Drill rod elevator for geological drilling core drill

Abstract

The utility model belongs to the technical field of drill rod lifting, and particularly relates to a drill rod lifting device for a geological drilling core drill, which comprises a lifting device bottom plate, a lifting lifting component is mounted at the top of the lifting device bottom plate, and a drill rod clamping component is arranged on the side of the lifting lifting component. A cleaning assembly is arranged at the bottom of the drill rod clamping assembly, the lifting and guiding assembly comprises a servo motor, the end of an output shaft of the servo motor is fixedly connected with a motor load shaft, the bottom end of the motor load shaft is fixedly connected with a ball screw, and the bottom end of the ball screw is fixedly connected with a supporting rotating shaft; the outer part of the ball screw is in threaded connection with a ball nut; the drilling rod is lifted upwards in the mode that the ball screw and the ball nut are matched with each other, the lifting stability can be improved conveniently, and the cleaning assembly is arranged, so that slurry on the drilling rod can be washed and cleaned conveniently while lifting is conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of drill rod lifting, in particular to a drill rod lifter used for a geological drilling core drill. Background Art

[0002] Geological drilling refers to a geological project that uses 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.

[0003] In Chinese Patent No. 202121912679.3, the utility model discloses a drill rod lifter for geological drilling core drilling rigs, comprising a base plate, a boom fixedly connected to the right end of the top of the base plate, a pulley movably connected to the right end of the top of the boom via a movable pin, a fixed seat fixedly connected to the left end of the top of the base plate, a second motor fixedly mounted on the front surface of the fixed seat, a reeling rod fixedly mounted on the output end of the second motor, and a back surface of the reeling rod movably connected to the inner surface of the fixed seat via a bearing. The utility model achieves the purpose of quickly fixing and lifting the drill rod through the interaction between the arc-shaped locking plate, the first motor, the threaded sleeve, the threaded rod, the trapezoidal guide block, the slider, the slide rod, the second motor, the reeling rod, the fixed seat, the steel rope, the boom, the pulley, and the lifting box. The operation is convenient and quick, greatly saving the time required for work and improving work efficiency.

[0004] The existing drill rod lifter for geological drilling core drilling rigs uses a pulley and a steel rope to lift the drill rod. However, the steel rope is not stable enough. When subjected to force, its bottom end position will shift, resulting in the top end of the drill rod shaking when the drill rod is lifted. In addition, the existing lifter lacks a cleaning mechanism. When the drill rod is lifted up from the soil, mud and other impurities will adhere to the surface of the drill rod.

[0005] Therefore, in order to solve the above problems, a drill rod lifter for a geological drilling core drill rig is proposed. Utility Model Content

[0006] In order to make up for the shortcomings of the existing technology, the problem of using steel rope to lift the drill rod is not stable enough, the top of the drill rod may shake, and there is a lack of cleaning mechanism. When the drill rod is lifted up from the soil, mud and other impurities will adhere to the surface of the drill rod.

[0007] The technical solution adopted by the present invention to solve its technical problems is: the drill rod lifter for geological drilling core drilling rigs described in the present invention comprises a lifter base plate, a lifting and lifting assembly is installed on the top of the lifter base plate, and a drill rod clamping assembly is provided on the side of the lifting and lifting assembly, and a cleaning assembly is provided at the bottom of the drill rod clamping assembly, the lifting and lifting assembly comprises a servo motor, the output shaft end of the servo motor is fixedly connected to the motor load shaft, and the bottom end of the motor load shaft is fixedly connected to a ball screw, and the bottom end of the ball screw is fixedly connected to a supporting shaft, the external thread of the ball screw is connected to a ball nut, and one side of the ball nut is welded to a first connecting block, and the other side of the ball nut is fixedly connected to a second connecting block, the end of the second connecting block is welded to a guide cylinder, and the inside of the guide cylinder is slidably connected to a guide column.

[0008] Preferably, the first connecting block forms a lifting structure through a ball nut and a ball screw, and the ball screw forms a rotating structure through a supporting shaft and a bottom plate of the lifter.

[0009] Preferably, the second connecting block forms a sliding structure through a guide cylinder and a guide column, and the guide column and the ball screw are arranged in parallel.

[0010] Preferably, the drill rod clamping assembly includes an annular fixing block, the side of the annular fixing block is threadedly connected to a fastening bolt, and the end of the fastening bolt is fixedly connected to a rotating disc, the outer portion of the rotating disc is rotatably connected to an arc-shaped clamping piece, and the inner wall of the arc-shaped clamping piece is fixedly connected to an anti-slip pad.

[0011] Preferably, the fastening bolt forms a rotating structure through a rotating disc and an arc-shaped clamping piece, and two arc-shaped clamping pieces are symmetrically arranged about the vertical center axis of the annular fixing block.

[0012] Preferably, the cleaning assembly includes a water tank, the side of the water tank is connected to a water pump, and the end of the water pump is connected to a water pipe, the other end of the water pipe is connected to an annular water distribution pipe, and a high-pressure nozzle is installed at the bottom of the annular water distribution pipe, the outside of the annular water distribution pipe is fixedly connected to a support ring, and the side of the support ring is fixedly connected to a support block.

[0013] Preferably, the high-pressure nozzle is arranged at an equal angle with respect to the bottom of the annular water distribution pipe, and the vertical center axis of the annular water distribution pipe and the vertical center axis of the annular fixing block are arranged to coincide with each other.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model is provided with a lifting and drawing assembly, which uses a ball screw and a ball nut to cooperate with each other to complete the upward lifting of the drill rod, so as to ensure the stability of the drill rod during the lifting process and prevent it from shaking easily. In addition, a guide cylinder and a guide column are provided to limit the ball nut so that it can only move up and down and cannot rotate randomly, thereby further ensuring the stability of the drill rod when it is lifted upward;

[0016] 2. The utility model is provided with a drill rod clamping assembly, which utilizes two arc-shaped clamping pieces to cooperate with each other to facilitate clamping and fixing the drill rod from both sides. It has a simple structure and is easy to operate. In addition, an anti-slip pad is provided on the inner wall of the arc-shaped clamping piece to increase the friction between the arc-shaped clamping piece and the outer wall of the drill rod, thereby improving the fixing effect.

[0017] 3. The utility model is provided with a cleaning component, and the high-pressure nozzles arranged in a ring array surround the drill rod, so that the surface of the drill rod can be flushed with high-pressure water from all angles, thereby washing away the mud adhering to the surface, so as to improve the cleanliness of the drill rod after it is taken out. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model from the side;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the lifting and drawing component of the utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the drill rod clamping assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the exploded structure of the rotating disc portion of the utility model;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the cleaning component part of the utility model.

[0024] In the figure: 1. Lifter base plate; 2. Lifting and lowering assembly; 3. Drill rod clamping assembly; 4. Cleaning assembly; 201. Servo motor; 202. Motor load shaft; 203. Ball screw; 204. Support shaft; 205. Ball nut; 206. First connecting block; 207. Second connecting block; 208. Guide cylinder; 209. Guide column; 301. Annular fixing block; 302. Fastening bolt; 303. Rotating disc; 304. Arc-shaped clamping piece; 305. Anti-slip pad; 401. Water tank; 402. Water pump; 403. Water pipe; 404. Annular water distribution pipe; 405. High-pressure nozzle; 406. Support ring; 407. Support block. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying 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.

[0026] Example 1

[0027] like Figure 1 As shown, a drill rod lifter for a geological drilling core drill rig includes a lifter base plate 1, a lifting and lifting assembly 2 is installed on the top of the lifter base plate 1, and the drill rod is lifted upward by cooperating with a ball screw 203 and a ball nut 205, so as to improve the stability during lifting, and a drill rod clamping assembly 3 is provided on the side of the lifting and lifting assembly 2, and a cleaning assembly 4 is provided at the bottom of the drill rod clamping assembly 3, so as to facilitate flushing and cleaning of mud on the drill rod while lifting.

[0028] like Figure 2As shown, a drill rod lifter for a geological drilling core drilling rig, the lifting and lifting assembly 2 is used to lift the drill rod upward out of the ground, the lifting and lifting assembly 2 includes a servo motor 201, the output shaft end of the servo motor 201 is fixedly connected to the motor load shaft 202, and the bottom end of the motor load shaft 202 is fixedly connected to the ball screw 203, and the bottom end of the ball screw 203 is fixedly connected to the support shaft 204, the external thread of the ball screw 203 is connected to the ball nut 205, and one side of the ball nut 205 is welded to the first connecting block 206, and the other side of the ball nut 205 is fixedly connected to the second connecting block 207, the end of the second connecting block 207 is welded to the guide cylinder 208, and the inside of the guide cylinder 208 is slidably connected to the guide column 2 09. The first connecting block 206 forms a lifting structure with the ball nut 205 and the ball screw 203, and the ball screw 203 forms a rotating structure with the lifter base plate 1 through the support shaft 204. The second connecting block 207 forms a sliding structure with the guide cylinder 208 and the guide column 209, and the guide column 209 and the ball screw 203 are arranged in parallel. The ball screw 203 and the ball nut 205 cooperate with each other to complete the upward lifting of the drill rod, so as to ensure the stability of the drill rod during the lifting process and prevent it from shaking easily. The guide cylinder 208 and the guide column 209 are provided to limit the ball nut 205 so that it can only move up and down and will not rotate at will, thereby further ensuring the stability of the drill rod when it is lifted upward.

[0029] like Figure 3 and Figure 4 As shown, a drill rod lifter for geological drilling core drilling rig, the drill rod clamping assembly 3 is used to clamp and fix the drill rod when lifting, the drill rod clamping assembly 3 includes an annular fixing block 301, the side of the annular fixing block 301 is threadedly connected with a fastening bolt 302, and the end of the fastening bolt 302 is fixedly connected to a rotating disc 303, the outer portion of the rotating disc 303 is rotatably connected to an arc-shaped clamping piece 304, and the inner wall of the arc-shaped clamping piece 304 is fixedly connected to an anti-slip pad 305, the fastening bolt 301 is threadedly connected to the side of the annular fixing block 301, and the end of the fastening bolt 302 is fixedly connected to a rotating disc 303. 02 A rotating structure is formed by rotating the circular piece 303 and the arc-shaped clamping piece 304, and two arc-shaped clamping pieces 304 are symmetrically arranged about the vertical center axis of the annular fixing block 301. The two arc-shaped clamping pieces 304 cooperate with each other to facilitate clamping and fixing the drill rod from both sides. The structure is simple and the operation is convenient. An anti-slip pad 305 is provided on the inner wall of the arc-shaped clamping piece 304 to increase the friction between the arc-shaped clamping piece 304 and the outer wall of the drill rod, thereby improving the fixing effect.

[0030] like Figure 5As shown, a drill rod lifter for a geological drilling core drilling rig, a cleaning assembly 4 is used to flush and clean the drill rod lifted out of the ground, and the cleaning assembly 4 includes a water tank 401, a side of the water tank 401 is connected to a water pump 402, and the end of the water pump 402 is connected to a water pipe 403, the other end of the water pipe 403 is connected to an annular water distribution pipe 404, and a high-pressure nozzle 405 is installed at the bottom of the annular water distribution pipe 404, and a support ring 406 is fixedly connected to the outside of the annular water distribution pipe 404. The side of the support ring 406 is fixedly connected to a support block 407, and the high-pressure nozzle 405 is set at an equal angle with respect to the bottom of the annular water distribution pipe 404, and the vertical center axis of the annular water distribution pipe 404 is coincident with the vertical center axis of the annular fixed block 301. The high-pressure nozzles 405 arranged in a ring array are arranged around the drill pipe, so that the surface of the drill pipe can be flushed with high-pressure water from all angles, thereby washing away the mud adhered to its surface, thereby improving the cleanliness of the drill pipe after it is taken out.

[0031] Working principle: First, move the device to the vicinity of the drill hole, align the support ring 406 and the drill rod clamping assembly 3 with the top of the drill rod, and at the same time, pass the top of the drill rod through the annular water distribution pipe 404 and clamp it between the two arc-shaped clamping pieces 304, and then rotate the fastening bolt 302. Since the fastening bolt 302 and the annular fixing block 301 are threadedly connected, when the fastening bolt 302 is rotated, its end can be pushed inward against the arc-shaped clamping piece 304, so that it is tightly clamped on the outer wall of the drill rod, thereby clamping and fixing the drill rod;

[0032] After clamping and fixing, the servo motor 201 and the water pump 402 are started. The output end of the servo motor 201 is started to rotate with the ball screw 203 through the motor load shaft 202. When the ball screw 203 rotates, it will rise upward with the ball nut 205 under the action of the thread, and then lift the drill rod upward. At the same time, under the action of the water pump 402, the water inside the water tank 401 will pass through the water pipe 403 and the annular water distribution pipe 404, and finally be sprayed from the high-pressure nozzle 405 to the outer wall of the drill rod to wash and clean the outer wall of the drill rod.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A drill rod lifter for a geological drilling core drill rig, characterized by: The invention comprises a lifter base plate (1), a lifting assembly (2) is installed on the top of the lifter base plate (1), a drill rod clamping assembly (3) is arranged on the side of the lifting assembly (2), and a cleaning assembly (4) is arranged on the bottom of the drill rod clamping assembly (3); The lifting and drawing assembly (2) comprises a servo motor (201), the output shaft end of the servo motor (201) is fixedly connected to a motor load shaft (202), the bottom end of the motor load shaft (202) is fixedly connected to a ball screw (203), and the bottom end of the ball screw (203) is fixedly connected to a support shaft (204), the external thread of the ball screw (203) is connected to a ball nut (205), and one side of the ball nut (205) is welded to a first connecting block (206), and the other side of the ball nut (205) is fixedly connected to a second connecting block (207), the end of the second connecting block (207) is welded to a guide cylinder (208), and the inside of the guide cylinder (208) is slidably connected to a guide column (209).

2. The drill rod lifter for a geological drilling core drill according to claim 1, characterized in that: The first connecting block (206) forms a lifting structure through the ball nut (205) and the ball screw (203), and the ball screw (203) forms a rotating structure through the supporting shaft (204) and the lifter base plate (1).

3. The drill rod lifter for a geological drilling core drill according to claim 1, characterized in that: The second connecting block (207) forms a sliding structure through a guide cylinder (208) and a guide column (209), and the guide column (209) and the ball screw (203) are arranged in parallel.

4. The drill rod lifter for a geological drilling core drill according to claim 1, characterized in that: The drill rod clamping assembly (3) comprises an annular fixing block (301), a fastening bolt (302) is threadedly connected to the side of the annular fixing block (301), and the end of the fastening bolt (302) is fixedly connected to a rotating disc (303), the outer portion of the rotating disc (303) is rotatably connected to an arc-shaped clamping piece (304), and the inner wall of the arc-shaped clamping piece (304) is fixedly connected to an anti-slip pad (305).

5. The drill rod lifter for a geological drilling core drill according to claim 4, characterized in that: The fastening bolt (302) forms a rotating structure through the rotating disc (303) and the arc-shaped clamping piece (304), and two arc-shaped clamping pieces (304) are symmetrically arranged about the vertical center axis of the annular fixing block (301).

6. The drill rod lifter for a geological drilling core drill according to claim 1, characterized in that: The cleaning assembly (4) comprises a water tank (401), a side of the water tank (401) is connected to a water pump (402), and the end of the water pump (402) is connected to a water pipe (403), the other end of the water pipe (403) is connected to an annular water distribution pipe (404), and a high-pressure nozzle (405) is installed at the bottom of the annular water distribution pipe (404), the outside of the annular water distribution pipe (404) is fixedly connected to a support ring (406), and the side of the support ring (406) is fixedly connected to a support block (407).

7. The drill rod lifter for a geological drilling core drill according to claim 6, characterized in that: The high-pressure nozzle (405) is arranged at an equal angle with respect to the bottom of the annular water distribution pipe (404), and the vertical center axis of the annular water distribution pipe (404) and the vertical center axis of the annular fixing block (301) are arranged to coincide with each other.

Images