阅读说明：本技术 隧道二衬边墙凿毛设备及凿毛方法 (Tunnel secondary lining side wall roughening equipment and roughening method ) 是由 迟作强 梁鹏飞 郜建永 崔勇 张永胜 卢海鸣 国红卫 郭召荧 于 2021-08-20 设计创作，主要内容包括：本发明提供了一种隧道二衬边墙凿毛设备及凿毛方法,提高了施工进度并且降低了成本。凿毛设备包括：支架；多个凿毛装置,设置在凿毛固定架上,包括主体、凿毛头、推力杆、弹簧、滑动块和定位销,推力杆固定在移动架上,凿毛固定架两侧设有滑槽,主体两侧设有与滑槽对应的滑块,弹簧设置在主体与推力杆之间,定位销能够穿过滑槽与滑动块连接为一体；喷淋单元,设置在移动架上,包括注水管,注水管与凿毛单元连通。墙凿毛方法包括以下步骤：调节支撑缸使滑动轮顶在隧道边墙弧形面上；调节凿毛固定架相对移动架距离,推力杆推动滑动块移动合适位置通过定位销定位,使凿毛装置弧度跟隧道边墙弧形面贴合；凿毛装置进行凿毛工作。(The invention provides a tunnel secondary lining side wall roughening device and a roughening method, which improve the construction progress and reduce the cost. The roughening apparatus comprises: a support; the chiseling devices are arranged on the chiseling fixing frame and comprise a main body, a chiseling head, a thrust rod, a spring, sliding blocks and positioning pins, the thrust rod is fixed on the moving frame, sliding grooves are formed in two sides of the chiseling fixing frame, the sliding blocks corresponding to the sliding grooves are arranged in two sides of the main body, the spring is arranged between the main body and the thrust rod, and the positioning pins can penetrate through the sliding grooves and are connected with the sliding blocks into a whole; the spraying unit is arranged on the movable frame and comprises a water injection pipe, and the water injection pipe is communicated with the scabbling unit. The wall roughening method comprises the following steps: adjusting the supporting cylinder to enable the sliding wheel to be pressed against the arc-shaped surface of the side wall of the tunnel; adjusting the distance between the chiseling fixing frame and the moving frame, and pushing the sliding block to move to a proper position by the thrust rod to be positioned by the positioning pin, so that the radian of the chiseling device is attached to the arc-shaped surface of the side wall of the tunnel; the chiseling device performs chiseling work.)

1. A tunnel secondary lining side wall roughening equipment is characterized by comprising:

the support comprises a scabbling fixing frame and a moving frame, and the scabbling fixing frame is arranged on the moving frame;

the chiseling device comprises a plurality of chiseling devices (1), wherein the chiseling devices (1) are arranged on a chiseling fixing frame (8) and comprise a main body (9), a chiseling head (10), a thrust rod (12), a spring (13), a sliding block (11) and a positioning pin (19), the thrust rod (12) is fixed on a moving frame, sliding grooves are formed in two sides of the chiseling fixing frame (8), sliding blocks (11) corresponding to the sliding grooves are arranged in two sides of the main body (9), the spring (13) is arranged between the main body (9) and the thrust rod (12), and the positioning pin (19) can penetrate through the sliding grooves and is connected with the sliding blocks (11) into a whole;

and the spraying unit (9) is arranged on the movable frame (2) and comprises a water injection pipe, and the water injection pipe is communicated with the scabbling unit.

2. The tunnel secondary lining side wall roughening device according to claim 1, wherein: chisel hair mount (8) are including carriage (15), link (16) and arc frame, and carriage (15) are connected as an organic whole and are formed a plurality of chisel hair devices through link (16) and arc frame and hold chamber (A), and arc frame (17) are including connecting arc (17) as an organic whole through the baffle.

3. The tunnel secondary lining side wall roughening device according to claim 2, wherein: the movable frame comprises a support frame (3) and a movable base (5), the support frame (3) is arranged on the movable base (5), a guide rail sliding block pair is arranged between the support frame (3) and a sliding frame (15), and the guide rail sliding block pair comprises a guide rail arranged on the support frame (3) and a sliding block (14) arranged on the sliding frame (15).

