CN207180656U - One kind radially converges deformation measurement device for tunnel model test - Google Patents
One kind radially converges deformation measurement device for tunnel model test Download PDFInfo
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- CN207180656U CN207180656U CN201721256884.2U CN201721256884U CN207180656U CN 207180656 U CN207180656 U CN 207180656U CN 201721256884 U CN201721256884 U CN 201721256884U CN 207180656 U CN207180656 U CN 207180656U
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- measurement device
- cylinder
- model test
- deformation measurement
- dividing plate
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Abstract
Deformation measurement device is radially converged for tunnel model test the utility model discloses one kind, it includes bearing, the displacement meter on bearing, and is arranged on the top cap of displacement meter sound end；Top cap includes cylinder, and axial chute is provided with cylinder, and dividing plate is provided with cylinder, and the side wall of dividing plate is provided with the positioner for passing chute；The groove of the probe based on fixed displacement is provided with dividing plate.The utility model is using bearing and top cap limiting displacement meter sidesway, the measurement for radially converging deformation in the model tunnel that by adjusting dividing plate and displacement meter fixed position displacement meter can be made to adapt to different section form and cross dimensions.During experiment, this measuring equipment and model tunnel cooperative transformation, measurement error can effectively be reduced, and the direct measurement deformed by point-to-point transmission provides test basis to ensure the radial deformation measurement accuracy requirement of model tunnel for tunnel and similar underground structure deformation and the correlative study of unstable failure rule.
Description
Technical field
It the utility model is related to tunnels and underground engineering experimental technique field, and in particular to one kind is used for tunnel model test
Radially converge deformation measurement device.
Background technology
With China's rapid development of economy, the demand in terms of field of traffic and energy construction is usually associated with largely
The construction of Tunnel Engineering, meanwhile, tunnel scale is increasing, structural shape and residing geological conditions also become increasingly complex, knot
Structure is taken seriously safely increasingly.
In order to ensure the long-term safety of tunnel structure, especially some large-scale and complicated tunnels, it usually needs using similar
Model test carries out correlative study to its stress and deformation characteristic.In layer during similar model test, tunnel structure deformation is one
Determine the stable case that can preferably reflect structure in degree, tunnel structure radially converges the measurement of deformation for studying its change
The structural mechanics characteristics such as shape, unstable failure are significant.And existing experiment test device is mainly with single-point displacement amount
Based on survey, the direct measurement deformed between 2 points of tunnel structure can not be realized, for the deformation between 2 points, is typically surveyed respectively
Handled after amount each point displacement, the point deformation of indirect measure two by the way of being superimposed in calculating process using single-point displacement, so
And each single-point displacement vector is often difficult to ensure that and is located along the same line, measurement result is caused to produce relatively large deviation, it is difficult to full
The current Research Requirements of foot.
Utility model content
For above-mentioned deficiency of the prior art, one kind provided by the utility model radially converges for tunnel model test
Deformation measurement device solves the problems, such as can not deflection between 2 points of direct measurement tunnel structure.
In order to reach foregoing invention purpose, the technical solution adopted in the utility model is：
One kind is provided and radially converges deformation measurement device for tunnel model test, it includes bearing, on bearing
Displacement meter, and be arranged on the top cap of displacement meter sound end；Top cap includes cylinder, and axial chute is provided with cylinder, circle
Dividing plate is provided with cylinder, the side wall of dividing plate is provided with the positioner for passing chute；It is provided with dividing plate based on fixed displacement
The groove of probe.
Further, bearing includes being used for the movable end and fixing end for clamping displacement meter, the side of movable end and fixing end
Side be flexibly connected by hinge, the opposite side of movable end and the opposite side of fixing end are fastened and to form one hollow by latching
Cylinder.
Further, at least one level meter is provided with fixing end.
Further, the cross section of fixing end and movable end is the equal semi arch of radius, fixing end and movable end it is interior
Wall is provided with rubber blanket.
Further, the circle centre position of fixing end is axially arranged laser locator, and groove is arranged at the center of dividing plate.
Further, the top of cylinder and the bottom of fixing end are respectively arranged with fixed plate, are respectively provided with two fixed plates
There is positioning hole.
Further, movable end and it is arranged between the fixed plate of fixing end bottom and is provided with cabling mouth.
Further, fixed plate is pasting plastic piece.
Further, positioner includes with dividing plate being connected and passing the threaded rod of chute, and is arranged on threaded rod
Nut outside upper and cylinder.
Further, scale is provided with cylinder and by chute.
The beneficial effects of the utility model are：
Top cap of the present utility model is mounted and fixed to model tunnel respectively with bearing, and tunnel can be achieved during experiment
Deformation synchronous with measuring equipment；Using laser locator bearing can be made to be adjusted with top cap axle center on same straight line, pass through bearing
Displacement meter is fixed with top cap, using the direct measurement of point-to-point transmission relative displacement, can effectively avoid what single-point displacement measured
Defect, measurement result is caused to produce larger error；In addition, it is suitable for by being adjusted to dividing plate with bearing intrinsic displacement meter position
The model tunnel of different size sections, and utilize displacement meter range and reach maximization.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the left side isometric view of the utility model bearing；
Fig. 3 is the left side isometric view after bearing is opened；
Fig. 4 is the perspective right view of bearing；
Fig. 5 is the dorsal part three-dimensional view after bearing is opened；
Fig. 6 is the three-dimensional view of top cap；
Fig. 7 is the three-dimensional view of dividing plate.
Wherein：1st, displacement meter；2nd, bearing；3rd, top cap；4th, fixing end；5th, movable end；6th, hinge；7th, latch；8th, rubber blanket；
9th, laser locator；10th, fixed plate；11st, level meter；12nd, cabling mouth；13rd, positioning hole；14th, cylinder；15th, dividing plate；16th, nut；
17th, chute；18th, groove.
Embodiment
Specific embodiment of the present utility model is described below, in order to which those skilled in the art understand
The utility model, it should be apparent that the utility model is not limited to the scope of embodiment, to the common skill of the art
For art personnel, if various change in the spirit and scope of the present utility model that appended claim limits and determines,
These changes are it will be apparent that all utilize the innovation and creation of the utility model design in the row of protection.
As shown in Fig. 1, Fig. 6 and Fig. 7, this is used to tunnel model test and radially converges deformation measurement device including bearing 2, pacifies
Displacement meter 1 on bearing 2, and it is arranged on the top cap 3 of the sound end of displacement meter 1；Top cap 3 includes cylinder 14, on cylinder 14
Axial chute 17 is provided with, dividing plate 15 is provided with cylinder 14, the side wall of dividing plate 15 is provided with the positioning dress for passing chute 17
Put；The groove 18 of 1 probe based on fixed displacement is provided with dividing plate 15.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, bearing 2 includes being used for the movable end 5 and fixing end 4 for clamping displacement meter 1, living
The side of moved end 5 and the side of fixing end 4 are flexibly connected by hinge 6, the opposite side of movable end 5 and the opposite side of fixing end 4
Fastened by lock 7 and form a hollow cylinder.
Two axially in parallel and vertical level meters 11 respectively with bearing 2 are provided with fixing end 4.The horizontal stroke of fixing end 4
Section and the cross section of movable end 5 are the equal semi arch of radius, and the inwall of fixing end 4 and movable end 5 is provided with rubber blanket
8.The circle centre position of fixing end 4 is axially arranged laser locator 9, and groove 18 is arranged at the center of dividing plate 15.
The top of cylinder 14 and the bottom of fixing end 4 are respectively arranged with fixed plate 10, are provided with two fixed plates 10
Positioning hole 13.
Movable end 5 and it is arranged between the fixed plate 10 of the bottom of fixing end 4 and is provided with cabling mouth 12.Fixed plate 10 is plastics
Sticking tablet, the bottom surface of pasting plastic piece is sticking veneer, is easy to the fixation of this measuring equipment.
Positioner includes with dividing plate 15 being connected and passing the threaded rod of chute 17, and is arranged on threaded rod and justifies
Nut 16 outside cylinder 14.Scale is provided with cylinder 14 and by chute 17.
In one embodiment of the present utility model, laser locator 9 can be connected by support with fixing end 4, also may be used
To be arranged in fixed plate 10, the circuit of displacement meter 1 passes this measuring equipment by cabling mouth 12.
When in use, bearing 2 is fixed on model tunnel, fixing end 4, movable end 5 to the utility model by pasting plastic piece
Open, close along hinge 6, and utilize lock 7 in terms of fixed displacement 1；Fixing end 4 attaches rubber blanket 8 with the inwall of movable end 5,
Reaching the effect of lock ring during fixed displacement meter 1 prevents moving integrally for during experiment displacement meter 1, the end line of displacement meter 1
Route cabling mouth 12 is drawn.Laser locator 9 is set to position top cap 3, fixing end 4 sets a pair of vertical air-bubble levels
11, the installation site of bearing 2 can be positioned.
Chute 17 with a scale is set on cylinder 14, and dividing plate 15 can be installed in cylinder 14, is arranged on the side of dividing plate 15
Threaded rod and nut 16 be securable on cylinder 14；The groove 18 of bellmouth is carried on dividing plate 15, size is bigger at the top of slotted eye
In the probe of displacement meter 1, can the probe of fixed displacement meter 1, and prevent it from sidesway occurring during experiment；Use the center of groove 18
In the centering of laser locator 9；Pasting plastic piece on cylinder 14 is used to fix cylinder 14 in model tunnel.On bearing 2 and top cap 3
The end position of portion's pasting plastic piece respectively sets a pair of symmetrical positioning holes 13, and it is fixed to aid in that position mark can be carried out with marking pen
Position.
In summary, bearing 2 and top cap 3 are fixed on model tunnel both ends by the utility model by pasting plastic piece, are led to
Cross the adjustment fixed position of top cap 3 of laser locator 9 with bearing 2 to be located on straight line, utilize bearing 2 and the limiting displacement of top cap 3
1 sidesway is counted, by adjusting dividing plate 15 and the fixed position of displacement meter 1 displacement meter 1 can be made to adapt to different section form and cross dimensions
Model tunnel the measurement for radially converging deformation.During experiment, this measuring equipment and model tunnel cooperative transformation, can have
Effect ground reduce measurement error, and by point-to-point transmission deform direct measurement with ensure model tunnel radial deformation measurement accuracy will
Ask, test basis is provided for tunnel and similar underground structure deformation and the correlative study of unstable failure rule.
Claims (10)
1. one kind radially converges deformation measurement device for tunnel model test, it is characterised in that：Including bearing (2), it is arranged on
Displacement meter (1) on the bearing (2), and it is arranged on the top cap (3) of the displacement meter (1) sound end；Top cap (3) bag
Cylinder (14) is included, axial chute (17) is provided with the cylinder (14), dividing plate (15), institute are provided with the cylinder (14)
The side wall for stating dividing plate (15) is provided with the positioner for passing the chute (17)；It is provided with the dividing plate (15) for fixing
The groove (18) of displacement meter (1) probe.
2. according to claim 1 radially converge deformation measurement device for tunnel model test, it is characterised in that：It is described
Bearing (2) includes being used for clamping the movable end (5) and fixing end (4) of the displacement meter (1), the side of the movable end (5) with
The side of fixing end (4) is flexibly connected by hinge (6), and the opposite side of the movable end (5) and the opposite side of fixing end (4) lead to
Lock (7) is crossed to fasten and form a hollow cylinder.
3. according to claim 2 radially converge deformation measurement device for tunnel model test, it is characterised in that：It is described
At least one level meter (11) is provided with fixing end (4).
4. according to claim 2 radially converge deformation measurement device for tunnel model test, it is characterised in that：It is described
The cross section of fixing end (4) and movable end (5) is the inwall of the equal semi arch of radius, the fixing end (4) and movable end (5)
It is provided with rubber blanket (8).
5. according to claim 4 radially converge deformation measurement device for tunnel model test, it is characterised in that：It is described
The circle centre position of fixing end (4) is axially arranged laser locator (9), and the groove (18) is arranged on the center of the dividing plate (15)
Place.
6. according to claim 2 radially converge deformation measurement device for tunnel model test, it is characterised in that：It is described
The top of cylinder (14) and the bottom of fixing end (4) are respectively arranged with fixed plate (10), are all provided with two fixed plates (10)
It is equipped with positioning hole (13).
7. according to claim 6 radially converge deformation measurement device for tunnel model test, it is characterised in that：It is described
Movable end (5) and it is arranged between the fixed plate (10) of the fixing end (4) bottom and is provided with cabling mouth (12).
8. according to claim 6 radially converge deformation measurement device for tunnel model test, it is characterised in that：It is described
Fixed plate (10) is pasting plastic piece.
9. according to claim 1-8 it is any it is described radially converge deformation measurement device for tunnel model test, its feature exists
In：The positioner includes with the dividing plate (15) being connected and passing the threaded rod of the chute (17), and is arranged on
On the threaded rod and the nut (16) of cylinder (14) outside.
10. according to claim 9 radially converge deformation measurement device for tunnel model test, it is characterised in that：Institute
State on cylinder (14) and be provided with scale by chute (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721256884.2U CN207180656U (en) | 2017-09-27 | 2017-09-27 | One kind radially converges deformation measurement device for tunnel model test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721256884.2U CN207180656U (en) | 2017-09-27 | 2017-09-27 | One kind radially converges deformation measurement device for tunnel model test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207180656U true CN207180656U (en) | 2018-04-03 |
Family
ID=61749503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721256884.2U Expired - Fee Related CN207180656U (en) | 2017-09-27 | 2017-09-27 | One kind radially converges deformation measurement device for tunnel model test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207180656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129215A (en) * | 2020-09-17 | 2020-12-25 | 武汉大学 | Tunnel physical simulation test full-section convergence deformation rapid measurement device and method |
-
2017
- 2017-09-27 CN CN201721256884.2U patent/CN207180656U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129215A (en) * | 2020-09-17 | 2020-12-25 | 武汉大学 | Tunnel physical simulation test full-section convergence deformation rapid measurement device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20200927 |