Drill rod propelling device

By introducing a worm gear, worm wheel teeth, and limit pin structure into the drill pipe propulsion device, the problem that the existing device can only be used for drill pipes of a fixed diameter is solved, enabling flexible adaptation to drill pipes of different diameters and reducing replacement costs.

CN224149518UActive Publication Date: 2026-04-21SHANDONG ZHUOLI PILING MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG ZHUOLI PILING MASCH CO LTD
Filing Date
2025-06-09
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing drill pipe propulsion devices can only be used for drill pipes of fixed diameter, which means that the device needs to be replaced when the drill pipe diameter changes, increasing costs.

Method used

A drill pipe propulsion device was designed, which adopts a worm gear, worm wheel teeth, limit pin and inclined groove structure. By twisting the handle, the worm gear is driven to rotate, so as to realize the flexible adjustment of the limit block and adapt to the use of drill pipes of different diameters.

Benefits of technology

It enables flexible adaptation to drill pipes of different diameters, reduces the cost of replacing devices, and increases the applicability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a drill rod propelling device which comprises an installation frame, a first rotating frame is movably installed at the inner bottom of the installation frame, a moving groove is formed in the first rotating frame, a limiting block is arranged in the moving groove, and limiting pins are fixedly connected to the upper surface and the lower surface of the limiting block. A second rotating frame is movably installed in the first rotating frame, inclined grooves are formed in the upper surface and the lower surface of the second rotating frame, worm gear teeth are fixedly connected to the outer surface of the second rotating frame, a worm is movably installed in the first rotating frame, and a bevel gear ring is fixedly connected to the outer surface of the first rotating frame; a motor is arranged on the right side of the mounting frame, a bevel gear is fixedly connected to the output end of the motor, a sliding rod is fixedly connected to the upper surface of the mounting frame, and a mounting plate is fixedly connected to the upper surface of the sliding rod.
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Description

Technical Field

[0001] This utility model relates to the field of drill pipe propulsion technology, and in particular to a drill pipe propulsion device. Background Technology

[0002] In fields such as geological exploration, mining, and infrastructure construction, the drill pipe propulsion device is a key component. By precisely controlling the forward and backward movement of the drill pipe, in conjunction with a rotating mechanism, it enables efficient drilling operations. Its performance directly affects the drilling depth, accuracy, and construction efficiency, making it an important technical equipment for ensuring the smooth progress of various drilling projects.

[0003] Chinese utility model patent CN202421292173.0 discloses a spiral drill rod propulsion device for a spiral extrusion pile machine, comprising a main body, a rotating mechanism installed inside the main body, and a propulsion mechanism mounted on the main body. The main body includes a shell, the surface of which has a movable hole. The rotating mechanism includes a rotating shaft and a rotating column. A gear is fixedly connected to the outer surface of the rotating shaft, and a bevel gear is fixedly connected to the other end of the rotating shaft. A toothed ring is fixedly connected to the outer surface of the rotating column, and the side of the bevel gear meshes with the side of the toothed ring. The propulsion mechanism includes a top plate, and a toothed rod is fixedly connected to the bottom of the top plate. The toothed rod is installed inside the movable hole, and the side of the toothed rod meshes with the side of the gear. This utility model has a simple structure, can realize the downward rotational propulsion of the spiral drill rod, and is easy to disassemble and maintain, making it convenient to use.

[0004] The aforementioned propulsion device restricts the drill rod by rotating a rod during use, allowing the drill rod to rotate. However, this means that the device can only be used with drill rods of a fixed diameter. When the drill rod diameter changes, the device needs to be replaced, increasing costs. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of the aforementioned technologies and provide a drill pipe propulsion device.

[0006] Therefore, this utility model provides a drill pipe propulsion device, including a mounting frame. A first rotating frame is movably mounted on the inner bottom of the mounting frame. The first rotating frame has four movable slots inside. A limit block is provided inside the movable slot. Limit pins are fixedly connected to the upper and lower surfaces of the limit block. A second rotating frame is movably mounted inside the first rotating frame. Multiple inclined slots are provided on the upper and lower surfaces of the second rotating frame. The limit pins are located inside the inclined slots. Worm gears are fixedly connected to the outer surface of the second rotating frame. The number of components is multiple. A worm gear is movably installed inside the first rotating frame, and the worm gear meshes with the worm wheel teeth. A bevel gear ring is fixedly connected to the outer surface of the first rotating frame. A motor is provided on the right side of the mounting frame. A bevel gear is fixedly connected to the output end of the motor, and the bevel gear meshes with the bevel gear ring. Four slide rods are fixedly connected to the upper surface of the mounting frame. A mounting plate is fixedly connected to the upper surface of the slide rods. A hydraulic cylinder is fixedly connected to the upper surface of the mounting plate. A moving rod is fixedly connected to the output end of the hydraulic cylinder. A push plate is fixedly connected to the lower surface of the moving rod.

[0007] Preferably, the first rotating frame has a first rotating groove inside, and the second rotating frame is located inside the first rotating groove.

[0008] Preferably, the first rotating frame has a second rotating groove inside, the worm gear is located inside the second rotating groove, and a handle is fixedly connected to the side wall of the worm gear.

[0009] Preferably, the upper surface of the push plate is provided with limiting grooves, and the number of limiting grooves is four.

[0010] Preferably, a push plate is sleeved on the outer surface of the slide rod, and the push plate is located inside the limiting groove.

[0011] Preferably, a connecting seat is fixedly connected to the side wall of the mounting frame, and a motor is fixedly connected to the upper surface of the connecting seat.

[0012] Preferably, the lower surface of the mounting frame is fixedly connected with four legs.

[0013] Preferably, a support pad is fixedly connected to the lower surface of the support leg, and a shock-absorbing pad is fixedly connected to the lower surface of the support pad.

[0014] This utility model provides a drill pipe propulsion device, which has the following beneficial effects:

[0015] Compared to existing technologies, this drill pipe propulsion device, comprising a handle, worm gear, worm wheel teeth, a second rotating frame, a limiting pin, a slant groove, and a limiting block, allows for flexible adjustment of the limiting block's extension length for different drill pipe diameters. This is achieved by using a handle, worm gear, worm wheel teeth, a second rotating frame, a limiting pin (located inside the slant groove), and adjacent limiting pins (moving closer or further apart), thus affecting the proximity or separation of adjacent limiting blocks. This allows for greater flexibility in adjusting the limiting block's extension length for different drill pipe diameters, resulting in wider applicability. In contrast, existing propulsion devices, which restrict drill pipe rotation via a rotating rod, limit their use to a fixed diameter. Changing the drill pipe diameter necessitates replacement, increasing costs. This new device allows for flexible adjustment of the limiting block's position for different drill pipe diameters, broadening its applicability and reducing replacement costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a drill pipe propulsion device proposed in this utility model;

[0017] Figure 2 This is a cross-sectional view of the overall structure of a drill pipe propulsion device proposed in this utility model;

[0018] Figure 3 This utility model proposes a drill pipe propulsion device. Figure 2 Enlarged view of the structure at point A in the middle;

[0019] Figure 4 This is a partial structural cross-sectional view of a drill pipe propulsion device proposed in this utility model;

[0020] Figure 5 This utility model proposes a drill pipe propulsion device. Figure 4 Enlarged view of the structure at point B;

[0021] Figure 6 This is a cross-sectional view of the first rotating frame of a drill pipe propulsion device proposed in this utility model;

[0022] Figure 7 This is a cross-sectional view of the second rotating frame of a drill pipe propulsion device proposed in this utility model;

[0023] Figure 8 This is a structural diagram of a limiting block for a drill rod propulsion device proposed in this utility model.

[0024] The markings in the diagram are: 1. Mounting frame; 2. First rotating frame; 3. Moving groove; 4. Limiting block; 5. Limiting pin; 6. Second rotating frame; 7. Inclined groove; 8. Worm gear; 9. Worm; 10. Bevel gear ring; 11. Motor; 12. Bevel gear; 13. Slide rod; 14. Mounting plate; 15. Hydraulic cylinder; 16. Moving rod; 17. Push plate; 18. First rotating groove; 19. Second rotating groove; 20. Handle; 21. Limiting groove; 22. Connecting seat; 23. Support leg; 24. Support pad; 25. Shock-absorbing pad. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0026] Depend on Figures 1 to 8As shown, this utility model provides a drill pipe propulsion device, including a mounting frame 1. A first rotating frame 2 is movably mounted on the inner bottom of the mounting frame 1. The first rotating frame 2 has four moving grooves 3 inside. Limiting blocks 4 are set inside the moving grooves 3. The outer surface of the drill pipe has grooves corresponding to the limiting blocks 4. By inserting the limiting blocks 4 into the grooves on the outer surface of the drill pipe, the drill pipe can be rotated synchronously when the limiting blocks 4 rotate. Limiting pins 5 are fixedly connected to the upper and lower surfaces of the limiting blocks 4. A second rotating frame 2 is movably mounted inside the first rotating frame 2. Both the upper and lower surfaces of the moving frame 6 and the second rotating frame 6 are provided with inclined grooves 7, and there are multiple inclined grooves 7. The limiting pin 5 is located inside the inclined groove 7. The outer surface of the second rotating frame 6 is fixedly connected with worm gear teeth 8, and there are multiple worm gear teeth 8. The worm 9 is movably installed inside the first rotating frame 2, and the worm 9 meshes with the worm gear teeth 8. When it is needed for use with drill pipes of different diameters, the handle 20 is turned to drive the worm 9 to rotate. Since the worm 9 and the worm gear teeth 8 are meshed, the second rotating frame 6 can be driven to rotate. And since the limiting pin 5 is located inside the inclined groove 7, it can drive the corresponding... The adjacent limit pins 5 move closer or further apart, thus causing the adjacent limit blocks 4 to move closer or further apart. This allows for flexible adjustment of the extension length of the limit blocks 4 for drill rods of different diameters, broadening its applicability. A bevel gear ring 10 is fixedly connected to the outer surface of the first rotating frame 2. A motor 11 is located on the right side of the mounting frame 1. A bevel gear 12 is fixedly connected to the output end of the motor 11. The bevel gear 12 meshes with the bevel gear ring 10. When the drill rod is restricted by the limit blocks 4, the motor 11 operates, driving the bevel gear 12 to rotate, which in turn drives the first rotating frame 2 to rotate, thereby affecting the limit blocks 4. Block 4 rotates, which in turn drives the drill rod to rotate. Four slide rods 13 are fixedly connected to the upper surface of the mounting frame 1. A mounting plate 14 is fixedly connected to the upper surface of the slide rods 13. A hydraulic cylinder 15 is fixedly connected to the upper surface of the mounting plate 14. A moving rod 16 is fixedly connected to the output end of the hydraulic cylinder 15. When the hydraulic cylinder 15 works, it can drive the moving rod 16 to move downward, which in turn drives the push plate 17 to move downward. The push plate 17 can abut against the top of the drill rod, applying downward pressure to the drill rod to facilitate its operation. The push plate 17 is fixedly connected to the lower surface of the moving rod 16.

[0027] Depend on Figures 1 to 8As shown, this utility model provides a drill rod propulsion device. A first rotating frame 2 has a first rotating groove 18 inside, and a second rotating frame 6 is located inside the first rotating groove 18. The first rotating groove 18 can provide rotation space for the second rotating frame 6. A second rotating groove 19 is opened inside the first rotating frame 2, and a worm gear 9 is located inside the second rotating groove 19. A handle 20 is fixedly connected to the side wall of the worm gear 9. Twisting the handle 20 can drive the worm gear 9 to rotate. A limit groove 21 is opened on the upper surface of the push plate 17. There are four limit grooves 21. The limit grooves 21 can restrict the movement of the push plate 17. The push plate 17 is sleeved on the outer surface of the slide rod 13. The push plate 17 is located inside the limit groove 21. A connecting seat 22 is fixedly connected to the side wall of the mounting frame 1. A motor 11 is fixedly connected to the upper surface of the connecting seat 22. The connecting seat 22 can provide an installation position for the motor 11.

[0028] Depend on Figures 1 to 8 As shown, this utility model provides a drill rod propulsion device. The lower surface of the mounting frame 1 is fixedly connected with a support leg 23, which can support the mounting frame 1. There are four support legs 23. The lower surface of the support leg 23 is fixedly connected with a support pad 24, which can increase the support area and make the support effect of the support leg 23 stronger. The lower surface of the support pad 24 is fixedly connected with a shock-absorbing pad 25, which can play a certain shock-absorbing effect and reduce the vibration generated during operation.

[0029] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A drill rod pushing device comprising a mounting frame (1), characterized in that, A first rotating frame (2) is movably mounted on the inner bottom of the mounting frame (1). The first rotating frame (2) has four movable slots (3). Each movable slot (3) has a limiting block (4). The upper and lower surfaces of each limiting block (4) are fixedly connected to limiting pins (5). A second rotating frame (6) is movably mounted inside the first rotating frame (2). The upper and lower surfaces of the second rotating frame (6) have multiple inclined slots (7). The limiting pins (5) are located inside the inclined slots (7). A worm gear (8) is fixedly connected to the outer surface of the second rotating frame (6). A worm is movably mounted inside the first rotating frame (2). (9) The worm (9) meshes with the worm gear (8). A bevel ring (10) is fixedly connected to the outer surface of the first rotating frame (2). A motor (11) is provided on the right side of the mounting frame (1). A bevel gear (12) is fixedly connected to the output end of the motor (11). The bevel gear (12) meshes with the bevel ring (10). A slide rod (13) is fixedly connected to the upper surface of the mounting frame (1). There are four slide rods (13). A mounting plate (14) is fixedly connected to the upper surface of the slide rod (13). A hydraulic cylinder (15) is fixedly connected to the upper surface of the mounting plate (14). A moving rod (16) is fixedly connected to the output end of the hydraulic cylinder (15). A push plate (17) is fixedly connected to the lower surface of the moving rod (16).

2. A push device for drill pipe as defined in claim 1, wherein, The first rotating frame (2) has a first rotating groove (18) inside, and the second rotating frame (6) is located inside the first rotating groove (18).

3. A push device for drill pipe as defined in claim 1, wherein, The first rotating frame (2) has a second rotating groove (19) inside, the worm (9) is located inside the second rotating groove (19), and a handle (20) is fixedly connected to the side wall of the worm (9).

4. A push device for drill pipe as defined in claim 1, wherein, The upper surface of the push plate (17) is provided with limiting grooves (21), and the number of limiting grooves (21) is four.

5. A push device for drill pipe as defined in claim 1, wherein, The outer surface of the slide bar (13) is fitted with a push plate (17), which is located inside the limiting groove (21).

6. A push device for drill pipe as defined in claim 1, wherein, The side wall of the mounting frame (1) is fixedly connected to a connecting seat (22), and the upper surface of the connecting seat (22) is fixedly connected to a motor (11).

7. A push device for drill pipe as defined in claim 1, wherein, The lower surface of the mounting frame (1) is fixedly connected with four legs (23).

8. A push device for drill pipe as defined in claim 7, wherein, The lower surface of the support leg (23) is fixedly connected to a support pad (24), and the lower surface of the support pad (24) is fixedly connected to a shock-absorbing pad (25).

Citation Information

Patent Citations

  • Spiral drill rod propelling device of spiral pile extruding and expanding machine

    CN222333678U