CN111561271A

CN111561271A - Drilling machine luffing mechanism and drilling machine

Info

Publication number: CN111561271A
Application number: CN202010406135.3A
Authority: CN
Inventors: 王永辉; 郑文; 许东京; 孙余
Original assignee: Jiangsu Xugong Construction Machinery Research Institute Co ltd; Xuzhou XCMG Foundation Construction Machinery Co Ltd
Current assignee: Jiangsu Xugong Construction Machinery Research Institute Co ltd; Xuzhou XCMG Foundation Construction Machinery Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-08-21

Abstract

The invention relates to a drilling machine amplitude-changing mechanism and a drilling machine, wherein the drilling machine amplitude-changing mechanism comprises a first rotary component (2), a lifting component, a first driving mechanism (4), a supporting seat (7) and a second driving mechanism (11), the first rotary component (2) is used for being connected with a frame (14) of the drilling machine, the lifting component is connected with the first rotary component (2), the first driving mechanism (4) is arranged between the first rotary component (2) and the lifting component and is configured to drive the lifting component to rotate relative to the first rotary component (2), the supporting seat (7) is connected with the lifting component and is used for supporting a drilling component for executing drilling action, the second driving mechanism (11) is arranged between the lifting component and the supporting seat (7) and is configured to drive the supporting seat (7) to rotate relative to the lifting component, and the length of the lifting component is adjustable. The drilling machine comprises a drilling machine luffing mechanism. The amplitude variation mechanism can enlarge the operation range.

Description

Drilling machine luffing mechanism and drilling machine

Technical Field

The invention relates to the technical field of engineering machinery, in particular to a drilling machine luffing mechanism and a drilling machine.

Background

When the multifunctional drilling machine continuously performs a plurality of hole drilling operations, the position and the angle of the mast need to be continuously adjusted so as to perform the drilling of subsequent holes. The position and angle adjustment of the mast is mainly realized by the amplitude variation mechanism, and the adjustment range and angle of the amplitude variation mechanism determine the number of continuous holes, so that the flexible and reliable amplitude variation mechanism determines the operation range and efficiency of the multifunctional drilling machine.

At present, a luffing mechanism in the related art adopts gear transmission to realize the rotary motion of an arm support in a vertical plane, has no mechanical self-locking function, needs to be additionally provided with a locking device for locking in order to ensure the operation safety of a drilling machine, and has a complex structure; the sliding frame for supporting the mast is pushed to rotate relative to the rotating seat connected with the sliding frame through the stretching of the oil cylinder, the stretching distance of the oil cylinder is limited, the swinging angle of the mast is limited, and the operation range is limited.

It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Disclosure of Invention

The embodiment of the invention provides a drilling machine amplitude variation mechanism and a drilling machine, which are used for enlarging the operation range of the drilling machine.

According to one aspect of the invention, there is provided a drill luffing mechanism comprising:

the first rotating assembly is used for being connected with a frame of the drilling machine;

the lifting assembly is connected with the first rotating assembly;

the first driving mechanism is arranged between the first rotating assembly and the lifting assembly and is configured to drive the lifting assembly to rotate relative to the first rotating assembly;

the supporting seat is connected with the lifting assembly and used for supporting a drilling assembly for executing drilling action; and

the second driving mechanism is arranged between the lifting assembly and the supporting seat and is configured to drive the supporting seat to rotate relative to the lifting assembly;

wherein, the length of hoisting component is adjustable.

In some embodiments, the hoist assembly comprises a hoist arm and a telescopic arm connected to the hoist arm, the telescopic arm being movable relative to the hoist arm to vary the length of the hoist assembly.

In some embodiments, the lift assembly comprises a third drive mechanism connected between the lift arm and the telescopic arm and configured to drive the telescopic arm in linear movement relative to the lift arm.

In some embodiments, the lifting arm is provided with a guide mechanism for guiding the movement of the telescopic arm.

In some embodiments, the first swing assembly includes a first worm gear for mounting on the frame and a first worm connected to the lift assembly.

In some embodiments, the axis of the first worm is arranged in a vertical direction and the first worm wheel rotates about a horizontal axis.

In some embodiments, the drill horn further comprises a second swivel assembly disposed between the support base and the drilling assembly.

In some embodiments, the second swivel assembly includes a second worm gear for mounting on the support base and a second worm gear coupled to the drilling assembly.

According to another aspect of the invention, a drilling rig is provided comprising a drilling rig luffing mechanism as described above.

In some embodiments, the drilling rig further comprises a drilling assembly including a carriage coupled to the support base and a mast slidably mounted on the carriage.

Based on the technical scheme, the length of the lifting assembly is adjustable, so that the operation range of the drilling machine can be adjusted by adjusting the length of the lifting assembly according to actual needs, the operation range of the drilling machine can be adjusted, and different working condition requirements are met; and, compare in the scheme that increases the length of lifting component alone, set up the length of lifting component into adjustable, both can satisfy the demand of operation scope through the length that increases lifting component, also can will reduce the whole machine size of rig through the length that reduces lifting component to adapt to the construction condition in the narrow and small space, improve the flexibility of rig.

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 application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic structural view of one embodiment of a drill luffing mechanism of the present invention.

Fig. 2 is a schematic view of a first rotating assembly in an embodiment of a drill horn of the present invention.

Fig. 3 is a schematic view of a second rotating assembly in an embodiment of a drill horn of the present invention.

In the figure:

1. a fourth drive mechanism; 2. a first swing assembly; 3. a rotating support; 4. a first drive mechanism; 5. a lifting arm; 6. a telescopic arm; 7. a supporting seat; 8. a second swing assembly; 9. a carriage; 10. a fifth drive mechanism; 11. a second drive mechanism; 12. a third drive mechanism; 14. a frame; 15. a mast;

131. a first hinge point; 132. a second hinge point; 133. a third hinge point; 134. a fourth hinge point; 135. a fifth hinge point; 136. a sixth hinge point; 137. a seventh hinge point; 138. an eighth hinge point;

201. a first worm gear; 202. a first worm; 203. a first housing; 801. a second worm gear; 802. a second worm; 803. a second housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention.

As shown in fig. 1, in some embodiments of the drill luffing mechanism provided by the present invention, the drill luffing mechanism comprises a first rotating assembly 2, a hoisting assembly, a first driving mechanism 4, a support base 7 and a second driving mechanism 11, the first rotating assembly 2 is used for connecting with a frame 14 of a drill, the hoisting assembly is connected with the first rotating assembly 2, the first rotating assembly 2 is configured to enable 360 ° rotation of the hoisting assembly relative to the frame 14, the first driving mechanism 4 is arranged between the first rotating assembly 2 and the hoisting assembly, the first driving mechanism 4 is configured to drive the hoisting assembly to rotate relative to the first rotating assembly 2, the support base 7 is connected with the hoisting assembly, the support base 7 is used for supporting a drilling assembly, the drilling assembly is used for performing a drilling action, the second driving mechanism 11 is arranged between the hoisting assembly and the support base 7, the second driving mechanism 11 is configured to drive the support base 7 to rotate relative to the hoisting assembly, wherein, the length of hoisting component is adjustable.

In the embodiment, the length of the lifting assembly is adjustable, so that the operation range of the drilling machine can be adjusted by adjusting the length of the lifting assembly according to actual needs, the operation range of the drilling machine can be adjusted, and different working condition requirements can be met; and, compare in the scheme that increases the length of lifting component alone, set up the length of lifting component into adjustable, both can satisfy the demand of operation scope through the length that increases lifting component, also can will reduce the whole machine size of rig through the length that reduces lifting component to adapt to the construction condition in the narrow and small space, improve the flexibility of rig.

In order to achieve the length adjustability of the hoisting assembly, the specific embodiments that can be employed can be varied. For example, the hoist assembly may include a resilient portion, the length of the hoist assembly being adjustable by deformation of the resilient portion. Another embodiment is described below:

in some embodiments the hoist assembly comprises a hoist arm 5 and a telescopic arm 6 connected to the hoist arm 5, the telescopic arm 6 being movable relative to the hoist arm 5 to vary the length of the hoist assembly.

