CN206177492U - Measure rock matter country rock lining cutting contact force's pressure cell fixing device - Google Patents
Measure rock matter country rock lining cutting contact force's pressure cell fixing device Download PDFInfo
- Publication number
- CN206177492U CN206177492U CN201621144070.5U CN201621144070U CN206177492U CN 206177492 U CN206177492 U CN 206177492U CN 201621144070 U CN201621144070 U CN 201621144070U CN 206177492 U CN206177492 U CN 206177492U
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- Prior art keywords
- pressure
- pressure cell
- rock
- country rock
- fixing device
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Abstract
The utility model discloses a measure rock matter country rock lining cutting contact force's pressure cell fixing device, hold in the palm including being annular pressure cassette holder, the outer peripheral face that the pressure cassette holder held in the palm all is equipped with a plurality of fixed support arm that are used for setting firmly on the country rock along circumference, be equipped with pressure reducing ring on the terminal surface that the pressure cassette holder held in the palm, pressure reducing ring 's axis is consistent with the axis orientation that the pressure cassette holder held in the palm, pressure reducing ring 's the hold cavity of well cavity for being used for placing the pressure cell, and the one side that the pressure cassette holder held in the palm that is close to that holds the cavity is equipped with the pitch bag that is used for with the country rock contact, still be equipped with and be used for injecing the stop device in holding the cavity with the pressure cell. The utility model discloses but accurate determination of rock matter country rock lining cutting contact force satisfies contact force and measures accuracy, simple structure, the swift auxiliary fixture of simple to operate.
Description
Technical field
This utility model belongs to the measurement auxiliary equipment of the supporting of the underground engineerings such as colliery, Tunnel Engineering, hydraulic engineering, especially
It is related to a kind of pressure cell fixing device of measurement rock matter country rock-lining cutting contact pressure.
Background technology
In constructing tunnel, the contact pressure of country rock-lining cutting belongs to one of selective-test item.But for enclosing for rock matter country rock
Rock-lining cutting contact pressure measurement, at present because its contact pressure is measured from steel chord type soil pressure cell, in measurement
It is difficult to pressure cell and country rock scar is brought into close contact, even if is brought into close contact because country rock is rock matter, by string wire pressure cell principle
Understand, it is difficult to accurately measure pressure from surrounding rock, simultaneously because the contraction of concrete, is tightly wrapped in the side of pressure cell, can cause
The serious distortion of measurement data even mistake.
For vibrating-wire pressure cell to rock matter country rock-inaccurate situation of lining cutting contact pressure measurement, Patent No.
A kind of fixing device for being vertically arranged soil pressure cell is disclosed in the Chinese patent of CN201420351029.X, in subgrade engineering prison
It is used for the fixation of soil pressure cell in survey, the utility model discloses one in the Chinese patent of Patent No. CN201410300017.9
The fixing device of horizontally disposed soil pressure cell is planted, the fixation of soil pressure cell is used in subgrade engineering monitoring works.Patent No.
A kind of pressure cell fixing device is disclosed in the Chinese patent of CN201220698095.5, it is provided with pressure cell on steel plate
Groove, several setscrew holes, several screws and iron wire.Pressure cell groove is used to lay pressure cell, and setscrew hole is used for through swollen
Swollen screw, screw can be screwed into steel plate, and iron wire is fixed on screw.In a word, existing rock matter country rock-lining cutting soil pressure cell fixes dress
Only, fixing device applicable to soil property country rock has change, side concrete shrinkage shadow to regional stress state to be measured to put generally existing
The problems such as sound is not paid attention to, actual monitoring effect is undesirable, is unfavorable for the popularization and application in Practical Project.
Utility model content
The purpose of this utility model is to provide a kind of using string wire pressure cell to solve problems of the prior art
Can Accurate Determining rock matter country rock-lining cutting contact pressure, meet that contact pressure measurement is accurate, simple structure is quick and easy for installation
Auxiliary fixing device.
For achieving the above object, the technical scheme that this utility model is adopted is：One kind measurement rock matter country rock-lining cutting contact
The pressure cell fixing device of pressure, including pressure cell receptacle in a ring, the outer peripheral face of pressure cell receptacle is circumferentially equipped with many
The individual fixed support arm for being installed on country rock；One end face of pressure cell receptacle is provided with pressure-reducing ring, the axis of pressure-reducing ring
It is consistent with the axis direction of pressure cell receptacle, the middle cavity of pressure-reducing ring be for the accommodating cavity of placement force box, it is described
The side of the close pressure cell receptacle of accommodating cavity is provided with the Colophonium capsule for contacting with country rock；It is additionally provided with for pressure cell to be limited
The stopping means being scheduled in accommodating cavity.
Used as preferred scheme, the stopping means include three be circumferentially each provided at pressure-reducing ring outer surface spacing
Arm, spacing support arm be in inverted L shape, it includes horizontal segment and vertical section, and vertical section is vertically set in pressure cell receptacle, horizontal segment with
Pressure-reducing ring upper end keeps at a certain distance away, and offers the first spacing hole and the second spacing hole on horizontal segment and vertical section respectively.
Used as preferred scheme, the quantity of the fixed support arm is three, is offered on fixed support arm for installing expansion
The fixing hole of bolt.
Used as preferred scheme, the length of the fixed support arm is 28-32cm.
Used as preferred scheme, the length of the fixed support arm is 30cm.
Used as preferred scheme, the pressure cell receptacle is made using steel material.
Used as preferred scheme, the pressure-reducing ring is made up of cellular foam plastics.
Used as preferred scheme, one end of the fixed support arm offers tenon, offer in pressure cell receptacle for
The tongue-and-groove that the tenon is adapted.
Compared with prior art, the beneficial effects of the utility model are：
1st, pressure cell receptacle is tightly fixed on country rock by fixed support arm, forms the sharp channel of reliable biography, Ke Yitong
Excess pressure cassette holder support is tightly fastened circular Colophonium capsule, pressure cell, honeycomb pressure-reducing ring by bolt；Fixed arm length
30cm, reduce expansion bolt affects on the pressure from surrounding rock in region to be measured, and its positioning bolt hole is being fixed apart from pressure cell 25cm
During, make test surfaces avoid the pressure from surrounding rock variation zone caused when expansion bolt is fixed, improve measuring accuracy；
2nd, arranged by Colophonium capsule, it is ensured that the accuracy of pressure cell measurement, simultaneously because the setting of honeycomb pressure-reducing ring subtracts
Impact of the concrete shrinkage to sensor is lacked；Between scar and pressure cell test surfaces place Colophonium capsule, it is to avoid scar rigidity compared with
Big and build-up of pressure box test surfaces cannot form the local stress difference that effectively bending or scar injustice cause；Honeycomb pressure-reducing ring
Setting can efficiently reduce impact of the embedded rear concrete-lined contraction of pressure cell to pressure cell certainty of measurement；
3rd, pressure cell is closely limited in accommodating cavity by stopping means, is prevented in rock matter country rock-lining cutting contact pressure
Pressure cell is moved in the test process of power, it is to avoid affect test effect.
Description of the drawings
Fig. 1 is the top view of this utility model embodiment.
Fig. 2 is the A-A of Fig. 1 to sectional view.
Labelling in figure：1st, pressure cell receptacle, 2, spacing support arm, the 201, first spacing hole, the 202, second spacing hole, 3, decompression
Ring, 4, fixed support arm, 401, fixing hole, 5, accommodating cavity, 6, Colophonium capsule.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
Embodiment：As shown in Figure 1 and Figure 2, a kind of pressure cell fixing device of measurement rock matter country rock-lining cutting contact pressure, bag
Pressure cell receptacle 1 in a ring is included, the outer peripheral face of pressure cell receptacle 1 is circumferentially equipped with three for being installed in consolidating on country rock
Determine support arm 4, fixed support arm 4 is welded on the outer wall surface of pressure cell receptacle 1, and the angle that each two is fixed between support arm 4 is 120 °,
The fixing hole 401 for installing expansion bolt is offered on fixed support arm 4；The length of fixed support arm is 28-32cm, preferably
30cm, fixing hole 401 is 25cm with the spacing of pressure cell, and reduce expansion bolt affects on the pressure from surrounding rock in region to be measured.
One end face of pressure cell receptacle 1 is provided with pressure-reducing ring 3, and pressure-reducing ring 3 is made up of cellular foam plastics.Pressure-reducing ring
3 is in hollow cylindrical, and its wall thickness is 0.5cm；The axis of pressure-reducing ring 3 is consistent with the axis direction of pressure cell receptacle 1, subtracts
The middle cavity of pressure ring 3 is the accommodating cavity 5 for placement force box, the inner wall surface of honeycomb pressure-reducing ring 3 and the outer wall of pressure cell
Surface is brought into close contact, and the side of the close pressure cell receptacle 1 of accommodating cavity 5 is provided with the Colophonium capsule 6 for contacting with country rock, in rock
Colophonium capsule is placed between face and pressure cell test surfaces, it is to avoid scar rigidity is larger and build-up of pressure box test surfaces cannot form effectively curved
The local stress difference that bent or scar injustice causes.
The stopping means for being limited to pressure cell in accommodating cavity 5 are additionally provided with, stopping means include three circumferentially
The spacing support arm 2 of the outer surface of pressure-reducing ring 3 is each provided at, spacing support arm 2 is in inverted L shape, and it includes horizontal segment and vertical section, vertical section
It is vertically set in pressure cell receptacle 1, horizontal segment keeps at a certain distance away with the upper end of pressure-reducing ring 3, on horizontal segment and vertical section respectively
The first spacing hole 201 and the second spacing hole 202 are offered, the second spacing hole 202 is 1- apart from the vertical dimension of pressure cell receptacle 1
3cm, it is therefore preferable to 2cm.Pressure cell is closely limited in accommodating cavity 5 by stopping means, prevents from being pressed in test process
Power box is moved, and affects test effect.
One end of fixed support arm 4 offers tenon, and the tenon for being adapted with the tenon is offered in pressure cell receptacle 1
Groove.
By arranging caging bolt so that pressure cell, the and of Colophonium capsule 6 in the first spacing hole 201 and the second spacing hole 202
Country rock crag is brought into close contact, spaced apart for 1cm between horizontal segment and pressure cell.
Pressure cell receptacle 1 is made from steel material, its diameter 1cm bigger than the diameter of pressure cell.
When concrete embedded, first pressure cell is enclosed within honeycomb pressure-reducing ring, one end of the close scar of pressure cell adds Colophonium capsule
It is brought into close contact with rock mass, fixing device is integrally enclosed within outside honeycomb pressure-reducing ring, by arranges in the fixing hole of fixed support arm 4
Expansion bolt is so that this fixing device is fixed with rock mass, then makes pressure cell, Colophonium capsule and rock mass tight by adjusting caging bolt
Laminating.
Operation principle of the present utility model is：It is with pressure cell receptacle and fixed support arm that pressure cell, Colophonium capsule, pressure-reducing ring is common
With being fixed on rock mass surface, fixed arm length 30cm, the fixing hole for opening up thereon apart from pressure cell 25cm, in fixation procedure
In, make test surfaces avoid the pressure from surrounding rock variation zone caused when expansion bolt is fixed, improve measuring accuracy；Simultaneously in scar and pressure
Colophonium capsule is placed between power box test surfaces, it is to avoid scar rigidity is larger and build-up of pressure box test surfaces cannot form effectively bending or rock
The local stress difference that face injustice causes；The setting of pressure-reducing ring can efficiently reduce the embedded rear concrete-lined receipts of pressure cell
Impact of the contracting to pressure cell certainty of measurement.Colophonium capsule herein is the pouch for filling Colophonium, and its volume is easily deformed.
Claims (8)
1. it is a kind of measurement rock matter country rock-lining cutting contact pressure pressure cell fixing device, it is characterised in that：Including pressure in a ring
Power cassette holder support（1）, pressure cell receptacle（1）Outer peripheral face be circumferentially equipped with multiple fixed support arms for being installed on country rock
（4）；Pressure cell receptacle（1）An end face be provided with pressure-reducing ring（3）, axis and the pressure cell receptacle of pressure-reducing ring（1）In
Axis direction is consistent, pressure-reducing ring（3）Middle cavity be for the accommodating cavity of placement force box（5）, the accommodating cavity（5）
Close pressure cell receptacle（1）Side be provided with Colophonium capsule for contacting with country rock（6）；It is additionally provided with for pressure cell to be limited
In accommodating cavity（5）Interior stopping means.
2. it is according to claim 1 it is a kind of measurement rock matter country rock-lining cutting contact pressure pressure cell fixing device, its feature
It is：The stopping means are circumferentially each provided at pressure-reducing ring including three（3）The spacing support arm of outer surface（2）, spacing support arm
（2）In inverted L shape, it includes horizontal segment and vertical section, and vertical section is vertically set on pressure cell receptacle（1）On, horizontal segment with decompression
Ring（3）Upper end keeps at a certain distance away, and offers the first spacing hole on horizontal segment and vertical section respectively（201）With the second spacing hole
（202）.
3. it is according to claim 2 it is a kind of measurement rock matter country rock-lining cutting contact pressure pressure cell fixing device, its feature
It is：The fixed support arm（4）Quantity be three, fixed support arm（4）On offer fixing hole for installing expansion bolt
（401）.
4. it is according to claim 3 it is a kind of measurement rock matter country rock-lining cutting contact pressure pressure cell fixing device, its feature
It is：The fixed support arm（4）Length be 28-32cm.
5. it is according to claim 4 it is a kind of measurement rock matter country rock-lining cutting contact pressure pressure cell fixing device, its feature
It is：The fixed support arm（4）Length be 30cm.
6. it is according to claim 1 it is a kind of measurement rock matter country rock-lining cutting contact pressure pressure cell fixing device, its feature
It is：The pressure cell receptacle（1）Made using steel material.
7. it is according to claim 1 it is a kind of measurement rock matter country rock-lining cutting contact pressure pressure cell fixing device, its feature
It is：The pressure-reducing ring（3）It is made up of cellular foam plastics.
8. it is according to claim 1 it is a kind of measurement rock matter country rock-lining cutting contact pressure pressure cell fixing device, its feature
It is：The fixed support arm（4）One end offer tenon, pressure cell receptacle（1）On offer for mutually fitting with the tenon
The tongue-and-groove matched somebody with somebody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144070.5U CN206177492U (en) | 2016-10-21 | 2016-10-21 | Measure rock matter country rock lining cutting contact force's pressure cell fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144070.5U CN206177492U (en) | 2016-10-21 | 2016-10-21 | Measure rock matter country rock lining cutting contact force's pressure cell fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177492U true CN206177492U (en) | 2017-05-17 |
Family
ID=58680438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621144070.5U Expired - Fee Related CN206177492U (en) | 2016-10-21 | 2016-10-21 | Measure rock matter country rock lining cutting contact force's pressure cell fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177492U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370335A (en) * | 2016-10-21 | 2017-02-01 | 洛阳理工学院 | Pressure box fixing device for measuring surrounding rock-lining contact pressure of rock |
| CN107462354A (en) * | 2017-07-17 | 2017-12-12 | 山东中宏路桥建设有限公司 | Pressure from surrounding rock monitoring device |
| CN109297827A (en) * | 2018-10-08 | 2019-02-01 | 上海应用技术大学 | Coke oven tamping tool rises case power test bracket |
| CN109990932A (en) * | 2019-04-03 | 2019-07-09 | 辽宁工程技术大学 | A kind of fixed device of Tunnel Surrounding Rock Pressure meter |
| CN110176346A (en) * | 2019-06-08 | 2019-08-27 | 南京绿力科技有限责任公司 | An a kind of harmonic elimination apparatus |
-
2016
- 2016-10-21 CN CN201621144070.5U patent/CN206177492U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370335A (en) * | 2016-10-21 | 2017-02-01 | 洛阳理工学院 | Pressure box fixing device for measuring surrounding rock-lining contact pressure of rock |
| CN106370335B (en) * | 2016-10-21 | 2022-06-28 | 洛阳理工学院 | Pressure box fixing device for measuring rock surrounding rock-lining contact pressure |
| CN107462354A (en) * | 2017-07-17 | 2017-12-12 | 山东中宏路桥建设有限公司 | Pressure from surrounding rock monitoring device |
| CN109297827A (en) * | 2018-10-08 | 2019-02-01 | 上海应用技术大学 | Coke oven tamping tool rises case power test bracket |
| CN109990932A (en) * | 2019-04-03 | 2019-07-09 | 辽宁工程技术大学 | A kind of fixed device of Tunnel Surrounding Rock Pressure meter |
| CN110176346A (en) * | 2019-06-08 | 2019-08-27 | 南京绿力科技有限责任公司 | An a kind of harmonic elimination apparatus |
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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: 20170517 Termination date: 20171021 |