Deep soil sampling device for rock and soil geological investigation

Abstract

The utility model relates to the technical field of soil sampling, and discloses a rock-soil geological survey depth soil sampling device which is characterized in that a motor is mounted in the middle of the upper surface of a lifting plate, a driving end of the motor is connected with a drill rod, a drill bit is arranged at the lower end of the drill rod, and a fixing rod is arranged at the upper end of the drill bit in the drill rod; a limiting hole is formed in the outer side of the fixing rod, a fixing groove is formed in the inner side of the drill rod, and a limiting rod is arranged in the fixing groove; and a sampling cylinder is arranged at the position, above the drill bit, of the outer portion of the drill rod, a sampling groove is formed in the sampling cylinder, and a sealing plate is arranged on the upper surface of the sampling cylinder. And through work of a second electric telescopic rod in a fixing groove, a limiting rod can be embedded into a limiting hole, so that the purpose of installing the drill bit can be achieved, the drill bit can be conveniently detached and replaced, and the situation that work is affected due to damage when deep soil sampling is carried out in rock-soil geological exploration is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of soil sampling, in particular to a deep soil sampling device for rock and soil geological survey. Background Art

[0002] Geotechnical engineering investigation is a systematic, comprehensive and scientific investigation and research on geological conditions, topography, hydrogeology, soil engineering properties and rock mechanical properties, providing the necessary basis for engineering design. In order to obtain geological conditions during geotechnical investigation, it is necessary to use drilling equipment to penetrate into different depths of the rock and soil, and sample and analyze the soil in the rock and geology, so as to realize geotechnical investigation.

[0003] A Chinese patent discloses a geotechnical engineering survey drilling soil sampling device (authorization announcement number CN214066565U). This patented technology sets an adjustment mechanism and a power mechanism. The device does not need to be pushed down manually to take samples, saving manpower. In addition, because the triple structure provides downward pressure at the same time, it can break into harder rocks. Sampling can be carried out in various complex geological conditions, not just limited to sampling in the soil.

[0004] However, there are still some shortcomings in this patent. Although this patent can realize the work of drilling and sampling soil, it can be seen from the drawings of this patent that the drill bit and the drill rod of this patent are set as one piece. In this way, when the drill bit is damaged, it cannot be quickly disassembled and replaced, which affects the subsequent sampling work. Therefore, those skilled in the art provide a deep soil sampling device for rock and soil geological survey to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to provide a deep soil sampling device for rock and soil geological survey to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A deep soil sampling device for rock and soil geological survey comprises a bracket and a handle installed on the upper surface of the bracket, a cylinder is symmetrically arranged on the lower surface of the bracket, a mounting sleeve is installed on the outside of the telescopic end of the cylinder by screws, the lower end of the mounting sleeve is connected to a lifting plate, a motor is installed at the middle position of the upper surface of the lifting plate, a drill rod is connected to the driving end of the motor, a drill bit is arranged at the lower end of the drill rod, a fixing rod is arranged inside the drill rod at the upper end of the drill bit, a limiting hole is arranged on the outer side of the fixing rod, a fixing groove is arranged on the inner side of the drill rod, and a limiting rod is arranged inside the fixing groove; a sampling barrel is arranged above the drill bit on the outside of the drill rod, a sampling groove is arranged inside the sampling barrel, and a sealing plate is arranged on the upper surface of the sampling barrel.

[0008] As a further solution of the utility model: slide rails are symmetrically arranged on both sides of the lifting plate, and a slide groove that slides with the slide rails is opened on the inner side of the bracket.

[0009] As a further solution of the utility model: bolts are symmetrically arranged on the outside of the sampling tube, a mounting hole is opened on the outside of the drill rod, and the ends of the bolts are embedded in the mounting holes and are threadedly connected to the mounting holes.

[0010] As a further solution of the utility model: the interior of the sampling trough is symmetrically provided with fixing blocks, the upper surface of the fixing blocks is penetrated by connecting rods, and the upper ends of the connecting rods are connected to the lower surface of the sealing plate.

[0011] As a further solution of the utility model: a first electric telescopic rod is further provided inside the sampling trough, and the telescopic end of the first electric telescopic rod is connected to the lower end of the connecting rod.

[0012] As a further solution of the utility model: one end of the limit rod is connected to the limit plate inside the fixing groove, and the other end of the limit rod is embedded in the limit hole.

[0013] As a further solution of the utility model: a second electric telescopic rod is further arranged inside the fixing groove, a connecting sleeve is installed on one side of the limiting plate, and the telescopic end of the second electric telescopic rod is embedded in the connecting sleeve and connected by screws.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. A deep soil sampling device for rock and soil geological exploration, which embeds the upper end of a fixing rod into the interior of a drill rod and, through the operation of a second electric telescopic rod inside a fixing groove, causes a limiting rod to move outward inside the fixing groove and causes the limiting rod to be embedded into the interior of a limiting hole, thereby achieving the purpose of installing a drill bit. The device has a simple structure and is easy to operate, and can facilitate installation, disassembly and replacement of the drill bit, thereby avoiding damage to the drill bit that affects the work when taking soil in deep rock and soil geological exploration.

[0016] 2. A deep soil sampling device for rock and soil geological exploration, wherein a sampling tube can be installed on the outside of a drill rod by means of bolts, and through the operation of a first electric telescopic rod inside a fixed block, the connecting rod can be moved upward inside the fixed block, and the sealing plate can be separated from the sampling tube, so that the sampling tube can be opened to carry out soil sampling work for rock and soil geology, and as the drill rod goes deeper, rock and soil sampling work at different depths can be carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a structural schematic diagram of a deep soil sampling device for rock and soil geological survey;

[0018] Figure 2 It is a structural schematic diagram of a fixed rod in a deep soil sampling device for rock and soil geological survey;

[0019] Figure 3 It is a schematic diagram of the structure of a slide rail in a deep soil sampling device for rock and soil geological survey;

[0020] Figure 4 It is a structural schematic diagram of a sampling tube in a deep soil sampling device for rock and soil geological survey;

[0021] Figure 5 The present invention is a schematic diagram of the structure of a limit rod in a deep soil sampling device for rock and soil geological survey.

[0022] In the figure: 1. bracket; 11. handle; 2. cylinder; 3. lifting plate; 31. mounting sleeve; 32. slide rail; 33. slide groove; 4. motor; 41. drill rod; 411. mounting hole; 5. sampling tube; 51. sealing plate; 52. connecting rod; 521. first electric telescopic rod; 53. fixing block; 54. sampling groove; 6. drill bit; 61. fixing rod; 611. limiting hole; 7. limiting rod; 71. limiting plate; 72. fixing groove; 73. connecting sleeve; 74. second electric telescopic rod. DETAILED DESCRIPTION

[0023] See also Figures 1 to 5 In the embodiment of the utility model, a soil sampling device for deep geological survey of rock and soil includes a bracket 1 and a handle 11 installed on the upper surface of the bracket 1, a cylinder 2 is symmetrically arranged on the lower surface of the bracket 1, a mounting sleeve 31 is installed on the outside of the telescopic end of the cylinder 2 by screws, a lifting plate 3 is connected to the lower end of the mounting sleeve 31, a motor 4 is installed at the middle position of the upper surface of the lifting plate 3, a driving end of the motor 4 is connected to a drill rod 41, a drill bit 6 is arranged at the lower end of the drill rod 41, a fixing rod 61 is arranged on the upper end of the drill bit 6 inside the drill rod 41, and the fixing rod 61 is A limiting hole 611 is provided on the outside, a fixing groove 72 is provided on the inside of the drill rod 41, and a limiting rod 7 is provided inside the fixing groove 72; a sampling tube 5 is provided on the outside of the drill rod 41 above the drill bit 6, a sampling groove 54 is provided inside the sampling tube 5, and a sealing plate 51 is provided on the upper surface of the sampling tube 5. This arrangement utilizes the operation of the motor 4 to make the drill rod 41 rotate downward, and the drill bit 6 can be used to drill soil in rock and soil geology. At the same time, the sampling tube 5 can be used to allow the soil to enter the sampling groove 54 when the drill bit 6 is drilling, thereby achieving the purpose of sampling.

[0024] exist Figure 3Middle: Slide rails 32 are symmetrically arranged on both sides of the lifting plate 3, and a slide groove 33 that slides with the slide rail 32 is opened on the inner side of the bracket 1. This arrangement utilizes the slide rail 32 to slide inside the slide groove 33, thereby achieving the purpose of moving the lifting plate 3 up and down.

[0025] exist Figure 1 and Figure 2 Middle: Bolts are symmetrically arranged on the outside of the sampling tube 5, and a mounting hole 411 is opened on the outside of the drill rod 41. The ends of the bolts are embedded in the mounting hole 411 and are threadedly connected to the mounting hole 411. This arrangement utilizes the bolts to be threadedly connected to the mounting hole 411, which makes it easy to install and disassemble the sampling tube 5.

[0026] exist Figure 4 Middle: The interior of the sampling slot 54 is symmetrically provided with a fixing block 53, and a connecting rod 52 is penetrated through the upper surface of the fixing block 53. The upper end of the connecting rod 52 is connected to the lower surface of the sealing plate 51. The interior of the sampling slot 54 is also provided with a first electric telescopic rod 521, and the telescopic end of the first electric telescopic rod 521 is connected to the lower end of the connecting rod 52. This setting utilizes the operation of the first electric telescopic rod 521 to move the connecting rod 52, so that the sealing plate 51 can be opened to achieve the purpose of soil sampling at the drilling position.

[0027] exist Figure 5 In the figure: one end of the limit rod 7 is connected to the limit plate 71 inside the fixed groove 72, and the other end of the limit rod 7 is embedded in the limit hole 611. A second electric telescopic rod 74 is also provided inside the fixed groove 72. A connecting sleeve 73 is installed on one side of the limit plate 71. The telescopic end of the second electric telescopic rod 74 is embedded in the connecting sleeve 73 and connected by screws. This setting utilizes the work of the second electric telescopic rod 74, which will make the limit rod 7 move inside the fixed groove 72, and then make the limit rod 7 embedded in the limit hole 611, so that the purpose of quickly installing the drill bit 6 can be achieved, so as to facilitate its replacement and avoid it from being unable to be used when it is lost.

[0028] The working principle of the utility model is as follows: when the soil sampling device for geological exploration of rock and soil of the utility model is used, the device is first moved to the desired soil sampling position through the handle 11, and the cylinder 2 and the motor 4 are started to work, so that when the cylinder 2 works, the lifting plate 3 moves downward, and when it moves downward, the drill bit 6 at the lower end of the drill rod 41 will drill downward to achieve the purpose of drilling the ground. Although the downward movement of the lifting plate 3 can make the drill rod 41 drill into different depths in the rock and soil geology, after drilling into the soil sampling position, the first electric telescopic rod 521 inside the fixed block 53 is started to work, which will make the connecting rod 52 move upward inside the fixed block 53, and make the dense The sealing plate 51 is separated from the sampling tube 5, so that the sampling tube 5 can be opened to carry out soil sampling for rock and soil geology. After sampling, the sampling tube 5 can be moved out by the operation of the cylinder 2. When the drill bit 6 is damaged, the second electric telescopic rod 74 inside the fixed groove 72 is started, so that the limiting rod 7 moves inside the fixed groove 72, and the limiting rod 7 enters the fixed groove 72 and moves out from the inside of the limiting hole 611. In this way, the fixing rod 61 of the drill bit 6 can be taken out from the inside of the drill rod 41, so as to achieve the purpose of replacing the drill bit 6 and avoid damage to the drill bit 6 when taking soil at the depth of rock and soil geological exploration, thereby affecting the work.

[0029] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A deep soil sampling device for rock and soil geological survey, comprising a bracket (1) and a handle (11) mounted on the upper surface of the bracket (1), characterized in that: The lower surface of the bracket (1) is symmetrically provided with a cylinder (2); a mounting sleeve (31) is mounted on the outside of the telescopic end of the cylinder (2) by means of screws; the lower end of the mounting sleeve (31) is connected to a lifting plate (3); a motor (4) is mounted at the middle position of the upper surface of the lifting plate (3); a driving end of the motor (4) is connected to a drill rod (41); a drill bit (6) is mounted at the lower end of the drill rod (41); a fixing rod (61) is mounted at the upper end of the drill bit (6) inside the drill rod (41); a limiting hole (611) is arranged on the outer side of the fixing rod (61); a fixing groove (72) is arranged on the inner side of the drill rod (41); a limiting rod (7) is arranged inside the fixing groove (72); A sampling cylinder (5) is arranged outside the drill rod (41) above the drill bit (6), a sampling groove (54) is provided inside the sampling cylinder (5), and a sealing plate (51) is arranged on the upper surface of the sampling cylinder (5); One end of the limiting rod (7) is connected to the limiting plate (71) inside the fixing groove (72), and the other end of the limiting rod (7) is embedded in the limiting hole (611); A second electric telescopic rod (74) is also arranged inside the fixing groove (72), a connecting sleeve (73) is installed on one side of the limiting plate (71), and the telescopic end of the second electric telescopic rod (74) is embedded in the connecting sleeve (73) and connected by screws.

2. A deep soil sampling device for rock and soil geological survey according to claim 1, characterized in that: Slide rails (32) are symmetrically arranged on both sides of the lifting plate (3), and a slide groove (33) that slides with the slide rails (32) is provided on the inner side of the bracket (1).

3. The deep soil sampling device for rock and soil geological survey according to claim 1 is characterized in that: Bolts are symmetrically arranged on the outside of the sampling tube (5), a mounting hole (411) is opened on the outside of the drill rod (41), and the ends of the bolts are embedded in the mounting hole (411) and are threadedly connected to the mounting hole (411).

4. The deep soil sampling device for rock and soil geological survey according to claim 1 is characterized in that: A fixing block (53) is symmetrically arranged inside the sampling trough (54), a connecting rod (52) is penetrated through the upper surface of the fixing block (53), and the upper end of the connecting rod (52) is connected to the lower surface of the sealing plate (51).

5. The deep soil sampling device for rock and soil geological survey according to claim 4 is characterized in that: A first electric telescopic rod (521) is also provided inside the sampling trough (54), and the telescopic end of the first electric telescopic rod (521) is connected to the lower end of the connecting rod (52).

Images