Continuous coring device for geological survey

Abstract

The utility model discloses a continuous coring device for geological survey, which relates to the technical field of geological survey and comprises a drill bit and a sampling tube, the lower end of the drill bit is provided with a mounting groove, the sampling tube is inserted into the mounting groove, the middle of the mounting groove is provided with a first cavity, two ends of the sampling tube are rotatably connected with the inner wall of the cavity, and the sampling tube is inserted into the first cavity. Sliding grooves are formed in the two sides of the interior of the sampling pipe, a reciprocating lead screw is rotationally arranged in the sliding groove in one side, a sliding rod is fixedly arranged in the sliding groove in the other side, a push plate is arranged between the sliding rod and the reciprocating lead screw, sliding blocks are fixedly arranged at the two ends of the push plate, the sliding block on one side is in threaded sleeving connection with the reciprocating lead screw, and the sliding block on the other side is in threaded sleeving connection with the sliding rod. And the sliding block on the other side is movably connected with the sliding rod in a sleeving mode, and a second cavity is formed in one side of the first cavity. According to the utility model, samples in the sampler can be automatically pushed out, highly continuous sampling work can be carried out, and the working efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of geological exploration, in particular to a geological exploration continuous coring device. Background Art

[0002] Geological engineering geological drilling refers to the use of certain drilling machinery and technology to obtain rock and mineral cores below the surface in order to make reliable evaluations of geological and mineral resource parameters. In geological drilling, a corer is needed to sample the core.

[0003] Although the traditional geological survey coring device can be used to collect soil samples, it is necessary to manually knock the discharge plate when taking out the samples, which is time-consuming and labor-intensive, resulting in low continuity of equipment use and reduced work efficiency. Utility Model Content

[0004] In view of the above problems existing in the existing geological survey continuous coring device, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a geological survey continuous coring device, which solves the problems of geological survey continuous coring devices in the prior art.

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

[0007] A geological survey continuous coring device comprises a drill bit and a sampling tube, the lower end of the drill bit is provided with a mounting groove, the sampling tube is inserted into the mounting groove, the middle of the mounting groove is provided with a first cavity, both ends of the sampling tube are rotatably connected to the inner wall of the cavity, both sides of the sampling tube are provided with sliding grooves, a reciprocating screw rod is rotatably arranged inside the sliding groove on one side, and a sliding rod is fixedly arranged inside the sliding groove on the other side, a push plate is provided between the sliding rod and the reciprocating screw rod, both ends of the push plate are fixedly provided with sliders, the slider on one side is threadedly sleeved with the reciprocating screw rod, and the slider on the other side is movably sleeved with the sliding rod, a second cavity is provided on one side of the first cavity, a first transmission mechanism that drives the sampling tube to rotate is provided inside the second cavity, and a second transmission mechanism that drives the reciprocating screw rod to rotate is provided at the upper end of the mounting groove.

[0008] Preferably, the first transmission mechanism includes a first bevel gear and a second bevel gear, the first bevel gear is fixedly sleeved on the outer wall of the middle end of the sampling tube, a transmission rod is rotatably arranged inside the second cavity, one end of the transmission rod extends into the interior of the first cavity, the second bevel gear is fixedly sleeved on one end of the transmission rod located in the first cavity, the first bevel gear is meshingly connected with the second bevel gear, a motor is fixedly arranged inside the cavity, and the output end of the motor is fixedly connected to one end of the transmission rod.

[0009] Preferably, the second transmission mechanism includes a first spur gear and a second spur gear, the upper end of the reciprocating screw rod extends to the outside of the slide groove, the first spur gear is fixedly sleeved on the outer end of the reciprocating screw rod, a fixing ring is fixedly provided on the inner wall of the upper end of the mounting groove, the second spur gear is fixedly sleeved on the outer wall of the lower end of the fixing ring, and the first spur gear is meshingly connected with the second spur gear.

[0010] Preferably, a battery is installed inside the second cavity.

[0011] Preferably, an opening is formed on one side of the second cavity.

[0012] Preferably, the internal threaded sleeve of the opening is provided with a sealing cap.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] The utility model drives the second bevel gear to rotate through the motor, and the second bevel gear drives the first bevel gear to rotate, so that the sampling tube rotates, and then drives the first spur gear to revolve relative to the second spur gear, so that the first spur gear rotates, and then drives the reciprocating screw to rotate, so that the push plate can be driven to slide back and forth in the sampling tube, and the obtained sample can be automatically pushed out, so as to facilitate highly continuous sampling work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 This is a structural schematic diagram of a geological survey continuous coring device proposed by the utility model;

[0017] Figure 2 for Figure 1 Schematic diagram of the internal structure;

[0018] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A in the middle.

[0019] Description of reference numerals:

[0020] 1. Drill bit; 2. Sampling tube; 3. First bevel gear; 4. Transmission rod; 5. Second bevel gear; 6. Motor; 7. Reciprocating screw; 8. First spur gear; 9. Fixed ring; 10. Second spur gear; 11. Push plate; 12. Sliding block; 13. Sliding rod. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] The utility model embodiment discloses a geological survey continuous coring device.

[0023] Reference Figure 1-3 A geological survey continuous coring device comprises a drill bit 1 and a sampling tube 2. A mounting groove is provided at the lower end of the drill bit 1. The sampling tube 2 is inserted into the mounting groove. A first cavity is provided in the middle of the mounting groove. Both ends of the sampling tube 2 are rotatably connected to the inner wall of the cavity. Slide grooves are provided on both sides of the interior of the sampling tube 2. A reciprocating screw rod 7 is rotatably provided inside the slide groove on one side, and a slide rod 13 is fixedly provided inside the slide groove on the other side. A push plate 11 is provided between the slide rod 13 and the reciprocating screw rod 7. Slide blocks 12 are fixedly provided at both ends of the push plate 11. The slide block 12 on one side is threadedly sleeved with the reciprocating screw rod 7, and the slide block 12 on the other side is movably sleeved with the slide rod 13. A second cavity is provided on one side of the first cavity.

[0024] Reference Figure 1-3 A first transmission mechanism that drives the sampling tube 2 to rotate is arranged inside the second cavity. The first transmission mechanism includes a first bevel gear 3 and a second bevel gear 5. The first bevel gear 3 is fixedly sleeved on the outer wall of the middle end of the sampling tube 2. A transmission rod 4 is rotatably arranged inside the second cavity. One end of the transmission rod 4 extends into the interior of the first cavity. The second bevel gear 5 is fixedly sleeved on one end of the transmission rod 4 located in the first cavity. The first bevel gear 3 is meshed with the second bevel gear 5. A motor 6 is fixedly arranged inside the cavity. The output end of the motor 6 is fixedly connected to one end of the transmission rod 4. A battery is installed inside the second cavity to power the motor. An opening is provided on one side of the second cavity to facilitate maintenance of the motor and replacement of the battery. A sealing cover is provided on the internal threaded sleeve of the opening to prevent foreign matter from entering the second cavity as much as possible.

[0025] Reference Figure 1-3 A second transmission mechanism for driving the reciprocating screw rod 7 to rotate is provided at the upper end of the mounting groove, and the second transmission mechanism includes a first spur gear 8 and a second spur gear 10. The upper end of the reciprocating screw rod 7 extends to the outside of the slide groove, and the first spur gear 8 is fixedly sleeved on the outer end of the reciprocating screw rod 7. A fixing ring 9 is fixedly provided on the inner wall of the upper end of the mounting groove, and the second spur gear 10 is fixedly sleeved on the outer wall of the lower end of the fixing ring 9. The first spur gear 8 is meshedly connected with the second spur gear 10.

[0026] In the utility model, when in use, the motor 6 drives the second bevel gear 5 to rotate, and the second bevel gear 5 drives the first bevel gear 3 to rotate, so that the sampling tube 2 rotates, and then drives the first spur gear 8 to revolve relative to the second spur gear 10, so that the first spur gear 8 rotates, and then drives the reciprocating screw rod 7 to rotate, and can drive the push plate 11 to slide back and forth in the sampling tube 2, so that the obtained sample can be automatically pushed out, so as to facilitate highly continuous sampling work.

[0027] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A geological survey continuous coring device, comprising a drill bit (1) and a sampling tube (2), characterized in that: The lower end of the drill bit (1) is provided with a mounting groove, the sampling tube (2) is inserted into the mounting groove, a first cavity is provided in the middle of the mounting groove, both ends of the sampling tube (2) are rotatably connected to the inner wall of the cavity, both sides of the sampling tube (2) are provided with sliding grooves, a reciprocating screw (7) is rotatably arranged inside the sliding groove on one side, and a sliding rod (13) is fixedly arranged inside the sliding groove on the other side, a push plate (11) is provided between the sliding rod (13) and the reciprocating screw (7), both ends of the push plate (11) are fixedly provided with sliders (12), the slider (12) on one side is threadedly sleeved with the reciprocating screw (7), and the slider (12) on the other side is movably sleeved with the sliding rod (13), a second cavity is provided on one side of the first cavity, a first transmission mechanism for driving the sampling tube (2) to rotate is provided inside the second cavity, and a second transmission mechanism for driving the reciprocating screw (7) to rotate is provided at the upper end of the mounting groove.

2. The geological survey continuous coring device according to claim 1, characterized in that: The first transmission mechanism comprises a first bevel gear (3) and a second bevel gear (5); the first bevel gear (3) is fixedly sleeved on the outer wall of the middle end of the sampling tube (2); a transmission rod (4) is rotatably arranged inside the second cavity; one end of the transmission rod (4) extends into the interior of the first cavity; the second bevel gear (5) is fixedly sleeved on one end of the transmission rod (4) located in the first cavity; the first bevel gear (3) is meshingly connected with the second bevel gear (5); a motor (6) is fixedly arranged inside the cavity; the output end of the motor (6) is fixedly connected to one end of the transmission rod (4).

3. The geological survey continuous coring device according to claim 1, characterized in that: The second transmission mechanism comprises a first spur gear (8) and a second spur gear (10); the upper end of the reciprocating screw rod (7) extends to the outside of the slide groove; the first spur gear (8) is fixedly sleeved on the outer end of the reciprocating screw rod (7); a fixing ring (9) is fixedly provided on the inner wall of the upper end of the mounting groove; the second spur gear (10) is fixedly sleeved on the outer wall of the lower end of the fixing ring (9); the first spur gear (8) is meshingly connected with the second spur gear (10).

4. The geological survey continuous coring device according to claim 1, characterized in that: A storage battery is installed inside the second cavity.

5. The geological survey continuous coring device according to claim 1, characterized in that: One side of the second cavity is provided with an opening.

6. The geological survey continuous coring device according to claim 5, characterized in that: The inner thread sleeve of the opening is provided with a blocking cap.

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