Geological sampling device for coal field geological exploration

Abstract

The utility model discloses a geological sampling device for coal field geological exploration, which comprises a motor, and an output shaft of the motor is fixedly connected with a rotating rod; according to the utility model, the dovetail groove and the dovetail block are matched to primarily limit the sampling barrel main body, the dovetail block is limited through the limiting plate, so that the sampling barrel main body is prevented from moving, meanwhile, the moving direction of the spring is changed into the vertical direction, and centrifugal force generated by the rotating rod during rotation does not influence the spring; two first limiting semi-rings are arranged at the lower end of a motor, the two first limiting semi-rings clamp the lower end of the motor under the action of a magnetic plate, meanwhile, second limiting semi-rings on the two sides clamp a guide rod, and when the motor moves downwards, the guide rod is clamped by the second limiting semi-rings; the second limiting semi-ring slides on the guide rod, so that the sampling barrel main body is kept vertically downward, and the sampling barrel is prevented from inclining due to improper use of an operator during use.

Description

Technical Field

[0001] The utility model relates to the technical field of geological sampling devices, in particular to a geological sampling device for coalfield geological exploration. Background Art

[0002] In geological exploration, sampling devices are tools used to obtain samples of underground rock, soil, or other geological materials for laboratory analysis, thereby inferring information about the geological structure, coal reserves, and coal quality. Geological sampling devices come in many types, and their specific designs vary depending on factors such as the exploration objectives, formation conditions, coal seam thickness, and lithology. These devices typically include components such as a drill bit, drill pipe, core barrel, and extraction mechanism.

[0003] The prior art provides a geological sampling device for coalfield geological exploration (Announcement No.: CN219391400U), which includes a first sampling tube and a second sampling tube, the top of the first sampling tube is fixedly connected to a connecting block, the middle of the connecting block is equipped with a transmission rod, one end of the transmission rod is fixedly connected to a portable drilling machine, the side wall of the connecting block is provided with a snap assembly, and the side wall of the second sampling tube is provided with a plurality of convenient assembly and disassembly components; in the technical solution provided by the utility model, the design of a convenient assembly and disassembly component is adopted, and the reaction force of the second spring causes the second clamping block to rebound and reset to fit into the fixed clamping slot on the side wall of the slot to form a clamping engagement, thereby achieving convenient installation, and the second clamping block is loosened by the contraction of the electric push rod to loosen the clamping engagement with the fixed clamping slot, and the connecting plug can be pulled out of the slot for convenient disassembly, thereby effectively simplifying the difficulty of installation and disassembly of the sampling tube, without the need for bolt fixing, and the operation is simple, convenient, time-saving and labor-saving.

[0004] However, the device still has the following defects:

[0005] When the device is in use, the transmission rod drives the connecting block to rotate. Under the action of centrifugal force, the first spring may shrink, which has a poor fixing effect on the sampling tube. During sampling, the connecting block may be separated from the transmission rod, affecting the sampling work. Therefore, we need to propose a geological sampling device for coalfield geological exploration. Utility Model Content

[0006] The purpose of the utility model is to provide a geological sampling device for coalfield geological exploration, which changes the horizontal limit of the spring to a vertical fixation to solve the problems raised in the above background technology.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A geological sampling device for coalfield geological exploration comprises a motor, wherein the output shaft of the motor is fixedly connected to a rotating rod;

[0009] It also includes a sampling cylinder body arranged at the lower end of the rotating rod, and the lower end of the rotating rod is provided with an installation component for installing the sampling cylinder;

[0010] The mounting assembly includes a mounting block fixedly mounted on the lower end of the rotating rod, the mounting block is provided with two symmetrically distributed dovetail grooves, the inside of the two dovetail grooves are slidably connected with dovetail blocks, the upper ends of the two dovetail blocks are slidably connected to the limit plate, the upper end of the mounting block and the upper end of the dovetail groove are provided with two symmetrically distributed slide grooves, the inside of the two slide grooves are fixedly connected with a fixing rod, and the inside of the two slide grooves are fixedly connected with a spring;

[0011] The lower end of the motor is provided with a guide component which plays a guiding role when the device moves.

[0012] Preferably, the sampling tube body is of split design, and the upper ends of the two split parts of the sampling tube body are fixedly connected with dovetail blocks.

[0013] Preferably, the lower end of the mounting block is slidably connected to the sampling tube body, the lower end of the dovetail block is fixedly connected to the sampling tube body, the inner wall of the slide groove is slidably connected to the limit plate, and the outer wall of the fixing rod is slidably connected to the limit plate.

[0014] Preferably, two vertical plates are provided at the lower ends of the two limiting plates, and the two vertical plates are slidably connected to the mounting block and the dovetail block respectively.

[0015] Preferably, the limiting plate is fixedly connected to the lower end of the spring, and the spring is arranged outside the fixing rod.

[0016] Preferably, the guide assembly includes two first limiting semi-rings symmetrically distributed at the lower end of the motor, and four symmetrically distributed groups of magnetic plates are fixedly connected to both sides of the two first limiting semi-rings, and the ends of the four groups of magnetic plates away from the first limiting semi-rings are fixedly connected to the second limiting semi-ring, and the internal sliding connection of the two relatively arranged groups of the second limiting semi-rings is connected to a guide rod, and the lower ends of the guide rods are fixedly connected to the base.

[0017] Preferably, the four groups of magnetic plates are magnetically connected to each other, and the two first limiting half rings and the two second limiting half rings form a circular ring, and slide respectively with the lower end of the motor and the outer side of the guide rod.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. The utility model uses a dovetail groove and a dovetail block to initially limit the sampling tube body, and then limits the dovetail block through a limiting plate to prevent the sampling tube body from moving. At the same time, the moving direction of the spring is changed to a vertical direction. The centrifugal force generated by the rotating rod during rotation will not affect the spring, making the installation of the mounting block on the sampling tube body more stable.

[0020] 2. The utility model provides two first limiting half rings at the lower end of the motor. The two first limiting half rings clamp the lower end of the motor under the action of the magnetic plate. At the same time, the second limiting half rings on both sides clamp the guide rod. When the motor moves downward, the second limiting half rings slide on the guide rod to keep the sampling tube body vertically downward, preventing the sampling tube from tilting due to improper use by the operator during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0024] Figure 4 Practical Figure 3 Magnified view of area A in .

[0025] In the figure: 1. Motor; 2. Rotating rod; 3. Mounting assembly; 31. Mounting block; 32. Dovetail groove; 33. Dovetail block; 34. Limit plate; 35. Slide; 36. Fixing rod; 37. Spring; 4. Sampling tube body; 5. First limiting half ring; 6. Magnetic plate; 7. Second limiting half ring; 8. Guide rod; 9. Base. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-4 , the utility model provides a technical solution:

[0028] A geological sampling device for coalfield geological exploration comprises a motor 1, an output shaft of the motor 1 being fixedly connected to a rotating rod 2;

[0029] It also includes a sampling tube body 4 arranged at the lower end of the rotating rod 2, and a mounting assembly 3 for mounting the sampling tube is provided at the lower end of the rotating rod 2;

[0030] The mounting assembly 3 includes a mounting block 31 fixedly mounted on the lower end of the rotating rod 2. Two symmetrically distributed dovetail grooves 32 are formed inside the mounting block 31. Dovetail blocks 33 are slidably connected to the interiors of the two dovetail grooves 32. The upper ends of the two dovetail blocks 33 are slidably connected to limit plates 34. Two symmetrically distributed sliding grooves 35 are formed on the upper end of the mounting block 31 and located above the upper ends of the dovetail grooves 32. Fixed rods 36 are fixedly connected to the interiors of the two sliding grooves 35. Springs 37 are fixedly connected to the interiors of the two sliding grooves 35.

[0031] The lower end of the motor 1 is provided with a guide assembly which plays a guiding role when the device moves.

[0032] The sampling tube body 4 is of split design, and the upper ends of the two split parts of the sampling tube body 4 are fixedly connected with dovetail blocks 33.

[0033] Exemplarily, the two parts of the sampling tube body 4 are connected via a snap-fit ​​assembly, and the dovetail block 33 further limits the two parts of the sampling tube body 4 .

[0034] The lower end of the mounting block 31 is slidably connected to the sampling tube body 4 , the lower end of the dovetail block 33 is fixedly connected to the sampling tube body 4 , the inner wall of the slide groove 35 is slidably connected to the limit plate 34 , and the outer wall of the fixing rod 36 is slidably connected to the limit plate 34 .

[0035] Two vertical plates are provided at the lower ends of the two limiting plates 34 , and the two vertical plates are slidably connected to the mounting block 31 and the dovetail block 33 respectively.

[0036] Preferably, the vertical plate at the lower end of the limiting plate 34 limits the dovetail block 33 to prevent the dovetail block 33 from moving.

[0037] The limiting plate 34 is fixedly connected to the lower end of the spring 37 , and the spring 37 is arranged outside the fixing rod 36 .

[0038] The guide assembly includes two first limiting semi-rings 5 ​​symmetrically distributed at the lower end of the motor 1, and four symmetrically distributed groups of magnetic plates 6 are fixedly connected to both sides of the two first limiting semi-rings 5. The ends of the four groups of magnetic plates 6 away from the first limiting semi-ring 5 are fixedly connected to the second limiting semi-ring 7, and the internal sliding connection of the two relatively arranged groups of second limiting semi-rings 7 is connected to the guide rod 8, and the lower ends of the guide rods 8 are fixedly connected to the base 9.

[0039] It is worth mentioning that the two first limiting half rings 5 ​​clamp the lower end of the motor 1 under the action of the magnetic plate 6, and at the same time the second limiting half rings 7 on both sides clamp the guide rod 8. When the motor 1 moves downward, the second limiting half rings 7 slide on the guide rod 8 to keep the sampling tube body 4 vertically downward.

[0040] The four groups of magnetic plates 6 are magnetically connected to each other, and the two first limiting half rings 5 ​​and the two second limiting half rings 7 form a circular ring, which slides with the lower end of the motor 1 and the outer side of the guide rod 8 respectively.

[0041] In some other embodiments, the magnetic plates 6 are magnetically connected in pairs to splice the two first limiting half rings 5 ​​and the two second limiting half rings 7 .

[0042] Working principle: When the present invention is used, the dovetail block 33 is inserted into the dovetail groove 32 to install the sampling tube body 4. The sampling tube body 4 is clamped together. The limit plate 34 moves downward under the action of the spring 37 and is clamped inside the dovetail block 33 to fix the dovetail block 33. When it needs to be removed, the limit plate 34 is moved upward to release the limit of the buckle assembly between the sampling tube body 4. The dovetail block 33 can be removed. The motor 1 drives the mounting block 31 and the sampling tube body 4 to rotate through the rotating rod 2 to sample the soil.

[0043] The two first limiting half rings 5 ​​clamp the lower end of the motor 1 under the action of the magnetic plate 6, and at the same time the second limiting half rings 7 on both sides clamp the guide rod 8. When the motor 1 moves downward, the second limiting half rings 7 slide on the guide rod 8 to keep the sampling tube body 4 vertically downward.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A geological sampling device for coalfield geological exploration, comprising a motor (1), characterized in that: A rotating rod (2) is fixedly connected to the output shaft of the motor (1); It also includes a sampling tube body (4) arranged at the lower end of the rotating rod (2), and a mounting assembly (3) for mounting the sampling tube is arranged at the lower end of the rotating rod (2); The mounting assembly (3) comprises a mounting block (31) fixedly mounted on the lower end of the rotating rod (2), the mounting block (31) is provided with two symmetrically distributed dovetail grooves (32), the two dovetail grooves (32) are slidably connected with dovetail blocks (33), the upper ends of the two dovetail blocks (33) are slidably connected with a limiting plate (34), the upper end of the mounting block (31) and located at the upper end of the dovetail groove (32) are provided with two symmetrically distributed slide grooves (35), the two slide grooves (35) are fixedly connected with a fixing rod (36), and the two slide grooves (35) are fixedly connected with a spring (37); The lower end of the motor (1) is provided with a guide component which plays a guiding role when the device moves.

2. A geological sampling device for coalfield geological exploration according to claim 1, characterized in that: The sampling tube body (4) is of split design, and the upper ends of the two split parts of the sampling tube body (4) are both fixedly connected with dovetail blocks (33).

3. A geological sampling device for coalfield geological exploration according to claim 1, characterized in that: The lower end of the mounting block (31) is slidably connected to the sampling tube body (4), the lower end of the dovetail block (33) is fixedly connected to the sampling tube body (4), the inner wall of the slide groove (35) is slidably connected to the limit plate (34), and the outer wall of the fixing rod (36) is slidably connected to the limit plate (34).

4. A geological sampling device for coalfield geological exploration according to claim 3, characterized in that: Two vertical plates are arranged at the lower ends of the two limit plates (34), and the two vertical plates are respectively slidably connected to the mounting block (31) and the dovetail block (33).

5. A geological sampling device for coalfield geological exploration according to claim 4, characterized in that: The limiting plate (34) is fixedly connected to the lower end of the spring (37), and the spring (37) is arranged outside the fixing rod (36).

6. A geological sampling device for coalfield geological exploration according to claim 1, characterized in that: The guide assembly comprises two first limiting semi-rings (5) symmetrically distributed at the lower end of the motor (1), four groups of symmetrically distributed magnetic plates (6) are fixedly connected to both sides of the two first limiting semi-rings (5), one end of the four groups of magnetic plates (6) away from the first limiting semi-rings (5) is fixedly connected to a second limiting semi-ring (7), and the interiors of the two groups of second limiting semi-rings (7) arranged opposite to each other are slidably connected to guide rods (8), and the lower ends of the guide rods (8) are fixedly connected to bases (9).

7. A geological sampling device for coalfield geological exploration according to claim 6, characterized in that: The four groups of magnetic plates (6) are magnetically connected to each other, and the two first limiting half rings (5) and the two second limiting half rings (7) form a circular ring, which slides with the lower end of the motor (1) and the outer side of the guide rod (8) respectively.

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