Rotary drilling machine

Abstract

The utility model relates to the technical field of rotary drilling machines, in particular to a rotary drilling machine which comprises a drilling machine main body, a drill rod, a drill bit, a rotary motor, a connecting plate, a spiral lifting motor, a fixing plate, a circular water pipe and the like, the drill rod is installed on the left portion of the drilling machine main body, the drill bit is installed on the lower portion of the drill rod, and a groove is formed in the left portion of the drilling machine main body. A rotating motor is installed in a groove of the drilling machine body, a driving shaft of the rotating motor faces upwards and is provided with a connecting plate, a spiral lifting motor is installed on the upper portion of the connecting plate, a driving shaft of the spiral lifting motor is fixedly connected with a fixing plate, and the lower portion of the left side of the fixing plate is fixedly connected with a round water pipe. The drill bit cleaning device is provided with the water gun spray head, the rotating motor, the spiral lifting motor and other components, can clean the drill bit without dead angles, can move up and down through the spiral lifting motor during use, can clean up residues such as mud, soil and other impurities on the outer wall of the drill bit, is convenient and fast, and solves the problem that the efficiency is low when the drill bit is cleaned manually.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary drilling rigs, in particular to a rotary drilling machine. Background Art

[0002] A rotary drilling machine, also known as a rotary drilling rig or a pile driver, is a heavy mechanical equipment used for drilling operations in civil engineering and construction projects. It has the advantages of fast hole-forming speed, less pollution, and strong mobility, and is widely used in construction fields such as bridges, high-rise buildings, docks, and tunnels. The rotary drilling rig can use a short helix drill bit for dry excavation operations, or a rotary drill bit in combination with mud slurry support for wet excavation operations.

[0003] After the hole-forming operation is completed, a large amount of mud, soil, and other impurities and residues will adhere to the drill bit and drill pipe of the rotary drilling rig. If not cleaned, it will cause the drill bit and drill pipe to rust, shortening their service life, and it is very troublesome to clean, requiring manual hand-held water guns for cleaning, with low efficiency. Therefore, in view of this, the utility model proposes a rotary drilling machine to solve the problem of low efficiency of manual cleaning of the drill bit. Summary of the Utility Model

[0004] In order to overcome the shortcoming of low efficiency of manual cleaning of the drill bit, the purpose of the utility model is to provide a rotary drilling machine for efficiently cleaning the drill bit.

[0005] The technical implementation scheme of the utility model is: a rotary drilling machine, which includes a drilling rig main body, a drill pipe, a drill bit, a rotary motor, a connecting plate, a spiral lifting motor, a fixing plate, a circular water pipe, and a water gun nozzle. The left part of the drilling rig main body is detachably installed with the drill pipe, and the lower part of the drill pipe is detachably installed with the drill bit. There is a groove on the left part of the drilling rig main body, and a rotary motor is fixedly installed in the groove of the drilling rig main body. The driving shaft of the rotary motor faces upward, and a connecting plate is fixedly installed on the driving shaft of the rotary motor. The upper part of the connecting plate is fixedly installed with a spiral lifting motor. The driving shaft of the spiral lifting motor faces upward, and the driving shaft of the spiral lifting motor is fixedly connected with a fixing plate. The lower part of the fixing plate is fixedly connected with a circular water pipe, and a water gun nozzle is fixedly connected to the inner side of the circular water pipe.

[0006] Furthermore, it also includes a water tank, a high-pressure pump, a hose, and a straight pipe. The left part of the drilling rig main body is fixedly installed with a water tank, the high-pressure pump is fixedly installed at the rear of the water tank, the upper part of the high-pressure pump is fixedly connected with a hose, the upper part of the fixing plate is fixedly connected with a straight pipe, one end of the straight pipe is fixedly connected with the hose, and the other end is fixedly connected with the circular water pipe.

[0007] Furthermore, it also includes a corrugated sleeve, a connecting rod, and a second telescopic cylinder. A second telescopic cylinder is fixedly installed on the upper part of the fixing plate, with the telescopic rod of the second telescopic cylinder facing downward. The lower part of the fixing plate is fixedly connected with a corrugated sleeve. A connecting rod is provided on the right part of the corrugated sleeve. One end of the connecting rod is fixedly connected with the corrugated sleeve, and the other end is fixedly connected with the telescopic rod of the second telescopic cylinder.

[0008] Furthermore, it also includes a support, a circular ring plate, a first telescopic cylinder, and an arc-shaped scraping plate. A support is slidably connected to the drill pipe. The lower part of the support is fixedly connected with a circular ring plate. The first telescopic cylinders are fixedly installed on the left and right sides of the circular ring plate, and the telescopic rods of the first telescopic cylinders are fixedly connected with arc-shaped scraping plates respectively.

[0009] Furthermore, a brush is provided on the inner wall of the arc-shaped scraping plate.

[0010] Furthermore, the material of the hose is rubber, and its shape is a spiral structure.

[0011] The beneficial effects are as follows: By providing components such as a water gun nozzle, a rotary motor, and a spiral lifting motor, the present utility model can clean the drill bit without dead angles. During use, it can move up and down through the spiral lifting motor to clean the residues such as mud, soil, and other impurities on the outer wall of the drill bit, which is convenient and fast, and solves the problem of low efficiency of manual cleaning of the drill bit. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0013] Figure 2 It is a schematic diagram of components such as the spiral lifting motor, the fixing plate, and the corrugated sleeve of the present utility model.

[0014] Figure 3 It is a schematic diagram of components such as the arc-shaped scraping plate, the first telescopic cylinder, and the circular ring plate of the present utility model.

[0015] Figure 4 It is a schematic diagram of components such as the water gun nozzle, the connecting rod, and the second telescopic cylinder of the present utility model.

[0016] In the above drawings: 1: Drilling rig main body, 2: Drill pipe, 3: Drill bit, 4: Support, 5: Rotary motor, 6: Spiral lifting motor, 7: Fixing plate, 8: Circular water pipe, 9: Water gun nozzle, 10: Water tank, 11: High-pressure pump, 12: Hose, 13: Straight pipe, 14: Circular ring plate, 15: First telescopic cylinder, 16: Arc-shaped scraping plate, 17: Second telescopic cylinder, 18: Corrugated sleeve, 19: Connecting rod, 20: Connecting plate. DETAILED DESCRIPTION OF THE INVENTION

[0017] Reference to embodiments in this text means that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present utility model. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0018] A rotary drilling rig, as Figures 1 - 4 shown, includes a rig body 1, a drill pipe 2, a drill bit 3, a rotary motor 5, a connecting plate 20, a spiral lifting motor 6, a fixing plate 7, a circular water pipe 8, a water gun nozzle 9, a water tank 10, a high-pressure pump 11, a hose 12, a straight pipe 13, a corrugated sleeve 18, a connecting rod 19, and a second telescopic cylinder 17. The left part of the rig body 1 is detachably installed with the drill pipe 2, and the lower part of the drill pipe 2 is detachably installed with the drill bit 3. A groove is provided in the left part of the rig body 1, and a rotary motor 5 is fixedly installed in the groove of the rig body 1. The driving shaft of the rotary motor 5 faces upward, and a connecting plate 20 is fixedly installed on the driving shaft of the rotary motor 5. A spiral lifting motor 6 is fixedly installed on the upper part of the connecting plate 20. The driving shaft of the spiral lifting motor 6 faces upward, and the driving shaft of the spiral lifting motor 6 is fixedly connected with a fixing plate 7. A circular water pipe 8 is fixedly connected to the lower part of the fixing plate 7. A water gun nozzle 9 is fixedly connected to the inner side of the circular water pipe 8. There are eight water gun nozzles 9, which are evenly distributed in a circle. The left part of the rig body 1 is fixedly installed with a water tank 10, a high-pressure pump 11 is fixedly installed at the rear of the water tank 10, a hose 12 is fixedly connected to the upper part of the high-pressure pump 11. The material of the hose 12 is rubber, and its shape is a spiral structure. The spiral rubber pipe is softer and more flexible. A straight pipe 13 is fixedly connected to the upper part of the fixing plate 7. One end of the straight pipe 13 is fixedly connected with the hose 12, and the other end is fixedly connected with the circular water pipe 8. Two second telescopic cylinders 17 are also fixedly installed on the upper part of the fixing plate 7. The telescopic rods of the second telescopic cylinders 17 face downward. A corrugated sleeve 18 is fixedly connected to the lower part of the fixing plate 7. There are two connecting rods 19 on the right part of the corrugated sleeve 18. One end of the connecting rod 19 is fixedly connected with the corrugated sleeve 18, and the other end is fixedly connected with the telescopic rod of the second telescopic cylinder 17.

[0019] As Figure 1 and Figure 3As shown in the figure, it also includes a support 4, a circular ring plate 14, a first telescopic cylinder 15 and an arc-shaped scraper 16. A support 4 is slidably connected to the drill pipe 2. A circular ring plate 14 is fixedly connected to the lower part of the support 4. First telescopic cylinders 15 are fixedly installed on the left and right sides of the circular ring plate 14. The telescopic rods of the first telescopic cylinders 15 are fixedly connected with arc-shaped scraper blocks 16. Brushes are provided on the inner walls of the arc-shaped scraper blocks 16. After the drilling work is completed and the drill pipe 2 and the drill bit 3 stay in the hole, first start the first telescopic cylinder 15. The telescopic rods of the two telescopic cylinders extend, thereby driving the two arc-shaped scrapers 16 to approach each other, and then the two arc-shaped scrapers 16 are combined to form a circular ring. Then turn off the first telescopic cylinder 15 and wind up the wire rope of the drilling rig main body 1, thereby causing the drill pipe 2 to move upward. The arc-shaped scraper 16 and the brushes on the inner wall of the arc-shaped scraper 16 can just scrape off the residues such as mud, soil and other impurities on the drill pipe 2. Then adjust the drill bit 3 to an appropriate height, start the rotary motor 5. The driving shaft of the rotary motor 5 drives the connecting plate 20 to rotate, thereby driving the water gun nozzle 9 to rotate. Turn the water gun nozzle 9 to directly below the drill bit 3. Then turn off the rotary motor 5 and start the second telescopic cylinder 17. The telescopic rod of the second telescopic cylinder 17 drives the connecting rod 19 to extend downward together, thereby stretching the corrugated sleeve 18. The corrugated sleeve 18 surrounds the periphery of the circular water pipe 8. The corrugated sleeve 18 can prevent the water sprayed by the water gun nozzle 9 from splashing randomly. Then start the high-pressure pump 11 and the water gun nozzle 9. The high-pressure pump 11 pumps the water flow out of the water tank 10. The water flow passes through the hose 12, the straight pipe 13 and the circular water pipe 8, and finally sprays out from the water gun nozzle 9, cleaning the residues such as mud, soil and other impurities inside the drill bit 3. Then start the screw lifting motor 6. The driving shaft of the screw lifting motor 6 drives the fixing plate 7 to move upward, thereby driving the water gun nozzle 9 to move upward. The water gun nozzle 9 sprays water continuously during the upward movement, cleaning the residues such as mud, soil and other impurities on the outer wall of the drill bit 3. When the water gun nozzle 9 finishes cleaning the top of the drill bit 3, start the screw lifting motor 6 to make the driving shaft of the screw lifting motor 6 move downward, thereby driving the water gun nozzle 9 to move downward. The water gun nozzle 9 can clean the drill bit 3 again. After the cleaning is completed, turn off the screw lifting motor 6, start the second telescopic cylinder 17 to make the telescopic rod of the second telescopic cylinder 17 retract, thereby resetting the corrugated sleeve 18. Then start the rotary motor 5 and rotate the water gun nozzle 9 to the position directly above the water tank 10 for resetting. Finally, turn off the rotary motor 5 and the second telescopic cylinder 17 to complete the cleaning work.

[0020] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A rotary drilling rig, comprising a rig main body (1), a drill pipe (2) and a drill bit (3), characterized in that, It further includes a rotary motor (5), a connecting plate (20), a screw lifting motor (6), a fixing plate (7), a circular water pipe (8) and a water gun nozzle (9). A drill pipe (2) is detachably installed on the left part of the drill rig main body (1), and a drill bit (3) is detachably installed on the lower part of the drill pipe (2). There is a groove on the left part of the drill rig main body (1), and a rotary motor (5) is fixedly installed in the groove of the drill rig main body (1). The driving shaft of the rotary motor (5) faces upward, and a connecting plate (20) is fixedly installed on the driving shaft of the rotary motor (5). A screw lifting motor (6) is fixedly installed on the upper part of the connecting plate (20). The driving shaft of the screw lifting motor (6) faces upward, and the driving shaft of the screw lifting motor (6) is fixedly connected to a fixing plate (7). A circular water pipe (8) is fixedly connected to the lower part of the fixing plate (7), and a water gun nozzle (9) is fixedly connected to the inner side of the circular water pipe (8).

2. The rotary drilling rig according to claim 1, characterized in that: It further includes a water tank (10), a high-pressure pump (11), a hose (12) and a straight pipe (13). The water tank (10) is fixedly installed on the left part of the drill rig main body (1), the high-pressure pump (11) is fixedly installed on the rear part of the water tank (10), the hose (12) is fixedly connected to the upper part of the high-pressure pump (11), the straight pipe (13) is fixedly connected to the upper part of the fixing plate (7), one end of the straight pipe (13) is fixedly connected to the hose (12), and the other end is fixedly connected to the circular water pipe (8).

3. A rotary drilling rig according to claim 2, characterized in that: It further includes a corrugated sleeve (18), a connecting rod (19) and a second telescopic cylinder (17). The second telescopic cylinder (17) is fixedly installed on the upper part of the fixing plate (7), the telescopic rod of the second telescopic cylinder (17) faces downward, the corrugated sleeve (18) is fixedly connected to the lower part of the fixing plate (7), a connecting rod (19) is arranged on the right part of the corrugated sleeve (18), one end of the connecting rod (19) is fixedly connected to the corrugated sleeve (18), and the other end is fixedly connected to the telescopic rod of the second telescopic cylinder (17).

4. A rotary drilling rig according to claim 3, characterized in that: It further includes a support (4), a circular ring plate (14), a first telescopic cylinder (15) and an arc-shaped scraper (16). A support (4) is slidably connected to the drill pipe (2), a circular ring plate (14) is fixedly connected to the lower part of the support (4), the first telescopic cylinders (15) are fixedly connected to the left and right sides of the circular ring plate (14), and the telescopic rods of the first telescopic cylinders (15) are fixedly connected with arc-shaped scraper (16) blocks.

5. A rotary drilling rig according to claim 4, characterized in that: The inner wall of the arc-shaped scraper (16) block is provided with a brush.

6. A rotary drilling rig according to claim 5, characterized in that: The material of the hose (12) is rubber, and its shape is a spiral structure.

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