Rock soil collecting and sampling device for geotechnical engineering

Abstract

The utility model relates to the technical field of geotechnical engineering, in particular to a geotechnical collecting and sampling device for geotechnical engineering, which comprises a support plate, four corners of the lower portion of the support plate are supported by a fixing sleeve A and a fixing sleeve B, four corners of the upper portion of the support plate are supported by support rods, and the tops of the support rods are fixed by a support top plate. Telescopic rods are arranged on the supporting top plate, the free ends of the telescopic rods face downwards and are connected with the same lifting plate, one side of the lifting plate is rotationally connected with a rotating rod through a rotating shaft, one end of the rotating rod is rotationally connected with a drill rod, the other end of the rotating rod is connected with a telescopic mechanism, and the telescopic mechanism is connected with a sampling rod. A rock-soil collecting assembly is arranged on the sampling rod, the sampling length is adjusted by synchronously adjusting the lengths of the fixed sleeve A, the drill rod and the sampling rod, the sampling position is controlled through the arranged rock-soil collecting assembly, and the use effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of geotechnical engineering, in particular to a rock and soil collecting and sampling device used in geotechnical engineering. Background Art

[0002] Civil engineering encompasses all types of engineering projects above ground, underground, and underwater. The portion of civil engineering involving rock, soil, underground, and underwater is called geotechnical engineering. Geotechnical sampling and analysis is an essential step before geotechnical engineering construction. Sampling is typically performed simultaneously with drilling, resulting in uncertain rock and soil depths, making detailed geotechnical analysis difficult, and sample length adjustment difficult, resulting in poor performance. Therefore, overcoming these technical issues and drawbacks has become a key challenge. Utility Model Content

[0003] The purpose of the invention of the utility model is to overcome the defects described in the background art, thereby realizing a rock and soil collection sampling device for geotechnical engineering that is convenient for adjusting the sampling length, controlling the sampling position and having good use effect.

[0004] To achieve the above-mentioned purpose of the invention, the technical solution of the utility model is: a geotechnical collection and sampling device for geotechnical engineering, comprising a support plate, the four corners of the lower part of the support plate are supported by a fixed sleeve A and a fixed sleeve B, the four corners of the upper part of the support plate are supported by a support rod, the top of the support rod is fixed by a support top plate, telescopic rods are arranged on the support top plate, the free ends of the telescopic rods face downward and are connected to the same lifting plate, one side of the lifting plate is rotatably connected to a rotating rod through a rotating shaft, one end of the rotating rod is rotatably connected to a drill rod, the other end of the rotating rod is connected to a telescopic mechanism, a sampling rod is connected to the telescopic mechanism, and a geotechnical collection assembly is provided on the sampling rod.

[0005] Furthermore, the fixed sleeves A are arranged in an array, and adjacent fixed sleeves are connected by threaded connectors A and threaded connectors B, and the fixed sleeves A and fixed sleeves B are connected. The fixed sleeve B is arranged at the bottom, and a spike portion is provided at the bottom of the fixed sleeve B. By connecting several fixed sleeves A, the height of the entire device can be adjusted, and the spike portion at the bottom of the fixed sleeve B can make it easier to fix the fixed sleeve B inside the ground.

[0006] Furthermore, at least two telescopic rods are provided, and at least one is set to be electrically driven or hydraulically driven. The fixed end of the telescopic rod is installed on the supporting top plate, and at least one electric drive or hydraulic drive is provided to provide power for the extension and retraction of the telescopic rod. At least two telescopic rods are set to achieve stable lifting and lowering of the lifting plate.

[0007] Furthermore, the rotating shaft is driven by a rotating motor. Under the action of the rotating motor, the rotating shaft rotates, thereby driving the rotation of the rotating rod, and then adjusting the positions of the drill rod and the sampling rod.

[0008] Furthermore, the drill rod is arranged in a spiral shape, and the drill rod includes a drill rod connection part A and a drill rod connection part B arranged in an arranged manner. The adjacent drill rod connection parts A are connected by a spiral connection, and the drill rod connection parts A and the drill rod connection parts B are also connected by a spiral connection. The drill rod connection part B is at the bottom, and a drill bit is arranged at the bottom; a driven transmission gear is fixed on the upper part of the drill rod, a transmission motor is fixed on the rotating rod, and an active transmission gear is fixed at the output end of the transmission motor. The active transmission gear and the driven transmission gear are engaged and transmitted. By starting the transmission motor, the engaged active transmission gear and the driven transmission gear are driven, and then the drill rod starts to rotate. The spiral drill rod facilitates the discharge of internal rock and soil during rotation and reduces the resistance to descent. A plurality of drill rod connection parts A are provided to facilitate adjustment of the depth of the drill hole.

[0009] Furthermore, the telescopic mechanism includes a telescopic support block, a connecting rod is connected to the side of the telescopic support block, a telescopic slot is opened at the end of the rotating rod, the connecting rod extends into the telescopic slot, and a limit block is fixed at the end of the connecting rod, and a telescopic spring is arranged between the limit block and the bottom of the telescopic slot, thereby pressing the telescopic support block, compressing the telescopic spring, and offsetting the position of the telescopic support block. After the sampling is completed, the telescopic support block is stretched back to its original position under the action of the compression force of the telescopic spring.

[0010] Furthermore, the rock and soil collection assembly includes a collection box arranged and fixed on the sampling rod, a vertical groove is provided on the sampling rod connected to one side of the collection box, and a cover body is hinged at the vertical groove on the upper part of the collection box, and the two adjacent cover bodies are connected by a traction line, and an L-shaped groove is provided on the telescopic support block. The traction line on the uppermost cover body passes through the L-shaped groove and extends out from the side of the telescopic support block. The end of the traction line is limited by the handle. When the telescopic support block compresses the telescopic spring and displaces, the collection box extends into the rock and soil on the side of the borehole. Under the action of the telescopic rod, the sampling rod is moved upward, and the collection box moves upward for sampling. After the sampling is completed, the telescopic support block is returned to its original position. At this time, the collection box returns to the borehole, and the telescopic rod continues to move upward to take out the collection box, completing the collection and sampling of the rock and soil.

[0011] Furthermore, the collecting box is provided with an inclined pointed structure on a side away from the sampling rod, so as to facilitate the collection box to be inserted into the rock and soil at the corresponding position.

[0012] Beneficial effects of the rock and soil collection and sampling device for geotechnical engineering of the utility model:

[0013] 1. The geotechnical collection and sampling device for geotechnical engineering of the present invention is connected by a plurality of fixed sleeves A to adjust the height of the entire device. The drill rod includes a drill rod connection part A and a drill rod connection part B arranged in an array, and adjacent drill rod connection parts A are connected by a spiral connection; and the drill rod connection part A and the drill rod connection part B are also connected by a spiral connection; the sampling rod is composed of multiple sections, and adjacent sampling rods are connected by a spiral connection; the number and length of the fixed sleeve A, the drill rod connection part A and the sampling rod correspond to each other, so that the sampling depth can be adjusted synchronously.

[0014] 2. The utility model is a rock and soil collection and sampling device for geotechnical engineering. When the telescopic support block is pressed, the telescopic spring is compressed, and the position of the telescopic support block is offset. At this time, the collection box is extended into the rock and soil on the side of the drill hole. Under the action of the telescopic rod, the sampling rod is moved upward, and the collection box moves upward for sampling to complete the rock and soil sampling of the corresponding depth. After the sampling is completed, under the action of the compression force of the telescopic spring, the telescopic support block is stretched back to its original position. At this time, the collection box returns to the drill hole, and the telescopic rod continues to move upward to take out the collection box, completing the rock and soil collection sampling, with good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the rock and soil collection and sampling device for geotechnical engineering of the present invention;

[0016] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure of A in the middle;

[0017] Figure 3 This is a schematic diagram of the top view of the collection box of the rock and soil collection and sampling device for geotechnical engineering of the present invention;

[0018] Figure 4 This is a schematic diagram of the main structure of the rock and soil collection and sampling device for geotechnical engineering of the present invention, with the rotating rod rotated 180 degrees;

[0019] Figure 5 A schematic diagram of the top view of the rock and soil collection and sampling device for geotechnical engineering according to the present invention.

[0020] In the figure: 1-support plate, 21-fixed sleeve A, 22-fixed sleeve B, 23-spike portion, 211-threaded connector A, 221-threaded connector B, 31-support rod, 32-support top plate, 4-telescopic rod, 5-lifting plate, 6-rotating rod, 61-telescopic slot, 71-rotating motor, 72-rotating shaft, 8-sampling rod, 81-vertical slot, 9-drill rod, 91-drill rod connection A, 92-drill rod connection B, 921-drill bit, 101-driven transmission gear, 102-driving transmission gear, 103-transmission motor;

[0021] Telescopic mechanism: 111-telescopic spring, 112-limiting block, 113-connecting rod, 114-telescopic support block, 1141-L-shaped slot;

[0022] Geotechnical collection components: 121-handle, 122-traction line, 123-cover, 124-collection box. DETAILED DESCRIPTION

[0023] The rock and soil collection and sampling device for geotechnical engineering of the present invention will be described in more detail below with reference to the accompanying drawings and through specific implementation methods.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] See also Figure 1-Figure 5 The geotechnical collection and sampling device for geotechnical engineering of this embodiment has achieved the technical effect of convenient adjustment of sampling length and control of sampling position on the basis of good use effect. The structure of this embodiment includes a support plate 1, and the four corners of the lower part of the support plate 1 are supported by a fixed sleeve A21 and a fixed sleeve B22. The fixed sleeves A21 are arranged in an array, and the adjacent fixed sleeves are connected by a threaded connector A211 and a threaded connector B221, and the fixed sleeve A21 and the fixed sleeve B22 are connected. The fixed sleeve B22 is arranged at the bottom, and a spike portion 23 is provided at the bottom of the fixed sleeve B22. The height of the entire device can be adjusted by connecting several fixed sleeves A21, and the spike portion 23 at the bottom of the fixed sleeve B22 can make it easier to fix the fixed sleeve B22 inside the ground.

[0026] See also Figure 1 、 Figure 4 and Figure 5 In this embodiment, the four corners of the upper part of the support plate 1 are supported by support rods 31, and the top of the support rods 31 is fixed by a support top plate 32. Telescopic rods 4 are arranged on the support top plate 32, and the free ends of the telescopic rods 4 face downward and are connected to the same lifting plate 5. There are at least two telescopic rods 4, and at least one is set to be electrically driven or hydraulically driven. The fixed end of the telescopic rod 4 is installed on the support top plate 32, and at least one electric drive or hydraulic drive is provided to provide power for the extension and retraction of the telescopic rod 4. At least two telescopic rods 4 are set to achieve stable lifting and lowering of the lifting plate 5.

[0027] See also Figure 1 and Figure 4 In this embodiment, one side of the lifting plate 5 is rotatably connected to the rotating rod 6 via a rotating shaft 72. The rotating shaft 72 is driven by a rotating motor 71. Under the action of the rotating motor 71, the rotating shaft 72 rotates, thereby driving the rotation of the rotating rod 6, and then adjusting the positions of the drill rod 9 and the sampling rod 8. One end of the rotating rod 6 is rotatably connected to a drill rod 9, and the drill rod 9 is arranged in a spiral shape. The drill rod 9 includes a drill rod connection part A91 and a drill rod connection part B92 arranged in an arranged manner. The adjacent drill rod connection parts A91 are connected by a spiral connection, and the drill rod connection part A91 and the drill rod connection part B92 are also connected by a spiral connection. The drill rod connection part B92 is at the bottom and a drill bit 921 is provided at the bottom; a driven transmission gear 101 is fixed to the upper part of the drill rod 9, a transmission motor 103 is fixed on the rotating rod 6, and a driving transmission gear 102 is fixed at the output end of the transmission motor 103. The driving transmission gear 102 and the driven transmission gear 101 are engaged and transmitted. By starting the transmission motor 103, the engaged driving transmission gear 102 and the driven transmission gear 101 are driven, and then the drill rod 9 starts to rotate. The spiral drill rod 9 facilitates the discharge of internal rock and soil during rotation and reduces the resistance to descent. A plurality of drill rod connection parts A91 are provided to facilitate adjustment of the depth of the drill hole.

[0028] See also Figure 1 、 Figure 2 and Figure 3 The other end of the rotating rod 6 is connected to a telescopic mechanism, to which the sampling rod 8 is connected. The collecting box 124 of this embodiment is configured as an inclined pointed structure on the side away from the sampling rod 8, so as to facilitate the collection box 124 to be inserted into the rock and soil at the corresponding position. The telescopic mechanism includes a telescopic support block 114, the side of which is connected to a connecting rod 113. A telescopic slot 61 is provided at the end of the rotating rod 6. The connecting rod 113 extends into the telescopic slot 61, and a limit block 112 is fixed at the end of the connecting rod 113. A telescopic spring 111 is provided between the limit block 112 and the bottom of the telescopic slot 61, thereby pressing the telescopic support block 114. The telescopic spring 111 is compressed, and the position of the telescopic support block 114 is offset. After the sampling is completed, the telescopic support block 114 is stretched back to its original position under the compression force of the telescopic spring 111.

[0029] See also Figure 1 and Figure 2In this embodiment, a rock and soil collection assembly is provided on the sampling rod 8. The rock and soil collection assembly includes a collection box 124 arranged and fixed on the sampling rod 8, a vertical slot 81 is provided on the sampling rod 8 connected to one side of the collection box 124, and a cover 123 is hingedly connected to the vertical slot 81 on the upper part of the collection box 124. The two adjacent covers 123 are connected by a traction line 122. The traction line 122 can be replaced with a hinged connecting rod between adjacent covers 123, so that when the uppermost cover 123 is pressed, the rock and soil in all the collection boxes 124 can be compacted and covered with the cover 123. An L-shaped slot 1141 is provided on the telescopic support block 114, and the uppermost cover The traction line 122 on 123 passes through the L-shaped groove 1141 and extends out from the side of the telescopic support block 114. The end of the traction line 122 is limited by the handle 121. When the telescopic support block 114 compresses the telescopic spring 111 and moves, the collection box 124 extends into the rock and soil on the side of the borehole. Under the action of the telescopic rod 4, the sampling rod 8 moves upward, and the collection box 124 moves upward for sampling. After the sampling is completed, the telescopic support block 114 is returned to its original position. At this time, the collection box 124 returns to the borehole, and the telescopic rod 4 continues to move upward to take out the collection box 124, completing the collection and sampling of the rock and soil.

[0030] The principle and method of use of this embodiment are as follows: When in use, first adjust the number and length of the fixed sleeve A21, the drill rod connecting portion A91 and the sampling rod 8 to correspond, thereby synchronously adjusting the sampling depth. Then, fix the fixed sleeve B22 to the ground, start the rotary motor 71, adjust the drill rod 9 to rotate to the sampling point, start the transmission motor 103 to drive the drill rod 9 to rotate, and then start the telescopic rod 4 to drive the drill rod 9 to move downward. At this time, the sampling rod 8 moves downward synchronously along the fixed sleeve A21 and the fixed sleeve B22. After drilling to a specific depth, the telescopic rod 4 is started to shorten and the drill rod 9 is removed.

[0031] At this time, start the rotating motor 71, adjust the sampling rod 8 to the sampling point, and then start the telescopic rod 4 to extend, driving the rock and soil sampling assembly to move downward. After moving to the bottom, press the telescopic support block 114, the telescopic spring 111 is compressed, and the position of the telescopic support block 114 is offset. At this time, the collecting box 124 extends into the rock and soil on the side of the borehole. Under the action of the telescopic rod 4, the sampling rod 8 is moved upward, and the collecting box 124 moves upward to sample, completing the rock and soil sampling of the corresponding depth. After the sampling is completed, under the compression force of the telescopic spring 111, the telescopic support block 114 is stretched back to its original position. At this time, the collecting box 124 returns to the borehole, and the telescopic rod 4 continues to move upward to take out the collection box 124, completing the collection sampling of the rock and soil.

[0032] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by persons of ordinary skill in the field to which the present invention belongs. The use of "one" or "an" and other similar words in the application documents of the present invention does not necessarily indicate a quantity limitation. "Include" or "comprising" and other similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and other similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0033] The exemplary implementation of the present invention is described in detail above with reference to the preferred embodiments. However, it can be understood by those skilled in the art that, without departing from the concept of the present invention, various variations and modifications can be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the present invention can be made without exceeding the scope of protection of the present invention.

Claims

1. A soil collection and sampling device for geotechnical engineering, comprising a support plate, characterized in that: The four corners of the lower part of the support plate are supported by fixed sleeves A and fixed sleeves B, and the four corners of the upper part of the support plate are supported by support rods. The top of the support rods is fixed by a support top plate, and telescopic rods are arranged on the support top plate. The free ends of the telescopic rods face downward and are connected to the same lifting plate. One side of the lifting plate is rotatably connected to a rotating rod through a rotating shaft. One end of the rotating rod is rotatably connected to a drill rod, and the other end of the rotating rod is connected to a telescopic mechanism. A sampling rod is connected to the telescopic mechanism, and a rock and soil collection assembly is provided on the sampling rod.

2. The rock and soil sampling device for geotechnical engineering according to claim 1, characterized in that: The fixed sleeves A are arranged in an array, and the adjacent fixed sleeves are connected by threaded connectors A and B, and the fixed sleeves A and B are connected. The fixed sleeve B is arranged at the bottom, and a spike portion is provided at the bottom of the fixed sleeve B.

3. The rock and soil sampling device for geotechnical engineering according to claim 1 or 2, characterized in that: At least two telescopic rods are provided, and at least one of them is electrically driven or hydraulically driven, and the fixed end of the telescopic rod is installed on the supporting top plate.

4. The rock and soil sampling device for geotechnical engineering according to claim 1, characterized in that: The rotating shaft is driven by a rotating motor.

5. The rock and soil sampling device for geotechnical engineering according to claim 1, characterized in that: The drill rod is arranged in a spiral shape, and the drill rod includes a drill rod connection part A and a drill rod connection part B arranged in an arranged manner. Adjacent drill rod connection parts A are connected by a spiral connection, and the drill rod connection parts A and the drill rod connection parts B are also connected by a spiral connection. The drill rod connection part B is at the bottom and a drill bit is arranged at the bottom; a driven transmission gear is fixed on the upper part of the drill rod, a transmission motor is fixed on the rotating rod, and an active transmission gear is fixed at the output end of the transmission motor, and the transmission is transmitted through the meshing of the active transmission gear and the driven transmission gear.

6. The rock and soil sampling device for geotechnical engineering according to claim 1, characterized in that: The telescopic mechanism includes a telescopic support block, a connecting rod is connected to the side of the telescopic support block, a telescopic slot is opened at the end of the rotating rod, the connecting rod extends into the telescopic slot, and a limit block is fixed at the end of the connecting rod, and a telescopic spring is arranged between the limit block and the bottom of the telescopic slot.

7. The rock and soil sampling device for geotechnical engineering according to claim 6, characterized in that: The rock and soil collection assembly includes a collection box arranged and fixed on a sampling rod, a vertical groove is provided on the sampling rod connected to one side of the collection box, and a cover body is hinged at the vertical groove on the upper part of the collection box. The two adjacent cover bodies are connected by a traction line, and an L-shaped groove is provided on the telescopic support block. The traction line on the uppermost cover body passes through the L-shaped groove and extends out from the side of the telescopic support block. The end of the traction line is limited by a handle.

8. The rock and soil sampling device for geotechnical engineering according to claim 7, characterized in that: The collecting box is configured as an inclined pointed structure on a side away from the sampling rod.

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