CN209085544U - Tunnel model displacement and convergent measuring equipment in a kind of laboratory test - Google Patents
Tunnel model displacement and convergent measuring equipment in a kind of laboratory test Download PDFInfo
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- CN209085544U CN209085544U CN201821920270.4U CN201821920270U CN209085544U CN 209085544 U CN209085544 U CN 209085544U CN 201821920270 U CN201821920270 U CN 201821920270U CN 209085544 U CN209085544 U CN 209085544U
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Abstract
The utility model discloses tunnel model displacement in a kind of laboratory test and convergent measuring equipments, including tunnel model test device, vertical laser displacement sensor, horizontal laser light displacement sensor, computer, sliding block, special-shaped straight line slide-bar, support rod, pedestal and tape measure；Sliding block is interspersed on special-shaped straight line slide-bar；Tunnel model both ends are respectively arranged with support rod to have set up special-shaped straight line slide-bar；Tape measure is connected to draw sliding block from tunnel model one end and slide into the other end with sliding block；Two vertical laser displacement sensors are separately positioned on the top and bottom of the sliding block；Two horizontal laser light displacement sensors are separately positioned on the left and right face of sliding block；Computer and vertical laser displacement sensor and horizontal laser light displacement sensor are respectively connected with to control it and emit laser beam, and record the laser ranging data of each sensor.Based on the laser ranging data of model deformation front and back, the vertical displacement, horizontal displacement of tunnel entirety and opposite convergence after being deformed.
Description
Technical field
It prevents and reduces natural disasters technical field the utility model relates to Tunnel Engineering, it relates in particular to tunnel in a kind of laboratory test
The displacement of road model and convergent measuring equipment.
Background technique
Modern increasingly flourishing railway and highway system facilitates our life, when greatly shortening us and going on a journey required
Between.Wherein Tunnel Engineering plays important role, such as subway tunnel, vcehicular tunnel and high-speed rail tunnel etc..Due to they
Long line style feature, it tends to be difficult to avoid the need for passing through shear-zone, or there is the case where tunnel perimeter exploitation in operation, living disconnected
Under the geologic processes such as the dynamic, earthquake of fault or under the influence of the peripheries exploitation such as excavation of foundation pit, shape easily occurs for these lifeline engineerings
Become or even partial destruction, extreme influence are normally gone on a journey.So further investigation tunnel is on the active fault changing of the relative positions, earthquake disaster and periphery
Deformation when exploitation is particularly important.Indoor tunnel model test is a kind of very common research means, indoor
The strain of tunnel model can be directly by putting up foil gauge continuous acquisition, however, the inside sky that tunnel model is narrow in test
Between, displacement related sensor the unfavorable factors such as directly contact with tunnel, directly make vertical displacement, the horizontal displacement of tunnel model
Be difficult to effectively measure one by one with opposite convergence, once and tunnel model structure deform destruction, phase inside tunnel model
The displacement related sensor of contact may also be conjugated, and output data will be insincere.Therefore, how non-independently of tunnel model
Contact, primary vertical displacement, horizontal displacement and opposite these three primary deformable data that restrain of obtaining simultaneously are always to be difficult to solve
Technical problem certainly.If excavating upper earthing body after the end of the test, to measure the deformation of tunnel model, can only obtain final
Deformation data, can not know test key node after tunnel model development of deformation process.Therefore, for related tunnel model
Laboratory test, how high efficient and reliable, which obtains the vertical displacement of tunnel model, horizontal displacement and opposite convergence, becomes urgently to be resolved
Technological difficulties.
Utility model content
The main purpose of the utility model is that proposing tunnel model displacement and convergent measurements dress in a kind of laboratory test
It sets, which is the application independently of tunnel model, is not interfered by its deformation, and can disposably obtain it
Vertical displacement, horizontal displacement and it is opposite restrain these three primary deformable data, testing section in each setting can continuously measure,
And efficiently, it is reliable, accurately acquire tunnel section deformation data, and then get the vertical displacement of tunnel overall length, horizontal displacement
Relatively convergent deformation curve, clear principle, operation are easily achieved.
The utility model adopts the following technical solution:
Tunnel model displacement and convergent measuring equipment in a kind of laboratory test, including for carrying out tunnel model test
The both ends of tunnel model test device, the tunnel model communicate with the outside world；The measuring equipment further include: vertical laser displacement
Sensor, horizontal laser light displacement sensor, computer, sliding block, special-shaped straight line slide-bar, support rod, pedestal and tape measure；The sliding block
It is interspersed on the special-shaped straight line slide-bar；The tunnel model both ends are respectively arranged with support rod to have set up the special-shaped straight line
Slide-bar；The tape measure is connected to draw sliding block from tunnel model one end and slide into the other end with the sliding block；It is described vertical sharp
Optical displacement sensor include two, be separately positioned on the top and bottom of the sliding block with measure respectively tunnel model vault, arch bottom with
The distance of the vertical laser displacement sensor；The horizontal laser light displacement sensor includes two, is separately positioned on the cunning
The left and right face of block to measure the left haunch of tunnel model, right haunch at a distance from the horizontal laser light displacement sensor respectively；It is described
Computer and the vertical laser displacement sensor and horizontal laser light displacement sensor are respectively connected with to control it and emit laser beam,
And record the laser ranging data of the vertical laser displacement sensor and horizontal laser light displacement sensor.
Preferably, the precision of the vertical laser displacement sensor and horizontal laser light displacement sensor is micron order.
Preferably, the sliding block and special-shaped straight line slide-bar are contacted by ball.
Preferably, the special-shaped straight line slide-bar is odd-shaped cross section so that the sliding block only does one-dimensional translation.
Preferably, the support rod pylon formula has set up the special-shaped straight line slide-bar；The abnormity straight line slide-bar both ends are solid
It is scheduled on support rod.
Preferably, the special-shaped straight line slide-bar center line coincides with tunnel model axis.
Preferably, the measuring equipment further includes two pedestals；Each support rod is arranged above a pedestal.
Preferably, in tunnel model test, the deformation of tunnel model is much smaller than the radius of tunnel model.
Compared with prior art, the beneficial effects of the utility model are as follows:
Tunnel model displacement and convergent measuring equipment, are applied to related tunnel mould in a kind of laboratory test of the utility model
The laboratory test of type, the measuring equipment are the application independently of tunnel model, are not interfered by its deformation, laser position
Displacement sensor (laser displacement sensor and horizontal laser light displacement sensor) obtains section in tunnel overall length run-down simultaneously
Three deformation datas, and each setting section can efficiently, reliable, continuous acquisition, be based on primary data and test data, do
Corresponding subtraction, simple calculate obtain the vertical displacement, horizontal displacement and relatively convergent deformation curve of tunnel overall length.
The above description is merely an outline of the technical solution of the present invention, in order to more clearly understand the utility model
Technological means, so as to be implemented in accordance with the contents of the specification, and in order to allow the utility model above and other purpose,
Feature and advantage can be more clearly understood, and be exemplified below specific embodiment of the present utility model.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Detailed description of the invention
Fig. 1 is the schematic diagram one of the utility model measuring equipment；
Fig. 2 is the schematic diagram two of the utility model measuring equipment；
Fig. 3 is the cross sectional view of the utility model measuring equipment；
In figure: 1, sliding block, 21, vertical laser displacement sensor, 22, horizontal laser light displacement sensor, 3, laser beam, 4, meter
Calculation machine, 5, tape measure, 6, special-shaped straight line slide-bar, 71, the preceding tunnel of deformation, 72, tunnel after deformation, 8, support rod, 9, pedestal, 10, tunnel
Road model test apparatus.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Referring to shown in Fig. 1 to 3, tunnel model displacement and convergent measuring equipment in a kind of laboratory test of the utility model,
Including sliding block 1, vertical laser displacement sensor 21, horizontal laser light displacement sensor 22, laser beam 3, computer 4, tape measure 5, different
Tunnel 72, support rod 8, pedestal 9 and tunnel model test device 10 after shape straight line slide-bar 6, the preceding tunnel 71 of deformation, deformation.
The vertical laser displacement sensor 21 and horizontal laser light displacement sensor 22 respectively include two, computer 4 and institute
It states vertical laser displacement sensor 21 and horizontal laser light displacement sensor 22 is respectively connected with to control swashing for laser displacement sensor
Light beam 3 emits, and records display all the sensors (two laser displacement sensors 21 and two horizontal laser light displacement sensors
22) laser ranging data.The laser displacement sensor 21 and horizontal laser light displacement sensor 22 are micron order high-precisions,
Also, for tunnel model, the laser displacement sensor 21 and horizontal laser light displacement sensor 22 are small-sized.
The sliding block 1 is interspersed on the special-shaped straight line slide-bar 6, and the sliding block 1 and slide-bar 6 are contacted by ball, with
And slide-bar 6 is constructed using odd-shaped cross section and is made with smart steel forging.Therefore, ball contact, odd-shaped cross section construction and smart steel forging are made and are ensured
Sliding block 1 is free and is one-dimensionally translatable.
Two vertical laser displacement sensors 21 are oppositely arranged on the upper surface of described sliding block 1 and following to measure respectively
Tunnel model vault, arch bottom are arranged in vertical above the sliding block 1 at a distance from the vertical laser displacement sensor 21
Laser displacement sensor 21 is arranged for measuring tunnel model vault at a distance from the vertical laser displacement sensor 21 in institute
The vertical laser displacement sensor 21 below sliding block 1 is stated for measuring tunnel model arch bottom and the vertical laser displacement sensor
21 distance.Two horizontal laser light displacement sensors 22 include being oppositely arranged on the left side and the right side of the sliding block 1 to divide
Not Liang Ce the left haunch of tunnel model, right haunch at a distance from the horizontal laser light displacement sensor 22, that is, be arranged in the sliding block 1
The horizontal laser light displacement sensor 22 on the left side is used to measure the left haunch of tunnel model and the horizontal laser light displacement sensor 22
The horizontal laser light displacement sensor 22 on 1 right side of sliding block is arranged in for measuring the right haunch of tunnel model and the water in distance
The distance of flat laser displacement sensor 22.The computer 4 is displaced with the vertical laser displacement sensor 21 and horizontal laser light
Sensor 22 is respectively connected with to control it and emit laser beam, and records the vertical laser displacement sensor 21 and horizontal laser light position
The laser ranging data of displacement sensor 22.Based on the above method, what each determination of acquisition to be measured before tunnel model deforms is cut
The primary data in face similarly acquires the test data in the section that each determination to be measured after tunnel model deformation.It is described initial
Data and test data include tunnel model vault at a distance from the vertical laser displacement sensor, tunnel model arch bottom with
The distance of the vertical laser displacement sensor, the left haunch of tunnel model are at a distance from the horizontal laser light displacement sensor, tunnel
Model right haunch in road is at a distance from the horizontal laser light displacement sensor.Now illustrate tunnel after obtaining the 1st test node
The treatment process of the vertical displacement in certain section, horizontal displacement and relatively convergent numerical value.Remember in vertical laser displacement sensor 21
The primary data of that for being directed toward vault is denoted as v0, and the data after the 1st test node are denoted as v1；Similarly, it is directed toward arch bottom
The primary data of that be denoted as i0, the data after the 1st test node are denoted as i1.In horizontal laser light displacement sensor 22
That primary data of haunch is denoted as u0 before being directed toward, and the data after the 1st test node are denoted as u1；Similarly, it is directed toward rear arch
That primary data of waist is denoted as w0, and the data after the 1st test node are denoted as w1.Do corresponding operation, tunnel after deformation
The vault vertical displacement value=v1-v0 in 72 certain section similarly encircles bottom vertical displacement value=i1-i0；Certain section of tunnel 72 after deformation
Preceding haunch horizontal displacement value=u1-u0, similarly encircle bottom vertical displacement value=w1-w0；72 certain section of tunnel is vertical after deformation
Convergency value=v1+i1-d (wherein d indicate tunnel internal diameter), similarly horizontal convergence value=u1+w1-d.Tunnel after 1st test node
It is all pre- finally to obtain tunnel 72 after deforming under the 1st test node referring to above-mentioned treatment process for the data in all sections in road
Uniform section obtains the change of whole vertical displacement, horizontal displacement and opposite convergence about overall length that is, using length of tunnel as abscissa
Change curve.According to above-mentioned treatment process, the data of all Key experiments nodes are handled, obtain tunnel after deforming under test each stage
Road 72, the change curve of whole vertical displacement, horizontal displacement and opposite convergence about overall length.
The support rod 8 includes two, and the pedestal 9 includes two, and the support rod 8 and the pedestal 9 are in tunnel mould
Type both ends arrangement, pylon formula have set up the special-shaped straight line slide-bar 6, and 6 both ends of abnormity straight line slide-bar are fixed on the support
On bar 8.By adjusting special-shaped 6 height of straight line slide-bar and 9 position of pedestal, so that the 6 center line weight of abnormity straight line slide-bar
Together in tunnel model axis.
The tape measure 5 is connected with the sliding block 1, due to the flexibility of tape measure 5, not only draws the translation of sliding block 1 and also measures
The real time position of sliding block 1 out.In several sections of the determining test concern of tunnel model length range, (theory can be unlimited in advance
It is a), in each key node (several sections paid close attention to) of tunnel model test, tape measure 5 draw sliding block 1 from tunnel one end to
The other end stays at each section under determination, and computer 4 controls each vertical laser displacement sensor 21 and level
Laser displacement sensor 22 emits 3 ranging of laser beam, acquires four, each section data.
The tunnel model test device 10 is to carry out the device in relation to tunnel model test.Indoor tunnel model test
In, actual tunnel is all generally reduced to finite length and is considered, and the deformation of tunnel model is much smaller than radius, this ensures to deform
Tunnel 72 will not influence independent, contactless special-shaped straight line slide-bar 6 afterwards.The both ends of the tunnel model communicate with the outside world.Tool
Body, the tomography in existing experimental rig, such as patent CN106370819B can be used in the tunnel model test device 10
Simulator.
The utility model can be widely applied to the laboratory test in relation to tunnel model.Tunnel mould in previous test can be overcome
Type vertical displacement, horizontal displacement and opposite convergence are difficult to the problem measured, establish contactless, primary while obtaining, principle it is clear
The experimental rig that clear, operation is easily achieved.
One kind is also provided based on tunnel model displacement and convergent measuring equipment, the utility model in the laboratory test
Tunnel model displacement and convergent method for measurement in laboratory test, comprising the following steps:
Step 1, actual tunnel is reduced to finite length, the both ends of tunnel model communicate with the outside world；It is vertical sharp by two
Optical displacement sensor is separately positioned on the top and bottom of a sliding block；Two horizontal laser light displacement sensors are separately positioned on the cunning
The left and right face of block；The sliding block is interspersed on a special-shaped straight line slide-bar；Tunnel model both ends be respectively set a support rod with
The special-shaped straight line slide-bar is set up；Each support rod is arranged above a pedestal；It is high to adjust the special-shaped straight line slide-bar
Degree and position base, so that the center line of the abnormal shape straight line slide-bar coincides with tunnel model axis；It is complete in tunnel model in advance
Long range determines several sections of test concern；
Step 2, before tunnel model test starts, by a tape measure draw the sliding block slide into from tunnel one end it is another
It holds, is stayed at each section under determination, vertical laser displacement sensor is controlled by computer and horizontal laser light displacement passes
Sensor emits measuring laser beam away from the primary data in each section of tunnel model before acquisition deforms；When tunnel model test, in determination
Under each section at stay, vertical laser displacement sensor and horizontal laser light displacement sensor controlled by computer emit and swash
Light beam ranging collects under several sections of test concern every time, the test number in tunnel model length range section after deformation
According to (specific treatment process refers to tunnel model displacement and the description in convergent measuring equipment in a kind of aforementioned laboratory test).
The primary data and test node data include tunnel model vault at a distance from the vertical laser displacement sensor, tunnel
Road Arch Model bottom is at a distance from the vertical laser displacement sensor, the left haunch of tunnel model and the horizontal laser light displacement sensing
The right haunch of the distance of device, tunnel model is at a distance from the horizontal laser light displacement sensor.
The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto,
All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model
For.
Claims (8)
1. tunnel model displacement and convergent measuring equipment in a kind of laboratory test, including the tunnel for carrying out tunnel model test
The both ends of road model test apparatus, the tunnel model communicate with the outside world；It is characterized in that, the measuring equipment further include: perpendicular
To laser displacement sensor, horizontal laser light displacement sensor, computer, sliding block, special-shaped straight line slide-bar, support rod, pedestal and skin
Ruler；The sliding block is interspersed on the special-shaped straight line slide-bar；The tunnel model both ends are respectively arranged with support rod to have set up
The abnormal shape straight line slide-bar；The tape measure be connected with the sliding block slided into to draw sliding block from tunnel model one end it is another
End；The vertical laser displacement sensor includes two, is separately positioned on the top and bottom of the sliding block to measure tunnel mould respectively
Type vault, arch bottom are at a distance from the vertical laser displacement sensor；The horizontal laser light displacement sensor includes two, respectively
The left and right face of the sliding block is set to measure the left haunch of tunnel model, right haunch and the horizontal laser light displacement sensor respectively
Distance；The computer and the vertical laser displacement sensor and horizontal laser light displacement sensor are respectively connected with to control it
Emit laser beam, and records the laser ranging data of the vertical laser displacement sensor and horizontal laser light displacement sensor.
2. tunnel model displacement and convergent measuring equipment in laboratory test according to claim 1, which is characterized in that institute
The precision for stating vertical laser displacement sensor and horizontal laser light displacement sensor is micron order.
3. tunnel model displacement and convergent measuring equipment in laboratory test according to claim 1, which is characterized in that institute
It states sliding block and special-shaped straight line slide-bar is contacted by ball.
4. tunnel model displacement and convergent measuring equipment in laboratory test according to claim 1, which is characterized in that institute
Stating special-shaped straight line slide-bar is odd-shaped cross section so that the sliding block only does one-dimensional translation.
5. tunnel model displacement and convergent measuring equipment in laboratory test according to claim 1, which is characterized in that institute
It states support rod pylon formula and has set up special-shaped straight line slide-bar；The abnormity straight line slide-bar both ends are fixed on support rod.
6. tunnel model displacement and convergent measuring equipment in laboratory test according to claim 5, which is characterized in that institute
Special-shaped straight line slide-bar center line is stated to coincide with tunnel model axis.
7. tunnel model displacement and convergent measuring equipment in laboratory test according to claim 1, which is characterized in that institute
Stating measuring equipment further includes two pedestals；Each support rod is arranged above a pedestal.
8. tunnel model displacement and convergent measuring equipment in laboratory test according to claim 1, which is characterized in that tunnel
In road model test, the deformation of tunnel model is much smaller than the radius of tunnel model.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821920270.4U CN209085544U (en) | 2018-11-21 | 2018-11-21 | Tunnel model displacement and convergent measuring equipment in a kind of laboratory test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821920270.4U CN209085544U (en) | 2018-11-21 | 2018-11-21 | Tunnel model displacement and convergent measuring equipment in a kind of laboratory test |
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| CN209085544U true CN209085544U (en) | 2019-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387151A (en) * | 2018-11-21 | 2019-02-26 | 华侨大学 | Tunnel model displacement and convergent measuring equipment and method in a kind of laboratory test |
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2018
- 2018-11-21 CN CN201821920270.4U patent/CN209085544U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387151A (en) * | 2018-11-21 | 2019-02-26 | 华侨大学 | Tunnel model displacement and convergent measuring equipment and method in a kind of laboratory test |
| CN109387151B (en) * | 2018-11-21 | 2024-02-27 | 华侨大学 | Method for measuring tunnel model displacement and convergence in indoor test |
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