CN205843719U - For roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring - Google Patents
For roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring Download PDFInfo
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- CN205843719U CN205843719U CN201620762060.1U CN201620762060U CN205843719U CN 205843719 U CN205843719 U CN 205843719U CN 201620762060 U CN201620762060 U CN 201620762060U CN 205843719 U CN205843719 U CN 205843719U
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- tray salver
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- surfacanchoring
- fracture
- slide cover
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Abstract
A kind of for roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring, described large deformation pallet includes tray salver, groups of springs and slide cover, described groups of springs is arranged in described tray salver, each spring of described groups of springs is the most identical, the lower end of described spring is fixed on the bottom surface of described tray salver, the opening part of described tray salver arranges the slide cover that can move up and down in tray salver, the upper end of described spring is fixing with described slide cover to be connected, the sidewall of described tray salver has the monitoring mouth for monitoring slide cover displacement, the middle part of described cover plate has hole, cover plate location, hole, tray salver location is had in the middle part of the bottom surface of described tray salver, positioning component sequentially passes through cover plate hole, location and tray salver hole, location and is fixed in roadway surrounding rock to be monitored.This utility model provide a kind of reduce cost, effectively realize to roadway full-fracture-surfacanchoring-rod deformation and pressure for roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring.
Description
Technical field
This utility model belongs to large deformation country rock of soft rock roadway deformation load-bearing monitor and supporting field, relates to a kind of for lane
Road tunneling boring deformation and the large deformation pallet of pressure monitoring.
Background technology
In mining with Geotechnical Engineering, anchor pole (rope) supporting has obtained extensively as a kind of effective support form of fast, economical
General use, and in anchor pole (rope) design of its support, the monitoring of rock deformation and rock deformation pressure is to grasping supporting effect of roadway
And support unit duty has important value, in traditional monitoring, many employing cross distribution point methods and installation flat jack carry out tunnel
The deformation of country rock and load-bearing monitor, not only increase substantial amounts of monitoring expense and put into, and relatively difficult to achieve to roadway full-fracture-surfacanchoring-rod change
Shape and the monitoring of pressure, thus how to utilize the improvement to anchor pole (rope) support system, it is achieved support monitoring integration has weight
Want meaning.
On the other hand, in IV, V class roadway support that " Standard for classification of engineering rock masses " (GB50218-94) is classified, by
Poor in roadway surrounding rock self property, superposition high-ground stress and mining induced stress effect simultaneously, roadway surrounding rock presents the big change of soft rock
Shape feature, uses the rigid protection system in shallow workings cannot adapt to, and support system needs to carry out allowing pressure to adapt to enclose
Rock large deformation.But, owing to the elongation percentage of anchor pole (rope) is typically small, especially anchor cable, when rock deformation exceedes anchor pole
During the permission deflection of (rope), the stress suffered by anchor pole (rope) can be excessive and exceed its ultimate bearing capacity due to deformation, thus
Occur to lose efficacy or phenomenon of rupture.Therefore, by improving merely supporting intensity, and can not should use and allow pressure for soft rock large deformation tunnel
Mode make surrouding rock deformation to be released, improve the support system adaptive faculty to country rock large deformation, could effectively solve soft rock
A Large Deformation Support difficult problem.
Summary of the invention
In order to overcome the monitoring to roadway full-fracture-surfacanchoring-rod deformation and pressure relatively costly, relatively difficult to achieve of existing support system
Deficiency, this utility model provide a kind of reduce cost, effectively realize monitoring to roadway full-fracture-surfacanchoring-rod deformation and pressure for lane
Road tunneling boring deformation and the large deformation pallet of pressure monitoring.
This utility model solves its technical problem and be the technical scheme is that
A kind of for roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring, described large deformation pallet include tray salver,
Groups of springs and slide cover, arrange described groups of springs in described tray salver, each spring of described groups of springs is the most identical, described spring
Lower end be fixed on the bottom surface of described tray salver, the opening part of described tray salver arranges the slide cover that can move up and down in tray salver,
The upper end of described spring is fixing with described slide cover to be connected, and the sidewall of described tray salver has for monitoring slide cover displacement
Monitoring mouth, the middle part of described cover plate has hole, cover plate location, has hole, tray salver location, positioning component in the middle part of the bottom surface of described tray salver
Sequentially pass through cover plate hole, location and tray salver hole, location and be fixed in roadway surrounding rock to be monitored.
