Tunnel secondary lining trolley arm support rotation electricity taking mechanism

Abstract

The invention discloses a rotary electricity taking mechanism for a tunnel secondary lining trolley boom, and relates to the technical field of tunnel construction. Comprising a rack, a rotary driving device, a cantilever crane, an electric slip ring and a concrete conveying pipe, the rotary driving device comprises a base and a rotary driving disc, the base is installed on the rack, the arm frame and the concrete conveying pipe are installed on the rotary driving disc, the electric slip ring comprises an inner ring and an outer ring which are matched with each other, the outer ring is installed on the rack, and the inner ring is installed outside the concrete conveying pipe; a circuit on the rack is electrically connected with the outer ring, and a circuit on the arm support is electrically connected with the inner ring. Through the design of the electric slip ring structure, 360-degree infinite rotation of the cantilever crane in the operation process is achieved, a more flexible working range is provided for equipment, the problem of winding of circuits such as power lines and signal lines is solved, and the reliability of connection of the rotating body and energy and signal transmission is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel construction, and in particular to a rotary power-taking mechanism for an arm of a tunnel secondary lining trolley. Background Art

[0002] In the prior art, the boom of the tunnel secondary lining trolley is installed on the frame of the tunnel secondary lining trolley, and the power lines, signal lines and other lines on the mechanical arm are connected to the external power supply and control mechanism through the outside of the boom and the frame. However, during the operation, the boom and the frame need to rotate relative to each other. During the rotation process, the power lines, signal lines and other lines rotate with the boom, and the probability of entanglement is high. It is very likely to directly cause the power lines, signal lines and other lines to break, which poses a great safety hazard. It is difficult for the boom to achieve 360° unlimited rotation, which limits the movement of the boom. Summary of the invention

[0003] The main purpose of the present invention is to provide a tunnel secondary lining trolley arm swing power supply mechanism to solve the above problems.

[0004] To achieve the above-mentioned purpose, the present invention provides a tunnel secondary lining trolley arm swing power supply mechanism, comprising a frame, a swing drive device, an arm, an electric slip ring and a concrete conveying pipe; the swing drive device comprises a base and a rotating drive disk, the base is mounted on the frame, the arm and the concrete conveying pipe are mounted on the rotating drive disk, the electric slip ring comprises an inner ring and an outer ring that cooperate with each other, the outer ring is mounted on the frame, and the inner ring is mounted on the outside of the concrete conveying pipe; the circuit on the frame is electrically connected to the outer ring, and the circuit on the arm is electrically connected to the inner ring.

[0005] Furthermore, the slewing drive device is a hydraulic slewing drive.

[0006] Furthermore, the arm support is sleeved on the outside of the concrete conveying pipe.

[0007] Furthermore, the line on the boom is arranged in the gap between the boom and the concrete conveying pipe.

[0008] Furthermore, the inner ring is connected to the concrete conveying pipe via a key.

[0009] The present invention has the following beneficial effects:

[0010] The present invention realizes 360° unlimited rotation of the boom during operation through the design of the electric slip ring structure, provides a more flexible working range for the equipment, avoids the entanglement problem of power lines, signal lines and other lines, and ensures the reliability of the connection of the rotating body and the transmission of energy and signals. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of a tunnel secondary lining trolley arm rotation power supply mechanism proposed by the present invention.

[0012] In the figure: 1-frame; 2-electric slip ring; 3-concrete conveying pipe; 4-slewing drive device; 5-arm; 21-outer ring; 22-inner ring; 41-base; 42-rotating drive disc. DETAILED DESCRIPTION

[0013] In order to achieve the above-mentioned purpose and effect, the technical means and structures adopted by the present invention are described in detail with reference to the accompanying drawings for the features and functions of the preferred embodiments of the present invention.

[0014] like Figure 1 As shown, the present invention provides a tunnel secondary lining trolley arm swing power supply mechanism, comprising a frame 1, a swing drive device 4, a boom 5, an electric slip ring 2 and a concrete conveying pipe 3; the swing drive device 4 is preferably a hydraulic swing drive to improve the operation stability; the swing drive device 4 comprises a base 41 and a rotating drive disk 42, the base 41 is mounted on the frame 1, the boom 5 and the concrete conveying pipe 3 are mounted on the rotating drive disk 42, the electric slip ring 2 comprises an inner ring 22 and an outer ring 21 that cooperate with each other, the outer ring 21 is mounted on the frame 1, and the inner ring 22 is mounted on the outside of the concrete conveying pipe 3, preferably, the inner ring 22 is connected to the concrete conveying pipe 3 by a key; the circuit on the frame 1 is electrically connected to the outer ring 21, and the circuit on the boom 5 is electrically connected to the inner ring 22.

[0015] The arm 5 is sleeved on the outside of the concrete conveying pipe 3, and the line on the arm 5 is arranged in the gap between the arm 5 and the concrete conveying pipe 3, avoiding the external placement of the line and improving the overall aesthetics of the equipment.

[0016] When the robot arm needs to rotate, the rotary drive device 4 drives the rotary drive disk 42 to rotate, and then drives the arm 5, the concrete delivery pipe 3, the inner ring 22 and the line in the arm 5 to rotate synchronously; during the rotation process, the inner ring 22 and the line in the arm 5 are in a relatively static state, and the outer ring 21 and the line on the frame 1 are in a relatively static state, so there will be no line entanglement problem. The line in the arm 5 and the line on the frame 1 are electrically connected through the electric slip ring 2 to ensure the reliability of the connection of the rotating body and the transmission of energy and signals.

[0017] The above descriptions are only preferred embodiments of the present invention, not all embodiments. Anyone should be aware that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same or similar to the present invention, belong to the protection scope of the present invention.

Claims

1. A tunnel secondary lining trolley arm swing power supply mechanism, characterized in that: It comprises a frame, a rotary drive device, a boom, an electric slip ring and a concrete conveying pipe; the rotary drive device comprises a base and a rotary drive disk, the base is mounted on the frame, the boom and the concrete conveying pipe are mounted on the rotary drive disk, the electric slip ring comprises an inner ring and an outer ring which cooperate with each other, the outer ring is mounted on the frame, and the inner ring is mounted outside the concrete conveying pipe; the circuit on the frame is electrically connected to the outer ring, and the circuit on the boom is electrically connected to the inner ring.

2. A tunnel secondary lining trolley arm swing power supply mechanism as claimed in claim 1, characterized in that: The rotary drive device is a hydraulic rotary drive.

3. The tunnel secondary lining trolley arm swing power supply mechanism according to claim 1, characterized in that: The arm support is sleeved on the outside of the concrete conveying pipe.

4. A tunnel secondary lining trolley arm swing power supply mechanism as claimed in claim 3, characterized in that: The line on the boom is arranged in the gap between the boom and the concrete conveying pipe.

5. The tunnel secondary lining trolley arm swing power supply mechanism as claimed in claim 1, characterized in that: The inner ring is connected to the concrete conveying pipe through a key.

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