CN204982983U - A loading measuring force device for side slope model experiment - Google Patents
A loading measuring force device for side slope model experiment Download PDFInfo
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- CN204982983U CN204982983U CN201520754658.1U CN201520754658U CN204982983U CN 204982983 U CN204982983 U CN 204982983U CN 201520754658 U CN201520754658 U CN 201520754658U CN 204982983 U CN204982983 U CN 204982983U
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- threaded rod
- side slope
- anchor cable
- slope model
- measuring force
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Abstract
The utility model provides a loading measuring force device for side slope model experiment, includes the support, and the support divide into smooth rod and threaded rod, and smooth rod and threaded rod are parallel to each other, and smooth rod and threaded rod are parallel to each other, and the smooth rod bottom mounting sets up at the base, is equipped with the horizontal plate between smooth rod and the threaded rod top, is equipped with the scale on the horizontal plate, be connected through the 2nd antifriction bearing between threaded rod bottom and the base, the horizontal plate is passed on the threaded rod top, and the threaded rod top is equipped with the carousel, and the position of passing the horizontal plate is equipped with an antifriction bearing, be equipped with the regulation platform on threaded rod and the smooth rod, adjust the platform and can follow vertical side's rebound. Adopting above -mentioned structure, carrying out prestressed anchorage according to actual construction operation and consolidate, real -time measurement anchor rope atress changes, has guaranteed the stability of experimental data to the anchoring effect to actual job site that can the high accuracy, make and accurately judging the state of stablizing of side slope.
Description
Technical field
The present invention relates to side slope model experiment apparatus field, particularly a kind of loading device for measuring force for side slope model experiment.
Background technology
Current, many major workss is built on the ground of complex geologic conditions, the existence of harm geological structure become affect engineering build up the key factor with safe operation smoothly.Geomechanics model can not only model engineering structure feature and also can the unfavorable geologic body such as approximate simulation rock mass tomography, crack, joint on the impact of engineering structures stability.Therefore corresponding anchor device will be had.
Build in large-scale geotechnical engineering, prestressed anchorage technology has become modal Rock And Soil reinforcing technique, and prestress anchorage cable can active enforcement Rock And Soil, effectively increases Rock Slide Stability safety factor, ensures engineering construction and the safety of runtime.Lack in existing model testing analog material prestress anchoraging system and the simulation in slope excavation and runtime anchor system effect thereof.
The present invention is for overcoming the deficiencies in the prior art, one need be provided can to meet various model testing working condition requirement, enable anchor cable radical in model testing and position and one_to_one corresponding in Practical Project, can complete prestressd anchor cable loading and under Real-Time Monitoring operating condition of test the anchor cable for side slope model experiment of anchorage cable stress state load device for measuring force.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of loading device for measuring force for side slope model experiment, prestress anchoraging is carried out according to practice of construction operation, the stressed change of real-time measurement anchor cable, ensure that the stability of experimental data, and the high-precision anchoring effect to practice of construction scene, the stable state to side slope can make accurate judgement.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of loading device for measuring force for side slope model experiment, comprise support, support is divided into smooth shaft and threaded rod, smooth shaft and threaded rod are parallel to each other, and smooth shaft and threaded rod are parallel to each other, and smooth shaft bottom is fixedly installed on base, be provided with level board between smooth shaft and threaded rod top, level board is provided with scale;
Threaded rod bottom is connected by the second rolling bearing with between base, and threaded rod top is through level board, and threaded rod top is provided with rotating disk, and the position through level board is provided with the first rolling bearing;
Threaded rod and smooth shaft are provided with adjustment platform, regulate platform vertically above to move.
Preferably, described adjustment platform comprises slide bar and fastening devices, fastening devices is provided with smooth hole and the second screwed hole, smooth shaft is through smooth hole, smooth shaft is provided with scale, threaded rod, through the second screwed hole, fastening devices is also provided with an opening, and slide bar also can slide through opening in opening.
Preferably, the open top face in described fastening devices is provided with multiple pulley, and slide bar end face is provided with chute, and pulley is for controlling sliding bar direction.
Preferably, the open top face in described fastening devices is also provided with set bolt.
Preferably, described slide bar one end is connected with fixation steel plate, and slide bar one end is provided with the first screwed hole, and fixation steel plate is provided with multiple 3rd screwed hole, utilizes screw rod to fix after align the first screwed hole and the 3rd screwed hole.
Preferably, described fixation steel plate is provided with sensor, and sensor one end is provided with eye bolt, and the through hole on eye bolt is fixedly connected with anchor cable, and anchor cable is fixed in side slope model through anchor cable hole, and the anchor cable one end being positioned at side slope model is anchor cable fixed end.
Preferably, described anchor cable hole position is provided with stopper.
Preferably, described sensor is connected with data collecting instrument.
Preferably, the modulus of elasticity of described anchor cable, cross-sectional area and prestress value draw according to the ratio calculation of anchor cable used in practice of construction and the likelihood ratio, and anchor cable hole position can arrange many minor diameter anchor cables.
Preferably, described sensor is fixedly connected with the mode that bolt can be adopted to pass screw between fixation steel plate, also the mode of magnetic power meter can be adopted to connect, adopt the connected mode of magnetic power meter, less to the position limitation of sensor on fixation steel plate, sensor can be fixed on optional position on fixation steel plate.
A kind of loading device for measuring force for side slope model experiment provided by the invention, by adopting said structure, regulate the position of inductor and anchor cable end, ensure that anchor cable is positioned at side slope model two parts that are inner and side slope model outside and is on same straight line, anchor cable generation is avoided to bend the Data Detection caused inaccurate, reduce data error, enable this device make adjustment according to the elevation of anchor hole and gradient, to meet the experiment testing requirement of each different side slope model;
Adopt the anchor cable of many minor diameters, in the mode of the pre-buried many anchor cables of same position, can effectively avoid in side slope model digging process, the anchor cable caused because of misoperation damages;
Adopt the mode of pre-buried aerial pipe to form anchor cable hole, can avoid because the likelihood ratio between model and actual conditions is too large, model is too little and make to cause model to damage in anchor hole digging process, ensures the integrality of side slope;
The fixation steel plate adopted is uniformly distributed large flow control three screwed hole, realize a device to be fixed many anchor cables, the anchor cable quantity in experimental model can be made consistent with Practical Project, ensure to maximize reduction condition of construction, guarantee the accuracy of experimental data.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is loading device for measuring force structural representation of the present invention.
Fig. 3 is supporting structure schematic diagram of the present invention.
Fig. 4 is slide bar of the present invention and fixture structure schematic diagram.
Fig. 5 is the structural representation of fixation steel plate of the present invention.
Fig. 6 is A place enlarged drawing in Fig. 5 of the present invention.
In figure: support 1, sensor 2, eye bolt 3, anchor cable 4, stopper 5, anchor cable hole 6, anchor cable fixed end 7, fixation steel plate 8, slide bar 9, first screwed hole 10, pulley 11, set bolt 12, chute 13, smooth hole 14, the second screwed hole 15, smooth shaft 16, rotating disk 17, threaded rod 18, base 19, the first rolling bearing 20, level board 21, second rolling bearing 22, data collecting instrument 23, the 3rd screwed hole 24, fastening devices 25.
Detailed description of the invention
As in figure, a kind of loading device for measuring force for side slope model experiment, comprise support 1, support 1 is divided into smooth shaft 16 and threaded rod 18, smooth shaft 16 and threaded rod 18 are parallel to each other, and smooth shaft 16 and threaded rod 18 are parallel to each other, and smooth shaft 16 bottom is fixedly installed on base 19, be provided with level board 21 between smooth shaft 16 and threaded rod 18 top, level board 21 is provided with scale;
Threaded rod 18 bottom is connected by the second rolling bearing 22 with between base 19, and threaded rod 18 top is through level board 21, and threaded rod 18 top is provided with rotating disk 17, and the position through level board is provided with the first rolling bearing 20;
Threaded rod 18 and smooth shaft 16 are provided with adjustment platform, regulate platform vertically above to move.
In preferred scheme, described adjustment platform comprises slide bar 9 and fastening devices 25, fastening devices 25 is provided with smooth hole 14 and the second screwed hole 15, smooth shaft 16 is through smooth hole 14, smooth shaft 16 is provided with scale, threaded rod 18, through the second screwed hole 15, fastening devices 25 is also provided with an opening, and slide bar 9 also can slide through opening in opening.
In preferred scheme, the open top face in described fastening devices 25 is provided with multiple pulley 11, and slide bar 9 end face is provided with chute 13, and pulley 11 is for controlling slide bar 9 glide direction.
In preferred scheme, the open top face in described fastening devices 25 is also provided with set bolt 12.
In preferred scheme, described slide bar 9 one end is connected with fixation steel plate 8, and slide bar 9 one end is provided with the first screwed hole 10, and fixation steel plate 8 is provided with multiple 3rd screwed hole 24, utilizes screw rod to fix after align the first screwed hole 10 and the 3rd screwed hole 24.
In preferred scheme, described fixation steel plate 8 is provided with sensor 2, and sensor 2 one end is provided with eye bolt 3, and the through hole on eye bolt 3 is fixedly connected with anchor cable 4, anchor cable 4 is fixed in side slope model through anchor cable hole 6, and the anchor cable one end being positioned at side slope model is anchor cable fixed end 7.
In preferred scheme, described anchor cable hole 6 position is provided with stopper 5.
In preferred scheme, described sensor 2 is connected with data collecting instrument 23.
In preferred scheme, the modulus of elasticity of described anchor cable 4, cross-sectional area and prestress value draw according to the ratio calculation of anchor cable used in practice of construction and the likelihood ratio, and anchor cable hole 6 position can arrange many minor diameter anchor cables 4.
One, model stream line length:
Anchored end coordinate point is obtained by similar coordinates conversion according to the practice of construction drawing combination model theory of similarity.In f (x, y, z)=F (x, y, z)/c formula, f (x, y, z) is model stream line anchored end coordinate, and F (x, y, z) is that actual anchor cable is deep into basement rock end coordinate, and c is the likelihood of model testing and Practical Project.In conjunction with dip angle of anchor cable, calculate anchored end and add that foundation plane is anchor cable length to sensor distance to excavation foundation plane.
Two, anchor cable ea
N root anchor cable in Practical Project to be reduced in experiment one, according to the theory of similarity, E'A'=N*EA/c
2, in formula, E'A' is similar anchor cable modulus of elasticity and cross-sectional area, and EA is actual anchor cable modulus of elasticity and cross-sectional area, and c is the likelihood of model testing and Practical Project.
Three, model stream line pre-stress design
According to the theory of similarity, model stream line prestressing force is f=F/c, and in formula, f is model stream line prestressing force, and F is actual prestressd anchor cable.
Four, model stream line prestressing force loads
According to the model stream line prestressing force calculated, regulate 9 slide bar position, observe sensor reading, after reaching loading predetermined value, fix set bolt 12, prestressd anchor cable reaches designing requirement.
Five, anchorage cable stress state monitoring
The reading of excavation limit, limit image data Acquisition Instrument 23, observes the force-bearing situation of similar anchor cable, evaluates anchoring effect, analyzes the stability state of unfavorable geologic body.
By adopting said apparatus, realizing equal proportion and convergent-divergent is carried out to Practical Project situation, maximize reduction actual conditions, guarantee the accuracy of experimental data, promote the reliability of assessment result.
Claims (9)
1. the loading device for measuring force for side slope model experiment, comprise support (1), it is characterized in that: support (1) is divided into smooth shaft (16) and threaded rod (18), smooth shaft (16) and threaded rod (18) are parallel to each other, smooth shaft (16) and threaded rod (18) are parallel to each other, smooth shaft (16) bottom is fixedly installed on base (19), is provided with level board (21) between smooth shaft (16) and threaded rod (18) top, and level board (21) is provided with scale;
Be connected by the second rolling bearing (22) between threaded rod (18) bottom with base (19), threaded rod (18) top is through level board (21), threaded rod (18) top is provided with rotating disk (17), and the position through level board is provided with the first rolling bearing (20);
Threaded rod (18) and smooth shaft (16) are provided with adjustment platform, regulate platform vertically above to move.
2. a kind of loading device for measuring force for side slope model experiment according to claim 1, it is characterized in that: described adjustment platform comprises slide bar (9) and fastening devices (25), fastening devices (25) is provided with smooth hole (14) and the second screwed hole (15), smooth shaft (16) is through smooth hole (14), smooth shaft (16) is provided with scale, threaded rod (18) is through the second screwed hole (15), fastening devices (25) is also provided with an opening, slide bar (9) also can slide through opening in opening.
3. a kind of loading device for measuring force for side slope model experiment according to claim 2, it is characterized in that: the open top face in described fastening devices (25) is provided with multiple pulley (11), slide bar (9) end face is provided with chute (13), and pulley (11) is for controlling slide bar (9) glide direction.
4. a kind of loading device for measuring force for side slope model experiment according to claim 3, is characterized in that: the open top face in described fastening devices (25) is also provided with set bolt (12).
5. a kind of loading device for measuring force for side slope model experiment according to claim 2, it is characterized in that: described slide bar (9) one end is connected with fixation steel plate (8), slide bar (9) one end is provided with the first screwed hole (10), fixation steel plate (8) is provided with multiple 3rd screwed hole (24), utilizes screw rod to fix after align the first screwed hole (10) and the 3rd screwed hole (24).
6. a kind of loading device for measuring force for side slope model experiment according to claim 5, it is characterized in that: described fixation steel plate (8) is provided with sensor (2), sensor (2) one end is provided with eye bolt (3), through hole on eye bolt (3) is fixedly connected with anchor cable (4), anchor cable (4) is fixed in side slope model through anchor cable hole (6), and the anchor cable one end being positioned at side slope model is anchor cable fixed end (7).
7. a kind of loading device for measuring force for side slope model experiment according to claim 6, is characterized in that: described anchor cable hole (6) position is provided with stopper (5).
8. a kind of loading device for measuring force for side slope model experiment according to claim 6, is characterized in that: described sensor (2) is connected with data collecting instrument (23).
9. a kind of loading device for measuring force for side slope model experiment according to claim 6, it is characterized in that: the modulus of elasticity of described anchor cable (4), cross-sectional area and prestress value draw according to the ratio calculation of anchor cable used in practice of construction and the likelihood ratio, and anchor cable hole (6) position can arrange many minor diameter anchor cables (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754658.1U CN204982983U (en) | 2015-09-25 | 2015-09-25 | A loading measuring force device for side slope model experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754658.1U CN204982983U (en) | 2015-09-25 | 2015-09-25 | A loading measuring force device for side slope model experiment |
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|---|---|
| CN204982983U true CN204982983U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520754658.1U Expired - Fee Related CN204982983U (en) | 2015-09-25 | 2015-09-25 | A loading measuring force device for side slope model experiment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133673A (en) * | 2015-09-25 | 2015-12-09 | 三峡大学 | Loading force measuring device for slope model experiment and loading fixing method of loading force measuring device |
| CN111811422A (en) * | 2020-07-30 | 2020-10-23 | 中国水利水电科学研究院 | Rock slope deformation on-line monitoring collection system based on anchor rope is firm |
-
2015
- 2015-09-25 CN CN201520754658.1U patent/CN204982983U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133673A (en) * | 2015-09-25 | 2015-12-09 | 三峡大学 | Loading force measuring device for slope model experiment and loading fixing method of loading force measuring device |
| CN111811422A (en) * | 2020-07-30 | 2020-10-23 | 中国水利水电科学研究院 | Rock slope deformation on-line monitoring collection system based on anchor rope is firm |
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| C14 | Grant of patent or utility model | ||
| 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: 20160120 Termination date: 20160925 |