Portable underground mine sampling device

Abstract

The utility model discloses a portable underground mine sampling device which comprises three connecting grooves which are arranged on a device main body, three support frames are arranged below the device main body, the support frames are rotatably connected with the device main body, and a first threaded hole is formed in the center of the device main body; the screw rod is arranged in the first threaded hole, the screw rod is in threaded connection with the device main body, a sampling auger is arranged at the lower end of the screw rod, and the sampling auger is connected with the screw rod through a screw. The sampling auger is screwed into the ground by rotating the screw rod, then the sampling auger is taken out to realize sampling, the sampling device is assembled in a rotary connection mode, the sampling device is convenient to fold and carry, geological prospecting personnel can use the sampling device conveniently, and the sampling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of underground mine sampling, in particular to a portable underground mine sampling device. Background Technique

[0002] An underground mine is a production and operation unit that extracts mineral resources by underground mining methods. The production process of an underground mine is to excavate roadways from the surface to reach the ore body, divide the ore body into several stages, and each stage is further divided into many ore blocks, and each ore block and stage are mined in a certain order. Mine sampling is an important part of mine geological work. Its purpose is to obtain samples representing the characteristics of the entire ore body for ore quality evaluation and resource reserve estimation. Before taking these measures, it is an essential step to conduct mine geological sampling on the mine.

[0003] The Chinese patent publication number is CN215218130U, and the authorization announcement date is December 17, 2021. An ion-type rare earth mine sampling tool includes a grip rod, a drill bit, a ball clamping mechanism, and a connecting and disassembling mechanism. A drill bit is provided on the grip rod. A receiving rod is connected to the side of the drill bit close to the grip rod. A ball clamping mechanism is provided between the grip rod and the drill bit. The ball clamping mechanism includes a mounting block. A balancing block is connected to the mounting block. A plurality of evenly distributed active clamping balls are provided between the balancing block and the mounting block. A connecting and disassembling mechanism is provided outside the grip rod. The connecting and disassembling mechanism includes a force-receiving airbag. A connecting wall is connected between the mounting block and the grip rod. An insertion placement groove matching the receiving rod is drilled on the mounting block. Through the setting of corresponding mechanisms on the ion-type rare earth mine sampling tool of the utility model, the quick disassembly and assembly of the grip rod and the drill bit can be realized, thereby improving the sampling efficiency of the user; and when the grip rod and the drill bit are assembled, they can be firmly connected together to avoid the falling off of the drill bit.

[0004] Existing sampling devices have problems such as large volume, non-detachable, and relatively heavy. In the actual use process, it is inconvenient for geological exploration personnel to carry and use the sampling device, which increases the difficulty of using the sampling device, reduces the sampling efficiency, and cannot meet the use requirements. Content of the Utility Model

[0005] The purpose of the utility model is to provide a portable underground mine sampling device to solve the problems of large volume, non-detachable, and relatively heavy of the existing sampling device mentioned in the above background technique. In the actual use process, it is inconvenient for geological exploration personnel to carry and use the sampling device, which increases the difficulty of using the sampling device, reduces the sampling efficiency, and cannot meet the use requirements.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A portable underground mine sampling device includes a device main body, and further includes:

[0007] Connecting grooves are provided on the device body. There are three connecting grooves, and the three connecting grooves are equidistantly arranged on the device body. A support frame is provided below the device body. There are three support frames, and one end of the support frame extends into the interior of the connecting groove. The support frame is rotatably connected to the device body. A first threaded hole is provided at the center of the device body;

[0008] A screw rod is arranged inside the first threaded hole, and the screw rod is threadedly connected to the device body. A sampling auger is arranged at the lower end of the screw rod, and the sampling auger is connected to the screw rod by screws.

[0009] Preferably, a first connecting bolt is provided on one side of each of the three connecting grooves, and the first connecting bolt is rotatably connected through the device body and the support frame. Nut members are provided on the other side of the three connecting grooves, and the nut members are threadedly connected to the first connecting bolts.

[0010] Preferably, a first connecting hole is provided at one end of the screw rod, a connecting head is provided at the other end of the screw rod, and the connecting head is integrally formed with the screw rod. The connecting head is correspondingly arranged with the first connecting hole.

[0011] Preferably, a first assembly hole is provided on the screw rod, and the first assembly hole is communicated with the first connecting hole. A second threaded hole is provided on the side wall of the connecting head. A second connecting bolt is provided on one side of the first assembly hole. The second connecting bolt is correspondingly arranged with the second threaded hole, and the second connecting bolt is threadedly connected to the connecting head.

[0012] Preferably, a connecting sleeve is provided above the device body. A second connecting hole is provided at the lower end of the connecting sleeve, and the second connecting hole is correspondingly arranged with the connecting head. The connecting head is inserted into the connecting sleeve. Connecting rods are provided on both sides of the connecting sleeve. There are two connecting rods, and the connecting rods are fixedly connected to the connecting sleeve.

[0013] Preferably, a second assembly hole is provided at the upper end of the connecting sleeve, and the second assembly hole is communicated with the second connecting hole. A third threaded hole is provided at the upper end of the connecting head. A third connecting bolt is arranged inside the second assembly hole. The third connecting bolt is correspondingly arranged with the third threaded hole, and the third connecting bolt is threadedly connected to the connecting head.

[0014] Preferably, a fixing block is provided on one side of the lower end of each of the three support frames, and the fixing block is integrally welded to the support frame. An anchor bolt is provided at the lower end of the fixing block, and the anchor bolt is fixedly connected to the fixing block.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] 1. The utility model device is provided with a device main body, a screw rod, a sampling auger, a connecting sleeve and a connecting rod. The connecting sleeve is connected to the screw rod. By means of the connecting rod, the connecting sleeve is driven to rotate. The rotating connecting sleeve drives the screw rod to rotate. Rotating the screw rod clockwise drives the sampling auger to descend. The sampling auger contacts the mine ground and applies a drilling force. As the sampling auger descends, it is screwed into the mine ground. Then, rotating the screw rod counterclockwise drives the sampling auger to rise, and the sampling auger screwed into the mine ground is taken out, realizing mine sampling. The overall sampling device is assembled in a folding and detachable manner, which is convenient to carry the sampling device.

[0017] 2. The utility model device is provided with a support frame, a first connecting bolt, a nut member, a fixing block and an anchor. The support frame is rotatably connected to the device main body. The first connecting bolt and the nut member limit the connected support frame to change the inclination of the support frame. The fixing block and the anchor are inserted into the mine ground to improve the fixing firmness of the sampling device, and it is convenient to place the sampling device on mine grounds at different heights for use.

[0018] 3. The utility model device is provided with a first connecting hole, a connecting head and a second connecting bolt. The connecting head is inserted into the first connecting hole to join two screw rods together, increasing the length of the screw rod, enabling sampling of mine grounds at different depths. The second connecting bolt passes through the first assembly hole and is connected to the connecting head to limit the joined screw rods and improve the stability of the joined screw rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 is a side view of the present utility model;

[0021] Figure 3 is a connection structure diagram of two screw rods of the present utility model;

[0022] Figure 4 is a connection relationship diagram between the screw rod and the connecting sleeve of the present utility model;

[0023] Figure 5 is a structure diagram of the connecting sleeve of the present utility model.

[0024] In the figure: 1, device main body; 2, support frame; 3, connecting sleeve; 4, connecting rod; 5, first threaded hole; 6, screw rod; 7, sampling auger; 8, connecting groove; 9, fixing block; 10, anchor; 11, first connecting bolt; 12, nut member; 13, first connecting hole; 14, connecting head; 15, first assembly hole; 16, second threaded hole; 17, second connecting bolt; 18, second connecting hole; 19, third connecting bolt; 20, third threaded hole; 21, second assembly hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0026] Please refer to Figures 1-5 , an embodiment provided by the present utility model: a portable underground mine sampling device, including a device main body 1, and further including:

[0027] A connecting groove 8 is provided on the device main body 1. There are three connecting grooves 8, and the three connecting grooves 8 are equidistantly arranged on the device main body 1. A support frame 2 is provided below the device main body 1. There are three support frames 2, and one end of the support frame 2 extends into the interior of the connecting groove 8. The support frame 2 is rotatably connected to the device main body 1. A first connecting bolt 11 is provided on one side of each of the three connecting grooves 8, and the first connecting bolt 11 is rotatably connected through the device main body 1 and the support frame 2. A nut member 12 is provided on the other side of each of the three connecting grooves 8, and the nut member 12 is threadedly connected to the first connecting bolt 11. A fixing block 9 is provided on one side of the lower end of each of the three support frames 2, and the fixing block 9 is integrally welded to the support frame 2. An anchor 10 is provided at the lower end of the fixing block 9, and the anchor 10 is fixedly connected to the fixing block 9. A first threaded hole 5 is provided at the center of the device main body 1;

[0028] A screw rod 6 is arranged inside the first threaded hole 5, and the screw rod 6 is threadedly connected to the device main body 1. A sampling auger 7 is provided at the lower end of the screw rod 6, and the sampling auger 7 is connected to the screw rod 6 by screws.

[0029] During use: Loosen the first connecting bolt 11 and rotate the support frame 2 to unfold the support frame 2, change the inclination of the support frame 2, and horizontally place the device on the mine ground with the help of the support frame 2. Rotate the screw rod 6 clockwise to drive the sampling auger 7 to descend. When the sampling auger 7 contacts the mine ground, a drilling force is applied. As the sampling auger 7 descends, it is screwed into the mine ground. Then rotate the screw rod 6 counterclockwise to drive the sampling auger 7 to rise, and take out the sampling auger 7 screwed into the mine ground to achieve mine sampling. The overall sampling device is assembled in a folding and disassembling manner, which is convenient to carry the sampling device.

[0030] Please refer to Figure 1 , Figure 4 and Figure 5, a connecting sleeve 3 is provided above the device main body 1. A second connecting hole 18 is provided at the lower end of the connecting sleeve 3, and the second connecting hole 18 is correspondingly arranged with the connecting head 14. The connecting head 14 is inserted into the connecting sleeve 3. Connecting rods 4 are provided on both sides of the connecting sleeve 3. There are two connecting rods 4, and the connecting rods 4 are fixedly connected to the connecting sleeve 3. A second assembly hole 21 is provided at the upper end of the connecting sleeve 3, and the second assembly hole 21 is communicated with the second connecting hole 18. A third threaded hole 20 is provided at the upper end of the connecting head 14. A third connecting bolt 19 is arranged inside the second assembly hole 21. The third connecting bolt 19 is correspondingly arranged with the third threaded hole 20, and the third connecting bolt 19 is threadedly connected to the connecting head 14. Align the connecting head 14 and insert it into the second connecting hole 18 to connect with the connecting sleeve 3. The connecting rods 4 increase the force moment. Drive the connecting sleeve 3 to rotate by means of the connecting rods 4, and then drive the screw rod 6 to rotate. The third connecting bolt 19 is connected to the connecting head 14 to limit the connection between the connecting head 14 and the connecting sleeve 3 and prevent the connection of the connecting sleeve 3 from loosening and falling off.

[0031] Please refer to Figure 1 and Figure 3 , a first connecting hole 13 is provided at one end of the screw rod 6, and a connecting head 14 is provided at the other end of the screw rod 6. The connecting head 14 and the screw rod 6 are integrally formed. The connecting head 14 is correspondingly arranged with the first connecting hole 13. A first assembly hole 15 is provided on the screw rod 6, and the first assembly hole 15 is communicated with the first connecting hole 13. A second threaded hole 16 is provided on the side wall of the connecting head 14. A second connecting bolt 17 is arranged on one side of the first assembly hole 15. The second connecting bolt 17 is correspondingly arranged with the second threaded hole 16, and the second connecting bolt 17 is threadedly connected to the connecting head 14. Align the connecting head 14 and insert it into the first connecting hole 13 to join two screw rods 6 together to increase the length of the screw rod 6 and enable sampling of ore fields at different depths. The second connecting bolt 17 passes through the first assembly hole 15 and is connected to the connecting head 14 to limit the joined screw rods 6 and improve the stability of the joined screw rods 6.

[0032] Working principle: Loosen the first connecting bolt 11 and rotate the support frame 2 to unfold the support frame 2, change the inclination of the support frame 2, and horizontally place the device on the mine ground with the help of the support frame 2. Align the connecting head 14 with the second connecting hole 18 and insert it to connect with the connecting sleeve 3. The third connecting bolt 19 is connected to the connecting head 14 to limit the connection between the connecting head 14 and the connecting sleeve 3. Drive the connecting sleeve 3 to rotate with the help of the connecting rod 4. The rotating connecting sleeve 3 drives the screw 6 to rotate. Rotate the screw 6 clockwise to drive the sampling auger 7 to descend. The sampling auger 7 contacts the mine ground and applies a drilling force. As the sampling auger 7 descends, it is screwed into the mine ground. Then rotate the screw 6 counterclockwise to drive the sampling auger 7 to rise and take out the sampling auger 7 screwed into the mine ground to achieve mine sampling. The whole sampling device is assembled in a folding and disassembling manner, which is convenient to carry the sampling device; Align the connecting head 14 with the first connecting hole 13 and insert it to join two screws 6 together to increase the length of the screw 6, which can achieve mine sampling at different depths. The second connecting bolt 17 passes through the first assembly hole 15 and is connected to the connecting head 14 to limit the joined screws 6 and improve the stability of the joined screws 6.

[0033] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0034] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable underground mine sampling device, comprising a device body (1), characterized in that: Also includes: A connecting groove (8) is arranged on the device body (1), three connecting grooves (8) are arranged, and the three connecting grooves (8) are arranged equidistantly on the device body (1); a supporting frame (2) is arranged below the device body (1), three supporting frames (2) are arranged, and one end of the supporting frame (2) extends to the inside of the connecting groove (8); the supporting frame (2) is rotatably connected to the device body (1), and a first threaded hole (5) is arranged at the center of the device body (1); A screw rod (6) is arranged inside the first threaded hole (5), and the screw rod (6) is threadedly connected to the device body (1). A sampling auger (7) is arranged at the lower end of the screw rod (6), and the sampling auger (7) is connected to the screw rod (6) by screws.

2. A portable underground mine sampling device according to claim 1, characterized in that: A first connecting bolt (11) is provided on one side of each of the three connecting grooves (8), and the first connecting bolt (11) is rotatably connected to the device body (1) and the support frame (2); a nut member (12) is provided on the other side of each of the three connecting grooves (8), and the nut member (12) is threadedly connected to the first connecting bolt (11).

3. A portable underground mine sampling device according to claim 1, characterized in that: A first connecting hole (13) is provided at one end of the screw rod (6), and a connecting head (14) is provided at the other end of the screw rod (6). The connecting head (14) and the screw rod (6) are integrally formed, and the connecting head (14) and the first connecting hole (13) are correspondingly arranged.

4. A portable underground mine sampling device according to claim 3, characterized in that: The screw rod (6) is provided with a first assembly hole (15), and the first assembly hole (15) is connected to the first connection hole (13); a second threaded hole (16) is provided on the side wall of the connection head (14); a second connection bolt (17) is provided on one side of the first assembly hole (15); the second connection bolt (17) is correspondingly arranged to the second threaded hole (16), and the second connection bolt (17) is threadedly connected to the connection head (14).

5. A portable underground mine sampling device according to claim 1, characterized in that: A connecting sleeve (3) is arranged above the device body (1), a second connecting hole (18) is arranged at the lower end of the connecting sleeve (3), and the second connecting hole (18) is arranged corresponding to the connecting head (14), the connecting head (14) is plugged into the connecting sleeve (3), connecting rods (4) are arranged on both sides of the connecting sleeve (3), two connecting rods (4) are arranged, and the connecting rods (4) are fixedly connected to the connecting sleeve (3).

6. A portable underground mine sampling device according to claim 5, characterized in that: The upper end of the connecting sleeve (3) is provided with a second assembly hole (21), and the second assembly hole (21) is communicated with the second connecting hole (18). The upper end of the connecting head (14) is provided with a third threaded hole (20), and the interior of the second assembly hole (21) is provided with a third connecting bolt (19), the third connecting bolt (19) and the third threaded hole (20) are arranged correspondingly, and the third connecting bolt (19) is threadedly connected to the connecting head (14).

7. A portable underground mine sampling device according to claim 1, characterized in that: A fixing block (9) is provided on one side of the lower end of each of the three support frames (2), and the fixing block (9) and the support frame (2) are welded together as a whole; an anchor nail (10) is provided at the lower end of the fixing block (9), and the anchor nail (10) is fixedly connected to the fixing block (9).

Images