CN213654761U - Full-hydraulic drilling machine for roof-cutting gob-side entry retaining - Google Patents
Full-hydraulic drilling machine for roof-cutting gob-side entry retaining Download PDFInfo
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- CN213654761U CN213654761U CN202022323973.2U CN202022323973U CN213654761U CN 213654761 U CN213654761 U CN 213654761U CN 202022323973 U CN202022323973 U CN 202022323973U CN 213654761 U CN213654761 U CN 213654761U
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- sliding block
- drill
- support column
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- 238000005553 drilling Methods 0.000 title claims abstract description 47
- 238000005520 cutting process Methods 0.000 title claims abstract description 15
- 238000013016 damping Methods 0.000 claims description 11
- 238000004080 punching Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 238000005253 cladding Methods 0.000 abstract description 3
- 238000005065 mining Methods 0.000 abstract description 3
- 238000005422 blasting Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
A full hydraulic drill suitable for a roof cutting gob-side entry retaining relates to the technical field of mining instruments. Including base and the hydraulic pressure walking subassembly of being connected with the base, base upper portion is equipped with the support column, the support column is connected with step motor, step motor's output shaft cladding has the gear, support column upper portion sliding connection has the backup pad that is located between step motor's the output shaft and the gear, the backup pad is opened there is the output shaft matched with slide with step motor, the backup pad is equipped with the rack with gear engaged with, backup pad left end and right-hand member rotate respectively and are connected with and carry the drilling rod, it has the sliding block to carry the drilling rod cladding, the sliding block is connected with the rig, sliding connection has the slider on the base, the slider is connected with the cylinder, the piston rod of. Adopt the utility model discloses technical scheme has overcome the unable accurate equidistance of rig removal in-process and has removed the problem with discontinuous removal, can be used to the rig to realize the continuous removal of equidistance in punching, improves rig work efficiency.
Description
Technical Field
The utility model relates to a mining apparatus technical field specifically is a full-hydraulic drill for roof cutting gob entry.
Background
In coal mining, roof cutting and gob-side entry retaining technology is increasingly popularized, a roadway to be constructed by roof cutting and gob-side entry retaining is reinforced and supported before a working face is mined, pre-blasting directional joint cutting is carried out, so that the connection existing in the roadway and a goaf roof in a certain depth is cut off, a row of holes need to be drilled by a drilling machine during pre-blasting directional joint cutting, then, the holes need to be drilled in the same row in the same extending direction of the roadway through explosive directional blasting, the same row of holes are kept parallel in the axial direction and consistent in the hole diameter, and the angle between a seam and the vertical direction is different due to geological structures. With the improvement of the positioning technology in the existing market, the size and the extending direction of the same row of holes can be controlled, but the full-hydraulic drilling machine needs to be moved once when each hole is drilled, the efficiency is very low, the angle adjustment is not designed, and the accuracy of the drilled holes is not high enough.
In order to solve the problems, Chinese patent (patent publication No. CN210033433U) discloses an all-hydraulic drilling machine suitable for roof-cutting gob-side entry retaining, which comprises a base and a drilling assembly in sliding connection with the base, wherein the drilling assembly comprises a sliding column, a drill-loading sliding plate and a drilling machine main body, the sliding column is connected with the base and can slide along a first direction relative to the base, the drill-loading sliding plate is connected with the sliding column and can rotate relative to the sliding column by taking a rotating shaft in the first direction as an axis, and the drilling machine main body is arranged on the drill-loading sliding plate in a sliding manner.
According to the scheme, the problem that a plurality of holes can be drilled by moving the full-hydraulic drilling machine once is solved by sliding the drilling assembly on the base, the use is more convenient, the drilling angle can be adjusted, the drilling precision is improved to a certain degree, however, the drilling assembly needs to be moved again when one hole is drilled, the efficiency is low, the moving distance is not scientifically designed in the moving process of the drilling assembly, and the drilling machine cannot continuously drill holes at equal intervals.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a full-hydraulic drill suitable for cut top gob entry, under the condition of unmovable base and support column, through step motor control backup pad equidistance continuous movement, drive the continuous equidistance of rig and remove and punch to it is more accurate to make the rig punch the spaced distance.
