CN210919107U - Coal mine tunneling and supporting device - Google Patents
Coal mine tunneling and supporting device Download PDFInfo
- Publication number
- CN210919107U CN210919107U CN201921381608.8U CN201921381608U CN210919107U CN 210919107 U CN210919107 U CN 210919107U CN 201921381608 U CN201921381608 U CN 201921381608U CN 210919107 U CN210919107 U CN 210919107U
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- baffle
- hinged
- rotating shaft
- coal mine
- outer side
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Abstract
The utility model relates to a coal mine supporting device, in particular to a coal mine tunneling supporting device, which comprises a base, an outer side baffle, an inner side baffle and a top baffle; the middle position of the base is rotatably provided with a rotating shaft, the upper part of the rotating shaft is provided with an external thread, a thread section of the rotating shaft is in threaded connection with a threaded sleeve, the bottom of the top baffle is rotatably connected with the upper end of the rotating shaft, and the left side and the right side of the top baffle are symmetrically hinged with two inner side baffles; two first mounting seats are symmetrically mounted on the left side and the right side of the threaded sleeve, a push-pull rod is hinged to the outer side of each first mounting seat, a second mounting seat is fixedly mounted at the bottom of the inner side baffle, and the second mounting seats are hinged to the other end of the push-pull rod on the same side. The utility model discloses prevent that the rubble from pounding to the colliery workman, improve workman's survival rate.
Description
Technical Field
The utility model relates to a colliery supporting device specifically is a colliery tunnelling supporting device.
Background
In the coal mining production process under a coal mine, the tunneling work is an indispensable system engineering, the supporting quality of the system engineering is related to the service life and the service effect of a roadway, wherein the control of exposed surrounding rock bodies before permanent supporting, namely temporary supporting, is a technical problem which puzzles coal mine safety production for a long time, the top plate of the tunneling work surface is a main factor of production casualty accidents in the coal industry of China, and in order to reduce the accidents, the temporary supporting of the tunneling work surface for a long time mostly adopts modes of front canopy temporary supporting, machine-mounted temporary supporting, self-moving tunneling temporary supporting and the like.
Although certain safety measures are adopted and certain effects are achieved for temporary support of the coal mine underground tunneling roadway, certain potential safety hazards still exist due to the fact that uncertain factors such as multiple underground roadway geological conditions and the like exist. The forepoling beam (using a pi-shaped beam or a steel pipe, a wood board and the like) needs a plurality of people to cooperate, lay a hinged roof wood board and tightly back to the back, which wastes time and labor; secondly, the method belongs to passive support, has no primary support force, and greatly reduces the support capability; moreover, the manual operation cannot be avoided in the empty top area, which has certain danger
Therefore, in view of the above current situation, there is an urgent need to develop a coal mine tunneling support device to overcome the shortcomings in the current practical application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colliery tunnelling supporting device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a coal mine tunneling support device comprises a base, an outer side baffle, an inner side baffle and a top baffle; the middle position of the base is rotatably provided with a rotating shaft, the upper part of the rotating shaft is provided with an external thread, a thread section of the rotating shaft is in threaded connection with a threaded sleeve, the bottom of the top baffle is rotatably connected with the upper end of the rotating shaft, and the left side and the right side of the top baffle are symmetrically hinged with two inner side baffles; two first mounting seats are symmetrically mounted on the left side and the right side of the threaded sleeve, a push-pull rod is hinged to the outer side of each first mounting seat, a second mounting seat is fixedly mounted at the bottom of the inner side baffle, and the second mounting seats are hinged to the other end of the push-pull rod on the same side;
the outer side of the inner side baffle is further hinged with an outer side baffle, the bottom of the push-pull rod is provided with a third mounting seat, the third mounting seat is hinged with a first telescopic rod, the inner side of the outer side baffle is fixedly provided with a fourth mounting seat, and the fourth mounting seat is hinged with the telescopic end of the first telescopic rod at the same side.
As a further aspect of the present invention: the first telescopic rod is of an electric push rod structure.
As a further aspect of the present invention: and the base is fixedly provided with a driving motor, and the output end of the driving motor is in transmission connection with the lower end of the rotating shaft through a bevel gear set.
As a further aspect of the present invention: the base is provided with a driving motor, the outer side of the driving motor is provided with a protective cover, and the protective cover is rotatably connected with the rotating shaft.
As a further aspect of the present invention: the structure of the top baffle, the structure of the inner side baffle and the structure of the outer side baffle are the same, and the top baffle is sequentially provided with an armor layer, a protective layer and a mesh layer from top to bottom.
As a further aspect of the present invention: the armor layer and the protective layer are made of steel plates with different thicknesses, the armor layer protrudes upwards to form an arch, and the net-shaped layer is formed by attaching an elastic steel wire mesh to the bottom of the protective layer.
As a further aspect of the present invention: the downside fixed mounting of first telescopic link has the articulated seat of second, and the articulated second telescopic link of installing on the articulated seat of second, the flexible end of second telescopic link and the first articulated seat of installing in the outside baffle bottom are articulated each other.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses at the colliery tunnelling in-process, through the length drive outside baffle swing of adjusting first telescopic link, thereby further change strutting arrangement's area, make the colliery of strutting arrangement adaptation different spaces, when the colliery carelessly takes place to collapse, the top shield that has armor and protective layer, inboard baffle and outside baffle can effectively keep out the rubble, reserve sufficient safety space for the colliery workman, if armor and protective layer atress are too violent when broken, the netted layer that has certain elasticity holds the rubble under the effect of self elasticity, prevent that the rubble from pounding to the colliery workman, improve the workman survival rate.
Drawings
Fig. 1 is a schematic structural diagram of a coal mine tunneling and supporting device.
Fig. 2 is a schematic structural diagram of a top baffle plate in the coal mine tunneling and supporting device.
Fig. 3 is a schematic structural diagram of a coal mine tunneling support device in embodiment 2.
In the figure: the device comprises a base 1, a protective cover 2, a bevel gear set 3, a driving motor 4, a rotating shaft 5, a threaded sleeve 6, an outer side baffle 7, an inner side baffle 8, a top baffle 9, a first mounting seat 10, a push-pull rod 11, a second mounting seat 12, a third mounting seat 13, a first telescopic rod 14, a fourth mounting seat 15, a first hinging seat 16, a second telescopic rod 17, a second hinging seat 18, an armor layer 19, a protective layer 20 and a reticular layer 21.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-2, in an embodiment of the present invention, a coal mine excavation supporting device includes a base 1, an outer baffle 7, an inner baffle 8, and a top baffle 9; a rotating shaft 5 is rotatably installed in the middle of the base 1, external threads are arranged on the upper portion of the rotating shaft 5, a threaded sleeve 6 is connected and installed on a threaded section of the rotating shaft 5 in a threaded manner, the bottom of the top baffle 9 is rotatably connected with the upper end of the rotating shaft 5, two inner side baffles 8 are symmetrically hinged to the left side and the right side of the top baffle 9, and a safety protection space is formed among the top baffle 9, the inner side baffles 8 and the base 1; two first installation seats 10 are symmetrically installed on the left side and the right side of the screw sleeve 6, a push-pull rod 11 is hinged to the outer side of each first installation seat 10, a second installation seat 12 is fixedly installed at the bottom of the inner side baffle 8, the second installation seat 12 is hinged to the other end of the push-pull rod 11 on the same side, the screw sleeve 6 is driven to move on the rotating shaft 5 when the rotating shaft 5 rotates, the inner side baffle 8 is driven to rotate through the push-pull rod 11, the extending length of the inner side baffle 8 is changed, and therefore adjustment is conducted according to the size of the space inside a coal mine when the coal mine is tunneled;
the outer side of the inner side baffle 8 is also hinged with an outer side baffle 7, the bottom of the push-pull rod 11 is provided with a third mounting seat 13, the third mounting seat 13 is hinged with a first telescopic rod 14, the inner side of the outer side baffle 7 is fixedly provided with a fourth mounting seat 15, the fourth mounting seat 15 is hinged with the telescopic end of the first telescopic rod 14 at the same side, and the outer side baffle 7 is driven to swing by adjusting the length of the first telescopic rod 14, so that the area of the supporting device is further changed, and the supporting device is suitable for coal mines in different spaces;
specifically, in this embodiment, the first telescopic rod 14 is an electric push rod structure;
the base 1 is fixedly provided with a driving motor 4, and the output end of the driving motor 4 is in transmission connection with the lower end of the rotating shaft 5 through a bevel gear set and is used for driving the rotating shaft 5 to rotate; a protective cover 2 is further mounted on the base 1 and positioned on the outer side of the driving motor 4, and the protective cover 2 is rotatably connected with the rotating shaft 5 and used for protecting the driving motor 4 and supporting the rotating shaft 5;
the structure of top baffle 9, inboard baffle 8 and outside baffle 7 is the same, and top baffle 9 from the top down has set gradually armor 19, protective layer 20 and netted layer 21, armor 19 and protective layer 20 are made by the different steel sheet of thickness, and armor 19 upwards stands out and forms the arch, increases the intensity of baffle, netted layer 21 is attached in the bottom of protective layer 20 by the elasticity wire net and forms, and strutting arrangement is when using, if armor 19 and protective layer 20 atress is too violent when broken, has certain elastic netted layer 21 and catches the rubble under the effect of self elasticity, prevents that the rubble from pounding to the colliery workman, further protects the workman to advance.
Example 2
Referring to fig. 1-2, in an embodiment of the present invention, a coal mine excavation supporting device includes a base 1, an outer baffle 7, an inner baffle 8, and a top baffle 9; a rotating shaft 5 is rotatably installed in the middle of the base 1, external threads are arranged on the upper portion of the rotating shaft 5, a threaded sleeve 6 is connected and installed on a threaded section of the rotating shaft 5 in a threaded manner, the bottom of the top baffle 9 is rotatably connected with the upper end of the rotating shaft 5, two inner side baffles 8 are symmetrically hinged to the left side and the right side of the top baffle 9, and a safety protection space is formed among the top baffle 9, the inner side baffles 8 and the base 1; two first installation seats 10 are symmetrically installed on the left side and the right side of the screw sleeve 6, a push-pull rod 11 is hinged to the outer side of each first installation seat 10, a second installation seat 12 is fixedly installed at the bottom of the inner side baffle 8, the second installation seat 12 is hinged to the other end of the push-pull rod 11 on the same side, the screw sleeve 6 is driven to move on the rotating shaft 5 when the rotating shaft 5 rotates, the inner side baffle 8 is driven to rotate through the push-pull rod 11, the extending length of the inner side baffle 8 is changed, and therefore adjustment is conducted according to the size of the space inside a coal mine when the coal mine is tunneled;
the outer side of the inner side baffle 8 is also hinged with an outer side baffle 7, the bottom of the push-pull rod 11 is provided with a third mounting seat 13, the third mounting seat 13 is hinged with a first telescopic rod 14, the inner side of the outer side baffle 7 is fixedly provided with a fourth mounting seat 15, the fourth mounting seat 15 is hinged with the telescopic end of the first telescopic rod 14 at the same side, and the outer side baffle 7 is driven to swing by adjusting the length of the first telescopic rod 14, so that the area of the supporting device is further changed, and the supporting device is suitable for coal mines in different spaces;
specifically, in this embodiment, the first telescopic rod 14 is an electric push rod structure;
the base 1 is fixedly provided with a driving motor 4, and the output end of the driving motor 4 is in transmission connection with the lower end of the rotating shaft 5 through a bevel gear set and is used for driving the rotating shaft 5 to rotate; a protective cover 2 is further mounted on the base 1 and positioned on the outer side of the driving motor 4, and the protective cover 2 is rotatably connected with the rotating shaft 5 and used for protecting the driving motor 4 and supporting the rotating shaft 5;
the structure of top baffle 9, inboard baffle 8 and outside baffle 7 is the same, and top baffle 9 from the top down has set gradually armor 19, protective layer 20 and netted layer 21, armor 19 and protective layer 20 are made by the different steel sheet of thickness, and armor 19 upwards stands out and forms the arch, increases the intensity of baffle, netted layer 21 is attached in the bottom of protective layer 20 by the elasticity wire net and forms, and strutting arrangement is when using, if armor 19 and protective layer 20 atress is too violent when broken, has certain elastic netted layer 21 and catches the rubble under the effect of self elasticity, prevents that the rubble from pounding to the colliery workman, further protects the workman to advance.
Referring to fig. 3, the difference between this embodiment and embodiment 1 is that a second hinged seat 18 is fixedly installed at a lower side of the first telescopic rod 14, a second telescopic rod 17 is hinged to the second hinged seat 18, a telescopic end of the second telescopic rod 17 is hinged to a first hinged seat 16 installed at the bottom of the outer side baffle 7, and the arrangement of the second telescopic rod 17 is increased, so that the structure of the supporting device is more stable, and the safety factor of the supporting device is improved.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also 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.
