Reconstruction and extension tunnel rail type cutting trolley

Abstract

The utility model discloses a track type cutting trolley for a reconstructed and expanded tunnel. The track type cutting trolley comprises an arc-shaped track and a cutting structure, an arc-shaped rack is arranged on the outer arc surface of the arc-shaped track; the cutting structure comprises a moving frame body, a moving motor, a rotating motor, a cutting motor, a cutting table and a cutting cutter head; the moving frame body is movably connected with the arc-shaped track, and the moving motor and the rotating motor are fixedly arranged on the moving frame body; the output end of the moving motor is in meshed connection with the arc-shaped rack; the moving motor is used for driving the moving frame body to move along the arc-shaped track; the cutting table is arranged above the movable frame body, the output end of the rotating motor is fixedly connected with the lower surface of the cutting table, and the rotating motor is used for driving the cutting table to rotate; the cutting motor is fixedly arranged on the cutting table, and the output end of the cutting motor is connected with the cutting cutterhead; and the cutting motor drives the cutting cutterhead to rotate.

Description

Technical Field

[0001] The utility model relates to the field of tunnel construction, in particular to a track-type cutting trolley for tunnel reconstruction and expansion. Background Art

[0002] In the process of development of the transportation industry, the transportation capacity of existing roads in some areas does not match the current actual development situation and needs to be upgraded or the existing projects have common quality problems and need to be repaired and maintained. For highway tunnels, there is a second lining concrete cutting and demolition construction, which is to cut the original second lining reinforced concrete into independent unit blocks and then demolish them in different areas. This effectively reduces the disturbance to the surrounding rock and support structure and improves the safety of demolition.

[0003] At present, the commonly used tunnel secondary lining concrete or reinforced concrete cutting is hydraulic wall saw cutting equipment, which is mainly composed of wall saw guide rails, hydraulic wall saw head, saw blades and fixed rails, etc. However, this type of equipment can only perform circumferential cutting on the tunnel, and cannot achieve longitudinal cutting on the track.

[0004] Therefore, a tunnel expansion and reconstruction track type cutting trolley is needed to solve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A track-type cutting trolley for tunnel reconstruction and expansion, comprising a curved track and a cutting structure;

[0007] The outer arc surface of the arc track is provided with an arc rack, and the cutting structure includes a moving frame, a moving motor, a rotating motor, a cutting motor, a cutting table, and a cutting disc;

[0008] The movable frame is movably connected to the arc track, and the movable motor and the rotating motor are fixedly arranged on the movable frame; the output end of the movable motor is meshed and connected with the arc rack, and the movable motor is used to drive the movable frame to move along the arc track; the cutting table is arranged above the movable frame, and the output end of the rotating motor is fixedly connected to the lower surface of the cutting table, and the rotating motor is used to drive the cutting table to rotate; the cutting motor is fixedly arranged on the cutting table, and the output end of the cutting motor is connected to the cutting disc; the cutting disc is driven to rotate by the cutting motor.

[0009] Furthermore, the modified and expanded tunnel track cutting trolley also includes a lifting frame, a lifting plate, and a lifting telescopic cylinder; the lifting plate is fixedly connected to both ends of the arc track; the fixed end of the lifting telescopic cylinder is fixedly arranged on the top of the lifting frame, and the telescopic end of the lifting telescopic cylinder is fixedly connected to the lower end of the lifting plate; the lifting telescopic cylinder is used to drive the arc track to move vertically relative to the lifting frame.

[0010] Furthermore, the modified and expanded tunnel track cutting trolley also includes two sliding rods, which are symmetrically arranged on both sides of the lifting and telescopic cylinder, one end of the sliding rod is slidably connected to the lifting plate, and the other end is fixedly connected to the top of the lifting frame.

[0011] Furthermore, the cutting table is horizontally arranged above the movable frame, and the output end of the rotating motor is vertically connected to the lower surface of the cutting table.

[0012] Furthermore, the modified and expanded tunnel rail-type cutting trolley also includes a horizontal moving frame and a horizontal moving telescopic cylinder; two sliding grooves are symmetrically arranged on the horizontal moving frame, and two sliding blocks are symmetrically arranged at the lower end of the lifting frame; each sliding block is slidably connected to a sliding groove; the telescopic end of the horizontal moving telescopic cylinder is vertically and fixedly connected to the lower end of the lifting frame, and the fixed end of the horizontal moving telescopic cylinder is fixedly connected to the horizontal moving frame, and the horizontal moving telescopic cylinder is used to drive the lifting frame to move along the sliding groove.

[0013] Furthermore, the modified and expanded tunnel track cutting trolley also includes four fixed structures, and the horizontal moving frame is a rectangular frame structure; the four fixed structures are respectively arranged at the four corners of the horizontal moving frame, and each fixed structure includes a fixed telescopic cylinder and a moving wheel; the fixed end of the fixed telescopic cylinder is fixed and vertically connected to the horizontal moving frame, and the moving wheel is rotatably arranged below the horizontal moving frame.

[0014] Preferably, two upper sliding wheels and a lower sliding wheel are provided on the mobile frame, the two upper sliding wheels are symmetrical and rotatably connected below the mobile frame, and the lower sliding wheel is provided below the two upper sliding wheels and rotatably connected to the mobile frame; the wheel surfaces of the two upper sliding wheels are in contact with the outer arc surface of the arc track, and the wheel surface of the lower sliding wheel is in contact with the inner arc surface of the arc track.

[0015] Preferably, a receiving groove for receiving the arc-shaped rack is provided on the outer arc surface of the arc-shaped track;

[0016] Preferably, the two upper sliding wheels are groove wheels, and the wheel grooves of the two upper sliding wheels are respectively in contact with the outer arc surfaces of the arc-shaped tracks on both sides of the receiving groove.

[0017] Preferably, the horizontally movable telescopic cylinder, the fixed telescopic cylinder, and the lifting telescopic cylinder are all hydraulic telescopic cylinders or electric telescopic cylinders.

[0018] Due to the adoption of the above technical solution, the utility model has achieved technical progress compared with the prior art in that the structure is simple, and it can not only perform circumferential cutting of the tunnel, but also realize longitudinal cutting of the track. It is not necessary to set up a frame to fix the trolley every time cutting, which makes the operation more convenient and improves the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 This is a structural schematic diagram of a track-type cutting trolley for tunnel reconstruction and expansion according to the utility model;

[0021] Figure 2 Another schematic diagram of a track-type cutting trolley for tunnel reconstruction and expansion according to the utility model;

[0022] Main component symbols

[0023]

[0024]

[0025] The following specific implementation will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0026] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by the technical personnel in the technical field of the utility model. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0027] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0028] See also Figure 1-2 , the embodiment of the utility model provides a track-type cutting trolley for tunnel reconstruction and expansion, comprising an arc track 1 and a cutting structure 2;

[0029] The outer arc surface of the arc track 1 is provided with an arc rack 11, and the cutting structure 2 includes a moving frame 21, a moving motor 22, a rotating motor 23, a cutting motor 24, a cutting table 25, and a cutting disc 26;

[0030] The movable frame 21 is movably connected to the arc track 1, and the movable motor 22 and the rotating motor 23 are fixedly arranged on the movable frame 21; the output end of the movable motor 22 is meshed and connected with the arc rack 11, and the movable motor 22 is used to drive the movable frame 21 to move along the arc track 1; the cutting table 25 is arranged above the movable frame 21, and the output end of the rotating motor 23 is fixedly connected to the lower surface of the cutting table 25, and the rotating motor 23 is used to drive the cutting table 25 to rotate; the cutting motor 24 is fixedly arranged on the cutting table 25, and the output end of the cutting motor 24 is connected to the cutting disc 26; the cutting disc 26 is driven to rotate by the cutting motor 24.

[0031] Furthermore, the modified and expanded tunnel track cutting trolley also includes a lifting frame 31, a lifting plate 32, and a lifting telescopic cylinder 33; the lifting plate 32 is fixedly connected to both ends of the arc track 1; the fixed end of the lifting telescopic cylinder 33 is fixedly arranged on the top of the lifting frame 31, and the telescopic end of the lifting telescopic cylinder 33 is fixedly connected to the lower end of the lifting plate 32; the lifting telescopic cylinder 33 is used to drive the arc track 1 to move vertically relative to the lifting frame 31.

[0032] Furthermore, the modified and expanded tunnel track cutting trolley also includes two sliding rods 34, which are symmetrically arranged on both sides of the lifting and telescopic cylinder 33, one end of the sliding rod 34 is slidably connected to the lifting plate 32, and the other end is fixedly connected to the top of the lifting frame 31.

[0033] Furthermore, the cutting table 25 is horizontally disposed above the movable frame 21 , and the output end of the rotary motor 23 is vertically connected to the lower surface of the cutting table 25 .

[0034] Furthermore, the modified and expanded tunnel track cutting trolley also includes a horizontal moving frame 4 and a horizontal moving telescopic cylinder 42; two sliding grooves 41 are symmetrically arranged on the horizontal moving frame 4, and two sliding blocks 40 are symmetrically arranged at the lower end of the lifting frame 31; each sliding block is slidably connected to a sliding groove 41; the telescopic end of the horizontal moving telescopic cylinder 42 is vertically and fixedly connected to the lower end of the lifting frame 31, and the fixed end of the horizontal moving telescopic cylinder 42 is fixedly connected to the horizontal moving frame 4, and the horizontal moving telescopic cylinder 42 is used to drive the lifting frame 31 to move along the sliding groove 41.

[0035] Furthermore, the modified and expanded tunnel track cutting trolley also includes four fixed structures 5, and the horizontal moving frame 4 is a rectangular frame structure; the four fixed structures 5 are respectively arranged at the four corners of the horizontal moving frame 4, and each fixed structure 5 includes a fixed telescopic cylinder 51 and a moving wheel 52; the fixed end of the fixed telescopic cylinder 51 is fixed and vertically connected to the horizontal moving frame 4, and the moving wheel 52 is rotatably arranged below the horizontal moving frame 4.

[0036] In one embodiment of the utility model, two upper sliding wheels 211 and a lower sliding wheel 212 are provided on the mobile frame 21. The two upper sliding wheels 211 are symmetrical and rotatably connected below the mobile frame 21. The lower sliding wheel 212 is provided below the two upper sliding wheels 211 and rotatably connected to the mobile frame 21. The wheel surfaces of the two upper sliding wheels 211 are in contact with the outer arc surface of the arc track 1, and the wheel surface of the lower sliding wheel 212 is in contact with the inner arc surface of the arc track 1.

[0037] In one embodiment of the present invention, a receiving groove 10 for receiving the arc-shaped rack 11 is provided on the outer arc surface of the arc-shaped track 1;

[0038] In one embodiment of the present invention, the two upper sliding wheels 211 are groove wheels, and the wheel grooves of the two upper sliding wheels 211 are in contact with the outer arc surfaces of the arc track 1 on both sides of the receiving groove 10 respectively.

[0039] In one embodiment of the present invention, the horizontal moving telescopic cylinder 42, the fixed telescopic cylinder 51, and the lifting telescopic cylinder 33 are all hydraulic telescopic cylinders or electric telescopic cylinders.

[0040] In one embodiment of the present invention, the arc track 1 is consistent with the curvature of the tunnel.

[0041] When the utility model is used, the cutting disc 26 is driven by the moving motor 22 to move along the arc track 1 to perform circular cutting on the inner wall of the tunnel. At this time, the cutting disc 26 is parallel to the side of the arc track 1. The cutting disc 26 is driven by the rotating motor 23 to rotate to be perpendicular to the side of the arc track 1. The cutting disc 26 is driven by the horizontal moving telescopic cylinder 42 to move horizontally relative to the horizontal moving frame 4, so that the cutting disc 26 can achieve longitudinal cutting of the inner wall of the tunnel, meeting the needs of tunnel reconstruction and expansion.

[0042] The cutting blade 26 can be driven to move vertically relative to the inner wall of the track by lifting the telescopic cylinder 33. The track-type cutting trolley for tunnel reconstruction and expansion can be pushed to move in the tunnel by the moving wheels 52. When the track-type cutting trolley for tunnel reconstruction and expansion moves to the position where work is required, the fixed telescopic cylinder 51 is extended to make the moving wheels 52 of the track-type cutting trolley for tunnel reconstruction and expansion suspended, thereby preventing the track-type cutting trolley for tunnel reconstruction and expansion from moving.