In order to achieve the above object, the utility model provides a following technical scheme:
a full hydraulic drill suitable for a roof cutting gob-side entry retaining comprises a base and hydraulic traveling assemblies connected with the base, wherein first hydraulic cylinders are arranged at four corners of the bottom of the base, a supporting column is arranged at the top of the base, a second hydraulic cylinder is arranged at the top of the supporting column, the hydraulic traveling assemblies can drive the base to move, a stepping motor is connected to the upper end of the supporting column, an output shaft of the stepping motor is wrapped by a gear, a supporting plate positioned between the output shaft of the stepping motor and the gear is connected to the upper portion of the supporting column in a sliding mode, a slide way matched with the output shaft of the stepping motor is arranged on the supporting plate, a rack meshed with the gear is arranged on the supporting plate, a drill rod carrying rod is respectively and rotatably connected to the left end and the right end of the supporting plate, the drill rod carrying is wrapped by a sliding block, the sliding block is connected with a drilling machine, the base is connected with the sliding block in a sliding mode, the sliding block is connected with an air cylinder, a piston rod of the air cylinder is connected with a push plate, and a movable track of the push plate penetrates through the bottom of the drill rod.
By adopting the technical scheme, the base is moved to a required position through the hydraulic walking assembly, the first hydraulic cylinder and the second hydraulic cylinder are started, the first hydraulic cylinder is used for abutting against the bottom of a roadway, the second hydraulic cylinder is used for abutting against the top wall of the roadway, the base is fixed at a specified position, the punching stability is improved, the stepping motor is started after the whole full-hydraulic drilling machine is fixed, the output shaft of the stepping motor drives the gear to rotate, the gear drives the rack meshed with the gear to move left and right, so that the support plate can move left and right, the equidistant continuous movement of the support plate can be realized only by setting the rotating speed of the stepping motor, the left and right continuous equidistant movement of the support plate drives the drill rod to move left and right continuously and equidistantly, the third hydraulic cylinder is started when the drill rod moves to the specified position, the drilling machine starts to, under the control of the stepping motor, the support plate can move left or right continuously at equal intervals after the first hole is punched by the drilling machine, so that the continuous punching at equal intervals is realized. In the drilling machine working process, when the angle of the drilling machine needs to be adjusted along with the geological structure difference, the piston rod of the air cylinder drives the push plate to move along with the piston rod of the air cylinder, and the drilling machine can swing and adjust the angle relative to the direction perpendicular to the roadway at the moment so as to realize scientific continuous punching and improve punching accuracy and efficiency.
Further, it has damping spring to carry the cladding of drilling rod, damping spring upper end is connected with the sliding block, the damping spring lower extreme is connected with year drilling rod middle part.
Through the setting, there are vibration and fluctuation at the rig in-process that punches, reduce the vibration through the damping spring who sets up, improve the accuracy and the speed of punching.
Furthermore, a T-shaped connecting rod is connected between the two sliding blocks, and the other end of the T-shaped connecting rod is connected with the supporting plate.
Through the setting, the T-shaped connecting rod that is equipped with is connected with slider and backup pad, and slider and bracing piece equidirectional, with the frequency removal increase the feasibility of carrying out of this scheme.
Furthermore, limiting plates are symmetrically arranged at the left end and the right end of the sliding track of the sliding block.
Through the arrangement, the limiting plate is arranged at the slide way, the sliding block sliding-out base is prevented from leading the drilling machine to be incapable of working, and the stability of the scheme is improved.
Furthermore, the supporting plate is provided with scale marks, and an indication arrow is carved on the supporting column.
Through the setting, the backup pad is equipped with the scale, can realize the scientific reading of backup pad displacement, makes the distance science reliable that punches, improves the accuracy of punching.
Compared with the prior art, the scheme has the following beneficial effects: according to the scheme, the support column does not need to be moved in the drilling process of the drilling machine, the output shaft of the stepping motor drives the gear to rotate, so that the support plate continuously moves leftwards and rightwards at equal intervals, the drilling machine continuously moves at equal intervals, and the drilling efficiency is improved; the moving distance is controlled by the stepping motor, and the scale marks of the supporting plate are combined to scientifically and accurately punch holes, so that the holes punched by the drilling machine are axially parallel, have the same size, have the same extending direction and the same distance, and the punching accuracy is improved; the hydraulic cylinder which is connected with the bottom in a sliding mode stretches out and draws back to drive the whole drill rod to swing when the angle is adjusted, so that the accuracy is improved, and the whole working efficiency is improved.
Drawings
FIG. 1 is a front view of an all-hydraulic drilling rig provided by the present invention;
fig. 2 is a left side view of the all-hydraulic drill provided by the utility model.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
reference numerals in the drawings of the specification include: the device comprises a base 1, a support column 2, a first hydraulic cylinder 3, a second hydraulic cylinder 4, a stepping motor 5, a gear 6, a support plate 7, a rack 8, a drill rod carrying rod 9, a sliding block 10, a third hydraulic cylinder 11, a drilling machine 12, a sliding block 13, a cylinder 14, a damping spring 15, a T-shaped connecting rod 16, a limiting plate 17, scale marks 18 and a push plate 19.
The embodiment is shown in fig. 1 and fig. 2, a full hydraulic drill suitable for roof cutting gob-side entry retaining comprises a base 1 and a hydraulic walking assembly connected with the base 1, four corners of the bottom of the base 1 are all connected with first hydraulic cylinders 3 through bolts, piston rods of the first hydraulic cylinders 3 are bonded with supporting blocks, a supporting column 2 is welded at the center of the top of the base 1, a second hydraulic cylinder 4 is connected with the top of the supporting column 2 through bolts, piston rods of the second hydraulic cylinders are bonded with the supporting blocks, square plates are welded at the upper ends of the supporting columns 2 and are connected with a stepping motor 5 through bolts, output shafts of the stepping motor 5 are wrapped with gears 6, first slide ways are arranged on the supporting columns 2 and are connected with supporting plates 7 positioned between output shafts of the stepping motor 5 and the gears 6 in a sliding manner, second slide ways matched with output shafts of the stepping motor 5 are arranged on the supporting plates 7, the upper part of the supporting plate 7 is provided with a rack 8 meshed with the gear 6, the supporting plate 7 is provided with scale marks 18, an indicating arrow is carved on the supporting column 2 for convenient reading, the left end and the right end of the supporting plate 7 are respectively and rotatably connected with a drill rod carrying 9, the connecting part of the drill rod carrying 9 and the supporting plate 7 is provided with a pin for connection, the drill rod carrying 9 is wrapped with a sliding block 10, the sliding block 10 is connected with a drilling machine 12, the middle part of the drill rod carrying 9 is welded with a thin plate vertical to the drill rod carrying 9, the thin plate is in bolted connection with a third hydraulic cylinder 11, a piston rod of the third hydraulic cylinder 11 is bonded with the sliding block 10, the drill rod carrying 9 is wrapped with a damping spring 15, the upper end of the damping spring 15 is connected with the sliding block 10, the lower end of the damping spring 15 is connected with the thin plate, the sliding block 13 is connected with an air cylinder 14 through a bolt, a piston rod of the air cylinder 14 is connected with a push plate 19, the connecting part of the push plate 19 and the bottom of the drill-carrying rod 9 penetrates through a rotating shaft, the drill-carrying rod 9 can rotate relative to the push plate 19, the horizontal moving direction of the bottom of the drill-carrying rod 9 is partially overlapped with the rotating track of the push plate 19, therefore, the angle adjustment of the drilling machine 12 is realized, the limiting plates 17 are symmetrically arranged at the left end and the right end of the upper part of the base 1, the sliding blocks 13 are prevented from sliding out of the base under the action of inertia, the working stability of the drilling machine is ensured, a T-shaped connecting rod 16 is connected between the two sliding blocks 13, the T-shaped connecting rod 16 is obliquely arranged, the upper end of the T-shaped connecting rod 16 is connected with the supporting plate 7, the hydraulic walking component can drive the base 1 to move, the hydraulic walking component comprises four wheels and a rotating shaft positioned between every two wheels, one of the rotating shafts is provided with a hydraulic motor, and the hydraulic motor is started to drive the wheels to rotate so as to move the base 1.
When the full-hydraulic drilling machine works, a hydraulic motor on a rotating shaft in a hydraulic walking assembly is started, four wheels are moved to a specified position by virtue of the hydraulic motor on the rotating shaft, the full-hydraulic drilling machine stops at a specified drilling position, four first hydraulic cylinders 3 at the bottom and a second hydraulic cylinder 4 positioned at the upper part of a support column 2 at the center of a base 1 are started, the bottom of a roadway is supported by virtue of the first hydraulic cylinders 3, the top wall of the roadway is supported by virtue of the second hydraulic cylinders 4, the base 1 is fixed at the specified position, the stability of the base 1 is increased, then a stepping motor 5 is started, a gear 6 coated on an output shaft of the stepping motor 5 rotates, the gear 6 rotates to drive a rack 8 meshed with the gear 6 to move continuously at equal intervals left and right, the rack 8 moves left and right, namely a support plate 7 moves left and right, a drill carrying, the third hydraulic cylinder 11 is started when the drill carrying plate 9 moves to a position needing to be punched, the third hydraulic cylinder 11 is used for driving the sliding block 10 to move the drilling machine 12 to a specified position, the drilling machine 12 is started to punch, after the first hole is punched, the stepping motor 5 rotates equidistantly and continuously to drive the supporting plate 7 to move, so that the drilling machine 12 is driven to move equidistantly to the next punching position, the control supporting plate is controlled by the stepping motor 5 to move equidistantly and continuously, and scientific continuous punching is realized by matching with the reading of scale marks.
When the angle needs to be adjusted, namely the driving cylinder 14 drives the push plate 19 to move, the motion tracks of the push plate 19 and the bottom of the drill carrier rod 9 are the same, and the drill carrier rod 9 is rotatably connected with the supporting plate 7, so that the drilling machine 12 can swing under the influence of the push plate 19 to complete angle adjustment, and the drilling machine is suitable for different geological conditions.
The above embodiments of the present invention are only examples, and the common knowledge of the known specific structures and characteristics in the schemes is not described too much, it should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, and these should be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The utility model provides a full-hydraulic drill suitable for cut top gob entry, includes base (1) and the hydraulic pressure walking subassembly of being connected with base (1), all be equipped with first pneumatic cylinder (3) on four angles of base (1) bottom, base (1) top is equipped with support column (2), support column (2) top is equipped with second pneumatic cylinder (4), hydraulic pressure walking subassembly can drive base (1) and remove its characterized in that: the upper end of the support column (2) is connected with a stepping motor (5), an output shaft of the stepping motor (5) is coated with a gear (6), an upper part of the support column (2) is connected with a support plate (7) between the output shaft of the stepping motor (5) and the gear (6) in a sliding manner, the support plate (7) is provided with a slide way matched with the output shaft of the stepping motor (5), the support plate (7) is provided with a rack (8) meshed with the gear (6), the left end and the right end of the support plate (7) are respectively connected with a drill rod (9) in a rotating manner, the drill rod (9) is coated with a sliding block (10), the sliding block (10) is connected with a third hydraulic cylinder (11), the middle part of the drill rod (9) is connected with the bottom of the third hydraulic cylinder (11), the sliding block (10) is connected with a drilling machine, the sliding block (13) is connected with an air cylinder (14), a piston rod of the air cylinder (14) is connected with a push plate (19), and a movable track of the push plate (19) penetrates through the bottom of the overload drill rod (9).
2. The full hydraulic drill suitable for roof cutting gob-side entry retaining according to claim 1, characterized in that: the drill rod carrying device is characterized in that the drill rod carrying device (9) is coated with a damping spring (15), the upper end of the damping spring (15) is connected with the sliding block (10), and the lower end of the damping spring (15) is connected with the middle of the drill rod carrying device (9).
3. The full hydraulic drill suitable for roof cutting gob-side entry retaining according to claim 2, characterized in that: a T-shaped connecting rod (16) is connected between the two sliding blocks (13), and the other end of the T-shaped connecting rod (16) is connected with the supporting plate (7).
4. A full hydraulic drill suitable for roof cutting gob-side entry retaining according to claim 3, characterized by: limiting plates (17) are symmetrically arranged at the left end and the right end of the sliding track of the sliding block (13).
5. The full hydraulic drill suitable for roof cutting gob-side entry retaining according to claim 4, characterized in that: the support plate (7) is provided with scale marks (18), and the support column (2) is marked with an indication arrow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022323973.2U CN213654761U (en) | 2020-10-19 | 2020-10-19 | Full-hydraulic drilling machine for roof-cutting gob-side entry retaining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022323973.2U CN213654761U (en) | 2020-10-19 | 2020-10-19 | Full-hydraulic drilling machine for roof-cutting gob-side entry retaining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213654761U true CN213654761U (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022323973.2U Expired - Fee Related CN213654761U (en) | 2020-10-19 | 2020-10-19 | Full-hydraulic drilling machine for roof-cutting gob-side entry retaining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213654761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411729A (en) * | 2021-12-22 | 2022-04-29 | 中煤江南建设发展集团有限公司 | Steel pipe column positioning device and construction method thereof |
-
2020
- 2020-10-19 CN CN202022323973.2U patent/CN213654761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411729A (en) * | 2021-12-22 | 2022-04-29 | 中煤江南建设发展集团有限公司 | Steel pipe column positioning device and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210709 |