Auxiliary putting-down device for drill rod of full-hydraulic drilling machine

By designing an auxiliary lowering device for the drill rod of a fully hydraulic drilling rig, and utilizing structures such as a load-bearing frame, slide rail, and slider, the drill rod can be smoothly lowered, solving the problem of unsafe manual operation in existing technologies and improving lowering efficiency and safety.

CN223689650UActive Publication Date: 2025-12-19CHINA GEOLOGICAL SURVEY XIAN MINERAL RESOURCES SURVEY CENT
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Patent Information

Application Number
CN202520533742.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2025-12-19
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing fully hydraulic drilling rigs require manual operation during the drill rod lowering process, which poses a risk of jamming and is unsafe, making it difficult to achieve a smooth lowering.

Method used

Design a fully hydraulic drill pipe assisted lowering device, which achieves smooth lowering of the drill pipe by setting up a load-bearing frame, slide rail, slider, mounting base, etc. on the side of the equipment mast.

Benefits of technology

By using the support sleeve and support bracket together, the drill pipe can be smoothly lowered, reducing the risk of manual operation and improving the efficiency and safety of lowering.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223689650U_ABST
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Abstract

The utility model relates to the technical field of foundation drilling equipment, in particular to an auxiliary putting-down device for a drill rod of a full-hydraulic drilling machine, which is characterized in that two sliding rails are in a group and are symmetrically arranged front and back, a plurality of groups of sliding rails are connected end to end, and two sliding blocks are respectively and fixedly arranged on the front side edge and the rear side edge of a supporting table; the front sliding block and the rear sliding block are erected on the sliding rails on the front side and the rear side respectively, the mounting base is arranged on the supporting table, the supporting base is rotationally arranged on the mounting base through a rotating shaft, and the supporting sleeve is fixedly arranged on the supporting base. A guide structure for bearing and supporting is arranged, a plurality of sections are connected end to end, so that the corresponding track length is selected and installed according to the length of the drill rod, a supporting structure is further arranged, the lower end of the drill rod is supported through the supporting structure, the supporting structure horizontally moves, an elevator at the upper end of the drill rod is pulled in a matched mode, and smooth laying-down operation of the drill rod is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ground drilling equipment, and specifically relates to a full hydraulic drilling rig drill rod auxiliary laying down device. BACKGROUND

[0002] When the full hydraulic drilling rig is operated, the drill rod is lifted upward by a lifting device to pull out the drill hole, and then the drill rod is laid down by manual operation, so that the center of gravity of the drilling rig is lowered and the safety of the equipment is ensured; the existing operation of laying down the drill rod by manual operation is performed by a lever and a traction rod, the lower end of the drill rod is pulled at a distance of 1.5-3 m from the equipment, so that the drill rod is initially shaken and deviated, and then the upper end of the drill rod is lowered by the lifting device after the drill rod is inclined, so that the drill rod is laid down, which needs manual operation, and the movement of the equipment is prone to jamming, so an auxiliary device needs to be designed to assist in laying down the drill rod. SUMMARY

[0003] The utility model discloses a full hydraulic drilling rig drill rod auxiliary laying down device, which sets up a bearing support guide structure and a plurality of sections connected in series, so that the length of the corresponding track can be selected according to the length of the drill rod, and a support structure is further set up to support the lower end of the drill rod and move horizontally, and the lifting device at the upper end of the drill rod is pulled to realize smooth laying down of the drill rod.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] It comprises a support table, and further comprises:

[0006] The two slide rails are symmetrically arranged in front and back, and the slide rails are connected in series at the front and back;

[0007] The two slide blocks are fixedly arranged on the front and back sides of the support table, and the front and back slide blocks are arranged on the front and back slide rails;

[0008] The mounting seat is arranged on the support table;

[0009] The support seat is rotatably arranged on the mounting seat;

[0010] The support sleeve is fixedly arranged on the support seat.

[0011] Preferably, a plurality of positioning seats are fixedly arranged on the front and back sides of the bearing frame at equal intervals, and the front and back slide rails are arranged on the front and back positioning seats.

[0012] Preferably, the lower surface of the support table is provided with two sets of pawls respectively at left and right ends, one set of pawls is two and symmetrically arranged on the support table through a rotating shaft, a threaded rod is rotatably arranged on the load-bearing frame through a bearing, the two pawls of one set are arranged on the threaded rod in a clamping manner, and the pawls are arranged in a threaded engagement manner with the threaded rod, a stepping motor is fixedly arranged on the load-bearing frame, and an output shaft of the stepping motor is in transmission connection with one end of the threaded rod.

[0013] Preferably, two sets of opening and closing motors are fixedly arranged on the lower surface of the support table in one-to-one correspondence with the two sets of pawls, an output shaft of the opening and closing motor is in transmission connection with a rotating shaft of one of the pawls of one set, and the rotating shafts of the two pawls of one set are in transmission connection through a straight gear set.

[0014] Preferably, a guide rod is fixedly arranged on the upper surface of the support table, and the mounting seat is movably sleeved on the guide rod.

[0015] Preferably, a support bracket is fixedly arranged on the wall of the support seat opposite to the support sleeve.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The support table is arranged on the slide rail of the load-bearing frame, the support seat is arranged on the mounting seat of the support table, the support sleeve and the support bracket are arranged on the support seat, the threaded rod is arranged on the load-bearing frame, and the pawls matched with the threaded rod are arranged on the support table, so that the support table is driven to move through the threaded rod, the drill rod to be laid down is clamped by the support sleeve or the support bracket, and the drill rod is laid down in the drill rod lifting operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model.

[0019] Figure 2 is a structural schematic view of the load-bearing frame and the slide rail in the utility model.

[0020] Figure 3 is a structural schematic view of the load-bearing frame and the positioning seat in the utility model.

[0021] Figure 4 is a structural schematic view of the support table and the mounting seat in the utility model.

[0022] Figure 5 is Figure 4 the lower side view of

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] 1. Support platform, 2. Slide rail, 3. Slider, 4. Mounting base, 5. Support base, 6. Support sleeve, 7. Load-bearing frame, 8. Positioning base, 9. Claw buckle, 10. Threaded rod, 11. Stepper motor, 12. Opening and closing motor, 13. Guide rod, 14. Support bracket. Detailed Implementation

[0025] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0026] like Figures 1-5 As shown, the specific implementation adopts the following technical solution:

[0027] This specific embodiment includes a load-bearing frame 7 and slide rails 2. Several load-bearing frames 7 are arranged end-to-end and are positioned on the ground beside the equipment mast. Several positioning seats 8 are equidistantly arranged and fixed on the front and rear sides of each load-bearing frame 7. Slide rails 2 are positioned on the front and rear sides of each load-bearing frame 7 and mounted on the positioning seats 8. Slide rails 2 on adjacent load-bearing frames 7 are connected end-to-end. A support platform 1 is positioned above each load-bearing frame 7. Sliding blocks 3 are symmetrically fixed on the front and rear sides of the support platform 1 and slide on the slide rails 2. A mounting base 4 is mounted on the support platform 1. A guide rod 13 is fixedly mounted on the support platform, and the mounting frame is movably sleeved on the guide rod 13. A support seat 5 is spun onto the mounting frame via a rotating shaft. A support sleeve 6 is fixedly mounted at one end of the support seat 5, and a support bracket 14 is fixedly mounted at the other end of the support seat 5. This allows the drill rod to be positioned during operation. The end of the drill rod is inserted into the support platform 1, or the drill rod is placed on the support bracket 14 to support the drill rod. The mounting base 4 can move on the support platform 1 in a limited manner by moving on the guide rod 13. Two sets of claw buckles 9 are symmetrically arranged at both ends of the lower surface of the support platform 1. Each set of claw buckles 9 consists of two symmetrically arranged claw buckles 9 that are screwed onto the support platform 1 by a rotating shaft. The rotating shafts of the two claw buckles 9 in one set are connected by a spur gear set. A tensioning motor 12 is fixedly installed on the lower surface of the support platform 1, and the output shaft of the tensioning motor 12 is connected to the rotating shaft of one of the claw buckles 9 in one set. A threaded rod 10 is screwed onto the load-bearing frame 7 through a bearing. The two claw buckles 9 in one set are engaged with the threaded rod 10 and connected to the threaded rod 10 by a thread. A stepper motor 11 is fixedly installed on the load-bearing frame 7, and the output shaft of the stepper motor 11 is connected to one end of the threaded rod 10.

[0028] In use of the device, according to the length of the drill pipe, the load bearing frame 7 corresponding to the node number is selected, the load bearing frame 7 is arranged in head-to-tail mode, one end of the completed load bearing frame 7 is abutted against the lower end of the drilling mast, the load bearing frame 7 is placed on the ground, then the slide rail 2 is taken and arranged on the positioning seat 8 on the load bearing frame 7 in head-to-tail mode, then the support table 1 is arranged on the slide rail 2 through the sliding block 3, a group of two claw buckles 9 are buckled by driving through the opening and closing motor 12, the two claw buckles 9 at the tail end of the support table 1 in the advancing direction are buckled, at the same time, the screw rod 10 is rotated by driving through the stepping motor 11, the claw buckle 9 is adjusted, the claw buckle 9 is engaged with the screw thread on the screw rod 10, then the drill pipe is pulled up through the lifting device of the drilling machine, when the lower end of the drill pipe is completely pulled out of the drill hole, the support table 1 is moved to the lower end of the drill pipe, the support seat 5 is rotated by pulling, the support seat 5 drives the support sleeve 6 to rotate upward, then the mounting seat 4 is moved, the support sleeve 6 is aligned with the lower end of the drill pipe, the drill pipe is lowered by the lifting device, the drill pipe is inserted into the support sleeve 6, then the lifting device is moved downward, the screw rod 10 is rotated by driving through the stepping motor 11, the screw rod 10 drives the support table 1 to move away from the equipment mast by driving through the claw buckle 9 buckled on the screw rod 10, the lower end of the drill pipe is moved away from the mast by driving through the support table 1, and the drill pipe is laid down; when the support table 1 is moved from above one load bearing frame 7 to above the next load bearing frame 7, the claw buckle 9 on the support table 1 is buckled on the screw rod 10 to be moved into the load bearing frame 7, and the claw buckle 9 on the support table 1 to be moved out is loosened, so that the movement of the support table 1 away from the equipment mast is maintained, when the drill pipe is laid down to less than 30°, a new support table 1 is arranged on the slide rail 2 close to the equipment mast, the support bracket 14 is rotated upward, so that the drill pipe is supported by the support bracket 14 when the drill pipe is laid down, and the end of the support sleeve 6 is arranged in the support sleeve 6 and the other end of the drill pipe is arranged in the support bracket 14.

[0029] Compared with the prior art, the device has the advantages that:

[0030] 1、The device is arranged on the ground beside the equipment mast in head-to-tail mode through the load bearing frame 7, the slide rail 2 is arranged on the positioning seat 8 on the load bearing frame 7, the support table 1 is arranged on the slide rail 2 through the cooperation of the slide rail 2 and the sliding block 3, the support sleeve 6 is arranged on the support table 1 through the support seat 5, the equipment drill pipe is supported through the support sleeve 6, and the laying down of the drill pipe is assisted.

[0031] 2、The screw rod 10 is arranged on the load bearing frame 7, and the claw buckle 9 is arranged on the support table 1 in two groups, the claw buckle 9 is driven to open and close through the opening and closing motor 12, the claw buckle 9 is matched with the screw thread of the screw rod 10, the screw rod 10 and the claw buckle 9 are matched, and the support table 1 is driven to move.

[0032] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A device for assisted lowering of a drill pipe of a full hydraulic drilling rig, comprising a support table (1), characterized in that, It also contains: Slide rail (2), the slide rail (2) is symmetrically arranged in front and back, and the array slide rail (2) is arranged in head-to-tail connection; Slide block (3), the slide block (3) is two and is respectively fixedly arranged on the front and rear sides of the support table (1), and the front and rear slide blocks (3) are respectively arranged on the front and rear slide rails (2); Mounting seat (4), the mounting seat (4) is arranged on the support table (1); Support seat (5), the support seat (5) is rotatably arranged on the mounting seat (4) through a rotating shaft; Support sleeve (6), the support sleeve (6) is fixedly arranged on the support seat (5).

2. The auxiliary pipe tripping device of a full hydraulic drilling rig according to claim 1, characterized in that: The two slide rails (2) of the group are provided with a load-bearing frame (7), a plurality of positioning seats (8) are fixedly arranged on the front and rear sides of the load-bearing frame (7) at equal intervals, and the front and rear slide rails (2) are respectively arranged on the front and rear positioning seats (8).

3. The auxiliary pipe tripping device of a full hydraulic drilling rig according to claim 2, characterized in that: The lower surface of the support table (1) is provided with two groups of claw buckles (9) at the left and right ends, one group of claw buckles (9) is two and is symmetrically arranged in front and back on the support table (1) through a rotating shaft, a threaded rod (10) is rotatably arranged on the load-bearing frame (7) through a bearing, the two claw buckles (9) of one group are clamped on the threaded rod (10), and the claw buckle (9) and the threaded rod (10) are arranged in threaded engagement, a stepping motor (11) is fixedly arranged on the load-bearing frame (7), and the output shaft of the stepping motor (11) is drivingly connected to one end of the threaded rod (10).

4. The auxiliary pipe tripping device of a full hydraulic drilling rig according to claim 3, characterized in that: The lower surface of the support table (1) is provided with two opening and closing motors (12) corresponding to the two groups of claw buckles (9), and the output shaft of the opening and closing motor (12) is drivingly connected to the rotating shaft of one of the claw buckles (9) of one group, and the rotating shafts of the two claw buckles (9) of one group are drivingly connected through a straight gear set.

5. The auxiliary pipe tripping device of a full hydraulic drilling rig according to claim 1, characterized in that: The upper surface of the support table (1) is fixedly provided with a guide rod (13), and the mounting seat (4) is movably sleeved on the guide rod (13).

6. The auxiliary pipe tripping device of a full hydraulic drilling rig according to claim 1, characterized in that: The wall of the support seat (5) opposite to the support sleeve (6) is fixedly provided with a support bracket (14).