CN218956146U - Soft rock sampling device for geotechnical engineering - Google Patents
Soft rock sampling device for geotechnical engineering Download PDFInfo
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- CN218956146U CN218956146U CN202223282255.0U CN202223282255U CN218956146U CN 218956146 U CN218956146 U CN 218956146U CN 202223282255 U CN202223282255 U CN 202223282255U CN 218956146 U CN218956146 U CN 218956146U
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- gear
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- soft rock
- sampler
- sampling device
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- 238000005070 sampling Methods 0.000 title claims abstract description 38
- 239000011435 rock Substances 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a soft rock sampling device for geotechnical engineering, which comprises a bracket, wherein the bracket comprises upright posts, vertical grooves are formed in 2 upright posts, two ends of a movable supporting rod are arranged in 2 vertical grooves, a motor I is arranged on the movable supporting rod, the motor I is connected with one end of a transmission shaft, a gear IV is fixedly connected with the other end of the transmission shaft, one end of the shaft is fixed in the movable supporting rod, the gear I is arranged on the shaft through a bearing, the other end of the shaft is fixedly connected with an electric cylinder push rod, an auxiliary sampler is arranged below the gear I, the bottom end of the transmission shaft is fixedly connected with an electric cylinder push rod, a motor II is connected with the sampler through a rotating shaft, the gear II is arranged on a slide rod, a transmission cross rod sleeved and fixed with the gear III is fixedly connected with the slide rod, and the gear III is meshed with a gear belt; the device can sample under the condition of lateral limitation through double sampler combination sampling, improves the strength of the test block, and further improves the integrity of the sampled sample and the efficiency of on-site sampling.
Description
Technical Field
The utility model relates to the technical field of geotechnical engineering, in particular to a soft rock sampling device for geotechnical engineering.
Background
Soft rock is a complex geotechnical medium with obvious plastic deformation under a specific environment, the international rock mechanics society defines the soft rock as a rock with single-pumping compressive strength of 0.5-25 MPa, and the soft rock belongs to the category of soft rock, and the basic mechanics theory and method of the soft rock are urgently needed to be studied in depth. The integrity of soft rock sampling at home and abroad still has technical problems, and the soft rock related geotechnical test usually needs a cylindrical sample for researching mechanical properties, but the soft rock is easy to crush and low in strength, and the soft rock is sampled by the traditional rock drilling and sampling mode, so that the sampled rock is easy to crush and crack, and the complete cylindrical sample is difficult to obtain. Meanwhile, the core is easy to stay in the drill bit after drilling and is difficult to take out, and the core is easy to be damaged in the taking-out process; the lack of an efficient sampling device greatly influences the study of soft rock related geotechnical tests.
Current soft rock sampling is typically performed in a laboratory, with few on-site sampling devices dedicated to soft rock sampling. Because the soft rock undisturbed test block has larger volume and irregular shape, the cost generated by transporting a large number of test blocks to a laboratory is higher, and the test blocks are extremely easy to break and crack during transportation, so that the economic benefit of transporting the test blocks from an engineering site to laboratory for sampling is lower.
Disclosure of Invention
The utility model provides a soft rock sampling device for geotechnical engineering, which solves the technical defects in the background, greatly improves the efficiency of sampling soft rock on site and the integrity of a sampled sample, is light and flexible to use, and effectively reduces the labor intensity and the labor cost.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model discloses a soft rock sampling device for geotechnical engineering, which comprises a support, wherein the support comprises upright posts, vertical grooves are respectively arranged on opposite sides of 2 upright posts, two ends of a movable supporting rod are respectively arranged in the 2 vertical grooves and move up and down along the 2 vertical grooves, a motor I is arranged on the movable supporting rod, an output shaft of the motor I is connected with one end of a transmission shaft, a gear IV is fixedly connected to the other end of the transmission shaft, one end of the shaft is fixed at the inner top of the movable supporting rod, the gear I is arranged on the shaft through a bearing, the other end of the shaft penetrates through the movable supporting rod to be fixedly connected with an electric cylinder push rod, the gear I is meshed with the gear IV, an auxiliary sampler is fixed below the gear I, the auxiliary sampler is a cylinder with saw teeth at the lower end, a motor II is connected to an output shaft of the motor II, the gear I is meshed with the gear II, the gear I is arranged in the movable supporting rod, the gear II is arranged at one end of the sliding rod, the other end of the transmission rod is fixedly connected with a transmission gear IV, the gear III is fixedly connected with the transmission cross rod, the gear III is meshed with a gear belt fixed in the right upright post, and the right upright post penetrates through the vertical groove to be connected with the outer side of the vertical groove.
The stand rear side rigid coupling of support has 4 horizontal poles, is provided with the montant on the horizontal pole with 2 relative sides of stand, and fixed mounting has the stabilizer blade between 2 horizontal poles at support top, and hand push handle is installed to support rear side top.
And universal wheels are arranged at the bottom of the bracket.
More than one bearing seat with a bearing is arranged in the movable supporting rod, and the transmission cross rod penetrates through the bearing.
Gear II can remove on the slide bar, makes gear II and gear I separation, and gear II one side is provided with the annular handle, conveniently grips removal gear II.
The rotary grab handle and the hand push handle are provided with anti-slip rubber.
The movable supporting rod is provided with a movable cover plate which is located above the gear II, the movable cover plate can be turned over and opened, the gear II is convenient to move, and overhaul equipment is convenient to overhaul.
After the auxiliary sampler drills into the test block in this device, fix the test block by auxiliary sampler, under the condition of limit, bore the sample by inboard sampler again to guarantee that the sample that gets is complete.
The electric cylinder push rod can enable the inner sampler to extend out of the auxiliary sampler so as to independently sample by using the inner sampler.
The sampler comprises an outer sleeve and an inner cylinder, an output shaft of a motor II is connected with the top of the outer sleeve, the inner cylinder is arranged in the outer sleeve through a fixing pin, and the inner cylinder is a cylinder consisting of 2 semicircular grooves; after sampling, take out the fixed pin, take out the inner tube from the outer sleeve, 2 semicircular grooves are separated, and then the rock sample can be conveniently obtained.
In the use process of the device, when the gear I is meshed with the gear II, the motor I or the rotary grab handle is adopted to enable the auxiliary sampler to rotate, and meanwhile, the movable supporting rod is lifted.
When the gear I is separated from the gear II, the motor I drives the auxiliary sampler to rotate; the rotary grab handle is rotated to manually control the movable supporting rod to ascend or descend.
In the device, the motor I, the motor II and the electric cylinder push rod can be connected with a conventional commercial controller, and the switch, the running speed and the like of the components can be controlled by a conventional method.
The beneficial effects of the utility model include:
(1) The semicircular groove design of the sampler ensures that the core is more convenient to take out from the sampler after the test block is drilled, and effectively avoids core damage caused by inconvenient taking out of the core;
(2) The gear I and the gear II can be freely combined and separated, so that the sampling device can be freely switched and combined between electric operation and manual operation, and various conditions encountered during on-site sampling can be effectively treated;
(3) The utility model adopts the mode of combined sampling of an inner sampler and an outer sampler, firstly, an auxiliary sampler drills a sample with a larger area, then the auxiliary sampler fixes the sampled sample, and the inner sampler samples under the condition of lateral limitation; in the process, the auxiliary sampler has large sampling area, stress concentration can be effectively reduced during drilling, the inner sampler can sample under the condition of lateral limitation after drilling, the development of cracks in the sample is effectively restrained, the strength of the sample is improved, and the integrity of the sampled sample is further improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of the structure of the gear II of the present utility model;
FIG. 4 is an enlarged schematic side view of the utility model at A in FIG. 2;
FIG. 5 is a schematic diagram of the meshing structure of the gear III and the gear belt of the utility model;
FIG. 6 is a schematic diagram of a structure of a sampler;
FIG. 7 is a schematic view of an inner barrel structure;
1-upright post; 2-vertical grooves; 3-a movable support bar; 4-a motor I; 5-a transmission shaft; 6-gear I; 7-an auxiliary sampler; 8-saw teeth; 9-an electric cylinder push rod; 10-motor II; 11-an output shaft; 12-a sampler; 13-gear II; 14-sliding bar; 15-a transmission cross bar 16-a gear III; 17-rotating the handle; 18-a gear belt; 19-bearing blocks; 20-an annular handle; 21-a cross bar; 22-universal wheels; 23-vertical rods; 24-hand pushing the handle; 25-stabilizing plates; 26-a movable cover plate; 27-an outer vertical groove; 28-gear IV; 29-axis; 30-an outer sleeve; 31-an inner cylinder; 32-fixing pins.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Example 1: as shown in fig. 1-7, the soft rock sampling device for geotechnical engineering of the embodiment comprises a bracket, wherein the bracket comprises upright posts 1, 4 cross rods 21 are fixedly connected to the rear side of the upright posts 1, 1 vertical rod 23 is respectively arranged on one side, opposite to the 2 upright posts 1, between the 2 cross rods 21, a stabilizing plate 25 is fixedly arranged between the 2 cross rods at the top of the bracket, a hand-push grip 24 is arranged above the rear side of the bracket, anti-slip rubber is arranged on the hand-push grip 24, vertical grooves 2 are respectively arranged on the opposite sides of the 2 upright posts 1, two ends of a movable supporting rod 3 are respectively arranged in the 2 vertical grooves through sliding blocks and can move up and down along the vertical grooves, a motor I4 is arranged on the movable supporting rod 3, and an output shaft of the motor I4 is connected with one end of a transmission shaft 5, the other end of the transmission shaft 5 is fixedly connected with a gear IV 28, one end of a shaft 29 is fixed at the inner top of the movable supporting rod 3, a gear I6 is installed on the shaft 29 through a bearing, the other end of the shaft 29 penetrates through the movable supporting rod 3 and is fixedly connected with an electric cylinder push rod 9, the gear I6 is meshed with the gear IV 28, an auxiliary sampler 7 is installed below the gear I6, the auxiliary sampler 7 is a cylinder with a sawtooth 8 at the lower end, a motor II 10 is connected to a telescopic rod of the electric cylinder push rod 9, the sampler 12 comprises an outer sleeve 30 and an inner cylinder 31, an output shaft 11 of the motor II 10 is connected with the top of the outer sleeve 30, the inner cylinder 31 is arranged in the outer sleeve 30 through a fixing pin 32, the inner cylinder 31 is a cylinder formed by 2 semicircular grooves, and an output shaft 11 of the motor II 10 is fixedly connected with the top of the outer sleeve 30 of the sampler 12; the gear I6 is meshed with the gear II 13, the gear I6 and the gear II 13 are arranged in the movable supporting rod 3, the gear II 13 is sleeved on one end of the sliding rod 14 and is in tight fit, an annular handle 20 is arranged on one side of the gear II 13, the movable gear II is convenient to hold, the other end of the sliding rod 14 is fixedly connected with one end of a transmission cross rod 15, 2 bearing seats 19 with bearings are arranged in the movable supporting rod 3, the other end of the transmission cross rod 15 passes through the bearings and is arranged in a right upright, a gear III 16 is fixedly sleeved on the bearing seats, and the gear III 16 is meshed with a gear belt 18 fixed in the right upright.
Example 2: the device structure of the embodiment is the same as that of embodiment 1, except that the rotary grab handle 17 passes through the outer vertical groove 27 on the right side upright post to be connected with the transmission cross rod 15, the rotary grab handle 17 is provided with anti-slip rubber, the movable support rod 3 is provided with a movable cover plate 26 which is positioned above the gear II 13, the gear II 13 is convenient to move, and the universal wheel 22 is arranged at the bottom of the bracket.
The sampling mode of the device is as follows:
1. when the gear I is meshed with the gear II, the rotary grab handle 17 is not arranged, the motor I4 is adopted to drive the auxiliary sampler to rotate, and meanwhile, the movable supporting rod is lifted; the motor II drives the sampler 12 to rotate, and the electric cylinder push rod 9 enables the sampler 12 to ascend or descend;
2. when the gear I is meshed with the gear II, a rotary grab handle 17 is arranged, the rotary grab handle is adopted to drive the auxiliary sampler to rotate, and meanwhile, the movable support rod is lifted; the motor II drives the sampler 12 to rotate, and the electric cylinder push rod 9 enables the sampler 12 to ascend or descend;
3. when the gear I is separated from the gear II, a rotary grab handle 17 is arranged, and the motor I4 drives the auxiliary sampler 7 to rotate; the rotary grab handle 17 is rotated to manually control the movable supporting rod 3 to ascend or descend; the motor II 10 drives the sampler 12 to rotate, and the electric cylinder push rod 9 enables the sampler 12 to ascend or descend;
the working principle of the device is as follows: when the auxiliary sampler is used, the motor I4 is started, the motor I4 drives the gear I6 to rotate through the transmission shaft 5 and the gear IV 28, and the gear I6 can drive the auxiliary sampler 5 to rotate; the gear I6 enables the transmission cross rod 15 to rotate through the gear II 13, and the gear III 16 is matched with the gear belt, so that the movable supporting rod 3 ascends or descends;
the gear III 16 can move up and down along the gear belt 18 by rotating the rotary grab handle 17, meanwhile, the transmission cross rod 15 is driven to rotate, the gear II 13 is driven to rotate by the transmission cross rod 15, the gear I6 is driven to rotate by the rotation of the gear II 13, the auxiliary sampler 7 is driven to rotate, after the auxiliary sampler 7 finishes sampling, the motor II 10 and the electric cylinder push rod 9 are started, and the sampler 12 is started to rotate for sampling.
The auxiliary sampler 7 and the sampler 12 are combined to sample as follows:
step one: pushing the device to the position above the sampled sample, enabling the auxiliary sampler 7 to be aligned with the sampled soft rock, and stably stopping the device;
step two: starting the motor I4 or rotating the rotary grab handle 17 to enable the auxiliary sampler 7 to rotate downwards for sampling;
step three: after the auxiliary sampler 7 is drilled, the auxiliary sampler 7 is kept fixed, and a motor II 10 is used for enabling the sampler 12 to rotate downwards for sampling;
step four: after the sampler 12 finishes sampling, the rotary grab handle 17 is rotated in the opposite direction, so that the movable stabilizer bar 3 rises;
step five: the sampler 12 is taken out from the auxiliary sampler 7, the fixing pin 32 is taken out, the inner cylinder 31 is taken out from the outer sleeve 30, and the complete rock sample can be conveniently obtained by separating 2 semicircular grooves.
Claims (9)
1. The utility model provides a soft rock sampling device for geotechnical engineering, includes support, its characterized in that: the bracket comprises upright posts (1), vertical grooves (2) are respectively formed in the opposite surfaces of the 2 upright posts (1), two ends of a movable supporting rod (3) are respectively arranged in the 2 vertical grooves and move up and down along the vertical grooves, a motor I (4) is arranged on the movable supporting rod (3), an output shaft of the motor I (4) is connected with one end of a transmission shaft (5), a gear IV (28) is fixedly connected to the other end of the transmission shaft (5), one end of a shaft (29) is fixed to the inner top of the movable supporting rod (3), a gear I (6) is arranged on the shaft (29) through a bearing, the other end of the shaft (29) penetrates through the movable supporting rod (3) and is fixedly connected with an electric cylinder pushing rod (9), the gear I (6) is meshed with the gear IV (28), an auxiliary sampler (7) is arranged below the gear I (6), the auxiliary sampler (7) is a cylinder with a saw tooth (8) at the lower end, a motor II (10) is connected to a telescopic rod of the electric cylinder pushing rod (9), a sampling sampler II (12) is connected to the output shaft (11), the gear II (6) is fixedly connected with the gear II (13) and is fixedly arranged on the other end of the sliding rod (14) through a bearing rod (13), the transmission cross rod (15) is sleeved and fixed with a gear III (16), and the gear III (16) is meshed with a gear belt (18) fixed in the right upright post.
2. The soft rock sampling device for geotechnical engineering according to claim 1, wherein: the rear side of the upright post (1) of the bracket is fixedly connected with 4 cross bars (21), one side of the cross bars (21) opposite to the 2 upright posts (1) is provided with a vertical bar (23), a stabilizing plate (25) is fixedly arranged between the 2 cross bars (21) at the top of the bracket, and a hand-push grip (24) is arranged above the rear side of the bracket.
3. The soft rock sampling device for geotechnical engineering according to claim 2, wherein: the device also comprises a rotary grab handle (17), and the rotary grab handle (17) passes through an outer side vertical groove (27) on the right side upright post to be connected with the transmission cross rod (15).
4. The soft rock sampling device for geotechnical engineering according to claim 1, wherein: more than one bearing seat (19) with a bearing is arranged in the movable supporting rod (3), and the transmission cross rod (15) passes through the bearing.
5. The soft rock sampling device for geotechnical engineering according to claim 1, wherein: the gear II (13) can move on the slide bar (14), so that the gear II (13) is separated from the gear I (6), and an annular handle (20) is arranged on one side of the gear II (13) to facilitate holding of the movable gear II (13).
6. A soft rock sampling device for geotechnical engineering according to claim 3, wherein: the rotary grab handle (17) and the hand push grab handle (24) are provided with anti-slip rubber.
7. The soft rock sampling device for geotechnical engineering according to claim 5, wherein: the movable supporting rod (3) is provided with a movable cover plate (26) which is positioned above the gear II (13) so as to move the gear II (13) conveniently.
8. The soft rock sampling device for geotechnical engineering according to claim 1, wherein: the sampler (12) comprises an outer sleeve (30) and an inner cylinder (31), an output shaft (11) of a motor II (10) is connected with the top of the outer sleeve (30), the inner cylinder (31) is arranged in the outer sleeve (30) through a fixing pin (32), and the inner cylinder (31) is a cylinder formed by 2 semicircular grooves.
9. The soft rock sampling device for geotechnical engineering according to claim 1, wherein: the bottom of the bracket is provided with a universal wheel (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223282255.0U CN218956146U (en) | 2022-12-08 | 2022-12-08 | Soft rock sampling device for geotechnical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223282255.0U CN218956146U (en) | 2022-12-08 | 2022-12-08 | Soft rock sampling device for geotechnical engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218956146U true CN218956146U (en) | 2023-05-02 |
Family
ID=86102878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223282255.0U Active CN218956146U (en) | 2022-12-08 | 2022-12-08 | Soft rock sampling device for geotechnical engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218956146U (en) |
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2022
- 2022-12-08 CN CN202223282255.0U patent/CN218956146U/en active Active
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