CN108915741A - A kind of empty coal roadway support device in big cross section edge - Google Patents
A kind of empty coal roadway support device in big cross section edge Download PDFInfo
- Publication number
- CN108915741A CN108915741A CN201810650555.9A CN201810650555A CN108915741A CN 108915741 A CN108915741 A CN 108915741A CN 201810650555 A CN201810650555 A CN 201810650555A CN 108915741 A CN108915741 A CN 108915741A
- Authority
- CN
- China
- Prior art keywords
- supporting
- anchor rod
- supporting plate
- lane side
- roof
- 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.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000004873 anchoring Methods 0.000 claims abstract description 29
- 210000000515 Tooth Anatomy 0.000 claims description 61
- 239000002965 rope Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 7
- 241000826860 Trapezium Species 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 239000000725 suspension Substances 0.000 abstract description 6
- 239000011435 rock Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/008—Anchoring or tensioning means
Abstract
The invention discloses a kind of big cross sections along empty coal roadway support device,Roadway support device of the invention can greatly improve the stability of large section roadway supporting,Improve supporting effect,By the way that special anti-loosening internal tooth anchor rod component is arranged,Pass through its radially-protruding tooth,It can be very good for anchor rod and anchoring cartridge positioning to be fixed in anchor hole,It is not in loosen,Prevent large section roadway from slight loosen occur and leading to roof fall,The problems such as loosening,Guarantee supporting safety,Roof timbering of the invention is additionally provided with auxiliary shoring plate,And it is locked using the check lock lever of arc,And it is fixed together with anti-loosening internal tooth anchor rod component,Make one entirety of entire suspension device,Guarantee firm effect,Structure of the invention is reasonable,Safety and the supporting effect of large section roadway supporting can be greatly improved,Also there is preferable supporting effect for the supporting of tender road.
Description
Technical field
The present invention relates to a kind of big cross sections along empty coal roadway support device, belongs to large section roadway support technology field.
Background technique
The basic object that tunnel carries out supporting is to mitigate and reduce the movement of country rock, makes drift section that will not excessively contract
It is small, while preventing from having dissipated the country rock inbreak from destruction.The effect of roadway support but depends not only on the bearing of bracket itself
Power, also by rock property, bracket mechanical property (supporting force and contractibility), support setting density, the morning for installing the bracket time
Evening, support setting quality and the influence with the series of factors such as the way of contact (point contact or face contact) of country rock.
Wherein, most commonly seen support pattern is suspension roof support, and suspension roof support is to anchor into anchor pole in country rock, keeps tunnel all
It encloses to form an entirety and stable rock band, works together the roadway support of purpose to reach bracket and country rock.Anchor pole type
It is more, there are slot-and-wedge type, swollen shell-type inverted wedge formula and resin and cement etc. point anchor formula anchor pole, bonding-type full-length by its structure type
The frictional Bolts such as anchor rod with cement mortar (including rope bolt), pipe seam formula, tube-expanding type;Wedge tubular type, mortar wedge
The composite types anchor pole such as seam and mortar wedge tubular type.
But phenomena such as being still easy to appear loosening when current these suspension roof supports, in supporting, it is easy to lead to lane
There is phenomena such as crack in road country rock, over time or roadway support is caused dangerous problem occur, especially in large section roadway
It is easier problems occur.Therefore, the stability for how improving roadway support, has great importance for roadway support.
The present invention is in view of the above problems, provide a kind of empty coal roadway support device in big cross section edge, raising large section roadway supporting
Stability and reliability.
