CN202110092U - Device for assembling rock sample in true triaxial test - Google Patents
Device for assembling rock sample in true triaxial test Download PDFInfo
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- CN202110092U CN202110092U CN2011201177496U CN201120117749U CN202110092U CN 202110092 U CN202110092 U CN 202110092U CN 2011201177496 U CN2011201177496 U CN 2011201177496U CN 201120117749 U CN201120117749 U CN 201120117749U CN 202110092 U CN202110092 U CN 202110092U
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- clamping screw
- pad
- disk
- cushion block
- rock sample
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Abstract
The utility model discloses a device for assembling a rock sample in a true triaxial test, which comprises an annular framework, locking bolts, a disc-like spacer and a support screw rod. The annular framework is horizontally provided with two pairs of orthogonal screw holes; axle lines of each pair of screw holes pass through the centre of the annular framework; the locking bolts are respectively twisted in the horizontal screw holes of the annular framework; the end part of each locking bolt is contacted with the disc-like spacer; and the other surface of the disc-like spacer is directly contacted with a bearing cushion block. The head part of the locking bolt is in a semisphere shape, and spherical holes with same curvature radius are arranged at the centre of one surface of the disc-like spacer; the contact surface of the locking bolt and the disc-like spacer is a sphere; three non-penetrable screw holes which mutually form an angle of 120 degrees for twisting the support screw rod are arranged on the lower surface of the annular framework; and three non-penetrable screw holes mutually forming an angle of 120 degrees are arranged on the upper surface of the annular framework. With simple structure and convenience in operation, the malposition of the rock sample is avoided, and a plurality of rock samples can be conveniently dried in a drying oven at the same time.
Description
Technical field
The utility model relates to rock true triaxial test technical field, more specifically is that the utility model relates to a kind of device that is used for the assembling of true triaxial test rock sample, and this device can be used for the rock sample assembling of true triaxial test preparatory stage.
Background technology
The mechanical characteristic that triaxial stress does not wait rock under the condition can be simulated by rock true triaxial test system (True triaxial testing system:TTS).With respect to ordinary triaxial test, true triaxial test can explain that more the mechanics shape of rock under the nature stress state does.
The rock sample of most true triaxial test is rectangular parallelepiped (a perhaps cube), the uniform load that six ends is arranged and can on three directions of quadrature, be varied in size.The true triaxial test machine can be divided into rigidity loaded type, flexible loaded type and mix loaded type according to the type of load, and wherein the mixed type loading structure with luxuriant wooden formula " two is firm gentle " is the true three loading forms of rock of present main flow.In luxuriant wooden formula true triaxial test, the silica gel of rock sample through oven dry connects and oil proof integral body of sealing and two pairs of pressure-bearing cushion blocks encapsulation formation places the true triaxial cell of oil pressure to load.Yet, because silica gel all need be smeared in the upper and lower surfaces of packoff, cause operation to bother very much like this, and slight operate miss can make the loading misalignment to making pressure-bearing cushion block and sample that dislocation take place, make the serious distortion of test findings.
Summary of the invention
In view of the sample of existing rock true triaxial test and the above-mentioned inconvenience of pressure-bearing cushion block assembling; The purpose of the utility model is to be to provide a kind of device that is used for the assembling of true triaxial test rock sample; This apparatus structure is simple; Easy and simple to handle, it can be extraordinary solves because of smearing the assembling difficulty and rock sample dislocation of the sample that silica gel causes, and the while also can conveniently be carried out the polylith rock sample dries in drying baker simultaneously.
To achieve these goals, the utility model adopts following technical measures:
A kind of device that is used for the assembling of true triaxial test rock sample; This device comprises cyclic skeleton, clamping screw, disk-like pad, studdle; It is characterized in that: the cyclic skeleton level is to the screw that two pair of orthogonal are arranged; The center of cyclic skeleton is crossed in every pair of screw axis, and the level that first clamping screw, second clamping screw, the 3rd clamping screw, the 4th clamping screw are screwed in cyclic skeleton respectively is in screw; The head of first clamping screw, second clamping screw, the 3rd clamping screw, the 4th clamping screw contacts with first disk-like pad, the second plate-like pad, the 3rd plate-like pad, the 4th plate-like pad respectively, and the another side of first disk-like pad, second disk-like pad, the 3rd disk-like pad, the 4th disk-like pad directly contacts with the first pressure-bearing cushion block, the second pressure-bearing cushion block, the 3rd pressure-bearing cushion block, the 4th pressure-bearing cushion block; The lower surface of cyclic skeleton is provided with three and is the non-screw that penetrates of hexagonal angle each other, is respectively applied for and is screwed into first studdle, second studdle and the 3rd studdle.
The head design of described first clamping screw, second clamping screw, the 3rd clamping screw, the 4th clamping screw becomes hemispherical.
The one side center of described first disk-like pad, second disk-like pad, the 3rd disk-like pad, the 4th disk-like pad is provided with the ball hole of same curvature radius.
Described first clamping screw, second clamping screw, the 3rd clamping screw, the 4th clamping screw and first disk-like pad, second disk-like pad, the 3rd disk-like pad, the 4th disk-like pad surface of contact are sphere.
Described cyclic skeleton upper surface is provided with three and is the non-circular hole that penetrates of hexagonal angle each other.
The utility model provides a kind of device that is used for the assembling of true triaxial test rock sample, and this device comprises ring skeleton, two pairs of clamping screws, four disk-like pad and three studdles, and its concrete connected mode is following:
(1) ring skeleton has the screw socket of two pairs of levels, its axis quadrature and all pass the ring skeleton center, and place two pairs of clamping screws.
(2) head of clamping screw is hemispherical; And the radius-of-curvature ball hole identical with the clamping screw head contained at a side center of disk-like pad; So, ball hole one side that has of disk-like pad links to each other with the sphere way of contact with bolt, and its opposite side then directly contacts with the pressure-bearing cushion block.
(3) ring skeleton below have three non-screws that penetrate of 120 ° each other, be used for being screwed into three studdles.
Aforesaid plate-like cushion block directly is affixed on during work on the pressure-bearing cushion block, and it does not have ball hole one side then to be designed to dentation, thus the friction factor of increase and pressure-bearing cushion block.
Ball hole design in the middle of hemispherical head design of aforesaid clamping screw and the disk-like pad; Make in certain slant range clamping screw still keep planar and contact, thereby avoid a contact to cause the clamping action inefficacy of device pressure-bearing cushion block and rock sample with disk-like pad.
Aforesaid disk-like pad is used for transmitting preferably the coupling mechanism force of clamping screw, and its diameter is slightly less than the thickness of pressure-bearing cushion block, the adjusting of convenience and clamping screw contact position.
Aforesaid cyclic skeleton; Its upper surface has three non-through holes of hexagonal angle each other equally; The somewhat larger in diameter in this hole is in the diameter of studdle; Can make things convenient for several groups of same structures to stack each other like this, put into drying baker simultaneously and dry, be highly suitable for most interior outages greater than long and wide drying baker.In addition, this hole and above-mentioned lower surface screw socket and this three of horizontal screw socket all stagger accordingly.
The upper surface of described ring skeleton offers three non-circular holes that penetrate of hexagonal angle each other, and the aperture is slightly larger than clamping screw hemispheric end diameter.Can make and support that spiral shell is dried to be located wherein, put into drying baker simultaneously after the convenient many groups of vertical stacks of device that all accompany pressure-bearing cushion block and rock sample and dry.
In order to adapt to different size rock sample and pressure-bearing cushion block, the cyclic skeleton diameter is bigger, and therefore, aforesaid clamping screw leading portion portion does not establish screw thread, avoids invalid screw thread to bring redundant bolt to tighten operation.
The beneficial effect of the utility model is that the utility model device is prone to row, and is easy and simple to handle; True three " two is firm gentle " pressure-bearing cushion blocks of the luxuriant wooden formula of adaptation that its ability is intact and the assembling between the rock sample, the utility model can improve the efficiency of assembling of pressure-bearing cushion block and rock sample greatly, not only makes to smear and dry easy that silica gel becomes; Guarantee that whole process do not have rock sample dislocation; Make the true triaxial test result meet reality more, can also effectively utilize space in the drying baker simultaneously, save the polylith sample drying time.
Description of drawings
Fig. 1 is the device vertical view of rock sample assembling in a kind of true triaxial test;
Fig. 2 is the device upward view of rock sample assembling in a kind of true triaxial test;
Fig. 3 is the device front view of rock sample assembling in a kind of true triaxial test;
Wherein:
Clamping screw (the first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4, totally 4);
Disk-like pad (the first disk-like pad 3-1, the second disk-like pad 3-2, the 3rd disk-like pad 3-3, the 4th disk-like pad 3-4, totally 4);
Studdle (the first studdle 4-1, the second studdle 4-2, the 3rd studdle 4-3, totally 3);
Pressure-bearing cushion block (the first pressure-bearing cushion block 5-1, the second pressure-bearing cushion block 5-2, the 3rd pressure-bearing cushion block 5-3, the 4th pressure-bearing cushion block 5-4, totally 4);
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
A kind of device that is used for the assembling of true triaxial test rock sample; This device comprises cyclic skeleton 1, the first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4, the first disk-like pad 3-1, the second disk-like pad 3-2, the 3rd disk-like pad 3-3, the 4th disk-like pad 3-4 and the first studdle 4-1, the second studdle 4-2, the 3rd studdle 4-3.According to Fig. 1,2, shown in 3; Its annexation is: cyclic skeleton 1 level is to the screw that two pair of orthogonal are arranged; The center of cyclic skeleton 1 is crossed in every pair of screw axis, and the level that two couples first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4 are screwed in cyclic skeleton 1 respectively is in screw; The head of the first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4 contacts with four first disk-like pad 3-1, the second plate-like pad 3-2, the 3rd plate-like pad 3-3, the 4th plate-like pad 3-4 respectively; Play better transmission coupling mechanism force, avoid simultaneously the pressure-bearing cushion block 5-1 that wins, the second pressure-bearing cushion block 5-2, the 3rd pressure-bearing cushion block 5-3, the 4th pressure-bearing cushion block 5-4 being scratched because of the first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4 directly contact with the first pressure-bearing cushion block 5-1, the second pressure-bearing cushion block 5-2, the 3rd pressure-bearing cushion block 5-3, the 4th pressure-bearing cushion block 5-4; The lower surface of cyclic skeleton 1 is provided with three and is the non-screw that penetrates of hexagonal angle each other, in order to be screwed into the first studdle 4-1, the second studdle 4-2, the 3rd studdle 4-3; The another side of the first disk-like pad 3-1, the second disk-like pad 3-2, the 3rd disk-like pad 3-3, the 4th disk-like pad 3-4 directly contacts with the first pressure-bearing cushion block 5-1, the second pressure-bearing cushion block 5-2, the 3rd pressure-bearing cushion block 5-3, the 4th pressure-bearing cushion block 5-4, and this face is that dentation or similar shape are to increase the friction factor of surface of contact.
Like Fig. 1, shown in 2; The first pressure-bearing cushion block 5-1, the second pressure-bearing cushion block 5-2, the 3rd pressure-bearing cushion block 5-3, the 4th pressure-bearing cushion block 5-4 produced coupling mechanism force after four first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4 tightened; Make itself and rock sample 6 fixed, prevent when moving and smearing silica gel, to produce the changing of the relative positions.
Like Fig. 1, shown in 2; The leading portion of four first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4 does not partly have screw thread; Can avoid the long first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4 clamping screw to bring invalid being screwed into, save the running time.
Like Fig. 1, shown in 2; The head design of four first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4 becomes hemispherical, and the one side center of the first disk-like pad 3-1, the second disk-like pad 3-2, the 3rd disk-like pad 3-3, the 4th disk-like pad 3-4 is provided with the ball hole of same curvature radius; The first clamping screw 2-1, the second clamping screw 2-2, the 3rd clamping screw 2-3, the 4th clamping screw 2-4 and the first disk-like pad 3-1, the second disk-like pad 3-2, the 3rd disk-like pad 3-3, the 4th disk-like pad 3-4 surface of contact are sphere, the point-like contact of avoiding both axis not cause at same straight line.
Like Fig. 1,2, shown in 3; Three first studdle 4-1, the second studdle 4-2, the 3rd studdle 4-3 can support whole device; After being convenient to rock sample 6 one side and smearing silica gel, its another side is smeared, also be convenient to put it in the drying baker and dry.In addition; Cyclic skeleton 1 upper surface is provided with three and is the non-circular hole that penetrates of hexagonal angle each other; This Circularhole diameter is slightly larger than the major diameter of thread of the first studdle 4-1, the second studdle 4-2, the 3rd studdle 4-3; Can the first studdle 4-1, the second studdle 4-2, the 3rd studdle 4-3 of other one group of device be put into wherein; Can make the vertical stack of several identical devices fixing like this, convenient several groups of pressure-bearing cushion blocks (the first pressure-bearing cushion block 5-1, the second pressure-bearing cushion block 5-2, the 3rd pressure-bearing cushion block 5-3, the 4th pressure-bearing cushion block 5-4) and rock sample 6 are dried simultaneously, make full use of the interior sky of drying baker and reduce the time that the polylith rock sample is dried.
The utility model combines with rock or cast iron platform; Utilize the device of the utility model to fix again after the first pressure-bearing cushion block 5-1, the second pressure-bearing cushion block 5-2, the 3rd pressure-bearing cushion block 5-3, the 4th pressure-bearing cushion block 5-4 and rock sample 6 placed same plane; Easy and simple to handle, the pressure-bearing cushion block of the luxuriant wooden formula of adaptation that it can be intact true three " two is firm gentle " and the assembling between the rock sample.
The utility model can improve the efficiency of assembling of the first pressure-bearing cushion block 5-1, the second pressure-bearing cushion block 5-2, the 3rd pressure-bearing cushion block 5-3, the 4th pressure-bearing cushion block 5-4 and rock sample 6 greatly; Not only make and smear and dry easy that silica gel becomes; Guarantee that whole process do not have rock sample dislocation; Make the true triaxial test result meet reality more, can also effectively utilize space in the drying baker simultaneously, save the polylith sample drying time.
Claims (5)
1. one kind is used for the device that the true triaxial test rock sample assembles; This device comprises cyclic skeleton (1), clamping screw (2-1,2-2,2-3,2-4), disk-like pad (3-1,3-2,3-3,3-4), studdle (4-1; 4-2; 4-3); It is characterized in that: cyclic skeleton (1) level is to the screw that two pair of orthogonal are arranged, and the center of cyclic skeleton (1) is crossed in every pair of screw axis, and the level that first clamping screw (2-1), second clamping screw (2-2), the 3rd clamping screw (2-3), the 4th clamping screw (2-4) are screwed in cyclic skeleton (1) respectively is in screw; The head of first clamping screw (2-1), second clamping screw (2-2), the 3rd clamping screw (2-3), the 4th clamping screw (2-4) contacts with first disk-like pad (3-1), the second plate-like pad (3-2), the 3rd plate-like pad (3-3), the 4th plate-like pad (3-4) respectively, and the another side of first disk-like pad (3-1), second disk-like pad (3-2), the 3rd disk-like pad (3-3), the 4th disk-like pad (3-4) directly contacts with the first pressure-bearing cushion block (5-1), the second pressure-bearing cushion block (5-2), the 3rd pressure-bearing cushion block (5-3), the 4th pressure-bearing cushion block (5-4); The lower surface of cyclic skeleton (1) is provided with three and is the non-screw that penetrates of hexagonal angle each other, is respectively applied for and is screwed into first studdle (4-1), second studdle (4-2) and the 3rd studdle.
2. a kind of device that is used for the assembling of true triaxial test rock sample according to claim 1, it is characterized in that: the head design of described first clamping screw (2-1), second clamping screw (2-2), the 3rd clamping screw (2-3), the 4th clamping screw (2-4) becomes hemispherical.
3. a kind of device that is used for the assembling of true triaxial test rock sample according to claim 1, it is characterized in that: the one side center of described first disk-like pad (3-1), second disk-like pad (3-2), the 3rd disk-like pad (3-3), the 4th disk-like pad (3-4) is provided with the ball hole of same curvature radius.
4. a kind of device that is used for the assembling of true triaxial test rock sample according to claim 1, it is characterized in that: described first clamping screw (2-1), second clamping screw (2-2), the 3rd clamping screw (2-3), the 4th clamping screw (2-4) and first disk-like pad (3-1), second disk-like pad (3-2), the 3rd disk-like pad (3-3), the 4th disk-like pad (3-4) surface of contact are sphere.
5. a kind of device that is used for the assembling of true triaxial test rock sample according to claim 1, it is characterized in that: described cyclic skeleton (1) upper surface is provided with three and is the non-circular hole that penetrates of hexagonal angle each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201177496U CN202110092U (en) | 2011-04-20 | 2011-04-20 | Device for assembling rock sample in true triaxial test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201177496U CN202110092U (en) | 2011-04-20 | 2011-04-20 | Device for assembling rock sample in true triaxial test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202110092U true CN202110092U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201177496U Expired - Fee Related CN202110092U (en) | 2011-04-20 | 2011-04-20 | Device for assembling rock sample in true triaxial test |
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| Country | Link |
|---|---|
| CN (1) | CN202110092U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252892A (en) * | 2011-04-20 | 2011-11-23 | 中国科学院武汉岩土力学研究所 | Device for assembling rock samples in true triaxial test |
| CN103776673A (en) * | 2014-01-16 | 2014-05-07 | 合肥工业大学 | True-triaxial rock sample crack prefabricating device |
| CN108426768A (en) * | 2018-03-23 | 2018-08-21 | 东北大学 | A kind of accurate centering control method in interior true triaxial test rock sample position |
-
2011
- 2011-04-20 CN CN2011201177496U patent/CN202110092U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252892A (en) * | 2011-04-20 | 2011-11-23 | 中国科学院武汉岩土力学研究所 | Device for assembling rock samples in true triaxial test |
| CN103776673A (en) * | 2014-01-16 | 2014-05-07 | 合肥工业大学 | True-triaxial rock sample crack prefabricating device |
| CN108426768A (en) * | 2018-03-23 | 2018-08-21 | 东北大学 | A kind of accurate centering control method in interior true triaxial test rock sample position |
| CN108426768B (en) * | 2018-03-23 | 2019-06-04 | 东北大学 | A kind of accurate centering control method in interior true triaxial test rock sample position |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20160420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |