CN204514682U - A kind of triaxial compression test original state soil body sample preparation device - Google Patents
A kind of triaxial compression test original state soil body sample preparation device Download PDFInfo
- Publication number
- CN204514682U CN204514682U CN201520187395.0U CN201520187395U CN204514682U CN 204514682 U CN204514682 U CN 204514682U CN 201520187395 U CN201520187395 U CN 201520187395U CN 204514682 U CN204514682 U CN 204514682U
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- soil body
- stepper motor
- motor
- gear teeth
- support bar
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of triaxial compression test original state soil body sample preparation device, base plate connects top board by column, base plate upper end is provided with bottom plate, stepper motor A is connected by swivel link with gear teeth case, and be fixed on top board, gear teeth case is connected and fixed nut, swivel link low side is provided with mounting plate, column side is provided with back up pad, back up pad upper end is provided with motor, motor makes slide block move on slide rail by connecting rod, slide block connects support bar, support bar front end attaching nut, screw mandrel is through nut, screw mandrel front end is provided with blade, rear end connects stepper motor B, the soil body is placed in pop-up class and bottom plate, stepper motor A is by driven rotary link rotatable after gear teeth case speed change, driven by motor link motion, slide block drives support bar to move up and down by link motion, blade is impelled to vertically move, the blade cuts soil body after stepper motor B drives screw mandrel to rotate, complete the action of cutting, have and reduce soil disturbance, make specimen size regular, shorten the advantage of preparation time.
Description
Technical field
The utility model belongs to centrifugal modeling device technique field, is specifically related to a kind of triaxial compression test original state soil body sample preparation device.
Background technology
Triaxial compression test (also known as triaxial machining experiment), it is one of test method measuring soil strength in civil engineering work, but for a long time, the Measures compare that the preparation of triaxial compression test undisturbed sample adopts falls behind and is mostly manual operation, traditional method is sealed with wax and adhesive tape for peelling off soil sample tube, open soil sample tube and take out soil sample, first cut with fret-saw or native cutter the earth pillar that is a bit larger tham given size, to be placed on cutting soil disk between lower disc, with fret-saw or cut native cutter only by side plate, careful cutting from top to bottom, limit cutting edge rotary disk, be cut into the diameter of regulation until soil sample till, disturbance should be avoided during cutting, but the disturbance of whole sample preparation to soil is large, specimen size irregularity, preparation time length is problem demanding prompt solution in preparation process always.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of triaxial compression test original state soil body sample preparation device, adopt and automatically hold concurrently or semiautomatic-mode, have soil sample disturbance little, specimen size is regular, the feature that sample preparation time is short, and sample can keep virgin state, make experimental result really reflect the actual conditions of the soil body, experimental result is more accurate.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of triaxial compression test original state soil body sample preparation device, comprise base plate, column, top board, base plate connects top board by column, base plate upper end is provided with bottom plate, stepper motor A is connected by swivel link with gear teeth case, and be fixed on top board, gear teeth case is connected and fixed nut, swivel link low side is provided with mounting plate, column side is provided with back up pad, back up pad upper end is provided with motor, motor makes slide block move on slide rail by connecting rod, slide block connects support bar, support bar front end attaching nut, screw mandrel is through nut, screw mandrel front end is provided with blade, rear end connects stepper motor B.
Described bottom plate and mounting plate are provided with convex thorn.
Compared with prior art, the beneficial effects of the utility model are:
The utility model adopts three axle manipulations, soil sample rotating part Main Function is that undisturbed sample is rotated by certain speed, ensure to cut evenly, the effect moved up and down ensures moving up and down of stage property, the effect moved horizontally ensures moving horizontally of stage property, have and reduce soil disturbance, make specimen size regular, shorten the advantage of preparation time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is right view structural representation of the present utility model.
Wherein, 1 is base plate; 2 is column; 3 is top board; 4 is stepper motor A; 5 gear teeth casees; 6 is swivel link; 7 is mounting plate; 8 is convex thorn; 9 is hold-down nut; 10 is bottom plate; 11 is back up pad; 12 is motor; 13 is connecting rod; 14 is slide rail; 15 is slide block; 16 is support bar; 17 is nut; 18 is screw mandrel; 19 is blade; 20 is stepper motor B.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As Fig. 1, shown in 2, a kind of triaxial compression test original state soil body sample preparation device, comprise base plate 1, column 2, top board 3, base plate 1 connects top board 3 by column 2, base plate 1 upper end is provided with bottom plate 10, top board 3 lower end is provided with stepper motor A4, upper end is provided with gear teeth case 5, gear teeth case 5 is connected and fixed nut 9, swivel link 6 runs through top board 3, stepper motor A4, gear teeth case 5, swivel link 6 low side is provided with mounting plate 7, pop-up class 7 is provided with convex thorn 8, column 2 side is provided with back up pad 11, back up pad 11 upper end is provided with motor 12, motor 12 connects connecting rod 13, connecting rod 13 connection sliding block 15 is fixed on slide rail 14, slide block 15 connects support bar 16, support bar 16 front end attaching nut 17, screw mandrel 18 is through nut 17, screw mandrel 18 front end is provided with blade 19, rear end connects stepper motor B20.
Described stepper motor A4 and the rotation of stepper motor B20 are not continuous print but substep, this ensures that there cutter in the cutting stability of working angles and undisturbed sample integrality.
In order to make the surface of test piece of cutting closer to circle, the anglec of rotation of stepper motor A4 starts to be set as 15 degree, after the diameter of the test specimen cut reaches necessary requirement, the anglec of rotation of adjustment stepper motor A4 is 7.5 degree, be required test specimen cut a circle under this angle after, this ensure that cutting test specimen is a cylinder.
The soil body is placed in described pop-up class 7 and bottom plate 10, stepper motor A4 is rotated by driven rotary connecting rod 6 after gear teeth case 5 speed change, motor 12 drivening rod 13 moves, slide block 15 is moved by connecting rod 13 and drives support bar 16 to move up and down, blade 19 is impelled to vertically move, stepper motor B20 drives screw mandrel 18 to rotate rear blade 19 cutting soil, completes the action of cutting.
Claims (2)
1. a triaxial compression test original state soil body sample preparation device, comprise base plate (1), column (2), top board (3), base plate (1) connects top board (3) by column (2), it is characterized in that, base plate (1) upper end is provided with bottom plate (10), stepper motor A(4) be connected by swivel link (6) with gear teeth case (5), and be fixed on top board (3), gear teeth case (5) is connected and fixed nut (9), swivel link (6) low side is provided with mounting plate (7), column (2) side is provided with back up pad (11), back up pad (11) upper end is provided with motor (12), motor (12) makes slide block (15) in the upper motion of slide rail (14) by connecting rod (13), slide block (15) connects support bar (16), support bar (16) front end attaching nut (17), screw mandrel (18) is through nut (17), screw mandrel (18) front end is provided with blade (19), rear end connects stepper motor B(20).
2. a kind of triaxial compression test original state soil body sample preparation device according to claim 1, is characterized in that, described bottom plate (10) and mounting plate (7) are provided with convex thorn (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187395.0U CN204514682U (en) | 2015-03-31 | 2015-03-31 | A kind of triaxial compression test original state soil body sample preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187395.0U CN204514682U (en) | 2015-03-31 | 2015-03-31 | A kind of triaxial compression test original state soil body sample preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204514682U true CN204514682U (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520187395.0U Expired - Fee Related CN204514682U (en) | 2015-03-31 | 2015-03-31 | A kind of triaxial compression test original state soil body sample preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204514682U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596219A (en) * | 2016-11-30 | 2017-04-26 | 同济大学 | Electric triaxial test soil cutting device for soil sample |
| CN108844792A (en) * | 2018-06-15 | 2018-11-20 | 绍兴文理学院 | A kind of three axis sample sample preparation technique of lift undisturbed soil |
| CN109030135A (en) * | 2018-06-15 | 2018-12-18 | 绍兴文理学院 | A kind of three axis sample sample preparation device of rotation drop formula undisturbed soil |
| CN109060467A (en) * | 2018-06-15 | 2018-12-21 | 绍兴文理学院 | A kind of three axis sample sample preparation device of lift undisturbed soil |
| CN111307553A (en) * | 2020-04-13 | 2020-06-19 | 吉林大学 | Triaxial sample soil cutter and use method thereof |
| CN113740134A (en) * | 2021-09-24 | 2021-12-03 | 中国电建集团成都勘测设计研究院有限公司 | Be used for triaxial test soil sample preparation facilities |
| CN114018670A (en) * | 2021-11-09 | 2022-02-08 | 广西北投交通养护科技集团有限公司 | Intelligent soil cutting device for geotechnical triaxial test and sample preparation method |
| CN114428007A (en) * | 2022-01-12 | 2022-05-03 | 中国矿业大学(北京) | Soil sample preparation device |
-
2015
- 2015-03-31 CN CN201520187395.0U patent/CN204514682U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596219A (en) * | 2016-11-30 | 2017-04-26 | 同济大学 | Electric triaxial test soil cutting device for soil sample |
| CN108844792A (en) * | 2018-06-15 | 2018-11-20 | 绍兴文理学院 | A kind of three axis sample sample preparation technique of lift undisturbed soil |
| CN109030135A (en) * | 2018-06-15 | 2018-12-18 | 绍兴文理学院 | A kind of three axis sample sample preparation device of rotation drop formula undisturbed soil |
| CN109060467A (en) * | 2018-06-15 | 2018-12-21 | 绍兴文理学院 | A kind of three axis sample sample preparation device of lift undisturbed soil |
| CN109060467B (en) * | 2018-06-15 | 2021-02-26 | 绍兴文理学院 | Over-and-under type original state soil triaxial sample system appearance ware |
| CN111307553A (en) * | 2020-04-13 | 2020-06-19 | 吉林大学 | Triaxial sample soil cutter and use method thereof |
| CN111307553B (en) * | 2020-04-13 | 2024-04-12 | 吉林大学 | Triaxial sample soil cutter and application method thereof |
| CN113740134A (en) * | 2021-09-24 | 2021-12-03 | 中国电建集团成都勘测设计研究院有限公司 | Be used for triaxial test soil sample preparation facilities |
| CN113740134B (en) * | 2021-09-24 | 2023-11-28 | 中国电建集团成都勘测设计研究院有限公司 | Be used for triaxial test soil sample preparation facilities |
| CN114018670A (en) * | 2021-11-09 | 2022-02-08 | 广西北投交通养护科技集团有限公司 | Intelligent soil cutting device for geotechnical triaxial test and sample preparation method |
| CN114428007A (en) * | 2022-01-12 | 2022-05-03 | 中国矿业大学(北京) | Soil sample preparation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150729 Termination date: 20190331 |