CN209936778U - Clamping mechanism for rock stress test - Google Patents
Clamping mechanism for rock stress test Download PDFInfo
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- CN209936778U CN209936778U CN201920820529.6U CN201920820529U CN209936778U CN 209936778 U CN209936778 U CN 209936778U CN 201920820529 U CN201920820529 U CN 201920820529U CN 209936778 U CN209936778 U CN 209936778U
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- rock
- clamping
- support
- clamping jaw
- clamping device
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Abstract
The utility model provides a clamping mechanism for rock stress test, which comprises a base, a powder collecting box, a support, a rotating mechanism, a clamping device, rocks and a locking bolt, wherein the powder collecting box of the utility model can collect the generated powder in the process of cutting or drilling the rocks, thereby effectively ensuring the tidiness of the laboratory environment; due to the arrangement of the rotating mechanism, 360-degree marking of the rock is facilitated, and deviation in the cutting process is prevented; due to the arrangement of the clamping device, the rubber block increases the contact area with the rock and is in flexible connection, so that the edges and corners of the rock can be prevented from being broken, and the rock is prevented from being dangerous due to shaking in the treatment process; the locking bolt is arranged to prevent the clamping device from rotating in the rock sample processing process, so that unsafe conditions are avoided.
Description
Technical Field
The utility model belongs to rock mechanics equipment field especially relates to a fixture is used in rock atress test.
Background
In the process of researching the mechanical properties of the rock, a rock sample is often required to be processed, the rock sample is usually required to be fixed, for example, when rock stress test is carried out, initial stress should be firstly eliminated, and the common methods are a drilling stress relief method and a hydraulic fracturing method. When the initial stress is eliminated by using a drilling method, rock samples need to be fixed, particularly rock samples with irregular shapes, and the rock samples cannot be fixed well by using the conventional clamping mechanism, so that the rock samples are not beneficial to further research.
The invention discloses a Chinese patent with CN 106475903B, which is named as a rock holder and comprises: a housing in which a hollow receiving area for receiving rock is formed; the clamping arm is connected with the shell and extends towards the inside of the accommodating area; wherein the gripping arm is capable of contacting and securing the rock within the containment region when the rock is placed within the containment region. However, the existing rock clamp has some obvious disadvantages, for example, because the rock shape is different and the size is different, when the rock clamp clamps irregular rocks, the clamping arms and the rocks are in point contact, and the clamping and stabilizing effect is poor; when the rock is treated, edges and corners of the rock are easy to be broken, so that the rock moves in the clamp holder, and the cutting or punching operation is very dangerous; the bits that produce in the rock treatment process do not have special collection structure, pollute the experimental environment in laboratory easily to and can not rotate the tangent plane of rock according to actual conditions's problem.
Therefore, the clamping mechanism for the rock stress test is very necessary to be invented.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a clamping mechanism for rock stress test, which aims to solve the problems that the existing rock clamp holder still exists, and the rock clamp holder has different shapes and sizes, when clamping irregular rocks, each clamping arm and the rocks are in point contact, and the clamping stability effect is poor; when the rock is treated, edges and corners of the rock are easy to be broken, so that the rock moves in the clamp holder, and the cutting or punching operation is very dangerous; the bits that produce in the rock treatment process do not have special collection structure, pollute the experimental environment in laboratory easily to and can not rotate the tangent plane of rock according to actual conditions's problem. A clamping mechanism for a rock stress test comprises a base, a powder collecting box, a support, a rotating mechanism, a clamping device, rocks and a locking bolt, wherein through holes are formed in the periphery of the base and connected with a workbench through the bolts; the powder collecting box is embedded above the base and is positioned below the rock; the support is arranged at the left position of the upper end of the base through a bolt; the rotating mechanism is arranged on the left side of the upper end of the support and is rotationally connected with the support; the clamping device is arranged on the right side of the upper end of the support and is in transmission connection with the rotating mechanism; the rock is clamped in the clamping device; the locking bolt is in threaded connection with the support.
The rotating mechanism comprises a rocker, an anti-skidding sleeve, a rotating piece, a first bearing and a connecting shaft, the rocker is Z-shaped, and the end part far away from the anti-skidding sleeve is rectangular; the anti-slip sleeve is sleeved on the rocker; the rotating piece is movably connected with the support through a first bearing; and two ends of the connecting shaft are respectively connected with the rotating piece and the mounting seat.
Rectangular grooves are formed in two ends of the rotating piece, and rocker insertion and connecting shaft transmission are facilitated.
The clamping device comprises a mounting seat, a second bearing, a clamping jaw, a threaded ring, a connecting groove, an external thread and a rubber block, wherein the mounting seat is mounted on the right side of the upper end of the support through the second bearing; 3 clamping jaws are adopted and are fixed with the mounting seat through bolts; the threaded ring is sleeved outside the clamping jaw.
The clamping jaw is arranged in an inclined shape, an included angle of 120 degrees is formed between the clamping jaw and the clamping jaw, the clamping jaw is slowly drawn close inwards under the continuous rotation of the threaded ring, and the clamping to the rock is realized.
The external screw thread has been seted up in the outside of clamping jaw, and the inboard of keeping away from mount pad one end bonds and has the block rubber, and the block rubber has increased the area of contact with the rock, is the flexonics moreover, can prevent that rock edges and corners from being blocked garrulously, avoids the rock to appear dangerous condition because of rocking in the research process.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses the setting of box is collected to the powder, can collect the powder that drops at the in-process that cuts or punch the rock, the clean and tidy nature of effectual assurance laboratory environment.
2. The utility model discloses rotary mechanism's setting, when needing to rule before cutting the rock, rotatory rocker, rotating member rotate on the support through first bearing, and it is rotatory to drive the rock of installing on clamping device through the connecting axle, has made things convenient for and has marked off 360 lines to the rock, prevents to appear the incline in cutting process, according to experimental site conditions, has also made things convenient for the cutting to the different angles of rock.
3. The utility model discloses clamping device's setting is when pressing from both sides tightly the rock, at first places the rock between clamping jaw and clamping jaw, then rotatory thread circle, and the clamping jaw is slowly inwards drawn close under the continuous rotating of thread circle, has realized the centre gripping to the rock, and the block rubber has increased the area of contact with the rock, is the flexonics moreover, can prevent that the rock edges and corners from being blocked garrulously, avoids the rock to appear dangerous condition because of rocking in the processing procedure.
4. The utility model discloses a locking bolt's setting, after the rock centre gripping targets in place, the locking bolt of screwing, with locking bolt's bottom top tightly on the mount pad, prevent that clamping device from appearing rotating at the in-process that the rock was cut or was punched, cause the appearance of the unsafe condition.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the support of the present invention.
Fig. 3 is a schematic structural view of the rotating mechanism of the present invention.
Fig. 4 is a schematic structural view of the clamping device of the present invention.
In the figure:
1-base, 2-powder collection box, 3-support, 4-rotating mechanism, 41-rocker, 42-antiskid sleeve, 43-rotating piece, 44-first bearing, 45-connecting shaft, 5-clamping device, 51-mounting seat, 52-second bearing, 53-clamping jaw, 54-thread ring, 55-connecting groove, 56-external thread, 57-rubber block, 6-rock and 7-locking bolt.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 4
The utility model provides a clamping mechanism for rock stress test, which comprises a base 1, a powder collecting box 2, a support 3, a rotating mechanism 4, a clamping device 5, a rock 6 and a locking bolt 7, wherein the periphery of the base 1 is provided with through holes which are connected with a workbench through bolts; the powder collecting box 2 is embedded above the base 1 and is positioned below the rock 6; the support 3 is arranged at the left position of the upper end of the base 1 through a bolt; the rotating mechanism 4 is arranged on the left side of the upper end of the support 3 and is rotationally connected with the support 3; the clamping device 5 is arranged on the right side of the upper end of the support 3 and is in transmission connection with the rotating mechanism 4; the rock 6 is clamped in the clamping device 5; the locking bolt 7 is in threaded connection with the support 3.
The rotating mechanism 4 comprises a rocker 41, an anti-skid sleeve 42, a rotating piece 43, a first bearing 44 and a connecting shaft 45, wherein the rocker 41 is Z-shaped, and the end part far away from the anti-skid sleeve 42 is rectangular; the anti-skid sleeve 42 is sleeved on the rocker 41; the rotating member 43 is movably connected with the support 3 through a first bearing 44; the connecting shaft 45 is connected with the rotating member 43 and the mounting seat 51 at two ends respectively.
Rectangular grooves are formed in two ends of the rotating piece 43, so that the rocker 41 can be conveniently inserted into and driven by the connecting shaft 45.
The clamping device 5 comprises a mounting seat 51, a second bearing 52, a clamping jaw 53, a threaded ring 54, a connecting groove 55, an external thread 56 and a rubber block 57, wherein the mounting seat 51 is mounted on the right side of the upper end of the support 3 through the second bearing 52; 3 clamping jaws 53 are adopted and fixed with the mounting base 51 through bolts; the threaded ring 54 is sleeved outside the clamping jaw 53.
The clamping jaw 53 is arranged in an inclined shape, an included angle of 120 degrees is formed between the clamping jaw 53 and the clamping jaw 53, and the clamping jaw 53 is slowly closed inwards under the continuous rotation of the threaded ring 54, so that the clamping of the rock 6 is realized.
Principle of operation
In the utility model, when clamping the rock 6, firstly placing the rock 6 between the clamping jaw 53 and the clamping jaw 53, then rotating the threaded ring 54, the clamping jaw 53 is slowly drawn close inwards under the continuous rotation of the threaded ring 54, clamping the rock 6 is realized, the rubber block 57 increases the contact area with the rock 6, and the flexible connection can prevent the edges and corners of the rock 6 from being broken by the clamp, avoid the rock 6 from being dangerous because of shaking in the cutting or drilling process, when needing to draw lines before cutting the rock 6, the rocker 41 is rotated, the rotating piece 43 rotates on the support 3 through the first bearing 44, the rock 6 arranged on the clamping device 5 is driven to rotate through the connecting shaft 45, the 360-degree line drawing of the rock 6 is convenient, when the line drawing of the rock 6 is finished, the locking bolt 7 is rotated, the bottom of the locking bolt 7 is tightly pressed against the mounting seat 51, the rotation of the clamping device 5 in the cutting process of the rock 6 is prevented, the powder collection box 2 can collect the powder that produces in the 6 processing procedure of rock, the clean and tidy nature of effectual assurance laboratory environment.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (6)
1. The utility model provides a fixture is used in rock atress test which characterized in that: the powder collecting device comprises a base (1), a powder collecting box (2), a support (3), a rotating mechanism (4), a clamping device (5), rocks (6) and locking bolts (7), wherein through holes are formed in the periphery of the base (1) and connected with a workbench through the bolts; the powder collecting box (2) is embedded above the base (1) and is positioned below the rock (6); the support (3) is arranged at the left position of the upper end of the base (1) through a bolt; the rotating mechanism (4) is arranged on the left side of the upper end of the support (3) and is rotationally connected with the support (3); the clamping device (5) is arranged on the right side of the upper end of the support (3) and is in transmission connection with the rotating mechanism (4); the rock (6) is clamped in the clamping device (5); the locking bolt (7) is in threaded connection with the support (3).
2. The clamping mechanism for rock stress testing of claim 1, wherein: the rotating mechanism (4) comprises a rocker (41), an anti-skidding sleeve (42), a rotating piece (43), a first bearing (44) and a connecting shaft (45), the rocker (41) is Z-shaped, and the end part far away from the anti-skidding sleeve (42) is rectangular; the anti-skid sleeve (42) is sleeved on the rocker (41); the rotating piece (43) is movably connected with the support (3) through a first bearing (44); two ends of the connecting shaft (45) are respectively connected with the rotating piece (43) and the mounting seat (51).
3. The clamping mechanism for rock stress testing of claim 2, wherein: rectangular grooves are formed in the two ends of the rotating piece (43).
4. The clamping mechanism for rock stress testing of claim 1, wherein: the clamping device (5) comprises a mounting seat (51), a second bearing (52), a clamping jaw (53), a threaded ring (54), a connecting groove (55), an external thread (56) and a rubber block (57), wherein the mounting seat (51) is mounted on the right side of the upper end of the support (3) through the second bearing (52); 3 clamping jaws (53) are adopted and fixed with the mounting seat (51) through bolts; the thread ring (54) is sleeved outside the clamping jaw (53).
5. The clamping mechanism for rock stress testing of claim 4, wherein: the clamping jaw (53) is arranged in an inclined shape, and an included angle of 120 degrees is formed between the clamping jaw (53) and the clamping jaw (53).
6. The clamping mechanism for rock stress testing of claim 4, wherein: the outer side of the clamping jaw (53) is provided with an external thread (56), and the inner side of one end far away from the mounting seat (51) is bonded with a rubber block (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920820529.6U CN209936778U (en) | 2019-06-03 | 2019-06-03 | Clamping mechanism for rock stress test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920820529.6U CN209936778U (en) | 2019-06-03 | 2019-06-03 | Clamping mechanism for rock stress test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209936778U true CN209936778U (en) | 2020-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920820529.6U Expired - Fee Related CN209936778U (en) | 2019-06-03 | 2019-06-03 | Clamping mechanism for rock stress test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209936778U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761553A (en) * | 2020-07-06 | 2020-10-13 | 温州大学 | Device for clamping artificial bone |
| CN114161287A (en) * | 2021-11-15 | 2022-03-11 | 安徽亚珠金刚石股份有限公司 | Resin-based diamond composite grinding tool |
| CN114279867A (en) * | 2021-12-14 | 2022-04-05 | 山西省交通科技研发有限公司 | Method for measuring interlayer shear strength of asphalt mixture |
-
2019
- 2019-06-03 CN CN201920820529.6U patent/CN209936778U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761553A (en) * | 2020-07-06 | 2020-10-13 | 温州大学 | Device for clamping artificial bone |
| CN111761553B (en) * | 2020-07-06 | 2023-07-25 | 温州大学 | Device for clamping artificial bones |
| CN114161287A (en) * | 2021-11-15 | 2022-03-11 | 安徽亚珠金刚石股份有限公司 | Resin-based diamond composite grinding tool |
| CN114279867A (en) * | 2021-12-14 | 2022-04-05 | 山西省交通科技研发有限公司 | Method for measuring interlayer shear strength of asphalt mixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 Termination date: 20200603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |