Outer arch surface maintenance trolley
By designing a small car for maintenance of the outer arch surface of the tunnel, and using mechanized methods to repeatedly walk on the top of the tunnel for spray maintenance, the problem of time-consuming and labor-intensive and safety risks of workers frequently climbing the top in the prior art is solved, and efficient and safe maintenance results are achieved.
Patent Information
- Application Number
- CN202421826688.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-31
AI Technical Summary
In the maintenance of the outer arch surface of the tunnel, workers need to frequently climb to the top of the tunnel for watering and maintenance, which is time-consuming and labor-intensive and has safety risks.
A trolley with an outer arch surface is designed, equipped with a frame, wheel frame, spray pipe, water storage tank, water pump and drive motor, and is repeatedly walked on the top of the tunnel through mechanized means for spray maintenance.
It greatly reduces the labor intensity of workers, saves manpower, reduces the safety risks of people's work, improves operating efficiency, and ensures maintenance frequency and quality.
Smart Images

Figure CN222847407U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tunnel maintenance, and in particular relates to an outer arch surface maintenance trolley. Background Art
[0002] After the concrete pouring of the open-cut tunnel is completed, the outer surface is exposed and needs to be constantly watered for maintenance. Currently, people usually climb to the top of the tunnel and pull water pipes to water it repeatedly. Since watering is required multiple times a day, this method is not only time-consuming and laborious, but also greatly increases the burden on workers, especially in hot seasons. Walking on the arched tunnel also poses certain safety risks. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides an outer arch surface maintenance trolley.
[0004] The technical solution adopted by the utility model is a trolley for maintaining an outer arch surface, comprising a frame, wheel frames are respectively arranged downward on both sides of the front end and the rear end of the frame, walking rollers are rotatably connected to the wheel frames through a rotating shaft, one end of the rotating shaft is connected to a driving motor, a plurality of spray pipes are evenly spaced along the length direction of the frame, a water inlet of the spray pipe is connected to a water storage tank through a water pipe, a water pump is arranged on one side of the water storage tank and connected to the water pipe, a plurality of nozzles are arranged at intervals on the spray pipe, and a control box is suspended below one end of the frame and is electrically connected to the driving motor and the water pump respectively.
[0005] Preferably, four spray pipes are used, and two water storage tanks are respectively installed between the two spray pipes at the front and rear ends, and the two water storage tanks are arranged symmetrically with left and right offsets, and the water pump of each water tank is also arranged symmetrically with left and right offsets.
[0006] Preferably, the above-mentioned spray pipe includes a spray main pipe and a spray branch pipe. The spray main pipe is arranged in the middle of the frame and connected to the water pipe, and the two ends are respectively connected to the spray branch pipes. The spray branch pipes are symmetrically arranged and the diameter is smaller than the diameter of the spray main pipe.
[0007] Preferably, the outer end of the spray branch pipe is inclined downward and outward.
[0008] Preferably, a reinforcing diagonal brace is fixedly connected between the wheel frame and the vehicle frame.
[0009] Preferably, a photovoltaic panel is also provided on the vehicle frame, and the photovoltaic panel is connected to the battery via a charging module.
[0010] Preferably, a camera is installed at the front end of the frame, and the camera is wirelessly connected to the client.
[0011] Compared with the prior art, the utility model has the beneficial effect of designing a maintenance trolley to repeatedly travel to the tunnel top for spraying maintenance, which greatly reduces the labor intensity of workers, saves manpower, reduces the safety risk of manual work, and replaces manual work with mechanical work, improves work efficiency, and ensures maintenance frequency and quality. Among them, the water tank is placed in a lower position to reduce the center of gravity of the equipment, which is more conducive to stable walking. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is the main view of the maintenance trolley;
[0013] Figure 2 This is a side view of the maintenance trolley;
[0014] Figure 3 This is a top view of the maintenance trolley. DETAILED DESCRIPTION
[0015] The present invention will be further explained below in conjunction with the accompanying drawings to facilitate better understanding by those skilled in the art.
[0016] Example 1
[0017] like Figure 1-3 As shown, an outer arch surface maintenance trolley includes a frame 1, which is a rectangular frame structure formed by welding or bolting square steel. A plurality of supporting beams are arranged at intervals in the middle of the frame 1, and wheel frames 2 are arranged downward on both sides of the front and rear ends of the frame 1 respectively. Walking rollers 3 are rotatably connected to the wheel frames 2 through a rotating shaft, and one end of the rotating shaft is connected to a driving motor 4, which is driven by the driving motor 4 to provide walking power; a plurality of spray pipes 5 are evenly spaced along the length direction of the frame 1, and a water inlet of the spray pipe 5 is connected to a water storage tank 6 through a water pipe. A water pump 7 is arranged on one side of the water storage tank 6 and is connected to the water pipe, and the water in the water storage tank 6 is pumped out and discharged to the spray pipe 5 through the water pipe. A plurality of nozzles 8 are arranged at intervals on the spray pipe 5, and a control box 9 is suspended below one end of the frame 1, which is electrically connected to the driving motor 4 and the water pump 7 respectively. A camera is installed at the front end of the frame 1, and the camera is wirelessly connected to the client, so that the staff can formulate a spraying plan according to the image.
[0018] The driving motor 4, the water tank 6 and the control box 9 are all arranged below the frame 1, so that the overall center of the maintenance vehicle is relatively low, which is beneficial to improving the walking stability.
[0019] The maintenance vehicle repeatedly moves to the tunnel top for spraying maintenance, which greatly reduces the labor intensity of workers, saves manpower, and reduces the safety risks of manual operations. Mechanical operations replace manual labor, which is more conducive to timely maintenance, improves work efficiency, and ensures maintenance frequency and quality.
[0020] In order to ensure the spraying effect and efficiency, four spray pipes 5 are used, and two water tanks 6 are respectively installed between the two spray pipes 5 at the front and rear ends. One water tank 6 supplies water to the spray pipes 5 at the front and rear ends. The two water tanks 6 are arranged symmetrically with a left and right offset, and the water pump 7 of each water tank is also arranged symmetrically with a corresponding offset, which is beneficial to maintaining the balance of the center of gravity of the maintenance vehicle.
[0021] Furthermore, the spray pipe 5 includes a spray main pipe 501 and a spray branch pipe 502. The spray main pipe 501 is arranged in the middle of the frame 1 and connected to the water pipe, and the two ends are respectively connected to the spray branch pipes 502. The spray branch pipes 502 are symmetrically arranged and have a smaller diameter than the spray main pipe 501. The water pipe supplies water to the spray main pipe 501 and then divides it to the spray branch pipes 502 on both sides. The spray branch pipes 502 have a smaller diameter, which is conducive to ensuring the stability of the water pressure of the spray on both sides and ensuring the spray effect. The outer ends of the spray branch pipes 502 are tilted downward and outward to reduce the distance between the outer ends of the spray branch pipes 502 and the tunnel arch surface, thereby reducing the impact force of the water.
[0022] In order to further improve the overall stability of the maintenance trolley, a reinforcing diagonal brace 10 is fixedly connected between the wheel frame 2 and the frame 1.
[0023] The frame 1 is also provided with a photovoltaic panel, which is connected to a battery through a charging module. The battery supplies power to the drive motor 4, the water pump 7 and the control box 9, which can reduce the arrangement of cables on the tunnel arch surface, and is beneficial to the travel of the maintenance vehicle and the safety of spray maintenance.
[0024] The above-mentioned embodiments are only for describing the preferred implementation of the utility model, and are not intended to limit the scope of the utility model. Without departing from the design spirit and principle of the utility model, various modifications and improvements made by those skilled in the art to the technical solution of the utility model shall fall within the protection scope determined by the claims of the utility model.
Claims
1. An outer arch surface maintenance trolley, characterized in that: The vehicle frame (1) comprises a vehicle frame (1), wherein wheel frames (2) are respectively arranged downwardly on both sides of the front end and the rear end of the vehicle frame (1), and a travel roller (3) is rotatably connected to the wheel frame (2) via a rotating shaft, and one end of the rotating shaft is connected to a driving motor (4). A plurality of spray pipes (5) are evenly spaced along the length direction of the vehicle frame (1), and a water inlet of the spray pipe (5) is connected to a water storage tank (6) via a water pipe. A water pump (7) is arranged on one side of the water storage tank (6) and is connected to the water pipe, and a plurality of spray heads (8) are spaced apart on the spray pipe (5).
2. The outer arch surface maintenance vehicle according to claim 1, characterized in that: Four spray pipes (5) are used, and two water storage tanks (6) are respectively installed between the two spray pipes (5) at the front and rear ends, and the two water storage tanks (6) are arranged symmetrically and staggered in a left-right offset manner. The water pump (7) of each water storage tank (6) is also arranged symmetrically and staggered in a correspondingly offset manner.
3. The outer arch surface maintenance vehicle according to claim 1, characterized in that: The spray pipe (5) comprises a spray main pipe (501) and a spray branch pipe (502). The spray main pipe (501) is arranged in the middle of the frame (1) and is connected to a water pipe. Both ends are respectively connected to the spray branch pipes (502). The spray branch pipes (502) are symmetrically arranged and have a smaller diameter than the spray main pipe (501).
4. The outer arch surface maintenance vehicle according to claim 3, characterized in that: The outer end of the spray branch pipe (502) is inclined downward and outward.
5. The outer arch surface maintenance vehicle according to claim 1, characterized in that: A reinforcing diagonal brace (10) is fixedly connected between the wheel frame (2) and the vehicle frame (1).
6. The outer arch surface maintenance vehicle according to claim 1, characterized in that: The vehicle frame (1) is also provided with a photovoltaic panel, which is connected to a storage battery via a charging module.
7. The outer arch surface maintenance vehicle according to claim 1, characterized in that: A camera is installed at the front end of the vehicle frame (1), and the camera is wirelessly connected to the client.