4. The tunnel secondary lining side wall roughening device according to claim 2, wherein: both ends of the scabbling fixing frame (8) are provided with sliding wheels (2) through wheel carriers, and a supporting cylinder (7) is arranged between the wheel carriers and the movable base (5).

5. The tunnel secondary lining side wall roughening apparatus according to any one of claims 1 to 5, wherein: the two ends of the movable base (5) are provided with movable wheels (6).

6. The tunnel secondary lining side wall roughening apparatus according to any one of claims 1 to 5, wherein: the fixed frame (5) and the movable frame (2) are both frame structures formed by welding profile steels.

7. A tunnel secondary lining side wall roughening method by using the tunnel secondary lining side wall roughening equipment is characterized in that: the method comprises the following steps:

(a) after the equipment is hoisted to a working site, the equipment is placed along the trench edge of the side wall of the tunnel, and the movable wheels (6) are adjusted to be attached to the trench wall of the side wall of the tunnel in a lateral mode, so that the equipment can automatically move forwards and backwards along the trench;

(b) adjusting the supporting cylinder (7) to enable the sliding wheel (2) to be pressed against the arc-shaped surface of the side wall of the tunnel;

(c) adjusting the distance between the chiseling fixing frame (8) and the moving frame, and pushing the sliding block (11) to move to a proper position by the thrust rod (12) and positioning by the positioning pin (19) so that the radian of the chiseling device (1) is attached to the arc-shaped surface of the tunnel side wall;

(d) opening the spraying unit (9);

(e) the chiseling mechanism is started, the moving wheel (6) moves, and the chiseling device (1) performs chiseling work.

Technical Field

The invention relates to wall roughening equipment, in particular to tunnel secondary lining side wall roughening equipment and a roughening method.

Background

In the tunnel construction process, the secondary lining side wall of the tunnel is subjected to scabbling treatment so as to improve the adhesive force of the concrete surface and ensure that the construction surfaces in two construction stages are firmly bonded.

The two lining chisels in current tunnel adopt artifical mode to carry out and though have maneuverability, the efficiency of construction is low excessively, and construction cost is too high, cuts often to appear chiseling the hair area not enough, and the chisel hair depth is too shallow, and the chisel hair effect is unsatisfactory.

Disclosure of Invention

The invention aims to provide a tunnel secondary lining side wall roughening device and a roughening method, which improve the construction progress and reduce the cost.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a tunnel secondary lining side wall roughening device comprises:

the support comprises a scabbling fixing frame and a moving frame, and the scabbling fixing frame is arranged on the moving frame;

the chiseling devices are arranged on the chiseling fixing frame and comprise a main body, a chiseling head, a thrust rod, a spring, sliding blocks and positioning pins, the thrust rod is fixed on the moving frame, sliding grooves are formed in two sides of the chiseling fixing frame, the sliding blocks corresponding to the sliding grooves are arranged in two sides of the main body, the spring is arranged between the main body and the thrust rod, and the positioning pins can penetrate through the sliding grooves and are connected with the sliding blocks into a whole;

the spraying unit is arranged on the movable frame and comprises a water injection pipe, and the water injection pipe is communicated with the scabbling unit.

The tunnel secondary lining side wall chiseling equipment preferred scheme, the chiseling mount include carriage, link and arc frame, and the carriage passes through link and arc frame to be connected as an organic whole and forms a plurality of chiseling device and hold the chamber, and the arc frame includes connects as an organic whole arc through the baffle.

According to the optimal scheme of the tunnel secondary lining side wall roughening equipment, the moving frame comprises a support frame and a moving base, the support frame is arranged on the moving base, a guide rail sliding block pair is arranged between the support frame and the sliding frame, and the guide rail sliding block pair comprises a guide rail arranged on the support frame and a sliding block arranged on the sliding frame.

According to the preferable scheme of the tunnel secondary lining side wall roughening equipment, two ends of a roughening fixing frame are provided with sliding wheels through wheel carriers, and a supporting cylinder is arranged between the wheel carriers and a movable base.

According to the preferable scheme of the tunnel secondary lining side wall roughening equipment, moving wheels are arranged at two ends of a moving base.

According to the preferable scheme of the tunnel secondary lining side wall roughening equipment, the fixed frame and the movable frame are of a frame structure formed by welding profile steels.

A tunnel secondary lining side wall roughening method by using the tunnel secondary lining side wall roughening equipment comprises the following steps:

(a) after the equipment is hoisted to a working site, the equipment is placed along the trench edge of the side wall of the tunnel, and the movable wheels are adjusted to be attached to the trench wall of the side wall of the tunnel in the lateral direction, so that the equipment can automatically move forwards and backwards along the trench;

(b) adjusting the supporting cylinder to enable the sliding wheel to be pressed against the arc-shaped surface of the side wall of the tunnel;

(c) adjusting the distance between the chiseling fixing frame and the moving frame, and pushing the sliding block to move to a proper position by the thrust rod to be positioned by the positioning pin, so that the radian of the chiseling device is attached to the arc-shaped surface of the side wall of the tunnel;

(d) opening a spraying unit;

(e) and starting the scabbling mechanism, moving the moving wheel, and performing scabbling work by the scabbling device.

The invention has the advantages that: before the chisel hair part is started, the chisel hair device controls the position and the moving distance of the chisel hair by adjusting the tangent of the operation cambered surface at the chisel hair point; the spraying mechanism is arranged to spray water to the construction wall, so that labor force and water are effectively saved, the chiseling efficiency is high, the effect is good, and the construction period can be greatly shortened while the construction quality is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the roughening device of the present invention.

Fig. 3 is a schematic structural view of the chisel hair fixing frame of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1 and 2, the tunnel secondary lining side wall roughening equipment comprises a bracket, a plurality of roughening devices 1 and a spraying unit 9; the support comprises a scabbling fixing frame and a moving frame, and the scabbling fixing frame is arranged on the moving frame; the plurality of scabbling devices 1 are arranged on a scabbling fixed frame 8 and comprise a main body 9, a scabbling head 10, a thrust rod 12, a spring 13, sliding blocks 11 and positioning pins 19, wherein the thrust rod 12 is fixed on a moving frame, sliding grooves are formed in two sides of the scabbling fixed frame 8, the sliding blocks 11 corresponding to the sliding grooves are arranged in two sides of the main body 9, the spring 13 is arranged between the main body 9 and the thrust rod 12, and the positioning pins 19 can penetrate through the sliding grooves and are connected with the sliding blocks 11 into a whole; and the spraying unit 9 is arranged on the movable frame 2 and comprises a water injection pipe, and the water injection pipe is communicated with the scabbling unit.

Referring to fig. 3, the scabbling fixture 8 includes a carriage 15, a connecting frame 16 and an arc frame, the carriage 15 is connected with the arc frame through the connecting frame 16 to form a plurality of scabbling device accommodating chambers a, and the arc frame 17 includes an arc plate 17 connected with a partition plate.

The movable frame comprises a support frame 3 and a movable base 5, the support frame 3 is arranged on the movable base 5, a guide rail sliding block pair is arranged between the support frame 3 and a sliding frame 15, and the guide rail sliding block pair comprises a guide rail arranged on the support frame 3 and a sliding block 14 arranged on the sliding frame 15.

The two ends of the scabbling fixing frame 8 are provided with sliding wheels 2 through wheel carriers, and a supporting cylinder 7 is arranged between the wheel carriers and the movable base 5. The two ends of the movable base 5 are provided with movable wheels 6.

The fixed frame 5 and the movable frame 2 are both frame structures formed by welding profile steels.

A tunnel secondary lining side wall roughening method by using the tunnel secondary lining side wall roughening equipment comprises the following steps:

(a) after the equipment is hoisted to a working site, the equipment is placed along the trench edge of the side wall of the tunnel, and the movable wheels 6 are adjusted to be attached to the trench wall of the side wall of the tunnel in a lateral mode, so that the equipment can automatically move forwards and backwards along the trench;

(b) adjusting the supporting cylinder 7 to enable the sliding wheel 2 to be pressed against the arc-shaped surface of the side wall of the tunnel;

(c) adjusting the distance between the chiseling fixing frame 8 and the moving frame, and pushing the sliding block 11 to move to a proper position by the thrust rod 12 and positioning the sliding block by the positioning pin 19 so that the radian of the chiseling device 1 is attached to the arc-shaped surface of the side wall of the tunnel;

(d) the spraying unit 9 is opened;

(e) the roughening mechanism is started, the moving wheel 6 moves, and the roughening device 1 performs the roughening operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.