CN214997754U - Heightening top beam transition hydraulic support suitable for roadway and working face with unequal heights - Google Patents
Heightening top beam transition hydraulic support suitable for roadway and working face with unequal heights Download PDFInfo
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- CN214997754U CN214997754U CN202121356680.2U CN202121356680U CN214997754U CN 214997754 U CN214997754 U CN 214997754U CN 202121356680 U CN202121356680 U CN 202121356680U CN 214997754 U CN214997754 U CN 214997754U
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Abstract
The utility model relates to a roadway support equipment field especially relates to a be applicable to tunnel and working face unequal height increase back timber transition hydraulic support. Including back timber and base, back timber and base all set up in the tunnel along the fore-and-aft direction level, it is articulated through front column and back post between base and the back timber, the rear end of back timber articulates there is the shield roof beam, the front end of back timber articulates there is the front beam, the back timber is including increasing the back timber, transition roof beam and intermediate bottom, the back timber is increased in the connection of transition roof beam upper end, the intermediate bottom is connected to the lower extreme, it has first connecting rod to articulate on the intermediate bottom, it has second connecting rod and third connecting rod to articulate on the base, second connecting rod and third connecting rod are articulated with first connecting rod. The utility model has the advantages that: the top beam of the heightened top beam transition hydraulic support and the front beam box body are heightened to achieve the effect that the transition sections near two ends of the fully mechanized caving face of the mine are suitable for preventing the top plate and the side transition support from protecting the coal wall, and the strength of the main rib in the device is required to be strengthened to ensure the strength coefficient.
Description
Technical Field
The utility model relates to a roadway support equipment field especially relates to a be applicable to tunnel and working face unequal height increase back timber transition hydraulic support.
Background
The scheme of triangular coal recovery of the transition section is arranged along the top of two lanes of the fully mechanized caving face of a thick coal seam, and equipment cannot be changed when the face is installed. Based on about 5m of coal seam thickness in mine mining, when a working face adopts a fully mechanized caving process for stoping, the coal cutting height is 2.6m, the upper coal support is about 2.4m, two advanced supported top coals are influenced by dynamic pressure during stoping, the top plate is difficult to crush and support, and the appearance is checked. So that the two lanes of the working face cannot be placed along the base. The two lanes are not arranged along the bottom, so that the transition sections near the two ends of the working face form triangular coal, the triangular coal is reserved at the bottom and cannot be recycled, coal resources are wasted, the triangular coal is coal resources in the coal seam range, disaster control cost is not required to be input, and the triangular coal at the transition sections is reserved to the top and can be discharged and recycled after being erected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide and can provide one kind and can enough effectively promote to combine and put a support stability, can solve again that one kind of changeover portion triangle coal retrieves the problem and is applicable to tunnel and the unequal height of working face increase back timber transition hydraulic support.
The utility model discloses a realize through following technical scheme: the utility model provides a top beam transition hydraulic support increases suitable for tunnel and working face inequality height, includes top beam and base, top beam and base all set up in the tunnel along the fore-and-aft direction level, it is articulated through front column and back column between base and the top beam, the rear end of top beam is articulated to have a shield roof beam, the front end of top beam is articulated to have a front beam, the top beam is including increasing top beam, transition roof beam and intermediate beam, transition roof beam upper end is connected and is increased the top beam, and the intermediate beam is connected to the lower extreme, it has first connecting rod to articulate on the intermediate beam, it has second connecting rod and third connecting rod to articulate on the base, second connecting rod and third connecting rod with first connecting rod is articulated.
In order to further optimize the utility model discloses, can prefer following technical scheme for use: the front beam can swing up and down by 10 degrees.
Preferably, the side surface of the top beam is provided with a side guard plate.
Preferably, the front end of the front beam is provided with a side protecting structure which plays a role in supporting and protecting a front end top plate and a coal wall.
Preferably, the upper protection structure comprises a first-stage upper protection plate and a second-stage upper protection plate, the first-stage upper protection plate is as high as the lower surface of the middle beam in a vertical state, and the second-stage upper protection plate is hinged to the lower end of the first-stage upper protection plate.
Preferably, the tail end of the shield beam is hinged with a point coal baffle plate.
Preferably, a plurality of rubber tube holes are formed in the front beam.
Preferably, a be applicable to tunnel and working face unequal height increase back timber transition hydraulic support, including back timber and base, back timber and base all set up in the tunnel along the fore-and-aft direction level, it is articulated through front column and back column between base and the back timber, the rear end of back timber is articulated to have the shield roof beam, the front end of back timber is articulated to have the front beam, the back timber is for increasing the back timber, it has first connecting rod to articulate on the back timber to increase, it has second connecting rod and third connecting rod to articulate on the base, second connecting rod and third connecting rod with first connecting rod is articulated.
Preferably, the front beam can swing up and down by 10 °.
Preferably, the front end of the front beam is provided with a side protection structure which plays a role in supporting and protecting a front end top plate and a coal wall, the side protection structure comprises a first-stage side protection plate and a second-stage side protection plate, the first-stage side protection plate is as high as the lower surface of the heightened top beam in a vertical state, and the second-stage side protection plate is hinged to the lower end of the first-stage side protection plate.
The beneficial effects of the utility model reside in that: a heightened top beam transition hydraulic support suitable for unequal heights of a roadway and a working face comprises a top beam and a base, wherein the top beam and the base are horizontally arranged in the roadway along the front-back direction, the base is hinged with the top beam through a front upright post and a rear upright post, the rear end of the top beam is hinged with a shield beam, the front end of the top beam is hinged with a front beam, the top beam comprises a heightened top beam, a transition beam and a middle beam, the upper end of the transition beam is connected with the heightened top beam, the lower end of the transition beam is connected with the middle beam, the middle beam is hinged with a first connecting rod, the base is hinged with a second connecting rod and a third connecting rod, the second connecting rod and the third connecting rod are hinged with the first connecting rod, the hydraulic support is different from a common hydraulic support in that the heightened top beam of a top beam 1 transition hydraulic support, the height of the front beam box body is increased by 900mm, and the effect that the top beam and the side transition support can not protect a coal wall by adapting to the transition section near the two ends of a mine fully mechanized face, the strength of the main rib in the device needs to be strengthened to ensure the strength coefficient. The front beam can swing up and down by 10 degrees, a plurality of rubber tube holes are formed in the front beam and are matched with the hydraulic rubber tube, and the hydraulic rubber tube can be conveniently installed in the later period. The side surface of the top beam is provided with a side protection plate, and the side protection plate is used for protecting the side surface of the hydraulic support against a coal wall. The front end of the front beam is provided with a side protecting structure which plays a role in supporting and protecting a front end top plate and a coal wall. The upper protection structure comprises a first-stage upper protection plate and a second-stage upper protection plate, the first-stage upper protection plate is as high as the lower surface of the middle beam in a vertical state, the second-stage upper protection plate is hinged to the lower end of the first-stage upper protection plate, the first-stage upper protection plate plays a role in supporting and protecting a front end top plate and a coal wall and protects a heightened coal wall area, and the second-stage upper protection plate can be in the same level with the upper protection of the middle frame to play a role in adjusting. The tail end of the shield beam is hinged with a point coal baffle plate, so that top coal can be discharged according to the inclined surface of the shield beam.
Drawings
FIG. 1 is an overall structural view of embodiment 1,
FIG. 2 is an overall structural view of embodiment 2,
the device comprises a heightening top beam 1, a heightening top beam 2, a transition beam 3, a middle beam 4, a front upright post 5, a rear upright post 6, a first connecting rod 7, a second connecting rod 8, a third connecting rod 9, a front beam 10, a shield beam 11, a point coal baffle plate 12, a first-level side guard plate 13, a second-level side guard plate 14 and a base.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "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 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" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Fig. 1 is the utility model discloses a concrete implementation mode, a be applicable to tunnel and working face unequal height increase back timber transition hydraulic support, including back timber and base 14, back timber and base 14 all set up in the tunnel along the fore-and-aft direction level, it is articulated through front column 4 and rear column 5 between base 14 and the back timber, the rear end of back timber articulates there is shield beam 10, the front end of back timber articulates there is front beam 9, the back timber is including increasing back timber 1, transition roof beam 2 and intermediate beam 3, cross the 2 upper ends of transition roof beam and connect and increase back timber 1, intermediate beam 3 is connected to the lower extreme, it has first connecting rod 6 to articulate on the intermediate beam 3, it has second connecting rod 7 and third connecting rod 8 to articulate on the base 14, second connecting rod 7 and third connecting rod 8 are articulated with first connecting rod 6. The hydraulic support is different from a common hydraulic support in that the top beam of the top beam 1 transition hydraulic support is heightened, the box body of the front beam 9 is heightened to be 900mm high, the effect that the transition sections near the two ends of the fully mechanized caving face of a mine cannot protect a coal wall of the top plate and the side transition support is achieved, and the strength of a main rib in the hydraulic support needs to be strengthened to ensure the strength coefficient.
The front beam 9 can swing up and down by 10 degrees, a plurality of rubber tube holes are formed in the front beam 9 and are matched with the hydraulic rubber tube, and the hydraulic rubber tube can be conveniently installed in the later period.
The side surface of the top beam is provided with a side protection plate, and the side protection plate is used for protecting the side surface of the hydraulic support against a coal wall.
The front end of the front beam 9 is provided with a side protecting structure which plays a role in supporting and protecting a front end top plate and a coal wall. The upper protection structure comprises a first-stage upper protection plate 12 and a second-stage upper protection plate 13, the first-stage upper protection plate 12 is as high as the lower surface of the middle beam 3 in a vertical state, the second-stage upper protection plate 13 is hinged to the lower end of the first-stage upper protection plate 12, the first-stage upper protection plate 12 plays a role in supporting and protecting a front end top plate and a coal wall, the heightening section coal wall area is protected, and the second-stage upper protection plate 13 can be adjusted to be in the same level with the upper protection of the middle frame.
The tail end of the shield beam 10 is hinged with a point coal baffle plate 11, so that the top coal can be discharged according to the inclined surface of the shield beam 10.
In this embodiment, the number of the side pushing jacks for heightening the top beam 1 is 4 (2 common top beams are generally used), and the protective effect on the coal wall on the side surface is better.
Example 2
Fig. 2 is the utility model discloses another embodiment, the difference with embodiment 1 is, a be applicable to tunnel and the unequal-height roof beam transition hydraulic support that increases of working face, including back timber and base 14, back timber and base 14 all set up in the tunnel along the fore-and-aft direction level, it is articulated through front column 4 and rear column 5 between base 14 and the back timber, the rear end of back timber articulates there is shield beam 10, the front end of back timber articulates there is front beam 9, the back timber is for increasing roof beam 1, it has first connecting rod 6 to increase to articulate on the roof beam 1, it has second connecting rod 7 and third connecting rod 8 to articulate on the base 14, second connecting rod 7 and third connecting rod 8 are articulated with first connecting rod 6.
Aiming at the condition that the height of a roadway is not equal to that of a working face, 5 hydraulic supports described in the embodiment 2 are adopted, 2 machine heads and 2 machine tails of the working face are adopted, 1 hydraulic support described in the embodiment 1 can be adopted in each of the track roadway and the rest areas, and the using number and the placing positions of the two hydraulic supports can be flexibly adjusted according to the shape of the roadway.
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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (10)
1. The utility model provides a top beam transition hydraulic support increases suitable for tunnel and working face are not high, includes top beam and base, and top beam and base all set up in the tunnel along the fore-and-aft direction level, it is articulated through front column and back column between base and the top beam, the rear end of top beam is articulated to have a shield roof beam, its characterized in that: the front end of back timber is articulated to have the front-axle beam, the back timber is including increasing back timber, transition roof beam and intermediate beam, transition roof beam upper end is connected and is increased the back timber, and the intermediate beam is connected to the lower extreme, it has first connecting rod to articulate on the intermediate beam, it has second connecting rod and third connecting rod to articulate on the base, second connecting rod and third connecting rod with first connecting rod is articulated.
2. The heightening top beam transition hydraulic support suitable for the roadway with the working face with unequal height as the claim 1 is characterized in that: the front beam can swing up and down by 10 degrees.
3. The heightening top beam transition hydraulic support suitable for the roadway with the working face with unequal height as the claim 1 is characterized in that: and side guard plates are arranged on the side surfaces of the top beams.
4. The heightening top beam transition hydraulic support suitable for the roadway with the working face with unequal height as the claim 1 is characterized in that: and the front end of the front beam is provided with a side protecting structure which plays a role in supporting and protecting a front end top plate and a coal wall.
5. The heightening top beam transition hydraulic support suitable for the roadway with the working face with unequal height as the claim 4 is characterized in that: the upper protection structure comprises a first-stage upper protection plate and a second-stage upper protection plate, the first-stage upper protection plate is as high as the lower surface of the middle beam in a vertical state, and the second-stage upper protection plate is hinged to the lower end of the first-stage upper protection plate.
6. The heightening top beam transition hydraulic support suitable for the roadway with the working face with unequal height as the claim 1 is characterized in that: the tail end of the shield beam is hinged with a point coal baffle plate.
7. The heightening top beam transition hydraulic support suitable for the roadway with the working face with unequal height as the claim 1 is characterized in that: and a plurality of rubber tube holes are formed in the front beam.
8. The utility model provides a top beam transition hydraulic support increases suitable for tunnel and working face are not high, includes top beam and base, and top beam and base all set up in the tunnel along the fore-and-aft direction level, it is articulated through front column and back column between base and the top beam, the rear end of top beam is articulated to have a shield roof beam, its characterized in that: the front end of back timber is articulated to have the front-axle beam, the back timber is for increasing the back timber, it has first connecting rod to articulate on the back timber to increase, it has second connecting rod and third connecting rod to articulate on the base, second connecting rod and third connecting rod with first connecting rod is articulated.
9. The heightening top beam transition hydraulic support suitable for the roadway with the working face with unequal height as the claim 8 is characterized in that: the front beam can swing up and down by 10 degrees.
10. The heightening top beam transition hydraulic support suitable for the roadway with the working face with unequal height as the claim 8 is characterized in that: the front end of the front beam is provided with a side protection structure which plays a role in supporting and protecting a front end top plate and a coal wall, the side protection structure comprises a first-stage side protection plate and a second-stage side protection plate, the first-stage side protection plate is as high as the lower surface of the heightened top beam in a vertical state, and the second-stage side protection plate is hinged to the lower end of the first-stage side protection plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121356680.2U CN214997754U (en) | 2021-06-18 | 2021-06-18 | Heightening top beam transition hydraulic support suitable for roadway and working face with unequal heights |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121356680.2U CN214997754U (en) | 2021-06-18 | 2021-06-18 | Heightening top beam transition hydraulic support suitable for roadway and working face with unequal heights |
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| CN214997754U true CN214997754U (en) | 2021-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673534A (en) * | 2022-04-01 | 2022-06-28 | 冀中能源峰峰集团有限公司 | Arrangement method of upper end overlapping type support of fully mechanized top coal caving face |
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2021
- 2021-06-18 CN CN202121356680.2U patent/CN214997754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673534A (en) * | 2022-04-01 | 2022-06-28 | 冀中能源峰峰集团有限公司 | Arrangement method of upper end overlapping type support of fully mechanized top coal caving face |
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