CN207351823U - Circumferential angle and circumferential displacement measuring device and ring shear test equipment - Google Patents
Circumferential angle and circumferential displacement measuring device and ring shear test equipment Download PDFInfo
- Publication number
- CN207351823U CN207351823U CN201721539537.0U CN201721539537U CN207351823U CN 207351823 U CN207351823 U CN 207351823U CN 201721539537 U CN201721539537 U CN 201721539537U CN 207351823 U CN207351823 U CN 207351823U
- Authority
- CN
- China
- Prior art keywords
- circumferential
- measurement
- sliding block
- box
- ring
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Circumferential direction angle provided by the utility model and circumferential displacement measuring device and ring shear test equipment, are related to ring shear test technical field.The circumferential direction angle and circumferential displacement measuring device include measurement sliding block, measurement sensor and stent.Measure sliding block to be installed on shear box, measurement sensor is connected with measurement sliding block, and measurement sensor is fixedly mounted on stent.Shear box is used to carry out ring shear test to test sample, in ring shear test, measurement sliding block is rotated with shear box, measurement sliding block, which rotates, makes measurement sensor produce axial displacement, so as to which the circumferential angle of shear box and circumferential displacement can be calculated by measurement sensor, measurement is convenient, and test result is accurate.Ring shear test equipment provided by the utility model, simple in structure, easy to operate, measurement is accurate, helps to improve the efficiency and success rate of ring shear test.
Description
Technical field
Ring shear test technical field is the utility model is related to, is surveyed in particular to a kind of circumferential angle and circumferential displacement
Measure device and ring shear test equipment.
Background technology
The shearing strength of rock is one of important indicator for evaluating mechanical properties of rock, accurately obtains intensive parameter to rock
Body engineering has important practical significance.At this stage, shear of rock intensity is mainly obtained by laboratory test, main experimental type
Have：Ordinary triaxial test, direct shear test and wedge shape shearing experiment etc..
Analyze existing experiment implementation, rock discontinuity on shear surface during being cut, and deformation has
Retardance, it is impossible to accurately reflect the shear strength of rock.Rock tension and compression ring shear test instrument applies torsion by using ring specimen
Mode so that rock uniform stressed and deformation is uniform on shear surface.
At present, on rock ring shear test technology, there are problems with：Lack and cut rock ring in experimentation for the ring
Strained to angle, and the measuring device and method of rock circumferential direction displacement strain.
In view of this, designing and manufacturing a kind of circumferential angle when being suitable for ring shear test and circumferential displacement measuring device is
It is badly in need of improved technical problem in ring shear test technical field at present.
Utility model content
, can be in ring shear test the purpose of this utility model is to provide a kind of circumferential angle and circumferential displacement measuring device
During, the circumferential rotation angle of test sample and circumferential displacement are efficiently and easily measured, to analysis rock sample in shear history
Strain provide a kind of new measuring device, be of great significance to the mechanical property for studying and evaluating rock.
The purpose of this utility model, which also resides in, provides a kind of ring shear test equipment, including above-mentioned circumferential angle and circumferential position
Measuring system, circumferential angle and circumferential displacement measuring device are removably mounted on ring and cut in equipment.In ring shear test
Cheng Zhong, measurement sliding block is fixedly mounted on down cut box, measurement sensor is cut on the frame of equipment installed in ring, when the process of experiment
When middle test sample is subject to shearing force, down cut box can rotate, and measurement sliding block also can be with rotation, so that measurement sensor
Produce axial displacement.The circumferential angle of the measurement sliding block measured by measurement sensor and circumferential displacement, and then can obtain down
The circumferential angle and circumferential displacement of shear box, test sample in ring shear test.The ring shear test device structure is simple, operation side
Just, measurement is accurate, is conducive to improve the efficiency and success rate of ring shear test.
The utility model, which improves its technical problem, to be realized using following technical solution.
A kind of circumferential angle provided by the utility model and circumferential displacement measuring device, the circumferential direction angle and circumferential displacement
Measuring device includes measurement sliding block, measurement sensor and stent.
The measurement sliding block is installed on shear box, and the measurement sensor is connected with the measurement sliding block, the measurement
Sensor is fixedly mounted on the bracket.
The shear box be used for test sample carry out ring shear test, in the ring shear test, it is described measurement sliding block with
The shear box to rotate, the measurement sliding block, which rotates, makes the measurement sensor produce axial displacement, so as to pass through the survey
Quantity sensor can calculate the shear box, the circumferential angle of the test sample and circumferential displacement.
Further, the shear box includes upper shear box and down cut box, the upper shear box and the down cut box
Between be bonded with the test sample；The upper shear box is fixed on ring and cuts on the frame of equipment, and the measurement sliding block, which is fixed, to be connected
It is connected on the down cut box.
Further, the ring cuts equipment and provides normal stress for the upper shear box, and the ring cuts equipment as under described
Shear box provides moment of torsion, makes the test sample that detrusion occur.
Further, the measurement sliding block is made using steel, and the measurement sliding block passes through with the down cut box
Bolt is fixedly connected.
Further, the side of the measurement sliding block away from the down cut box is equipped with arc-shaped recess portion, and the arc is recessed
Concave portion is oppositely arranged with the measurement sensor.
Further, the measurement sensor includes sensor body, conducting wire and pointer, and the sensor body fixes peace
On the bracket, the conducting wire is arranged on one end of the sensor body to dress, and the pointer is arranged on the sensor body
The other end；The conducting wire is connected with computer control system, and for signal transmission, the pointer is directed toward the arc-shaped recess portion.
Further, the measurement sensor uses LVDT displacement sensors, and the pointer is directed toward the arc-shaped recess portion
Arc bottom.
Further, the stent is fixedly connected on the ring and cuts on the frame of equipment, and the stent can with the frame
Releasably connect.The sensor body is fixed with the stent by adjusting bolt, and the adjusting bolt can be used in adjusting
The direction of the pointer.
Further, the measurement sliding block is fixedly mounted on the down cut box, the arc bottom direction of the measurement sliding block
The upper shear box, the pointer are directed toward the center at the arc bottom, and the direction and the axis of the down cut box of the pointer are put down
OK.
A kind of ring shear test equipment provided by the utility model, the ring shear test equipment cut equipment and above-mentioned including ring
Circumferential angle and circumferential displacement measuring device, the circumferential direction angle and circumferential displacement measuring device are removably mounted on the ring
Cut in equipment.
Circumferential direction angle provided by the utility model and circumferential displacement measuring device and ring shear test equipment have following
The beneficial effect of aspect：
A kind of circumferential angle provided by the utility model and circumferential displacement measuring device, including measurement sliding block, measurement sensing
Device and stent.Measurement sensor is fixedly mounted on stent, and measurement sliding block is installed on shear box, and shear box is used for test specimens
This progress ring shear test.Measurement sensor is connected with measurement sliding block, and in ring shear test, measurement sliding block is rotated with shear box,
Measurement sliding block, which rotates, makes measurement sensor produce axial displacement, so as to can calculate the circumferential direction of shear box by measurement sensor
Angle and circumferential displacement, and then the circumferential rotation angle of test sample and circumferential displacement can be efficiently and easily obtained, to analysis
Strain of the rock sample in shear history provides a kind of new measuring method, has weight to the mechanical property for studying and evaluating rock
Want meaning.
The purpose of this utility model, which also resides in, provides a kind of ring shear test equipment, including ring cuts equipment and above-mentioned circumferential angle
Degree and circumferential displacement measuring device, by the way that measurement sliding block is fixedly mounted on down cut box, measurement sensor is cut installed in ring
On the frame of equipment, when test sample is subject to shearing force during experiment, down cut box can rotate, and measurement sliding block also can be with
Rotate, so that measurement sensor produces axial displacement.By measurement sensor measure measurement sliding block circumferential angle and
Circumferential displacement, and then the circumferential angle and circumferential displacement of down cut box, test sample in ring shear test can be obtained.The ring is cut
Testing equipment is simple in structure, easy to operate, and measurement is accurate, is conducive to improve the efficiency and success rate of ring shear test.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the circumferential angle that the utility model specific embodiment provides and a kind of applied field of circumferential displacement measuring device
Scape structure diagram；
Fig. 2 is a kind of structure at the visual angle for the shear box for being connected with measurement sliding block that the utility model specific embodiment provides
Schematic diagram；
Fig. 3 is the circumferential angle that the utility model specific embodiment provides and the measurement sensor of circumferential displacement measuring device
A kind of mounting structure schematic diagram；
Fig. 4 is measurement sensor in the circumferential angle that the utility model specific embodiment provides and circumferential displacement measuring device
Similar alternative arrangements schematic diagram；
Fig. 5 is the circumferential angle that the utility model specific embodiment provides and the operating process of circumferential displacement measuring device
Figure.
Icon：100- circumferential directions angle and circumferential displacement measuring device；101- frames；The upper shear boxs of 103-；105- down cuts
Box；110- measures sliding block；111- arc-shaped recess portion；The first bolts of 113-；120- measurement sensors；121- sensor bodies；
123- conducting wires；125- pointers；130- stents；The second bolts of 131-；140- adjusting bolts.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
In the description of the utility model, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under "
For based on orientation shown in the drawings or position relationship, or the utility model product using when the orientation or position usually put
Relation, or the orientation that usually understands of those skilled in the art or position relationship, are for only for ease of description the utility model
Described with simplifying, rather than the equipment or element of instruction or hint meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore it is not intended that limitation to the utility model.
" first " of the utility model, " second " etc., are used only for being distinguish between in description, special to contain
Justice.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be to be connected directly, can also be indirectly connected by intermediary.For the ordinary skill in the art, can be specific
Situation understands concrete meaning of the above-mentioned term in the utility model.
Fig. 1 is that the circumferential angle of the utility model specific embodiment offer and one kind of circumferential displacement measuring device 100 are answered
With scene structure diagram, Fig. 1 refer to.
A kind of circumferential angle provided by the utility model and circumferential displacement measuring device 100, can be used in ring shear test
In, measure the circumferential angle of test sample and circumferential displacement.Test sample is rock, if carrying out ring to other sample mediums
Scissor test, test sample can also be other objects.Circumferential angle and circumferential displacement measuring device 100 include measurement sliding block 110,
Measurement sensor 120 and stent 130.Measure sliding block 110 to be installed on shear box, measurement sensor 120 connects with measurement sliding block 110
Connect, measurement sensor 120 is fixedly mounted on stent 130.
Shear box is used to carry out ring shear test to test sample, and in ring shear test, measurement sliding block 110 turns with shear box
Dynamic, measurement sliding block 110, which rotates, makes measurement sensor 120 produce axial displacement, so as to can be calculated by measurement sensor 120
The circumferential angle of shear box and circumferential displacement.
Fig. 2 is a kind of visual angle for the shear box for being connected with measurement sliding block 110 that the utility model specific embodiment provides
Structure diagram, refer to Fig. 2.
Specifically, shear box includes upper shear box 103 and down cut box 105, upper shear box 103 and down cut box 105 it
Between be bonded with test sample；Upper shear box 103 is fixed on ring and cuts on the frame 101 of equipment, and measurement sliding block 110 is fixedly connected on down
On shear box 105, test sample is hollow cylinder sample, and one end insertion above in the cavity of shear box 103, is cut under other end insertion
In the cavity for cutting box 105, and fixed by bonded adhesives and upper shear box 103, down cut box 105.
In ring shear test, ring cuts equipment and provides normal stress for upper shear box 103, and ring is cut equipment and carried for down cut box 105
For moment of torsion, make test sample that failure by shear deformation occur.
Preferably, measurement sliding block 110 is made by steel, surface polishes and is conserved with hydraulic oil, measures sliding block 110
It is fixedly connected with down cut box 105 by the first bolt 113.Also, side of the measurement sliding block 110 away from down cut box 105 is set
There is arc-shaped recess portion 111, arc-shaped recess portion 111 is oppositely arranged with measurement sensor 120.
Fig. 3 is the circumferential angle that the utility model specific embodiment provides and the measurement biography of circumferential displacement measuring device 100
A kind of mounting structure schematic diagram of sensor 120, refer to Fig. 3.
Specifically, measurement sensor 120 includes sensor body 121, conducting wire 123 and pointer 125, sensor body 121
It is fixedly mounted on stent 130, conducting wire 123 is arranged on one end of sensor body 121, and pointer 125 is arranged on sensor body 121
The other end.Conducting wire 123 is connected with computer control system, and for signal, data transfer, pointer 125 is directed toward arc-shaped recess portion
111.Preferably, during initial position, pointer 125 is directed toward the minimum point at the arc bottom, i.e. arc-shaped recess portion 111 in arc-shaped recess portion 111
Kept on the same line with pointer 125.
Preferably, in the present embodiment, measurement sensor 120 uses LVDT displacement sensors.Measure the arc of sliding block 110
Shape concave part 111 away from down cut box 105 laterally, i.e. put down by the axis in arc-shaped recess portion 111 and the axis of down cut box 105
OK.Pointer 125 is directed toward arc bottom, and the direction of pointer 125 is vertical with the axis of down cut box 105, as shown in Figure 3.
Alternatively, the measurement angle range for measuring sliding block 110 is clockwise 0 to 20 degree, 0 to 20 degree counterclockwise, i.e. in Fig. 1
Angle shown in phantom is range ability, and a is 20 degree of angles.
Sensor body 121 is fixed with stent 130 by adjusting bolt 140, and adjusting bolt 140 can be used in adjusting pointer
125 direction.Before measuring, it is necessary to which the reading of pointer 125 is zeroed, rotation adjusting bolt 140 can realize that zero is adjusted.
Stent 130 is fixedly connected on ring and cuts on the frame 101 of equipment, and stent 130 and frame 101 are detachably connected.Can
Selection of land, stent 130 such as can connect, be bolted, snapping connection, is Nian Jie at the mode with frame 101 using screw, in the present embodiment
In, stent 130 is fixedly connected with frame 101 using the second bolt 131.
A kind of ring shear test equipment provided by the utility model, including ring cut equipment and above-mentioned circumferential angle and circumferential position
Measuring system 100, circumferential angle and circumferential displacement measuring device 100 are removably mounted on ring and cut in equipment, in order to survey
Amount, the circumferential angle for obtaining down cut box 105 and test sample and circumferential displacement.
Fig. 4 is the circumferential angle that the utility model specific embodiment provides and measures biography in circumferential displacement measuring device 100
The similar alternative arrangements schematic diagram of sensor 120, refer to Fig. 4.
Stent 130 is fixedly connected on frame 101, and measurement sensor 120 is fixedly mounted on stent 130, measures sliding block
110 are fixedly mounted on down cut box 105, can be connected, are bolted, are bonded, snap connection, rivet, be welded using screw
Etc. connection mode.The center at arc bottom, the finger of pointer 125 are directed toward towards upper shear box 103, pointer 125 in the arc bottom for measuring sliding block 110
To parallel with the axis of down cut box 105.Similarly, the measurement angle range for measuring sliding block 110 is clockwise 0 to 20 degree, inverse time
Pin 0 to 20 is spent.
Alternatively, air bubble type level meter or scale can be set by measuring side of the sliding block 110 equipped with arc-shaped recess portion 111
Line, level meter or graduation mark are arranged on the inside of measurement sliding block 110, and the arc-shaped recess portion 111 of measurement sliding block 110 is equipped with transparent
Visible area, the center at arc bottom is directed toward easy to pointer 125, position centering is more accurate, result of the test confidence level higher.
Fig. 5 is the circumferential angle that the utility model specific embodiment provides and the operation stream of circumferential displacement measuring device 100
Cheng Tu, refer to Fig. 5.
Circumferential direction angle provided in this embodiment and circumferential displacement measuring device 100, its measuring process are as follows：
S1：Measurement sensor 120 is connected, measurement sensor 120 is installed on stent 130, by measurement sensor 120
Conducting wire 123 is connected with computer control system.Conducting wire 123 is by measuring signal real-time Transmission to computer control system, by calculating
Data analysis of the machine to measurement calculates.
S2：110 centering of sliding block is measured, traverse measurement sliding block 110, the arc bottom and pointer 125 for making measurement sliding block 110 are maintained at
On same straight line.
S3：Measurement sensor 120 returns to zero, and by rotating adjusting bolt 140, returns the pointer 125 of measurement sensor 120
Zero.
S4：Ring shear test is carried out, upward shear box 103 provides normal stress, and downward shear box 105 provides moment of torsion, makes survey
This generation of sample failure by shear deforms.
S5：Test result analysis, the axial displacement measured according to measurement sensor 120 strain, and system is controlled by computer
Statistics calculates the circumferential angle of down cut box 105 and circumferential displacement, the i.e. circumferential angle of test sample and circumferential displacement.
It should be noted that since the pointer 125 of LVDT displacement sensors is before ring shear test, arcuate recess sections are directed toward
Arc bottom, during ring shear test, downward shear box 105 applies moment of torsion, and down cut box 105, measurement sliding block 110 can be made to turn together
Dynamic, so that LVDT displacement sensors produce axial displacement, axial displacement can accurately be obtained by computer control system.
Due to axial displacement, the circumferential angle of measurement sliding block 110, annular displacement, three has one-to-one relation, passes through axial direction
Displacement can calculate circumferential angle and circumferential displacement.It is exactly 105 He of down cut box to calculate circumferential angle and circumferential displacement
The circumferential angle of test sample and circumferential displacement.
In conclusion circumferential direction angle provided by the utility model and circumferential displacement measuring device 100 and ring shear test equipment
Beneficial effect with the following aspects：
Circumferential direction angle provided by the utility model and circumferential displacement measuring device 100, can be during ring shear test, soon
The prompt circumferential rotation angle for easily measuring test sample and circumferential displacement, provide strain of the analysis rock sample in shear history
A kind of new measuring device and ring shear test equipment, are of great significance the mechanical property for studying and evaluating rock.
Ring provided by the utility model cuts equipment, including ring cuts equipment and above-mentioned circumferential angle and circumferential displacement measurement dress
Put 100.By the way that measurement sliding block 110 is fixedly mounted on down cut box 105, measurement sensor 120 is cut into equipment installed in ring
On frame 101, when test sample is subject to shearing force during experiment, down cut box 105 can rotate, and measurement sliding block 110 also can
With rotation, so that measurement sensor 120 produces axial displacement.The measurement sliding block 110 measured by measurement sensor 120
Circumferential angle and circumferential displacement, and then can obtain circumferential angle in ring shear test of down cut box 105, test sample and
Circumferential displacement.The ring shear test device structure is simple, easy to operate, and measurement is accurate, be conducive to improve ring shear test efficiency and
Success rate.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, the utility model can have various changes, combination and change.It is all the utility model spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of circumferential direction angle and circumferential displacement measuring device, it is characterised in that the circumferential direction angle and circumferential displacement measurement dress
Put including measurement sliding block, measurement sensor and stent；
The measurement sliding block is installed on shear box, and the measurement sensor is connected with the measurement sliding block, the measurement sensing
Device is fixedly mounted on the bracket；
The shear box is used to carry out ring shear test to test sample, and in the ring shear test, the measurement sliding block is with institute
Shear box rotation is stated, the measurement sliding block, which rotates, makes the measurement sensor produce axial displacement, so as to be passed by the measurement
Sensor can calculate the shear box, the circumferential angle of the test sample and circumferential displacement.
2. circumferential direction angle according to claim 1 and circumferential displacement measuring device, it is characterised in that the shear box includes
Upper shear box and down cut box, the test sample is bonded between the upper shear box and the down cut box；Cut on described
Cut box and be fixed on ring and cut on the frame of equipment, the measurement sliding block is fixedly connected on the down cut box.
3. circumferential direction angle according to claim 2 and circumferential displacement measuring device, it is characterised in that the ring cuts equipment and is
The upper shear box provides normal stress, and the ring cuts equipment and provides moment of torsion for the down cut box, sends out the test sample
Raw detrusion.
4. circumferential direction angle according to claim 2 and circumferential displacement measuring device, it is characterised in that the measurement sliding block is adopted
It is made with steel, the measurement sliding block is bolted to connection with the down cut box.
5. circumferential direction angle according to claim 2 and circumferential displacement measuring device, it is characterised in that the measurement sliding block is remote
Side from the down cut box is equipped with arc-shaped recess portion, and the arc-shaped recess portion is oppositely arranged with the measurement sensor.
6. circumferential direction angle according to claim 5 and circumferential displacement measuring device, it is characterised in that the measurement sensor
Including sensor body, conducting wire and pointer, the sensor body is fixedly mounted on the bracket, and the conducting wire is arranged on described
One end of sensor body, the pointer are arranged on the other end of the sensor body；The conducting wire and computer control system
Connection, for signal transmission, the pointer is directed toward the arc-shaped recess portion.
7. circumferential direction angle according to claim 6 and circumferential displacement measuring device, it is characterised in that the measurement sensor
Using LVDT displacement sensors, the pointer is directed toward the arc bottom in the arc-shaped recess portion.
8. circumferential direction angle according to claim 6 and circumferential displacement measuring device, it is characterised in that the stent, which is fixed, to be connected
It is connected on the ring to cut on the frame of equipment, the stent and the frame are detachably connected；The sensor body with it is described
Stent is fixed by adjusting bolt, and the adjusting bolt can be used in adjusting the direction of the pointer.
9. circumferential direction angle according to claim 6 and circumferential displacement measuring device, it is characterised in that the measurement sliding block is consolidated
On the down cut box, the arc is directed toward in the arc bottom of the measurement sliding block towards the upper shear box, the pointer for Dingan County
The center at bottom, the direction of the pointer are parallel with the axis of the down cut box.
10. a kind of ring shear test equipment, it is characterised in that the ring shear test equipment cuts equipment and claim 1 to 9 including ring
Any one of circumferential angle and circumferential displacement measuring device, the circumferential direction angle and circumferential displacement measuring device it is detachable
Cut installed in the ring in equipment on ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721539537.0U CN207351823U (en) | 2017-11-15 | 2017-11-15 | Circumferential angle and circumferential displacement measuring device and ring shear test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721539537.0U CN207351823U (en) | 2017-11-15 | 2017-11-15 | Circumferential angle and circumferential displacement measuring device and ring shear test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351823U true CN207351823U (en) | 2018-05-11 |
Family
ID=62350494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721539537.0U Withdrawn - After Issue CN207351823U (en) | 2017-11-15 | 2017-11-15 | Circumferential angle and circumferential displacement measuring device and ring shear test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207351823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748112A (en) * | 2017-11-15 | 2018-03-02 | 中国科学院武汉岩土力学研究所 | Ring angle and ring displacement measuring device and method |
-
2017
- 2017-11-15 CN CN201721539537.0U patent/CN207351823U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748112A (en) * | 2017-11-15 | 2018-03-02 | 中国科学院武汉岩土力学研究所 | Ring angle and ring displacement measuring device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103913145B (en) | A kind of crack openings double-deformation monitoring of structures and measuring method | |
| CN105928447B (en) | A kind of rapid survey deflection of bridge span device | |
| CN102313523B (en) | Sensitivity calibration method of fiber Bragg grating strain sensor | |
| CN209446243U (en) | A kind of middle-small span beam deflection real-time online high frequency monitoring device | |
| CN106959248A (en) | A kind of concrete sample damage Crack Detection experimental rig and test method | |
| CN105320596A (en) | Bridge deflection test method based on inclinometers and system thereof | |
| CN110031021A (en) | A kind of hydrostatic level on-line calibration system and its calibration method | |
| KR102044959B1 (en) | Concrete constructions crack displacement measurement equipment | |
| CN108519065A (en) | Differential optical fiber Bragg grating tilt angle sensor and application method thereof | |
| CN101587058A (en) | High-precision pendulum friction coefficient measuring instrument | |
| CN107941402A (en) | A kind of device and method for being used to measure Cable power | |
| CN112254661A (en) | On-site calibration method and equipment for marine fiber grating strain sensor | |
| CN104792615A (en) | Soil pressure testing device and soil pressure testing correction calculation method | |
| CN207351823U (en) | Circumferential angle and circumferential displacement measuring device and ring shear test equipment | |
| CN106338272A (en) | Testing device and testing method for measuring inclination angle of component | |
| CN110132161A (en) | A method of based on strain measurement mid-span deflection in bridge span | |
| CN107044828A (en) | A kind of optical fiber grating structure device for detecting deformation, network and method | |
| CN103837071B (en) | Bar displacement transducer angular surveying fixture | |
| CN107748112A (en) | Ring angle and ring displacement measuring device and method | |
| CN104567655B (en) | Dynamic angular displacement measuring device and method | |
| CN207894914U (en) | The device of in situ measurement sea-sediment interface position and mechanical characteristic | |
| CN207317990U (en) | The cable force measurement device of low frequency micro breadth oscillation drag-line | |
| CN207730561U (en) | A kind of concrete component axial tension test device | |
| CN202582504U (en) | Reflective grating strainometer | |
| CN202582503U (en) | Transmission type grating strainmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180511 Effective date of abandoning: 20230707 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180511 Effective date of abandoning: 20230707 |