Omnibearing down-the-hole drill

Abstract

The utility model discloses an omni-directional down-the-hole drill which comprises a walking assembly and a drill bit assembly which are connected through a multi-angle adjusting mechanism. The multi-angle connecting structure comprises a horizontal swing mechanism arranged on the walking assembly, a vertical turnover mechanism arranged on the horizontal swing mechanism and a rotary adjusting mechanism arranged on the turnover mechanism, the rotary adjusting mechanism is connected with the drill bit assembly, and the horizontal swing mechanism drives the vertical turnover mechanism to swing horizontally. The vertical turnover mechanism drives the rotary adjusting mechanism to turn over vertically, and the rotary adjusting mechanism drives the drill bit assembly to rotate relative to the vertical turnover mechanism so as to adjust the angle. Horizontal swinging, vertical overturning and rotation of the drill bit assembly relative to the walking assembly are achieved through the horizontal swinging mechanism, the vertical overturning mechanism and rotation angle adjustment, multi-dimensional adjustment is achieved, and the flexibility of the drill bit assembly is greatly improved; during use, the angle of the drill bit assembly can be reasonably adjusted according to the ground condition so as to be used for drilling, and normal drilling operation can be carried out after the angle is adjusted even under the complex terrain condition.

Description

Technical Field

[0001] The utility model relates to a drilling rig, in particular to an omnidirectional down-the-hole drilling rig. Background Art

[0002] A drilling rig is a tool used during exploration or mineral resource development as well as piling to drive the drill bit underground, break the rock at the bottom of the hole, and lower or pull the drill bit out of the hole. It can be used to drill cores, ore cores, rock cuttings, gas samples, liquid samples to obtain geological resources and to open holes for piling.

[0003] Patent application number CN2005200524677 discloses a fully hydraulic multi-directional down-the-hole drilling rig suitable for drilling blasting holes in metallurgy, coal, building materials, railways, hydropower construction, national defense construction and other engineering projects, as well as geotechnical anchoring projects for hydropower, transportation, energy, and urban construction foundation pit support. The air compressor and hydraulic pump are respectively installed on the flywheel housing and side take-off of the engine; the drilling angle adjustment mechanism consists of a tripod, a pitch cylinder, and a swing cylinder. One end of the tripod is hinged to the boom through a hinge shaft, and the swing cylinder drives the tripod to rotate around the hinge shaft to realize the pitch of the drilling frame. The hinge shaft at the other end of the tripod is connected to the drilling mechanism, and the swing angle of the drilling mechanism is realized by driving the swing cylinder.

[0004] The above patent can only adjust the drilling rig pitch and drilling mechanism swing angle, and the angle adjustment positions are relatively few. In addition, the angle adjustment structure driven by the telescopic cylinder is limited by the telescopic cylinder itself, which will limit the angle adjustment and ultimately lead to insufficient flexibility during use. Utility Model Content

[0005] Based on the shortcomings of the prior art that there are relatively few angle adjustment positions and the flexibility is insufficient during use, the utility model provides an omnidirectional down-the-hole drill.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] The invention discloses an omnidirectional down-the-hole drill, comprising a traveling assembly and a drill bit assembly, wherein the traveling assembly and the drill bit assembly are connected via a multi-angle adjustment mechanism, wherein the multi-angle connection structure comprises a horizontal swing mechanism arranged on the traveling assembly, a vertical flip mechanism arranged on the horizontal swing mechanism and a rotation adjustment mechanism arranged on the flip mechanism, wherein the rotation adjustment mechanism is connected to the drill bit assembly, the horizontal swing mechanism drives the vertical flip mechanism to swing horizontally, the vertical flip mechanism drives the rotation adjustment mechanism to flip vertically, and the rotation adjustment mechanism drives the drill bit assembly to rotate relative to the vertical flip mechanism to adjust the angle.

[0008] Preferably, the horizontal swing mechanism includes a swing seat horizontally connected to the walking assembly and a swing telescopic cylinder hinged on the walking assembly. The swing telescopic cylinder is located on one side of the swing seat and its output end is hinged to the vertical flipping mechanism. The swing telescopic cylinder drives the vertical flipping mechanism and the swing seat to swing horizontally.

[0009] Preferably, the vertical flipping mechanism includes a connecting frame vertically rotatably connected to the swing seat, a first flip telescopic cylinder hinged on the connecting frame, a second flip telescopic cylinder hinged on the swing seat and a flip seat vertically rotatably connected to the connecting frame, the first flip telescopic cylinder and the second flip telescopic cylinder are located above and below the connecting frame, the output end of the first flip telescopic cylinder is rotatably connected to the flip seat, and the output end of the second flip telescopic cylinder is rotatably connected to the bottom of the connecting frame.

[0010] Preferably, a avoidance groove is provided on the top of the connecting frame, and the first tilting and telescopic cylinder can extend into the avoidance groove when extending and retracting to increase the degree of its extension and retraction.

[0011] Preferably, the rotation adjustment mechanism is a rotation cylinder arranged on the flip seat, and a mounting bracket is provided at the output end of the rotation cylinder, and the mounting bracket is detachably connected to the drill bit assembly.

[0012] Preferably, the rotation adjustment mechanism includes a mounting frame fixed on the flip seat, an arc-shaped rack arranged on the mounting frame, and a first motor arranged on the drill bit assembly. The drill bit assembly is rotatably connected to the mounting frame and a driving gear meshing with the arc-shaped rack is provided on the output shaft of the first motor. The center of the arc-shaped rack coincides with the rotation center of the drill bit assembly and the mounting frame. After the first motor is started, the driving gear rotates and drives the drill bit assembly to rotate.

[0013] Preferably, the traveling mechanism comprises a machine body and a crawler traveling structure arranged at the bottom of the machine body, the machine body is rotatably arranged on the crawler traveling structure by a rotating oil cylinder, and the swing seat is arranged at the front side of the machine body.

[0014] Preferably, the machine body is also provided with hydraulic support legs.

[0015] Preferably, the drill bit assembly includes a square frame, a lifting assembly disposed on the frame and capable of being lifted and lowered along the frame, a drill rod driving assembly disposed on the lifting assembly, and a drill rod installed on the drill rod driving assembly; the drill rod driving assembly includes a second motor and a connector disposed at the output end of the second motor, and the connector is detachably connected to the top of the drill rod.

[0016] Preferably, the lifting assembly includes a linear rack arranged on the frame, a lifting seat slidably arranged on the frame and a third motor arranged on the lifting seat, the output shaft of the third motor is provided with a gear meshing with the linear rack, and at least one, two or four linear racks are provided; when two are provided, they are provided on the inner and outer walls of the same side of the frame, a rotating shaft with gears is provided on the lifting seat, and the gears on the rotating shaft and the gears of the third motor are meshed with the two racks to form a group of clamping structures; when there are four racks, they are provided on the inner and outer walls on both sides of the frame, and three rotating shafts with gears are provided on the lifting seat, wherein the gears on two rotating shafts are meshed with the two racks on one side of the frame, and the gear on the other rotating shaft and the gear on the third motor are meshed with the two racks on the other side of the frame to form two groups of clamping structures.

[0017] Compared with the prior art, the advantages of the utility model are as follows: the utility model realizes the horizontal swing, vertical flipping and rotation of the drill bit assembly relative to the walking assembly through the horizontal swing mechanism, the vertical flipping mechanism and the rotation angle adjustment, realizes multi-dimensional adjustment, and greatly improves the flexibility of the drill bit assembly. When in use, the angle of the drill bit assembly can be reasonably adjusted according to the ground conditions for drilling. Even for complex terrain conditions, normal drilling operations can be carried out after adjusting the angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be used as a limitation on the scope of the present invention. In addition, unless otherwise specified, the drawings are only schematically representing the composition or structure of the described object and may contain exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 A side view of the present application;

[0020] Figure 2 A perspective view of the present application;

[0021] Figure 3 A perspective view of the present application;

[0022] Figure 4 An exploded view of the drill bit assembly of this application;

[0023] Figure 5 An exploded view of the drill bit assembly of this application;

[0024] In the figure: 10, walking assembly; 101, crawler walking structure; 102, machine body; 20, multi-angle adjustment mechanism; 2011, swing seat; 2012, telescopic cylinder for swing; 2021, connecting frame; 2022, first flip telescopic cylinder; 2023, second flip telescopic cylinder; 203, flip seat; 204, mounting frame; 205, arc-shaped rack; 30, drill bit assembly; 301, stand; 302, lifting seat; 303, linear rack. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are only descriptive and exemplary and should not be construed as limiting the protection scope of the present invention.

[0026] It should be noted that like reference numerals denote similar items in the following drawings, and thus, once an item is defined in one drawing, it may not be further defined or explained in subsequent drawings.

[0027] This embodiment mainly describes the title of the omnidirectional down-the-hole drill, which is as follows:

[0028] All-round down-the-hole drilling rigs, such as Figure 1-5 As shown, it includes a walking assembly 10 and a drill assembly 30, and the walking assembly 10 and the drill assembly 30 are connected by a multi-angle adjustment mechanism 20. The multi-angle connection structure includes a horizontal swing mechanism arranged on the walking assembly 10, a vertical flip mechanism arranged on the horizontal swing mechanism, and a rotation adjustment mechanism arranged on the flip mechanism. The rotation adjustment mechanism is connected to the drill assembly 30, and the horizontal swing mechanism drives the vertical flip mechanism to swing horizontally, and the vertical flip mechanism drives the rotation adjustment mechanism to flip vertically, and the rotation adjustment mechanism drives the drill assembly 30 to rotate relative to the vertical flip mechanism to adjust the angle. This scheme realizes the horizontal swing, vertical flip and rotation of the drill assembly 30 relative to the walking assembly 10 through the horizontal swing mechanism, the vertical flip mechanism and the rotation angle adjustment, respectively, and realizes multi-dimensional adjustment, which greatly improves the flexibility of the drill assembly 30. When in use, the angle of the drill assembly 30 can be reasonably adjusted according to the ground conditions for drilling. Even for complex terrain conditions, normal drilling operations can be performed after adjusting the angle.

[0029] Preferably, the horizontal swing mechanism includes a swing seat 2011 horizontally connected to the walking assembly 10 and a swing telescopic cylinder 2012 hinged to the walking assembly 10. The swing telescopic cylinder 2012 is located on one side of the swing seat 2011 and its output end is hinged to the vertical flipping mechanism. The swing telescopic cylinder 2012 drives the vertical flipping mechanism and the swing seat 2011 to swing horizontally.

[0030] Preferably, the vertical flip mechanism includes a connecting frame 2021 vertically rotatably connected to the swing seat 2011, a first flip telescopic cylinder 2022 hinged on the connecting frame 2021, a second flip telescopic cylinder 2023 hinged on the swing seat 2011, and a flip seat 203 vertically rotatably connected to the connecting frame 2021, the first flip telescopic cylinder 2022 and the second flip telescopic cylinder 2023 are located above and below the connecting frame 2021, the output end of the first flip telescopic cylinder 2022 is rotatably connected to the flip seat 203, and the output end of the second flip telescopic cylinder 2023 is rotatably connected to the bottom of the connecting frame 2021. In this solution, the connecting frame 2021 can be swung vertically, and the flip seat 203 can also be swung vertically. The double swing structure solves the limitation of the telescopic range of the telescopic cylinder, that is, two swings can be performed jointly through the double swing structure, thereby breaking the limitation of the telescopic cylinder itself.

[0031] Preferably, a avoidance groove is provided on the top of the connecting frame 2021, and the first flip telescopic cylinder 2022 can extend into the avoidance groove when extending or retracting to increase the degree of its extension or retraction.

[0032] The rotary adjustment mechanism has the following two options:

[0033] Solution 1: The rotation adjustment mechanism is a rotary cylinder disposed on the flip seat 203, and a mounting bracket 204 is disposed at the output end of the rotary cylinder. The mounting bracket 204 is detachably connected to the drill assembly 30. This solution is not shown in the figure.

[0034] Solution 2, the rotation adjustment mechanism includes a mounting frame 204 fixed on the flip seat 203, an arc-shaped rack 205 arranged on the mounting frame 204 and a first motor arranged on the drill assembly 30. The drill assembly 30 is rotatably connected to the mounting frame 204 and a driving gear meshing with the arc-shaped rack 205 is arranged on the output shaft of the first motor. The center of the arc-shaped rack 205 coincides with the rotation center of the drill assembly 30 and the mounting frame 204. After the first motor is started, the driving gear rotates and drives the drill assembly 30 to rotate. The arc-shaped rack 205 is set to a maximum of 360 degrees. At this time, the entire drill assembly 30 can rotate 360 ​​degrees and is fixed by the motor self-locking after rotation. Figure 5 As shown, the drill assembly 30 is rotatably connected to the mounting bracket 204 via a rotating shaft, and a gear is provided on the rotating shaft and meshed with a gear, which is used to measure the rotation angle or to assist in locking.

[0035] Preferably, the walking mechanism includes a machine body 102 and a crawler walking structure 101 arranged at the bottom of the machine body 102 , the machine body 102 is rotatably arranged on the crawler walking structure 101 through a rotating cylinder, and the swing seat 2011 is arranged on the front side of the machine body 102 .

[0036] Preferably, hydraulic support legs are also provided on the machine body 102. The support legs are extended and abut against the ground to form multi-position support with the crawler walking structure 101, thereby increasing its stability during operation.

[0037] Preferably, the drill bit assembly 30 comprises a square stand 301, a lifting assembly disposed on the stand 301 and capable of lifting and lowering along the stand 301, a drill rod driving assembly disposed on the lifting assembly, and a drill rod mounted on the drill rod driving assembly, wherein the drill rod driving assembly comprises a second motor and a connector disposed at the output end of the second motor, and the connector is detachably connected to the top of the drill rod. Preferably, a flat-bottomed U-shaped opening is provided on one side of the stand 301, and the two sides of the opening are used for slidingly mounting the lifting assembly.

[0038] Preferably, the lifting assembly includes a linear rack 303 arranged on the stand 301, a lifting seat 302 slidably arranged on the stand 301 and a third motor arranged on the lifting seat 302, the output shaft of the third motor is provided with a gear meshing with the linear rack 303, and at least one, two or four linear racks are provided; when two are provided, they are provided on the inner and outer walls of the same side of the stand 301, and a rotating shaft with gears is provided on the lifting seat 302, and the gears on the rotating shaft and the gears of the third motor are meshed with the two racks to form a group of clamping structures; when there are four racks, they are provided on the inner and outer walls on both sides of the stand 301, and three rotating shafts with gears are provided on the lifting seat 302, wherein the gears on two rotating shafts are meshed with the two racks on one side of the stand 301, and the gear on the other rotating shaft and the gear on the third motor are meshed with the two racks on the other side of the stand 301 to form two groups of clamping structures.

[0039] The above is a detailed introduction to the titles provided by the utility model. Specific examples are used in this article to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the utility model and its core ideas. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified. These improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An all-round down-the-hole drill, comprising a travel assembly and a drill assembly, wherein the travel assembly and the drill assembly are connected via a multi-angle adjustment mechanism, and wherein: The multi-angle connection structure includes a horizontal swing mechanism arranged on the walking assembly, a vertical flipping mechanism arranged on the horizontal swing mechanism and a rotation adjustment mechanism arranged on the flipping mechanism. The rotation adjustment mechanism is connected to the drill bit assembly. The horizontal swing mechanism drives the vertical flipping mechanism to swing horizontally, the vertical flipping mechanism drives the rotation adjustment mechanism to flip vertically, and the rotation adjustment mechanism drives the drill bit assembly to rotate relative to the vertical flipping mechanism to adjust the angle.

2. The omnidirectional down-the-hole drill according to claim 1, characterized in that: The horizontal swing mechanism includes a swing seat horizontally connected to the traveling assembly and a swing telescopic cylinder hinged on the traveling assembly. The swing telescopic cylinder is located on one side of the swing seat and its output end is hinged to the vertical flip mechanism. The swing telescopic cylinder drives the vertical flip mechanism and the swing seat to swing horizontally.

3. The omnidirectional down-the-hole drill according to claim 2, characterized in that: The vertical flipping mechanism includes a connecting frame vertically rotatably connected to the swing seat, a first flip telescopic cylinder hinged on the connecting frame, a second flip telescopic cylinder hinged on the swing seat and a flip seat vertically rotatably connected to the connecting frame, the first flip telescopic cylinder and the second flip telescopic cylinder are located above and below the connecting frame, the output end of the first flip telescopic cylinder is rotatably connected to the flip seat, and the output end of the second flip telescopic cylinder is rotatably connected to the bottom of the connecting frame.

4. The omnidirectional down-the-hole drill according to claim 3, characterized in that: The top of the connecting frame is provided with an avoidance groove, and the first tilting telescopic cylinder can extend into the avoidance groove when extending and retracting to increase the degree of its extension and retraction.

5. The omnidirectional down-the-hole drill according to claim 3, characterized in that: The rotation adjustment mechanism is a rotation cylinder arranged on the flip seat, and a mounting frame is arranged at the output end of the rotation cylinder, and the mounting frame is detachably connected to the drill assembly.

6. The omnidirectional down-the-hole drill according to claim 3, characterized in that: The rotation adjustment mechanism includes a mounting frame fixed on the flip seat, an arc-shaped rack arranged on the mounting frame and a first motor arranged on the drill bit assembly. The drill bit assembly is rotatably connected to the mounting frame and a driving gear meshing with the arc-shaped rack is provided on the output shaft of the first motor. The center of the arc-shaped rack coincides with the rotation center of the drill bit assembly and the mounting frame. After the first motor is started, the driving gear rotates and drives the drill bit assembly to rotate.

7. The omnidirectional down-the-hole drill according to claim 1, characterized in that: The walking mechanism comprises a machine body and a crawler walking structure arranged at the bottom of the machine body. The machine body is rotated on the crawler walking structure through a rotary cylinder, and a swing seat is arranged at the front side of the machine body.

8. The omnidirectional down-the-hole drill according to claim 7, characterized in that: The machine body is also provided with hydraulic support legs.

9. The omnidirectional down-the-hole drill according to claim 1, characterized in that: The drill bit assembly includes a square frame, a lifting assembly arranged on the frame and capable of being lifted and lowered along the frame, a drill rod driving assembly arranged on the lifting assembly, and a drill rod installed on the drill rod driving assembly. The drill rod driving assembly includes a second motor and a connector arranged at the output end of the second motor, and the connector is detachably connected to the top of the drill rod.

10. The omnidirectional down-the-hole drill according to claim 9, characterized in that: The lifting assembly includes a linear rack arranged on the stand, a lifting seat slidably arranged on the stand, and a third motor arranged on the lifting seat. A gear meshing with the linear rack is provided on the output shaft of the third motor, and at least one, two or four linear racks are provided; when two are provided, they are provided on the inner and outer walls of the same side of the stand, and a rotating shaft with a gear is provided on the lifting seat, and the gear on the rotating shaft and the gear of the third motor mesh with the two racks to form a group of clamping structures; when there are four racks, they are provided on the inner and outer walls on both sides of the stand, and three rotating shafts with gears are provided on the lifting seat, wherein the gears on two rotating shafts mesh with the two racks on one side of the stand, and the gear on the other rotating shaft and the gear on the third motor mesh with the two racks on the other side of the stand to form two groups of clamping structures.

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