CN102998191B - Lever type tester for tension and compression rheology of rock - Google Patents
Lever type tester for tension and compression rheology of rock Download PDFInfo
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- CN102998191B CN102998191B CN201210565068.5A CN201210565068A CN102998191B CN 102998191 B CN102998191 B CN 102998191B CN 201210565068 A CN201210565068 A CN 201210565068A CN 102998191 B CN102998191 B CN 102998191B
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Abstract
The invention discloses a lever type tester for tension and compression rheology of rock. The lever type tester comprises a lever bracket, a primary lever, a secondary lever and a loading plate. The primary lever is hinged on the lever bracket; the secondary lever is formed by detachable connection from two lever segments; a first end of the secondary lever is hinged on the bracket lever, while a second end of the secondary lever is connected with the primary lever; a second fulcrum device is connected on the loading plate; and one lever segment of the secondary lever, connected with the primary lever, is detachably connected with the second fulcrum device. The lever type tester has the advantages that the load can be amplified at two stages by the primary lever and the second lever, the application of a big test load on a rock sample under the conditions of few weights and short levers is realized and the loading range is expanded; a compression rheology test of rock can be realized through the lever type tester under the condition that the second fulcrum device is removed; and a tension rheology test of rock can be realized through the lever type tester under the condition that the second fulcrum device is installed and the two lever segments of the secondary lever are detached from each other, thus the testing functions of the lever type tester are increased.
Description
Technical field
The present invention relates to a kind of rock rheology test instrument, particularly a kind of lever rock rheology experiment instrument.
Background technology
Rock rheology refers to the creep, stress relaxation of rock, the dilatation relevant with the time, and the characteristic such as the time effect of intensity.By study of rocks rheological property, can analyze rock engineering long-time stability and ground learn in many major issues.
Lever experimental provision is the conventional detection rock compressed of tradition and the experimental provision of draft flowing deformation, but traditional lever experimental provision is simple in structure, generally can only do single compression or tension test, can not there is the function that not only can do compression test but also can do tension test; And the reinforcing of traditional lever experimental provision is limited in one's ability, if will apply larger power, need to hang heavy very heavy, or lever is done very long, this can bring very big inconvenience to test.
Summary of the invention
In view of this, the object of this invention is to provide a kind of lever rock Compression and Expansion rheological test instrument, can not only can do compression test, but also can do the defect of tension test to solve traditional lever experimental provision, and can solve traditional lever experimental provision and can easily not apply the defect of large load.
Lever rock Compression and Expansion rheological test instrument of the present invention, comprises lever dolly, one-level lever, second lever and support board, and described one-level lever first end is hinged on lever dolly, and the second end of described one-level lever is loading end;
Described second lever is composed of a fixed connection in detachable mode by two pole sections, the first end of described second lever is hinged on lever dolly, the second end of described second lever is connected by the first point device with one-level lever, the first end of described second lever is near the second end of one-level lever, the second end of described second lever is near the first end of one-level lever, and the jointed shaft center line of described one-level lever and the jointed shaft center line of second lever parallel;
Detachable second point device that is fixedly connected with on described support board, the pole section being connected with one-level lever in described second lever and the second point device detachable connect.
Further, described the first point device comprises the first bearing being fixedly connected with the second end of second lever and is arranged on the back shaft on the first bearing, on described one-level lever, is provided with the deep-slotted chip breaker being rotatably assorted with bolster;
Further, described the first point device comprises the second bearing of being fixedly connected with the second end of second lever and is arranged on the rotating shaft on one-level lever, and the two ends of described rotating shaft are connected on the second bearing;
Further, described the second point device is the vertical support bar being threaded with support board, and the upper end of described support bar is arc surface, in the pole section being connected, is provided with the deep-slotted chip breaker coordinating with post upper arc surface in described second lever with one-level lever;
Further, two pole sections of described composition second lever are bolted to connection;
Further, on described support board, be also provided with lower rock sample connected unit, in the pole section being connected with one-level lever in described second lever, be provided with upper rock sample connected unit, the deep-slotted chip breaker on described second lever is between upper rock sample connected unit and the first point device;
Further, on described lever dolly, be also provided with the protection baffle plate that is positioned at one-level lever below.
Beneficial effect of the present invention: lever rock Compression and Expansion rheological test instrument of the present invention, it can amplify loaded load by one-level lever and second lever two-stage, realize and rock sample has been applied to large trial load shorter in the situation that loading the less and lever of counterweight, can make rock rheology test operation convenient, increase rock test loading range; This test instrument can be realized rock compressed rheological test in the situation that cancelling the second point device, in the case of being provided with the second point device and two pole sections of second lever separated, can realize the test of rock draft flowing deformation, increase the test function of lever test device, test convenient.
Brief description of the drawings
Fig. 1 is the first embodiment structural representation of lever rock Compression and Expansion rheological test instrument of the present invention;
Fig. 2 is the second embodiment structural representation of lever rock Compression and Expansion rheological test instrument of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the present embodiment lever rock Compression and Expansion rheological test instrument, comprise lever dolly 1, one-level lever 2, second lever 3 and support board 4, the first end of described one-level lever 2 is hinged on lever dolly 1, and the second end of described one-level lever 2 is loading end;
Described second lever 3 is composed of a fixed connection in detachable mode by two pole sections, the first end of described second lever 3 is hinged on lever dolly 1, the second end of described second lever 3 is connected by the first point device 5 with one-level lever 2, the first end of described second lever 3 is near the second end of one-level lever 2, the second end of described second lever 3 is near the first end of one-level lever 2, and the jointed shaft center line of described one-level lever 2 and the jointed shaft center line of second lever 3 parallel;
Detachable second point device 6 that is fixedly connected with on described support board 4, the pole section being connected with one-level lever 2 in described second lever 3 and the second point device 6 detachables connect.
This lever rock Compression and Expansion rheological test instrument is in the time carrying out compression test, the second point device 6 need to be pulled down, counterweight is hung over to the second end of one-level lever 2, pressure is delivered on second lever 3 by one-level lever 2, the first point device 5, second lever 3 rotates rock sample is exerted pressure around jointed shaft, realizes the Compressive rheological behaviours test of rock.
This lever rock Compression and Expansion rheological test instrument, in the time carrying out tension test, need to be contained in the second point device 6 on support board 4, and two pole sections of second lever 3 are separated from junction; Counterweight is hung over to the second end of one-level lever 2, pressure is delivered on second lever 3 by one-level lever 2, the first point device 5, and second lever 3 rotates rock sample is applied to pulling force around the fulcrum of the second point device 6, realizes the draft flowing deformation test of rock.
This lever rock Compression and Expansion rheological test instrument is by two-stage lever amplification loading force, realize and rock sample has been applied to large trial load shorter in the situation that loading the less and lever of counterweight, can make rock rheology test operation convenient, increase rock test loading range.
As the improvement to the present embodiment, described the first point device 5 comprises the first bearing 7 being fixedly connected with the second end of second lever 3 and is arranged on the back shaft 8 on the first bearing 7, on described one-level lever 2, is provided with the deep-slotted chip breaker being rotatably assorted with bolster 8.
Certainly in different embodiments, described the first point device 5 also can adopt other structures, as shown in Figure 2: the first point device comprises the second bearing 9 being fixedly connected with the second end of second lever 3 and be arranged on the rotating shaft 10 on one-level lever 2, the two ends of described rotating shaft 10 are connected on the second bearing 9.
As the improvement to the present embodiment, the vertical support bar of described the second point device 6 for being threaded with support board 4, the upper end of described support bar is arc surface, in the pole section being connected with one-level lever 2 in described second lever 3, be provided with the deep-slotted chip breaker coordinating with post upper arc surface, this structure the second point device 6 is simple in structure, easily implements; Certainly, in different embodiments, described the second point device 6 also can adopt the structure of similar the first point device 5.
As the improvement to the present embodiment, two pole sections of described composition second lever 3 are bolted to connection, and easy accessibility, can improve test efficiency.
As the improvement to the present embodiment, on described support board 4, be also provided with lower rock sample connected unit 11, in the pole section being connected with one-level lever 2 in described second lever 3, be provided with upper rock sample connected unit 12, the deep-slotted chip breaker on described second lever 3 is between upper rock sample connected unit 12 and the first point device 6; At the trial, rock sample can be arranged in lower rock sample connected unit 11 and upper rock sample connected unit 12 by bonding mode, and test is convenient.Certainly, in different embodiments, can need to select different rock sample coupling arrangements according to difference.
As the improvement to the present embodiment, on described lever dolly 1, be also provided with the protection baffle plate 13 that is positioned at one-level lever 2 belows, protection baffle plate 13 can limit the position, whereabouts of one-level lever 2, plays the effect of protection test instrument; As in the time carrying out tension test, in the time that rock sample is pulled off, if do not protect the position-limiting action of baffle plate 13, one-level lever 2 will rotate always, can cause the fierce collision of other structure of one-level lever 2 and test instrument, destructive test instrument.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. a lever rock Compression and Expansion rheological test instrument, comprises lever dolly, one-level lever and second lever, it is characterized in that: also comprise support board, described one-level lever first end is hinged on lever dolly, and the second end of described one-level lever is loading end;
Described second lever is composed of a fixed connection in detachable mode by two pole sections, the first end of described second lever is hinged on lever dolly, the second end of described second lever is connected by the first point device with one-level lever, the first end of described second lever is near the second end of one-level lever, the second end of described second lever is near the first end of one-level lever, and the jointed shaft center line of described one-level lever and the jointed shaft center line of second lever parallel;
Detachable second point device that is fixedly connected with on described support board, the pole section being connected with one-level lever in described second lever and the second point device detachable connect.
2. lever rock Compression and Expansion rheological test instrument according to claim 1, it is characterized in that: described the first point device comprises the first bearing being fixedly connected with the second end of second lever and is arranged on the back shaft on the first bearing, on described one-level lever, is provided with the deep-slotted chip breaker being rotatably assorted with bolster.
3. lever rock Compression and Expansion rheological test instrument according to claim 1, it is characterized in that: described the first point device comprises the second bearing of being fixedly connected with the second end of second lever and be arranged on the rotating shaft on one-level lever, the two ends of described rotating shaft are connected on the second bearing.
4. according to arbitrary described lever rock Compression and Expansion rheological test instrument in claim 1-3, it is characterized in that: described the second point device is the vertical support bar being threaded with support board, the upper end of described support bar is arc surface, in the pole section being connected, is provided with the deep-slotted chip breaker coordinating with post upper arc surface in described second lever with one-level lever.
5. lever rock Compression and Expansion rheological test instrument according to claim 4, is characterized in that: two pole sections of described composition second lever are bolted to connection.
6. lever rock Compression and Expansion rheological test instrument according to claim 5, it is characterized in that: on described support board, be also provided with lower rock sample connected unit, in the pole section being connected with one-level lever in described second lever, be provided with upper rock sample connected unit, the deep-slotted chip breaker on described second lever is between upper rock sample connected unit and the first point device.
7. lever rock Compression and Expansion rheological test instrument according to claim 1, is characterized in that: on described lever dolly, be also provided with the protection baffle plate that is positioned at one-level lever below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210565068.5A CN102998191B (en) | 2012-12-24 | 2012-12-24 | Lever type tester for tension and compression rheology of rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210565068.5A CN102998191B (en) | 2012-12-24 | 2012-12-24 | Lever type tester for tension and compression rheology of rock |
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| Publication Number | Publication Date |
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| CN102998191A CN102998191A (en) | 2013-03-27 |
| CN102998191B true CN102998191B (en) | 2014-10-01 |
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| CN201210565068.5A Expired - Fee Related CN102998191B (en) | 2012-12-24 | 2012-12-24 | Lever type tester for tension and compression rheology of rock |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU913141A1 (en) * | 1980-07-22 | 1982-03-15 | Mikhail E Shcheglov | Device for determination of welded seam plasticity in the process of its crystallization |
| US4543126A (en) * | 1982-10-08 | 1985-09-24 | Eberhard Layher | Method of and arrangement for determining loading capacity of coating elements for structures |
| CN2842405Y (en) * | 2005-05-11 | 2006-11-29 | 中国矿业大学 | The multiphase coupled creep test device of fragmented rock body |
| CN101144764A (en) * | 2007-09-11 | 2008-03-19 | 中北大学 | Dynamic and static mechanics integrated test platform |
| CN102323393A (en) * | 2011-08-22 | 2012-01-18 | 同济大学 | Double-lever high-temperature, high-pressure and unsaturated consolidometer |
| CN202974781U (en) * | 2012-12-24 | 2013-06-05 | 重庆科技学院 | Lever-type rock tensile compressive rheological tester |
-
2012
- 2012-12-24 CN CN201210565068.5A patent/CN102998191B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU913141A1 (en) * | 1980-07-22 | 1982-03-15 | Mikhail E Shcheglov | Device for determination of welded seam plasticity in the process of its crystallization |
| US4543126A (en) * | 1982-10-08 | 1985-09-24 | Eberhard Layher | Method of and arrangement for determining loading capacity of coating elements for structures |
| CN2842405Y (en) * | 2005-05-11 | 2006-11-29 | 中国矿业大学 | The multiphase coupled creep test device of fragmented rock body |
| CN101144764A (en) * | 2007-09-11 | 2008-03-19 | 中北大学 | Dynamic and static mechanics integrated test platform |
| CN102323393A (en) * | 2011-08-22 | 2012-01-18 | 同济大学 | Double-lever high-temperature, high-pressure and unsaturated consolidometer |
| CN202974781U (en) * | 2012-12-24 | 2013-06-05 | 重庆科技学院 | Lever-type rock tensile compressive rheological tester |
Non-Patent Citations (2)
| Title |
|---|
| 《压盘杠杆多工位拉伸精密级进模设计》;窦智;《模具制造》;20120430(第4期);23-27 * |
| 窦智.《压盘杠杆多工位拉伸精密级进模设计》.《模具制造》.2012,(第4期),23-27. |
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