CN209293826U - A kind of roadway support device - Google Patents
A kind of roadway support device Download PDFInfo
- Publication number
- CN209293826U CN209293826U CN201920030381.6U CN201920030381U CN209293826U CN 209293826 U CN209293826 U CN 209293826U CN 201920030381 U CN201920030381 U CN 201920030381U CN 209293826 U CN209293826 U CN 209293826U
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- China
- Prior art keywords
- anchor
- support beam
- curved support
- anchor cable
- roadway
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Abstract
The utility model discloses a kind of roadway support devices, including curved support beam, the anchor cable being connect with curved support beam and anchor net for fixing wall, it is provided with and is connect with anchor cable, to fix curved support beam in the first anchor cable hole of wall on curved support beam, is provided between curved support beam and anchor net for compressing anchor net in the buffer stopper in wall.Curved support beam can compress anchor net in wall by buffer stopper, play the role of fixed support, prevent roadway deformation, and buffer stopper can disperse the pressure from curved support beam that anchor net is subject to, it is more uniformly stressed anchor net, it avoids anchor net local pressure excessive and damages, guarantee stability when anchor net supporting roadway, roadway support device provided by the utility model stablizes the supporting in tunnel, reduce roadway deformation degree, after frame I-steel shed due to roadway deformation is serious is not needed, is reduced costs, and then improve the economic benefit of mine.
Description
Technical field
The utility model relates to coal road deep-well support technology fields, more specifically to a kind of roadway support device.
Background technique
With the increase of pit mining depth, the natural calamities such as mine pressure, Gas Outburst are also following, administer at present
The means of gas are two methods of exploitation protective layer and pre- pumping coal-bed gas, and exploitation protective layer will need certain condition；And it is pre-
Taking out coal-bed gas is a kind of general regions gas control means, height it is prominent adopt face machine air way construct this coal bed drilling be a kind of row it
Effective method, however have strict requirements to drift section in machine air way this coal bed drilling of constructing, to guarantee that drilling machine can be normal
Construction.Section width is not less than 4.6 meters, is highly not less than 3 meters.However big cross section becomes in deep-well supporting as another technology hardly possible
Topic, buried depth is big, and section is big, and usually supporting is difficult, after bolt-mesh-anchor support, also needs after frame work in the serious location of roadway deformation
Word steel shed, it is time-consuming and laborious, it causes mine maintenance cost high, restricts the economic benefit of mine.
It is current those skilled in the art in conclusion how to provide a kind of roadway support device at low cost, stability is high
Member's urgent problem to be solved.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of roadway support devices at low cost, stability is high.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of roadway support device, including curved support beam, the anchor cable being connect with the curved support beam and for solid
Determine the anchor net of wall, be provided on the curved support beam connect with the anchor cable, with the fixation curved support beam in institute
The first anchor cable hole of wall is stated, is provided between the curved support beam and the anchor net for compressing the anchor net in described
Buffer stopper in wall.
Preferably, the quantity of first anchor cable hole is three, and three first anchor cable holes are respectively arranged at the arc
The both ends and middle part of shape supporting beam.
Preferably, the buffer stopper is taper liner wood, and the protrusion of the curved support beam is partially toward anchor net place side
To.
Preferably, the second anchor cable hole to match with first anchor cable hole, the taper liner are provided on the taper liner wood
It is wooden to be connect with the curved support beam by the anchor cable.
Preferably, the quantity of the taper liner wood is two, and two opposite taper liner wood of tip are set to the arc
The upper surface at supporting beam both ends.
Preferably, the diameter of first anchor cable hole and second anchor cable hole is 19mm.
Preferably, the quantity of the curved support beam is at least two groups, is passed through between curved support beam described in two adjacent groups
The anchor cable connection.
Preferably, the curved support beam is that 29U fashioned iron suspends linear beam in midair.
Roadway support device provided by the utility model, including curved support beam, the anchor cable being connect with curved support beam with
And the anchor net for fixing wall, it is provided on curved support beam and is connect with anchor cable, to fix curved support beam in wall
The first anchor cable hole, be provided between curved support beam and anchor net for compressing anchor net in the buffer stopper in wall.
Wherein, anchor cable passes through the first anchor cable hole on curved support beam and curved support beam is hung fixation, and curved support
Buffer stopper on beam can compress anchor net in wall, playing the role of fixed support, prevent roadway deformation, and buffer stopper energy
Enough disperse the pressure from curved support beam that anchor net is subject to, is more uniformly stressed anchor net, avoids anchor net local pressure excessive
And damage, guarantee stability when anchor net supporting roadway, roadway support device provided by the utility model is steady to the supporting in tunnel
It is fixed, roadway deformation degree is reduced, the after frame consuming more I-steel shed of material due to roadway deformation is serious is not needed, reduces
Material cost and later maintenance cost, and then improve the economic benefit of mine.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the scheme of installation of roadway support device provided by the utility model；
Fig. 2 is sectional view when roadway support device provided by the utility model is mounted in tunnel；
Fig. 3 is the structural schematic diagram of taper liner wood provided by the utility model.
In Fig. 1-3:
1 be 29U fashioned iron suspend in midair linear beam, 2 be taper liner wood, 3 be anchor cable, 4 be the second anchor cable hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of roadway support device at low cost, stability is high.
Fig. 1~3 is please referred to, Fig. 1 is the scheme of installation of roadway support device provided by the utility model；Fig. 2 is this
Sectional view when roadway support device provided by utility model is mounted in tunnel；Fig. 3 is provided by the utility model oblique
The structural schematic diagram of chock.
Roadway support device provided by the utility model, including curved support beam, the anchor cable being connect with curved support beam 3
And the anchor net for fixing wall, it is provided on curved support beam and is connect with anchor cable 3, to fix curved support beam in tunnel
First anchor cable hole of wall is provided with for compressing anchor net in the buffer stopper in wall between curved support beam and anchor net.
Wherein, anchor cable 3 has preferable structural strength generally by steel strand manufacturing, and curved support beam can use steel
Type beam or other performances can satisfy the material structure of requirement, and it using iron wire or steel wire is that material works out networking that anchor net, which is a kind of,
A kind of safeguard of shape.
Curved support beam is fixed on wall by the suspension of anchor cable 3, and is provided between curved support beam and anchor net
Anchor net can be pressed in wall by buffer stopper, buffer stopper under curved support beam action, and the twine of anchor net is made to be close to rock
The fixed effect of support is played in face, can effectively prevent roadway deformation, and buffer stopper can disperse that anchor net is subject to from arc
The pressure of supporting beam is more uniformly stressed anchor net, avoids anchor net local pressure excessive and damages, when guaranteeing anchor net supporting roadway
Stability, roadway support device provided by the utility model stablizes the supporting in tunnel, reduces roadway deformation degree, be not required to
Will after frame expends the more I-steel shed of material due to roadway deformation is serious, reduce material cost and later maintenance cost,
And then improve the economic benefit of mine.
In a kind of specific embodiment about the first anchor cable hole, the quantity of the first anchor cable hole is three, three first
Anchor cable hole is respectively arranged at the both ends and middle part of curved support beam.
It is understood that three the first anchor cable holes are respectively arranged at the both ends and middle part of curved support beam, can make
Curved support beam is more uniformly stressed, and fixed stability is more preferable, will not run-off the straight due to unbalance stress, certainly, first
The quantity of anchor cable hole and specific setting position have no specific restriction, and user can select according to the actual situation.
In a kind of specific embodiment about buffer stopper, buffer stopper is taper liner wood 2, the protrusion part of curved support beam
Towards anchor net direction.
Wherein, the shape gradient of taper liner wood 2 need according to the concrete shape size of curved support beam and setting position into
Row selection, so that taper liner wood 2 can fill up the gap between curved support beam and wall, since taper liner wood 2 is wooden pieces, matter
Ground is softer, will not cause to damage to anchor net, and can also disperse curved support beam to anchor network pressure power, plays the role of allowing pressure,
Pine processing can be used in middle taper liner wood 2, and hardness meets the requirements, naturally it is also possible to other kinds of material, such as rubber are used,
The protrusion of curved support beam is partially toward anchor net direction, i.e., a part of curved support beam can tilt and anchor net when fixed
Between have gap, need taper liner wood 2 to be filled.
In order to which taper liner wood 2 to be fixed on above curved support beam, in this embodiment, it is provided on taper liner wood 2
The second anchor cable hole 4 to match with the first anchor cable hole, taper liner wood 2 are connect with curved support beam by anchor cable 3.
When fixed, anchor cable 3 initially passes through the first anchor cable hole on curved support beam, then passes through the second anchor on taper liner wood 2
Rope hole 4, curved support beam can be held by being typically provided with the fixing pieces such as pallet in the end of anchor cable 3, fixed in order to improve anchor cable 3
Aperture can be arranged in stability in wall in wall, be fixed on out anchor cable 3 by connection types such as Anchor Agents
In hole.
On the basis of above-mentioned specific embodiment, the quantity of taper liner wood 2 is two, two opposite taper liner wood 2 of tip
It is set to the upper surface at curved support beam both ends.
It is understood that there is curved support beam certain radian can make curved support to guarantee uniform force
The midpoint of beam is contacted with wall, then certain gap is had between the both ends and wall of curved support beam, thus is arranged
Two taper liner wood 2, are separately positioned on the both ends of curved support beam, make the uniform force of curved support beam, certainly, taper liner wood 2
Quantity is not limited to two, the taper liner wood 2 of other quantity can also be used, as long as curved support beam and wall can be filled up
Between gap, play the role of that the quantity of pressure is allowed to can be applied in technical solution provided by the utility model.
Preferably, the diameter of the first anchor cable hole and the second anchor cable hole 4 is 19mm, and the diameter of anchor cable 3 needs to be less than the first anchor
The diameter of the second anchor cable hole of Suo Kongyu 4, can select diameter is the anchor cable 3 of 17.8mm, convenient across the first anchor cable hole and second
Anchor cable hole 4.
Since the area of anchor net is larger, multiple groups curved support beam, in this embodiment, curved support beam are needed
Quantity is at least two groups, is connected between two adjacent groups curved support beam by anchor cable 3.The quantity of curved support beam can be according to institute
The area for the wall that need to be supported selects.
On the basis of above-mentioned specific embodiment, curved support beam is that 29U fashioned iron suspends linear beam 1 in midair.
Wherein, U-shaped steel is a kind of steel of transversal image surface English alphabet " U ", mainly has receiving pressure big, supporting time
Long, the features such as being unlikely to deform easy to install, is mainly used for the support of mine laneway, mine laneway secondary supporting and mountain tunnel
Supporting etc..29U fashioned iron is one kind of U-shaped steel, and it is highly 124mm that technical parameter is as follows, material 20mnk, with a thickness of
16mm, reason weight are 29kg/m, and certainly, curved support beam can also use the U-shaped steel of other gauge sizes.
The installation process of roadway support device provided by the utility model during actual construction is as follows, and tunnel buried depth is
750 meters, gas pressure 3.6Mpa, 29U fashioned iron suspend in midair linear beam 1 use length for the 29U fashioned iron bending machining of 3176mm and
At radius of machining 10000mm；The circular hole that three diameters are 19mm is processed at B, C, D in Fig. 1 respectively, for for diameter
Passed through for the anchor cable 3 of 17.8mm, and C to cross point D and perpendicular to the distance of the vertical line of bottom surface be 1289mm, B to mistake point D and vertically
It is 1328mm in the distance of the vertical line of bottom surface, point A is the left end point that 29U fashioned iron suspends linear beam 1 in midair, and point E is that 29U fashioned iron suspends line in midair
Property beam 1 right endpoint, point G is the intersection point of left side anchor cable and wall, and point F is the intersection point of right side anchor cable and wall, and point A arrived
Point D and perpendicular to the distance of the vertical line of bottom surface it is and point E is to crossing point D and perpendicular to the distance of the vertical line of bottom surface be
1500mm, point G are to crossing point D and perpendicular to the distance of the vertical line of bottom surface be and point F is to mistake point D and perpendicular to the vertical line of bottom surface
Distance is also 1500mm, and every anchor cable 3 uses Double tray, is close to the pallet of scar using 300 × 300 × 10mm victory horse special support
Disk, the pallet under 29U fashioned iron use 9# channel steel, the 3 a length of 150mm of exposed channel steel of anchor cable.
Linear beam 1 is suspended in midair in 29U fashioned iron and the gap of wall is tamped using taper liner wood 2.29U fashioned iron suspention is linear
Beam 1 and 3 synchronous construction of anchor pole and anchor cable, for top anchor using the high-strength prompt horse anchor pole of 22 × 2400mm of φ, array pitch is 800 × 780mm；
Help anchor using the high-strength prompt horse anchor pole of 20 × 2400mm of φ, array pitch is 800 × 800mm.Anchor pole is first installed, bolthole construction is completed
Afterwards, resin anchoring agent is sequentially sent to bottom hole in order, then anchor pole is inserted into bolthole, anchor pole is made to withstand resin anchoring
Agent, outer end are good with dedicated roof bolting machine card.Roof bolting machine is started, makes roof bolting machine that body of rod rotation be driven to revolve anchor pole
Enter in resin anchoring agent, Anchor Agent is stirred, until anchor pole reaches projected depth, stirring rotation 26~40 seconds can be moved back
Lower bolt fitting machine waits 30~60 seconds, solidifies to Anchor Agent；When anchor cable 3 is installed, it is inserted into Anchor Agent, withstands anchoring with anchor cable 3
Agent, after Anchor Agent is successively sent into bottom hole in order, a people buttresses anchor cable 3, other people use blender one end card jail anchor cable 3, separately
One end is inserted on anchor cable rig, and then air-supply is started drilling machine and is stirred 26~40 seconds, is waited 30~60 seconds after stopping stirring, to
Anchor Agent solidification；Then anchor net is hung, anchor net is hung and requires smooth and overlap, overlap joint is not less than 100mm, and overlap requires to have
Anchor pole passes through, and Mao Wang lap-joint must use 14# iron wire to prick together at interval of 200mm, and twine is close to scar；Hang up properly the area of anchor net
Anchor pole in domain loads onto the accessories such as pallet, nut and anchor cable pallet, the lockset of being close to scar.It finally carries out 29U fashioned iron and suspends line in midair
Property beam 1 installation, it is 3200mm that 29U fashioned iron, which suspends linear 1 spacing of beam in midair, i.e., every spacing 3200mm installs a 29U fashioned iron suspention
Linear beam 1, two 29U fashioned iron, which suspend in midair between linear beam 1, one group of anchor cable 3.By the wooden 2 and 29U fashioned iron of taper liner suspend in midair linear beam 1 according to
It is secondary to pass through anchor cable 3,29U fashioned iron is finally installed and suspends anchor cable pallet, lockset under linear beam 1 in midair, the tunnel area of required supporting is
14.3m2, top anchor pole 8.8 used, anchor pole 11.3 are helped, anchor cable 3 is 1.9, anchor net 12.2m2, steel band 13.3m, Anchor Agent
Volume 71.4, certainly, above-mentioned dimension data is only a kind of specific embodiment of roadway support device, in practical construction application,
User can select according to demand.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Roadway support device provided by the utility model is described in detail above.It is used herein specifically a
Example is expounded the principles of the present invention and embodiment, this reality that the above embodiments are only used to help understand
With novel method and its core concept.It should be pointed out that for those skilled in the art, not departing from this
Under the premise of utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification are also fallen
Enter in the protection scope of the utility model claims.
Claims (8)
1. a kind of roadway support device, which is characterized in that including curved support beam, the anchor cable being connect with the curved support beam
(3) and the anchor net for fixing wall it, is provided on the curved support beam and connect, with the anchor cable (3) to fix
Curved support beam is stated to be provided between the first anchor cable hole of the wall, the curved support beam and the anchor net for pressing
The tight anchor net is in the buffer stopper in the wall.
2. roadway support device according to claim 1, which is characterized in that the quantity of first anchor cable hole is three,
Three first anchor cable holes are respectively arranged at the both ends and middle part of the curved support beam.
3. roadway support device according to claim 2, which is characterized in that the buffer stopper is that taper liner is wooden (2), the arc
The protrusion of shape supporting beam is partially toward the anchor net direction.
4. roadway support device according to claim 3, which is characterized in that be provided on the taper liner wooden (2) with it is described
The second anchor cable hole (4) that first anchor cable hole matches, the taper liner wooden (2) and the curved support beam pass through the anchor cable (3)
Connection.
5. roadway support device according to claim 4, which is characterized in that the quantity of the taper liner wooden (2) is two, point
The taper liner of opposite two wooden (2) is held to be set to the upper surface at curved support beam both ends.
6. roadway support device according to claim 5, which is characterized in that first anchor cable hole and second anchor cable
The diameter in hole (4) is 19mm.
7. roadway support device according to any one of claims 1 to 6, which is characterized in that the number of the curved support beam
Amount is at least two groups, is connected between curved support beam described in two adjacent groups by the anchor cable (3).
8. roadway support device according to claim 7, which is characterized in that the curved support beam is the suspention of 29U fashioned iron
Linear beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920030381.6U CN209293826U (en) | 2019-01-08 | 2019-01-08 | A kind of roadway support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920030381.6U CN209293826U (en) | 2019-01-08 | 2019-01-08 | A kind of roadway support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293826U true CN209293826U (en) | 2019-08-23 |
Family
ID=67641822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920030381.6U Expired - Fee Related CN209293826U (en) | 2019-01-08 | 2019-01-08 | A kind of roadway support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905559A (en) * | 2019-11-30 | 2020-03-24 | 赵雪莲 | Roof supporting anchor net compactor |
| CN112196596A (en) * | 2020-10-15 | 2021-01-08 | 山东科技大学 | Grouting anchor rod cable combination beam for advanced support of deep broken surrounding rock and support method |
-
2019
- 2019-01-08 CN CN201920030381.6U patent/CN209293826U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905559A (en) * | 2019-11-30 | 2020-03-24 | 赵雪莲 | Roof supporting anchor net compactor |
| CN110905559B (en) * | 2019-11-30 | 2022-04-29 | 赵雪莲 | Roof supporting anchor net compactor |
| CN112196596A (en) * | 2020-10-15 | 2021-01-08 | 山东科技大学 | Grouting anchor rod cable combination beam for advanced support of deep broken surrounding rock and support method |
| CN112196596B (en) * | 2020-10-15 | 2022-04-29 | 山东科技大学 | Grouting anchor rod cable combination beam for advanced support of deep broken surrounding rock and support method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20220108 |