CN216477396U - Stope face tunnel surrounding rock reinforcing and supporting device - Google Patents
Stope face tunnel surrounding rock reinforcing and supporting device Download PDFInfo
- Publication number
- CN216477396U CN216477396U CN202122553119.XU CN202122553119U CN216477396U CN 216477396 U CN216477396 U CN 216477396U CN 202122553119 U CN202122553119 U CN 202122553119U CN 216477396 U CN216477396 U CN 216477396U
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- Prior art keywords
- supporting
- rod
- supporting rod
- stope face
- surrounding rock
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- 239000011435 rock Substances 0.000 title claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 230000000670 limiting effect Effects 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000005065 mining Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a surrounding rock reinforcing and supporting device for a stope face roadway, which comprises a base arranged in the stope face roadway, wherein a steel pipe is fixedly arranged at the upper end of the base; the second supporting rod is sleeved on the outer side of the upper end of the steel pipe, a supporting and protecting plate is fixedly mounted at the top of the second supporting rod, and the supporting and protecting plate is attached to the inner wall of the top of the roadway of the stope face; also comprises: the bearing of the vertical rod is arranged at the upper end of the base, the vertical rod is sleeved outside the lower end of the steel pipe, and the upper end of the vertical rod is sleeved inside the lower end of the second supporting rod; the movable ring is sleeved on the outer side of the lower end of the vertical rod, and the side part of the movable ring is rotatably connected with a first supporting rod; and the bearing plate is clamped and slidably arranged in the supporting and protecting plate. This back mining working face tunnel country rock consolidates supporting device can enlarge the support range through first bracing piece and bearing board, improves the stability of device to the needs that are adapted to not co-altitude tunnel.
Description
Technical Field
The utility model relates to the technical field of roadway support, in particular to a roadway surrounding rock reinforcing and supporting device for a stope face.
Background
Coal is still in the leading position in the energy structure of our country, in order to effectively control the deformation of the surrounding rock of the roadway, the research on the reinforcing and supporting device of the surrounding rock of the roadway needs to be increased so as to maintain the normal and safe operation of coal mining.
However, the existing surrounding rock reinforcing and supporting device for the stope face roadway still has the following problems:
in a roadway support device of a stope face with the publication number of CN209483386U, H-shaped steel is added into a concrete-filled steel tube stand column, so that the compression-resistant and bending-resistant support strength of the stand column is improved, and more stable rigid support is generated; the construction process is simple, and convenient preparation, however this supporting device when carrying out the installation operation in the tunnel, when the tunnel of co-altitude, then need the staff to measure the tunnel height in advance and select and confirm the length of steel pipe again, it is comparatively inconvenient to use, and when the installation simultaneously, only through burying the steel pipe in the ground, the support area is narrower, and stability is not high.
Therefore, a surrounding rock reinforcing and supporting device for a roadway of a stope is provided so as to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a surrounding rock reinforcing and supporting device for a stope face roadway, which aims to solve the problems that the existing surrounding rock reinforcing and supporting device for the stope face roadway in the current market proposed by the background technology is inconvenient to adjust according to the height of the roadway, inconvenient to use, narrow in supporting area and low in stability.
In order to achieve the purpose, the utility model provides the following technical scheme:
a surrounding rock reinforcing and supporting device for a stope face roadway comprises a base arranged in the stope face roadway, wherein a steel pipe is fixedly arranged at the upper end of the base;
the second supporting rod is sleeved on the outer side of the upper end of the steel pipe, a supporting and protecting plate is fixedly mounted at the top of the second supporting rod, and the supporting and protecting plate is attached to the inner wall of the top of the roadway of the stope face;
also includes:
the bearing of the vertical rod is arranged at the upper end of the base, the vertical rod is sleeved outside the lower end of the steel pipe, and the upper end of the vertical rod is sleeved inside the lower end of the second supporting rod;
the movable ring is sleeved on the outer side of the lower end of the vertical rod, the side part of the movable ring is rotatably connected with a first supporting rod, and the end part of the first supporting rod is in contact with the ground through a wheel so as to reduce the abrasion of the first supporting rod;
and the bearing plate is clamped and slidably arranged in the supporting and protecting plate.
Preferably, the both ends outside of montant is opposite helicitic texture setting, and the upper and lower both ends of montant constitute threaded connection with second bracing piece and loose ring respectively for after the montant realizes rotating on the base, the second bracing piece and the loose ring of cover in the montant outside can carry out the removal of relative direction each other.
Preferably, the first supporting rod is arranged symmetrically with respect to the center of the base, a guide groove is formed in the lower end of the first supporting rod, and a guide block is arranged in the guide groove, so that after the movable ring moves outside the vertical rod, the first supporting rod is connected with the movable ring through one end, and the other end of the first supporting rod is in contact with the ground through a wheel, so that the rotating force can be obtained.
Preferably, the loose axle is connected with the connecting rod between the lateral part of guide block and base, and is block sliding connection between guide block and the first bracing piece for after first bracing piece receives the pivoted power, owing to be connected with the connecting rod between base and the first bracing piece, and then can restrict first bracing piece pivoted direction, make when the loose ring moves down, the base will be kept away from to the one end of first bracing piece, in order to enlarge bearing area, and then improve stability.
Preferably, the stopper that the rectangle set up is installed to the upper end of steel pipe, and the outer wall of stopper with the upper end inner wall of second bracing piece laminates each other for the second bracing piece that the screw thread cover was established in the montant outside rotates the in-process at the montant, can obtain the power of removal, and can carry on spacingly to the second bracing piece through installing the stopper on the steel pipe, and then can guarantee that the second bracing piece goes up and down to move on the montant, and then in order to adapt to the not tunnel of co-altitude.
Preferably, compression spring is welded between the bearing plate and the supporting plate, the fixed pulley is installed on an inner bearing of the supporting plate, a traction line is connected between the bearing plate and the fixed pulley and between the bearing plate and the limiting block, the traction line penetrates through the inside of the through groove, the through groove is formed in the upper end of the side portion of the second supporting rod, after the second supporting rod moves upwards through the vertical rod, relative displacement between the second supporting rod and the steel pipe occurs, the traction line can be used for driving the bearing plate to stretch out from the inside of the supporting plate, supporting area is enlarged, and supporting capacity is improved.
Compared with the prior art, the utility model has the beneficial effects that:
the surrounding rock reinforcing and supporting device for the stope face roadway;
1. the first supporting rod and the connecting rod are arranged, so that after the vertical rod rotates outside the steel pipe, the movable ring sleeved outside the vertical rod can move downwards under the limiting action of the supporting rod and the connecting rod, the supporting rod rotates along with the movable ring, and one end of the supporting rod is enabled to be attached to the ground by the matching of the connecting rod and the guide block, so that the contact surface of the supporting device and the bottom is enlarged, and the stability is improved;
2. the limiting block and the second supporting rod are arranged, so that after the vertical rods rotate, the second supporting rod which can be sleeved on the outer side of the upper ends of the vertical rods can drive the supporting and protecting plate to rise by utilizing the threaded connection between the vertical rods and the attaching effect of the second supporting rod and the limiting block until the supporting and protecting plate is contacted with the top of the roadway so as to meet the requirements of the roadway with different heights;
3. be provided with a backup plate and pull wire for after taking place relative displacement between second bracing piece and the steel pipe, can utilize the pull wire to drive the bearing board and stretch out from the backup plate is inside, and then can improve bearing area, on the other hand can contract this strutting arrangement, reduces area, so that the transportation.
Drawings
FIG. 1 is a schematic view of an overall front cross-sectional structure of the present invention;
FIG. 2 is a schematic front view of a vertical rod according to the present invention;
FIG. 3 is a schematic front sectional view of a guide block according to the present invention;
FIG. 4 is a schematic view of a front cross-sectional structure of the limiting block of the present invention;
FIG. 5 is a schematic view of a front cross-sectional structure of the support plate of the present invention.
In the figure: 1. a base; 2. a steel pipe; 3. a vertical rod; 4. a movable ring; 5. a first support bar; 6. a guide groove; 7. a guide block; 8. a connecting rod; 9. a second support bar; 10. supporting the guard plate; 11. a support plate; 12. a pressure spring; 13. a fixed pulley; 14. a limiting block; 15. a through groove; 16. and (6) pulling the wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-5, the present invention provides a technical solution: a surrounding rock reinforcing and supporting device for a stope face roadway comprises a base 1 arranged in the stope face roadway, wherein a steel pipe 2 is fixedly arranged at the upper end of the base 1;
the second supporting rod 9 is sleeved on the outer side of the upper end of the steel pipe 2, a supporting and protecting plate 10 is fixedly installed at the top of the second supporting rod 9, and the supporting and protecting plate 10 is attached to the inner wall of the top of the roadway of the stope face;
also includes:
the bearing of the vertical rod 3 is arranged at the upper end of the base 1, the vertical rod 3 is sleeved outside the lower end of the steel pipe 2, and the upper end of the vertical rod 3 is sleeved inside the lower end of the second support rod 9;
the movable ring 4 is sleeved on the outer side of the lower end of the vertical rod 3, the side part of the movable ring 4 is rotatably connected with a first supporting rod 5, and the end part of the first supporting rod 5 is in contact with the ground through a wheel so as to reduce the abrasion of the first supporting rod 5;
a support plate 11 which is engaged with and slidably provided inside the support plate 10;
the outer sides of the two ends of the vertical rod 3 are arranged in an opposite thread structure, and the upper end and the lower end of the vertical rod 3 are respectively in threaded connection with the second supporting rod 9 and the movable ring 4;
with reference to fig. 1-2, after the vertical rod 3 rotates on the base 1, the second support rod 9 and the movable ring 4 sleeved on the outer sides of the upper and lower ends of the vertical rod 3 will obtain forces moving in opposite directions, so as to expand the support range of the first support rod 5 and improve the stability when adjusting according to the roadway height.
The first supporting rod 5 is symmetrically arranged relative to the center of the base 1, a guide groove 6 is formed in the lower end of the first supporting rod 5, and a guide block 7 is arranged in the guide groove 6; a connecting rod 8 is connected between the guide block 7 and the side part of the base 1 through a movable shaft, and the guide block 7 is in clamping sliding connection with the first support rod 5;
combine 1-3 to show for after montant 3 rotates, the movable ring 4 that the cover was established in the montant 3 lower extreme outside utilizes under the limiting displacement of first bracing piece 5 and connecting rod 8, can reciprocate, when movable ring 4 moved down, will make guide block 7 slide in guide way 6, thereby first bracing piece 5 and connecting rod 8 will rotate, make the bottom of first bracing piece 5 and ground contact each other all the time, thereby can enlarge the support area, improve installation stability.
A rectangular limiting block 14 is arranged at the upper end of the steel pipe 2, and the outer wall of the limiting block 14 is attached to the inner wall of the upper end of the second support rod 9; a pressure spring 12 is welded between the bearing plate 11 and the supporting plate 10, a fixed pulley 13 is mounted on an inner bearing of the supporting plate 10, a traction wire 16 is connected between the bearing plate 11, the fixed pulley 13 and a limiting block 14, the traction wire 16 penetrates through the inside of the through groove 15, and the through groove 15 is formed in the upper end of the side part of the second supporting rod 9;
as shown in fig. 1 and fig. 4-5, when the vertical rod 3 drives the movable ring 4 to move downward, the vertical rod 3 can drive the second support rod 9 to move upward outside the steel pipe 2, so that the support plate 10 can be closely attached to the inner wall of the upper end of the roadway to meet the requirements of roadways with different heights, and after the support plate 10 and the steel pipe 2 are displaced relatively, the support plate 11 can be driven by the traction wire 16 to stretch out from the inside of the support plate 10, so that the support range can be expanded, the stability is further improved, on the other hand, the support device can be contracted, the occupied area is reduced, and the transportation is facilitated.
The working principle is as follows: when using this back production working face roadway surrounding rock reinforcing and supporting device, as shown in fig. 1-5, with base 1 fixed mounting at the tunnel inner wall, rotate montant 3 afterwards, the movable ring 4 that the cover was established outside montant 3 lower extreme can utilize connecting rod 8 to drive first bracing piece 5 and rotate, make the one end of first bracing piece 5 keep away from base 1, thereby can enlarge the support area, improve the installation stability, simultaneously when montant 3 drives movable ring 4 and carries out the downward movement, can drive the backplate 10 and closely laminate in tunnel upper end inner wall, in order to adapt to the needs of not co-altitude tunnel, and utilize the relative displacement between backplate 10 and steel pipe 2, enlarge the support area through bearing plate 11, further improve the steadiness, carry out fixed connection with bearing plate 11 and tunnel upper end inner wall afterwards.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. A surrounding rock reinforcing and supporting device for a stope face roadway comprises a base (1) arranged in the stope face roadway, wherein a steel pipe (2) is fixedly arranged at the upper end of the base (1);
the second supporting rod (9) is sleeved on the outer side of the upper end of the steel pipe (2), a supporting and protecting plate (10) is fixedly installed at the top of the second supporting rod (9), and the supporting and protecting plate (10) is attached to the inner wall of the top of the roadway of the stope face;
it is characterized by also comprising:
the bearing of the vertical rod (3) is arranged at the upper end of the base (1), the vertical rod (3) is sleeved outside the lower end of the steel pipe (2), and the upper end of the vertical rod (3) is sleeved inside the lower end of the second supporting rod (9);
the movable ring (4) is sleeved on the outer side of the lower end of the vertical rod (3), the side part of the movable ring (4) is rotatably connected with a first supporting rod (5), and the end part of the first supporting rod (5) is in contact with the ground through wheels so as to reduce the abrasion of the first supporting rod (5);
and a bearing plate (11) which is arranged inside the supporting plate (10) in a clamping and sliding manner.
2. The surrounding rock reinforcing and supporting device for the stope face roadway according to claim 1, which is characterized in that: the outer sides of the two ends of the vertical rod (3) are arranged in an opposite threaded structure, and the upper end and the lower end of the vertical rod (3) are respectively in threaded connection with the second supporting rod (9) and the movable ring (4).
3. The surrounding rock reinforcing and supporting device for the stope face roadway according to claim 1, which is characterized in that: the first supporting rod (5) is symmetrically arranged relative to the center of the base (1), a guide groove (6) is formed in the lower end of the first supporting rod (5), and a guide block (7) is arranged in the guide groove (6).
4. The surrounding rock reinforcing and supporting device for the stope face roadway according to claim 3, wherein: the movable shaft is connected with a connecting rod (8) between the guide block (7) and the side part of the base (1), and the guide block (7) is connected with the first supporting rod (5) in a clamping and sliding manner.
5. The surrounding rock reinforcing and supporting device for the stope face roadway according to claim 1, which is characterized in that: the limiting block (14) with the rectangular setting is installed at the upper end of the steel pipe (2), and the outer wall of the limiting block (14) is attached to the inner wall of the upper end of the second supporting rod (9).
6. The surrounding rock reinforcing and supporting device for the stope face roadway according to claim 1, which is characterized in that: the welding has compression spring (12) between bearing board (11) and supporting plate (10), and the inside bearing of supporting plate (10) installs fixed pulley (13) to be connected with pull wire (16) between bearing board (11) and fixed pulley (13) and stopper (14), pull wire (16) run through the inside that leads to groove (15) moreover, lead to groove (15) simultaneously and set up in the lateral part upper end of second bracing piece (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122553119.XU CN216477396U (en) | 2021-10-22 | 2021-10-22 | Stope face tunnel surrounding rock reinforcing and supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122553119.XU CN216477396U (en) | 2021-10-22 | 2021-10-22 | Stope face tunnel surrounding rock reinforcing and supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216477396U true CN216477396U (en) | 2022-05-10 |
Family
ID=81442360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122553119.XU Expired - Fee Related CN216477396U (en) | 2021-10-22 | 2021-10-22 | Stope face tunnel surrounding rock reinforcing and supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216477396U (en) |
-
2021
- 2021-10-22 CN CN202122553119.XU patent/CN216477396U/en not_active Expired - Fee Related
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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: 20220510 |