In these embodiments the purpose of adjusting the length of the hoist assembly is achieved by movement of the telescopic arm 6 relative to the hoist arm 5. The length adjusting mode is more reliable, the adjustment is more convenient, and the control is easier.

Further, the lifting assembly comprises a third drive mechanism 12, the third drive mechanism 12 being connected between the lifting arm 5 and the telescopic arm 6, and the third drive mechanism 12 being configured to drive the telescopic arm 6 in a linear motion relative to the lifting arm 5.

By providing the third drive mechanism 12, the relative movement of the telescopic arm 6 and the lifting arm 5 can be automatically controlled. The third drive mechanism 12 is configured to drive the telescopic arm 6 to move linearly relative to the lifting arm 5, allowing the overall length of the lifting assembly to be adjusted more efficiently.

In some embodiments the lifting arm 5 is provided with a guide mechanism for guiding the movement of the telescopic arm 6. Through setting up guiding mechanism, can improve the accuracy of the relative motion of flexible arm 6 and lift arm 5, improve length control efficiency.

In some embodiments, the guiding mechanism comprises a slide rail provided on the lifting arm 5 and a slider provided on the telescopic arm 6, the slider being embedded in the slide rail and the slider sliding relative to the slide rail to enable sliding of the telescopic arm 6 relative to the lifting arm 5. Except for the matching mode of the sliding block and the sliding rail, the guiding mechanism can also adopt the matching mode of the sliding rail and the sliding groove, for example, the sliding groove is arranged on the lifting arm 5, the sliding rail is arranged on the telescopic arm 6, the sliding rail is embedded into the sliding groove, and the sliding rail slides relative to the sliding groove so as to realize the sliding of the telescopic arm 6 relative to the lifting arm 5.

As shown in fig. 2, in some embodiments, the first swing assembly 2 includes a first worm gear 201 and a first worm 202, the first worm 202 is adapted to be mounted to the frame 14, and the first worm gear 201 is coupled to the hoist assembly. The first worm wheel 201 is in meshing engagement with the first worm 202.

Compared with the scheme of adopting gear transmission as the rotating assembly, the first rotating assembly 2 adopts the first worm wheel 201 and the first worm 202 to realize mechanical self-locking, which is beneficial to improving the safety of the luffing mechanism.

In some embodiments, the axis of the first worm 202 is arranged in a vertical direction and the first worm wheel 201 rotates about a horizontal axis. The arrangement can lead the lifting assembly and other components connected with the lifting assembly to do rotary motion in a vertical plane.

In some embodiments, the first swing assembly 2 further includes a first housing 203, the first housing 203 is mounted to the frame 14, and the first worm gear 201 and the first worm 202 are located within the first housing 203.

In some embodiments, the first swing assembly 2 further includes a fourth driving mechanism 1, and the fourth driving mechanism 1 is configured to drive the first worm 202 to rotate relative to the frame 14, so that the first worm 202 drives the first worm wheel 201 to rotate, and the first worm wheel 201 drives the hoisting assembly to swing.

In some embodiments, the horn further comprises a second rotating assembly 8, the second rotating assembly 8 being disposed between the support base 7 and the drilling assembly. The second swivel assembly 8 is configured to allow a 360 ° swivel of the drilling assembly relative to the support base 7.

Through set up second gyration subassembly 8 between supporting seat 7 and the subassembly that creeps into, can further increase the angle modulation degree of freedom of subassembly that creeps into, make the angle modulation of subassembly that creeps into more nimble, adjustable range is bigger, is favorable to increasing the operation scope.

As shown in fig. 3, in some embodiments, the second rotating assembly 8 includes a second worm wheel 801 and a second worm 802, the second worm 802 is configured to be mounted on the support base 7, and the second worm wheel 801 is connected to the drilling assembly.

The second rotating assembly 8 also adopts a matching mode of a worm wheel and a worm, mechanical self-locking can be realized, and the safety is high.

In some embodiments, the second swing assembly 8 further comprises a second housing 803, the second housing 803 is mounted on the support base 7, and the second worm wheel 801 and the second worm 802 are located in the second housing 803.

In some embodiments, the second rotating assembly 8 further includes a fifth driving mechanism 10, and the fifth driving mechanism 10 is configured to drive the second worm 802 to rotate relative to the supporting base 7, so that the second worm 802 drives the second worm wheel 801 to rotate, and the second worm wheel 801 drives the drilling assembly to rotate.

In the above embodiments, the first driving mechanism 4, the second driving mechanism 11, the third driving mechanism 12, the fourth driving mechanism 1 and the fifth driving mechanism 10 may adopt an oil cylinder, an air cylinder, a motor or the like, and the first driving mechanism 4, the second driving mechanism 11, the third driving mechanism 12, the fourth driving mechanism 1 and the fifth driving mechanism 10 may have the same or different structures.

The structure and the working process of one embodiment of the amplitude changing mechanism of the drilling machine are described in the following with reference to the attached drawings 1-3:

as shown in fig. 1, the drill luffing mechanism comprises a fourth driving mechanism 1, a first slewing assembly 2, a slewing pedestal 3, a first driving mechanism 4, a lifting arm 5, a telescopic arm 6, a supporting seat 7, a second slewing assembly 8, a carriage 9, a fifth driving mechanism 10, a second driving mechanism 11, a third driving mechanism 12 and a mast 15.

The first swing assembly 2 includes a first worm wheel 201, a first worm 202, and a first housing 203, and the second swing assembly 8 includes a second worm wheel 801, a second worm 802, and a second housing 803.

The fourth driving mechanism 1 is in driving connection with the first worm 202, the first worm 202 and the first shell 203 are installed on the frame 14 of the drilling machine, the first worm wheel 201 is meshed with the first worm 202, the rotary support 3 is fixedly installed on the first worm wheel 201 through a bolt, the lifting arm 5 is in hinged connection with the rotary support 3 through an eighth hinge point 138, the first driving mechanism 4 is in hinged connection with the rotary support 3 through a first hinge point 131, the first driving mechanism 4 is also in hinged connection with the lifting arm 5 through a second hinge point 132, the lifting arm 5 is in sliding connection with the telescopic arm 6 through a sliding chute and a sliding rail, the third driving mechanism 12 is in hinged connection with the lifting arm 5 through a seventh hinge point 137, the third driving mechanism 12 is also in hinged connection with the telescopic arm 6 through a third hinge point 133, the telescopic arm 6 is in hinged connection with the support base 7 through a fourth hinge point 134, the second driving mechanism 11 is in hinged connection with the support base 7 through a fifth hinge point 135, the second driving mechanism 11 is further connected with the telescopic arm 6 in an articulated manner through a sixth hinge point 136, the second worm 802 and the second housing 803 are mounted on the support base 7, the fifth driving mechanism 10 is connected with the second worm 802 in a driving manner, the second worm wheel 801 is meshed with the second worm 802, the carriage 9 is fixedly mounted on the second worm wheel 801 through bolts, and the mast 15 is connected with the carriage 9 in a sliding manner through a sliding chute and a sliding rail.

In the operation process, when the position and the angle of the mast 15 need to be adjusted, the first rotary assembly 2 can be driven to operate through the fourth driving mechanism 1 so as to drive the whole of the rotary support 3, the lifting arm 5, the telescopic arm 6, the support base 7, the sliding frame 9 and the mast 15 to rotate relative to the frame 14; then, the lifting arm 5 can perform pitching motion around the eighth hinge point 138 by the first driving mechanism 4, and the carriage 9 and the mast 15 are adjusted to a preset height; through the third driving mechanism 12, the telescopic arm 6 can move relative to the lifting arm 5, the length of the lifting assembly is adjusted, and the sliding frame 9 and the mast 15 reach a preset drilling position in the length direction; through the second driving mechanism 11, the supporting seat 7 can rotate around the fourth hinge point 134 to adjust the included angle between the carriage 9 and the mast 15 and the horizontal direction; the second rotating assembly 8 is driven to rotate by the fifth driving mechanism 10, so that the carriage 9 and the mast 15 rotate relative to the support base 7, and the drilling direction of the mast 15 is further adjusted.

Through the description of a plurality of embodiments of the drilling machine luffing mechanism, the length of a lifting component in the drilling machine luffing mechanism embodiment can be adjusted, the operation range of a mast can be expanded, and the transportation size of the whole drilling machine can be reduced; a second rotary assembly is arranged between the sliding frame and the supporting seat, 360-degree continuous rotation of the mast can be realized, and the construction posture is flexibly and variously adjusted; the first rotating assembly and the second rotating assembly are both supported in a worm and gear type rotating mode, and can be mechanically self-locked, and the device is safe and reliable.

The luffing mechanism comprises multi-stage pose adjusting devices for rotation, pitching, stretching and the like, can meet the requirements of various construction angles, is particularly suitable for narrow space and tunnel construction, and is flexible in luffing, safe, reliable and high in efficiency.

Based on the drilling machine luffing mechanism, the invention further provides a drilling machine, and the drilling machine comprises the drilling machine luffing mechanism.

In some embodiments, the drilling rig further comprises a drilling assembly comprising a carriage 9 and a mast 15, the carriage 9 being connected to the support base 7, the mast 15 being slidably mounted on the carriage 9. The drilling assembly is used to effect a drilling operation, and mast 15 is moved relative to carriage 9 to effect extension and retraction of mast 15 to drill holes of different depths.

In some embodiments, the drill rig further includes a carriage 14, and the drill horn is mounted to the carriage 14.

The positive technical effects of the drilling machine luffing mechanism in the above embodiments are also applicable to the drilling machine, and are not described in detail here.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made without departing from the principles of the invention, and these modifications and equivalents are intended to be included within the scope of the claims.

Claims

1. A drill luffing mechanism, comprising:

a first swing assembly (2) for connection to a frame (14) of a drilling rig;

the lifting assembly is connected with the first rotating assembly (2);

a first drive mechanism (4) disposed between the first slewing assembly (2) and the hoist assembly, configured to drive the hoist assembly to rotate relative to the first slewing assembly (2);

the supporting seat (7) is connected with the hoisting assembly and is used for supporting a drilling assembly for executing drilling action; and

a second driving mechanism (11) arranged between the lifting assembly and the supporting base (7) and configured to drive the supporting base (7) to rotate relative to the lifting assembly;

wherein, the length of lifting assembly is adjustable.

2. The drill rig luffing mechanism of claim 1, wherein the hoisting assembly comprises a hoisting arm (5) and a telescoping arm (6) connected to the hoisting arm (5), the telescoping arm (6) being movable relative to the hoisting arm (5) to vary the length of the hoisting assembly.

3. The drill rig luffing mechanism of claim 2, wherein the hoisting assembly comprises a third drive mechanism (12), the third drive mechanism (12) being connected between the hoisting arm (5) and the telescopic arm (6) and configured to drive the telescopic arm (6) in a linear movement relative to the hoisting arm (5).

4. A drill luffing mechanism according to claim 2, wherein the hoisting arm (5) is provided with a guiding mechanism for guiding the movement of the telescopic arm (6).

5. The drill horn of claim 1, wherein the first slewing assembly (2) comprises a first worm gear (201) and a first worm (202), the first worm (202) being adapted to be mounted on the frame (14), the first worm gear (201) being connected to the hoisting assembly.

6. The drill horn of claim 5, wherein the axis of the first worm (202) is arranged in a vertical direction and the first worm gear (201) rotates about a horizontal axis.

7. The drill horn of claim 1, further comprising a second swivel assembly (8), the second swivel assembly (8) being disposed between the support block (7) and the drilling assembly.

8. The drill horn of claim 7, wherein the second swivel assembly (8) comprises a second worm gear (801) and a second worm screw (802), the second worm screw (802) being adapted to be mounted to the support block (7), the second worm gear (801) being coupled to the drilling assembly.

9. A drilling rig comprising a drilling rig luffing mechanism according to any one of claims 1 to 8.

10. The drilling machine according to claim 9, further comprising a drilling assembly comprising a carriage (9) and a mast (15), said carriage (9) being connected to said support base (7), said mast (15) being slidably mounted on said carriage (9).