CN214836367U

CN214836367U - 360 rotatory circumferential weld drilling equipment of degree

Info

Publication number: CN214836367U
Application number: CN202121286831.1U
Authority: CN
Inventors: 陈传洪; 罗雪; 李群峰; 钟宣阳; 田怀波; 肖燕
Original assignee: Chongqing Honggong Engineering Machinery Co ltd
Current assignee: Chongqing Honggong Engineering Machinery Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-11-23
Anticipated expiration: 2031-06-09

Abstract

The utility model provides a 360-degree rotary circular seam drilling device, which comprises a drill cylinder, a drill frame, a first rotary seat, a telescopic arm, a second rotary seat, a first positioning nail and a second positioning nail; the drill cylinder is arranged on the top surface of the drill frame; the top surface of the first rotating seat is connected with the bottom surface of the drilling frame; the telescopic arm comprises a fixed arm and a sliding arm, the top end of the fixed arm is fixedly connected with the bottom end of the first rotating seat, the sliding arm is sleeved on the periphery of the fixed arm, and the outer wall of the bottom end of the sliding arm is sleeved with the second rotating seat; the first positioning nail is arranged on the second rotating seat in a telescopic mode, and the second positioning nail is arranged at the front end of the drill frame. On one hand, the first positioning nail and the second positioning nail are arranged, so that the drill frame is nailed into the rock wall during circumferential seam operation of the drill cylinder to enhance the stability of the drill frame and prevent displacement; on the other hand, when the arch crown arc section is drilled, the first positioning nail is used as the circle center, the drilling device is rotated to form the array hole of the arc section, the construction precision of the array hole is improved, and the roundness of the arch part of the tunnel is improved.

Description

360 rotatory circumferential weld drilling equipment of degree

Technical Field

The utility model relates to a piling machinery field, concretely relates to 360 rotatory circumferential weld drilling equipment of degree.

Background

With the rapid development of infrastructure construction of highways, urban subways and the like in China, more and more projects are required to dig tunnels, and various circular seam drilling machines are more and more widely applied.

The construction method of the circular seam drilling machine is that intersecting and/or tangential circular hole seams, namely circular arc section array holes, are sequentially arranged on the edges of the section of the tunnel to determine the outline of the tunnel. When the existing circular seam drilling machine is used for constructing the arc section of the arch part of the tunnel, the position error of the array hole of the arc section is large, so that the roundness of the arch top of the tunnel is poor.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a pair of 360 rotatory circumferential weld drilling equipment of degree has solved current circumferential weld rig when executing to do tunnel hunch portion circular arc section, and circular arc section array hole position error is great, leads to the relatively poor technical problem of tunnel vault circularity.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a360-degree rotating circular seam drilling device comprises a drill cylinder, a drill frame, a first rotating seat, a telescopic arm, a second rotating seat, a first positioning nail and a second positioning nail; the drill cylinder is arranged on the top surface of the drill frame, and a driving mechanism for driving the drill cylinder to rotate and feed is arranged on the drill frame; the top surface of the first rotating seat is connected with the bottom surface of the drilling rig so as to drive the drilling rig to rotate; the telescopic arm comprises a fixed arm and a sliding arm, the top end of the fixed arm is fixedly connected with the bottom end of the first rotating seat, the sliding arm is sleeved on the periphery of the fixed arm, and the outer wall of the bottom end of the sliding arm is sleeved with the second rotating seat; the first positioning nail is arranged on the second rotating seat in a telescopic mode, and the second positioning nail is arranged at the front end of the drill frame.

Optionally, the second rotating seat comprises a worm wheel, a worm, a motor, a shell and a mounting seat, the worm wheel is sleeved on the periphery of the sliding arm through a bearing, the worm wheel is in transmission connection with at least one worm, the shell is sleeved on the periphery of the sliding arm and covers the worm wheel and the worm, the worm is in rotation connection with the shell, and the motor is in transmission connection with one end of the worm; the mounting seat bottom surface and worm wheel top surface fixed connection are used for setting first location nail.

Optionally, the second rotating base further comprises a bottom support seat, the bottom support seat is sleeved on the periphery of the sliding arm, and the top surface of the bottom support seat is fixedly connected with the bottom surface of the shell.

Optionally, a positioning oil cylinder is arranged on the top surface of the second rotating seat, and the first positioning nail is connected with the end of a piston rod of the positioning oil cylinder.

Optionally, there are two second positioning pins, and the two second positioning pins and the first positioning pin cooperate to form three-point stable positioning.

Optionally, a sliding seat is clamped between the drilling rig and the first rotating seat, the drilling rig is slidably disposed on the top surface of the sliding seat, the top surface of the first rotating seat is connected with the bottom surface of the sliding seat, and a transverse moving oil cylinder is connected between the sliding seat and the drilling rig.

Optionally, a distance-adjusting oil cylinder is connected between the outer wall of the fixed arm or the bottom surface of the first rotating seat and the outer wall of the sliding arm.

Optionally, a movable arm is further connected to the outer wall of the sliding arm.

According to the above technical scheme, the beneficial effects of the utility model are that:

the utility model provides a 360-degree rotary circular seam drilling device, which comprises a drill cylinder, a drill frame, a first rotary seat, a telescopic arm, a second rotary seat, a first positioning nail and a second positioning nail; the drill cylinder is arranged on the top surface of the drill frame, and a driving mechanism for driving the drill cylinder to rotate and feed is arranged on the drill frame; the top surface of the first rotating seat is connected with the bottom surface of the drilling rig so as to drive the drilling rig to rotate; the telescopic arm comprises a fixed arm and a sliding arm, the top end of the fixed arm is fixedly connected with the bottom end of the first rotating seat, the sliding arm is sleeved on the periphery of the fixed arm, and the outer wall of the bottom end of the sliding arm is sleeved with the second rotating seat; the first positioning nail is arranged on the second rotating seat in a telescopic mode, and the second positioning nail is arranged at the front end of the drill frame. On one hand, the first positioning nail and the second positioning nail are arranged, so that the drill frame is nailed into the rock wall during circumferential seam operation of the drill cylinder to enhance the stability of the drill frame and prevent displacement; on the other hand, when the arch crown arc section is drilled, the first positioning nail is used as the circle center, the drilling device is rotated to form the array hole of the arc section, the construction precision of the array hole is improved, and the roundness of the arch part of the tunnel is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic perspective view of a 360-degree rotary circular seam drilling device;

FIG. 2 is a front view of a 360 degree rotary trepan drilling apparatus;

FIG. 3 is a schematic structural view of a second rotary base;

FIG. 4 is a cross-sectional view of the connection position of the second rotary seat and the telescopic arm;

FIG. 5 is a schematic construction view of a 360-degree rotary circular seam drilling device;

FIG. 6 is an example of an application of a 360 degree rotary trepan boring device;

reference numerals:

1-a drilling cylinder, 2-a drilling frame, 3-a sliding seat, 4-a first rotating seat, 5-a telescopic arm, 6-a second rotating seat, 7-a first positioning nail, 8-a second positioning nail and 9-a movable arm;

31-a transverse moving oil cylinder, 51-a fixed arm, 52-a sliding arm, 53-a distance-adjusting oil cylinder, 61-a worm wheel, 62-a worm, 63-a motor, 64-a shell, 65-a bearing, 66-a mounting seat, 67-a bottom supporting seat and 71-a positioning oil cylinder.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1-2, the present invention provides a 360-degree rotary circular seam drilling device, which comprises a drill barrel 1, a drill stand 2, a first rotary seat 4, a telescopic arm 5, a second rotary seat 6, a first positioning nail 7 and a second positioning nail 8. The drill cylinder 1 is arranged on the top surface of the drill frame 2, and the drill frame 2 is provided with a driving mechanism for driving the drill cylinder 1 to rotate and feed. The top surface of the first rotating seat 4 is connected with the bottom surface of the drill stand 2, so as to drive the drill stand 2 to rotate, so that the drill stand 2 has 360-degree rotation capability, and the feeding position and angle of the drill barrel 1 can be conveniently adjusted. Telescopic arm 5 includes fixed arm 51 and slide arm 52, fixed arm 51 top and 4 bottom fixed connection of first roating seat, the slide arm 52 cover is established in fixed arm 51 periphery, the outer wall cover in slide arm 52 bottom is equipped with second roating seat 6. In an embodiment, referring to fig. 6, the outer wall of the sliding arm 52 is further connected with a movable arm 9, and the movable arm 9 cooperates with the first rotating seat 4 to complete the angle and position adjustment of the circular seam drilling device, so as to facilitate the positioning and tunneling of the drill cylinder 1. The first positioning nail 7 is telescopically arranged on the second rotating seat 6, and the second positioning nail 8 is arranged at the front end of the drilling rig 2. Specifically, the second rotating seat 6 and the first rotating seat 4 rotate synchronously in the same direction to ensure that the first positioning nail 7 and the second positioning nail 8 are kept parallel, so that the first positioning nail and the second positioning nail can be conveniently driven into the rock wall.

The utility model provides a 360 rotatory circumferential weld drilling equipment of degree, on one hand, through setting up first location nail 7 and second location nail 8, the rock wall is driven into in order to strengthen the stability of drill frame 2 when the drill 1 circumferential weld operation, prevent to shift; on the other hand, when the arch crown arc section is drilled, the first positioning nail 7 is used as the circle center, the drilling device is rotated to form the array hole of the arc section, the construction precision of the array hole is improved, and the roundness of the arch part of the tunnel is improved.

As a further improvement to the above scheme, please refer to fig. 3-4, the second rotating base 6 includes a worm wheel 61, a worm 62, a motor 63, a housing 64 and a mounting base 66, the worm wheel 61 is sleeved on the periphery of the sliding arm 52 through a bearing 65, the worm wheel 61 is in transmission connection with at least one worm 62, the housing 64 is sleeved on the periphery of the sliding arm 52 and covers the worm wheel 61 and the worm 62, the worm 62 is in rotational connection with the housing 64, and meanwhile, the housing 64 also protects the internal worm wheel and worm structure from intrusion of foreign objects, and the motor 63 is in transmission connection with one end of the worm 62; the bottom surface of the mounting seat 66 is fixedly connected with the top surface of the worm wheel 61, so as to be used for arranging the first positioning nail 7. In one embodiment, the worm wheel 61 is in transmission connection with two worms 62 at the same time, and the design of the double worm 62 enables the device to operate more stably. Obviously, the first rotary base 4 may also adopt a structure like the second rotary base 6. Preferably, the second rotating base 6 further comprises a bottom support seat 67, the bottom support seat 67 is sleeved on the periphery of the sliding arm 52, the top surface of the bottom support seat 67 is fixedly connected with the bottom surface of the shell 64, and the bottom support seat 67 is arranged to provide stable supporting force for the shell 64 and the transmission mechanism and the first positioning pin 7 thereon.

As a further improvement to the above scheme, there are two second positioning pins 8, and the two second positioning pins 8 and the first positioning pin 7 cooperate to form three-point stable positioning.

As a further improvement to the above scheme, please refer to fig. 2, a positioning oil cylinder 71 is disposed on the top surface of the second rotating base 6, and the first positioning pin 7 is connected to an end of a piston rod of the positioning oil cylinder 71. On one hand, the first positioning nail 7 is controlled to be nailed into the rock wall through the positioning oil cylinder 71 so as to enhance the stability of the drill frame 2 and prevent the drill frame 2 from shifting when the drill barrel 1 is fed for construction; on the other hand, the pretightening force of the first positioning nail 7 is controlled through the positioning oil cylinder 71 so as to enhance the structural strength of the drill frame 2. Preferably, a sliding seat 3 is clamped between the drilling rig 2 and the first rotating seat 4, the drilling rig 2 is slidably arranged on the top surface of the sliding seat 3, the top surface of the first rotating seat 4 is connected with the bottom surface of the sliding seat 3, and a transverse moving oil cylinder 31 is connected between the sliding seat 3 and the drilling rig 2. And a distance-adjusting oil cylinder 53 is connected between the outer wall of the fixed arm 51 or the bottom surface of the first rotating seat 4 and the outer wall of the sliding arm 52.

When the device is used as a tunnel vault circular arc section, please refer to fig. 5, firstly, the distance between the first positioning nail 7 and the axle center of the drill cylinder 1 is adjusted through the distance adjusting oil cylinder 53, specifically, the distance between the axle center is equal to the circular arc radius of the tunnel vault circular arc section to be tunneled; then, the first positioning nail 7 is pushed into the rock wall through the positioning oil cylinder 71 and pre-tightening force is applied to the first positioning nail to be stably abutted; then, the drill frame 2 is pulled to move forwards through the transverse moving oil cylinder 31, so that the second positioning nails 8 are driven into the rock wall, and the stability of the drill frame 2 is further enhanced; then, the drill barrel 1 is controlled to feed through a driving mechanism on the drill frame 2; after the first circular hole seam is finished, the drill frame 2 is pulled through the transverse moving oil cylinder 31 to enable the second positioning nail 8 to be separated from the rock wall, the movable arm 9 rotates the drilling device with the first positioning nail 7 as the center of a circle to adjust the position of the drill cylinder 1 to the second circular hole seam, and the operation is circulated to finish the circular hole seam construction operation of the circular arc section of the tunnel vault.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A360-degree rotating circular seam drilling device is characterized by comprising a drill cylinder (1), a drill frame (2), a first rotating seat (4), a telescopic arm (5), a second rotating seat (6), a first positioning nail (7) and a second positioning nail (8); the drilling barrel (1) is arranged on the top surface of the drilling frame (2), and a driving mechanism for driving the drilling barrel (1) to rotate and feed is arranged on the drilling frame (2); the top surface of the first rotating seat (4) is connected with the bottom surface of the drilling rig (2) so as to drive the drilling rig (2) to rotate; the telescopic arm (5) comprises a fixed arm (51) and a sliding arm (52), the top end of the fixed arm (51) is fixedly connected with the bottom end of the first rotating seat (4), the sliding arm (52) is sleeved on the periphery of the fixed arm (51), and the outer wall of the bottom end of the sliding arm (52) is sleeved with the second rotating seat (6); the first positioning nail (7) is arranged on the second rotating seat (6) in a telescopic mode, and the second positioning nail (8) is arranged at the front end of the drill frame (2).

2. The 360-degree-rotation circular seam drilling device according to claim 1, characterized in that the second rotating base (6) comprises a worm wheel (61), a worm (62), a motor (63), a housing (64) and a mounting base (66), the worm wheel (61) is sleeved on the periphery of the sliding arm (52) through a bearing (65), the worm wheel (61) is in transmission connection with at least one worm (62), the housing (64) is sleeved on the periphery of the sliding arm (52) and covers the worm wheel (61) and the worm (62), the worm (62) is in rotation connection with the housing (64), and the motor (63) is in transmission connection with one end of the worm (62); the bottom surface of the mounting seat (66) is fixedly connected with the top surface of the worm wheel (61) and used for arranging the first positioning nail (7).

3. A 360 degree rotary circular seam drilling device according to claim 2, wherein the second rotary base (6) further comprises a bottom support base (67), the bottom support base (67) is sleeved on the periphery of the sliding arm (52), and the top surface of the bottom support base (67) is fixedly connected with the bottom surface of the shell (64).

4. A360-degree rotary circular seam drilling device according to claim 1, characterized in that a positioning oil cylinder (71) is arranged on the top surface of the second rotary base (6), and the first positioning nail (7) is connected with the end of a piston rod of the positioning oil cylinder (71).

5. A 360 degree rotation circular seam drilling device according to claim 1 wherein there are two of said second locating pegs (8), two of said second locating pegs (8) cooperating with said first locating peg (7) to form a three point stable location.

6. A360 degree rotary circular seam drilling device according to any one of claims 1-5, characterized in that a sliding base (3) is clamped between the drill frame (2) and the first rotary base (4), the drill frame (2) is slidably arranged on the top surface of the sliding base (3), the top surface of the first rotary base (4) is connected with the bottom surface of the sliding base (3), and a traverse oil cylinder (31) is connected between the sliding base (3) and the drill frame (2).

7. A360 degree rotation's circumferential weld drilling equipment according to claim 6, characterized in that, the distance adjusting hydro-cylinder (53) is connected between the outer wall of fixed arm (51) or the bottom surface of first rotating seat (4) and the outer wall of sliding arm (52).

8. A360 degree rotation trepanning drilling device according to claim 7 wherein the outer wall of the sliding arm (52) is further connected with a movable arm (9).