Tunnel inverted arch inner wall bush hammer

Abstract

The utility model provides a chiseling vehicle for the inner wall of an inverted arch of a tunnel. The chiseling vehicle comprises a movable vehicle body; one end of the rotating large arm is hinged to the moving vehicle body, and a first-stage telescopic rod is arranged between the rotating large arm and the moving vehicle body; one end of the first rotating small arm is hinged to the rotating large arm, and the other end of the first rotating small arm is rotatably connected with the first chiseling head; one end of the second rotating small arm is hinged to the rotating large arm, and the other end of the second rotating small arm is rotatably connected with the second chiseling head; the second rotating small arm is located above the first rotating small arm, and the second chiseling head is located above the first chiseling head. According to the scabbling vehicle, twice repeated scabbling of the first scabbling head and the second scabbling head is achieved for the same acting part of the inner wall of the tunnel inverted arch, the scabbling efficiency is greatly improved, meanwhile, the better scabbling effect is achieved, and the scabbling construction quality is well guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel inverted arch roughening, and in particular relates to a tunnel inverted arch inner wall roughening vehicle. Background Art

[0002] The tunnel invert is a crucial component of the tunnel structure. It's an upward-pointing arch, typically constructed of reinforced concrete. Installed at the tunnel bottom to improve the bearing capacity of the upper support structure, the invert is roughened when additional concrete is required to enhance the concrete's bond.

[0003] In the prior art, the chiseling is generally done manually with a handheld chiseling machine, which has a low chiseling efficiency and often fails to meet the quality standards after only one chiseling. This results in low work efficiency, high labor intensity, and the construction quality of the chiseling cannot be guaranteed.

[0004] Therefore, it is necessary to provide an improved technical solution to the above-mentioned deficiencies in the prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a tunnel inverted arch inner wall chiseling vehicle to at least solve the above-mentioned problems existing in the prior art.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A tunnel invert inner wall roughening vehicle, the roughening vehicle comprising:

[0008] A mobile body, the mobile body being used to drive the entire chiseling vehicle to move;

[0009] A rotating arm, one end of which is hinged to the mobile body, and a first-level telescopic rod is provided between the rotating arm and the mobile body, one end of which is hinged to the mobile body and the other end is hinged to the rotating arm;

[0010] A first rotating arm and a first chiseling head, wherein one end of the first rotating arm is hinged to the rotating arm, and the other end of the first rotating arm is rotatably connected to the first chiseling head;

[0011] a second rotating arm and a second chiseling head, wherein one end of the second rotating arm is hinged to the rotating arm, and the other end of the second rotating arm is rotatably connected to the second chiseling head;

[0012] The second rotating arm is located above the first rotating arm, and the second chiseling head is located above the first chiseling head.

[0013] The tunnel invert arch inner wall chiseling vehicle as described above, preferably, further comprises an adapter plate, the adapter plate is hingedly connected to the rotating arm, and one end of the first rotating arm and the second rotating arm are both hingedly connected to the adapter plate.

[0014] As described above, the tunnel invert arch inner wall chiseling vehicle is preferably provided with a secondary telescopic rod between the rotating arm and the first rotating arm, wherein one end of the secondary telescopic rod is hinged to the rotating arm and the other end is hinged to the secondary telescopic rod.

[0015] As described above, the tunnel arch inner wall chiseling vehicle is preferably provided with a three-stage telescopic rod between the first rotating arm and the second rotating arm, one end of the three-stage telescopic rod is hinged to the middle of the first rotating arm, and the other end is hinged to the middle of the second rotating arm.

[0016] In the tunnel invert inner wall chiseling vehicle as described above, preferably, the second chiseling head is located directly above the first chiseling head, and the lateral width of the second chiseling head is greater than that of the first chiseling head.

[0017] In the tunnel invert inner wall chiseling vehicle as described above, preferably, the first chiseling head is provided with at least two rows of chiseling units, and the two rows of chiseling units are staggered in the vertical direction;

[0018] At least two rows of chiseling units are provided in the first chiseling head, and the two rows of chiseling units are staggered with each other in the vertical direction.

[0019] In the tunnel invert inner wall chiseling vehicle as described above, preferably, the centers of the chiseling units in the first chiseling head and the centers of the chiseling units in the second chiseling head are staggered with each other in the vertical direction.

[0020] Beneficial effects:

[0021] In this chiseling vehicle, the first chiseling head and the second chiseling head perform repeated chiseling on the same working part of the inner wall of the tunnel invert arch, which greatly improves the chiseling efficiency and obtains better chiseling effect, so that the chiseling construction quality is better guaranteed.

[0022] An adapter plate is provided between the rotating arm and the two rotating arms, so that the first rotating arm, the second rotating arm and the adapter plate form a whole, which is convenient for synchronously adjusting the position angle of the first rotating arm and the second rotating arm.

[0023] A triangular stable unit is formed between the first rotating arm, the second rotating arm and the three-stage telescopic rod, so that the first rotating arm and the second rotating arm can more stably support the first chiseling head and the second chiseling head; and through the telescopic movement of the three-stage telescopic rod, the distance between the first chiseling head and the second chiseling head can be adjusted, so that the first chiseling head and the second chiseling head have different distances, thereby being able to adapt to different working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings constituting part of this application are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention.

[0025] Figure 1 This is a schematic structural diagram of a tunnel invert inner wall roughening vehicle according to one embodiment of the present utility model;

[0026] Figure 2 It is a cross-sectional schematic diagram of a first chiseling head and a second chiseling head according to an embodiment of the present invention.

[0027] In the figure: 1. Moving body; 2. Rotating arm; 3. Adapter plate; 4. Second rotating arm; 5. Third-stage telescopic rod; 6. Second chiseling head; 7. First-stage telescopic rod; 8. Second-stage telescopic rod; 9. First rotating arm; 10. First chiseling head; 11. Chiseling unit. DETAILED DESCRIPTION

[0028] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0029] In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense. For example, they can be fixed connections or detachable connections; they can be directly connected or indirectly connected through intermediate components. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0031] According to the specific embodiment of the present utility model, Figure 1-2 As shown, the utility model provides a tunnel inverted arch inner wall chiseling vehicle, the chiseling vehicle comprising:

[0032] The mobile vehicle body 1 is used to drive the entire chiseling vehicle to move; in this embodiment, the mobile vehicle body 1 is a tracked vehicle.

[0033] The rotating arm 2 has one end hinged on the mobile body 1, and a first-stage telescopic rod 7 is provided between the rotating arm 2 and the mobile body 1. One end of the first-stage telescopic rod 7 is hinged on the mobile body 1, and the other end is hinged on the rotating arm 2. In this embodiment, the rotating arm 2 is driven to rotate by the telescopic movement of the first-stage telescopic rod to adjust the position and angle of the rotating arm 2.

[0034] The first rotating arm 9 and the first chiseling head 10, one end of the first rotating arm 9 is hinged on the rotating arm 2, and the other end of the first rotating arm 9 is rotatably connected to the first chiseling head 10; the second rotating arm 4 and the second chiseling head 6, one end of the second rotating arm 4 is hinged on the rotating arm 2, and the other end of the second rotating arm 4 is rotatably connected to the second chiseling head 6.

[0035] The second rotating arm 4 is located above the first rotating arm 9 , and the second chiseling head 6 is located above the first chiseling head 10 .

[0036] In the chiseling vehicle, two chiseling heads are provided, the rotation position and angle of the first chiseling head 10 are controlled by the first rotating arm 9, and the rotation position and angle of the second chiseling head 6 are controlled by the second rotating arm 4; the second chiseling head 6 is provided above the first chiseling head 10; when chiseling the inner wall of the tunnel inverted arch, the first chiseling head 10 chisels the inner wall of the tunnel inverted arch at the bottom, and then the second chiseling head 6 performs a second chiseling on the inner wall of the tunnel inverted arch above the first chiseling head 10; that is, the chiseling vehicle can simultaneously drive the first chiseling head 10 on the first rotating arm 9 and the second chiseling head 6 on the second rotating arm 4 to synchronously chisel the inner wall of the tunnel inverted arch, which greatly improves the chiseling efficiency while obtaining a better chiseling effect, so that the chiseling construction quality is better guaranteed.

[0037] The chiseling vehicle further includes an adapter plate 3, which is hingedly connected to the rotating arm 2, and one end of the first rotating arm 9 and the second rotating arm 4 are both hingedly connected to the adapter plate 3. In one embodiment of the present application, when the first rotating arm 9 and the second rotating arm 4 are both hingedly arranged on the rotating arm 2, after adjusting the rotation angle of the first rotating arm 9, the relative position between the first rotating arm 9 and the second rotating arm 4 will change; an adapter plate 3 is provided between the rotating arm 2 and the two rotating arms, and one end of the first rotating arm 9 and the second rotating arm 4 are both hingedly connected to the adapter plate 3, so that the first rotating arm 9, the second rotating arm 4 and the adapter plate 3 form a whole. After adjusting the rotation angle of the first rotating arm, the first rotating arm 9 and the second rotating arm 4 can synchronously realize the adjustment of the position angle, and the relative position angle of the first rotating arm 9 and the second rotating arm 4 can remain unchanged, thereby facilitating the position angle adjustment of the first rotating arm 9 and the second rotating arm 4.

[0038] A secondary telescopic rod 8 is provided between the rotating arm 2 and the first rotating arm 9. One end of the secondary telescopic rod 8 is hinged to the rotating arm 2, and the other end is hinged to the secondary telescopic rod 8. In one embodiment of the present application, the rotational position angle of the first rotating arm 9 can be adjusted by the telescopic movement of the secondary telescopic rod 8.

[0039] A three-stage telescopic rod 5 is provided between the first rotating arm 9 and the second rotating arm 4, one end of the three-stage telescopic rod 5 is hinged to the middle of the first rotating arm 9, and the other end is hinged to the middle of the second rotating arm 4. In one embodiment of the present application, a triangular stabilizing unit is formed between the first rotating arm 9, the second rotating arm 4 and the three-stage telescopic rod 5, so that the structure of the first rotating arm 9 and the second rotating arm 4 is more stable, so that the first rotating arm 9 and the second rotating arm 4 can more stably support the first chiseling head 10 and the second chiseling head 6; and through the telescopic movement of the three-stage telescopic rod 5, the position angle of the second rotating arm 4 relative to the first rotating arm 9 can be adjusted, thereby realizing the adjustment of the distance between the first chiseling head 10 and the second chiseling head 6, so that the first chiseling head 10 and the second chiseling head 6 have different distances, so as to be able to adapt to different working conditions.

[0040] The second chiseling head 6 is located directly above the first chiseling head 10, and the lateral width of the second chiseling head 6 is greater than that of the first chiseling head 10. In one embodiment of the present application, the lateral width of the second chiseling head 6 is greater than that of the first chiseling head 10, that is, the second chiseling head 6 located above can completely cover the first chiseling head 10 in the width direction, thereby ensuring that the range of secondary chiseling by the second chiseling head 6 must cover the chiseling range of the first chiseling head 10, so that the chiseling ranges of the first chiseling head 10 and the second chiseling head 6 overlap with each other, so that the chiseling vehicle can perform repeated chiseling of the first chiseling head 10 and the second chiseling head 6 on the same working part of the inner wall of the tunnel invert after one chiseling, thereby ensuring that the inner wall of the tunnel invert is fully chiseled, thereby ensuring better chiseling construction quality.

[0041] The first chiseling head 10 is provided with at least two rows of chiseling units 11, and the two rows of chiseling units 11 are arranged staggered in the vertical direction; the first chiseling head 10 is provided with at least two rows of chiseling units 11, and the two rows of chiseling units 11 are arranged staggered in the vertical direction. In one embodiment of the present application, the chiseling units 11 in each chiseling head are arranged staggered, so that the chiseling head can achieve a better chiseling effect.

[0042] The centers of the chiseling units 11 in the first chiseling head 10 and the centers of the chiseling units 11 in the second chiseling head 6 are staggered in the vertical direction. In one embodiment of the present application, the centers of the chiseling units 11 in the two chiseling heads are staggered in the vertical direction, that is, at least four rows of chiseling units 11 in the first chiseling head 10 and the second chiseling head 6 are staggered, thereby ensuring that the inner wall of the tunnel invert is fully chiseled and having a better chiseling effect.

[0043] It will be understood that the above description is merely exemplary and the embodiments of the present application do not limit this.

[0044] 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 are within the scope of protection of the pending claims of the present invention.

Claims

1. A tunnel inverted arch inner wall roughening vehicle, characterized in that: The chiseling vehicle comprises: A mobile body, the mobile body being used to drive the entire chiseling vehicle to move; A rotating arm, one end of which is hinged to the mobile body, and a first-level telescopic rod is provided between the rotating arm and the mobile body, one end of which is hinged to the mobile body and the other end is hinged to the rotating arm; A first rotating arm and a first chiseling head, wherein one end of the first rotating arm is hinged to the rotating arm, and the other end of the first rotating arm is rotatably connected to the first chiseling head; a second rotating arm and a second chiseling head, wherein one end of the second rotating arm is hinged to the rotating arm, and the other end of the second rotating arm is rotatably connected to the second chiseling head; The second rotating arm is located above the first rotating arm, and the second chiseling head is located above the first chiseling head.

2. The tunnel inverted arch inner wall roughening vehicle according to claim 1, characterized in that: The chiseling vehicle further comprises an adapter plate, which is hingedly connected to the rotating arm, and one end of the first rotating arm and the second rotating arm are both hingedly connected to the adapter plate.

3. The tunnel inverted arch inner wall roughening vehicle according to claim 2, characterized in that: A secondary telescopic rod is provided between the rotating arm and the first rotating arm. One end of the secondary telescopic rod is hinged to the rotating arm, and the other end is hinged to the secondary telescopic rod.

4. The tunnel inverted arch inner wall roughening vehicle according to claim 3, characterized in that: A three-stage telescopic rod is provided between the first rotating arm and the second rotating arm. One end of the three-stage telescopic rod is hinged to the middle of the first rotating arm, and the other end is hinged to the middle of the second rotating arm.

5. The tunnel inverted arch inner wall roughening vehicle according to claim 4, characterized in that: The second chiseling head is located directly above the first chiseling head, and the transverse width of the second chiseling head is greater than that of the first chiseling head.

6. The tunnel inverted arch inner wall roughening vehicle according to claim 5, characterized in that: The first chiseling head is provided with at least two rows of chiseling units, and the two rows of chiseling units are staggered in the vertical direction; At least two rows of chiseling units are provided in the first chiseling head, and the two rows of chiseling units are staggered with each other in the vertical direction.

7. The tunnel inverted arch inner wall chiseling vehicle according to claim 6, characterized in that: The center of the chiseling unit in the first chiseling head and the center of the chiseling unit in the second chiseling head are staggered with each other in the vertical direction.

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