CN218844341U - Big inclination tunnel unit fore support - Google Patents
Big inclination tunnel unit fore support Download PDFInfo
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- CN218844341U CN218844341U CN202223044364.9U CN202223044364U CN218844341U CN 218844341 U CN218844341 U CN 218844341U CN 202223044364 U CN202223044364 U CN 202223044364U CN 218844341 U CN218844341 U CN 218844341U
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Abstract
The utility model provides a large-inclination roadway unit forepoling, which comprises a stand column, wherein the top of the stand column is provided with a top beam, and the top of the top beam is provided with an inclined top plate; the lower part of the upright post is provided with a base, and the bottom of the base is provided with an oblique base plate; one side of the base is rotatably provided with a side board and a swing jack for driving the side board to rotate. This big inclination tunnel unit leading support is through setting up the swing jack of connecting the base in stand one side, and set up the oblique top board at the stand top and set up the slant backing plate on the base, can utilize the flexible big inclination unit leading support back timber of realization of swing jack to swing at 20 wide-angles, make the support back timber can take the initiative self-adaptation uneven tunnel roof condition of fluctuation after the roof contact, but fall a back support back timber automatic re-setting and keep normal gesture, and the pneumatic monorail of accessible hangs the circulation and accomplishes advance support, avoid the support to support repeatedly and destroy the integrality of tunnel roof.
Description
Technical Field
The utility model relates to a mine support field, specific theory has related to a big inclination roadway unit fore-stock.
Background
In order to overcome the defects of low supporting intensity, high labor intensity of workers, low supporting speed and the like of the advance support of a single hydraulic prop in a crossheading of a fully-mechanized mining working surface in a mining area, an advance support hydraulic support structure appears in the market, and compared with the support of the single prop matched with a metal hinged top beam, the advance support hydraulic support can better control the stability of surrounding rocks of a roadway, has better top control effect and provides safety guarantee for the maintenance work of the roadway.
At present, the most widely used advanced support hydraulic support in China is mainly a walking type advanced support. The walking type forepoling comprises a left group of supports and a right group of supports, and each group of supports comprises two supports. When moving the frame, the front frame in one group is lowered and the rear frame is used as a fulcrum to push forward a step distance by a pushing jack. And the front frame is re-supported after the frame moving is finished and is used as a fulcrum of the rear frame, and the rear frame after the frame lowering is pulled forward by a step pitch through the pushing jack. The left and right groups of supports sequentially and circularly finish advancing.
However, the walking type rack moving method repeatedly supports the roadway roof, and the roof is easily broken. After the roof destroys high increase, the dilatation effect of the coal body leads to the increase of the volume of the top coal, and the roof appears "string bag" phenomenon on a large scale, and then leads to the support to appear falling the post easily, rise the difficult phenomenon of post, and still can destroy stock, anchor rope, cause and move back the anchor degree of difficulty and increase.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a large-inclination roadway unit forepoling comprises an upright post, wherein a top beam is arranged at the top of the upright post, and an inclined top plate is arranged at the top of the top beam; the lower part of the upright post is provided with a base, and the bottom of the base is provided with an oblique base plate; one side of the base is rotatably provided with a side board and a swing jack for driving the side board to rotate.
Based on the above, in order to adapt to the working environment, the inclined base plate is arranged at the bottom of the base in an inclined upward manner, and the inclined top plate is arranged at the top of the top beam in an inclined downward manner.
Based on the above, in order to increase the friction force, a plurality of small anti-skidding cylinders are arranged on the inclined top plate.
Based on the above, the lower end of the side board is hinged to the base, the upper end of the side board is connected with one end of the swing jack through a pin shaft, and the other end of the swing jack is hinged to the middle upper portion of the base.
Based on the above, the rib plate is arranged on the outer side of the middle upper part of the base, and the lug plate used for connecting the top end of the swing jack is arranged on the rib plate.
Based on the above, in order to increase the structural strength, a pair of the upright columns and a pair of the swing jacks are arranged between the base and the top beam, and the pair of the swing jacks is arranged between the pair of the upright columns.
Based on the above, in order to increase the structural strength of stand, the stand is telescopic solid stand.
Based on the above, in order to improve stability, the width of the base is larger than that of the top beam.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a pair of big inclination tunnel unit leading support, through set up the swing jack structure of connecting the base in stand one side, can utilize swing jack's flexible realization big inclination unit leading support back timber to swing at 20 wide-angles for but the support back timber meets the tunnel roof condition of initiative self-adaptation undulation after the top, but fall a back support back timber automatic re-setting and keep normal gesture. And the tail large-inclination-angle unit advance hydraulic support adopts a pneumatic monorail crane to transport the unit type advance hydraulic support to the front part of the advance support. The advance support is completed along with the pushing of the working face in a repeated and circulating mode, and the phenomenon that the integrity of a roadway top plate is damaged due to repeated support of a support is avoided.
Furthermore, a supporting mechanism is arranged on one side of the base of the advanced support of the large-inclination-angle unit, so that the contact area of the bottom plate can be increased, and the support is prevented from falling and falling.
Furthermore, the top surface of the top beam of the advanced support of the large inclination angle unit is designed into an inclined top, the small anti-skidding cylinder is designed on the inclined top plate, and the inclined base plate is designed under the base, so that when the support is placed on the horizontal base plate, the included angle between the support and the horizontal plane is 83 degrees, and the underground condition that the top plates of two roadways of the crossheading are inverted trapezoids and the inclination angle is 15-45 degrees can be adapted.
Furthermore, the top beam of the large-inclination-angle unit forepoling adopts a narrow and light design, the base adopts a wide and heavy design, the gravity center position is inclined downwards, and the transverse stability of the unit forepoling is improved. The large-inclination-angle unit forepoling upright post movable post is a solid movable post, and the structural stability of the upright post is improved.
Drawings
Fig. 1 is a schematic view of the expansion state of the advanced support of the large inclination angle roadway unit provided by the utility model.
Fig. 2 is the utility model provides a local structure schematic diagram of big inclination tunnel unit forepoling expansion state.
In the figure: 1. a top beam; 2. a slanted top plate; 3. a small anti-slip cylinder; 4. a column; 5. an ear plate; 6. swinging the jack; 7. a side panel; 8. a base; 9. an oblique base plate; 10. a rib plate.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
Example 1
The embodiment provides a large inclination angle roadway unit forepoling, as shown in fig. 1 and fig. 2, comprising a column 4, wherein a top beam 1 is arranged at the top of the column 4. The top of the top beam 1 is provided with an inclined top plate 2; the lower part of the upright post 1 is provided with a base 8, and the bottom of the base 8 is provided with an oblique base plate 9.
One side of the base 8 is rotatably provided with a side plate 7 and a swing jack 6 for driving the side plate 7 to rotate.
In the present embodiment, in order to adapt to the working environment, the inclined backing plate 9 is disposed at the bottom of the base 8 in an inclined upward manner, and the inclined top plate 2 is disposed at the top of the top beam 1 in an inclined downward manner. Specifically, the inclined pad 9 is disposed obliquely upward from one side of the inner lateral upper 7. The inclined top plate 2 is obliquely arranged downwards from the inner side to one side of the side board 7.
In order to increase the friction force, a plurality of small anti-skidding cylinders 3 are arranged on the inclined top plate 2.
Example 2
The embodiment provides a large inclination angle roadway unit advance support, and the specific structure is different from that of embodiment 1 in that: in this embodiment, the lower end of the side board 7 is hinged to the base 8. The upper end of the side board 7 is connected with one end of the swing jack 6 through a pin shaft, and the other end of the swing jack 6 is hinged to the middle upper part of the base 8.
Specifically, a rib plate 10 is arranged on the outer side of the middle upper part of the base 8, and an ear plate 5 used for connecting the top end of the swing jack 6 is arranged on the rib plate 10.
In order to increase the structural strength, a pair of the upright columns 4 and a pair of the swing jacks 6 are arranged between the base 8 and the top beam 1, and the pair of the swing jacks 6 is arranged between the pair of the upright columns 4.
In this embodiment, in order to increase the structural strength of the upright 4, the upright 4 is a telescopic solid upright. For improved stability, the base 8 has a width greater than the width of the top beam.
Specifically, the utility model provides a pair of big inclination tunnel unit fore-stock, when using, big inclination tunnel unit fore-stock adopts pneumatic single track to hang it and transports the fore-stock front portion. The advance support is completed along with the pushing of the working face in a repeated and circulating mode, and the completeness of the roadway top plate repeatedly supported by the support is avoided.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the technical solution of the present invention, the present invention should be covered by the technical solution of the present invention.
Claims (8)
1. The utility model provides a big inclination tunnel unit fore-stock, includes the stand, its characterized in that: the top of the upright post is provided with a top beam, and the top of the top beam is provided with an inclined top plate; the lower part of the upright post is provided with a base, and the bottom of the base is provided with an oblique base plate; one side of the base is rotatably provided with a side board and a swing jack for driving the side board to rotate.
2. The high-inclination roadway unit forecarriage as claimed in claim 1, wherein: the inclined base plate is arranged at the bottom of the base in an inclined upward mode, and the inclined top plate is arranged at the top of the top beam in an inclined downward mode.
3. The high-inclination roadway unit forecarriage as claimed in claim 1 or 2, wherein: and a plurality of small anti-skidding cylinders are arranged on the inclined top plate.
4. The high-inclination roadway unit forecarriage as claimed in claim 3, wherein: the lower end of the side board is hinged to the base, the upper end of the side board is connected with one end of the swing jack through a pin shaft, and the other end of the swing jack is hinged to the middle upper portion of the base.
5. The high-inclination roadway unit forecarriage as claimed in claim 4, wherein: and a rib plate is arranged on the outer side of the middle upper part of the base, and an ear plate used for connecting the top end of the swing jack is arranged on the rib plate.
6. The forepoling of a large inclination roadway unit of claim 5, characterized by: and a pair of upright columns and a pair of swing jacks are arranged between the base and the top beam, and the pair of swing jacks is arranged between the pair of upright columns.
7. The high-inclination roadway unit forecarriage as claimed in claim 6, wherein: the upright post is a telescopic solid upright post.
8. The high-inclination roadway unit forecarriage of claim 7, wherein: the width of the base is greater than the width of the top beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223044364.9U CN218844341U (en) | 2022-11-16 | 2022-11-16 | Big inclination tunnel unit fore support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223044364.9U CN218844341U (en) | 2022-11-16 | 2022-11-16 | Big inclination tunnel unit fore support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218844341U true CN218844341U (en) | 2023-04-11 |
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ID=87310368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223044364.9U Active CN218844341U (en) | 2022-11-16 | 2022-11-16 | Big inclination tunnel unit fore support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218844341U (en) |
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2022
- 2022-11-16 CN CN202223044364.9U patent/CN218844341U/en active Active
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