[0043] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A track-type cutting trolley for tunnel reconstruction and expansion, characterized in that: Including curved tracks and cutting structures; The outer arc surface of the arc track is provided with an arc rack, and the cutting structure includes a moving frame, a moving motor, a rotating motor, a cutting motor, a cutting table, and a cutting disc; The movable frame is movably connected to the arc track, and the movable motor and the rotating motor are fixedly arranged on the movable frame; the output end of the movable motor is meshed and connected with the arc rack, and the movable motor is used to drive the movable frame to move along the arc track; the cutting table is arranged above the movable frame, and the output end of the rotating motor is fixedly connected to the lower surface of the cutting table, and the rotating motor is used to drive the cutting table to rotate; the cutting motor is fixedly arranged on the cutting table, and the output end of the cutting motor is connected to the cutting disc; the cutting disc is driven to rotate by the cutting motor.

2. The track-type cutting trolley for tunnel reconstruction and expansion as claimed in claim 1, characterized in that: The tunnel track cutting trolley for renovation and expansion also includes a lifting frame, a lifting plate, and a lifting telescopic cylinder; the lifting plate is fixedly connected to both ends of the arc track; the fixed end of the lifting telescopic cylinder is fixedly arranged on the top of the lifting frame, and the telescopic end of the lifting telescopic cylinder is fixedly connected to the lower end of the lifting plate; the lifting telescopic cylinder is used to drive the arc track to move vertically relative to the lifting frame.

3. The track-type cutting trolley for tunnel reconstruction and expansion as claimed in claim 2, characterized in that: The tunnel track cutting trolley for reconstruction and expansion also includes two sliding rods, which are symmetrically arranged on both sides of the lifting and telescopic cylinder. One end of the sliding rod is slidably connected to the lifting plate, and the other end is fixedly connected to the top of the lifting frame.

4. The track-type cutting trolley for tunnel reconstruction and expansion as claimed in claim 3, characterized in that: The tunnel track cutting trolley for renovation and expansion also includes a horizontal moving frame and a horizontal moving telescopic cylinder; two sliding grooves are symmetrically arranged on the horizontal moving frame, and two sliding blocks are symmetrically arranged at the lower end of the lifting frame; each sliding block is slidably connected to a sliding groove; the telescopic end of the horizontal moving telescopic cylinder is vertically and fixedly connected to the lower end of the lifting frame, and the fixed end of the horizontal moving telescopic cylinder is fixedly connected to the horizontal moving frame, and the horizontal moving telescopic cylinder is used to drive the lifting frame to move along the sliding groove.

5. The track-type cutting trolley for tunnel reconstruction and expansion as claimed in claim 4, characterized in that: The tunnel track cutting trolley for reconstruction and expansion also includes four fixed structures, and the horizontal moving frame is a rectangular frame structure; the four fixed structures are respectively arranged at the four corners of the horizontal moving frame, and each fixed structure includes a fixed telescopic cylinder and a moving wheel; the fixed end of the fixed telescopic cylinder is fixed and vertically connected to the horizontal moving frame, and the moving wheel is rotatably arranged under the horizontal moving frame.

6. The track-type cutting trolley for tunnel reconstruction and expansion as claimed in claim 5, characterized in that: Two upper sliding wheels and a lower sliding wheel are arranged on the mobile frame. The two upper sliding wheels are symmetrical and rotatably connected under the mobile frame. The lower sliding wheel is arranged under the two upper sliding wheels and rotatably connected to the mobile frame. The wheel surfaces of the two upper sliding wheels are in contact with the outer arc surface of the arc track, and the wheel surface of the lower sliding wheel is in contact with the inner arc surface of the arc track.

7. The track-type cutting trolley for tunnel reconstruction and expansion as claimed in claim 6, characterized in that: The two upper sliding wheels are groove wheels, and the wheel grooves of the two upper sliding wheels are respectively in contact with the outer arc surfaces of the arc tracks on both sides of the receiving groove.

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