CN210977549U - Underground coal mine support device - Google Patents
Underground coal mine support device Download PDFInfo
- Publication number
- CN210977549U CN210977549U CN201921940511.6U CN201921940511U CN210977549U CN 210977549 U CN210977549 U CN 210977549U CN 201921940511 U CN201921940511 U CN 201921940511U CN 210977549 U CN210977549 U CN 210977549U
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- supporting
- sliding
- mounting seat
- support column
- cavity
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Abstract
The utility model discloses a coal mine underground support device, which comprises a support plate, wherein two support seats are relatively and fixedly arranged on the left side and the right side of the lower end of a mounting seat, a sliding block is slidably arranged in a sliding cavity, a vertically extending threaded pipe is rotatably arranged in a through hole through a bearing, a vertically extending support column is fixedly arranged on the upper side of the sliding block, an external thread matched with the threaded pipe is arranged on the support column, a movable wheel is fixedly arranged on the lower side of the sliding block, and an auxiliary hole which extends downwards and penetrates through the mounting seat is arranged at the lower end of the; the utility model drives the support column to move downwards by rotating the rotary handle clockwise, and drives the moving wheel to extend out of the auxiliary hole to the outer side of the mounting seat to contact with the ground when the support column moves downwards, thereby facilitating the whole device to move in the tunnel; the support column is driven to move upwards through the anticlockwise rotation handle, the support plate rises when the support column moves upwards, and the support plate is contacted with the top of the roadway, so that the height of the support plate can be conveniently adjusted according to the height of the roadway.
Description
Technical Field
The utility model relates to a colliery field of strutting, concretely relates to colliery is strutting arrangement in pit.
Background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities. Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others.
In the coal mine tunneling engineering, the tops of tunnels tunneled by multiple coal mines are required to be supported, the existing supporting device is inconvenient to move and can slow down the coal mine tunneling speed, and in addition, the tops of the tunnels are not flat surfaces, so that the existing supporting device is inconvenient to adaptively support the tops of the tunnels.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a colliery is supporting device in pit is provided, is convenient for remove, is convenient for carry out the adaptability to the tunnel of different shapes and supports to solve the problem among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that: the underground coal mine support device comprises a support plate, wherein two support mechanisms are oppositely arranged on the left side and the right side of the lower side of the support plate; the supporting mechanism comprises an installation seat, and two supporting seats are oppositely and fixedly installed on the left side and the right side of the lower end of the installation seat; a vertically extending sliding cavity is arranged in the mounting seat, a sliding block is slidably mounted in the sliding cavity, a through hole which extends upwards and penetrates through the mounting seat is formed in the upper end of the sliding cavity, a vertically extending threaded pipe is rotatably mounted in the through hole through a bearing, a vertically extending support column is fixedly mounted on the upper side of the sliding block, external threads matched with the threaded pipe are formed in the support column, and the upper end of the support column extends to the outer side of the mounting seat and is hinged to the lower side of the support plate; the lower side of the sliding block is fixedly provided with a moving wheel, the lower end of the sliding cavity is provided with an auxiliary hole which extends downwards and penetrates through the mounting seat, and when the sliding block abuts against the lower end of the sliding cavity, the moving wheel extends out of the auxiliary hole to the outer side of the mounting seat; and the mounting seat is also provided with a linkage mechanism for driving the threaded pipe to rotate.
As a further improvement, the lower side of the supporting seat is provided with a plurality of barbed nails.
As a preferable technical scheme, the linkage mechanism comprises a first bevel gear coaxially and fixedly mounted on the threaded pipe, a rotating shaft extending back and forth is rotatably mounted on the mounting seat, a second bevel gear meshed with the first bevel gear is coaxially and fixedly mounted at one end of the rotating shaft located in the sliding cavity, and a rotating handle is fixedly mounted at one end of the rotating shaft located on the outer side of the mounting seat.
As a preferable technical scheme, the supporting plate comprises a middle plate and two side plates which are oppositely hinged to the left side and the right side of the middle plate, the rotating axes of the side plates extend forwards and backwards, and the two supporting columns are respectively hinged to the lower sides of the two side plates; sliding sleeves are slidably mounted on the supporting columns up and down, supporting rods are arranged between the sliding sleeves and the corresponding side plates, one ends of the supporting rods are hinged to the sliding sleeves, and the other ends of the supporting rods are hinged to one ends of the side plates close to the middle plate; and a limiting mechanism is arranged between the sliding sleeve and the supporting column.
As a preferred technical scheme, the limiting mechanism comprises an installation cavity located in the sliding sleeve, the installation cavity is provided with a through hole extending towards the supporting column and communicated with an inner cavity of the sliding sleeve, a limiting pin is movably installed in the through hole, one end of the limiting pin is fixedly provided with a baffle located in the installation cavity, and a spring is arranged between one side of the baffle, far away from the supporting column, and the installation cavity; a plurality of limiting holes matched with the limiting pins are vertically and uniformly formed in the supporting columns; one side that the baffle kept away from the support column fixed mounting has the pull rod, be equipped with on the sliding sleeve and supply the aperture that the pull rod wore out.
By adopting the technical scheme, the underground coal mine protection device comprises a support plate, wherein two support seats are oppositely and fixedly arranged on the left side and the right side of the lower end of an installation seat, a sliding block is slidably arranged in a sliding cavity, a vertically extending threaded pipe is rotatably arranged in the through hole through a bearing, a vertically extending support column is fixedly arranged on the upper side of the sliding block, external threads matched with the threaded pipe are arranged on the support column, a moving wheel is fixedly arranged on the lower side of the sliding block, and an auxiliary hole which extends downwards and penetrates through the installation seat is arranged at the lower end of the sliding cavity; the utility model drives the support column to move downwards by rotating the rotary handle clockwise, and drives the moving wheel to extend out of the auxiliary hole to the outer side of the mounting seat to contact with the ground when the support column moves downwards, thereby facilitating the whole device to move in the tunnel; the utility model drives the support column to move upwards by rotating the knob anticlockwise, the support plate rises when the support column moves upwards until the support plate contacts with the top of the roadway, and the height of the support plate can be conveniently adjusted according to the height of the roadway; the utility model discloses the backup pad is flat during initial state, and through the rebound sliding sleeve, the sliding sleeve promotes the one end that the curb plate is close to the intermediate lamella through the vaulting pole and upwards rotates, and two curb plates drive the intermediate lamella and rise to be middle high with the backup pad adjustment, the shape that both sides are low is convenient for adjust the shape of backup pad according to tunnel top shape.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a left side schematic view of a mounting base of an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion I of FIG. 1;
fig. 4 is a schematic structural view when the sliding sleeve is moved upwards.
In the figure: 1-a support plate; 101-a middle plate; 102-a side plate; 2-mounting a base; 3-a sliding cavity; 4-a slider; 5-a through hole; 6-a threaded pipe; 7-a support column; 8-a moving wheel; 9-auxiliary holes; 10-a support seat; 11-a first bevel gear; 12-a rotating shaft; 13-a second bevel gear; 14-rotating handle; 15-a sliding sleeve; 16-a strut; 17-a mounting cavity; 18-a via hole; 19-a limit pin; 20-a baffle plate; 21-a spring; 22-a limiting hole; 23-a pull rod; 24-small hole.
Detailed Description
As shown in fig. 1 to 4, the coal mine underground support device comprises a support plate 1, wherein two support mechanisms are oppositely arranged on the left side and the right side of the lower side of the support plate 1; the supporting mechanism comprises an installation seat 2, and two supporting seats 10 are oppositely and fixedly installed on the left side and the right side of the lower end of the installation seat 2; a vertically extending sliding cavity 3 is arranged in the mounting seat 2, a sliding block 4 is slidably mounted in the sliding cavity 3, a through hole 5 extending upwards and penetrating through the mounting seat 2 is formed in the upper end of the sliding cavity 3, a vertically extending threaded pipe 6 is rotatably mounted in the through hole 5 through a bearing, a vertically extending supporting column 7 is fixedly mounted on the upper side of the sliding block 4, external threads matched with the threaded pipe 6 are formed in the supporting column 7, and the upper end of the supporting column 7 extends to the outer side of the mounting seat 2 and is hinged to the lower side of the supporting plate 1; a moving wheel 8 is fixedly mounted on the lower side of the sliding block 4, an auxiliary hole 9 which extends downwards and penetrates through the mounting seat 2 is formed in the lower end of the sliding cavity 3, and when the sliding block 4 abuts against the lower end of the sliding cavity 3, the moving wheel 8 extends out of the auxiliary hole 9 to the outer side of the mounting seat 2; and the mounting seat 2 is also provided with a linkage mechanism for driving the threaded pipe 6 to rotate.
A plurality of barbed nails are arranged on the lower side of the supporting seat 10.
The linkage mechanism comprises a first bevel gear 11 coaxially and fixedly installed on the threaded pipe 6, a rotating shaft 12 extending front and back is rotatably installed on the installation seat 2, a second bevel gear 13 meshed with the first bevel gear 11 is coaxially and fixedly installed at one end of the rotating shaft 12 located in the sliding cavity 3, and a rotating handle 14 is fixedly installed at one end of the rotating shaft 12 located on the outer side of the installation seat 2.
During installation, the rotating handle 14 is rotated clockwise, the rotating handle 14 drives the rotating shaft 12 and the second bevel gear 13 to rotate clockwise, the second bevel gear 13 drives the first bevel gear 11 and the threaded pipe 6 to rotate forward when rotating clockwise, the threaded pipe 6 drives the supporting column 7 to move downwards when rotating forward, the supporting column 7 drives the supporting plate 1 to lower when moving downwards, meanwhile, the supporting column 7 drives the sliding block 4 and the moving wheel 8 to move downwards until the sliding block 4 moves downwards to abut against the lower end of the sliding cavity 3, and at the moment, the moving wheel 8 extends out of the auxiliary hole 9 to the outer side of the mounting seat 2 to be in contact with the ground, so that the whole device can move in a roadway conveniently; after the whole device is moved to a position to be installed, the rotating handle 14 is rotated anticlockwise, the rotating handle 14 drives the rotating shaft 12 and the second bevel gear 13 to rotate anticlockwise, the second bevel gear 13 drives the first bevel gear 11 and the threaded pipe 6 to rotate reversely when rotating anticlockwise, the threaded pipe 6 drives the supporting column 7 to move upwards when rotating reversely, the supporting column 7 drives the sliding block 4 and the moving wheel 8 to move upwards when moving upwards so that the moving wheel 8 is retracted into the sliding cavity 3 from the auxiliary hole 9, at the moment, the supporting seat 10 is in contact with the ground, so that the stability of the whole device is good, the ground gripping force of the supporting seat 10 can be increased by the barbed nails on the lower side of the supporting seat 10, and the stability of the whole device is; the support column 7 drives the support plate 1 to rise while moving upwards, and the rotating handle 14 continues to rotate anticlockwise until the support plate 1 rises to contact with the top of the roadway, so that the height of the support plate 1 can be conveniently adjusted according to the height of the roadway.
The supporting plate 1 comprises a middle plate 101 and two side plates 102 oppositely hinged to the left side and the right side of the middle plate 101, the rotating axes of the side plates 102 extend forwards and backwards, and the two supporting columns 7 are respectively hinged to the lower sides of the two side plates 102; a sliding sleeve 15 is slidably mounted up and down on the supporting column 7, a supporting rod 16 is arranged between the sliding sleeve 15 and the corresponding side plate 102, one end of the supporting rod 16 is hinged on the sliding sleeve 15, and the other end of the supporting rod 16 is hinged on one end of the side plate 102 close to the middle plate 101; and a limiting mechanism is arranged between the sliding sleeve 15 and the supporting column 7.
Specifically, the limiting mechanism comprises an installation cavity 17 located in the sliding sleeve 15, the installation cavity 17 is provided with a via hole 18 extending towards the supporting column 7 and communicating with an inner cavity of the sliding sleeve 15, a limiting pin 19 is movably installed in the via hole 18, one end of the limiting pin 19 is fixedly provided with a baffle 20 located in the installation cavity 17, and a spring 21 is arranged between one side of the baffle 20 far away from the supporting column 7 and the installation cavity 17; a plurality of limiting holes 22 matched with the limiting pins 19 are vertically and uniformly arranged on the supporting column 7; a pull rod 23 is fixedly installed on one side, far away from the supporting column 7, of the baffle plate 20, and a small hole 24 for the pull rod 23 to penetrate out is formed in the sliding sleeve 15.
In an initial state, the limiting pin 19 is positioned in the limiting hole 22 at the lowest part, and the middle plate 101 and the two side plates 102 are positioned in the same horizontal plane, namely the supporting plate 1 is flat; drive baffle 20 through pulling pull rod 23 and keep away from support column 7 and make the compression of spring 21, baffle 20 drives spacer pin 19 simultaneously and breaks away from spacing hole 22, then upwards move sliding sleeve 15, sliding sleeve 15 promotes the one end upwards that curb plate 102 is close to intermediate lamella 101 through vaulting pole 16 and rotates, two curb plates 102 drive the intermediate lamella and rise, thereby adjust backup pad 1 to middle height, the low shape in both sides, as shown in fig. 4, loosen pull rod 23 after finishing adjusting, the spring 21 of compression state promotes baffle 20 and is close to support column 7, baffle 20 drives spacer pin 19 and inserts and makes sliding sleeve 15 can not continue to reciprocate rather than the spacing hole 22 that aligns, thereby make backup pad 1 shape remain stable, thereby be convenient for adjust the shape of backup pad 1 according to tunnel top shape.
The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A coal mine underground support device is characterized in that: the device comprises a supporting plate, wherein two supporting mechanisms are oppositely arranged on the left side and the right side of the lower side of the supporting plate; the supporting mechanism comprises an installation seat, and two supporting seats are oppositely and fixedly installed on the left side and the right side of the lower end of the installation seat; a vertically extending sliding cavity is arranged in the mounting seat, a sliding block is slidably mounted in the sliding cavity, a through hole which extends upwards and penetrates through the mounting seat is formed in the upper end of the sliding cavity, a vertically extending threaded pipe is rotatably mounted in the through hole through a bearing, a vertically extending support column is fixedly mounted on the upper side of the sliding block, external threads matched with the threaded pipe are formed in the support column, and the upper end of the support column extends to the outer side of the mounting seat and is hinged to the lower side of the support plate; the lower side of the sliding block is fixedly provided with a moving wheel, the lower end of the sliding cavity is provided with an auxiliary hole which extends downwards and penetrates through the mounting seat, and when the sliding block abuts against the lower end of the sliding cavity, the moving wheel extends out of the auxiliary hole to the outer side of the mounting seat; and the mounting seat is also provided with a linkage mechanism for driving the threaded pipe to rotate.
2. The underground coal mine support device of claim 1, wherein: the lower side of the supporting seat is provided with a plurality of barbed nails.
3. The underground coal mine support device of claim 1, wherein: the linkage mechanism comprises a first bevel gear which is coaxially and fixedly installed on the threaded pipe, a rotating shaft which extends from front to back is installed on the installation seat in a rotating mode, a second bevel gear which is meshed with the first bevel gear is installed at one end, located in the sliding cavity, of the rotating shaft in a coaxial and fixed mode, and a rotating handle is installed at one end, located outside the installation seat, of the rotating shaft in a fixed mode.
4. The underground coal mine support device of claim 1, wherein: the supporting plate comprises a middle plate and two side plates which are oppositely hinged to the left side and the right side of the middle plate, the rotating axes of the side plates extend forwards and backwards, and the two supporting columns are respectively hinged to the lower sides of the two side plates; sliding sleeves are slidably mounted on the supporting columns up and down, supporting rods are arranged between the sliding sleeves and the corresponding side plates, one ends of the supporting rods are hinged to the sliding sleeves, and the other ends of the supporting rods are hinged to one ends of the side plates close to the middle plate; and a limiting mechanism is arranged between the sliding sleeve and the supporting column.
5. The underground coal mine support device of claim 4, wherein: the limiting mechanism comprises an installation cavity positioned in the sliding sleeve, the installation cavity is provided with a through hole which extends towards the supporting column and is communicated with an inner cavity of the sliding sleeve, a limiting pin is movably arranged in the through hole, one end of the limiting pin is fixedly provided with a baffle positioned in the installation cavity, and a spring is arranged between one side of the baffle, which is far away from the supporting column, and the installation cavity; a plurality of limiting holes matched with the limiting pins are vertically and uniformly formed in the supporting columns; one side that the baffle kept away from the support column fixed mounting has the pull rod, be equipped with on the sliding sleeve and supply the aperture that the pull rod wore out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921940511.6U CN210977549U (en) | 2019-11-12 | 2019-11-12 | Underground coal mine support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921940511.6U CN210977549U (en) | 2019-11-12 | 2019-11-12 | Underground coal mine support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210977549U true CN210977549U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921940511.6U Expired - Fee Related CN210977549U (en) | 2019-11-12 | 2019-11-12 | Underground coal mine support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210977549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706382A (en) * | 2020-07-21 | 2020-09-25 | 燕桃安 | Working face air adjusting device and method for underground coal mine tunneling |
-
2019
- 2019-11-12 CN CN201921940511.6U patent/CN210977549U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706382A (en) * | 2020-07-21 | 2020-09-25 | 燕桃安 | Working face air adjusting device and method for underground coal mine tunneling |
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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 |
Granted publication date: 20200710 Termination date: 20201112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |