CN106441054A - Wall structure deformation measuring device - Google Patents
Wall structure deformation measuring device Download PDFInfo
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- CN106441054A CN106441054A CN201611166503.1A CN201611166503A CN106441054A CN 106441054 A CN106441054 A CN 106441054A CN 201611166503 A CN201611166503 A CN 201611166503A CN 106441054 A CN106441054 A CN 106441054A
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- Prior art keywords
- amesdial
- measuring device
- structure deformation
- body structure
- positioning element
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a wall structure deformation measuring device, and relates to the technical field of wall structure deformation monitoring. The technical scheme mainly includes that the wall structure deformation measuring device comprises a mounting plate, two anchoring components, two positioning components and a displacement detecting component, two through holes with a preset distance are formed in the mounting plate, first ends of the anchoring components are nailed into a wall through the through holes, first ends of the two positioning components are connected with second ends of the two anchoring components respectively, the displacement detecting component comprises a dial indicator and a measuring wire, the dial indicator is connected at a second end of the first positioning component, a reverse tension device is arranged between a lower measuring head of the dial indicator and the first positioning component, the measuring wire is connected between an upper measuring head of the dial indicator and a second end of the second positioning component, and the measuring wire, the upper measuring head of the dial indicator and the lower measuring head of the dial indicator are positioned on the same straight line. The wall structure deformation measuring device is simple in structure, low in manufacturing cost, low in requirement for technical level of workers and capable of detecting wall structure deformation in real time.
Description
Technical field
The present invention relates to the monitoring technical field of wall body structure deformation, more particularly, to a kind of wall body structure deformation measurement dress
Put.
Background technology
In modern building, concrete wall is much constrained, for example reinforcing bar, pilaster or dark stake etc., about
Under pencil state, concrete can cause certain deformation because of the change of water content, temperature change, and deform and can be subject to above-mentioned constraining
Produce tension, when tension exceedes concrete tensile strength, crack will be produced.Specifically, because wall body structure belongs to
Vertical structure, is difficult to carry out effective moisture-keeping maintaining, so drying shrinkage deformation is larger；In addition, concrete wall is in construction
Body of wall both sides are all provided with template, concrete hydrating heat release, and in the presence of two side templates, concrete core temperature improves constantly,
The temperature deformation that the internal-external temperature difference of concrete, concrete surface and circumstance of temperature difference are led to is also very big.Therefore, detect body of wall
Deformation has important meaning to the crackle of research concrete wall.
But, it is directed to the research of concrete wall structure deformation at present both at home and abroad, be to small-sized coagulation in experiment interior mostly
Native test block is tested, and the concrete wall structure Study on Deformation in Practical Project is substantially at space state.In addition only
The device that some are used for measuring wall body structure deformation is mainly made up of high-grade, precision and advanced instruments such as light beam, fiber grating change sensors, leads
Cause device overall cost is high, installation is complicated, fragile and testing staff's technical merit is had high demands, and leads to testing cost non-
Chang Gao, is therefore not suitable for carrying out widespread adoption popularization in building-site.
Content of the invention
In view of this, the embodiment of the present invention provides a kind of wall body structure deformation measuring device, and main purpose is that design is a kind of
Structure is simple, cheap, be suitable for being promoted in building-site, and can be used in the dress of real-time detection wall body structure deformation
Put.
For reaching above-mentioned purpose, present invention generally provides following technical scheme：
Embodiments provide a kind of wall body structure deformation measuring device, including：
For being embedded in the installing plate of construction formwork reserved location, described installing plate is provided with two there is preset distance
Through hole；
Two anchoring members, the first end of described anchoring members hammers in body of wall through described through hole；
Two positioning elements, two described positioning elements include the first positioning element and the second positioning element, described in two
The first end of positioning element is connected with the second end of two anchoring members respectively；
Displacement detection part, described displacement detection part includes amesdial, measurement wire rod；
Wherein, described amesdial is connected to the second end of described first positioning element, under described amesdial gauge head with described
It is provided with reverse take-up device, the second end of gauge head and described second positioning element on described amesdial between first positioning element
Between connect described measurement wire rod, described measurement wire rod and gauge head under gauge head on described amesdial and described amesdial are located at same
On straight line；
When the change of the distance between two described anchoring members, described measurement wire rod pulls described amesdial to obtain distance change
Change numerical value, and then obtain the contraction numerical value of described body of wall or expand numerical value.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid a kind of wall body structure deformation measuring device, two on wherein said installing plate through hole is
Bellmouth, the distance between described two through holes are 250mm-700mm；
It is provided with cone rubber plug between described bellmouth and described anchoring members；
The hardness of the elastomeric material that described cone rubber plug is used is 50-70 shore hardness, and percentage elongation is 100%-
250%.
Preferably, aforesaid a kind of wall body structure deformation measuring device, wherein said anchoring members are holdfast, described holdfast
Fluted or fin is arranged on the side wall of first end, the second end of described holdfast is provided with screw thread.
Preferably, aforesaid a kind of wall body structure deformation measuring device, described in two of which, the first end of positioning element is equal
It is provided with the screw thread being adapted with the screw thread at described holdfast second end；
Second end of described first positioning element is provided with sleeve, and described sleeve is used for installing described amesdial, described set
It is provided with Top fastening screw on cylinder, fasten described amesdial for installing；
Second end of described second positioning element is provided with tapped through hole, and described tapped through hole and described sleeve are in same
Axle.
Preferably, aforesaid a kind of wall body structure deformation measuring device, it also includes：
Regulating bolt, the first end of described regulating bolt is rotated with described measurement wire rod and is connected；
Described regulating bolt first end passes through described tapped through hole to coordinate with its screw thread, by screwing described regulating bolt
Second end can adjust the degree of stretching of described measurement wire rod.
Preferably, aforesaid a kind of wall body structure deformation measuring device, the two ends of wherein said measurement wire rod are by universal
Hook is rotated with gauge head on described amesdial and described regulating bolt first end respectively and is connected.
Preferably, aforesaid a kind of wall body structure deformation measuring device, wherein said reverse take-up device include spring and
Pad；
Described pad is located on end link under described amesdial, inconsistent with gauge head under described amesdial；
Described spring is located on end link under described amesdial, one end inconsistent other end and described the with described pad
Second end of one positioning element is inconsistent；Elastic constant k of described spring is 0.50-5.0kgf/mm.
Preferably, aforesaid a kind of wall body structure deformation measuring device, wherein said amesdial is electronic dial gauge；
Described displacement detection part also includes data acquisition emitter, described electronic dial gauge and described wireless data
Collection emitter connects.
Preferably, aforesaid a kind of wall body structure deformation measuring device, it also includes：Two locking nuts, described in two
Locking nut is screwed in the second end of two described holdfasts respectively；
After the first end of described positioning element is screwed in the precalculated position at the second end of described holdfast, reversely screw described
Described positioning element is locked by locking nut.
Preferably, aforesaid a kind of wall body structure deformation measuring device, it also includes：Case, described case uses transparent
Material manufacture, described case is connected with described installing plate, constitutes with described installing plate and accommodates described anchoring members, described location division
Part, the receiving space of described displacement detection part.
By technique scheme, wall body structure deformation measuring device of the present invention at least has following advantages：
In the technical scheme that the present invention provides, wall body structure deformation measuring device include installing plate, two anchoring members, two
Individual positioning element, displacement detection part, two of which anchoring members pass through two through holes on installing plate then to hammer in body of wall,
Amesdial in displacement detection part is fixed therein on anchoring members by the first positioning element, and is strained by reverse
Device and measurement wire rod strain the lower gauge head of amesdial and upper gauge head respectively in the opposite direction, and wherein measurement wire rod one end is connected in thousand
The other end on gauge head on table is divided to be connected on another anchoring members, so when body of wall shrinks or expands, in measurement
In the presence of wire rod and reverse take-up device, the numerical value of amesdial can occur the change responding, measure body of wall contraction or
The numerical value expanding.So the wall body structure deformation measuring device that the present invention provides, there are following advantages：
First, constitute each part of wall body structure deformation measuring device of the present invention, be all normal elements, not using high-grade, precision and advanced instrument
Device, overall cost is cheap.
2nd, the installation process of wall body structure deformation measuring device of the present invention is simple, and operation is simple, the technology to testing staff
Level requirement is not high, is suitable for being promoted on a large scale in building-site.
3rd, wall body structure deformation measuring device of the present invention can body of wall early hydration hardening and later stage drying distortions whole
Carry out real-time detection during individual, and data is passed through transmission of wireless signals out, realize the reality that user deforms to wall body structure
When detection.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description
Fig. 1 is a kind of the first viewing angle constructions schematic diagram of wall body structure deformation measuring device provided in an embodiment of the present invention；
Fig. 2 is a kind of the second viewing angle constructions schematic diagram of wall body structure deformation measuring device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, a kind of wall body structure deformation measuring device that embodiments of the invention propose, it includes：With
In installing plate 1, two anchoring members 2, two positioning elements 3 and displacement detection part of being embedded in construction formwork reserved location
4；Two through holes with preset distance are provided with installing plate 1；The first end of anchoring members 2 hammers in body of wall through through hole；
Two positioning elements 3 include the first positioning element 31 and the second positioning element 32, and the first end of two positioning elements 3 is respectively with two
Second end of individual anchoring members 2 connects；Displacement detection part 4 includes amesdial 41, measurement wire rod 42；Wherein, amesdial 41 connects
It is connected on the second end of the first positioning element 31, between 41 times gauge heads of amesdial and the first positioning element 31, be provided with reverse tension dress
Put 5, amesdial 41 is connected between gauge head and the second end of the second positioning element 32 measurement wire rod 42, measures wire rod 42 and thousand points
On table 41, gauge head and 41 times gauge heads of amesdial are located along the same line；When the change of the distance between two anchoring members 2, measure line
Material 42 pulls amesdial 41 to obtain distance change numerical value, and then obtains the contraction numerical value of body of wall or expand numerical value.
Specifically, installing plate can cut in the monoblock construction formwork from work progress and obtain, from waste and old construction mould
On plate, cutting obtains, it is possible to use common plank, as installing plate, is provided with being preferably in two through holes of installing plate and bores
Shape through hole, the optimum distance of two through holes is 250mm-700mm, or according to scene need reasonably to adjust two through holes away from
From；Anchoring members can carry the holdfast of connection screw thread, the wherein ailhead part of holdfast using common holdfast or using tail end
Optimum length be 8-18cm, the optimal material of holdfast is the little metal of expansion and contraction, such as ferrum nickel low-expansion alloy；Two positioning
The first end of part is used for being connected to the second end of anchoring members, its connected mode can be threaded can also be clamping even
Connect, the second end of the wherein first positioning element is provided with sleeve, and this sleeve is used for installing amesdial, can be by this sleeve by thousand
The lower end link dividing table is fixed on the first positioning element, and the second end of the second positioning element can be provided for adjusting measurement line
The regulating bolt that material is directly spent is it is also possible to setting any one can adjust the device of measurement straight degree of wire；Amesdial is preferably used
Electronic dial gauge, the material of measurement wire rod should select to vary with temperature the little metal material of expansion and contraction, and optimal material is quality
Percent is the low-expansion alloy of 64%Fe and 36%Ni composition, and the length of measurement wire rod can be entered according to the distance of anchoring members
Row is concrete to be arranged, and reverse take-up device can be the device of spring using main body, it is possible to use main body is the device of shell fragment, can
Depending on according to site specific；Install wall body structure deformation measuring device of the present invention when, it is necessary to assure measurement wire rod with
Under gauge head and amesdial on amesdial, gauge head is located along the same line, so just can accurately measure body of wall contraction numerical value or
Person expands numerical value.
In the wall body structure deformation measuring device that user uses the present invention to provide, need in advance in concrete wall structure
Then the wall body structure deformation measuring device that the present invention provides is arranged on herein, it is specific by a upper selected test position
Mounting means is：First installing plate being installed to body of wall needs at the position of detection, if this installing plate is to cut from construction formwork
Take, the test position that the place extracting installing plate deforms as wall body structure can be selected, and installing plate is embedded in former cutting
Take place, and sealing strip sealing is sticked in the gap inlayed, after the completion of installing plate is laid, treat concreting vibration compacting 1-2
After hour, anchoring members are passed through in the through hole insertion concrete wall of installing plate, need to ensure the second of two anchoring members
The length that end spills body of wall is identical, respectively the first positioning element and the second positioning element is installed to two anchoring members afterwards
Second end, now can install displacement detection part, be first arranged on amesdial in the sleeve of the first positioning element, particularly
The lower end link of amesdial is fixed in the sleeve of the first positioning element, then in lower gauge head and first location division of amesdial
Install reverse take-up device between the sleeve of part, lower gauge head is applied certain pulling force, then gauge head and second on amesdial
Measure wire rod on connecting between second end of positioning element, make measurement wire rod have certain pulling force to upper gauge head, and ensure thousand
The upper gauge head, lower gauge head and the measurement wire rod that divide table are located along the same line, and are set as the initial value of amesdial simultaneously
5.000mm-15.000mm, and then complete the main body installation of wall body structure deformation measuring device of the present invention, finally if there are protection
Case, then install case, completes the installation of wall body structure deformation measuring device of the present invention, at this moment can monitor body of wall at any time
Wall during early hydration hardening and later stage dry shrinkage, in the expansion of body of wall or contraction, and body of wall warm deformation
Volume expansion or contraction, so infer crackle it may happen that position, and according to the whole early hydration hardening of body of wall and
Deformation detection during later stage dry shrinkage, the formula of adjustment concrete, optimization of C/C composites, and then reduce going out of body of wall crackle
Existing.
In the technical scheme that the present invention provides, wall body structure deformation measuring device include installing plate, two anchoring members, two
Individual positioning element, displacement detection part, two of which anchoring members pass through two through holes on installing plate then to hammer in body of wall,
Amesdial in displacement detection part is fixed therein on anchoring members by the first positioning element, and is strained by reverse
Device and measurement wire rod strain the lower gauge head of amesdial and upper gauge head respectively in the opposite direction, and wherein measurement wire rod one end is connected in thousand
The other end on gauge head on table is divided to be connected on another anchoring members, so when body of wall shrinks or expands, in measurement
In the presence of wire rod and reverse take-up device, the numerical value of amesdial can occur the change responding, measure body of wall contraction or
The numerical value expanding.So the wall body structure deformation measuring device that the present invention provides has following advantages：Constitute body of wall knot of the present invention
Each part of structure deformation measuring device, is all normal elements, not using high-grade, precision and advanced instrument, overall cost is cheap；Body of wall of the present invention
The installation process of malformation measurement apparatus is simple, and operation is simple, less demanding to the technical merit of testing staff, is suitable in work
Ground scene is promoted on a large scale；Wall body structure deformation measuring device of the present invention can be done in the hardening of body of wall early hydration and later stage
Carry out real-time detection in the whole process of dry deformation, and data is passed through transmission of wireless signals out, realize user and body of wall is tied
The real-time detection of structure deformation.
As shown in figure 1, in the middle of be embodied as, two through holes wherein on installing plate 1 are bellmouth, two through holes it
Between optimum distance be 250mm-700mm；It is provided with cone rubber plug 21 between bellmouth and anchoring members 2；Cone rubber plug
The hardness of 21 elastomeric materials being used is 50-70 shore hardness, and percentage elongation is 100%-250%.
Specifically, during body of wall hardening, on the one hand prevent concrete mortar from secreting, on the other hand allow anchor portion
With concrete deformation, level moves freely part, and it is not formed with strong constraint, does not affect the accuracy detecting, thus in through hole and
Set up a rubber stopper between anchoring members, simultaneously the use of rubber stopper for convenience, and optimize the structure of through hole, by through hole
Tapered with the setting of rubber stopper cooperation.Wherein, if the shore hardness of rubber is less than 50HA, rubber stopper hardness is inadequate, coagulation
Native hardening initial stage anchoring members can shift, and affects centering effect, and initial stage data is unstable, and data discrete is big, if rubber
The shore hardness of glue is higher than 70HA then rubber stopper hardness is bigger, and under the constraint of installing plate, rubber stopper restricts deformation measurement, data
Less than normal, affect result, so the optimal hardness of elastomeric material that cone rubber plug is used is 50-70 shore hardness.
As shown in figure 1, in the middle of being embodied as, wherein anchoring members 2 are holdfast, and the side wall of holdfast first end is provided with
Groove or fin, the second end of holdfast is provided with screw thread.
Specifically, in order that the first end of holdfast is firmly followed closely in concrete wall, can be in the first side of holdfast
Setting groove or fin on wall, such holdfast firmly can be followed closely in wall with the drying shrinkage of body of wall, in addition to easy adjust
Position when whole positioning element is connected with anchoring members, holdfast second end is provided for the spiral shell being connected with positioning element first end
Stricture of vagina is necessary.
As depicted in figs. 1 and 2, in the middle of being embodied as, the first end of two of which positioning element 3 is provided with and holdfast
The screw thread that the screw thread at the second end is adapted；Second end of the first positioning element 31 is provided with sleeve, and sleeve is used for installing amesdial
41, sleeve is provided with Top fastening screw, fastens described amesdial 41 for installing；Second end of the second positioning element 32 is provided with
Tapped through hole, tapped through hole and sleeve are in coaxial；Wall body structure deformation measuring device of the present invention also includes：Regulating bolt 6, adjusts
The first end of section bolt 6 is rotated with measurement wire rod 42 and is connected；Regulating bolt 6 first end passes through tapped through hole to coordinate with its screw thread,
The degree of stretching of measurement wire rod 42 can be adjusted by screwing the second end of regulating bolt 6.
Specifically, amesdial is by being arranged in sleeve to enter to install its lower end link, so can be in the first location division
One screwed hole is opened up on the side wall of the sleeve of part, is screwed into a Top fastening screw in this screwed hole simultaneously, can be held out against by this
Amesdial in the sleeve being arranged on the first positioning element is fastened by screw, simultaneously in order to make measurement wire rod and amesdial
Upper gauge head and lower gauge head are located at same straight line, and can be good at adjusting the degree of stretching of measurement wire rod, can be in the second positioning
Second end of part is threaded through hole, and regulating bolt is coordinated with tapped through hole screw thread, and followed by regulating bolt first end connects
Connect measurement wire rod, so just can adjust the degree of stretching of measurement wire rod by screwing the second end of regulating bolt, ensureing simultaneously
Tapped through hole and sleeve are in the case of coaxial it becomes possible to ensure the upper gauge head of the measurement wire rod and amesdial stretching and lower gauge head position
On same straight line, and then make the result that measurement wall body structure deforms more accurate.
As shown in Fig. 2 in the middle of be embodied as, the two ends of measurement wire rod 42 pass through universal hook 43 respectively with amesdial 41
Upper gauge head and regulating bolt 6 first end rotate and connect.
Specifically, in order to connect measurement wire rod when, and adjustment measurement wire rod degree of stretching when, do not make measurement wire rod
It is subject to other stress, such as rotation stress, connect measurement wire rod and gauge head and regulation on amesdial using universal hook respectively
Bolt first end is optimal selection, or can replace universal hook using universal connection ring.
As depicted in figs. 1 and 2, in the middle of being embodied as, wherein reversely take-up device 5 includes spring 52 and pad 51；Pad
Piece 51 is located on 41 times end links of amesdial, inconsistent with 41 times gauge heads of amesdial；Spring 52 is located in amesdial 41 lower end
On connecting rod, the inconsistent other end is inconsistent with the second end of the first positioning element 31 with pad 51 for one end；Used in the present invention
Elastic constant k of spring can be 0.50-5.0kgf/mm, and wherein optimal device of spring stiffness coefficient k is 0.80-3.0kgf/
mm.
Specifically, reverse take-up device is mainly used for straining the lower gauge head of amesdial, and is whole displacement detecting portion
Part provides tightening force, makes amesdial and measurement wire rod be in a whole machine balancing state, and then occurs relatively in anchoring members
During displacement, so that the gauge head of amesdial is sensitively shunk therewith and stretch, realize the survey of the real-time and precise to body of wall contraction or expansion
Amount.
As depicted in figs. 1 and 2, in the middle of being embodied as, wherein amesdial 41 is electronic dial gauge；Displacement detection part 4
Also include data acquisition emitter 44, electronic dial gauge is connected with data acquisition emitter 44.
Specifically, in order that the wall body structure deformation measuring device that the present invention provides can detect wall easily, in real time
The malformation of body, it is still further preferred that using electronic dial gauge, and connects a data acquisition transmitting on electronic dial gauge
Device, is acquired by the numerical value that this data acquisition emitter is detected to electronic dial gauge, and is real-time transmitted to movement
Terminal, or send base station and Surveillance center to, and data acquisition emitter can be using sending out with savings battery
Emitter, reduces the trouble of externally fed.
As shown in figure 1, in the middle of being embodied as, the wall body structure deformation measuring device that the present invention provides also includes：Two
Locking nut 7, two locking nuts 7 are screwed in the second end of two holdfasts respectively；When the first end of positioning element 3 is screwed in anchor
Behind the precalculated position at the second end of nail, reversely screw locking nut 7 and positioning element 3 is locked.
As depicted in figs. 1 and 2, in the middle of being embodied as, wherein it also includes case 8, and case 8 uses transparent material system
Make, case 8 is connected with installing plate 1, constitute, with installing plate 1, the appearance accommodating anchoring members 2, positioning element 3, displacement detection part 4
Receive space.
Specifically, in order to protect each device in wall body structure deformation measuring device of the present invention, and prevent other because
Element produces impact to measurement result, sets up a case to protect the wall body structure deformation measuring device that the present invention provides, simultaneously
This case is manufactured using transparent material, is easy to observe the numerical value of measurement at any time.Wherein case adopts acrylic material manufacture.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by described scope of the claims.
Claims (10)
1. a kind of wall body structure deformation measuring device is it is characterised in that it includes：
For being embedded in the installing plate of construction formwork reserved location, described installing plate is provided with two there is the logical of preset distance
Hole；
Two anchoring members, the first end of described anchoring members hammers in body of wall through described through hole；
Two positioning elements, two described positioning elements include the first positioning element and the second positioning element, two described positioning
The first end of part is connected with the second end of two anchoring members respectively；
Displacement detection part, described displacement detection part includes amesdial, measurement wire rod；
Wherein, described amesdial is connected to the second end of described first positioning element, gauge head and described first under described amesdial
It is provided with reverse take-up device, on described amesdial between the second end of gauge head and described second positioning element between positioning element
Connect described measurement wire rod, described measurement wire rod is located at same straight line with gauge head under gauge head on described amesdial and described amesdial
On；
When the change of the distance between two described anchoring members, described measurement wire rod pulls described amesdial to obtain distance change number
Value, and then obtain the contraction numerical value of described body of wall or expand numerical value.
2. wall body structure deformation measuring device according to claim 1 it is characterised in that
Two through holes on described installing plate are bellmouth, and the distance between described two through holes are 250mm-700mm；
It is provided with cone rubber plug between described bellmouth and described anchoring members；
The hardness of the elastomeric material that described cone rubber plug is used is 50-70 shore hardness, and percentage elongation is 100%-250%.
3. wall body structure deformation measuring device according to claim 1 it is characterised in that
Described anchoring members are holdfast, and the side wall of described holdfast first end arranges fluted or fin, the of described holdfast
Two ends are provided with screw thread.
4. wall body structure deformation measuring device according to claim 3 it is characterised in that
The first end of two described positioning elements is provided with the screw thread being adapted with the screw thread at described holdfast second end；
Second end of described first positioning element is provided with sleeve, and described sleeve is used for installing described amesdial, on described sleeve
It is provided with Top fastening screw, fasten described amesdial for installing；
Second end of described second positioning element is provided with tapped through hole, and described tapped through hole and described sleeve are in coaxial.
5. wall body structure deformation measuring device according to claim 4 is it is characterised in that also include：
Regulating bolt, the first end of described regulating bolt is rotated with described measurement wire rod and is connected；
Described regulating bolt first end passes through described tapped through hole to coordinate with its screw thread, by screwing the second of described regulating bolt
End can adjust the degree of stretching of described measurement wire rod.
6. wall body structure deformation measuring device according to claim 5 it is characterised in that
Described measurement wire rod two ends by universal hook respectively with gauge head on described amesdial and described regulating bolt first end
Rotate and connect.
7. wall body structure deformation measuring device according to claim 1 it is characterised in that
Described reverse take-up device includes spring and pad；
Described pad is located on end link under described amesdial, inconsistent with gauge head under described amesdial；
Described spring is located on end link under described amesdial, and the inconsistent other end is fixed with described first with described pad for one end
Second end of position part is inconsistent；
Elastic constant k of described spring is 0.50-5.0kgf/mm.
8. wall body structure deformation measuring device according to claim 1 it is characterised in that
Described amesdial is electronic dial gauge；
Described displacement detection part also includes data acquisition emitter, described electronic dial gauge and described data acquisition
Emitter connects.
9. wall body structure deformation measuring device according to claim 4 is it is characterised in that also include：
Two locking nuts, two described locking nuts are screwed in the second end of two described holdfasts respectively；
After the first end of described positioning element is screwed in the precalculated position at the second end of described holdfast, reversely screw described locking
Described positioning element is locked by nut.
10. wall body structure deformation measuring device according to claim 1 is it is characterised in that also include：
Case, described case is manufactured using transparent material, and described case is connected with described installing plate, constitutes with described installing plate and holds
Receive described anchoring members, described positioning element, the receiving space of described displacement detection part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166503.1A CN106441054A (en) | 2016-12-16 | 2016-12-16 | Wall structure deformation measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166503.1A CN106441054A (en) | 2016-12-16 | 2016-12-16 | Wall structure deformation measuring device |
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| CN106441054A true CN106441054A (en) | 2017-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030328A (en) * | 2018-07-20 | 2018-12-18 | 四川省劲腾环保建材有限公司 | A kind of detection method of wallboard drying shrinkage |
| CN110441145A (en) * | 2019-08-27 | 2019-11-12 | 青岛理工大学 | Tunnel lining concrete durability test method |
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