Summary of the invention
To achieve the above object, the present invention provides the following technical solutions：A kind of empty coal roadway support device in big cross section edge, it is special
Sign is comprising supporting lane side board group part, supporting roof component, threaded anchor rod component, anchor rope component and anti-loosening internal tooth anchor
Bar assembly, wherein the both ends of the supporting roof component are respectively embedded into card and set the supporting lane side board group part for being fixed on two sides
Upper end, the supporting lane side board group part include be close to against roadside support lane side supporting plate and be located on the outside of the lane side supporting plate
Auxiliary supporting plate, the auxiliary supporting plate to the supporting roof component carry out Auxiliary support, the threaded anchor rod component, anchor cable group
Part is anchored at the top of lane side and tunnel, and the end of the threaded anchor rod component, anchor rope component is fixed on the lane side supporting plate
Or on supporting roof component；Being provided on the excircle of the anti-loosening internal tooth anchor rod component multiple prevents it out of anchor hole
The locking teeth of axial play；
The outer end locking of the anti-loosening internal tooth anchor rod component is arranged in the supporting lane side board group part or supporting roof group
On part.
Further, preferably, the anti-loosening internal tooth anchor rod component includes anchoring cartridge, anchor rod and multiple locking teeths,
The anchoring cartridge is set in anchor hole, and the anchor rod, the axis of the anchor rod are slidably arranged in the anchoring cartridge
It is hinged up to side and is provided with multiple locking teeths, the multiple and locking teeth is disposed on the axial direction of the anchoring cartridge
The corresponding perforation slot in position, the locking teeth is limited in the perforation slot, and when the anchor rod is along the anchoring cartridge
Axis direction when being displaced outwardly, the locking teeth stretches out the anchoring cartridge setting, carries out to anti-loosening internal tooth anchor rod component
When anchoring, it is contained in the locking teeth of anti-loosening internal tooth anchor rod component in the perforation slot, then will be arranged with anchor rod
Anchoring cartridge protrude into anchor hole, then, anchor rod is tensed outward, and the outer end of anchor rod is fixed on the supporting lane side
On board group part or supporting roof component, then to carrying out being pumped into anchoring slurries in anchor hole.
Further, preferably, the supporting roof component include the upper curved roof being wholely set, radial support plate and
Horizontal supporting plate, to supporting is carried out at the top of tunnel, the lower end of the upper curved roof is provided with horizontal the upper curved roof
Horizontal supporting plate, along the upper curved roof diameter between the horizontal supporting plate upper surface and the upper curved roof lower end surface
Extend multiple radial support plates of fixed support to direction, the radial support plate includes vertical radial plate and is symmetrically arranged in institute
State the side radial support plate of vertical radial plate two sides.
Further, preferably, the top of the auxiliary supporting plate is provided with arcuate socket, one end of the arcuate socket is extended to
Against the side of the horizontal supporting plate, the other end of the arcuate socket extends close to the side of lane side supporting plate, the arc
Locking arc bar is arranged in hole, the outer end of the anchor rod of the anti-loosening internal tooth anchor rod component, which is fixed as one, is provided with connection ring,
The downside end of the connection ring is connect by connection lasso with one end of the locking arc bar, the other end of the locking arc bar
It is fixedly installed nut, the nut receiving hole protruded into for the nut is provided on the horizontal supporting plate, it is described horizontally-supported
The upper surface of plate is provided with the stop collar for being hung on nut receiving hole top, and limit is provided with locking screw in the stop collar
The lower end of column, the locking stud is protruded into the nut receiving hole, and the lower end of the locking stud and the nut screw thread
Connection.
Further, preferably, the locking stud is T-type structure, and the T-type end of the locking stud is limited described
In stop collar, multiple handle holes protruded into for operating stick are provided on the excircle on the T-type end of the locking stud, to lead to
Operating stick is crossed to tighten the locking stud, and then realizes tension of the locking arc bar to anchor rod.
Further, preferably, the supporting roof component engages place with the insertion of the upper end of the supporting lane side board group part
Outside be arranged and be fixed with auxiliary fixing member.
Further, preferably, the outer end of the anchor rod is fixed on institute using the auxiliary fixing member being arranged on it
It states on lane side supporting plate or upper curved roof, and the outer end of the anchor rod also uses connection ring and lasso connection setting to exist
On standing screw, the standing screw is using nut fixed strain on the auxiliary supporting plate or horizontal supporting plate.
Further, preferably, the lane side supporting plate and auxiliary supporting plate between be additionally provided with abut each other support against
Supporting element, the auxiliary supporting plate are additionally provided with the firedamp sensor of monitoring gas close to the side of the lane side supporting plate.
Further, preferably, the insertion junction of the supporting roof component and the supporting lane side board group part at least
Be provided with one group of anti-loosening internal tooth anchor rod component, the two sides of the supporting roof component be respectively provided at least one group it is anti-loosening in
Tooth anchor rod component, the middle part or lower part of the supporting lane side board group part are at least provided with one group of anti-loosening internal tooth anchor rod component.
Further, preferably, the cross section of the perforation slot is trapezium structure, and the opening side of being radially therefrom of perforation slot
To being gradually reduced outward.
Compared with prior art, the beneficial effects of the invention are as follows：
Roadway support device of the invention can greatly improve the stability of large section roadway supporting, improve supporting effect, pass through
Special anti-loosening internal tooth anchor rod component is arranged can be very good to determine anchor rod and anchoring cartridge by its radially-protruding tooth
Position is fixed in anchor hole, is not in loosen, and prevents large section roadway from occurring slightly loosening and leading to roof fall, loosening etc. asking
Topic guarantees supporting safety, and roof timbering of the invention is additionally provided with auxiliary shoring plate, and using the check lock lever of arc to its into
Row locking, and it is fixed together with anti-loosening internal tooth anchor rod component, make one entirety of entire suspension device, guarantees firm
Effect, structure of the invention is reasonable, safety and the supporting effect of large section roadway supporting can be greatly improved, for tender road
Supporting also there is preferable supporting effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the big cross section of the present invention along empty coal roadway support device；
Fig. 2 is a kind of structural schematic diagram of the big cross section of the present invention along the locking arc bar of empty coal roadway support device；
Fig. 3 is that a kind of big cross section of the present invention anti-loosening internal tooth anchor rod component structure along the lane side supporting plate of empty coal roadway support device is shown
It is intended to；
Fig. 4 is a kind of anti-loosening internal tooth anchor rod component structural schematic diagram of the big cross section of the present invention along empty coal roadway support device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution：A kind of empty coal roadway support device in big cross section edge comprising
Supporting lane side board group part, supporting roof component, threaded anchor rod component 8, anchor rope component 7 and anti-loosening internal tooth anchor rod component 6,
In, the both ends of the supporting roof component are respectively embedded into card and set the upper end for being fixed on the supporting lane side board group part of two sides, institute
Stating supporting lane side board group part includes being close to the lane side supporting plate 9 against roadside support and the auxiliary branch on the outside of the lane side supporting plate
Plate 11, the auxiliary supporting plate 11 carry out Auxiliary support, the threaded anchor rod component 8, anchor rope component 7 to the supporting roof component
Be anchored at the top of lane side and tunnel, and the end of the threaded anchor rod component, anchor rope component be fixed on the lane side supporting plate 9 or
On person's supporting roof component；Being provided on the excircle of the anti-loosening internal tooth anchor rod component 6 multiple prevents it out of anchor hole
The locking teeth 28 of axial play；
The outer end locking of the anti-loosening internal tooth anchor rod component is arranged in the supporting lane side board group part or supporting roof group
On part.
Such as Fig. 2-3, the anti-loosening internal tooth anchor rod component includes anchoring cartridge 26, anchor rod 27 and multiple locking teeths 28, institute
It states anchoring cartridge 26 to be set in anchor hole, the anchor rod 27, the anchor rod is slidably arranged in the anchoring cartridge 26
Multiple locking teeths 28 are hingedly provided on 27 axial direction, be disposed on the axial direction of the anchoring cartridge 26 it is multiple with
The corresponding perforation slot in the position of the locking teeth, the locking teeth are limited in the perforation slot, and when the anchor rod along
When the axis direction of the anchoring cartridge is displaced outwardly, the locking teeth stretches out the anchoring cartridge setting, to anti-loosening internal tooth anchor
It when bar assembly is anchored, is contained in the locking teeth 28 of anti-loosening internal tooth anchor rod component in the perforation slot, then will
The anchoring cartridge 26 for being arranged with anchor rod 27 protrudes into anchor hole, then, anchor rod 27 is tensed outward, and by the outer end of anchor rod
It is fixed on the supporting lane side board group part or supporting roof component, then to carrying out being pumped into anchoring slurries in anchor hole i.e.
It can.
In the present embodiment, the supporting roof component includes the upper curved roof 2, radial support plate and water being wholely set
Flat support plate 3, to supporting is carried out at the top of tunnel, the lower end of the upper curved roof 2 is provided with horizontal the upper curved roof 2
Horizontal supporting plate 3, along the upper arched top between 3 upper surface of horizontal supporting plate and 2 lower end surface of upper curved roof
Plate radial direction extends multiple radial support plates of fixed support, and the radial support plate includes vertical radial plate 5 and symmetrical cloth
It is placed in the side radial support plate 4 of the vertical radial plate two sides.
As more preferably embodiment, the top of the auxiliary supporting plate is provided with arcuate socket, and one end of the arcuate socket extends to
Against the side of the horizontal supporting plate, the other end of the arcuate socket extends close to the side of lane side supporting plate, the arc
Locking arc bar 13 is arranged in hole, the outer end of the anchor rod 27 of the anti-loosening internal tooth anchor rod component, which is fixed as one, is provided with connection
The downside end of ring 23, the connection ring 23 is connect by connection lasso 22 with one end 21 of the locking arc bar 13, the lock
The other end of tight arc bar 13 is fixedly installed nut 20, and the nut protruded into for the nut is provided on the horizontal supporting plate and is held
Receive hole, the upper surface of the horizontal supporting plate is provided with the stop collar 16 for being hung on nut receiving hole top, the limit
Limit is provided with locking stud 18 in ring 16, and the lower end of the locking stud 18 is protruded into the nut receiving hole, and the lock
The lower end of tight stud is threadedly coupled with the nut.
Wherein, such as Fig. 2, the locking stud 18 is T-type structure, and the T-type end of the locking stud is limited in the limit
In the ring 16 of position, multiple handle holes 17 protruded into for operating stick are provided on the excircle on the T-type end of the locking stud 18, with
Operating stick be will pass through to tighten the locking stud, and then realize tension of the locking arc bar to anchor rod.
Such as Fig. 2, the supporting roof component engages the outer cover at place 25 with the insertion of the upper end of the supporting lane side board group part
If being fixed with auxiliary fixing member 24.
As the outer end of Fig. 3, the anchor rod are fixed on the lane side branch using the auxiliary fixing member 29 being arranged on it
On plate or upper curved roof, and the outer end of the anchor rod also uses connection ring 23 and lasso to connect setting in fixed spiral shell
On bar 14, the standing screw 14 is using 30 fixed strain of nut on the auxiliary supporting plate or horizontal supporting plate.
Such as Fig. 1, be additionally provided between the lane side supporting plate and auxiliary supporting plate abut each other support against supporting element, against
Supporting element includes against bar 10 and against panel seat 1, and the auxiliary supporting plate is additionally provided with monitoring close to the side of the lane side supporting plate
The firedamp sensor 15 of gas.
Wherein, the insertion junction of the supporting roof component and the supporting lane side board group part is anti-at least provided with one group
Internal tooth anchor rod component is loosened, the two sides of the supporting roof component have been respectively provided at least one group of anti-loosening internal tooth anchor rod component,
The middle part or lower part of the supporting lane side board group part are at least provided with one group of anti-loosening internal tooth anchor rod component.
In the present embodiment, in order to realize the limit to locking teeth, the cross section of the perforation slot is trapezium structure, and tooth
The opening of hole slot is gradually reduced outward from radial direction.
Roadway support device of the invention can greatly improve the stability of large section roadway supporting, improve supporting effect,
It can be very good by its radially-protruding tooth by anchor rod and anchoring by the way that special anti-loosening internal tooth anchor rod component is arranged
Set positioning is fixed in anchor hole, is not in loosen, prevent large section roadway from slight loosen occur and lead to roof fall, loosening etc.
Problem guarantees supporting safety, and roof timbering of the invention is additionally provided with auxiliary shoring plate, and using the check lock lever of arc to it
It is locked, and it is fixed together with anti-loosening internal tooth anchor rod component, make one entirety of entire suspension device, guaranteed steady
Gu effect, structure of the invention is reasonable, safety and the supporting effect of large section roadway supporting can be greatly improved, for soft lane
The supporting in road also has preferable supporting effect.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of big cross section is along empty coal roadway support device, which is characterized in that it includes supporting lane side board group part, supporting roof group
Part, threaded anchor rod component, anchor rope component and anti-loosening internal tooth anchor rod component, wherein distinguish at the both ends of the supporting roof component
Insertion card sets the upper end for the supporting lane side board group part for being fixed on two sides, and the supporting lane side board group part includes being close to against lane
The lane side supporting plate and the auxiliary supporting plate on the outside of the lane side supporting plate for helping supporting, the auxiliary supporting plate is to the supporting roof group
Part carries out Auxiliary support, and the threaded anchor rod component, anchor rope component are anchored at the top of lane side and tunnel, and the threaded anchor rod
Component, anchor rope component end be fixed on the lane side supporting plate or supporting roof component；The anti-loosening internal tooth anchor pole group
Multiple locking teeths for preventing its axial play out of anchor hole are provided on the excircle of part；
The outer end locking of the anti-loosening internal tooth anchor rod component is arranged in the supporting lane side board group part or supporting roof group
On part.
2. a kind of big cross section according to claim 1 is along empty coal roadway support device, it is characterised in that：The anti-loosening internal tooth
Anchor rod component includes anchoring cartridge, anchor rod and multiple locking teeths, and the anchoring cartridge is set in anchor hole, can in the anchoring cartridge
Sliding is arranged with the anchor rod, and multiple locking teeths, the anchoring cartridge are hingedly provided on the axial direction of the anchor rod
Axial direction on be disposed with multiple perforation slots corresponding with the position of the locking teeth, the locking teeth is limited in institute
Perforation slot is stated, and when the anchor rod is displaced outwardly along the axis direction of the anchoring cartridge, described in the locking teeth stretching
Anchoring cartridge setting, when anchoring to anti-loosening internal tooth anchor rod component, first makes the locking teeth of anti-loosening internal tooth anchor rod component
It is contained in the perforation slot, then protrudes into the anchoring cartridge for being arranged with anchor rod in anchor hole, then, anchor rod is pulled outwardly
Tightly, and by the outer end of anchor rod it is fixed on the supporting lane side board group part or supporting roof component, then in anchor hole
It carries out being pumped into anchoring slurries.
3. a kind of big cross section according to claim 1 is along empty coal roadway support device, it is characterised in that：The supporting roof group
Part includes the upper curved roof, radial support plate and horizontal supporting plate being wholely set, the upper curved roof at the top of tunnel into
Row supporting, the lower end of the upper curved roof are provided with horizontal horizontal supporting plate, the horizontal supporting plate upper surface with it is described
Extend multiple radial support plates of fixed support, institute between upper curved roof lower end surface along the upper curved roof radial direction
Stating radial support plate includes vertical radial plate and the side radial support plate for being symmetrically arranged in the vertical radial plate two sides.
4. a kind of big cross section according to claim 3 is along empty coal roadway support device, it is characterised in that：The auxiliary supporting plate
Top is provided with arcuate socket, and one end of the arcuate socket extends to the side against the horizontal supporting plate, the arcuate socket
The other end extends close to the side of lane side supporting plate, and locking arc bar, the anti-loosening internal tooth anchor pole are arranged in the arcuate socket
The outer end of the anchor rod of component, which is fixed as one, is provided with connection ring, the downside end of the connection ring by connection lasso with it is described
One end connection of arc bar is locked, the other end of the locking arc bar is fixedly installed nut, is provided on the horizontal supporting plate
For the nut receiving hole that the nut protrudes into, the upper surface of the horizontal supporting plate, which is provided with, to be hung in the nut receiving hole
The stop collar in portion, the interior limit of the stop collar are provided with locking stud, and the lower end of the locking stud is protruded into the nut and accommodated
In hole, and the lower end of the locking stud is threadedly coupled with the nut.
