Replaceable geotechnical engineering investigation sampling device

Abstract

The utility model discloses a replaceable geotechnical engineering investigation sampling device which comprises a mounting plate, supporting legs are fixedly connected to the four corners of the bottom of the mounting plate, an electric push rod is fixedly connected to the axis of the bottom of the mounting plate, and a driving motor is fixedly connected to the bottom of the electric push rod. An output shaft of the driving motor is sleeved with a fixing cylinder, pin holes are formed in the surface of the fixing cylinder and the surface of the output shaft of the driving motor, pin rods are arranged in inner cavities of the pin holes, the surface of the fixing cylinder is sleeved with a sealing sleeve, the inner wall of the sealing sleeve makes contact with the surfaces of the pin rods, and a circular ring is fixedly connected to the surface of the sealing sleeve. By adopting the equipment, the automatic sampling work can be realized, a sample can be efficiently and quickly taken out after the sampling is completed, and meanwhile, the sampling barrel can be efficiently and quickly replaced according to the field working condition, so that the efficient sampling work is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of geotechnical engineering, in particular to a replaceable geotechnical engineering survey sampling device. Background Art

[0002] Geotechnical engineering investigation refers to the activities of identifying, analyzing, evaluating the geological, environmental characteristics and geotechnical conditions of the construction site and compiling investigation documents according to the requirements of the construction project. In the process of geotechnical engineering investigation, it is necessary to extract the original soil of the lower layer from the foundation as a sample, which requires the use of sampling devices;

[0003] For example, a Chinese patent discloses "a sampling device for geotechnical engineering investigation", with the announcement number: CN214096674U. The patent includes a sampling tube, which is a hollow structure inside, a sampling port is provided on the side wall of the sampling tube, a fixed rod is fixedly connected to the top of the sampling tube, a protective tube is provided outside the sampling tube, the protective tube is a structure with two ends open, a fixed tube is fixedly connected to the top of the protective tube, the sampling tube is vertically slidably connected to the protective tube, the fixed tube sleeve is arranged outside the fixed rod, and the length of the fixed rod is greater than the length of the fixed tube. This application has the effect of improving the accuracy of sampling, but the patent cannot replace the sampling tube efficiently and quickly, and the manual operation is inefficient and labor-intensive, which brings great inconvenience to the sampling work. Utility Model Content

[0004] The purpose of the utility model is to provide a replaceable geotechnical engineering survey sampling device, which has the advantage of being easy to use and solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a replaceable geotechnical engineering survey sampling device, comprising a mounting plate, the four corners of the bottom of the mounting plate are fixedly connected with legs, the axis of the bottom of the mounting plate is fixedly connected with an electric push rod, the bottom of the electric push rod is fixedly connected with a driving motor, the output shaft sleeve of the driving motor is provided with a fixing cylinder, the surface of the fixing cylinder and the surface of the output shaft of the driving motor are provided with pin holes, the inner cavity of the pin hole is provided with a pin rod, the surface of the fixing cylinder is provided with a sealing sleeve, the inner wall of the sealing sleeve is in contact with the surface of the pin rod, A circular ring is fixedly connected to the surface of the sealing sleeve, a limiting rod is arranged through the surface of the circular ring, a sampling barrel is fixedly connected to the bottom of the limiting rod, a first spring is sleeved on the surface of the limiting rod, two ends of the first spring are respectively fixedly connected to the surfaces of the sampling barrel and the circular ring, a movable groove is opened on both sides of the sampling barrel, a sliding rod is fixedly connected to the inner cavity of the movable groove, a handle is sleeved on the surface of the sliding rod, a second spring is sleeved on the surface of the sliding rod, two ends of the second spring are fixedly connected to the inner wall of the movable groove and the surface of the handle, a pushing plate is fixedly connected between the two handles.

[0006] Preferably, a controller is fixedly connected to the top of the mounting plate, and batteries are fixedly connected to both sides of the bottom of the mounting plate.

[0007] Preferably, both sides of the driving motor are fixedly connected to limit slide bars, the bottom of the limit slide bar surface is sleeved with a limit ring, and one side of the limit ring is fixedly connected to the bottom of the mounting plate through a connecting plate.

[0008] Preferably, a limiting ring is fixedly connected to the surface of the fixing cylinder and located on the top of the sealing sleeve, and the diameter of the limiting ring is smaller than the diameter of the sealing sleeve.

[0009] Preferably, the number of the pin rods and the number of the limiting rods are both five, and they are distributed at equal distances around the circumference.

[0010] Preferably, the bottom of the supporting leg is fixedly connected to a supporting plate, and the front and rear ends of the bottom of the supporting plate are fixedly connected to universal wheels.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model drives the driving motor to move downward by the electric push rod, so as to drive the sampling tube to move downward. When the sampling tube contacts the rock and soil, the sampling tube is driven by the driving motor to rotate to realize the sampling work. After the sampling is completed, the sampling tube with the sample is lifted, and then the push plate can be driven to move downward by pressing the handle downward, so that the sample can be taken out from the inner cavity of the sampling tube. When the sampling tube needs to be replaced, the ring is pressed downward, and when the ring moves downward to leak the pin rod, the pin rod is taken out from the inner cavity of the pin hole. At this time, the sampling tube can be separated from the output shaft of the driving motor to complete the replacement work. By adopting this equipment, automated sampling work can be realized, and the sample can be taken out efficiently and quickly after the sampling is completed. At the same time, the sampling tube can be replaced efficiently and quickly according to the on-site working conditions, thereby ensuring the efficient sampling work.

[0013] 2. The utility model can realize automatic control of the equipment by setting a controller, can provide power for the equipment by setting a battery, can limit the driving motor by setting a limit slide bar and a limit ring so that it can move up and down stably, can limit the sealing sleeve by setting a limit ring to avoid it from detaching, and can facilitate the movement of the equipment by setting a support plate and a universal wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a side view schematic diagram of the structure of the utility model;

[0016] Figure 3 It is a schematic cross-sectional view of the structure of the utility model.

[0017] In the figure: 1. mounting plate; 2. outrigger; 3. electric push rod; 4. driving motor; 5. fixing cylinder; 6. pin rod; 7. sealing sleeve; 8. circular ring; 9. limiting rod; 10. sampling cylinder; 11. first spring; 12. moving groove; 13. sliding rod; 14. handle; 15. second spring; 16. pushing plate; 17. controller; 18. battery; 19. limiting sliding rod; 20. limiting circular ring; 21. limiting ring; 22. supporting plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The components of the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0020] See also Figure 1-3 A replaceable geotechnical engineering survey sampling device comprises a mounting plate 1, four corners of the bottom of the mounting plate 1 are fixedly connected with legs 2, an electric push rod 3 is fixedly connected to the axis of the bottom of the mounting plate 1, a driving motor 4 is fixedly connected to the bottom of the electric push rod 3, an output shaft sleeve of the driving motor 4 is provided with a fixing cylinder 5, a surface of the fixing cylinder 5 and a surface of the output shaft of the driving motor 4 are provided with pin holes, a pin rod 6 is provided in the inner cavity of the pin hole, a sealing sleeve 7 is provided on the surface of the fixing cylinder 5, an inner wall of the sealing sleeve 7 contacts the surface of the pin rod 6, a circular ring 8 is fixedly connected to the surface of the circular ring 8, a limiting rod 9 is provided through the surface of the circular ring 8, a sampling cylinder 10 is fixedly connected to the bottom of the limiting rod 9, and a first elastic sleeve is provided on the surface of the limiting rod 9 Spring 11, both ends of the first spring 11 are fixedly connected to the surfaces of the sampling tube 10 and the ring 8 respectively, moving grooves 12 are opened on both sides of the sampling tube 10, the inner cavity of the moving groove 12 is fixedly connected with a sliding rod 13, the surface of the sliding rod 13 is sleeved with a handle 14, the surface of the sliding rod 13 is sleeved with a second spring 15, both ends of the second spring 15 are fixedly connected to the inner wall of the moving groove 12 and the surface of the handle 14, and a pushing plate 16 is fixedly connected between the two handles 14. By adopting this equipment, automated sampling work can be realized, and the sample can be taken out efficiently and quickly after the sampling is completed. At the same time, the sampling tube 10 can be replaced efficiently and quickly according to the on-site working conditions, thereby ensuring the efficient sampling work.

[0021] A controller 17 is fixedly connected to the top of the mounting plate 1, and batteries 18 are fixedly connected to both sides of the bottom of the mounting plate 1. By setting the controller 17, automatic control of the device can be achieved, and by setting the batteries 18, power can be provided for the device.

[0022] Both sides of the driving motor 4 are fixedly connected with a limit slide bar 19, and the bottom of the surface of the limit slide bar 19 is sleeved with a limit ring 20. One side of the limit ring 20 is fixedly connected to the bottom of the mounting plate 1 through a connecting plate. By setting the limit slide bar 19 and the limit ring 20, the driving motor 4 can be limited so that it can move up and down stably.

[0023] A limiting ring 21 is fixedly connected to the surface of the fixed cylinder 5 and located at the top of the sealing sleeve 7, and the diameter of the limiting ring 21 is smaller than the diameter of the sealing sleeve 7. By setting the limiting ring 21, the sealing sleeve 7 can be limited to avoid its separation.

[0024] The number of the pin rods 6 and the number of the limiting rods 9 are both five, and they are distributed at equal distances around the circumference.

[0025] The bottom of the support leg 2 is fixedly connected with a support plate 22, and the front and rear ends of the bottom of the support plate 22 are fixedly connected with universal wheels. By providing the support plate 22 and the universal wheels, the device can be easily moved.

[0026] The control method of the present invention is to automatically control through the controller 17. The control circuit of the controller 17 can be realized by simple programming by technicians in this field, which belongs to the common knowledge in this field. In addition, the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and circuit connection in detail.

[0027] During use, the electric push rod 3 drives the driving motor 4 to move downward, which can drive the sampling tube 10 to move downward. When the sampling tube 10 contacts the rock and soil, the sampling tube 10 is driven to rotate by the driving motor 4 to achieve sampling. After the sampling is completed, the sampling tube 10 with the sample is lifted, and then the push plate 16 can be driven downward by pressing the handle 14, so that the sample can be taken out from the inner cavity of the sampling tube 10. When the sampling tube 10 needs to be replaced, the ring 8 is pressed downward. When the ring 8 moves downward to leak the pin 6, the pin 6 is taken out from the inner cavity of the pin hole. At this time, the sampling tube 10 can be separated from the output shaft of the driving motor 4 to complete the replacement.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A replaceable geotechnical engineering survey sampling device, comprising a mounting plate (1), characterized in that: The four corners of the bottom of the mounting plate (1) are fixedly connected to supporting legs (2), the axis of the bottom of the mounting plate (1) is fixedly connected to an electric push rod (3), the bottom of the electric push rod (3) is fixedly connected to a driving motor (4), the output shaft sleeve of the driving motor (4) is provided with a fixing cylinder (5), the surface of the fixing cylinder (5) and the surface of the output shaft of the driving motor (4) are both provided with pin holes, the inner cavity of the pin hole is provided with a pin rod (6), the surface of the fixing cylinder (5) is sleeved with a sealing sleeve (7), the inner wall of the sealing sleeve (7) is in contact with the surface of the pin rod (6), the surface of the sealing sleeve (7) is fixedly connected to a circular ring (8), the surface of the circular ring (8) is penetrated by a limiting rod (9), The bottom of the limit rod (9) is fixedly connected to a sampling barrel (10), the surface of the limit rod (9) is sleeved with a first spring (11), the two ends of the first spring (11) are respectively fixedly connected to the surfaces of the sampling barrel (10) and the ring (8), both sides of the sampling barrel (10) are provided with a movable groove (12), the inner cavity of the movable groove (12) is fixedly connected to a sliding rod (13), the surface of the sliding rod (13) is sleeved with a handle (14), the surface of the sliding rod (13) is sleeved with a second spring (15), the two ends of the second spring (15) are fixedly connected to the inner wall of the movable groove (12) and the surface of the handle (14), and a push plate (16) is fixedly connected between the two handles (14).

2. A replaceable geotechnical engineering survey sampling device according to claim 1, characterized in that: The top of the mounting plate (1) is fixedly connected to a controller (17), and both sides of the bottom of the mounting plate (1) are fixedly connected to storage batteries (18).

3. A replaceable geotechnical engineering survey sampling device according to claim 1, characterized in that: Both sides of the driving motor (4) are fixedly connected to a limiting slide bar (19), the bottom of the surface of the limiting slide bar (19) is sleeved with a limiting ring (20), and one side of the limiting ring (20) is fixedly connected to the bottom of the mounting plate (1) via a connecting plate.

4. A replaceable geotechnical engineering survey sampling device according to claim 1, characterized in that: A limiting ring (21) is fixedly connected to the surface of the fixing cylinder (5) and located at the top of the sealing sleeve (7), and the diameter of the limiting ring (21) is smaller than the diameter of the sealing sleeve (7).

5. A replaceable geotechnical engineering survey sampling device according to claim 1, characterized in that: The number of the pin rods (6) and the number of the limiting rods (9) are both five, and they are distributed at equal distances around the circumference.

6. A replaceable geotechnical engineering survey sampling device according to claim 1, characterized in that: The bottom of the support leg (2) is fixedly connected to a support plate (22), and the front and rear ends of the bottom of the support plate (22) are fixedly connected to universal wheels.

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