Miniaturized double-platform-connected self-propelled tunnel excavation trolley

Abstract

The utility model belongs to the technical field of underground engineering, and particularly relates to a miniaturized double-platform connected self-propelled tunnel excavation trolley, which mainly comprises a miniaturized main excavation trolley unit, an auxiliary excavation trolley unit and a connecting cable, and can flexibly steer and vertically move in a narrow tunnel hole operation space. The multi-arm drill jumbo does not need to wait after drilling is finished, the excavation jumbo is manually controlled to vertically move to a tunnel face for charging operation while the drill jumbo supporting legs and the water and electricity pipelines are folded, the machine-team time of construction machinery is effectively saved, and the tunnel drilling and blasting construction efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of underground engineering, and specifically relates to a miniaturized double-platform connected self-propelled tunnel excavation trolley. Background Art

[0002] Due to the limited working space in the tunnel, after the multi-arm rock drilling rig is used to drill holes on the face, it is necessary to complete the evacuation process such as retracting the outriggers and water and electricity pipelines, and completely exit the face before the excavation trolley can carry out the next step of charging. During this process, the excavation trolley at the rear needs to wait for the evacuation process of the multi-arm rock drilling rig to be completely completed before entering the face to start work, which increases the shift time of construction machinery, reduces the efficiency of tunnel drilling and blasting construction, and increases the cost of engineering construction. Utility Model Content

[0003] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a miniaturized double-connected self-propelled tunnel excavation trolley, which is mainly composed of a main trolley and its accessories, a secondary trolley and its accessories, and connecting cables. It can flexibly turn and move vertically (referring to the vertical movement of the trolley working platform and the heading face) in the narrow working space of the tunnel. It can realize that the multi-arm drilling trolley does not need to wait after drilling is completed. While the legs and water and electricity pipelines are retracted, it is manually controlled to move vertically close to the tunnel side wall to the tunnel heading face for charging operations, saving the construction machinery shift time.

[0004] The utility model is implemented in this way, constructing a miniaturized double-connected self-propelled tunnel excavation trolley, which is characterized by comprising a miniaturized main excavation trolley unit, an excavation auxiliary trolley unit, and a connecting cable, wherein the main excavation trolley unit and the excavation auxiliary trolley unit are flexibly connected by a cable.

[0005] According to the utility model, a miniaturized double-connected self-propelled tunnel excavation trolley is characterized in that: the main excavation trolley unit includes a gantry hydraulic lifting frame, a charging work platform, a power system, and outriggers; the charging work platform is connected to the gantry hydraulic lifting frame, and the charging work platform can be lifted by the gantry hydraulic lifting frame to the blast hole where charging is required to be carried out for manned charging operations. After the charging is completed, the charging work platform is lowered for walking and movement; the charging work platform and the gantry hydraulic lifting frame are formed as a whole and are installed on the power system, and outriggers are arranged at the lower end of the main excavation trolley unit and supported by the outriggers.

[0006] According to the utility model, a miniaturized double-connected self-propelled tunnel excavation trolley is characterized in that the power system is mainly composed of an operating lever, an electric control box, an electric motor, a battery, an oil pump motor, and an oil tank. The corresponding equipment of the power system is fixed on the trolley chassis. The power system mainly provides walking power for the trolley and working power for the gantry hydraulic lifting frame. The legs are extended to touch the ground after the trolley reaches the face, and support and stabilize the trolley for charging operations.

[0007] According to the utility model, a miniaturized double-connected self-propelled tunnel excavation trolley is characterized in that: the electric control box serves as the main power switch of the power system, and distributes the current provided by the battery to the power equipment of the main trolley and the auxiliary trolley; the electric motor drives the wheel hub to realize the movement of the trolley; the oil pump motor is connected to the gantry hydraulic lifting frame, which can generate high-pressure oil to push the gears to realize the rise and fall of the gantry hydraulic lifting frame; the oil tank serves as a storage and oil pressure monitoring device for hydraulic oil, and the operating lever controls the direction and speed of the trolley's movement.

[0008] According to the miniaturized double-connected self-propelled tunnel excavation trolley of the utility model, it is characterized in that, except for the joystick and the electric control box, the remaining structures of the excavation auxiliary trolley unit are consistent with the main excavation trolley unit.

[0009] The utility model has the following advantages: the utility model provides a miniaturized dual-connected self-propelled tunnel excavation trolley, which is mainly composed of a miniaturized main trolley and its ancillary equipment, a secondary trolley and its ancillary equipment, and a connecting cable. Compared with traditional equipment, the utility model utilizes its miniaturization and self-movability characteristics to achieve that after the multi-arm rock drilling trolley finishes drilling, there is no need to wait for workers to work. While the outriggers and water and electricity pipelines are retracted, the trolley is manually controlled to move vertically to the tunnel face for charging operations, which saves the construction machinery shift time, improves the efficiency of tunnel drilling and blasting construction, and reduces the cost of engineering construction. At the same time, the electric-driven walking system saves more energy than the conventional diesel engine drive, and can reduce air and noise pollution in the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 Schematic diagram of the front elevation structure of a miniaturized dual-connected self-propelled tunnel excavation trolley;

[0011] Figure 2 Schematic diagram of the power system and its equipment;

[0012] Figure 3 Schematic diagram of the excavation trolley moving vertically to the tunnel face for work;

[0013] Among them, the main excavation trolley unit 1, the excavation auxiliary trolley unit 2, the connecting cable 3, the gantry hydraulic lifting frame 11, the charging operation platform 12, the power system 13, the outrigger 14, the gantry hydraulic lifting frame 21, the charging operation platform 22, the power system 23, the outrigger 24;

[0014] Operating lever 131, electric control box 132, electric motor 133, battery 134, oil pump motor 135, oil tank 136, trolley chassis 137, wheel hub 138,

[0015] Oil tank 234, oil pump motor 233, battery 232, electric motor 231, wheel hub 235, trolley chassis 236,

[0016] Tunnel face 4, multi-arm drilling rig 5. DETAILED DESCRIPTION

[0017] The following will be combined with the attached Figure 1-Figure 3 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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] The utility model provides a miniaturized double-connected self-propelled tunnel excavation trolley. Figure 1-Figure 3 As shown, it can be implemented as follows;

[0019] It comprises a miniaturized main excavation trolley unit 1 , an excavation auxiliary trolley unit 2 , and a connecting cable 3 . The main excavation trolley unit 1 and the excavation auxiliary trolley unit 2 are flexibly connected via the cable 3 .

[0020] Among them, the main excavation trolley unit 1 includes a gantry hydraulic lifting frame 11, a charging work platform 12, a power system 13, and a support leg 14; the charging work platform 12 is connected to the gantry hydraulic lifting frame 11, and the gantry hydraulic lifting frame 11 can be used to lift the charging work platform 12 to the blast hole where charging is required for manned charging operations. After the charging is completed, the charging work platform 12 is lowered for walking and moving; the charging work platform 12 and the gantry hydraulic lifting frame 11 are formed as a whole and are installed on the power system 13, and the support leg 14 is set at the lower end of the main excavation trolley unit 1, and is supported by the support leg 14.

[0021] like Figure 2As shown, in the present application, the power system 13 is mainly composed of an operating lever 131, an electric control box 132, an electric motor 133, a battery 134, an oil pump motor 135, and an oil tank 136. The corresponding equipment of the power system is fixed on the trolley chassis 137. The power system mainly provides walking power for the trolley and working power for the gantry hydraulic lift 11; the legs 14 extend out to touch the ground after the trolley reaches the palm face, and support and stabilize the trolley for charging operations.

[0022] In the present application, the electric control box 132 serves as the main power switch of the power system, and distributes the current provided by the battery 134 to the power equipment of the main trolley and the auxiliary trolley; the motor 133 drives the wheel hub 138 to realize the movement of the trolley; the oil pump motor 135 is connected to the gantry hydraulic lift 11, which can generate high-pressure oil to push the gears to realize the rise and fall of the gantry hydraulic lift; the oil tank 136 serves as a hydraulic oil storage and oil pressure monitoring device, and the operating lever 131 controls the direction and speed of the trolley's movement.

[0023] In the present application, the auxiliary excavation trolley unit 2 has the same structure as the main excavation trolley unit 1 except for the joystick and the electric control box.

[0024] In summary, the purpose of the utility model is to provide a miniaturized self-propelled tunnel excavation trolley with two connected trolleys, the system comprising a miniaturized main excavation trolley unit 1, an excavation auxiliary trolley unit 2, and a connecting cable 3. Among them, the excavation main trolley and its ancillary equipment include a gantry hydraulic lifting frame 11, a charging operation platform 12, a power system 13, and a leg 14; the gantry hydraulic lifting frame can lift the charging operation platform to the blast hole where charging is required for manned charging operation, and lower the charging operation platform after charging is completed for walking and moving; the power system is mainly composed of an operating lever 131, an electric control box 132, an electric motor 133, a battery 134, an oil pump motor 135, and an oil tank 136, which mainly provides walking power for the trolley and working power for the gantry hydraulic lifting frame; the leg extends out to touch the ground after the trolley reaches the face, and supports and stabilizes the trolley for charging operation. Except for the operating lever and the electric control box, the other structures and equipment of the excavation auxiliary trolley and its ancillary equipment are consistent with the main trolley, and the two are flexibly connected by cables.

[0025] The working principle of the power system is as follows: the electronic control box acts as the main power switch of the power system, and distributes the current provided by the battery to the power equipment of the main trolley and the auxiliary trolley; the electric motor drives the wheel hub to realize the movement of the trolley; the oil pump motor generates high-pressure oil to push the gears to realize the rise and fall of the gantry hydraulic lift; the oil tank serves as a storage and oil pressure monitoring device for hydraulic oil, and the operating lever controls the direction and speed of the trolley's movement.

[0026] Specific implementation steps:

[0027] 1. Before using a miniaturized dual-connected self-propelled tunnel excavation trolley, ensure that the walking area is roughly stable and hard;

[0028] 2. The operator starts the trolley's electric control switch after confirming that the circuit, oil circuit, operating lever, control device and instrument are normal.

[0029] 3. During construction, when the multi-arm drilling trolley completes the drilling operation and retracts the outriggers and water and electricity pipelines, the excavation trolley should move synchronously and automatically, and be manually controlled to move vertically close to the tunnel side wall to the tunnel face for charging operations.

[0030] 4. After the trolley is loaded with explosives, it will retreat to about 40 meters away from the face before blasting to ensure the safety of personnel and trolley structure.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A miniaturized dual-connected self-propelled tunnel excavation trolley. It is characterized by: It comprises a miniaturized main excavation trolley unit (1), an excavation auxiliary trolley unit (2), and a connecting cable (3); the main excavation trolley unit (1) and the excavation auxiliary trolley unit (2) are flexibly connected via the cable (3).

2. According to claim 1, a miniaturized dual-connected self-propelled tunnel excavation trolley, characterized in that: The main excavation trolley unit (1) comprises a gantry hydraulic lifting frame (11), a charging operation platform (12), a power system (13), and outriggers (14); the charging operation platform (12) is connected to the gantry hydraulic lifting frame (11), and the charging operation platform (12) can be lifted by the gantry hydraulic lifting frame (11) to a blasthole where charging is required for manned charging operation, and after charging is completed, the charging operation platform (12) is lowered for walking and movement; the charging operation platform (12) and the gantry hydraulic lifting frame (11) are integrally mounted on the power system (13), and outriggers (14) are provided at the lower end of the main excavation trolley unit (1) and supported by the outriggers (14).

3. According to claim 2, a miniaturized dual-connected self-propelled tunnel excavation trolley, characterized in that: The power system (13) is mainly composed of an operating lever (131), an electric control box (132), an electric motor (133), a battery (134), an oil pump motor (135), and an oil tank (136). The corresponding equipment of the power system is fixed on the trolley chassis (137). The power system mainly provides the trolley with walking power and the gantry hydraulic lifting frame (11) with working power; the outriggers (14) extend out to touch the ground after the trolley reaches the face, and support and stabilize the trolley for charging operations.

4. According to claim 3, a miniaturized dual-connected self-propelled tunnel excavation trolley is characterized in that: The electric control box (132) serves as the main power switch of the power system and distributes the current provided by the battery (134) to the power equipment of the main trolley and the auxiliary trolley; the motor (133) drives the wheel hub (138) to realize the movement of the trolley; the oil pump motor (135) is connected to the gantry hydraulic lifting frame (11) and can generate high-pressure oil to drive the gear to realize the rise and fall of the gantry hydraulic lifting frame; the oil tank (136) serves as a storage and oil pressure monitoring device for hydraulic oil, and the operating lever (131) controls the direction and speed of the trolley.

5. According to claim 1, a miniaturized dual-connected self-propelled tunnel excavation trolley, characterized in that: The auxiliary excavation trolley unit (2) has the same structure as the main excavation trolley unit (1) except for the joystick and the electric control box.

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