Claims (7)
1. A coal mine tunneling support device is characterized by comprising a base (1), an outer side baffle (7), an inner side baffle (8) and a top baffle (9); a rotating shaft (5) is rotatably installed in the middle of the base (1), external threads are arranged on the upper portion of the rotating shaft (5), a threaded sleeve (6) is installed on a threaded section of the rotating shaft (5) in a threaded connection mode, the bottom of the top baffle (9) is rotatably connected with the upper end of the rotating shaft (5), and two inner side baffles (8) are symmetrically hinged to the left side and the right side of the top baffle (9); two first mounting seats (10) are symmetrically mounted on the left side and the right side of the threaded sleeve (6), a push-pull rod (11) is hinged to the outer side of each first mounting seat (10), a second mounting seat (12) is fixedly mounted at the bottom of the inner side baffle (8), and the second mounting seats (12) are hinged to the other end of the push-pull rod (11) on the same side;
the outer side of the inner side baffle (8) is further hinged with an outer side baffle (7), a third mounting seat (13) is mounted at the bottom of the push-pull rod (11), a first telescopic rod (14) is mounted on the third mounting seat (13) in a hinged mode, a fourth mounting seat (15) is fixedly mounted on the inner side of the outer side baffle (7), and the fourth mounting seat (15) is hinged with the telescopic end of the first telescopic rod (14) on the same side.
2. A coal mine tunnelling support device as claimed in claim 1, in which the first telescopic rod (14) is of an electric push rod construction.
3. The coal mine excavation supporting device according to claim 2, characterized in that a driving motor (4) is fixedly installed on the base (1), and the output end of the driving motor (4) is in transmission connection with the lower end of the rotating shaft (5) through a bevel gear set.
4. The coal mine excavation support device according to claim 3, characterized in that a protective cover (2) is further installed on the base (1) and located on the outer side of the driving motor (4), and the protective cover (2) is rotatably connected with the rotating shaft (5).
5. The coal mine excavation support device according to claim 1, characterized in that the top baffle (9), the inner side baffle (8) and the outer side baffle (7) are identical in structure, and the top baffle (9) is provided with an armor layer (19), a protective layer (20) and a net layer (21) from top to bottom in sequence.
6. A coal mine excavation supporting device according to claim 5, characterized in that the armor layer (19) and the protective layer (20) are made of steel plates with different thicknesses, the armor layer (19) protrudes upwards to form an arch, and the reticular layer (21) is formed by attaching an elastic steel wire mesh to the bottom of the protective layer (20).
7. A coal mine excavation supporting device according to any one of claims 1 to 6, characterized in that a second hinged seat (18) is fixedly installed on the lower side of the first telescopic rod (14), a second telescopic rod (17) is hinged and installed on the second hinged seat (18), and the telescopic end of the second telescopic rod (17) is hinged and installed with the first hinged seat (16) installed at the bottom of the outer baffle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381608.8U CN210919107U (en) | 2019-08-23 | 2019-08-23 | Coal mine tunneling and supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381608.8U CN210919107U (en) | 2019-08-23 | 2019-08-23 | Coal mine tunneling and supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919107U true CN210919107U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921381608.8U Expired - Fee Related CN210919107U (en) | 2019-08-23 | 2019-08-23 | Coal mine tunneling and supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160783A (en) * | 2020-08-31 | 2021-01-01 | 中国有色金属工业昆明勘察设计研究院有限公司 | Underground broken rock mass tunnel engineering struts quick strutting arrangement |
| CN114673535A (en) * | 2022-03-28 | 2022-06-28 | 中国矿业大学(北京) | Large-inclination-angle supporting device for preventing coal wall from caving |
-
2019
- 2019-08-23 CN CN201921381608.8U patent/CN210919107U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160783A (en) * | 2020-08-31 | 2021-01-01 | 中国有色金属工业昆明勘察设计研究院有限公司 | Underground broken rock mass tunnel engineering struts quick strutting arrangement |
| CN114673535A (en) * | 2022-03-28 | 2022-06-28 | 中国矿业大学(北京) | Large-inclination-angle supporting device for preventing coal wall from caving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20210823 |