CN207701157U - A kind of supporting construction of limitation gob side entry retaining wall bulging - Google Patents
A kind of supporting construction of limitation gob side entry retaining wall bulging Download PDFInfo
- Publication number
- CN207701157U CN207701157U CN201721751625.7U CN201721751625U CN207701157U CN 207701157 U CN207701157 U CN 207701157U CN 201721751625 U CN201721751625 U CN 201721751625U CN 207701157 U CN207701157 U CN 207701157U
- Authority
- CN
- China
- Prior art keywords
- dual control
- control anchor
- anchor pole
- wall
- side entry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of supporting construction of limitation gob side entry retaining wall bulging,Including left wall,Right wall and top plate,Several the first dual control anchor poles are evenly arranged on the outside of left wall,The upper end of dual control anchor pole is connect with the first top tray being arranged inside top plate,The lower end of first dual control anchor pole is fixedly connected with the first lower tray,Several the second dual control anchor poles are evenly arranged on the outside of right wall,The upper end of second dual control anchor pole is connect with the second top tray being arranged inside top plate,The lower end of second dual control anchor pole is fixedly connected with the second lower tray,The inside of top plate,Third dual control anchor pole is provided between first top tray and the second top tray,Left wall,The both ends of right wall are both provided with starting country rock robust structure and terminate country rock robust structure,Left wall,The inner homogeneous of right wall is symmetrically arranged with several 4th dual control anchor poles.Advantageous effect：Effectively prevent the bulging of longitudinal stress and lateral stress to the wall of gob side entry retaining.
Description
Technical field
The utility model is related to technical field of coal exploitation, and in particular to a kind of supporting of limitation gob side entry retaining wall bulging
Structure.
Background technology
Charming column exploitation is realized when gob side entry retaining, is improved coal recovery rate, is reduced mine Denver Nuggets rate, realizing that Y types are logical
Wind system advantageously accounts for the effective ways of gas problem.But stay lane to be subjected to multiple strong just understanding influence, high protolith are answered
Power with just understand being superimposed for profit, be inverted that the dilatancy of country rock and deformation of wall, rheological characteristic be prominent and the effective length of gob side entry retaining
It is unable to meet demand.Not only cause gob side entry retaining roof deformation strong, but also the rate liquid that shifts near of coal side and wall greatly increases.System
The about construction of modern mechanical mine.So effectively stay lane length, wall by stable lane, higher supporting intensity is
Nowadays it needs to face and solve the problems, such as.With the increase that coal is buried, the stress of overlying rock is also being continuously increased, wall
The stress supported is also increasing, and wall both sides are bloated to both sides to wall damage by vertical stress and excavation disturbance stress.
Utility model content
The utility model provides a kind of supporting construction of limitation gob side entry retaining wall bulging, solves in above-mentioned background technology
The stress of the increase buried with coal encountered, overlying rock is also being continuously increased, and the stress that wall is supported is also increasingly
Greatly, the problem of wall both sides are bloated to both sides to wall damage by vertical stress and excavation disturbance stress.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
A kind of supporting construction of limitation gob side entry retaining wall bulging of the utility model, including left wall, right wall and top plate,
Several the first dual control anchor poles are evenly arranged on the outside of the left wall, the upper end of the dual control anchor pole and setting are in top plate
First top tray in portion is fixedly connected, the lower end of the first dual control anchor pole and be arranged ground end the first lower tray fix connect
It connects, several the second dual control anchor poles, the upper end of the second dual control anchor pole and setting is evenly arranged on the outside of the right wall
The second top tray inside top plate is fixedly connected, and the lower end of the second dual control anchor pole and the second lower tray in ground end is arranged
It is fixedly connected, third dual control anchor pole, and the left side is provided between the inside of the top plate, the first top tray and the second top tray
Wall, right wall both ends be both provided with starting country rock robust structure and terminate country rock robust structure, and the left wall, You Qiang
The inner homogeneous of body is symmetrically arranged with several 4th dual control anchor poles, and the both ends setting of the 4th dual control anchor pole is in starting country rock
Robust structure and the inside for terminating country rock robust structure.
As a kind of optimal technical scheme of the utility model, the first dual control anchor pole, the second dual control anchor pole, third are double
Control a diameter of 20 millimeters of anchor pole.
As a kind of optimal technical scheme of the utility model, a diameter of 40 millimeters of the 4th dual control anchor pole.
As a kind of optimal technical scheme of the utility model, 200 millimeters are spaced between the adjacent first dual control anchor pole,
200 millimeters are spaced between the adjacent second dual control anchor pole.
As a kind of optimal technical scheme of the utility model, 400 millimeters are spaced between the adjacent 4th dual control anchor pole.
As a kind of optimal technical scheme of the utility model, first top tray, the first lower tray, the second pop-up
A diameter of 50 millimeters of disk, the second lower tray.
The advantageous effect that the utility model is reached is：The supporting construction of this kind limitation gob side entry retaining wall bulging, first
Dual control anchor pole, the second dual control anchor pole and the first top tray at the first dual control anchor pole both ends, the first lower tray, setting are set the
Second top tray, second lower tray at two dual control anchor pole both ends effectively prevent longitudinal stress to the left wall of gob side entry retaining,
The bulging of right wall, while being symmetrically arranged with several 4th dual control anchor poles, Neng Gouyou in the inner homogeneous of left wall, right wall
Effect prevents bulging of the lateral stress to the left wall, right wall of gob side entry retaining.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
In the accompanying drawings：
Fig. 1 is a kind of overall structure figure of the supporting construction of limitation gob side entry retaining wall bulging of the utility model；
Fig. 2 is a kind of plane structure chart of the supporting construction of limitation gob side entry retaining wall bulging of the utility model；
In figure：1, left wall；2, right wall；3, top plate；4, the first dual control anchor pole；5, the first top tray；6, the first subiculum
Disk；7, the second dual control anchor pole；8, the second top tray；9, the second lower tray；10, third dual control anchor pole；11, the 4th dual control anchor pole；
12, country rock robust structure is originated；13, country rock robust structure is terminated.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment：As shown in Figs. 1-2, a kind of supporting construction of limitation gob side entry retaining wall bulging of the utility model, including
The outside of left wall 1, right wall 2 and top plate 3, left wall 1 is evenly arranged with several the first dual control anchor poles 4, dual control anchor pole 4
Upper end is fixedly connected with the first top tray 5 being arranged inside top plate 3, the lower end of the first dual control anchor pole 4 and is arranged in ground end
First lower tray 6 is fixedly connected, and the outside of right wall 2 is evenly arranged with several the second dual control anchor poles 7, the second dual control anchor pole 7
Upper end be fixedly connected with the second top tray 8 being arranged inside top plate 3, the lower end of the second dual control anchor pole 7 be arranged in ground end
The second lower tray 9 be fixedly connected, be provided with third dual control between the inside of top plate 3, the first top tray 5 and the second top tray 8
Anchor pole 10, and the both ends of left wall 1, right wall 2 are both provided with starting country rock robust structure 12 and terminate country rock robust structure 13,
And the inner homogeneous of left wall 1, right wall 2 is symmetrically arranged with several 4th dual control anchor poles 11, the two of the 4th dual control anchor pole 11
End is arranged in starting country rock robust structure 12 and terminates the inside of country rock robust structure 13.
A diameter of 20 millimeters of first dual control anchor pole 4, the second dual control anchor pole 7, third dual control anchor pole 10, convenient for preventing along sky
Lane wall is stayed to bloat, and a diameter of 20 millimeters of the first dual control anchor pole 4, the second dual control anchor pole 7, third dual control anchor pole 10 are not easy
Damage.
A diameter of 40 millimeters of 4th dual control anchor pole 11, convenient for preventing gob side entry retaining wall from bloating, a diameter of 40 millimeters
4th dual control anchor pole 11 is sturdy and durable to be hardly damaged.
It is spaced 200 millimeters between adjacent first dual control anchor pole 4, is spaced 200 millimeters between adjacent second dual control anchor pole 7, energy
Enough effectively prevent the bulging of the left wall 1, right wall 2 of gob side entry retaining.
It is spaced 400 millimeters between adjacent 4th dual control anchor pole 11, can effectively prevent left wall 1, the right side of gob side entry retaining
The bulging of wall 2.
A diameter of 50 millimeters of first top tray 5, the first lower tray 6, the second top tray 8, the second lower tray 9, Neng Gouyou
The bulging that wall is prevented using the mutual stress of wall upper and lower ends of effect.
Specifically, be evenly arranged with several the first dual control anchor poles 4 in the outside of left wall 1, the upper end of dual control anchor pole 4 with
The first top tray 5 being arranged inside top plate 3 is fixedly connected, and the lower end of the first dual control anchor pole 4 and is arranged under the first of ground end
Pallet 6 is fixedly connected, and 200 millimeters are spaced between adjacent first dual control anchor pole 4, can effectively prevent the left wall of gob side entry retaining
1 bulging, the first top tray 5, the first lower tray 6 are arranged at the both ends of the first dual control anchor pole 4, can effectively apply wall or more
The mutual stress at both ends prevents the bulging of wall, several the second dual control anchor poles 7 are evenly arranged in the outside of right wall 2, the
The upper end of two dual control anchor poles 7 is fixedly connected with the second top tray 8 being arranged inside top plate 3, the lower end of the second dual control anchor pole 7 with
The second lower tray 9 being arranged in ground end is fixedly connected, and 200 millimeters are spaced between adjacent second dual control anchor pole 7, can effectively be prevented
The only bulging of the right wall 2 of gob side entry retaining, the second top tray 8, the second lower tray 9 can effectively apply wall upper and lower ends
Mutual stress prevents the bulging of wall, and third dual control is provided between the inside of top plate 3, the first top tray 5 and the second top tray 8
Anchor pole 10, third dual control anchor pole 10 prevent left wall 1 and right wall 2 from mutually squeezing the stress formed to left wall 1 and right wall 2
It damages, while several 4th dual control anchor poles 11 is symmetrically arranged in the inner homogeneous of left wall 1, right wall 2, the 4th pair
The both ends of control anchor pole 11 are arranged in starting country rock robust structure 12 and terminate the inside of country rock robust structure 13, the 4th dual control anchor pole
A diameter of 40 millimeters of 11 are spaced 400 millimeters between adjacent 4th dual control anchor pole 11, can effectively prevent lateral stress pair
The bulging of the left wall 1, right wall 2 of gob side entry retaining.
This kind limits the supporting construction of gob side entry retaining wall bulging, the first dual control anchor pole 4, the second dual control anchor pole 7 and setting
In first top tray 5 at 4 both ends of the first dual control anchor pole, the first lower tray 6, it is arranged on the second of 7 both ends of the second dual control anchor pole
Pallet 8, the second lower tray 9 effectively prevent bulging of longitudinal stress to the left wall 1, right wall 2 of gob side entry retaining, while
Left wall 1, right wall 2 inner homogeneous be symmetrically arranged with several 4th dual control anchor poles 11, can effectively prevent lateral
Bulging of the stress to the left wall 1, right wall 2 of gob side entry retaining.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of supporting construction of limitation gob side entry retaining wall bulging, including left wall（1）, right wall（2）And top plate（3）,
It is characterized in that, the left wall（1）Outside be evenly arranged with several the first dual control anchor poles（4）, the dual control anchor pole（4）'s
Upper end is with setting in top plate（3）The first internal top tray（5）It is fixedly connected, the first dual control anchor pole（4）Lower end with set
Set the first lower tray in ground end（6）It is fixedly connected, the right wall（2）Outside be evenly arranged with several the second dual control anchors
Bar（7）, the second dual control anchor pole（7）Upper end be arranged in top plate（3）The second internal top tray（8）It is fixedly connected, institute
State the second dual control anchor pole（7）Lower end and the second lower tray in ground end is set（9）It is fixedly connected, the top plate（3）Inside,
First top tray（5）With the second top tray（8）Between be provided with third dual control anchor pole（10）, and the left wall（1）, right wall
（2）Both ends be both provided with starting country rock robust structure（12）With termination country rock robust structure（13）, and the left wall（1）、
Right wall（2）Inner homogeneous be symmetrically arranged with several 4th dual control anchor poles（11）, the 4th dual control anchor pole（11）Two
End setting is in starting country rock robust structure（12）With termination country rock robust structure（13）Inside.
2. a kind of supporting construction of limitation gob side entry retaining wall bulging according to claim 1, which is characterized in that described the
One dual control anchor pole（4）, the second dual control anchor pole（7）, third dual control anchor pole（10）A diameter of 20 millimeters.
3. a kind of supporting construction of limitation gob side entry retaining wall bulging according to claim 1, which is characterized in that described the
Four dual control anchor poles（11）A diameter of 40 millimeters.
4. a kind of supporting construction of limitation gob side entry retaining wall bulging according to claim 1, which is characterized in that adjacent institute
State the first dual control anchor pole（4）Between be spaced 200 millimeters, the adjacent second dual control anchor pole（7）Between be spaced 200 millimeters.
5. a kind of supporting construction of limitation gob side entry retaining wall bulging according to claim 1, which is characterized in that adjacent institute
State the 4th dual control anchor pole（11）Between be spaced 400 millimeters.
6. a kind of supporting construction of limitation gob side entry retaining wall bulging according to claim 1, which is characterized in that described the
One top tray（5）, the first lower tray（6）, the second top tray（8）, the second lower tray（9）A diameter of 50 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751625.7U CN207701157U (en) | 2017-12-15 | 2017-12-15 | A kind of supporting construction of limitation gob side entry retaining wall bulging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751625.7U CN207701157U (en) | 2017-12-15 | 2017-12-15 | A kind of supporting construction of limitation gob side entry retaining wall bulging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701157U true CN207701157U (en) | 2018-08-07 |
Family
ID=63026488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721751625.7U Expired - Fee Related CN207701157U (en) | 2017-12-15 | 2017-12-15 | A kind of supporting construction of limitation gob side entry retaining wall bulging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701157U (en) |
-
2017
- 2017-12-15 CN CN201721751625.7U patent/CN207701157U/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 |
Granted publication date: 20180807 Termination date: 20181215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |