CN203117018U - Straight shearing pre-pressing instrument - Google Patents
Straight shearing pre-pressing instrument Download PDFInfo
- Publication number
- CN203117018U CN203117018U CN 201320087298 CN201320087298U CN203117018U CN 203117018 U CN203117018 U CN 203117018U CN 201320087298 CN201320087298 CN 201320087298 CN 201320087298 U CN201320087298 U CN 201320087298U CN 203117018 U CN203117018 U CN 203117018U
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- CN
- China
- Prior art keywords
- soil sample
- sample container
- cylinder
- test
- air pump
- 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.)
- Expired - Lifetime
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a straight shearing pre-pressing instrument which comprises a rack and a test die frame, wherein the test die frame is arranged on the rack; a cross beam is arranged at the top of the test die frame; a plurality of test sample manufacturing areas are arranged in the test die frame; the cross beam is provided with a press block corresponding to each test sample manufacturing area respectively; during a pre-pressing test, a soil sample container is arranged in each test sample manufacturing area; a plurality of test dies are arranged in each soil sample container; porous stones are arranged among the test dies in each soil sample container; each press block is arranged at the top of the corresponding soil sample container; the straight shearing pre-pressing instrument further comprises an air pump, cylinders and a controller; the number of the cylinders is equal to that of the test sample manufacturing areas; the air pump is in pipeline connection with each cylinder; a top plug is arranged in each cylinder and at the lower side of each test sample manufacturing areas, and is butted to the bottom of each soil sample container; and the air pump is in signal connection with the controller. The straight shearing pre-pressing instrument is simple in structure and convenient to operate, and can improve the quality of each soil test sample simultaneously.
Description
Technical field
The utility model relates to the instrument that a kind of making is used for shearing the earth sample, more specifically is a kind of staight scissors precompressed instrument, belongs to the test apparatus technical field.
Background technology
Staight scissors precompressed instrument is by soil sample being applied pressure at right angle, make the steady admittedly back of soil sample draining be the special pressure instrument of consolidated quick shear test, once can making a plurality of samples.Existing staight scissors precompressed instrument comprises frame, die trial frame, bar thick stick and counterweight, and the die trial frame is arranged on the frame, and the top of die trial frame has crossbeam, and the die trial frame has several sample production districts, and corresponding each sample production district is provided with a briquetting at crossbeam.When precompressed is tested, settle a soil sample container in each sample production district, be provided with several die trials in each soil sample container, between each die trial of each soil sample container, be provided with permeable stone, the roof pressure piece of each soil sample container correspondence withstands on this group soil sample container top.The fulcrum of bar thick stick is arranged on the frame, and corresponding each sample production district is provided with a bar thick stick, and an end of bar thick stick is provided with counterweight, the other end and upwards withstands on soil sample container bottom in the corresponding sample production district.Like this, be equipped with counterweight by the end to each bar thick stick, make to push up on each bar thick stick other end and respectively organize the soil sample container bottom, namely soil sample is applied pressure at right angle, make for shearing the earth sample.Its bar thick stick ratio is generally 1:12, and maximum pressure generally reaches 400kpa.
Six samples of above-mentioned staight scissors precompressed instrument operated by rotary motion are made the district, six die trials of general arrangement in the soil sample container in each sample production district, just once can make 36 and shear the earth sample, has higher work efficiency, but, because it has adopted a plurality of bar thick sticks and counterweight, complex structure, need during operation the soil sample container pressurization employing in each sample production district is hung counterweight at the respective rods thick stick, have the deficiency of inconvenient operation.Simultaneously, in the process of soil sample compacting, the angle of bar thick stick can change, and the angle that the bar thick stick is upwards withstood on also changes to some extent, cannot say for sure to demonstrate,prove the stressed vertical of soil sample, just makes the stressed of soil sample cannot say for sure that card evenly, has influenced the quality of earth sample.
The utility model content
At above-mentioned situation, the problem that the utility model quasi-solution is determined provides a kind of simple in structure, easy to operate staight scissors precompressed instrument, can improve the quality of earth sample simultaneously.
For reaching above-mentioned purpose, the utility model has adopted following technical scheme: a kind of staight scissors precompressed instrument, it comprises frame, die trial frame, described die trial frame is arranged on the frame, the top of described die trial frame has crossbeam, have several sample production districts in the described die trial frame, corresponding each the sample production district of described crossbeam is provided with a briquetting; When precompressed is tested, settle a soil sample container in each sample production district, be provided with several die trials in each soil sample container, be provided with permeable stone between each die trial in each soil sample container, described briquetting is at the top of corresponding soil sample container, described staight scissors precompressed instrument also comprises air pump, cylinder and controller, described cylinder equates with the quantity in sample production district, described air pump is connected with each cylinder pipeline respectively, be respectively equipped with the top plug in described each cylinder, top plug in described each cylinder is respectively at each sample production district downside, and each top plug withstands on the bottom of each soil sample container respectively; Described air pump is connected with controller signals.
As the improvement of staight scissors precompressed instrument of the present utility model, described air pump and each cylinder connecting tube are provided with pressure control valve, and described each pressure control valve is connected with controller signals respectively.
Adopt such scheme, staight scissors precompressed instrument of the present utility model, because group has been gone into air pump, cylinder and controller, the top plug in each cylinder is respectively at each sample production district downside, and each top plug withstands on the bottom of each soil sample container respectively.The pressure that produces by air pump work can make the top plug have and upward pressure, and its pressure size is controlled by controller.Like this, compared with prior art, omitted a plurality of bar thick sticks and counterweight, made it simple in structure, only need open air pump during operation and get final product, easy to operate.Simultaneously, in the process of soil sample compacting, push up the pressure of plug all the time vertically upward, just soil sample is stressed vertical all the time, makes the stressed even of soil sample, can improve the quality of earth sample.
In improvement project, air pump and each cylinder connecting tube are provided with pressure control valve, and each pressure control valve is connected with controller signals respectively.The pressure that the top plug is produced is more accurate, further improves the quality of earth sample.
Description of drawings
Fig. 1 is the structural representation of the utility model staight scissors precompressed instrument.
Among the figure: the 1-frame, 2-die trial frame, the 3-crossbeam, 4-sample production district, the 5-briquetting, 6-soil sample container, the 7-die trial, the 8-permeable stone, the 9-air pump, the 10-cylinder, the 11-controller, 12-pushes up plug, the 13-pressure control valve.
Embodiment
As shown in Figure 1, staight scissors precompressed instrument of the present utility model, it comprises frame 1, die trial frame 2, described die trial frame 2 is arranged on the frame 1, the top of described die trial frame 2 has crossbeam 3, has six sample production districts 4 in the described die trial frame 2, certainly according to concrete actual conditions, the quantity in described sample production district 4 can change, as four or five etc.Described crossbeam 3 corresponding each sample production district 4 are provided with a briquetting 5.
When precompressed is tested, settle a soil sample container 6 in each sample production district 4, six soil sample containers 6 are just arranged.Being provided with several die trials 7(present embodiment in each soil sample container 6 is example to be provided with six die trials 7 in each soil sample container 6), just once can make 36 and shear the earth sample.Be provided with permeable stone 8 between each die trial 7 in each soil sample container 6, described briquetting 5 is at the top of corresponding soil sample container 6.The staight scissors precompressed instrument of said structure and prior art does not have the difference of essence, therefore no longer launches to describe.
The characteristics of staight scissors precompressed instrument of the present utility model are: described staight scissors precompressed instrument also comprises air pump 9, cylinder 10 and controller 11, and described cylinder 10 equates with the quantity in sample production district 4, also is six.Described air pump 9 is connected with each cylinder 10 pipeline respectively, is respectively equipped with top plug 12 in described each cylinder 10, and described top plug 12 mates with corresponding cylinder 10.Top plug 12 in described each cylinder 10 is respectively at each sample production district 4 downside, and each top plug 12 withstands on the bottom of each soil sample container 6 respectively.Described air pump 9 is connected with controller 11 signals.
As the improvement of staight scissors precompressed instrument of the present utility model, described air pump 9 is provided with pressure control valve 13 with each cylinder 10 connecting tube, and described each pressure control valve 13 is connected with controller 11 signals respectively.
Claims (2)
1. staight scissors precompressed instrument, it comprises frame (1), die trial frame (2), described die trial frame (2) is arranged on the frame (1), the top of described die trial frame (2) has crossbeam (3), have several sample production districts (4) in the described die trial frame (2), corresponding each the sample production district (4) of described crossbeam (3) is provided with a briquetting (5); When precompressed is tested, settle a soil sample container (6) in each sample production district (4), be provided with several die trials (7) in each soil sample container (6), be provided with permeable stone (8) between each die trial (7) in each soil sample container (6), described briquetting (5) is at the top of corresponding soil sample container (6), it is characterized in that described staight scissors precompressed instrument also comprises air pump (9), cylinder (10) and controller (11), described cylinder (10) equates with the quantity of sample production district (4), described air pump (9) is connected with each cylinder (10) pipeline respectively, be respectively equipped with top plug (12) in described each cylinder (10), top plug (12) in described each cylinder (10) is respectively at each sample production district (4) downside, and each top plug (12) withstands on the bottom of each soil sample container (6) respectively; Described air pump (9) is connected with controller (11) signal.
2. staight scissors precompressed instrument according to claim 1 is characterized in that described air pump (9) and each cylinder (10) connecting tube are provided with pressure control valve (13), and described each pressure control valve (13) is connected with controller (11) signal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087298 CN203117018U (en) | 2013-02-27 | 2013-02-27 | Straight shearing pre-pressing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087298 CN203117018U (en) | 2013-02-27 | 2013-02-27 | Straight shearing pre-pressing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203117018U true CN203117018U (en) | 2013-08-07 |
Family
ID=48897353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320087298 Expired - Lifetime CN203117018U (en) | 2013-02-27 | 2013-02-27 | Straight shearing pre-pressing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203117018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149066A (en) * | 2013-02-27 | 2013-06-12 | 浙江土工仪器制造有限公司 | Direct shearing and prepressing instrument |
| CN109900563A (en) * | 2019-01-28 | 2019-06-18 | 绍兴文理学院 | Oversize anchor structure face shearing test method |
-
2013
- 2013-02-27 CN CN 201320087298 patent/CN203117018U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149066A (en) * | 2013-02-27 | 2013-06-12 | 浙江土工仪器制造有限公司 | Direct shearing and prepressing instrument |
| CN109900563A (en) * | 2019-01-28 | 2019-06-18 | 绍兴文理学院 | Oversize anchor structure face shearing test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |