CN206459612U - Soft rock hole wall distortion measurement instrument and soft rock distortion measurement system - Google Patents
Soft rock hole wall distortion measurement instrument and soft rock distortion measurement system Download PDFInfo
- Publication number
- CN206459612U CN206459612U CN201720082628.XU CN201720082628U CN206459612U CN 206459612 U CN206459612 U CN 206459612U CN 201720082628 U CN201720082628 U CN 201720082628U CN 206459612 U CN206459612 U CN 206459612U
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- Prior art keywords
- guide rod
- soft rock
- hole wall
- distortion measurement
- rod
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Abstract
A kind of soft rock hole wall distortion measurement instrument and soft rock distortion measurement system, belongs to ground measuring apparatus.The soft rock hole wall distortion measurement instrument includes drive rod, the guide rod that can be moved along its axis is arranged with drive rod, one end and middle part of guide rod are respectively equipped with fixing device and at least one positioner, the one end of drive rod away from fixing device is provided with measurement apparatus, and fixing device includes at least two telescopic expansion links along guide rod circumferentially；Positioner includes at least two spring leafs along guide rod circumferentially, and one end of each spring leaf is connected with guide rod；Measurement apparatus includes measurement bar and the support bar that one end is hinged with drive rod, and the two ends of support bar in the middle part of guide rod and measurement bar respectively with being hinged.The soft rock hole wall distortion measurement instrument is simple in construction, dismounts, carries and easy to use, can accurately measure its deflection in the case of soft rock softening transform and the local collapse hole of hole wall.The utility model additionally provides a kind of soft rock distortion measurement system.
Description
Technical field
The utility model is related to ground measuring apparatus field, in particular to a kind of soft rock hole wall distortion measurement instrument and
Soft rock distortion measurement system.
Background technology
Soft Rock Body is frequently encountered during underground engineering construction, low intensity, deformation are big, it is soft to meet water because soft rock has
Change the underground engineering construction under the features such as serious and rheological effect is notable, soft rock environment easily to meet with timeliness large deformation or even collapse
The engineering problems such as side, the easily stability to underground engineering is caused a significant threat, in order to improve the security of underground engineering construction,
Avoid producing potential safety hazard, it is necessary to the accurate mechanical characteristics for grasping engineering of surrounding rock, this is also to carry out Stability Analysis of The Surrounding Rock, realize
Rock engineering excavation design and the basis of the scientification of decision-making, it can be seen that, carry out what underground engineering wall rock under soft rock environment was deformed
Accurate measurements are for ensuring that the stability of underground engineering is just provided with significance.
More reliable method is to carry out field monitoring to engineering surrounding rock using ground measuring apparatus in current engineering, especially
It is that deformation monitoring is carried out to country rock using ground deformation detection equipment, then engineering of surrounding rock mechanical characteristics is carried out on this basis
Back analysis.But rock deformation measuring apparatus mostly can not be measured accurately soft rock deformation quantity well, this be by
There is the characteristics of deformation is big, chance water softening is serious in soft rock, soft rock easily forms certain thickness after meeting water softening on rock mass surface
Soft layer is expanded, the intensity and deformation modulus of the soft layer of the expansion are all very low, existing soft rock distortion measurement equipment is in measurement
It is easy to be embedded into the soft layer of the expansion, it is impossible to accurately measure the deflection of soft rock deep hole hole wall.Simultaneously as ground should
The influence of the factor such as power and supporting measure, soft rock medium-length hole hole wall might not axisymmetric deformation occur along aperture, and show
It is only to measure the relative deformation of a certain radially hole wall to have soft rock distortion measurement equipment, can not also realize that different radial direction hole walls become
The independent measurement of shape, it is difficult to the need for meeting use.
Accordingly, it would be desirable to a kind of measuring apparatus for many radial direction deformation that can accurately measure soft rock deep hole hole wall.
Utility model content
The purpose of this utility model is to provide a kind of soft rock hole wall distortion measurement instrument, its can it is serious in soft rock softening and
Drill out the accurate deflection for measuring borehole wall in the case of current situation portion collapse hole.
Another object of the present utility model is to provide a kind of soft rock distortion measurement system, and it can quickly detect soft rock
The deflection of the serious borehole wall of softening.
What embodiment of the present utility model was realized in：
A kind of soft rock hole wall distortion measurement instrument, it includes being arranged with leading of can moving along its axis on drive rod, drive rod
To bar, one end of guide rod, which is connected with the middle part of fixing device, guide rod, is additionally provided with least one positioner, and drive rod is remote
One end of fixing device is provided with measurement apparatus, wherein, fixing device is included along guide rod circumferentially at least two scalable
Expansion link；Measurement apparatus includes measurement bar and support bar, and one end and the drive rod of measurement bar are hinged, the middle part of measurement bar and branch
Strut is hinged, and the one end of support bar away from measurement bar is hinged with guide rod；Positioner is included along guide rod circumferentially extremely
Few two spring leafs, one end of each spring leaf is connected with guide rod.
In the utility model preferred embodiment, spring leaf is shaped as arc, the side court of each spring leaf depression
To guide rod.
In the utility model preferred embodiment, fixing device also include along guide rod circumferentially at least two consolidate
Fixed pole.
In the utility model preferred embodiment, fixing device also includes the first sleeve, and first set jacket casing is located at guiding
On bar and can along guide rod axial movement, each expansion link and fix bar with the first sleeve connection.
In the utility model preferred embodiment, positioner also includes second sleeve, and second sleeve is sheathed on guiding
On bar and can along guide rod axial movement, one end of each spring leaf is connected with second sleeve.
In the utility model preferred embodiment, expansion link includes the body of rod and the nut that can be moved axially along the body of rod.
In the utility model preferred embodiment, drive rod is detachably connected by many quarter butts and constituted, and guide rod is by more
Root hollow stem is detachably connected composition.
In the utility model preferred embodiment, scale is carved with the surface of drive rod and guide rod.
In the utility model preferred embodiment, the quantity of spring leaf is three or four.
The utility model additionally provides a kind of soft rock distortion measurement system, and it includes above-mentioned soft rock hole wall distortion measurement
Instrument, and the reducing motor for driving drive rod to rotate.
The beneficial effect of the utility model embodiment is：The soft rock hole wall distortion measurement instrument that the utility model is provided includes driving
Lever and the guide rod being sheathed on drive rod, guide rod are provided with fixing device and positioner, and drive rod is provided with measurement
Device, fixing device includes at least two telescopic fix bars along guide rod circumferentially；Positioner is included along guiding
At least two first spring leafs of bar circumferentially, measurement apparatus includes measurement bar and support bar, one end of measurement bar and driving
Bar is hinged, and the two ends of support bar are hinged with the middle part of measurement bar and guide rod respectively.Soft rock hole wall distortion measurement instrument structure letter
It is single, it is easy to use, it can accurately measure its deflection in the case where soft rock softens gross distortion and collapse hole occurs.This practicality is new
Type additionally provides a kind of soft rock distortion measurement system, and it can quickly measure the deflection that soft rock softens serious hole wall.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is structure of the soft rock hole wall distortion measurement instrument of the offer of the utility model embodiment 1 in the first working condition
Schematic diagram；
Fig. 2 is the sectional view at A-A in Fig. 1；
Fig. 3 is the sectional view at B-B in Fig. 1；
Fig. 4 is the partial enlarged drawing at G in Fig. 1；
Structure of the soft rock hole wall distortion measurement instrument that Fig. 5 the utility model embodiment 1 is provided in the second working condition is shown
It is intended to；
Fig. 6 is the structural representation for the soft rock hole wall distortion measurement system that the utility model embodiment 2 is provided；
Sectional view in Fig. 7 Fig. 6 at C-C；
Sectional view in Fig. 8 Fig. 6 at D-D.
In figure：001- soft rock hole wall distortion measurement instrument；002- soft rock hole wall distortion measurement systems；100- drive rods；101-
Quarter butt；110- guide rods；111- hollow stems；200- fixing devices；210- expansion links；The 211- bodies of rod；212- nuts；220- is fixed
Bar；The sleeves of 230- first；300- measurement apparatus；310- measurement bars；320- support bars；400- positioners；410- spring leafs；
420- second sleeves；500- reducing motors.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation, the orientation or position relationship of the instruction such as term " interior ", " outer " in description of the present utility model
For based on orientation shown in the drawings or position relationship, or the orientation or position that the utility model product is usually put when using
Relation, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.This
Outside, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
Embodiment 1
It refer to shown in Fig. 1, Fig. 4 and Fig. 5, the present embodiment provides a kind of soft rock hole wall distortion measurement instrument 001, it includes driving
The guide rod 110 that can be moved along its axis is arranged with lever 100, drive rod 100, one end of guide rod 110 is connected with fixation
Device 200, the middle part of guide rod 110 is additionally provided with least one positioner 400, drive rod 100 away from fixing device 200 one
End is provided with measurement apparatus 300.Fixing device 200 includes at least two telescopic expansion links along guide rod 110 circumferentially
210；Measurement apparatus 300 includes measurement bar 310 and support bar 320, and one end and the drive rod 100 of measurement bar 310 are hinged, measurement bar
310 middle part is hinged with support bar 320, and the one end of support bar 320 away from measurement bar 310 is hinged with guide rod 110.Positioner
400 include at least two spring leafs 410 along guide rod 110 circumferentially, one end and the guide rod 110 of each spring leaf 410
Connection.Specifically, in the present embodiment, the outer wall of drive rod 100 is provided with external screw thread, the inwall of hollow guide rod 110 provided with pair
The internal thread answered；Fixing device 200 includes two telescopic expansion links 210 along guide rod 110 circumferentially, and two are stretched
One end of bar 210 is connected with guide rod 110, and positioner 400 includes four spring leafs along guide rod 110 circumferentially
410, and four spring leafs 410 are in cross arrangement.
The soft rock hole wall distortion measurement instrument 001 that the present embodiment is provided in the serious softening transform of soft rock hole wall and can go out current situation
Its deflection is accurately measured in the case of portion's collapse hole.Insert the one end of the soft rock hole wall distortion measurement instrument 001 provided with measurement apparatus 300
When entering into soft rock drilling to be measured, soft rock hole wall distortion measurement instrument 001 is in the first working condition, now measurement bar 310 with
Drive rod 100 is parallel, and subsequent user adjusts the length of two telescopic expansion links 210, and the one end for being directed to bar 110 is consolidated
It is fixed, while compressing four be arranged in the positioner 400 at the middle part of guide rod 110 spring leafs 410 arranged in cross
Drill hole inner wall, by drive rod 100 and the flexible fastening of guide rod 110, and keeps drive rod 100 and guide rod 110 coaxial with drilling
Arrangement；Then user's driving drive rod 100 is oppositely oriented bar 110 and produces relative movement, and drive rod 100 and support bar 320 are common
Same-action drives measurement bar 310 to be rotated to away from the direction of drive rod 100, until measurement bar 310 contacts borehole wall, now soft rock
Hole wall distortion measurement instrument 001 is in the second working condition, and soft rock hole wall distortion measurement instrument 001 is converted to the from the first working condition
During two working conditions, the displacement that drive rod 100 is oppositely oriented the generation of bar 110 is converted into the relative driving of measurement bar 310
The angle that bar 100 is rotated, user is by checking that drive rod 100 is oppositely oriented the displacement that bar 110 is produced, you can calculating is obtained
The displacement that measurement bar 310 is produced during parallel to drive rod 100 to contact borehole wall, so as to calculate the shape for obtaining hole wall
Variable.
The shape of spring leaf 410 in the present embodiment is not limited, as long as can guarantee that soft rock hole wall distortion measurement instrument 001 is inserted into
When in the deep hole opened up on soft rock, spring leaf 410 is mutually compressed with borehole wall.Further, the shape of spring leaf 410
Preferably arc, the side that each spring leaf 410 is recessed is towards guide rod 110.When the insertion of soft rock hole wall distortion measurement instrument 001 is treated
When in the soft rock drilling of survey, the raised side of each spring leaf 410 compresses borehole wall, and four spring leafs 410 coordinate jointly will
The middle part of drive rod 100 and guide rod 110 is flexibly positioned, and helps drive rod 100 and guide rod 110 and drilling coaxial line cloth
Put, because the raised surface of spring leaf 410 has larger surface area, the soft layer of expansion of soft rock inwall formation will not be embedded into
It is interior, it ensure that the middle part of drive rod 100 and guide rod 110 is overlapped with drilling axis line stabilization, so as to ensure measurement apparatus 300
With higher measurement accuracy when being detected to drill hole inner wall difference radial direction deformation.
As shown in Fig. 2 fixing device 200 also includes at least two fix bars 220 along guide rod 110 circumferentially.Tool
Body, fixing device 200 includes two fix bars 220 in the present embodiment.Two fix bars 220 and two expansion links 210 are in ten
Font is arranged., can be by drive rod 100 and guide rod 110 by setting two expansion links 210 and two fix bars 220 to coordinate
It is stably fixed in drilling, and keeps drive rod 100 and guide rod 110 and the stability drilled when being relatively fixed.
Fixing device 200 also includes the first sleeve 230, and the first sleeve 230 is sheathed on guide rod 110 and can be along guide rod
110 axial movement, each expansion link 210 is connected with the first sleeve 230.Being arranged with guide rod 110 can be along its axial direction
The first mobile sleeve 230, each expansion link 210 and fix bar 220 are connected with the first sleeve 230, being capable of convenient use person
The orientation of adjustable telescopic rod 210, so as to when ensureing that being directed to bar 110 fixes, make guide rod 110 and drive rod 100 same with drilling
Axle is arranged, it is ensured that the measurement accuracy of measurement apparatus 300.
Expansion link 210 includes the body of rod 211 and the nut 212 that can be moved axially along the body of rod 211.Specifically, the table of the body of rod 211
Face is provided with external screw thread, and the one end of the body of rod 211 away from guide rod 110 is arranged with nut 212, and the inwall of nut 212 is provided with corresponding
Internal thread.By rotary nut 212, it is capable of the relative position of regulating nut 212 and the body of rod 211, so that adjustable telescopic rod 210
Length, user can by adjust the length of each expansion link 210 be directed to bar 110 be fixed on drilling in, and ensure be oriented to
Bar 110 is coaxially arranged with drilling, so as to improve measurement accuracy of the measurement apparatus 300 to borehole wall deflection.
Drive rod 100 is detachably connected by many quarter butts 101 and constituted, and guide rod 110 is detachably connected by many hollow stems 111
Connect composition.Specifically, in the present embodiment, drive rod 100 is sequentially connected by screw thread by four quarter butts 101 and constituted, guide rod 110
It is sequentially connected and is constituted by screw thread by four hollow stems 111.Using the dismountable composition of quarter butt 101 drive rod 100 of more piece, pass through
The dismountable composition of hollow stem 111 guide rod 110 of more piece, is adapted to the deformation measurement operation of the borehole wall of different depth,
Drive rod 100 and guide rod 110 are disassembled into many quarter butts 101 and hollow stem 111 simultaneously also can conveniently transport and in narrow and small sky
Interior operation.
It is carved with scale in the surface of drive rod 100 and guide rod 110.Set in drive rod 100 and the surface of guide rod 110
Scale can convenient use person check the relative displacement produced between drive rod 100 and guide rod 110, while user can also
The length of drive rod 100 and the part in the insertion drilling of guide rod 110 is intuitively checked, convenient use person is different to drill hole inner wall
The deflection of depth is measured and calculated.
As shown in figure 3, positioner 400 also includes second sleeve 420, second sleeve 420 is sheathed on guide rod 110 simultaneously
Can along guide rod 110 axial movement, one end of each spring leaf 410 is connected with second sleeve 420.Positioner 400 is wrapped
Include the second sleeve 420 that can be moved axially along guide rod 110 and four spring leafs 410, Neng Goufang being connected with second sleeve 420
Just the position of user's regulating positioning device 400, so as to adapt to the inwall of different depth soft rock drilling, enables positioner 400
Enough middle part progress preferably to guide rod 110 are flexibly positioned, it is ensured that the accuracy of detection of measurement apparatus 300.
The present embodiment additionally provides a kind of soft rock distortion measurement method, and it is to use above-mentioned soft rock hole wall distortion measurement instrument
001 progress, this method comprises the following steps：
Quarter butt 101, is sequentially connected and obtains drive rod 100 by S1, the drilling on soft rock to be measured according to the depth of drilling,
Hollow stem 111 is sequentially connected and obtains guide rod 110, bar 110 is directed to and is sheathed on drive rod 100, the one of guide rod 110
Fixing device for installing 200 is held, second sleeve 420 in positioner 400 is sheathed on to the middle part of guide rod 110, by measurement apparatus
300 are assembled to the one end relative with fixing device 200 of drive rod 100；
S2, regulation guide rod 110 and drive rod 100 relative position, make measurement bar 310 be arranged parallel to drive rod 100；
In S3, the drilling that will be opened up on one end insertion soft rock of the drive rod 100 provided with measurement apparatus 300, by fixing device
200 are sheathed on guide rod 110 and move the first sleeve 230 along guide rod 110, then the length of two expansion links 210 of regulation
It is directed to bar 110 to be fixed in drilling, compresses inwall of the raised side of the spring leaf 410 of arc with drilling, and make driving
Bar 100 and guide rod 110 are coaxially arranged with drilling；
S4, regulation drive rod 100 and guide rod 110 relative position, make measurement bar 310 to away from the direction of drive rod 100
The inwall of contact drilling is turned to, is calculated by the relative displacement change between drive rod 100 and guide rod 110 and obtains hole wall
Deflection；
Depth in S5, rotation driving bar 100 and guide rod 110 or regulation drive rod 100 and the insertion drilling of guide rod 110
Degree, the step of repeating above-mentioned S2 to S6 calculates the deflection for obtaining different depth and the drill hole inner wall of radial direction.
Drive rod 100 and guide rod 110 are passed through fixing device by the soft rock distortion measurement method that the present embodiment is provided first
200 and positioner 400 be fixed on drilling in, and make drive rod 100 and guide rod 110 with drilling it is coaxially arranged, then use
Expansible and the measurement bar 310 folded detect the deflection of borehole wall, and this method ensure that to be produced in soft rock deep hole hole wall
The deflection of unspent detection hole wall during serious collapse hole situation, improves the measurement to the different radial-deformations of borehole wall accurate
Degree, the error that reduction hole wall collapse hole is detected when serious.
Embodiment 2
It refer to shown in Fig. 6, Fig. 7 and Fig. 8, the present embodiment provides a kind of soft rock hole wall distortion measurement system 002, and it includes
It is arranged with and can moves along its axis on drive rod 100 and the reducing motor 500 for driving drive rod 100 to rotate, drive rod 100
Guide rod 110, drive rod 100 is connected through a screw thread with guide rod 110, and the surface of drive rod 100 and guide rod 110 is carved with
Scale, drive rod 100 passes sequentially through threaded connection by four quarter butts 101 and constituted, guide rod 110 by four hollow stems 111 successively
It is connected through a screw thread composition.One end of guide rod 110 is connected with fixing device 200, and the middle part of guide rod 110 is provided with two positioning
Device 400, the one end of drive rod 100 away from fixing device 200 is provided with measurement apparatus 300.
As shown in fig. 7, fixing device 200 includes being sheathed on guide rod 110 and can be along the axial movement of guide rod 110
First sleeve 230, the first sleeve 230 is connected with three telescopic expansion links 210 along guide rod 110 circumferentially；It is flexible
Bar 210 includes the body of rod 211 and the nut 212 that can be moved axially along the body of rod 211.The surface of the body of rod 211 is provided with external screw thread, the body of rod
211 one end away from guide rod 110 are arranged with nut 212, and the inwall of nut 212 is provided with corresponding internal thread.
Measurement apparatus 300 includes measurement bar 310 and support bar 320, and one end and the drive rod 100 of measurement bar 310 are hinged, and surveys
The middle part of gauge rod 310 is hinged with support bar 320, and the one end of support bar 320 away from measurement bar 310 is hinged with guide rod 110.
As shown in figure 8, positioner 400 includes being sheathed on guide rod 110 and can be along the axial movement of guide rod 110
Second sleeve 420, second sleeve 420 is connected with three spring leafs 410 along guide rod 110 circumferentially, the shape of spring leaf 410
Shape is arc, and the side that each spring leaf 410 is recessed is towards guide rod 110.
The soft rock hole wall distortion measurement system 002 that the present embodiment is provided is arranged with two positioners on guide rod 110
400, two positioners 400 include the second sleeve 420 that can be moved axially along guide rod 110, and along second sleeve 420 weeks
To three spring leafs 410 of arrangement, the expansion link 210 in spring leaf 410 and fixing device 200 in two positioners 400
Coordinate, ensure that guide rod 110 is stable and be fixed in the drilling opened up on soft rock, and ensure drive rod 100 and guide rod
110 also can be coaxially arranged with drilling when extending into deeper drilling, so as to improve the soft rock hole wall distortion measurement system
002 measures fixed accuracy for different depth and the hole wall deformation of radial direction, reduces measurement error；Pass through reducing motor simultaneously
500 driving drive rods 100 are oppositely oriented bar 110 and rotated, so that drive measurement bar 310 to be moved to close to and away from drive rod 100,
The operation difficulty of staff is reduced, detection efficiency is improved.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of soft rock hole wall distortion measurement instrument, it is characterised in that it includes being arranged with drive rod, the drive rod can be along it
The guide rod of axial movement, one end of the guide rod, which is connected with the middle part of fixing device, the guide rod, is additionally provided with least one
Individual positioner, the one end of the drive rod away from the fixing device is provided with measurement apparatus, wherein, the fixing device includes
Along at least two telescopic expansion links of the guide rod circumferentially；The measurement apparatus includes measurement bar and support bar,
One end of the measurement bar is hinged with the drive rod, and the middle part of the measurement bar is hinged with the support bar, the support bar
One end away from the measurement bar is hinged with the guide rod；The positioner is included along the guide rod circumferentially extremely
Few two spring leafs, one end of each spring leaf is connected with the guide rod.
2. soft rock hole wall distortion measurement instrument according to claim 1, it is characterised in that the spring leaf is shaped as arc
Shape, the side of each spring leaf depression is towards the guide rod.
3. soft rock hole wall distortion measurement instrument according to claim 1, it is characterised in that the fixing device is also included along institute
State at least two fix bars of guide rod circumferentially.
4. soft rock hole wall distortion measurement instrument according to claim 3, it is characterised in that the fixing device also includes first
Sleeve, the first set jacket casing on the guide rod and can along the guide rod axial movement, each expansion link
With the fix bar with first sleeve connection.
5. soft rock hole wall distortion measurement instrument according to claim 1, it is characterised in that the positioner also includes second
Sleeve, the second sleeve be sheathed on the guide rod and can along the guide rod axial movement, each spring leaf
Described one end be connected with the second sleeve.
6. soft rock hole wall distortion measurement instrument according to claim 1, it is characterised in that the expansion link includes the body of rod and can
The nut moved axially along the body of rod.
7. soft rock hole wall distortion measurement instrument according to claim 1, it is characterised in that the drive rod can by many quarter butts
Dismounting connection composition, the guide rod is detachably connected by many hollow stems and constituted.
8. soft rock hole wall distortion measurement instrument according to claim 1, it is characterised in that the drive rod and the guide rod
Surface be carved with scale.
9. soft rock hole wall distortion measurement instrument according to claim 1, it is characterised in that the quantity of the spring leaf is three
Or four.
10. a kind of soft rock distortion measurement system, it is characterised in that it includes soft rock as claimed in any one of claims 1-9 wherein
Hole wall distortion measurement instrument, and for driving the reducing motor of the drive rod rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720082628.XU CN206459612U (en) | 2017-01-22 | 2017-01-22 | Soft rock hole wall distortion measurement instrument and soft rock distortion measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720082628.XU CN206459612U (en) | 2017-01-22 | 2017-01-22 | Soft rock hole wall distortion measurement instrument and soft rock distortion measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206459612U true CN206459612U (en) | 2017-09-01 |
Family
ID=59696307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720082628.XU Expired - Fee Related CN206459612U (en) | 2017-01-22 | 2017-01-22 | Soft rock hole wall distortion measurement instrument and soft rock distortion measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206459612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767381A (en) * | 2017-01-22 | 2017-05-31 | 中国科学院武汉岩土力学研究所 | Soft rock hole wall distortion measurement instrument and soft rock distortion measurement method |
| CN114018210A (en) * | 2021-11-26 | 2022-02-08 | 中国电建集团成都勘测设计研究院有限公司 | Underground cavern surrounding rock deformation monitoring devices |
-
2017
- 2017-01-22 CN CN201720082628.XU patent/CN206459612U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767381A (en) * | 2017-01-22 | 2017-05-31 | 中国科学院武汉岩土力学研究所 | Soft rock hole wall distortion measurement instrument and soft rock distortion measurement method |
| CN114018210A (en) * | 2021-11-26 | 2022-02-08 | 中国电建集团成都勘测设计研究院有限公司 | Underground cavern surrounding rock deformation monitoring devices |
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