阅读说明：本技术 一种多自由度的tbm锚杆钻机 (TBM anchor rod drilling machine with multiple degrees of freedom ) 是由 孙楠楠 薛建国 谭友荣 李志刚 夏庆发 张开猛 郭磊 张佳佳 杨鹏鹏 吴思 朱振 于 2019-11-07 设计创作，主要内容包括：本发明属于工程机械技术领域,具体涉及一种多自由度的TBM锚杆钻机。解决了现有技术中锚杆钻机的钻孔方向与隧道轮廓线法线方向夹角较大,导致锚固效果差的问题,本发明的技术方案是：包括锚杆钻机和安装架(2),所述安装架(2)上设置有第一旋转油缸(3),所述第一旋转油缸(3)连接有旋转臂(4),所述旋转臂(4)连接有第二旋转油缸(5),所述第二旋转油缸(5)与锚杆钻机连接,所述第一旋转油缸(3)的轴线方向与第二旋转油缸(5)的轴线方向平行。本发明增加了锚杆钻机的自由度,使锚杆钻机的钻孔方向与隧道轮廓线法线方向的夹角减小,提高了锚杆的锚固效果,适用于对隧道进行加固支护。(The invention belongs to the technical field of engineering machinery, and particularly relates to a multi-degree-of-freedom TBM (tunnel boring machine) anchor rod drilling machine, which solves the problem of poor anchoring effect caused by a large included angle between the drilling direction of the anchor rod drilling machine and the normal direction of a tunnel contour line in the prior art.)

The TBM jumbolter with multiple degrees of freedom is 1 and and is characterized by comprising a jumbolter and an installation frame (2), wherein a th rotary oil cylinder (3) is arranged on the installation frame (2), the th rotary oil cylinder (3) is connected with a rotary arm (4), the rotary arm (4) is connected with a second rotary oil cylinder (5), the second rotary oil cylinder (5) is connected with the jumbolter, and the axis direction of the th rotary oil cylinder (3) is parallel to the axis direction of the second rotary oil cylinder (5).

2. The multiple degree of freedom TBM roofbolter of claim 1, characterized in that the swivel cylinder (3) and the second swivel cylinder (5) are capable of 360 ° rotation.

3. The multiple degrees of freedom TBM jumbolter as recited in claim 1, wherein the jumbolter comprises a fixed portion (7) and a drill body (6), the drill body (6) is slidably connected with the fixed portion (7), and the fixed portion (7) is connected with the second rotary cylinder (5).

4. The multiple degree of freedom TBM roofbolter of claim 1, characterized in that the swivel cylinder (3) is installed in the middle of the mounting bracket (2).

5. The multiple degrees of freedom TBM roofbolter as recited in claim 1, characterized in that a track (9) is provided below the mounting bracket (2), and a slide cylinder (10) is connected to the mounting bracket (2).

6. The multiple degrees of freedom TBM roofbolter of claim 5, characterized in that a base (8) is arranged below the mounting frame (2), and the base (8) is connected with a rail (9) in a sliding manner.

Technical Field

The invention belongs to the technical field of engineering machinery, and particularly relates to multi-degree-of-freedom TBM (tunnel boring machine) roofbolters.

Background

When a hard rock tunnel boring machine (TBM for short) is constructed, after a front cutter head is used for boring, in order to prevent rock collapse, a cross beam at the rear part of the TBM is provided with a jumbolter, the jumbolter is used for drilling holes, and then an anchor rod is arranged to strengthen the support of a tunnel wall, so that the rock stability is improved, and safety guarantee is provided for subsequent construction.

Disclosure of Invention

Aiming at the problem that the anchoring effect is poor due to the fact that the included angle between the drilling direction of the anchor rod drilling machine and the normal direction of the tunnel contour line is large in the prior art, the invention provides kinds of multi-degree-of-freedom TBM anchor rod drilling machines, and aims to increase the degree of freedom of the anchor rod drilling machine, reduce the included angle between the drilling direction of the anchor rod drilling machine and the normal direction of the tunnel contour line and improve the anchoring effect of an anchor rod.

The technical scheme adopted by the invention is as follows:

TBM roofbolter of multi freedom, including roofbolter and mounting bracket, be provided with the rotatory hydro-cylinder of on the mounting bracket, the rotatory hydro-cylinder of is connected with the swinging boom, the swinging boom is connected with the rotatory hydro-cylinder of second, the rotatory hydro-cylinder of second is connected with the roofbolter, the axis direction of the rotatory hydro-cylinder of is parallel with the axis direction of the rotatory hydro-cylinder of second.

After adopting this technical scheme, changes the hydro-cylinder and can drive the swinging boom rotatory, and the second swinging boom that the swinging boom is connected can drive the jumbolter rotatory, makes the jumbolter have a plurality of degrees of freedom, is convenient for adjust the contained angle between jumbolter and the tunnel contour line normal direction, makes the contained angle diminishes and is close 0 degree even, under the same circumstances of stock length, can make the anchor degree of depth of stock darker, and the anchor effect is better.

Preferably, the th rotary cylinder and the second rotary cylinder can realize 360-degree rotation.

After the technical scheme is adopted, the jumbolter can rotate for 360 degrees, and any position on the side wall of the tunnel is convenient to anchor.

Preferably, the jumbolter comprises a fixing portion and a drilling machine body, the drilling machine body is connected with the fixing portion in a sliding mode, and the fixing portion is connected with the second rotary oil cylinder.

After the technical scheme is adopted, the distance between the anchor rod drilling machine and the side wall can be adjusted, the rotation of the anchor rod drilling machine is facilitated, the included angle between the drilling direction of the anchor rod drilling machine and the normal direction of the tunnel contour line can reach the minimum at any position of the tunnel side wall, and the anchoring effect of the anchor rod is guaranteed.

Preferably, the th rotary cylinder is arranged in the middle of the mounting frame.

After the technical scheme is adopted, the th rotary oil cylinder is the same as the distance of the tunnel side wall, so that the jumbolter can carry out symmetrical construction on the tunnel side wall, the operation is convenient, the stress of the mounting frame is balanced, and the structure is more stable.

Preferably, a track is arranged below the mounting frame, and the mounting frame is connected with a sliding oil cylinder.

After the technical scheme is adopted, the sliding oil cylinder can push the mounting frame to slide in the track, and when a hard rock tunnel boring machine (namely TBM) does not tunnel forwards, the anchor rod drilling machine can move along the axis of the tunnel, so that the anchor rod drilling machine is aligned to the position of the anchoring point.

Preferably, a base is arranged below the mounting frame and is in sliding connection with the rail.

After the technical scheme is adopted, the contact area between the mounting frame and the track is increased, and the stability of the anchor rod drilling machine can be improved.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. changes the hydro-cylinder and can drive the swinging boom rotatory, and the second swinging boom that the swinging boom is connected can drive the roofbolter rotatory, makes the roofbolter have a plurality of degrees of freedom, is convenient for adjust the contained angle between roofbolter and the tunnel contour line normal direction, makes the contained angle diminishes and is close 0 degree even, under the same circumstances of stock length, can make the anchor degree of depth of stock darker, and the anchor effect is better.

2. The jumbolter can rotate 360 degrees, and is convenient for anchoring any position on the side wall of the tunnel.

3. The anchor rod drilling machine is characterized in that the drilling machine body is connected with the fixing portion in a sliding mode, the fixing portion is connected with the second rotary oil cylinder, the distance between the anchor rod drilling machine and the side wall can be adjusted, the anchor rod drilling machine can rotate conveniently, the included angle between the drilling direction of the anchor rod drilling machine and the normal direction of the tunnel contour line can reach the minimum at any position of the side wall of the tunnel, and the anchoring effect of an anchor rod is guaranteed.

4. The rotary oil cylinder is installed in the middle part of mounting bracket, and the rotary oil cylinder is the same with the distance of tunnel lateral wall, makes roofbolter carry out the symmetry construction to the tunnel lateral wall, the operation of being convenient for, and the mounting bracket atress is balanced moreover, and the structure is more stable.

5. A track is arranged below the mounting frame, the mounting frame is connected with a sliding oil cylinder, the sliding oil cylinder can push the mounting frame to slide in the track, and when a hard rock tunnel boring machine (namely a TBM) does not conduct forward boring, the anchor rod drilling machine can move along the axis of the tunnel, and the anchor rod drilling machine is aligned to the position of an anchoring point.

6. The base is arranged below the mounting frame and is in sliding connection with the rails, the contact area of the mounting frame and the rails is increased, and the stability of the anchor rod drilling machine can be improved.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a conventional jumbolter construction.

The tunnel boring machine comprises a 1-TBM cross beam, a 2-mounting frame, a 3- th rotary oil cylinder, a 4-rotating arm, a 5-second rotary oil cylinder, a 6-boring machine body, a 7-fixing part, a 8-base, a 9-track, a 10-sliding oil cylinder, an 11-anchor boring machine, a 12-big gear ring and a 13-tunnel contour line normal direction.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1 and 2.

TBM jumbolter with multiple degrees of freedom comprises a jumbolter and an installation frame 2, wherein the installation frame 2 is provided with a rotary cylinder 3, in the embodiment, the installation frame 2 is a -shaped bracket, two ends of the bracket are connected with a TBM cross beam 1, the installation frame 2 can advance along the axis direction of a tunnel along with the tunneling of a TBM, a 0 rotary cylinder 3 is installed on the cross beam of the -shaped bracket, the axis direction of a 1 rotary cylinder 3 is parallel to the axis direction of the tunnel, the rotary cylinder 3 is connected with a rotary arm 4, an end of the rotary arm 4 is connected with a rotary cylinder 3, an end of the rotary cylinder is connected with a second rotary cylinder 5, the second rotary cylinder 5 is connected with the jumbolter, the axis direction of the rotary cylinder 3 is parallel to the axis direction of the second rotary cylinder 5, the jumbolter can rotate around the rotary cylinder 3 and the second rotary cylinder 5, the freedom degree of the jumbolter is increased, the included angle between the rotation plane of the jumbolter and the axis direction of the tunnel can be conveniently adjusted, and the included angle between the anchor line direction of the tunnel can be increased, and the anchor line direction of the tunnel.

The th rotary oil cylinder 3 and the second rotary oil cylinder 5 can realize 360-degree rotation.

Roofbolter includes fixed part 7 and rig body 6, fixed part 7 is connected with second rotatory hydro-cylinder 5 in this embodiment, be provided with the guide rail on the rig body 6, fixed part 7 slides on the guide rail, set up the hydro-cylinder in the fixed part 7, the push rod end of hydro-cylinder is connected with the end of rig body, set up like this, can adjust roofbolter's turning radius, be convenient for control the distance between rig body 6 and the tunnel lateral wall, touch the tunnel lateral wall when avoiding roofbolter to rotate, cause the damage to roofbolter, and after setting up like this, also be convenient for adjust the contained angle size between roofbolter drilling direction and the tunnel contour line normal direction, at each anchor point the contained angle can both reach minimum, reinforcing anchor effect.

The th rotary oil cylinder 3 is installed in the middle of the mounting frame 2, the mounting frame 2 is stressed evenly, and stability is better.

A track 9 is arranged below the mounting frame 2, the mounting frame 2 is connected with a sliding oil cylinder 10, in the embodiment, the track 9 is arranged on the TBM beam 1, the direction of the track 9 is parallel to the axis direction of the tunnel, the lower end of the mounting frame 2 is connected with the track 9 in a sliding mode, the sliding oil cylinder 10 end is connected with the mounting frame 2, the other end end is connected with the TBM beam 1, and the sliding oil cylinder 10 can push the mounting frame 2 to slide along the track 9.

A base 8 is arranged below the mounting frame 2, and the base 8 is connected with a rail 9 in a sliding mode. The base 8 increases the contact area between the mounting frame 2 and the rail 9, so that the stability of the mounting frame 2 is better.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.