CN209690088U - Sample devices are cut in a kind of torsion of multifunctional in-situ Rock And Soil - Google Patents
Sample devices are cut in a kind of torsion of multifunctional in-situ Rock And Soil Download PDFInfo
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- CN209690088U CN209690088U CN201920278573.9U CN201920278573U CN209690088U CN 209690088 U CN209690088 U CN 209690088U CN 201920278573 U CN201920278573 U CN 201920278573U CN 209690088 U CN209690088 U CN 209690088U
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Abstract
A kind of torsion of multifunctional in-situ Rock And Soil cuts Sample devices and includes support platform and be located at the servo motor of the support platform upper end, hydraulic jack, telescopic rod, push rod are equipped in the support platform lower end, the telescopic rod upper end passes through support platform and servo motor transmission axis connection, and the push rod upper end passes through support platform and connect with hydraulic jack；Gear A is fixed in telescopic rod lower end；Push rod is socketed on the sample sleeve by connector and sample sleeve connection, gear B, and gear B is meshed with fixed gear A.This torsional shear learns tester and not only controls the normal pressure that hydraulic jack is applied using force snesor, can also control the normal tension that hydraulic jack is applied；Servo motor cooperates with hydraulic jack, while applying normal direction pressure (drawing) power and side twisting resistance to sample, carries out pressure (drawing) the torsional shear test of live sample, makes it possible to carry out mechanical property research to live sample.
Description
Technical field
The utility model belongs to geotechnical engineering mechanical test instrument field, is related to a kind of torsion of multifunctional in-situ Rock And Soil and cuts examination
Sampling device.
Background technique
The shear strength parameter of Rock And Soil is the underlying parameter of deformation of geotechnical engineering stability analysis, and common acquisition methods are
Laboratory test and field test.Wherein, testing generally carry out at the scene is direct shear test, and what normal stress considered is pressure
Stress, namely what is carried out is compression-shear test.But there is only the stress state of compression shear, Er Qie for many Rock And Soils in engineering
There is the stress state drawn and cut in more situation, such as Slope shoulder position.It is previous studies have shown that tension-shear tests state and compression shear
The mechanical characteristic difference of Rock And Soil is obvious under stress state, therefore, it is necessary to consider the practical occurrence condition of engineering rock mass, carries out phase
Answer the test of stress state.
Torsion shear test is novel shearing test method, and the application of shear load, Ke Yibao are realized by applying twisting resistance
Card during shearing the section of shear it is constant, indoors test in apply it is more, but mainly loading method be vertical
Direction applies compression, and horizontal direction applies torsional shear load namely compression-shear test.But it is large-scale due to field environment complexity
Indoor torsion shear apparatus device and equipment are difficult to meet site requirement, it is difficult to realize the torsional shear test of field rock mass, and test
The original position of process Rock And Soil sample not can guarantee.
In order to preferably study the mechanical property under Rock And Soil complex stress condition, ginseng is provided for Rock And Soil quality evaluation
It examines.Therefore, the utility model emphasis researches and develops a kind of torsion of multifunctional in-situ Rock And Soil and cuts Sample devices, realizes live Rock And Soil sample
Torsion shear test in situ, including compression shear and tensile shear testing.
Summary of the invention
The utility model is directed to that compression shear mechanical test can be carried out, draws a kind of multifunctional in-situ ground for cutting mechanical test
Sample devices are cut in body torsion, are operated conveniently, and the limitation of sample chamber interior mechanics test has been broken, and are realized the torsion of field sample scene and are cut
The operability of mechanical test.
The utility model in order to solve the above problem used by technical solution be: examination is cut in a kind of torsion of multifunctional in-situ Rock And Soil
Sampling device includes support platform and is located at the servo motor of the support platform upper end, hydraulic jack, in the support platform
Lower end is equipped with telescopic rod, push rod, and the telescopic rod upper end is in support platform and servo motor transmission axis connection, the push rod
End is connect across support platform with hydraulic jack；
The fixed gear A in the telescopic rod lower end；
The push rod is socketed on the sample sleeve by connector and sample sleeve connection, gear B, gear B with
Fixed gear A is meshed.
Preferably, the connector is round iron post, disk；
The disk is placed on sample sleeve, and round iron post is arranged in disk upper surface and is in contact with push rod.
Preferably, the connector is circular ring-shaped nut A, circular ring-shaped nut B, annulus；
It is equipped with one or two circular hole A in the push rod bottom, is equipped with one or two circular hole B in sample sleeve upper end,
One or two circular ring-shaped nut A penetrates in one or two circular hole A, and one or two circular ring-shaped nut B penetrates one
Or in two circular hole B, annulus upper end is equipped with circular ring-shaped nut A fixation hole, lower end is equipped with circular ring-shaped nut B fixation hole, circle
Ring upper end is set in push rod lower end, lower end is set in sample sleeve upper end.
Preferably, the Sample devices further include force snesor, and force snesor connect pass with hydraulic jack, servo motor
System.Force snesor is normal direction pressure (drawing) power for controlling hydraulic jack and being applied, and the shaft band movable tooth of monitoring servo motor
Wheel rotation and apply side twisting resistance, thus obtain the shearing strength of sample.
Preferably, the sample sleeve surface has screw thread, using upper annular collar nut, lower annular collar nut by gear
B is fixed on sleeve.
A kind of multifunctional in-situ Rock And Soil torsion described in the utility model is cut Sample devices and is had the advantage that
(1) a kind of multifunctional in-situ Rock And Soil torsion described in the utility model cuts Sample devices using apparatus control, passes through A
Gear is engaged with gear B, realizes the shear strength test of sample；Up and down with annular spiral shell when gear B is fixed on sample sleeve
Mother is fixed, prevents gear from sliding in rotary course；Sample sleeve is the synthesis of two semicolumns, by collar nut by tooth
When wheel is fixed into sleeve, effectively sample sleeve can also be tightened on sample, the rotation of gear is to drive sample
Twist motion；This torsion shear test instrument ensure that the original position of sample, test can from operability, and test carry out it is effective
Property；
(2) Sample devices are cut in a kind of multifunctional in-situ Rock And Soil torsion described in the utility model can carry out compression shear mechanics examination
It tests, draw and cut mechanical test, compression shear mechanical test applies the pressure of normal direction by hydraulic jack, and drawing cuts mechanical test by hydraulic
The pulling force of jack application normal direction；
(3) a kind of multifunctional in-situ Rock And Soil torsion described in the utility model cuts Sample devices for field condition torsion shear test
The use of middle sleeve is tested in facilitation, simplification and standardization, protect test during sample integrality, have convenient for pair
The crackle of sample is effectively analyzed after torsion shear test；Reduce the test error of entire torsion shear test；This torsion shear test instrument exists
It is simple and convenient during whole operation, it is small to sample injury, the test period is shortened, it is high-efficient.
Detailed description of the invention
Sample devices structural schematic diagram is cut in a kind of multifunctional in-situ Rock And Soil torsion of Fig. 1.
Fig. 2 is that another structural schematic diagram of Sample devices is cut in a kind of torsion of multifunctional in-situ Rock And Soil.
Fig. 3 A, B gear are nested schematic diagram.
Fig. 4 sample sleeve schematic diagram.
Fig. 5 annulus schematic diagram.
In such as figure, controller 1, servo motor 3, hydraulic jack 4, support platform 5, protection cylinder B6, is protected force snesor 2
Casing A7, push rod 8, disk 10, telescopic rod 11, upper collar nut 12, gear A 13, gear B 14, sample sleeve 15, lower annular spiral shell
Female 16, annulus 17, circular hole A18, circular ring-shaped nut A19, circular hole B20, circular ring-shaped nut B21.
Specific embodiment
It elaborates below with reference to the accompanying drawings and in conjunction with the embodiments to the utility model:
As shown in figure 1, a kind of multifunctional in-situ Rock And Soil torsion cuts Sample devices and can carry out compression shear mechanical test, shearing is drawn to learn examination
It tests, Sample devices are respectively force snesor 2, support platform 5, servo motor 3, hydraulic jack 4:
Controller 1 can control the operation of servo motor 3, hydraulic jack 4；The force snesor 2 is control hydraulic jack
Normal direction pressure (drawing) power that top 4 is applied, and the shaft of monitoring servo motor 3 drive the rotation of A gear 13 and the side torsion of application
Power, so that the side twisting resistance applied by servo motor 3, is calculated the shearing strength of sample；
It is located at servo motor 3, the hydraulic jack 4 of 5 upper end of support platform, is equipped in 5 lower end of support platform
Telescopic rod 11, push rod 8；
5 lower end of support platform be equipped with telescopic rod 11, push rod 8,11 upper end of telescopic rod pass through support platform 5 with
Servo motor 3 is driven axis connection, and 8 upper end of push rod passes through support platform 5 and connect with hydraulic jack 4；The telescopic rod
Gear A 13 is fixed in 11 lower ends；
The push rod 8 is connect by connector with sample sleeve 15, and gear B 14 is socketed on the sample sleeve 15,
In Fig. 3, gear B 14 is meshed with fixed gear A 13, the rotation of gear A 13 is driven by servo motor 3, thus with movable tooth
Take turns the dynamic in brill of B14；Gear B 14 is fixed on sleeve 15 using upper collar nut 12, lower collar nut 16, as shown in Figure 4,
There is screw thread on 15 surface of sample sleeve；Telescopic rod 11 and push rod 8 are located in protection cylinder A7, protection cylinder B6,15 table of sample sleeve
There is screw thread in face；
Preferably, as shown in figure 1, the connector is round iron post 9, disk 10；
The disk 10 is placed on sample sleeve 15, and round iron post 9 is arranged in 10 upper surface of disk and connects with push rod 8
Touching.
Preferably, as in Fig. 2, the connector be circular ring-shaped nut A19, circular ring-shaped nut B21, annulus 17(such as
In Fig. 5)；
Two circular hole A18 are equipped in 8 bottom of push rod, are equipped with one or two circular hole B in 15 upper end of sample sleeve
20, two circular ring-shaped nut A19 are penetrated in one or two circular hole A18, and one or two circular ring-shaped nut B21 penetrates one
In a or two circular hole B20,17 upper end of annulus is equipped with circular ring-shaped nut A19 fixation hole, lower end is equipped with circular ring-shaped nut B21
Fixation hole, 17 upper end of annulus is set in 8 lower end of push rod, lower end is set in 15 upper end of sample sleeve.
The compression shear mechanical test be in hydraulic jack 4 on be fixedly connected with push rod 8, one end and 9 phase of round iron post of push rod 8
It supports, round iron post 9 is placed in 10 upper end of disk, and disk 10 is placed on sample sleeve 15；
It is that push rod 8 is fixedly connected in hydraulic jack 4 that mechanical test is cut in the drawing, one end of push rod 8 and sample sleeve 15
It offsets, 8 bottom of push rod is there are two circular hole A18, and there are two circular hole B20, two upper circular ring-shaped nut A19 at sample sleeve 15 top
It is by circular hole A18 that annulus 17 and push rod 8 is fixed respectively；Two lower circular ring-shaped nut B21 pass through circular hole B20 for push rod respectively
8 are fixedly connected with sleeve 15 by annulus 17；
The course of work of the utility model is as follows:
A kind of torsion of multifunctional in-situ Rock And Soil cuts Sample devices and carries out compression shear mechanical test:
Sample is filled, sample sleeve 15 is mounted on sample, is consolidated gear B by upper collar nut 12, lower collar nut 16
It is scheduled on sample sleeve, tightens collar nut 12, lower collar nut 16；Disk 10 is placed on sample sleeve 15, in disk
Round iron post 9 is placed on 10；
It preloads, starts servo motor 3, transfer telescopic rod 11, nibble gear A 13 and 14 phase of gear B on telescopic rod 11
It closes；Start hydraulic jack 4, transfer push rod 8, so that push rod 8 is offseted with round iron post 9, and make push rod 8, round iron post 9, disk 10 and
The center of sample is in same axis；
Load, applies different normal direction pressure (drawing) power by controller, while being again started up servo motor and hydraulic jack
Start to test, until after sample destroys；
Normal direction pressure (drawing) power and lateral torsional shear are laid down in sampling, are removed round iron post and disk, are returned collar nut
12, lower collar nut 16 and gear B, rise telescopic rod take out sleeve, obtain torsion shear test sample.
A kind of torsion of multifunctional in-situ Rock And Soil, which is cut Sample devices and draw, cuts mechanical test:
Sample is filled, sample sleeve 15 is mounted on sample, by upper collar nut 12, lower collar nut 16 by gear B 14
It is fixed on sample sleeve 15, tightens collar nut 12, lower collar nut 16；Annulus 10 is placed on sample sleeve 15, is opened
Hydrodynamic pressure jack transfers push rod 8, makes push rod 8 close to sample sleeve 15, and two upper circular ring-shaped nut A19 pass through 8 bottom of push rod
Circular hole at the top of portion and sleeve, push rod and sleeve are fixed；
It preloads, starts servo motor 3, transfer telescopic rod 11, keep gear A on telescopic rod 11 and gear B mutually ratcheting；
Load, applies different normal direction pressure (drawing) power by controller 1, while being again started up servo motor and hydraulic jack
Start to test, until after sample destroys；
Normal direction pressure (drawing) power and lateral torsional shear are laid down in sampling, are removed round iron post and disk, are returned collar nut
12, lower collar nut 16 and gear B, rise telescopic rod take out sleeve, obtain torsion shear test sample.
Claims (4)
1. Sample devices are cut in a kind of multifunctional in-situ Rock And Soil torsion, it is characterized in that: Sample devices include support platform (5) and set
Servo motor (3), hydraulic jack (4) in the support platform (5) upper end are equipped in the support platform (5) lower end and stretch
Contracting bar (11), push rod (8), telescopic rod (11) upper end pass through support platform (5) and servo motor (3) and are driven axis connection, institute
Push rod (8) upper end is stated to connect across support platform (5) with hydraulic jack (4)；
Telescopic rod (11) lower end is fixed gear A (13)；
The push rod (8) is connect by connector with sample sleeve (15), and gear B (14) is socketed in the sample sleeve (15)
On, gear B (14) is meshed with fixed gear A (13).
2. Sample devices are cut in a kind of multifunctional in-situ Rock And Soil torsion according to claim 1, it is characterized in that: the connector
For round iron post (9), disk (10)；
The disk (10) is placed on sample sleeve (15), and round iron post (9) setting is in disk (10) upper surface and and push rod
(8) it is in contact.
3. Sample devices are cut in a kind of multifunctional in-situ Rock And Soil torsion according to claim 1, it is characterized in that: the connector
For circular ring-shaped nut A(19), circular ring-shaped nut B(21), annulus (17)；
It is equipped with one or two circular hole A (18) in the push rod (8) bottom, is equipped with one or two in sample sleeve (15) upper end
Circular hole B (20), one or two circular ring-shaped nut A(19) it penetrates in one or two circular hole A (18), one or two circles
Shape collar nut B(21) it penetrates in one or two circular hole B (20), annulus (17) upper end is equipped with circular ring-shaped nut A(19) solid
Determine hole, lower end is equipped with circular ring-shaped nut B(21) fixation hole, annulus (17) upper end is set in push rod (8) lower end, lower end is set in
Sample sleeve (15) upper end.
4. Sample devices are cut in a kind of multifunctional in-situ Rock And Soil torsion according to claim 1, it is characterized in that: the sample fills
Setting further includes force snesor (2), and force snesor (2) is connect with hydraulic jack (4), servo motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278573.9U CN209690088U (en) | 2019-03-05 | 2019-03-05 | Sample devices are cut in a kind of torsion of multifunctional in-situ Rock And Soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278573.9U CN209690088U (en) | 2019-03-05 | 2019-03-05 | Sample devices are cut in a kind of torsion of multifunctional in-situ Rock And Soil |
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| Publication Number | Publication Date |
|---|---|
| CN209690088U true CN209690088U (en) | 2019-11-26 |
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ID=68603812
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920278573.9U Active CN209690088U (en) | 2019-03-05 | 2019-03-05 | Sample devices are cut in a kind of torsion of multifunctional in-situ Rock And Soil |
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| Country | Link |
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| CN (1) | CN209690088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870370A (en) * | 2019-03-05 | 2019-06-11 | 三峡大学 | Sample devices are cut in a kind of torsion of multifunctional in-situ Rock And Soil |
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2019
- 2019-03-05 CN CN201920278573.9U patent/CN209690088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870370A (en) * | 2019-03-05 | 2019-06-11 | 三峡大学 | Sample devices are cut in a kind of torsion of multifunctional in-situ Rock And Soil |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiong Yu Inventor after: Duan Lingling Inventor after: Deng Huafeng Inventor after: Zhi Yongyan Inventor after: Pan Deng Inventor after: Li Tao Inventor after: Qi Yu Inventor before: Duan Lingling Inventor before: Deng Huafeng Inventor before: Zhi Yongyan Inventor before: Pan Deng Inventor before: Xiong Yu Inventor before: Li Tao Inventor before: Qi Yu |