5. a kind of big cross section according to claim 4 is along empty coal roadway support device, it is characterised in that：The locking stud is
T-type structure, and the T-type end of the locking stud limits in the stop collar, the excircle on the T-type end of the locking stud
On be provided with multiple handle holes protruded into for operating stick, tighten the locking stud will pass through operating stick, and then realize lock
Tight tension of the arc bar to anchor rod.
6. a kind of big cross section according to claim 1 is along empty coal roadway support device, it is characterised in that：The supporting roof group
Part is arranged with the outside that the insertion of the upper end of the supporting lane side board group part engages place and is fixed with auxiliary fixing member.
7. a kind of big cross section according to claim 6 is along empty coal roadway support device, it is characterised in that：Outside the anchor rod
End is fixed on the lane side supporting plate or upper curved roof using the auxiliary fixing member being arranged on it, and the anchor rod
Outer end also use connection ring and lasso to connect to be arranged on standing screw, the standing screw uses nut fixed strain
On the auxiliary supporting plate or horizontal supporting plate.
8. a kind of big cross section according to claim 6 is along empty coal roadway support device, it is characterised in that：The lane side supporting plate with
Auxiliary supporting plate between be additionally provided with abut each other support against supporting element, the auxiliary supporting plate is close to the one of the lane side supporting plate
Side is additionally provided with the firedamp sensor of monitoring gas.
9. a kind of big cross section according to claim 1 is along empty coal roadway support device, it is characterised in that：The supporting roof group
The insertion junction of part and the supporting lane side board group part is at least provided with one group of anti-loosening internal tooth anchor rod component, the supporting top
The two sides of board group part have been respectively provided at least one group of anti-loosening internal tooth anchor rod component, the middle part of the supporting lane side board group part or
Lower part is at least provided with one group of anti-loosening internal tooth anchor rod component.
10. a kind of big cross section according to claim 4 is along empty coal roadway support device, it is characterised in that：The perforation slot
Cross section is trapezium structure, and the opening of perforation slot is gradually reduced outward from radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650555.9A CN108915741B (en) | 2018-06-22 | 2018-06-22 | A kind of empty coal roadway support device in big cross section edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650555.9A CN108915741B (en) | 2018-06-22 | 2018-06-22 | A kind of empty coal roadway support device in big cross section edge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108915741A true CN108915741A (en) | 2018-11-30 |
| CN108915741B CN108915741B (en) | 2019-10-08 |
Family
ID=64422274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810650555.9A Active CN108915741B (en) | 2018-06-22 | 2018-06-22 | A kind of empty coal roadway support device in big cross section edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108915741B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922640A (en) * | 2021-02-03 | 2021-06-08 | 河南城建学院 | Anchor support combined support body for underground space support |
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2018
- 2018-06-22 CN CN201810650555.9A patent/CN108915741B/en active Active
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|---|---|---|---|---|
| US20070231084A1 (en) * | 2006-03-28 | 2007-10-04 | Price Herbert S | Roof bolt plate |
| CN204919542U (en) * | 2015-07-24 | 2015-12-30 | 云南省建筑科学研究院 | Cusp high pressure slip casting stock |
| CN204920999U (en) * | 2015-09-11 | 2015-12-30 | 华北科技学院 | Along empty top of roadway board supporting device |
| CN205172609U (en) * | 2015-12-10 | 2016-04-20 | 林保东 | Asymmetric supporting device in tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112922640A (en) * | 2021-02-03 | 2021-06-08 | 河南城建学院 | Anchor support combined support body for underground space support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108915741B (en) | 2019-10-08 |
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