CN210660145U - Coal mine tunnel supporting device - Google Patents
Coal mine tunnel supporting device Download PDFInfo
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- CN210660145U CN210660145U CN201921627279.0U CN201921627279U CN210660145U CN 210660145 U CN210660145 U CN 210660145U CN 201921627279 U CN201921627279 U CN 201921627279U CN 210660145 U CN210660145 U CN 210660145U
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Abstract
The utility model discloses a coal mine roadway supporting device, which comprises a bottom plate, side plates and a top plate, wherein the bottom plate is fixedly connected with the side plates, the top plate is arranged at the upper ends of the left side plate and the right side plate, the top plate is uniformly provided with an adjustable supporting device, and the adjustable supporting device comprises an adjusting rod, an adjusting plate, a spring and a supporting plate; first threaded holes are uniformly formed in the top plate; the adjusting rod penetrates through the first threaded hole to rotatably connect the fixture block part to the necking groove below the adjusting plate, and the threaded part of the adjusting rod is matched with the first threaded hole; the supporting plate is fixed on the upper part of the adjusting plate through a spring; the uneven surface of the top of the roadway provides comprehensive support and provides supporting force for the suspended part.
Description
Technical Field
The utility model relates to a technical field is strutted in the colliery, concretely relates to coal mine tunnel supporting device.
Background
The coal mine in China is mainly underground mining, a large number of roadways need to be excavated underground, roadway support is adopted to keep the roadways smooth and surrounding rocks stable, and the coal mine supporting device has important significance for coal mine construction and production.
The top of the roadway is not a flat surface but is rugged, so that the existing supporting device cannot adaptively support the top, a certain area is suspended, the supporting protection of the supporting device is not available, and the risk exists.
For example, patent application No. 201822076966.X, includes a base plate, the number of the bottom plates is two, the bottom plates are respectively fixed with a hydraulic lifting rod, the top parts of the hydraulic lifting rods are respectively fixed with a connecting block, one side of each connecting block is respectively hinged with a supporting plate, the two supporting plates are arranged on opposite sides, the two supporting plates are hinged, the bottom surfaces of the supporting plates are respectively provided with a clamping groove, the side surfaces of the hydraulic lifting rods are hinged with supporting rods, one end of the support rod far away from the hinged part is propped in the clamping groove, the upper surface of the support plate is provided with a plurality of springs, the top end of the spring is provided with an auxiliary supporting plate, as shown in figure 1, although the device provides more comprehensive support for the top of the roadway, but utilize the spring to promote the backup pad and carry out the self-adaptation supporting, if the unsettled part is great, the backup pad has just supported the tunnel top, and the spring is in lax state, does not provide substantive holding power for the unsettled part.
Disclosure of Invention
An object of the utility model is to provide a colliery tunnel supporting device, this device can provide comparatively comprehensive supporting for the unevenness surface at tunnel top, provides the holding power to unsettled part.
The utility model adopts the technical scheme as follows: a coal mine roadway supporting device comprises a bottom plate, side plates and a top plate, wherein the bottom plate and the side plates are fixedly connected, the top plate is arranged at the upper ends of the left side plate and the right side plate, adjustable supporting devices are uniformly arranged on the top plate, and each adjustable supporting device comprises an adjusting rod, an adjusting plate, a spring and a supporting plate; the adjusting rod comprises a knob part at the lower end, a thread part in the middle and a fixture block part at the upper end; first threaded holes are uniformly formed in the top plate; the adjusting rod penetrates through the first threaded hole to rotatably connect the fixture block part to the necking groove below the adjusting plate, and the threaded part of the adjusting rod is matched with the first threaded hole; the supporting plate is fixed on the upper part of the adjusting plate through a spring; the left side plate and the right side plate are respectively provided with an anchor rod hole.
Specifically, the bottom plate is L-shaped, first through holes are uniformly formed in the side wall of the bottom plate, second threaded holes corresponding to the first through holes are uniformly formed in the lower end of the side plate, and the bolts penetrate through the first through holes to be matched with the second threaded holes to fix the bottom plate to the inner side of the side plate.
Further, a second through hole is formed in the lower wall of the bottom plate.
Further, bottom plate lower wall is equipped with the third screw hole, the inside screw thread of third screw hole is linked there is the fixed pin, the fixed pin lower extreme is sharp-pointed part, and the upper end is helicitic texture.
Preferably, the lower end of the fixing pin is provided with a spiral plate on a sharp part.
Preferably, the support plate is made of flexible material.
Preferably, the side plates and the top plate are welded with reinforcing ribs.
The top plate is of a left-right split structure, the left end top plate is welded with the left side plate, and the right end top plate is welded with the right side plate; the left end top plate is provided with a slot, the right end top plate is provided with a plug, and the plug can be inserted into the slot; and a third through hole is formed in the position, opposite to the slot, of the plug.
The beneficial effects of the utility model reside in that:
1. the supporting device can provide comprehensive support for the uneven surface of the top of the roadway through the springs and the supporting plates, and provides supporting force for the suspended part;
2. the bottom plate is matched with the side plate through bolts, the overall height of the device can be improved by moving up and down, and the device is suitable for roadway sections with different heights;
3. the top plate is of a left-right split structure, and is convenient to disassemble and assemble.