Further, the shape of described slide cover is mated with the opening of described tray salver, and described slide cover is along described dish
Box inwall slides up and down.This is a kind of preferably scheme, zerofriction force between slide cover and tray salver inwall, does not connects
Touch.
Further, described tray salver is square, and the side of described tray salver has monitoring mouth, and other three sides of described tray salver are divided
It is not provided with guide rail, described cover plate has the chute coordinated with described guide rail；The program is preferred scheme, and certainly, guide rail is also
Can be other modes；Additionally the shape of tray salver can also select other shapes as required, such as circular etc..
Further, described positioning component is anchor pole and nut, and described anchor pole is through cover plate hole, location and hole, tray salver location
And be fixed in the boring of roadway surrounding rock to be monitored, the bottom of described boring is provided with Anchor Agent, and spiral shell is fixed on the top of described anchor pole
Cap, described nut contacts on described slide cover.
Or: described positioning component is anchor cable and anchorage, and described anchor cable positions hole also through cover plate hole, location and tray salver
Being fixed in the boring of roadway surrounding rock to be monitored, the bottom of described boring is provided with Anchor Agent, and anchorage is fixed on the top of described anchor cable,
Described anchorage contacts on described slide cover.Positioning component can be to select other modes.
Described groups of springs is decorated in array, and the height of spring is identical with the degree of depth of described tray salver.This is also a kind of permissible
The normal method selected, the height of spring can also the degree of depth of described tray salver differ.
Technology of the present utility model is contemplated that: by slide cover under the deformational pressure of surrounding rock that anchor pole or anchor cable are transmitted
Along guide rail compression spring set, the position of slide cover can be observed by monitoring mouth, draw the deflection of roadway surrounding rock, then
In conjunction with the stiffness coefficient of groups of springs, the real-time anchor force of anchor pole or anchor cable can be calculated, thus grasp the work of anchor pole or anchor cable
Make state.Can additionally, the deformation energy of country rock is converted into elasticity by the compression of groups of springs, it is achieved that country rock is allowed
Pressure, improves anchor pole or the anchor cable adaptability to large deformation country rock, prevents from permitting beyond anchor pole or anchor cable owing to surrouding rock deformation is excessive
Permitted deformation values and destroyed.This utility model can well adapt to soft rock large deformation tunnel, not only saves the prison in tunnel
Survey expense, improves the security reliability of anchor system simultaneously.
The beneficial effects of the utility model are mainly manifested in: reduce cost, effectively realize roadway full-fracture-surfacanchoring-rod deformation and pressure
The monitoring of power.
Accompanying drawing explanation
Fig. 1 is for roadway full-fracture-surfacanchoring-rod deformation and the use schematic diagram of the large deformation pallet of pressure monitoring；
Fig. 2 is tray salver schematic diagram.
Fig. 3 is slide cover schematic diagram.
Fig. 4 is partial enlarged drawing at the A of Fig. 2.
In figure, 1-country rock, 2-holes, 3-anchor pole or anchor cable, 4-Anchor Agent, 5-slide cover, 6-tray salver, 7-groups of springs,
8-nut or anchorage, 9-guide rail, 10-monitors mouth.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
With reference to Fig. 1～Fig. 4, a kind of for roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring, described large deformation
Pallet includes tray salver 6, groups of springs 7 and slide cover 5, arranges described groups of springs 7 in described tray salver 6, each of described groups of springs 7
Spring is the most identical, and the lower end of described spring is fixed on the bottom surface of described tray salver 6, and the opening part of described tray salver 6 is arranged can be at tray salver
The slide cover 5 inside moved up and down, the upper end of described spring is fixing with described slide cover 5 to be connected, and the sidewall of described tray salver 6 is opened
Having the monitoring mouth 10 for monitoring slide cover displacement, the middle part of described slide cover 5 has hole, cover plate location, described tray salver 6
Bottom surface in the middle part of have hole, tray salver location, described positioning component sequentially passes through cover plate hole, location and hole being fixed on, tray salver location and treats
In monitoring roadway surrounding rock 1.
Further, the shape of described slide cover 5 is mated with the opening of described tray salver 6, and described slide cover 5 is along described
Tray salver 6 inwall slides up and down.This is a kind of preferably scheme, zerofriction force between slide cover and tray salver inwall, each other
Do not contact.
Further, described tray salver 6 is square, and the side of described tray salver 6 has monitoring mouth 10, other of described tray salver 6
Three sides are respectively equipped with guide rail 9, and described slide cover 5 has the chute coordinated with described guide rail 9；The program is the most square
Case, certainly, guide rail can also be other modes；Additionally the shape of tray salver can also select other shapes as required, round
Shape etc..
Further, described positioning component is anchor pole and nut, and described anchor pole is through cover plate hole, location and hole, tray salver location
And be fixed in the boring of roadway surrounding rock to be monitored, the bottom of described boring is provided with Anchor Agent, and spiral shell is fixed on the top of described anchor pole
Cap, described nut contacts on described slide cover.
Or: described positioning component is anchor cable 3 and anchorage 8, and described anchor cable 3 is through cover plate hole, location and hole, tray salver location
And be fixed in the boring 2 of roadway surrounding rock 1 to be monitored, the bottom of described boring 2 is provided with Anchor Agent 4, and the top of described anchor cable 3 is solid
Determining anchorage 8, described anchorage 8 contacts on described slide cover 5.Positioning component can be to select other modes.
Described groups of springs 7 is decorated in array, and the height of spring is identical with the degree of depth of described tray salver.This is also a kind of permissible
The normal method selected, the height of spring can also the degree of depth of described tray salver differ.
As it is shown in figure 1, the large deformation pallet monitoring deformation of the surrounding rock in tunnel stress of the present utility model, mainly by tray salver 6,
Groups of springs 7 and slide cover 5 form, be provided with in tray salver 6 three road guide rails 9 with together with monitor mouth 10, with anchor pole or anchor cable 3 and nut
Or anchorage 8 supports the use；Described tray salver 6 bottom surface is square eye steel plate, and difference according to requirements, its length of side is
20～40cm, steel plate thickness is 6～10mm, and perforation size is 32～42mm.Tray salver 6 four sides is rectangular steel plates, and steel plate height is
30～50cm, wherein have one monitoring mouth 10 in a steel plate, monitoring mouth width is 10～20mm, and there is country rock monitoring mouth both sides
Deformation and stress scale, inside other three steel plates, centre position is disposed with guide rail 9, and guide rail bottom surface is square, and the length of side is 10
～20mm；The described square steel plate that slide cover 5 is notch at eye and three, perforation size and tray salver 6 perforation size
Unanimously, notch size and guide rail 9 consistent size in tray salver 6, steel plate thickness is 6～10mm；Described groups of springs 7 is by multiple rigidity
The spring composition the most identical with size, and be uniformly distributed in tray salver 6, spring rate K is 10～20N/mm, through for 30 in spring
～60mm, line footpath is 4～10mm；Described groups of springs 7 is welded with all using between tray salver 6 and slide cover 5.
The using method of the large deformation pallet monitoring deformation of the surrounding rock in tunnel stress of the present utility model, concrete steps are such as
Under:
A, in roadway surrounding rock 1 to be monitored construction drill 2, with anchor pole or anchor cable 3 by Anchor Agent in the boring 2 constructed
At the bottom of 4 holes sending into boring 2.
B, connection jumbolter drive anchor pole or anchor cable 3 to stir Anchor Agent 4, after Anchor Agent 4 stirs fully and solidifies, and peace
Load onto large deformation pallet and nut or anchorage 8, and carry out pre-stretch-draw.
C, slide cover 5 side of large deformation pallet connect with nut or anchorage 8, not reversible installation；
D, when anchor pole or anchor cable 3 Shi Hanzhang or country rock 1 are deformed, nut or anchorage 8 will promote slide cover 5 edge
Guide rail 9 to be produced compression by the promotion of slide cover 5 to country rock 1 direction sliding, groups of springs 7, thus realize country rock 1
Deformation allow pressure, allow compressive strain amount can reach 20～30cm according to the difference of pallet thickness, improve anchor pole or anchor cable 3 to enclosing
The adaptive faculty of rock 1 large deformation.
E, in monitoring mouth 10, the slippage of slide cover 5 can be read, this slippage deduction anchor pole or anchor cable apply pre-
The practical distortion amount of country rock 1 can be drawn, in conjunction with the stiffness coefficient of groups of springs 7, according to formula: F after deflection during stress
=nKS, can draw the axle power size of anchor pole or anchor cable 3, namely the size of the supporting power suffered by country rock 1, thus easily
Achieve country rock 1 deformation and the monitoring of stress.Wherein, F-anchor pole or anchor cable axle power；K-spring rate；S-slide cover sliding
Amount；N-spring number.
Claims (6)
1. one kind deforms and the large deformation pallet of pressure monitoring for roadway full-fracture-surfacanchoring-rod, it is characterised in that: described large deformation pallet
Including arranging described groups of springs in tray salver, groups of springs and slide cover, described tray salver, each spring of described groups of springs is homogeneous
With, the lower end of described spring is fixed on the bottom surface of described tray salver, and the opening part of described tray salver arranges and can move up and down in tray salver
Slide cover, the upper end of described spring and described slide cover are fixing to be connected, and the sidewall of described tray salver has for monitoring cunning
The monitoring mouth of dynamic cover plate displacement, the middle part of described cover plate has hole, cover plate location, has tray salver fixed in the middle part of the bottom surface of described tray salver
Hole, position, positioning component sequentially passes through cover plate hole, location and tray salver hole, location and is fixed in roadway surrounding rock to be monitored.
2. as claimed in claim 1 for roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring, it is characterised in that: institute
The opening of the shape and described tray salver of stating slide cover mates, and described slide cover slides up and down along described tray salver inwall.
3. as claimed in claim 2 for roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring, it is characterised in that: institute
Stating tray salver to be square, the side of described tray salver has monitoring mouth, and other three sides of described tray salver are respectively equipped with guide rail, described cover plate
On have the chute coordinated with described guide rail.
4. deforming and the large deformation pallet of pressure monitoring, its feature for roadway full-fracture-surfacanchoring-rod as described in one of claims 1 to 3
Being: described positioning component is anchor pole and nut, described anchor pole is through cover plate hole, location and tray salver hole, location and is fixed on and waits to supervise
Surveying in the boring of roadway surrounding rock, the bottom of described boring is provided with Anchor Agent, the top hold-doun nut of described anchor pole, described nut top
Touch on described slide cover.
5. deforming and the large deformation pallet of pressure monitoring, its feature for roadway full-fracture-surfacanchoring-rod as described in one of claims 1 to 3
Being: described positioning component is anchor cable and anchorage, described anchor cable is through cover plate hole, location and tray salver hole, location and is fixed on and waits to supervise
Surveying in the boring of roadway surrounding rock, the bottom of described boring is provided with Anchor Agent, and anchorage, described anchorage top are fixed in the top of described anchor cable
Touch on described slide cover.
6. deforming and its feature of large deformation pallet of pressure monitoring for roadway full-fracture-surfacanchoring-rod as described in one of claims 1 to 3
Being: described groups of springs is decorated in array, the height of spring is identical with the degree of depth of described tray salver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620762060.1U CN205843719U (en) | 2016-07-18 | 2016-07-18 | For roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620762060.1U CN205843719U (en) | 2016-07-18 | 2016-07-18 | For roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN205843719U true CN205843719U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620762060.1U Active CN205843719U (en) | 2016-07-18 | 2016-07-18 | For roadway full-fracture-surfacanchoring-rod deformation and the large deformation pallet of pressure monitoring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123962A (en) * | 2016-07-18 | 2016-11-16 | 绍兴文理学院 | Large deformation pallet for deformation of the surrounding rock in tunnel monitoring |
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2016
- 2016-07-18 CN CN201620762060.1U patent/CN205843719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123962A (en) * | 2016-07-18 | 2016-11-16 | 绍兴文理学院 | Large deformation pallet for deformation of the surrounding rock in tunnel monitoring |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |