CN215833038U

CN215833038U - Geotechnical engineering reconnaissance sampling device

Info

Publication number: CN215833038U
Application number: CN202121162958.2U
Authority: CN
Inventors: 白继兵; 杨宽; 张智杰
Original assignee: Yuxiang Construction Engineering Co ltd
Current assignee: Yuxiang Construction Engineering Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-02-15
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a geotechnical engineering investigation sampling device, which comprises a workbench, wherein a sampling hole is formed in the center of the top end of the workbench, four support rods are fixedly arranged on the periphery of the sampling hole, a support plate is fixedly arranged at the top ends of the four support rods, a sampling column is arranged at the top end of the workbench, an opening is formed in the center of the top end of the support plate, a bearing is arranged in the opening, a sliding block is sleeved on the sampling column, the bottom end of the sliding block is connected with the bearing, a fixed base is fixedly arranged on one side of the top end of the support plate, a motor is fixedly arranged on the fixed base, a driving bevel gear is sleeved at the output end of the motor, a driven bevel gear is sleeved on the sliding block, the driven bevel gear is mutually meshed with the driving bevel gear, pulleys are fixedly arranged at four corners of the bottom end of the workbench, are made of PC plastic, and brake foot plates are arranged on the pulleys, can effectively improve the accuracy of sampling and has higher practical value.

Description

Geotechnical engineering reconnaissance sampling device

Technical Field

The utility model relates to the technical field of geotechnical engineering, in particular to a geotechnical engineering investigation sampling device.

Background

Geotechnical engineering is a new technical system established in civil engineering practice in 60's of the 20 th century in the countries of the Europe and the America. Geotechnical engineering is to solve the problems of rock and soil engineering, including foundation and foundation, slope, underground engineering and the like, and is used as a research object of the geotechnical engineering.

At present, sampling operation is required in the geotechnical engineering investigation process, the traditional sampling device is inconvenient to move and heavy to carry, so that the labor intensity of sampling personnel is increased, and the sampling depth adjusting range is limited and the use is inconvenient; moreover, in the sampling process, the sampling drilling machine can generate large vibration, and the structural stability of the sampling device is poor, so that the stability of the device and the sampling accuracy are easily affected. Therefore, the geotechnical engineering investigation sampling device is provided by improving the characteristics.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the geotechnical engineering investigation sampling device comprises a workbench, wherein a sampling hole is formed in the center of the top end of the workbench, four support rods are fixedly mounted around the sampling hole, a support plate is fixedly mounted at the top ends of the four support rods, a sampling column is arranged at the top end of the workbench, an opening is formed in the center of the top end of the support plate, a bearing is arranged in the opening, a sliding block is sleeved on the sampling column, the bottom end of the sliding block is connected with the bearing, a fixed base is fixedly mounted on one side of the top end of the support plate, a motor is fixedly mounted on the fixed base, a driving bevel gear is sleeved at the output end of the motor, a driven bevel gear is sleeved on the sliding block, and the driven bevel gear is meshed with the driving bevel gear.

In a preferred embodiment of the present invention, the sampling column has a thread on an upper surface thereof, and the slider has a plurality of balls at a portion contacting the sampling column, and can form a ball screw kinematic pair with the sampling column via the balls.

As a preferred technical scheme, the bottom end of the supporting plate is fixedly provided with a fixed disc, the fixed disc is sleeved on the sampling column, a sliding groove is formed in the sampling column, a second limiting block is arranged in the sliding groove, and one side of the second limiting block is connected with the fixed disc.

According to a preferable technical scheme, the top end of the inside of the sampling column is provided with a limiting block, the top end of the limiting block is provided with a threaded hole, an inner rod is arranged in the threaded hole, the upper surface of the inner rod is provided with external threads meshed with threads on the inner wall of the threaded hole, and the top end of the inner rod is fixedly provided with a first handle.

As a preferable technical scheme of the utility model, a conical drill bit is arranged at the bottom end of the sampling column, a sampling groove is arranged in the conical drill bit, and the inner rod extends to the outer side of the sampling column and is connected with the conical drill bit.

As a preferred technical scheme, fixing columns are fixedly mounted on two sides of the workbench, threaded holes are formed in the fixing columns, threaded rods are connected with the threaded holes in an internal thread mode, a second handle is sleeved at the top ends of the threaded rods, and conical blocks are connected to the bottom ends of the threaded rods.

As a preferred technical scheme of the present invention, an operation box is fixedly installed on one side of the top end of the workbench, a digital control switch is arranged on the top end of the operation box, and the motor is electrically connected with the digital control switch through a wire and is controlled by the digital control switch.

As a preferred technical scheme, pulleys are fixedly mounted at four corners of the bottom end of the workbench, the pulleys are made of PC plastic, and brake foot plates are mounted on the pulleys.

The utility model has the beneficial effects that:

1. according to the geotechnical engineering investigation sampling device, the motor operates to drive the driven bevel gear and the driving bevel gear to rotate so as to drive the sliding block to rotate, the sliding block is provided with a plurality of balls at the contact part with the sampling column and forms a ball screw kinematic pair, downward movement of the sampling column is realized, and the sampling column is prevented from rotating by matching the sliding groove, the fixed disc and the second limiting block;

2. according to the geotechnical engineering investigation sampling device, the fixed column, the threaded rod and the second handle are matched for use, so that sampling personnel can fix the device conveniently, the device is prevented from moving in the sampling process to cause damage to the device, meanwhile, unnecessary accidents are avoided, the safety of the device is improved, the pulleys are fixedly mounted at four corners of the bottom end of the workbench, the sampling personnel can move the device conveniently, and the labor intensity of the sampling personnel is reduced;

3. according to the geotechnical engineering investigation sampling device, the inner rod and the limiting block are matched for use, so that when the first handle is rotated, the inner rod rotates downwards, the inner rod is connected with the conical drill bit, the sampling groove in the conical drill bit is used for storing and sampling, and the sampling accuracy is guaranteed; the utility model has the advantages of simple and reasonable structure, novel design, simple and convenient operation, capability of effectively improving the sampling accuracy and higher practical value.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of a geotechnical engineering investigation sampling apparatus of the present invention;

FIG. 2 is a cross-sectional view of a geotechnical engineering investigation sampling apparatus of the present invention;

fig. 3 is an enlarged schematic view of a structure a in fig. 2 of the geotechnical engineering investigation sampling device of the present invention.

In the figure: 1. a work table; 2. a support plate; 3. a sampling column; 4. a slider; 5. a driven bevel gear; 6. a bearing; 7. a motor; 8. a drive bevel gear; 9. an inner rod; 10. a first handle; 11. a conical drill bit; 12. a chute; 13. a sampling hole; 14. a support bar; 15. fixing a column; 16. a threaded rod; 17. a second handle; 18. a digital control switch; 19. a pulley; 20. a first stopper; 21. fixing the disc; 22. and a second limiting block.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the geotechnical engineering investigation sampling device comprises a workbench 1, wherein a sampling hole 13 is formed in the center of the top end of the workbench 1, four support rods 14 are fixedly mounted around the sampling hole 13, a support plate 2 is fixedly mounted at the top ends of the four support rods 14, a sampling column 3 is arranged at the top end of the workbench 1, an opening is formed in the center of the top end of the support plate 2, a bearing 6 is arranged in the opening, a sliding block 4 is sleeved on the sampling column 3, the bottom end of the sliding block 4 is connected with the bearing 6, a fixed base is fixedly mounted on one side of the top end of the support plate 2, a motor 7 is fixedly mounted on the fixed base, a driving bevel gear 8 is sleeved at the output end of the motor 7, a driven bevel gear 5 is sleeved on the sliding block 4, and the driven bevel gear 5 is meshed with the driving bevel gear 8.

The upper surface of the sampling column 3 is provided with threads, the sliding block 4 is provided with a plurality of balls at the contact part with the sampling column 3, and the ball and the sampling column 3 can form a ball screw kinematic pair through the balls.

Wherein, the appearance pillar 3 is cylinder tubular structure, 2 bottom fixed mounting of backup pad have a fixed disk 21, fixed disk 21 suit has been on appearance pillar 3, spout 12 has been seted up on appearance pillar 3, be equipped with second stopper 22 in the spout 12, second stopper 22 one side is connected with fixed disk 21, has prevented the rotation of appearance pillar 3.

Wherein, the inside top of sampling post 3 is equipped with stopper 20, threaded hole is seted up on stopper 20 top, threaded hole is equipped with interior pole 9, interior pole 9 upper surface is equipped with the external screw thread with threaded hole inner wall screw thread intermeshing, interior pole 9 top fixed mounting has the first in command 10.

Wherein, the 3 bottom of sample post is equipped with conical bit 11, be equipped with the sample groove in the conical bit 11, interior pole 9 extends to the 3 outsides of sample post to be connected with conical bit 11.

The utility model discloses a device for sampling, including workstation 1, threaded hole, threaded rod 16, conical block, sampling personnel, fixed column 15, threaded hole internal thread connection has threaded rod 16, threaded rod 16 top cover is equipped with second handle 17, the 16 bottom of threaded rod is connected with the conical block, has made things convenient for the sampling personnel to fix the device, prevents that the device from taking place to remove in the sampling process, causes the harm of device, has avoided the unnecessary occurence of failure simultaneously, has improved the security of the device.

An operation box is fixedly mounted on one side of the top end of the workbench 1, a digital control switch 18 is arranged at the top end of the operation box, and the motor 7 is electrically connected with the digital control switch 18 through a wire and controlled by the digital control switch 18.

Wherein, 1 bottom four corners of workstation all fixed mounting have pulley 19, pulley 19 is PC plastics material, just all install the brake sole on the pulley 19, made things convenient for the sampling personnel to remove the device, reduced sampling personnel's intensity of labour.

The working principle is as follows: the geotechnical engineering investigation sampling device drives the driven bevel gear 5 and the driving bevel gear 8 to rotate through the operation of the motor 7, thereby driving the slide block 4 to rotate, a plurality of balls are arranged at the contact part of the slide block 4 and the sampling column 3, and a ball screw kinematic pair is formed, thereby realizing the downward movement of the sampling column 3, preventing the sampling column 3 from rotating through the matching use of the chute 12, the fixed disc 21 and the second limit block 22, facilitating the fixing of the sampling personnel to the device through the matching use of the fixed column 15, the threaded rod 16 and the second handle 17, preventing the device from moving in the sampling process, causing the damage of the device, avoiding the unnecessary accidents, improving the safety of the device, facilitating the movement of the sampling personnel through the pulleys 19 fixedly arranged at four corners of the bottom end of the workbench 1, reducing the labor intensity of the sampling personnel, through the matching use of the inner rod 9 and the limiting block 20, the inner rod 9 rotates downwards when the first handle 10 is rotated, and the inner rod 9 is connected with the conical drill bit 11, so that the storage sampling of a sampling groove in the conical drill bit 11 is realized, and the sampling accuracy is ensured; the utility model has the advantages of simple and reasonable structure, novel design, simple and convenient operation, capability of effectively improving the sampling accuracy and higher practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The geotechnical engineering investigation sampling device comprises a workbench (1) and is characterized in that a sampling hole (13) is formed in the center of the top of the workbench (1), four supporting rods (14) are fixedly mounted on the periphery of the sampling hole (13), a supporting plate (2) is fixedly mounted on the top of the four supporting rods (14), a sampling column (3) is arranged on the top of the workbench (1), an opening is formed in the center of the top of the supporting plate (2), a bearing (6) is arranged in the opening, a sliding block (4) is sleeved on the sampling column (3), the bottom end of the sliding block (4) is connected with the bearing (6), a fixed base is fixedly mounted on one side of the top end of the supporting plate (2), a motor (7) is fixedly mounted on the fixed base, a driving bevel gear (8) is sleeved at the output end of the motor (7), a driven bevel gear (5) is sleeved on the sliding block (4), the driven bevel gear (5) is meshed with the driving bevel gear (8).

2. The geotechnical engineering investigation sampling device according to claim 1, wherein the sampling column (3) is provided with threads, and the sliding block (4) is provided with a plurality of balls at the contact part with the sampling column (3), and can form a ball screw kinematic pair with the sampling column (3) through the balls.

3. The geotechnical engineering investigation sampling device of claim 1, wherein the bottom end of the support plate (2) is fixedly provided with a fixed plate (21), the fixed plate (21) is sleeved on the sampling column (3), the sampling column (3) is provided with a sliding groove (12), the sliding groove (12) is internally provided with a second limit block (22), and one side of the second limit block (22) is connected with the fixed plate (21).

4. The geotechnical engineering investigation sampling device of claim 1, wherein the top end of the inside of the sampling column (3) is provided with a first limit block (20), the top end of the first limit block (20) is provided with a threaded hole, an inner rod (9) is arranged in the threaded hole, the upper surface of the inner rod (9) is provided with external threads meshed with the threads on the inner wall of the threaded hole, and the top end of the inner rod (9) is fixedly provided with a first handle (10).

5. The geotechnical engineering investigation sampling device according to claim 1, wherein the bottom end of the sampling column (3) is provided with a conical drill bit (11), a sampling groove is formed in the conical drill bit (11), and the inner rod (9) extends to the outer side of the sampling column (3) and is connected with the conical drill bit (11).

6. The geotechnical engineering investigation sampling device of claim 1, wherein fixing columns (15) are fixedly mounted on two sides of the workbench (1), threaded holes are formed in the fixing columns (15), threaded rods (16) are connected with the threaded holes in an internal thread mode, second handles (17) are sleeved on top ends of the threaded rods (16), and conical blocks are connected to bottom ends of the threaded rods (16).

7. The geotechnical engineering investigation sampling device of claim 1, wherein one side of the top end of the workbench (1) is fixedly provided with an operation box, the top end of the operation box is provided with a digital control switch (18), and the motor (7) is electrically connected with the digital control switch (18) through a wire and is controlled by the digital control switch (18).

8. The geotechnical engineering investigation sampling device of claim 1, wherein four corners of the bottom end of the workbench (1) are fixedly provided with pulleys (19), the pulleys (19) are made of PC plastic, and the pulleys (19) are provided with brake foot plates.