CN207472473U - A kind of " sandwich " formula soil pressure cell fixing device - Google Patents
A kind of " sandwich " formula soil pressure cell fixing device Download PDFInfo
- Publication number
- CN207472473U CN207472473U CN201721605211.3U CN201721605211U CN207472473U CN 207472473 U CN207472473 U CN 207472473U CN 201721605211 U CN201721605211 U CN 201721605211U CN 207472473 U CN207472473 U CN 207472473U
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- China
- Prior art keywords
- pressure cell
- soil pressure
- sandwich
- outer tray
- fixing device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002689 soil Substances 0.000 title claims abstract description 64
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000011435 rock Substances 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 230000006837 decompression Effects 0.000 claims abstract description 15
- 238000009966 trimming Methods 0.000 claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 abstract description 48
- 238000009434 installation Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- IOYNQIMAUDJVEI-BMVIKAAMSA-N Tepraloxydim Chemical group C1C(=O)C(C(=N/OC\C=C\Cl)/CC)=C(O)CC1C1CCOCC1 IOYNQIMAUDJVEI-BMVIKAAMSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a kind of " sandwich " formula soil pressure cell fixing device, the steel inner pallet including being placed in rock mass, the reinforcing bar rod piece and top apex of fixed inner pallet；Round pressure box steel outer tray, the bar connecting bar of fixed outer tray；Steel thin-wall pipe is welded with outer tray, and inside setting decompression ring device forms pressure cell accommodating chamber, ensures that both thin-wall tube and the decompressor center of circle are overlapped with chassis；Rubber pad is set close to chassis, setting trimming bolt in top passes through adjusting so that the soil pressure cell surface in accommodating chamber is fitted closely with inner pallet.Inner pallet radius is slightly less than outer tray, and pressure cell surface is slightly below tube wall height, so that it can not slide between the two, the utility model scene convenient for make and it is easy for installation, it can ensure soil pressure cell and the close contact of country rock and pressure cell and lining cutting etc. between the two, so as to accurately measure the contact data between country rock and lining cutting.
Description
Technical field
The utility model is related to a kind of " sandwich " formula soil pressure cell inbuilt devices, are mainly used for Tunnel Engineering, coal mine isolith
Geotechnological journey and underground engineering field.
Background technology
The measurement of contact is an important monitoring measurement project in Tunnel Engineering between country rock lining cutting, is connect by measuring
It touches stress and serves constructing tunnel so as to obtain supporting construction mechanics parameter, ensure safety for tunnel engineering, but due to practical work
Soil pressure cell installation environment is relatively difficult in journey, and soil pressure cell and the contact surface of country rock be practical, and to be bonded effect poor so that soil pressure
There are larger errors for power box data measured.
Data are there are error in pressure from surrounding rock measurement for vibrating-wire pressure cell, such issues that in order to solve, number of patent application
Consolidate for a kind of pressure cell for measuring rock matter country rock-lining cutting contact of utility model in 201610917582.9 Chinese patent
Determine device, a kind of quick device for positioning and securing of pressure cell is disclosed in the Chinese patent of Patent No. 201621088481.7, so
And existing related soil pressure cell allocation method can not be all avoided in measurement data since artificial disturbance, contact surface are not bonded and band
The error come.
It on domestic market, is buried in problem in soil pressure cell, does not occur also a kind of to ensure monitoring data
Accuracy, while simple, easily soil pressure cell fixing device of constructing is made again.
Utility model content
The utility model is intended to provide one kind and is related to a kind of " sandwich " formula soil pressure cell inbuilt device, quick and easy for installation,
Contact surface good fit, data measured are true and reliable.
In order to realize the purpose of the present apparatus, the scheme that the utility model uses for：
A kind of " sandwich " formula soil pressure cell fixing device, including the inner pallet being placed in inside rock mass and is fixed on outside ground
Outer tray；In the inner wall setting decompression ring device of the outer tray；Pressure is formed inside the decompression ring device
Box accommodating chamber；The rubber pad being fitted on outer tray inner wall is equipped with close to outer tray side inside the decompression ring device；
The outer tray is equipped with trimming bolt, and the trimming bolt causes the soil pressure cell surface being located in accommodating chamber and Neto
Disk fits closely.
Further, the outer tray include pedestal and the bar connecting bar for being arranged on chassis outer side center and
The thin-wall tube being arranged on on the inside of pedestal, the pressure-reducing ring shape dress, which is put, to be arranged in thin-wall tube.
Further, the rubber being fitted on the inner wall of chassis is equipped with close to chassis side inside the decompression ring device
Pad.
Further, the pedestal, thin-wall tube and decompression ring device three are arranged concentrically.
Further, inner pallet fitting ground side is set there are one reinforcing bar rod piece, and top is pointed；Steel Neto
Disk is placed in by elongated and top apex reinforcing bar in rock mass, ensures that contact surface is open and flat.
Further, outer tray is connected on reinforcing bar rod piece horizontal welding on steel arch-shelf, convenient for the placement of soil pressure cell, length
25cm is best.
Further, on the chassis set 4 two-by-two symmetrical screw hole, angle be 90 °, for make pressure cell with
The trimming bolt that inner pallet fits closely, and it is concordant with rubber pad at the top of bolt.
Further, the reinforcing bar rod length selected as 25cm of fixed outer tray.
Further, the reinforcing bar rod length selected as 15cm of fixed inner pallet.
Further, the reinforcing bar rod piece top apex of fixed inner pallet, it is easier to which inner pallet is placed among rock mass, and is reduced
Disturbance for the extraneous soil body.
Further, the cyclic annular steel wall pipe of outer tray is slightly above the total height 1-2mm of inner rubber pad and soil pressure cell.
Further, inner pallet radius 1-2mm small compared with accommodating chamber radius, avoiding the barrier of decompressor leads to DATA REASONING
Error.
Specifically, the method for embedding of above-mentioned " sandwich " formula soil pressure cell, as follows：
Soil pressure cell is clipped in the middle with inside and outside two teel pallets, and inner pallet is inserted into and intends surveying in the soil body, outer tray weldering
It is connected on grid steel arch-shelf, by fitting closely for the soil pressure cell that is located in outer tray cavity and inner pallet, so as to obtain
Required mechanics parameter.The device solve thes problems, such as that soil body rigidity is poor, be squeezed easy Plastic Flow, avoids injection
Concrete work leads to the run-off the straight of pressure cell working face and squeezes the possibility of soil pressure cell, and it is accurate to substantially increase experiment
Degree.
Compared with existing measuring device, the utility model device has the following advantages：
(1) this experimental provision provides a kind of pressure cell fixing device of horizontal measurement country rock-lining cutting contact, passes through
Pressure cell level can be fixed on steel reinforcement cage by the bar connecting bar of outer tray, simplicity quick for installation, and be easy to fixing device, be subtracted
Few artificial disturbance to the soil body.
(2) this experimental provision includes inner pallet, pressure from surrounding rock can be made to pass through tray surface by inner pallet and be transferred to pressure
Box surface, the two contact surface is smooth, avoids due to the data error of the uneven generation of contact surface.
(3) setting of the annular steel wall pipe and ring-shaped rubber decompressor in this experimental provision on outer tray, can make pressure
Power box, which is squeezed effect in gunite concrete, leads to the mistake of measurement data.
(4) this experimental provision China and foreign countries tray bottom setting rubber pad, by adjust trimming bolt make pressure cell surface with it is interior
Pallet fits closely.
(5) steel inner pallet is approached with soil pressure cell material stiffness, can be further ensured that the accuracy of metric data.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.
Attached drawing 1 is the structure diagram of the present apparatus.
Attached drawing 2 is the outer tray schematic three dimensional views of the present apparatus.
Attached drawing 3 is the inner pallet schematic three dimensional views of the present apparatus.
Attached drawing 4 is the outer tray base schematic diagram of the present apparatus.
In figure：1-1 outer trays, 1-2 bolts, 1-3 rubber pads, 1-4 reserve string holes road, 1-5 decompressions ring device, 1-6 pressures
Power box accommodating chamber；2-1 bar connecting bars, 2-2 thin-wall tubes, 3-1 inner pallets, 3-2 reinforcing bar rod pieces, 3-3 tops；4-1 outer trays bottom
Seat, 4-2 threaded holes.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, buried in problem in soil pressure cell in the prior art, also not occurring one kind can
Enough ensure the accuracy of monitoring data, while make simple, easily soil pressure cell fixing device of constructing again., in order to solve such as
The technical issues of upper, present applicant proposes a kind of " sandwich " formula soil pressure cell inbuilt devices.
