CN215785288U

CN215785288U - Drill bit maintenance device for coal mining

Info

Publication number: CN215785288U
Application number: CN202120322132.1U
Authority: CN
Inventors: 张志远; 陈振刚; 李俊星; 李高鹏; 裴韶华; 弓远程
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2022-02-11
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a drill bit maintenance device for coal mining, which comprises a cleaning bin, a turnover cover, a turnover driving assembly, a pipe joint, a spray head, a mounting seat, a rotary sleeve, a rotating assembly and an elastic chuck, wherein the elastic chuck comprises a cylindrical part and a circular table part, a clamping hole is formed in the circular table part, a plurality of strip-shaped notches are formed in the conical surface of the circular table part, the rotary sleeve is provided with a mounting hole and a conical groove, a clearance groove is formed in the outer wall of the turnover cover, an adjusting screw rod penetrates through a coaxial thread on the rotary sleeve, and one end of the adjusting screw rod penetrating into the rotary sleeve is coaxially and rotatably connected with the cylindrical part. Compared with the fixing of the excavating drill bit in the prior art, the installation is firmer, in addition, the rotary sleeve is driven to rotate by the rotating assembly, so that the excavating drill bit can rotate circumferentially in the washing process, the manufacturing cost is reduced as far as possible on the premise of reducing the washing blind area, and the overturning driving assembly is arranged to drive the overturning cover to overturn.

Description

Drill bit maintenance device for coal mining

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a drill bit maintenance device for coal mining.

Background

Chinese patent No. CN211330472U discloses a digging drill bit washing device, comprising: the device comprises a flushing water tank, a water pump and a mining drill bit flushing pipe, wherein a flushing water diversion collecting pipe is arranged at the center of the interior of the flushing water tank, partition plates are symmetrically arranged on two sides of the flushing water diversion collecting pipe in the flushing water tank, and the partition plates divide the center of the inner side of the flushing water tank into a precipitation treatment bin. According to the utility model, the flushing water tank is matched with the mining bit flushing pipe for use, the mining bit is flushed on the inner side of the mining bit flushing pipe, then the flushing water is recycled through the mining bit flushing pipe and enters the flushing water tank precipitation treatment bin for collection, the spiral slow flow blades and the precipitation side plates are matched for precipitation treatment, and then the flushing water enters the circulation bin for circulation water supply for flushing, so that flushing water is saved, meanwhile, the flushing water is prevented from splashing around, and the flushing environment is improved.

Among the above-mentioned prior art, wash the mining drill bit through setting up a plurality of washing shower nozzles, reduce and wash the blind area, but mining drill bit still can exist in the circumference and wash the blind area, among the prior art in addition, washing the in-process, the installation steadiness of mining drill bit is lower, and then probably leads to washing the in-process, and mining drill bit receives the impact and drops, produces the influence to equipment.

In order to solve the above problems, a drill maintenance device for coal mining is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a drill bit maintenance device for coal mining, and in order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a drill bit maintenance device for coal mining, which comprises a cleaning bin with an open top, wherein the top of the cleaning bin is hinged with a turnover cover, the turnover cover is driven by a turnover driving assembly to turn over along a hinged part with the cleaning bin, a pipe joint is arranged on the turnover cover, the lower end of the pipe joint penetrates through the turnover cover and is in through connection with a spray head, an installation seat is fixedly connected onto the cleaning bin, a rotary sleeve is horizontally and rotatably connected onto the installation seat, the rotary sleeve is driven by a rotating assembly to rotate, an elastic chuck is arranged in the rotary sleeve, the elastic chuck comprises an integral and coaxial cylindrical part and a circular table part, the outer diameter of the circular table part is sequentially increased from inside to outside along the axial direction of the circular table part, a clamping hole which extends into the cylindrical part and is in a blind hole form is coaxially arranged on the circular table part, a plurality of strip-shaped notches which are communicated with the clamping hole are arranged on the conical surface of the circular table part along the axial array of the circular table part, the rotary sleeve is coaxially provided with a through hole type mounting hole for the sliding fit and insertion of the cylindrical part, a conical groove which is matched with the appearance of the circular table part and is used for the sliding fit and clamping of the circular table part is further arranged on the rotary sleeve, a clearance groove for the rotary sleeve to freely pass through is formed in the outer wall of one side of the turnover cover, which is far away from the hinged position of the turnover cover and the cleaning bin, an adjusting screw rod penetrates through the coaxial thread on the rotary sleeve, and one end of the adjusting screw rod penetrating into the rotary sleeve is coaxially and rotatably connected with the cylindrical part.

As a further optimization of the technical scheme, the rotating assembly comprises a servo motor horizontally mounted on the mounting seat, the servo motor is connected with a driving gear in a driving mode, the rotating sleeve is sleeved with a driven gear, and the driving gear is in meshing transmission with the driven gear.

As a further optimization of the above technical solution, the depth of the mounting hole is larger than the axial length of the cylindrical portion.

As a further optimization of the solution described above, the flip cover is hinged to the washing compartment by means of a mounting hinge.

As a further optimization of the technical scheme, the turnover driving assembly comprises a movable hinged support hinged to the outer wall of the cleaning bin, a telescopic cylinder is mounted on the movable hinged support, a connecting piece is connected to the telescopic cylinder in a driving mode, and the connecting piece is hinged to the turnover cover.

Compared with the prior art, the utility model has the following beneficial effects: by arranging the elastic chuck, the handle part of the external excavating drill bit is inserted into the clamping hole of the elastic chuck, and then the adjusting screw rod is rotated, the adjusting screw rod is screwed on the rotary sleeve, thereby driving the circular table part to slide in the conical groove, the circular table part generates elastic shrinkage in the sliding process, and further clamping the mining drill bit, compared with the fixing of the mining drill bit in the prior art, the installation is firmer, in addition, the rotary component is arranged to drive the rotary sleeve to rotate, so that the excavating drill bit can rotate circumferentially in the flushing process, furthermore, the manufacturing cost is reduced as much as possible on the premise of reducing the flushing blind area, and in addition, the turnover driving component is arranged to drive the turnover cover to turn over, so that the turnover cover does not need to be turned over manually, therefore, workers can conveniently install the mining drill bit on the elastic chuck, and can conveniently take out the washed mining drill bit from the elastic chuck.

Drawings

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

FIG. 1 is a schematic perspective view of a drill bit maintenance device for coal mining according to the present invention;

FIG. 2 is a side view angle schematic of the three-dimensional structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the perspective structure of FIG. 1;

FIG. 4 is a schematic perspective view of the collet of the present invention;

the reference numerals are explained below:

1-movable hinged support, 2-telescopic cylinder, 3-connecting piece, 4-turnover cover, 5-pipe joint, 6-driving gear, 7-servo motor, 8-rotary sleeve, 9-adjusting screw, 10-mounting hole, 11-driven gear, 12-mounting seat, 13-cleaning bin, 14-spray head, 15-circular table portion, 16-conical groove, 17-clamping hole, 18-cylindrical portion and 19-strip-shaped notch.

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.

Examples

As shown in fig. 1-4, a drill bit maintenance device for coal mining comprises a cleaning bin 13 with an open top, a turnover cover 4 hinged to the top of the cleaning bin 13 through a hinge, the turnover cover 4 is driven by a turnover driving component to turn over along the hinged position with the cleaning bin 13, a pipe joint 5 is mounted on the turnover cover 4, the lower end of the pipe joint 5 penetrates through the turnover cover 4 and is connected with a spray head 14 in a penetrating manner, a mounting seat 12 is fixedly connected to the cleaning bin 13, a rotary sleeve 8 is horizontally and rotatably connected to the mounting seat 12, the rotary sleeve 8 is driven by a rotating component to rotate, an elastic chuck is arranged in the rotary sleeve, the elastic chuck comprises an integral and coaxial cylindrical part 18 and a circular table part 15, the outer diameter of the circular table part 15 increases progressively from inside to outside along the axial direction, a conical surface 17 which extends into the cylindrical part 18 and is in a blind hole form is coaxially arranged on the circular table part 15, a plurality of strip-shaped gaps 19 communicated with the clamping holes 17 are arranged on the circular table part 15 along the axial direction, the rotating sleeve 8 is coaxially provided with a mounting hole 10 which is used for the cylindrical part 18 to be matched and inserted in a sliding way and is in a through hole form, the rotating sleeve is also provided with a conical groove 16 which is matched with the appearance of the circular table part 15 and used for the sliding and matching clamping of the circular table part 15, the outer wall of one side, away from the hinged position of the rotating cover 4 and the cleaning bin 13, of the overturning cover 4 is provided with a clearance groove which is used for the rotating sleeve 8 to pass through freely, the rotating sleeve 8 is provided with an adjusting screw rod 9 in a penetrating way through coaxial threads, and one end, penetrating into the rotating sleeve 8, of the adjusting screw rod 9 is connected with the cylindrical part 18 in a coaxial rotating way.

In this embodiment, the rotating assembly includes servo motor 7 horizontally installed on mounting base 12, and the last drive connection of servo motor 7 has driving gear 6, has cup jointed driven gear 11 on the swivel mount 8, and driving gear 6 and driven gear 11 meshing transmission, and servo motor 7 is supplied power by external power source.

In the present embodiment, the hole depth of the mounting hole 10 is larger than the axial length of the cylindrical portion 18, so that the cylindrical portion 18 has a sufficient space for movement.

In this embodiment, upset drive assembly installs telescopic cylinder 2 including articulating in the activity free bearing 1 on the outer wall of washing storehouse 13 on the activity free bearing 1, and the drive is connected with connecting piece 3 on the telescopic cylinder 2, and connecting piece 3 is articulated with upset lid 4, and when telescopic cylinder 2's cylinder pole shortened, the drive connecting piece 3 moved down, and then made upset lid 4 along with the articulated department of washing storehouse 13 upset up for the oral area of washing storehouse 13 opens.

When the utility model is used: inserting the handle part of an external excavating bit into a clamping hole 17 of an elastic chuck, then using an external tool to rotate an adjusting screw 9, wherein the adjusting screw 9 is in threaded connection with a rotary sleeve 8 and is rotationally connected with a cylindrical part 18, further driving the circular table part 15 to slide in a conical groove 16 towards the direction far away from a turnover cover 4, in the sliding process, the inner wall of the conical groove 16 generates radial pressure on the conical surface of the circular table part 15, meanwhile, due to a strip-shaped notch 19 arranged on the circular table part 15, the circular table part 15 generates radial elastic contraction, further the inner wall of the clamping hole 17 clamps the handle part of the excavating bit, namely, fixedly clamping the excavating bit, then starting a telescopic cylinder 2, extending the cylinder rod of the telescopic cylinder 2, driving a connecting piece 3 to move upwards, further enabling the turnover cover 4 to turn downwards along the hinged position with a cleaning bin 13, and enabling the mouth part of the cleaning bin 13 to cover, then an external water pump is connected, water is conveyed to the spray head 14 through the pipe joint 5, the spray head washes the mining drill bit, and in the washing process, the servo motor 7 drives the driving gear 6 and the driven gear 11 to be in meshing transmission, so that the rotary sleeve 8 is driven to rotate, the mining drill bit can rotate circumferentially, and the washing blind area of the mining drill bit is reduced.

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 utility model. 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.

Claims

1. A drill bit maintenance device for coal mining comprises a cleaning bin (13) with an open top, and is characterized in that a turnover cover (4) is hinged to the top of the cleaning bin (13), the turnover cover (4) is driven by a turnover driving assembly to turn over along a hinged position with the cleaning bin (13), a pipe joint (5) is mounted on the turnover cover (4), the lower end of the pipe joint (5) penetrates through the turnover cover (4) and is connected with a spray head (14) in a penetrating manner, a mounting seat (12) is fixedly connected onto the cleaning bin (13), a rotating sleeve (8) is horizontally and rotatably connected onto the mounting seat (12), the rotating sleeve (8) is driven by a rotating assembly to rotate, an elastic chuck is arranged in the rotating sleeve, the elastic chuck comprises an integrated and coaxial cylindrical portion (18) and a circular table portion (15), and the outer diameter of the circular table portion (15) sequentially increases from inside to outside along the axial direction of the elastic chuck, the circular table part (15) is coaxially provided with a clamping hole (17) which extends into the cylindrical part (18) and is in a blind hole form, a plurality of strip-shaped notches (19) communicated with the clamping holes (17) are arranged on the conical surface of the circular table part (15) along the axial direction of the conical surface in an array manner, the rotating sleeve (8) is coaxially provided with a mounting hole (10) which is used for the sliding fit and insertion of the cylindrical part (18) and is in a through hole form, a taper groove (16) which is matched with the shape of the circular table part (15) and is used for the sliding fit and clamping of the circular table part (15) is also arranged on the circular table part, an empty avoiding groove for the rotary sleeve (8) to freely pass through is arranged on the outer wall of one side of the turnover cover (4) far away from the hinged part of the turnover cover and the cleaning bin (13), an adjusting screw rod (9) is arranged on the rotary sleeve (8) in a penetrating mode through coaxial threads, and one end, penetrating into the rotary sleeve (8), of the adjusting screw rod (9) is connected with the cylindrical portion (18) in a coaxial rotating mode.

2. The coal mining drill bit maintenance device according to claim 1, characterized in that the rotating assembly comprises a servo motor (7) horizontally mounted on a mounting seat (12), a driving gear (6) is connected to the servo motor (7) in a driving manner, a driven gear (11) is sleeved on the rotating sleeve (8), and the driving gear (6) is in meshing transmission with the driven gear (11).

3. The coal mining drill bit maintenance device of claim 1, wherein the mounting hole (10) has a hole depth greater than an axial length of the cylindrical portion (18).

4. The coal mining drill bit maintenance device according to claim 1, characterized in that the flip cover (4) is hinged to the cleaning bin (13) by means of mounting hinges.

5. The coal mining drill bit maintenance device according to claim 1, characterized in that the overturning driving component comprises a movable hinged support (1) hinged on the outer wall of the cleaning bin (13), a telescopic cylinder (2) is installed on the movable hinged support (1), a connecting piece (3) is connected to the telescopic cylinder (2) in a driving mode, and the connecting piece (3) is hinged with the overturning cover (4).