CN112814562A - Coal mine geological drilling device - Google Patents
Coal mine geological drilling device Download PDFInfo
- Publication number
- CN112814562A CN112814562A CN202110008388.XA CN202110008388A CN112814562A CN 112814562 A CN112814562 A CN 112814562A CN 202110008388 A CN202110008388 A CN 202110008388A CN 112814562 A CN112814562 A CN 112814562A
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- base
- workbench
- drilling
- plate
- coal mine
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- 238000005553 drilling Methods 0.000 title claims abstract description 104
- 239000003245 coal Substances 0.000 title claims abstract description 28
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a coal mine geological drilling device, and belongs to the field of coal mine drilling. It includes: the drilling device comprises a base, a workbench positioned on the upper side of the base and a drilling assembly positioned on the workbench; a lifting device is arranged between the workbench and the base and used for pushing the workbench to move in a direction away from or close to the base; the workbench is also provided with a push-pull device, and the push-pull device is used for controlling the drilling assembly to linearly move on the workbench. The problem that the application range of the drilling device is small due to the fact that the automation degree of an existing drilling device is low is solved.
Description
Technical Field
The invention relates to the field of design and manufacture of coal mine drilling equipment, in particular to a coal mine geological drilling device.
Background
The coal mine drilling device is one of necessary devices widely applied to coal mining, and is mainly used for various engineering holes and the like for carrying out exploration activities on environmental characteristics and geological conditions of coal mines and other purposes.
At present, when workers use a handheld drilling machine to drill, the handheld drilling machine is difficult to stabilize due to huge force generated by the handheld drilling machine, and the drilling machine is easy to shake to cause drilling position deviation, so that the drilling effect is influenced, and the labor intensity is improved; the conventional drilling device cannot adjust the drilling height during drilling, cannot conveniently adjust a drilling machine to the drilling height required by a worker, cannot adjust the drilling angle within a certain range according to the drilling position, and is small in application range. Therefore, it is an urgent technical problem to provide an adjustable drilling device.
Disclosure of Invention
The invention provides a drilling device with a wider application range, and aims to solve the technical problem that the application range of the drilling device is smaller due to the fact that the existing drilling device is low in automation degree.
In order to solve the technical problems, the invention provides the following technical scheme:
a coal mine geological drilling apparatus, comprising: the drilling device comprises a base, a workbench positioned on the upper side of the base and a drilling assembly positioned on the workbench; a lifting device is arranged between the workbench and the base and used for pushing the workbench to move in a direction away from or close to the base; the workbench is also provided with a push-pull device, and the push-pull device is used for controlling the drilling assembly to linearly move on the workbench.
In some embodiments of the present invention, the lifting device includes: the device comprises a screw nut mechanism, a first driving mechanism and a lifting plate; a screw rod in the screw rod nut mechanism is rotatably connected to the base, a nut in the screw rod nut mechanism is connected with the lifting plate through a connecting rod, and the connecting rod is respectively hinged with the lifting plate and the nut; the first driving mechanism drives the lead screw to rotate, and the nut extends the lead screw to slide and drives the lifting plate to lift towards the direction close to or far away from the bottom plate.
In some embodiments of the present invention, the lead screw includes a first lead screw and a second lead screw with opposite spiral directions, and the nut includes a first nut connected to the first lead screw and a second nut connected to the second lead screw.
In some embodiments of the present invention, the base includes a bottom plate, a side plate, and a top plate, the first driving mechanism is mounted on the bottom plate, the screw nut mechanism is mounted on the side plate, a through hole is formed in the top plate, and the connecting rod is connected to the nut by passing through the through hole.
In some embodiments of the present invention, the lifting plate is connected to the table through a rotation support mechanism, and the rotation support mechanism includes: one end of the supporting rod is fixedly connected with the lifting plate, and the other end of the supporting rod is hinged with the workbench; the telescopic rod and the supporting rod are arranged at intervals, the fixed end of the telescopic rod is fixedly connected with the lifting plate, and the telescopic end of the telescopic rod is hinged with the workbench; and the second driving device is used for driving the telescopic rod to extend or retract so as to drive the workbench to swing around the hinged part of the supporting rod.
In some embodiments of the present invention, the push-pull device comprises: the device comprises a first guide rail, a push-pull rod connected to the first guide rail in a sliding manner and a third driving device for driving the push-pull rod; the third driving device comprises a third driving motor and a driving gear connected to an output shaft of the third driving motor, a driving rack meshed with the driving gear is arranged on the push-pull rod, and the push-pull rod is connected with the drilling assembly.
In some embodiments of the present invention, the drilling assembly includes a drilling motor and a drill bit mounted on an output shaft of the drilling motor, the drilling motor is fixedly connected to the support plate, and the push-pull rod is fixedly connected to the support plate.
In some embodiments of the invention, a second guide rail is disposed on the worktable, and the support plate is slidably connected to the second guide rail.
In some embodiments of the present invention, the base is further provided with a moving wheel and a moving handle, the moving wheel is located at a lower side of the base, the moving handle is located at an upper side of the base, and the base is driven by the moving handle and the moving wheel to move.
In some embodiments of the present invention, the base is further provided with a ground pin, and the ground pin includes: the fixing plate is fixedly connected to the base side plate, the screw is in threaded connection with the screw on the fixing plate, the lower end of the screw is rotatably connected with a foundation support plate through a bearing, and a plurality of fixing teeth are arranged at the lower end of the foundation support plate.
Compared with the prior art, the technical scheme of the invention has the following technical effects:
in the coal mine geological drilling device provided by the invention, the workbench can be lifted along the longitudinal direction by arranging the lifting device between the base and the workbench, meanwhile, the workbench is also provided with the push-pull device which controls the drilling assembly to move linearly along the workbench, and the drilling device can adjust the height and the horizontal position of the drilling assembly according to the actual drilling position height on site, is applied to drilling at different positions and has a wide application range.
In the coal mine geological drilling device provided by the invention, in order to enable the workbench to rotate in a certain direction, the rotary support mechanism is further included, and the rotary support mechanism is used for enabling the workbench to swing in a certain range around the hinged part on one side, so that the drilling direction of the drilling assembly can be adjusted according to the field situation, and the applicability of the drilling device is further improved.
In the coal mine geological drilling device provided by the invention, the frame-type base can accommodate the screw-nut mechanism and the first driving device in the lifting device, when the drilling device is not used, the lifting plate can be lowered to the lowest position and can be supported on the top plate, and the whole device occupies a small space in a non-working state; meanwhile, the first driving device can be directly arranged on the bottom plate and is positioned on the inner side of the base and not easy to damage.
Drawings
The objects and advantages of the present invention will be understood by the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural view of one embodiment of a coal mine geological drilling rig according to the present invention;
FIG. 2 is a schematic structural view of a lifting device in the coal mine geological drilling rig of the present invention;
FIG. 3 is a schematic structural view of a push-pull device in the coal mine geological drilling rig according to the present invention;
fig. 4 is a schematic structural diagram of a third driving mechanism in the coal mine geological drilling device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 shows an embodiment of a coal mine geological drilling apparatus (hereinafter referred to as a drilling apparatus) according to the present invention, which includes: the drilling machine comprises a base 1, a workbench 9 positioned on the upper side of the base 1 and a drilling assembly positioned on the workbench 9; a lifting device is arranged between the workbench 9 and the base 1, and the lifting device is used for pushing the workbench 9 to move in a direction away from or close to the base 1; and a push-pull device is also arranged on the workbench 9 and is used for controlling the drilling assembly to linearly move on the workbench 9. Specifically, the drilling assembly comprises a drilling motor 13 and a drill bit 14 mounted on an output shaft of the drilling motor 13, and the drilling motor 13 drives the drill bit 14 to rotate so as to perform drilling work.
According to the drilling device, the lifting device is arranged between the base 1 and the workbench 9, the workbench 9 can lift along the longitudinal direction, meanwhile, the workbench 9 is further provided with the push-pull device which controls the drilling assembly to move linearly along the workbench 9, the drilling device can adjust the height and the horizontal direction position of the drilling assembly according to the actual drilling position on site, and the drilling device is applied to drilling at different positions and is wide in application range.
Specifically, the lifting device includes: a screw nut mechanism, a first drive mechanism and a lifting plate 4. The lead screw nut mechanism comprises a lead screw 301 and a nut 305 screwed on the lead screw 301, wherein the lead screw 301 is rotatably connected to the base 1, and specifically, the lead screw 301 is rotatably connected to the base 1 through a bearing; the nut 305 is connected with the lifting plate 4 through a connecting rod 306, and the connecting rod 306 is respectively hinged with the lifting plate 4 and the nut 305; the first driving mechanism drives the lead screw 301 to rotate, the nut 305 slides along the lead screw 301 and drives the lifting plate 4 to lift towards or away from the bottom plate, and specifically, when the extending direction of the connecting rod 306 is perpendicular to the lead screw 301, the lifting plate 4 moves to the highest position; when the connecting rod 306 is parallel to the screw 301, the lifting plate 4 moves to the lowest position.
More specifically, in order to enable the lifting plate 4 to have stable supporting force, at least two connecting seats are arranged at the lower side of the lifting plate 4, at least two connecting rods 306 are hinged to the connecting seats, the two connecting rods 306 are symmetrically arranged at two sides of the bottom surface of the lifting plate 4, the screw 301 comprises a first screw and a second screw with opposite screw directions, and the nut 305 comprises a first nut connected with the first screw and a second nut connected with the second screw.
The first driving mechanism comprises a first driving motor 303 and a gear transmission mechanism, the gear transmission mechanism comprises a first bevel gear 304 connected with an output shaft of the first driving motor 303 and a second bevel gear 302 matched with the first bevel gear 304, and the second bevel gear 302 is fixedly connected with the lead screw 301. The first driving motor 303 rotates to drive the lead screw 301 to rotate, after the first lead screw 301 and the second lead screw 301 rotate, the moving directions of the first nut 305 and the second nut 305 are opposite, that is, the first nut 305 and the second nut 305 move towards the middle position or both move towards the outside simultaneously, so that the lifting plate 4 is lifted or lowered.
Specifically, the base 1 is enclosed by a bottom plate 101, side plates 102 and a top plate 103; the bottom plate 101 is parallel to the top plate 103, and the side plate 102 is provided with the bearing for supporting the screw and nut mechanism; the top plate 103 is provided with a through hole through which the connecting rod 306 can be connected with the nut 305; the first driving motor 303 is mounted on the base plate 101. When the drilling rig is not used, the lifting plate 4 can be lowered to the lowest position, the connecting rod 306 can be arranged on the upper side of the screw 301 in parallel, the lifting plate 4 can be supported on the top plate 103, and the frame-type base 1 structure can enable the connecting plate to be accommodated in the frame-type base 1 structure, so that the space is saved; meanwhile, the first driving device can be directly installed on the bottom plate 101, and is not easy to be damaged at the inner side of the base 1.
For some special scenarios, it is necessary that the drilling direction of the drilling assembly has a certain angle with respect to the horizontal direction, therefore, in order to make the workbench 9 perform a certain rotation in the horizontal direction, the lifting plate 4 is connected with the workbench 9 through a rotary support mechanism, and the rotary support mechanism comprises: a support rod 5, one end of which is fixedly connected with the lifting plate 4, and the other end of which is hinged with the workbench 9 through a first hinge part 7, a telescopic rod 6 which is arranged at an interval with the support rod 5, and a second driving device, wherein the fixed end of the telescopic rod 6 is fixedly connected with the lifting plate 4, and the telescopic end of the telescopic rod 6 is hinged with the workbench 9 through a second hinge part 8; the second driving device drives the telescopic rod 6 to extend or retract so as to drive the workbench 9 to swing up and down around the first hinge part 7.
Specifically, the telescopic rod 6 may be a hydraulic cylinder, and the second driving device is a hydraulic driving device at this time; the telescopic rod 6 can also be an electric telescopic rod, and the second driving device is an electric driving device at the moment.
In particular, the drilling assembly is directly movable with respect to the table 9 by means of a push-pull device as follows.
The push-pull device comprises: a first guide rail 1705, a push-pull rod 12 slidably connected to the first guide rail 1705, and a third driving device for driving the push-pull rod 12; the third driving device comprises a third driving motor 1701 and a driving gear 1702 connected to an output shaft of the third driving motor 1701, a driving rack 1703 engaged with the driving gear 1702 is arranged on the push-pull rod 12, and the push-pull rod 12 is connected with the drilling assembly. Specifically, the drilling motor 13 is fixedly connected to the support plate 12, and the push-pull rod 12 is fixedly connected to the support plate 12.
The third driving motor 1701 drives the push-pull rod 12 to slide along the first guide rail 1705, and the push-pull rod 12 drives the support plate 12 to move so as to drive the drilling motor 13 to move linearly.
Specifically, a vertical plate 15 is arranged on the workbench 9, the surface of the vertical plate 15 is perpendicular to the top surface of the workbench 9, the third driving motor 1701 is fixedly connected to the vertical plate 15, a through hole 16 is formed in the vertical plate 15, and the end of the driving rack 1703 of the push-pull rod 12 can pass through the through hole 16.
Specifically, a second guide rail 10 is disposed on the working table 9, and the support plate 12 is slidably connected to the second guide rail 10. More specifically, a first slider 11 is arranged under the support plate 12 to cooperate with the second rail 10.
Specifically, a second slider 1704 is disposed on the lower side of the push-pull rod 12, and the second slider 1704 is engaged with the first rail 1705 to slide.
The drilling assembly and the push-pull rod 12 can slide smoothly with small sliding friction by arranging the first guide rail 1705 and the second guide rail 10, and the drilling assembly can move linearly along a set direction.
In order to limit the sliding position of the drilling assembly on the workbench 9, a limit block 23 is further arranged on the workbench 9, the limit block 23 is arranged at the end part of the second guide rail 10 and used for blocking the first sliding block 11, and the limit position at the other side of the drilling assembly is realized by blocking the first sliding block 11 through a vertical plate 15 as a limit structure.
In order to further facilitate the use of the drilling device, the base 1 is further provided with a moving wheel 25 and a moving handle 24, the moving wheel 25 is located on the lower side of the base 1, the moving handle 24 is located on the upper side of the base 1, and the base 1 is driven by the moving handle 24 and the moving wheel 25 to move. In particular, the moving wheel 25 is a universal wheel which can facilitate the movement of the drilling device, and the moving handle 24 facilitates the movement of the drilling device.
In order to fix the drilling rig on the ground after moving to the working position and to make the base 1 stably support the worktable 9, a ground pin is further arranged on the base 1, and the ground pin comprises: the fixing plate 18 is fixedly connected to the side plate 102 of the base 1, the screw rod 19 is in threaded connection with the fixing plate 18, the lower end of the screw rod 19 is rotatably connected with an anchor support plate 20 through a bearing, and a plurality of fixing teeth 21 are arranged at the lower end of the anchor support plate 20.
More specifically, a rotary disc 22 is further disposed on the upper side of the screw rod 19, and the screw rod 19 can be driven to rotate by rotating the rotary disc 22.
More specifically, at least two ground feet are arranged on the base 1.
During the installation, through will rotating screw rod 19 makes fixed tooth 21 in the lower margin backup pad 20 grabs the ground, and each lower margin all connects after firm, and the position of rethread first drive arrangement, second drive arrangement and third drive arrangement to probing subassembly is adjusted, and above-mentioned regulation structure of above-mentioned probing device can realize automatic control, makes this probing device's suitability stronger, simultaneously, the time spent not, can accomodate, accomodate back whole probing device's volume less, occupation space is less.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (10)
1. A coal mine geological drilling apparatus, characterized in that it comprises:
the drilling device comprises a base, a workbench positioned on the upper side of the base and a drilling assembly positioned on the workbench;
a lifting device is arranged between the workbench and the base and used for pushing the workbench to move in a direction away from or close to the base; the workbench is also provided with a push-pull device, and the push-pull device is used for controlling the drilling assembly to linearly move on the workbench.
2. A coal mine geological drilling rig as recited in claim 1 wherein said elevator comprises: the device comprises a screw nut mechanism, a first driving mechanism and a lifting plate;
a screw rod in the screw rod nut mechanism is rotatably connected to the base, a nut in the screw rod nut mechanism is connected with the lifting plate through a connecting rod, and the connecting rod is respectively hinged with the lifting plate and the nut; the first driving mechanism drives the lead screw to rotate, and the nut extends the lead screw to slide and drives the lifting plate to lift towards the direction close to or far away from the bottom plate.
3. A coal mine geological drilling rig as recited in claim 2 wherein said lead screws comprise first and second lead screws having opposite helical directions, and said nuts comprise a first nut coupled to said first lead screw and a second nut coupled to said second lead screw.
4. A coal mine geological drilling rig as recited in claim 3, wherein said base includes a bottom plate, side plates, and a top plate, said first driving mechanism is mounted on said bottom plate, said screw and nut mechanism is mounted on said side plates, said top plate has a through hole, and said connecting rod is connected to said nut by passing through said through hole.
5. A coal mine geological drilling rig as recited in claim 4 wherein said elevator plate is connected to said table by a rotational support mechanism, said rotational support mechanism comprising:
one end of the supporting rod is fixedly connected with the lifting plate, and the other end of the supporting rod is hinged with the workbench;
the telescopic rod and the supporting rod are arranged at intervals, the fixed end of the telescopic rod is fixedly connected with the lifting plate, and the telescopic end of the telescopic rod is hinged with the workbench;
and the second driving device is used for driving the telescopic rod to extend or retract so as to drive the workbench to swing around the hinged part of the supporting rod.
6. A coal mine geological drilling rig as recited in claim 1 wherein said push-pull device comprises:
the device comprises a first guide rail, a push-pull rod connected to the first guide rail in a sliding manner and a third driving device for driving the push-pull rod;
the third driving device comprises a third driving motor and a driving gear connected to an output shaft of the third driving motor, a driving rack meshed with the driving gear is arranged on the push-pull rod, and the push-pull rod is connected with the drilling assembly.
7. A coal mine geological drilling rig as recited in claim 6 wherein said drilling assembly includes a drilling motor and a drill bit mounted on an output shaft of the drilling motor, said drilling motor being fixedly attached to a support plate, said push-pull rod being fixedly attached to said support plate.
8. A coal mine geological drilling rig as recited in claim 7 wherein a second rail is provided on said table and said support plate is slidably connected to said second rail.
9. The coal mine geological drilling device as recited in claim 1, wherein a moving wheel and a moving handle are further disposed on said base, said moving wheel is located on the lower side of said base, said moving handle is located on the upper side of said base, and said base is moved by said moving handle and said moving wheel.
10. A coal mine geological drilling rig according to claim 1, wherein a ground pin is further provided on said base, said ground pin comprising: the fixing plate is fixedly connected to the base side plate, the screw is in threaded connection with the screw on the fixing plate, the lower end of the screw is rotatably connected with a foundation support plate through a bearing, and a plurality of fixing teeth are arranged at the lower end of the foundation support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110008388.XA CN112814562A (en) | 2021-01-05 | 2021-01-05 | Coal mine geological drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110008388.XA CN112814562A (en) | 2021-01-05 | 2021-01-05 | Coal mine geological drilling device |
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| Publication Number | Publication Date |
|---|---|
| CN112814562A true CN112814562A (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110008388.XA Pending CN112814562A (en) | 2021-01-05 | 2021-01-05 | Coal mine geological drilling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112814562A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756797A (en) * | 2021-09-23 | 2021-12-07 | 云南滇东雨汪能源有限公司 | Rock wall drilling machine for coal mining |
| CN114151008A (en) * | 2021-12-06 | 2022-03-08 | 北京中海兴达建设有限公司 | Drilling equipment for construction site soil layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB300628A (en) * | 1927-11-18 | 1929-04-25 | Jeffrey Mfg Co | Improvements in and connected with coal, rock and like drilling machines |
| CN108005578A (en) * | 2017-12-23 | 2018-05-08 | 郑州国知网络技术有限公司 | A kind of gear regulating type various dimensions mining drilling equipment |
| CN208718568U (en) * | 2018-09-18 | 2019-04-09 | 山东鲁泰控股集团有限公司 | A kind of coal mine mining industry boring mechanic |
| CN209469382U (en) * | 2019-01-28 | 2019-10-08 | 荆晓东 | A kind of coal mine drilling equipment of adjustable-angle |
| CN210343233U (en) * | 2019-08-29 | 2020-04-17 | 陶芳泽 | Drilling rig for coal mine operation |
| CN212272023U (en) * | 2020-06-04 | 2021-01-01 | 张慕宇 | Water prevention and control device for coal mine geological engineering |
-
2021
- 2021-01-05 CN CN202110008388.XA patent/CN112814562A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB300628A (en) * | 1927-11-18 | 1929-04-25 | Jeffrey Mfg Co | Improvements in and connected with coal, rock and like drilling machines |
| CN108005578A (en) * | 2017-12-23 | 2018-05-08 | 郑州国知网络技术有限公司 | A kind of gear regulating type various dimensions mining drilling equipment |
| CN208718568U (en) * | 2018-09-18 | 2019-04-09 | 山东鲁泰控股集团有限公司 | A kind of coal mine mining industry boring mechanic |
| CN209469382U (en) * | 2019-01-28 | 2019-10-08 | 荆晓东 | A kind of coal mine drilling equipment of adjustable-angle |
| CN210343233U (en) * | 2019-08-29 | 2020-04-17 | 陶芳泽 | Drilling rig for coal mine operation |
| CN212272023U (en) * | 2020-06-04 | 2021-01-01 | 张慕宇 | Water prevention and control device for coal mine geological engineering |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756797A (en) * | 2021-09-23 | 2021-12-07 | 云南滇东雨汪能源有限公司 | Rock wall drilling machine for coal mining |
| CN113756797B (en) * | 2021-09-23 | 2024-02-02 | 云南滇东雨汪能源有限公司 | Rock wall drilling machine for coal mine exploitation |
| CN114151008A (en) * | 2021-12-06 | 2022-03-08 | 北京中海兴达建设有限公司 | Drilling equipment for construction site soil layer |
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Application publication date: 20210518 |