In a kind of typical embodiment of the application, as shown in Figure 1, a kind of " sandwich " formula soil pressure cell inbuilt device,
It is mainly made of three parts, the inner pallet 3-1 in the soil body, steel chord type soil pressure cell and the outer bracket being fixed on steel reinforcement cage
Soil pressure cell is clipped in the middle by disk 1-1, inside and outside two teel pallets；Outer tray includes steel tube wall, and setting rubber pad in bottom is interior
The circumferential device of setting decompression, soil pressure cell data line are connected external by string holes；Inner pallet includes chassis and is inserted into intend surveying soil
Reinforcing bar in body, and top apex, facilitate insertion into the soil body；Detailed process is：It will intend surveying soil body surface leveling first, be inserted into Neto
Disk, and inner pallet is made to be in close contact with the soil body, and pallet face must be vertical with intending pressure measurement force direction；Then it is sequentially placed into soil pressure
Box and outer tray, the process should be noted that inner pallet, earth pressure gauge and outer tray contact surface must be close to fix soil pressure cell, make
Can not slide；Finally outer tray steel stem is welded on grillage, completes installation.In addition, due to pressure cell smooth one
Face is working face, and the face must be directed towards inner pallet during installation.
The utility model patent is further detailed below in conjunction with the accompanying drawings；The present invention includes being placed in the steel of rock mass
Inner pallet 3-1, for fixing the reinforcing bar rod piece 3-2 of inner pallet, top 3-3 tips；Round pressure box steel outer tray 4-1 is used
In the bar connecting bar 2-1 of fixed outer tray；
Steel thin-wall pipe 2-2 and outer tray pedestal 4-1 is welded, and inside setting decompression ring device 1-5, which forms pressure cell, to be held
It receives chamber 1-6, ensures that both thin-wall tube 2-2 and decompressor the 1-5 center of circle are overlapped with chassis；It will be worn line in advance before placement force box
Reserved string holes road 1-4 is crossed, rubber pad 1-3, top setting trimming bolt 1-2 is set to pass through adjusting so that positioned at appearance close to chassis
Receive the soil pressure cell surface of intracavitary fits closely with inner pallet.The utility model scene is convenient for making and easy for installation, Neng Gouzhun
Really measure the contact data between country rock and lining cutting.
Preferably, the steel inner pallet is placed in by elongated and top apex reinforcing bar in rock mass, ensures to connect
Contacting surface is open and flat.
Preferably, outer tray is connected on reinforcing bar rod piece horizontal welding on steel arch-shelf, long convenient for the placement of soil pressure cell
It is best to spend 25cm.
Preferably, outer bracket tray bottom sets 4 symmetrical screw holes two-by-two, and angle is 90 °, for making pressure cell
The trimming bolt fitted closely with inner pallet, and it is concordant with rubber pad at the top of bolt.
Preferably, the reinforcing bar rod length selected as 25cm of fixed outer tray.
Preferably, the reinforcing bar rod length selected as 15cm of fixed inner pallet.
Preferably, the reinforcing bar rod piece top apex of fixed inner pallet, it is easier to inner pallet is placed among rock mass, and
Reduce the disturbance for the extraneous soil body.
Preferably, the cyclic annular steel wall pipe of outer tray is slightly above the total height 1- of inner rubber pad and soil pressure cell
2mm, it is highly preferred that higher than 1mm.
Preferably, inner pallet radius 1-2mm small compared with accommodating chamber radius advanced optimizes selection 1mm, avoids depressurizing
The barrier of device leads to DATA REASONING error.
Specific application method, step are：
1) it selects point position and will intend surveying soil body surface leveling, inner pallet is manually stretched into rock by operator with top apex
In body, inner pallet is made to be in close contact with the soil body, and pallet face must be vertical with intending pressure measurement force direction, is avoided as possible in operating process
Larger artificial disturbance is generated to the soil body；
2) soil pressure cell outer tray device is assembled, adjusts 4 trimming bolts so that the top of trimming bolt and rubber pad
Ground is concordant, places decompression ring device, that is, rubber ring, soil pressure cell data line then is passed through string holes, places soil pressure
Box；
3) outer tray is welded on grillage by operator, and inner pallet is made to be placed exactly in accommodating chamber and not contact and is subtracted
Rubber device is pressed, avoids being influenced by rubber ring in measurement process；
4) operator adjusts trimming bolt so that soil pressure cell contact surface is fitted closely with inner pallet, and after-pouring coagulation
Soil.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of " sandwich " formula soil pressure cell fixing device, which is characterized in that including the inner pallet being placed in inside rock mass and fixation
Outer tray outside ground；In the inner wall setting decompression ring device of the outer tray；In the decompression ring device
Portion forms pressure cell accommodating chamber；It is equipped with and is fitted on outer tray inner wall close to outer tray side inside the decompression ring device
Rubber pad；The outer tray is equipped with trimming bolt, and the trimming bolt causes the soil pressure cell being located in accommodating chamber
Surface is fitted closely with inner pallet.
2. " sandwich " formula soil pressure cell fixing device as described in claim 1, which is characterized in that the outer tray includes one
Pedestal, the bar connecting bar for being arranged on chassis outer side center and the thin-wall tube being arranged on on the inside of pedestal, the decompression
Ring device is arranged in thin-wall tube.
3. " sandwich " formula soil pressure cell fixing device as claimed in claim 2, which is characterized in that the pedestal, thin-wall tube
It is arranged concentrically with decompression ring device three.
4. " sandwich " formula soil pressure cell fixing device as claimed in claim 2, which is characterized in that the outer tray is connected with reinforcing bar
Extension bar level is welded on steel arch-shelf.
5. " sandwich " formula soil pressure cell fixing device as claimed in claim 2, which is characterized in that set 4 on the pedestal
A screw hole symmetrical two-by-two, angle are 90 °, for the trimming bolt for fitting closely pressure cell and inner pallet, and bolt top
Portion is concordant with rubber pad.
6. " sandwich " formula soil pressure cell fixing device as claimed in claim 2, which is characterized in that the reinforcement rod of fixed outer tray
Part length selected as 25cm.
7. " sandwich " formula soil pressure cell fixing device as described in claim 1, which is characterized in that the cyclic annular steel wall pipe of outer tray
The slightly above total height 1-2mm of inner rubber pad and soil pressure cell.
8. " sandwich " formula soil pressure cell fixing device as described in claim 1, which is characterized in that the inner pallet fitting rock
Native side is set there are one reinforcing bar rod piece, and top is pointed.
9. " sandwich " formula soil pressure cell fixing device as claimed in claim 8, which is characterized in that the reinforcement rod of fixed inner pallet
Part length selected as 15cm.
10. " sandwich " formula soil pressure cell fixing device as described in claim 1, which is characterized in that inner pallet radius relatively accommodates
The small 1-2mm of chamber radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721605211.3U CN207472473U (en) | 2017-11-27 | 2017-11-27 | A kind of " sandwich " formula soil pressure cell fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721605211.3U CN207472473U (en) | 2017-11-27 | 2017-11-27 | A kind of " sandwich " formula soil pressure cell fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472473U true CN207472473U (en) | 2018-06-08 |
Family
ID=62258631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721605211.3U Expired - Fee Related CN207472473U (en) | 2017-11-27 | 2017-11-27 | A kind of " sandwich " formula soil pressure cell fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207472473U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110016904A (en) * | 2019-05-29 | 2019-07-16 | 成都理工大学 | A kind of fixed device of protection for Rock And Soil pressure test pressure cell |
| CN111521313A (en) * | 2020-05-08 | 2020-08-11 | 东南大学 | Soil pressure box mounting device and method |
| CN113482065A (en) * | 2021-07-12 | 2021-10-08 | 中国石油大学(北京) | Device and method for measuring soil disturbance transverse pressure in pile pipe mud entering process |
-
2017
- 2017-11-27 CN CN201721605211.3U patent/CN207472473U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110016904A (en) * | 2019-05-29 | 2019-07-16 | 成都理工大学 | A kind of fixed device of protection for Rock And Soil pressure test pressure cell |
| CN110016904B (en) * | 2019-05-29 | 2023-11-28 | 成都理工大学 | Protection fixing device for rock-soil body pressure test pressure box |
| CN111521313A (en) * | 2020-05-08 | 2020-08-11 | 东南大学 | Soil pressure box mounting device and method |
| CN113482065A (en) * | 2021-07-12 | 2021-10-08 | 中国石油大学(北京) | Device and method for measuring soil disturbance transverse pressure in pile pipe mud entering process |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |