A self-actuating multi-lane elevator for drilling equipment

Abstract

The utility model discloses a kind of drilling equipment self-driving multi-passway lifting and pulling device, it is related to lifting and pulling device technical field, including upper end, the top and bottom of upper end are cuboid structure and cylinder structure respectively, the side surface of cuboid section of upper end is equipped with hollow slot, installation port is equipped in the bottom surface both sides of hollow slot, drive motor is equipped on installation port, drive motor bottom output shaft is equipped with driving shaft;Shell, shell is located in the bottom end of upper end;Center swivel, center swivel is " convex " shape structure, the small diameter section of center swivel is rotatably connected in shell;The bottom end of driving shaft and the top end of center swivel are respectively equipped with pinion and gear, pinion and gear are combined into gear set, the utility model can realize multi-medium and electric energy synchronous transmission, rotate flexible and stable, and can avoid lifting and pulling device structure that steel wire rope and pipeline winding abrasion, meet the continuous rotary operation demand of rotary drilling rig under complex working condition.

Description

Technical Field

[0001] This utility model relates to the field of hoisting device technology, specifically a self-driven multi-path hoisting device for drilling equipment. Background Technology

[0002] As the connection between the rotary drilling rig and the drill rod, the performance of the hoist directly affects the operating efficiency, safety, and equipment maintenance costs of the rotary drilling rig. In current drilling operations, the hoist, as a key component connecting the rotary drilling rig and the drill rod, must simultaneously meet multiple requirements for power transmission, media conveying, and rotary operation.

[0003] Chinese patent application number 202022623775.8 discloses a lifting device for a rotary drilling rig, including an upper connecting body, a cylinder, and a lower connecting body. The upper connecting body is fixedly connected to the cylinder and connected to the main winding wire rope via a pin. During operation, it needs to rotate frequently to eliminate torque between the power head and the drill rod. The lower connecting body includes a connecting part, a fixed shaft, and a connecting part. The fixed shaft is fixedly located at the top of the connecting part, and the connecting part is fixedly located at the bottom of the connecting part. The connecting part is a square block with connecting holes on its surface. However, the structure has significant limitations. In complex working conditions requiring multi-media and electrical energy coordination, it is difficult to meet practical needs and cannot maintain a stable rotating operation state while ensuring the synchronous transmission of multiple media (such as hydraulic oil, coolant, etc.) and electrical energy.

[0004] In addition, the existing lifting device's rotating mechanism is poorly designed, which can easily lead to inflexible rotation or even jamming. This can directly cause the steel wire rope connecting the lifting device to loosen, and at the same time cause the steel wire rope to become entangled and worn with the transmission pipeline. This not only increases the frequency and cost of equipment maintenance, but also poses a great safety hazard and can easily lead to construction safety accidents. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to overcome the existing defects and provide a self-driven multi-channel hoist for drilling equipment. This hoist structure can realize the synchronous transmission of multiple media and electrical energy, rotate flexibly and stably, and avoid the wear and tear of wire rope and pipeline. It can meet the continuous rotation operation requirements of rotary drilling rigs under complex working conditions and effectively solve the problems in the background technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a self-driven multi-path lifting device for drilling equipment, including an upper end head, the top and bottom of which are respectively a cuboid structure and a cylindrical structure, a hollow groove is provided on the side of the cuboid section of the upper end head, and mounting ports are provided on both sides of the bottom surface of the hollow groove, a drive motor is provided on the mounting port, and a drive shaft is provided on the bottom output shaft of the drive motor. A housing, wherein the housing is located at the bottom end of the upper end; The central rotating body has a convex structure, and the small-diameter section of the central rotating body is rotatably connected inside the shell; The bottom end of the drive shaft and the top end of the central rotating body are respectively fitted with a small gear and a large gear, which are combined to form a gear set.

[0007] Furthermore, a plurality of first inlets are provided on the central cylindrical end face of the upper end head, and a plurality of first outlets are provided on the bottom surface of the upper end head.

[0008] Furthermore, the top end face of the housing is provided with a plurality of second inlets, which are connected to the first outlet.

[0009] Furthermore, a side groove is provided on the side of the shell, the top of the side groove is connected to the second inlet, a plurality of second outlets are provided on the inner wall of the side groove, and chambers are provided at equal intervals on the inner wall of the shell, with the second outlets connected to the chambers.

[0010] Furthermore, the top and bottom sides of the housing are respectively provided with a first bearing and a second bearing, and the inner rings of the first bearing and the second bearing are respectively fitted onto the top and bottom of the central rotating body; The protruding end face of the central rotating body is sealed to the bottom end face of the shell by an oil seal.

[0011] Furthermore, the sidewall of the central rotating body is provided with several third inlets, which correspond to the positions of the chambers. The bottom end of the central rotating body is provided with several arc-shaped cavities, which are connected to the third inlets. The bottom end face and the circumferential side face of the central rotating body are respectively provided with several bottom grooves and through grooves, which are connected to each other.

[0012] Furthermore, it also includes an electric slip ring, the outer ring of which is fixedly connected to the inner wall of the upper end, and the inner ring of which is fixedly sleeved on the top of the central rotating body.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model, by setting multiple first inlets and first outlets at the upper end, a second inlet, a second outlet, and a chamber in the shell, and a third inlet, an arc-shaped cavity, a bottom groove, and a side groove in the central rotating body, forms multiple independent media transmission paths. Various media (such as hydraulic oil, coolant, etc.) can simultaneously enter from the first inlets at the upper end, be transported through the first outlet, second inlet, second outlet, and chamber to the third inlet of the central rotating body, and then distributed to the bottom groove or side groove through the arc-shaped cavity, finally outputting to the drill rod. Simultaneously, the inner and outer rings of the electric slip ring are connected to the central rotating body and the upper end, respectively, realizing continuous transmission of electrical energy during rotation. This achieves synchronous and stable transmission of multiple media and electrical energy, meeting the coordinated power and media requirements of rotary drilling rigs under complex working conditions.

[0014] 2. This utility model utilizes the active drive of the drive motor in conjunction with the control system. When the external power head drives the drill rod to rotate in the forward direction, the drive motor drives the central rotating body in the reverse direction, keeping the upper end stationary relative to the wire rope. Conversely, when the power head rotates in the reverse direction, the drive motor drives the central rotating body in the forward direction, similarly maintaining the stationary state of the upper end. This process effectively avoids wire rope slack caused by the inflexible rotation of the hoist, as well as entanglement and wear between the wire rope and the transmission pipeline, improving the safety and service life of the equipment and reducing maintenance costs. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic cross-sectional view of the present invention. Figure 3 This is a schematic diagram of the upper end structure of this utility model; Figure 4 This is a schematic diagram of the shell structure of this utility model; Figure 5 This is a schematic diagram of the cross-sectional structure of the shell of this utility model; Figure 6 This is a schematic diagram of the central rotating body structure of this utility model; Figure 7 This is a schematic diagram of the bottom structure of the central rotating body of this utility model; Figure 8 This is a schematic diagram of the cross-sectional structure of the central rotating body of this utility model.

[0016] In the diagram: 1. Upper end; 2. Housing; 3. Central rotating body; 4. Drive motor; 5. Drive shaft; 6. Gear set; 7. Electric slip ring; 8. First bearing; 9. Second bearing; 10. Oil seal; 11. Mounting port; 12. First inlet; 13. First outlet; 21. Second inlet; 22. Second outlet; 23. Chamber; 31. Third inlet; 32. Arc-shaped cavity; 33. Bottom groove; 34. Side groove. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-8This utility model discloses a self-driven multi-path lifting device for drilling equipment, including an upper lifting head 1. The top and bottom of the upper lifting head 1 are rectangular and cylindrical structures, respectively. A plurality of first inlets 12 are opened on the cylindrical end face in the middle of the upper lifting head 1, and a plurality of first outlets 13 are opened on the bottom face of the upper lifting head 1. A plurality of second inlets 21 are opened on the top end face of the housing 2. The second inlets 21 are connected to the first outlets 13, and the first inlets 12, the first outlets 13 and the second inlets 21 are connected to form a passage.

[0019] It also includes a housing 2, which is located at the bottom of the upper end 1 of the lifting device. A side groove is provided on the side of the housing 2, and the top of the side groove is connected to the second inlet 21. A plurality of second outlets 22 are provided on the inner wall of the side groove. A cavity 23 is provided at equal intervals on the inner wall of the housing 2. The second outlets 22 are connected to the cavities 23. A first bearing 8 and a second bearing 9 are respectively provided on the top and bottom sides of the interior of the housing 2. The second inlet 21 is connected to the side groove, and the side groove is connected to the second outlet 22. The second outlet 22 is connected to the cavity 23, thereby forming a passage.

[0020] The central rotating body 3 has a convex structure. The small diameter section of the central rotating body 3 is rotatably connected inside the housing 2. The inner rings of the first bearing 8 and the second bearing 9 are respectively fitted on the top and bottom of the central rotating body 3. The first bearing 8 and the second bearing 9 are used to realize the rotational support of the central rotating body 3. The bottom end of the central rotating body 3 is fixedly connected to the external drill rod.

[0021] The protruding end face of the central rotating body 3 is sealed to the bottom end face of the housing 2 by an oil seal 10 to enhance the sealing between the housing 2 and the central rotating body 3, and to ensure the sealing and stability of the system during rotation.

[0022] The central rotating body 3 has several third inlets 31 on its side wall, which correspond to the positions of the chambers 23. The central rotating body 3 has several arc-shaped cavities 32 at its bottom end, which are connected to the third inlets 31. The bottom end face and the circumferential side face of the central rotating body 3 are respectively provided with several bottom grooves 33 and through grooves 34, which are connected to each other.

[0023] The third inlet 31 is connected to the chamber 23, and the arc-shaped cavity 32 is connected to the third inlet 31. The bottom groove 33, the through groove 34 and the arc-shaped cavity 32 are connected to each other to form a complete passage. By setting up several first inlets 12, first outlets 13, second inlets 21, second outlets 22, chambers 23, third inlets 31, and bottom grooves 33 and through grooves 34 of the arc-shaped cavity 32, multiple passages are formed to realize the transmission of multiple media.

[0024] A hollow groove is provided on the side of the cuboid section of the upper end 1 of the lifting device. Mounting ports 11 are provided on both sides of the bottom surface of the hollow groove. A drive motor 4 is provided on the mounting port 11. A drive shaft 5 is provided on the bottom output shaft of the drive motor 4. A small gear and a large gear are respectively fitted on the bottom end of the drive shaft 5 and the top end of the central rotating body 3. The small gear and the large gear are combined to form a gear set 6. The drive motor 4 drives the drive shaft 5 to rotate. The drive shaft 5 rotates through the gear set 6, which can provide rotational power for the central rotating body 3.

[0025] It also includes an electric slip ring 7. The outer ring of the electric slip ring 7 is fixedly connected to the inner wall of the upper end 1 of the lifting device, and the inner ring of the electric slip ring 7 is fixedly sleeved on the top of the central rotating body 3. The electric slip ring 7 is used to connect the upper end 1 with the central rotating body 3 in the state of rotation of the central rotating body 3.

[0026] During operation, the power head drives the rotary drilling rod at the bottom of the central rotating body 3 to rotate. The upper end 1 is connected to the external lifting wire rope through a jack. The speed and direction of the drive motor 4 are adjusted in real time under the action of the external control system, changing according to the equipment conditions and control signals.

[0027] When the external power head rotates forward, the drive motor 4 drives the central rotating body 3 in the reverse direction, keeping the upper end 1 and the external wire rope relatively stationary. Similarly, when the external power head rotates in the reverse direction, the drive motor 4 drives the central rotating body 3 in the forward direction, keeping the upper end 1 stationary relative to the external wire rope. The overall structure is compact, effectively transmitting power and achieving flexible control. It solves the problem of jamming due to the inflexible rotation caused by the complex structure of the lifting device, and also solves the problem of mutual entanglement and wear between the external wire rope and the pipeline. It is suitable for continuous rotation operation requirements under complex working conditions.

[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A self-driven multi-path hoist for drilling equipment, characterized in that, include: The upper end (1) has a cuboid structure at the top and a cylindrical structure at the bottom. A hollow groove is provided on the side of the cuboid section of the upper end (1). An installation port (11) is provided on both sides of the bottom surface of the hollow groove. A drive motor (4) is provided on the installation port (11). A drive shaft (5) is provided on the bottom output shaft of the drive motor (4). The housing (2) is located at the bottom end of the upper end (1); The central rotating body (3) has a convex structure, and the small diameter section of the central rotating body (3) is rotatably connected inside the shell (2); The bottom end of the drive shaft (5) and the top end of the central rotating body (3) are respectively fitted with a small gear and a large gear, which are combined to form a gear set (6).

2. The self-driven multi-path hoisting device for drilling equipment according to claim 1, characterized in that: The upper end (1) has several first inlets (12) on the cylindrical end face in the middle and several first outlets (13) on the bottom surface of the upper end (1).

3. The self-driven multi-path hoisting device for drilling equipment according to claim 2, characterized in that: The top end face of the housing (2) is provided with a plurality of second inlets (21), and the second inlets (21) are connected to the first outlet (13).

4. The self-driven multi-path hoisting device for drilling equipment according to claim 3, characterized in that: The side of the housing (2) is provided with a side groove, the top of the side groove is connected to the second inlet (21), the inner wall of the side groove is provided with a plurality of second outlets (22), and the inner wall of the housing (2) is provided with chambers (23) at equal intervals, and the second outlets (22) are connected to the chambers (23).

5. The self-driven multi-path hoisting device for drilling equipment according to claim 1, characterized in that: The top and bottom sides of the housing (2) are respectively provided with a first bearing (8) and a second bearing (9), and the inner rings of the first bearing (8) and the second bearing (9) are respectively fitted on the top and bottom of the central rotating body (3); The protruding end face of the central rotating body (3) is sealed to the bottom end face of the housing (2) by an oil seal (10).

6. The self-driven multi-path hoist for drilling equipment according to claim 4, characterized in that: The central rotating body (3) has several third inlets (31) on its side wall, and the third inlets (31) correspond to the positions of the chambers (23). The central rotating body (3) has several arc-shaped cavities (32) at its bottom end, and the arc-shaped cavities (32) are connected to the third inlets (31). The bottom end face and the circumferential side face of the central rotating body (3) are respectively provided with several bottom grooves (33) and through grooves (34), and the bottom grooves (33), through grooves (34) and arc-shaped cavities (32) are connected to each other.

7. The self-driven multi-path hoisting device for drilling equipment according to claim 1, characterized in that: It also includes an electric slip ring (7), the outer ring of which is fixedly connected to the inner wall of the upper end (1), and the inner ring of which is fixedly sleeved on the top of the central rotating body (3).

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