CN109029276A - A kind of contactless lateral deformation clearance survey device - Google Patents
A kind of contactless lateral deformation clearance survey device Download PDFInfo
- Publication number
- CN109029276A CN109029276A CN201810883016.XA CN201810883016A CN109029276A CN 109029276 A CN109029276 A CN 109029276A CN 201810883016 A CN201810883016 A CN 201810883016A CN 109029276 A CN109029276 A CN 109029276A
- Authority
- CN
- China
- Prior art keywords
- shelves
- echelette
- lateral deformation
- survey device
- receiver
- Prior art date
- 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.)
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Classifications
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Abstract
The invention discloses a kind of contactless lateral deformation clearance survey devices, including echelette transmitter, echelette receiver, the first shelves and the second shelves, the echelette transmitter is set in first shelves, the echelette receiver is set in second shelves, and the echelette receiver, which is symmetrical arranged with the echelette transmitter and passes through conducting wire, connect pairing；Contactless lateral deformation clearance survey device provided by the invention, it is higher to the lateral deformation measuring accuracy of the building enclosure of deep foundation pit support model, also, echelette transmitter and echelette receiver select pairing work mode, it is not interfered by other signals, high reliablity.
Description
Technical field
The present invention relates to experiment test device technical fields, more particularly to a kind of water for deep foundation pit support mold
Put down the contactless lateral deformation clearance survey device measured to displacement deformation.
Background technique
In engineering experiment testing field, divide from test method, the equipment currently used for measurement displacement and deformation is main
There are contact and contactless two major classes.The sensing element of instrument and workpiece surface are direct when contact measuring apparatus refers to measurement
Contact, predominantly Wound-rotor type displacement meter, resistance scale, rotary encoder etc.；Contactless displacement measurement device generally utilize light,
Gas, Ci Deng intermediary contact sensing element and workpiece surface generation, do not contact and complete the test of measurement directly with measurand
Method, including grating, capacitive grating, magnetic grid, laser etc..Contact displacement measuring device is generally existing intolerant to abrasion, and measurement accuracy is low
The characteristics of, and testee surface or damage measuring equipment may may be scratched due to directly contacting with measurand；It is non-
Then there is the deficiency that measuring accuracy is big by environmental disturbances, cost is high in touch sensor.Therefore, in selection displacement or deformation measurement
When equipment, environment should be used in combination and application characteristic synthetic considers.
Deep foundation pit support model is a kind of important teaching aid for university student's undergraduate practical teaching link, by actually starting
Operation inspires student's cognition and thinking, deepens the understanding to deep-foundation pit engineering.Displacement measures and occupy important in deep-foundation pit engineering
Soil body Vertical Settlement behind status, including building enclosure horizontal displacement and wall, in deep foundation pit support model, Vertical Settlement can pass through
Existing contact or the measurement of contactless displacement meter, but there is very big problem in horizontal displacement measurement: it is limited to measure empty
Between and testing element safety, sensor can not be placed in model；Using the contactless biography being placed on the outside of excavation models
Sensor then has that overlay area is limited, and test data is highly prone to interfere.
Therefore it provides a kind of contactless lateral change for the horizontal direction displacement deformation measurement to deep foundation pit support mold
Shape clearance survey device is those skilled in the art's technical issues that need to address.
Summary of the invention
The object of the present invention is to provide a kind of contactless lateral deformation clearance survey devices, to solve the above-mentioned prior art
There are the problem of, it is higher to the lateral deformation measuring accuracy of the building enclosure of deep foundation pit support model, echelette transmitter and
Echelette receiver selects pairing work mode, is not interfered by other signals, high reliablity.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of contactless lateral deformation clearance survey device, including echelette transmitter, infrared light
Grid receiver, the first shelves and the second shelves, the echelette transmitter is set in first shelves, described
Echelette receiver is set in second shelves, the echelette transmitter and the echelette receiver pair
Claim setting and connect by conducting wire to match.
Preferably, first shelves and second shelves two sides of the bottom are respectively and fixedly provided with a sliding block, each described
Slider bottom slidably connects straight line guide rail.
Preferably, the sliding block is fixedly connected by corner strap with first shelves and second shelves.
Preferably, two linear guides of first shelves bottom are arranged in parallel, and first shelves
Along there are two two of its bottom linear guides settings.
Preferably, two linear guides of second shelves bottom are arranged in parallel, and second shelves
Along there are two two of its bottom linear guides settings.
Preferably, first shelves and second shelves are the rectangular iron for being vertically provided with rectangle placement hole
Plate, echelette caging bolt passes through the placement hole and the echelette transmitter and the echelette receiver connects
It connects.
Preferably, the echelette transmitter and the echelette receiver are along respectively along its opposite placement
Hole is respectively arranged with multiple.
The present invention achieves following advantageous effects compared with the existing technology:
Contactless lateral deformation clearance survey device provided by the invention, can be realized in deep foundation pit support model teaching aid
The setting of building enclosure lateral deformation limit；Can emit the echelette structural deformation limit of linear light source, measuring accuracy is high；
Echelette transmitter and echelette receiver select pairing work mode, are not interfered by other signals, high reliablity；And
Apparatus structure is succinct, at low cost, easy to maintain and promote.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the forward structure schematic diagram of contactless lateral deformation clearance survey device in the present invention；
Fig. 2 is the lateral structure schematic diagram of contactless lateral deformation clearance survey device in the present invention；
Fig. 3 is the overlooking structure diagram of contactless lateral deformation clearance survey working state of device in the present invention；
In figure: 1- echelette transmitter, 2- echelette receiver, the first shelves of 3-, the second shelves of 4-, 5- are sliding
Block, 6- linear guide, 7- corner strap, 8- fixing bolt, 9- placement hole, 10- echelette caging bolt, 11- deep basal pit model
Support system, 12- deep basal pit model casing, 13- normal sand, 14- infrared ray light curtain, A- infrared ray light curtain initial position, A '-are infrared
Linear light curtain final position.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of contactless lateral deformation clearance survey devices, to solve prior art presence
The problem of.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present embodiment provides a kind of contactless lateral deformation clearance survey devices, as shown in Figs. 1-2, including echelette
Transmitter 1, echelette receiver 2, the first shelves 3 and the second shelves 4, echelette transmitter 1 are set to the first peace
It sets on frame 3, echelette receiver 2 is set in the second shelves 4, and echelette receiver 2 and echelette transmitter 1 are right
Claim setting and connect by conducting wire to match.
In order to realize that the first shelves 3 and the second shelves 4 can be in slidable adjustment the present embodiment, 3 He of the first shelves
Second shelves, 4 two sides of the bottom are respectively and fixedly provided with a sliding block 5, and each 5 bottom of sliding block slidably connects straight line guide rail 6, i.e.,
For the setting of first shelves, 3 bottom there are two sliding block 5 and two linear guides 6,4 bottom of the second shelves is also provided with that there are two sliding blocks
5 and two linear guides 6, and two linear guides 6 of 4 bottom of the first shelves 3 and the second shelves are arranged in parallel, and put down
It is steady that row two guide rails of setting can be such that the first shelves 3 and the second shelves 4 at the top of it run；
In addition, sliding block 5 is stood with the first shelves 3 and the second shelves 4 by corner strap 7 and is fixedly connected in the present embodiment,
Specifically, the first shelves 3 and 4 two sides of the bottom of the second shelves are provided with a corner strap 7,7 vertical plate part of corner strap with
First shelves 3 are fixedly connected with the second shelves 4 by fixing bolt 8, the sliding block 5 of transverse plate part then respectively corresponding thereto
Top is fixedly connected by fixing bolt 8.
In the present embodiment, for the first shelves 3 and the second shelves 4, the first shelves 3 and the second shelves 4 are
Middle part is vertically provided with the rectangle iron plate of rectangle placement hole 9, and echelette caging bolt 10 passes through placement hole 9 and echelette emits
Device 1 and echelette receiver 2 connect；Echelette transmitter 1 is with echelette receiver 2 respectively along its opposite placement hole
9 be provided with it is multiple；Specifically, echelette transmitter 1 and echelette receiver 2 are respectively arranged with 3 in the present embodiment,
When needing adjusting position, the i.e. adjustable echelette transmitter 1 of echelette caging bolt 10 and echelette receiver 2 are unclamped
9 position on placement hole.
As shown in figure 3, using contactless lateral deformation clearance survey device provided by the above embodiment, to deep pit support
Shield model carries out deformation clearance survey, and specific step is as follows:
1) deep foundation pit support model assembles
It completes after deep basal pit model support system 11, is put into the designated position in deep basal pit model casing 12, so
Normal sand 13 is filled in 11 two sides of deep basal pit model support system afterwards to flush top surface to model casing.
2) echelette initial position determines
The sliding slider 5 in linear guide 6, so that the infrared ray that the echelette transmitter 1 on the first support frame emits
Light curtain 14 makes the first support by the fixed sliding block 5 of spanner just at the outermost boundary of deep basal pit model support system 11
Frame and the second support frame are fixed in linear guide 6, record infrared ray light curtain initial position A at this time.
3) deformation limit determines
It is determined and is worth according to limit, calculate infrared ray light curtain final position A ', and by 1 device of echelette transmitter and infrared
Grating receiver 2 is moved along in its opposite linear guide 6 to infrared ray light curtain final position A ' by the sliding block 5 of bottom,
After reaching infrared ray light curtain final position A ', fixed sliding block 5 is completed deformation limit and is determined.
4) model load and termination condition
It is further applied load on the normal sand 13 of deep foundation pit support model by loading schedule, in the work of 13 upper load of normal sand
Under, horizontal lateral displacement will occur for deep basal pit model support system 11, when lateral displacement amount is more than limit, deep basal pit mould
Type support system 11 will invade infrared ray light curtain 14, cause echelette receiver 2 that can not receive echelette transmitter 1
The infrared signal emitted, alarm equipment alarm prompt deep basal pit model support system 11 deforms more than limit, load knot at this time
Beam.
Invention applies a specific example illustrates the principle and implementation of the invention, above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.To sum up, the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (7)
1. a kind of contactless lateral deformation clearance survey device, it is characterised in that: including echelette transmitter, echelette
Receiver, the first shelves and the second shelves, the echelette transmitter is set in first shelves, described red
Outer grating receiver is set in second shelves, and the echelette transmitter and the echelette receiver are symmetrical
It is arranged and is connected by conducting wire and is matched.
2. contactless lateral deformation clearance survey device according to claim 1, it is characterised in that: first placement
Frame and second shelves two sides of the bottom are respectively and fixedly provided with a sliding block, and each slider bottom slidably connects straight line
Guide rail.
3. contactless lateral deformation clearance survey device according to claim 2, it is characterised in that: the sliding block passes through
Corner strap is fixedly connected with first shelves and second shelves.
4. contactless lateral deformation clearance survey device according to claim 3, it is characterised in that: first placement
Two linear guides of frame bottom are arranged in parallel, and two linear guides of first shelves along its bottom are set
There are two setting.
5. contactless lateral deformation clearance survey device according to claim 3, it is characterised in that: second placement
Two linear guides of frame bottom are arranged in parallel, and two linear guides of second shelves along its bottom are set
There are two setting.
6. contactless lateral deformation clearance survey device according to claim 1, it is characterised in that: first placement
Frame and second shelves are vertically to be provided with the rectangle iron plate of rectangle placement hole, and echelette caging bolt passes through the peace
Hole is set to connect with the echelette transmitter and the echelette receiver.
7. contactless lateral deformation clearance survey device according to claim 6, it is characterised in that: the echelette
Transmitter and the echelette receiver are multiple along being respectively arranged with respectively along its opposite described placement hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883016.XA CN109029276A (en) | 2018-08-06 | 2018-08-06 | A kind of contactless lateral deformation clearance survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883016.XA CN109029276A (en) | 2018-08-06 | 2018-08-06 | A kind of contactless lateral deformation clearance survey device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109029276A true CN109029276A (en) | 2018-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810883016.XA Pending CN109029276A (en) | 2018-08-06 | 2018-08-06 | A kind of contactless lateral deformation clearance survey device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109029276A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579179A (en) * | 2019-10-28 | 2019-12-17 | 贵州电网有限责任公司 | Infrared monitoring device and deformation detection method for information machine room floor structure deformation |
| CN112962620A (en) * | 2021-02-24 | 2021-06-15 | 熊建煌 | Reinforcing device for foundation pit and reinforcing method thereof |
| CN113933176A (en) * | 2021-09-06 | 2022-01-14 | 中核武汉核电运行技术股份有限公司 | Pipe test displacement measurement system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110579179A (en) * | 2019-10-28 | 2019-12-17 | 贵州电网有限责任公司 | Infrared monitoring device and deformation detection method for information machine room floor structure deformation |
| CN112962620A (en) * | 2021-02-24 | 2021-06-15 | 熊建煌 | Reinforcing device for foundation pit and reinforcing method thereof |
| CN113933176A (en) * | 2021-09-06 | 2022-01-14 | 中核武汉核电运行技术股份有限公司 | Pipe test displacement measurement system |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |