low cost.

[0020] The pipe clamp is an arc-shaped structure, and the pipe clamp is installed at the end of the telescopic rod 801 by screws. Since the telescopic rod 801 will rotate during the adjustment process, in order to adjust the clamping direction of the pipe clamp, the pipe clamp is installed at the end of the telescopic rod 801 by screws, so that the pipe clamp has the advantage of flexible angle adjustment, which satisfies the clamping effect of the pipe 6. In this example, the pipe clamp is an arc-shaped structure, and the pipe 6 is fixed by a clamping method. The pipe clamp can also be designed as a clamp structure, and the clamp has a locking function to achieve the locking of the pipe 6.

[0021] The operating tables 4 are installed on both sides of the main frame 1 , and the telescopic devices 7 on both sides of the main frame 1 are close to the operating tables 4 . This arrangement makes it easy for staff to adjust the telescopic devices 7 on both sides of the main frame 1 .

[0022] The lower part of both sides of the pipe 6 is connected with guide fins 9, and the ends of the guide fins 9 extend toward both sides of the pipe 6. Figure 3As shown, when water is sprayed out from the nozzle 5, part of the water will drip from the concrete surface, and part of the water will not contact the concrete and will also fall after rising to the limit position. The fallen water can fall on the guide fin 9, and the guide fin 9 will collect the excess water and the underutilized water, and finally flow to the two sides of the pipeline 6 trolley, and finally can be collected in the ditch or in the collection box installed on the spray trolley. On the one hand, it avoids the problem of dirty tunnels, on the other hand, it prevents water from dripping on the construction workers below, and on the other hand, because the water is collected, it prevents the problem of water resource waste.

[0023] A water tank 2 is installed below the main frame 1 , and a water pump can be installed on the water tank 2 . The water pump is connected to a water pipe, and the water pipe is connected to the pipeline 6 .

[0024] A moving wheel 3 is installed at the bottom of the main frame 1.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete spraying trolley for tunnel construction, characterized in that: It includes a main frame, and multiple telescopic devices are installed on the top and left and right sides of the main frame. Pipe clamps are installed at the ends of the telescopic devices. Water spraying pipes are installed in an arc shape at the pipe clamps at the ends of the telescopic devices. Multiple nozzles are installed on the outer wall of the pipe. By operating the telescopic device, the position of the pipe clamp can be adjusted, and then the curvature of the pipe can be adjusted to adapt to the spraying work of tunnels with different cross-sectional shapes.

2. A concrete spraying vehicle for tunnel construction according to claim 1, characterized in that: The telescopic device includes a mounting base fixedly installed on the upper surface of the main frame and on both sides. A through threaded hole is provided in the center of the mounting base. A telescopic rod is threadedly connected to the threaded hole. The telescopic position of the telescopic rod can be adjusted by rotating the telescopic rod. A locking nut for fixing the position of the telescopic rod is installed on the telescopic rod.

3. The concrete spraying vehicle for tunnel construction according to claim 1, characterized in that: The pipe clamp is an arc-shaped structure, and the pipe clamp is installed at the end position of the telescopic rod by means of screws.

4. The concrete spraying vehicle for tunnel construction according to claim 1, characterized in that: Operating tables are installed at both sides of the main frame, and the telescopic devices located at both sides of the main frame are close to the positions where the operating tables are located.

5. The concrete spraying vehicle for tunnel construction according to claim 1, characterized in that: Guide fins are connected to the lower positions of both sides of the pipeline, and the ends of the guide fins extend toward both sides of the pipeline.

6. The concrete spraying vehicle for tunnel construction according to claim 1, characterized in that: A water tank is installed below the main frame.

7. The concrete spraying vehicle for tunnel construction according to claim 1, characterized in that: The bottom of the main frame is equipped with moving wheels.

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