CN202512109U - Large-scale geotechnical oedometer - Google Patents
Large-scale geotechnical oedometer Download PDFInfo
- Publication number
- CN202512109U CN202512109U CN2012201403928U CN201220140392U CN202512109U CN 202512109 U CN202512109 U CN 202512109U CN 2012201403928 U CN2012201403928 U CN 2012201403928U CN 201220140392 U CN201220140392 U CN 201220140392U CN 202512109 U CN202512109 U CN 202512109U
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- servo
- control system
- oedometer
- geotechnical
- hydraulic jack
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Abstract
The utility model discloses a large-scale geotechnical oedometer capable of automatically completing consolidation tests. The large-scale geotechnical oedometer comprises a base and a servo hydraulic station, wherein columns and a hydraulic jack are arranged on the base, and a cross beam is arranged at the upper ends of the columns; an upper pressure head is fixedly arranged on the cross beam, and a lower pressure head is arranged at the end head of the hydraulic jack; and the servo hydraulic station is connected onto the hydraulic jack. The large-scale geotechnical oedometer also comprises a computer measurement and control system, wherein the computer measurement and control system comprises a servo control unit and a force deformation displacement measurement unit. The pressurizing and repressing action of the servo hydraulic station can be automatically controlled by the computer measurement and control system according to the information fed back by the force deformation displacement measurement unit, and all measurement data in the experimental process can be automatically recorded by the computer measurement and control system, so that the whole consolidation test can be automatically completed. The large-scale geotechnical oedometer is suitable for being popularized and applied in the field of geotechnical engineering test equipment.
Description
Technical field
The utility model relates to Geotechnical Engineering testing equipment field, especially a kind of large geotechnical consolidometer.
Background technology
Consolidation test is meant to be had under lateral confinement condition, the axle pressure, makes the distortion of soil body discharging consolidation, measures distortion and pressure, distortion and time relation under saturated cohesive soil loading and the drainage condition.The equipment that carries out consolidation test generally adopts geotechnological consolidometer, and when coarse-grained soil is carried out consolidation test, because the volume of coarse-grained soil is bigger; Usually need to adopt the large geotechnical consolidometer to make an experiment, existing large geotechnical consolidometer comprises base, servo-hydraulic station, and base is provided with column, hydraulic jack; Said column upper end is provided with crossbeam, is fixed with seaming chuck on the crossbeam, and the termination of said hydraulic jack is provided with push-down head; Push-down head is positioned at seaming chuck below, and said servo-hydraulic station is connected on the hydraulic jack, and this large geotechnical consolidometer adopts manual mode to control that pressurize in the servo-hydraulic station, ftercompction at the trial; And then with pressure through hydraulic jack add to sample and keep-up pressure stable, and consolidation test is carried out continuously, required time is longer; And DATA REASONING records all in the process of the test all lean on artificial the completion; Labour intensity is bigger, and manual operation can't realize accurate classification pressurization, the less stable of pressure.
The utility model content
The utility model technical matters to be solved provides a kind of large geotechnical consolidometer that can accomplish consolidation test automatically.
The utility model solves the technical scheme that its technical matters adopted: this large geotechnical consolidometer; Comprise base, servo-hydraulic station; Base is provided with column, hydraulic jack, and said column upper end is provided with crossbeam, is fixed with seaming chuck on the crossbeam; The termination of said hydraulic jack is provided with push-down head; Push-down head is positioned at the seaming chuck below, and said servo-hydraulic station is connected on the hydraulic jack, also comprises computer measurement and control system; Said computer measurement and control system comprises servo control unit and is arranged on the seaming chuck surface or the force deformation displacement measurement unit on push-down head surface that force deformation displacement measurement unit, servo-hydraulic station are electrically connected with servo control unit respectively.
Further be that said crossbeam is provided with suspension ring.
Further be that said base is provided with foot bolt.
The beneficial effect of the utility model is: can control pressurization, the ftercompction action at servo-hydraulic station automatically according to force deformation displacement measurement unit feedack through computer measurement and control system; And utilize computer measurement and control system can write down measurement data all in the experimentation automatically; Whole consolidation test can be accomplished automatically, need not to carry out manually-operated, greatly reduce tester's labour intensity; Simultaneously; Can realize high-precision classification pressurization and ftercompction easily through computer measurement and control system, make pressure remain on metastable scope, make test result more accurate.
Description of drawings
Fig. 1 is the structural representation of the utility model large geotechnical consolidometer;
Description of symbols among the figure: base 1, column 2, hydraulic jack 3, crossbeam 4, seaming chuck 5, push-down head 6, servo-hydraulic station 7, computer measurement and control system 8, servo control unit 81, force deformation displacement measurement unit 82, suspension ring 9, foot bolt 10.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
As shown in Figure 1, this large geotechnical consolidometer comprises base 1, servo-hydraulic station 7; Base 1 is provided with column 2, hydraulic jack 3, and said column 2 upper ends are provided with crossbeam 4, are fixed with seaming chuck 5 on the crossbeam 4; The termination of said hydraulic jack 3 is provided with push-down head 6; Push-down head 6 is positioned at seaming chuck 5 belows, and said servo-hydraulic station 7 is connected on the hydraulic jack 3, also comprises computer measurement and control system 8; Said computer measurement and control system 8 comprises servo control unit 81 and is arranged on seaming chuck 5 surfaces or the force deformation displacement measurement unit 82 on push-down head 6 surfaces that force deformation displacement measurement unit 82, servo-hydraulic station 7 are electrically connected with servo control unit 81 respectively.The course of work of this large geotechnical consolidometer is following: at first, the coarse-grained soil that needs are measured is placed on push-down head 6 surfaces, starts servo-hydraulic station 7 then; Make hydraulic jack 3 work, with push-down head 6 jack-up gradually, in the process of jack-up; The coarse-grained soil that seaming chuck 5,6 pairs of push-down heads are positioned at push-down head 6 surfaces loads, and in loading procedure, thereby carries out classification pressurization, ftercompction completion consolidation test through control servo-hydraulic station 7; Because this large geotechnical consolidometer is provided with computer measurement and control system 8; Computer measurement and control system 8 can be controlled pressurization, the ftercompction action at servo-hydraulic station 7 according to force deformation displacement measurement unit 82 feedacks automatically, and utilizes computer measurement and control system 8 can write down measurement data all in the experimentation automatically, and whole consolidation test can be accomplished automatically; Need not to carry out manually-operated; Greatly reduce tester's labour intensity, simultaneously, can realize high-precision classification pressurization and ftercompction easily through computer measurement and control system 8; Make pressure remain on metastable scope, make test result more accurate.In addition, on said crossbeam 4, being provided with suspension ring 9, can making things convenient for handling large geotechnical consolidometer when mounted, on said base 1, foot bolt 10 is set, is for the ease of geotechnological consolidometer is fixed on the ground.
Claims (3)
1. large geotechnical consolidometer; Comprise base (1), servo-hydraulic station (7); Base (1) is provided with column (2), hydraulic jack (3), and said column (2) upper end is provided with crossbeam (4), is fixed with seaming chuck (5) on the crossbeam (4); The termination of said hydraulic jack (3) is provided with push-down head (6); Push-down head (6) is positioned at seaming chuck (5) below, and said servo-hydraulic station (7) is connected on the hydraulic jack (3), it is characterized in that: also comprise computer measurement and control system (8); Said computer measurement and control system (8) comprises servo control unit (81) and is arranged on seaming chuck (5) surface or the force deformation displacement measurement unit (82) on push-down head (6) surface that force deformation displacement measurement unit (82), servo-hydraulic station (7) are electrically connected with servo control unit (81) respectively.
2. large geotechnical consolidometer as claimed in claim 1 is characterized in that: said crossbeam (4) is provided with suspension ring (9).
3. according to claim 1 or claim 2 large geotechnical consolidometer, it is characterized in that: said base (1) is provided with foot bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201403928U CN202512109U (en) | 2012-04-05 | 2012-04-05 | Large-scale geotechnical oedometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201403928U CN202512109U (en) | 2012-04-05 | 2012-04-05 | Large-scale geotechnical oedometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202512109U true CN202512109U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201403928U Expired - Lifetime CN202512109U (en) | 2012-04-05 | 2012-04-05 | Large-scale geotechnical oedometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN202512109U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116014A (en) * | 2013-02-05 | 2013-05-22 | 中国矿业大学 | Water-heat-force coupling testing system for large-scale high-pressure soil mass freeze thawing process |
| CN105666657A (en) * | 2016-04-11 | 2016-06-15 | 北京交通大学 | Automatic template system for suspension type monorail traffic track beams |
| CN105666658A (en) * | 2016-04-11 | 2016-06-15 | 北京交通大学 | Automatic template system for straddle-type single-rail traffic rail beam |
| CN106289984A (en) * | 2016-08-02 | 2017-01-04 | 广西大学 | A kind of consolidation apparatus of the facial charger of independence |
| CN110146385A (en) * | 2019-05-31 | 2019-08-20 | 广州大学 | A kind of consolidation apparatus and measurement method |
-
2012
- 2012-04-05 CN CN2012201403928U patent/CN202512109U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116014A (en) * | 2013-02-05 | 2013-05-22 | 中国矿业大学 | Water-heat-force coupling testing system for large-scale high-pressure soil mass freeze thawing process |
| CN103116014B (en) * | 2013-02-05 | 2015-05-06 | 中国矿业大学 | Water-heat-force coupling testing system for large-scale high-pressure soil mass freeze thawing process |
| CN105666657A (en) * | 2016-04-11 | 2016-06-15 | 北京交通大学 | Automatic template system for suspension type monorail traffic track beams |
| CN105666658A (en) * | 2016-04-11 | 2016-06-15 | 北京交通大学 | Automatic template system for straddle-type single-rail traffic rail beam |
| CN106289984A (en) * | 2016-08-02 | 2017-01-04 | 广西大学 | A kind of consolidation apparatus of the facial charger of independence |
| CN110146385A (en) * | 2019-05-31 | 2019-08-20 | 广州大学 | A kind of consolidation apparatus and measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee after: Chengdu Hydroelectric Investigation & Design Institute of SPC Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee before: Chengdu Hydroelectric Investigation & Design Institute of China Hydropower Consu |
|
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER GROUP CHENGDU INVESTIGATION DESIGN + R Free format text: FORMER NAME: CHENGDU HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF SPC |
|
| CP01 | Change in the name or title of a patent holder |
Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee after: Co., Ltd of Chengdu survey and design academy of electricity Jian group of China Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee before: Chengdu Hydroelectric Investigation & Design Institute of SPC |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |
|
| CX01 | Expiry of patent term |