Drawings
Fig. 1 is a schematic view of the supporting principle of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic structural view of an adjustable supporting device.
Fig. 4 is an exploded view of the adjustable support device.
FIG. 5 is a schematic view of the bottom plate and the side plate.
Fig. 6 is a schematic view of a fixing pin structure.
Fig. 7 is a schematic view of a spiral plate structure.
Fig. 8 is a schematic view of the location of the reinforcing bars.
Fig. 9 is a schematic view of the arrangement effect of the present invention.
In the figure: the adjustable support device comprises a bottom plate 1, a side plate 2, a top plate 3, an adjustable support device 4, an adjusting rod 5, an adjusting plate 6, a spring 7, a supporting plate 8, a first threaded hole 9, a necking groove 10, an anchor rod hole 11, a first through hole 12, a second threaded hole 13, a second through hole 14, a third threaded hole 15, a fixing pin 16, a spiral plate 17, a reinforcing rib 18, a slot 19, a plug 20 and a third through hole 21.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
A coal mine roadway supporting device is shown in figures 2-4 and comprises a bottom plate 1, side plates 2 and a top plate 3, wherein the bottom plate 1 and the side plates 2 are fixedly connected, and the bottom plate 1 and the side plates 2 can be fixed in a welding mode or detachably fixed through bolts; the side plates 2 can be fixed in height and can also be provided with a hydraulic telescopic rod or a sleeve pipe and the like with adjustable height; the top plate 3 is arranged at the upper ends of the left side plate and the right side plate 2, the adjustable supporting devices 4 are uniformly arranged on the top plate 3, and each adjustable supporting device 4 comprises an adjusting rod 5, an adjusting plate 6, a spring 7 and a supporting plate 8; the adjusting rod 5 comprises a knob part at the lower end, a thread part in the middle and a fixture block part at the upper end; first threaded holes 9 are uniformly formed in the top plate 3; the adjusting rod 5 penetrates through the first threaded hole 9 to rotatably connect the fixture block part to the necking groove 10 below the adjusting plate 6, and the threaded part of the adjusting rod 5 is matched with the first threaded hole 9; the support plate 8 is fixed on the upper part of the adjusting plate 6 through a spring 7, and the spring 7 can be connected with the support plate 8 and the adjusting plate 6 in a welding mode or a spring connecting plate; the specific shapes and structures of the support plate 8 and the top plate 3 are not limited, so as to be suitable for the specific cross section shape of the built roadway, if the roadway is a rectangular cross section, the support plate 8 and the top plate 3 are both linear, and if the top of the roadway is an arc-shaped cross section, the support plate 8 and the top plate 3 are both arc-shaped; the left side plate 2 and the right side plate 2 are respectively provided with an anchor rod hole 11; the device is arranged in a roadway, an anchor rod is inserted into an anchor rod hole 11 to fix the device, the supporting plate 8 can support concave points on the top of the roadway and can comprehensively support the top of the roadway with unevenness; when finding that the suspended part of some areas is large, the knob part of the adjusting rod 5 is rotated, the thread part of the adjusting rod 5 can rotate relative to the first threaded hole 9, the adjusting rod 5 pushes the spring 7 and the supporting plate 8 to move upwards, supporting force is applied to the wall of the suspended part, and the stability of the rock wall at the top of the roadway is guaranteed.
Considering that the height of the roadway sections under different construction conditions is different, as shown in fig. 5, the bottom plate 1 is L-shaped, first through holes 12 are uniformly formed in the side wall of the bottom plate 1, second threaded holes 13 corresponding to the first through holes 12 are uniformly formed in the lower end of the side plate 2, and bolts penetrate through the first through holes 12 to be matched with the second threaded holes 13 to fix the bottom plate 1 on the inner side of the side plate 2; the whole height of the device can be adjusted, and the device is suitable for roadways under different construction conditions.
In order to enhance the stability of the device, the lower wall of the bottom plate 1 is provided with a second through hole 14; an anchor rod can be inserted into the second through hole 14 to enhance the stability of the device.
Further, as shown in fig. 6, a third threaded hole 15 is formed in the lower wall of the bottom plate 2, a fixing pin 16 is connected to the inside of the third threaded hole 15 in a threaded manner, the lower end of the fixing pin 16 is a sharp part, and the upper end of the fixing pin is a threaded structure.
To further increase the stability of the device, the fixing pin 16 is provided with a helical plate 17 at its lower end in the form of a sharp part, as shown in fig. 7.
Preferably, backup pad 8 optional flexible material, flexible material can be the rubber material, and comparatively comprehensive support is realized to tunnel top to the surface of laminating tunnel top unevenness that can be more nimble.
In order to increase the rated strength of the device, as shown in fig. 8-9, reinforcing ribs 18 are welded on the side plates 2 and the top plate 3, so that the strength of the device is enhanced, and the occurrence of fracture accidents is reduced.
Considering that the device is inconvenient to transport and install, the top plate 3 is of a left-right split structure, the left end top plate 3 is welded with the left side plate 2, and the right end top plate 3 is welded with the right side plate 2; a slot 19 is arranged on the top plate 3 at the left end, a plug 20 is arranged on the top plate 3 at the right end, and the plug 20 can be inserted into the slot 19; a third through hole 21 is formed at the position, opposite to the slot 19, of the plug 20; after the plug 20 is matched with the slot 19, the anchor rod can be inserted into the third through hole 21, and the stability of the device is further enhanced.
The using method comprises the following steps: the device is arranged in a roadway, anchor rods are respectively inserted into the anchor rod hole 11, the second through hole 14 and the third through hole 21 to fix the device, the supporting plate 8 can support concave points on the top of the roadway and can comprehensively support the top of the roadway which is not flat; when finding that the suspended part of some areas is large, the knob part of the adjusting rod 5 is rotated, the thread part of the adjusting rod 5 can rotate relative to the first threaded hole 9, the adjusting rod 5 pushes the spring 7 and the supporting plate 8 to move upwards, supporting force is applied to the wall of the suspended part, and the stability of the rock wall at the top of the roadway is guaranteed.
Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, or equivalent changes and modifications can be made to some of the technical features of the embodiments described above, and any changes, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a coal mine tunnel supporting device, includes bottom plate, curb plate and roof, bottom plate and curb plate fixed connection, two curb plate upper ends about the roof is located, its characterized in that: the adjustable supporting device is uniformly arranged on the top plate and comprises an adjusting rod, an adjusting plate, a spring and a supporting plate; the adjusting rod comprises a knob part at the lower end, a thread part in the middle and a fixture block part at the upper end; first threaded holes are uniformly formed in the top plate; the adjusting rod penetrates through the first threaded hole to rotatably connect the fixture block part to the necking groove below the adjusting plate, and the threaded part of the adjusting rod is matched with the first threaded hole; the supporting plate is fixed on the upper part of the adjusting plate through a spring; the left side plate and the right side plate are respectively provided with an anchor rod hole.
2. A coal mine roadway support apparatus as claimed in claim 1, wherein: the bottom plate is L-shaped, first through holes are uniformly formed in the side wall of the bottom plate, second threaded holes corresponding to the first through holes are uniformly formed in the lower end of the side plate, and the bolt penetrates through the first through holes to be matched with the second threaded holes to fix the bottom plate on the inner side of the side plate.
3. A coal mine roadway support apparatus as claimed in claim 2, wherein: and a second through hole is formed in the lower wall of the bottom plate.
4. A coal mine roadway support apparatus as claimed in claim 2, wherein: the bottom plate lower wall is equipped with the third screw hole, the inside screw thread of third screw hole is linked there is the fixed pin, the fixed pin lower extreme is sharp-pointed part, and the upper end is helicitic texture.
5. A coal mine roadway support device according to claim 4, wherein: the lower end of the fixing pin is provided with a spiral plate at a sharp part.
6. A coal mine roadway support apparatus as claimed in any one of claims 1 to 5, wherein: the support plate may be made of a flexible material.
7. A coal mine roadway support device according to claim 6, wherein: and reinforcing ribs are welded on the side plates and the top plate.
8. A coal mine roadway support device according to claim 7, wherein: the top plate is of a left-right split structure, the left end top plate is welded with the left side plate, and the right end top plate is welded with the right side plate; the left end top plate is provided with a slot, the right end top plate is provided with a plug, and the plug can be inserted into the slot; and a third through hole is formed in the position, opposite to the slot, of the plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627279.0U CN210660145U (en) | 2019-09-27 | 2019-09-27 | Coal mine tunnel supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627279.0U CN210660145U (en) | 2019-09-27 | 2019-09-27 | Coal mine tunnel supporting device |
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| Publication Number | Publication Date |
|---|---|
| CN210660145U true CN210660145U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921627279.0U Active CN210660145U (en) | 2019-09-27 | 2019-09-27 | Coal mine tunnel supporting device |
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| CN (1) | CN210660145U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112673A (en) * | 2020-09-24 | 2020-12-22 | 张宝 | Coal mining is with tunnel rockfall safety support device of preventing |
| CN112282814A (en) * | 2020-10-28 | 2021-01-29 | 贵州理工学院 | Roadway support device adaptable to various underground environments |
| CN112459811A (en) * | 2020-12-15 | 2021-03-09 | 梁婷婷 | Hydraulic support equipment for underground working face of mine |
-
2019
- 2019-09-27 CN CN201921627279.0U patent/CN210660145U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112673A (en) * | 2020-09-24 | 2020-12-22 | 张宝 | Coal mining is with tunnel rockfall safety support device of preventing |
| CN112282814A (en) * | 2020-10-28 | 2021-01-29 | 贵州理工学院 | Roadway support device adaptable to various underground environments |
| CN112459811A (en) * | 2020-12-15 | 2021-03-09 | 梁婷婷 | Hydraulic support equipment for underground working face of mine |
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