Underground operation power unit

Abstract

The present application is about a downhole operation power device, belonging to the field of oil wells. The device includes: a housing, a motor, an open drive gear, a transmission gear set, a square drive clamp tube, and a brake component; the open drive gear is provided with a square through hole matching the square drive clamp tube, and a boss is provided on the open drive gear; the open drive gear and the transmission gear set are installed in the housing, the upper surface of the housing is provided with a first through hole, the lower surface is provided with a second through hole, and the boss extends from the first through hole; the open drive gear is meshed with the transmission gear set, the motor is installed on the housing, and the output shaft of the motor extends into the housing and meshes with the transmission gear set; the brake component is installed on the upper surface of the housing, the brake component wraps the boss of the open drive gear, the square drive clamp tube is located in the square through hole of the open drive gear, the bottom end of the square drive clamp tube passes through the second through hole of the housing, and the square drive clamp tube is used to clamp the rotating rod. The present application can realize drilling and grinding of oil wells.

Description

Technical Field

[0001] The present application relates to the field of oil wells, and in particular to a downhole operation power device. Background Art

[0002] In the oil industry, oil wells can be built in oil fields to extract oil. During the well repair operation, it is often necessary to drill and grind the oil well.

[0003] When drilling an oil well, a power device needs to be installed at the wellhead, and the power device can be installed with a drill pipe, and a drill bit is installed at one end of the drill pipe extending into the oil well. In this way, the power device can drive the drill pipe to rotate, and the drill pipe drives the drill bit to rotate, and the oil well is drilled.

[0004] Therefore, in order to drill and grind oil wells, it is urgent to invent a power device to achieve drilling and grinding of oil wells. Summary of the invention

[0005] The embodiment of the present application provides a downhole operation power device to achieve drilling and grinding of oil wells. The technical solution is as follows:

[0006] On the one hand, the present application provides a downhole operation power device, comprising:

[0007] Housing, motor, open drive gear, transmission gear set, square drive clamp tube, brake parts;

[0008] The opening drive gear is provided with a square through hole matching the square drive clamp tube, and a boss is provided on the opening drive gear;

[0009] The opening drive gear and the transmission gear set are installed in the housing, the upper surface of the housing is provided with a first through hole, the lower surface of the housing is provided with a second through hole, the first through hole and the second through hole are arranged opposite to each other, and the boss of the opening drive gear extends out from the first through hole;

[0010] The open drive gear is meshed with the transmission gear set, the motor is mounted on the housing, and the output shaft of the motor extends into the housing and meshes with the transmission gear set;

[0011] The braking component is installed on the upper surface of the shell, and the braking component wraps the boss of the open driving gear. The square driving clamp tube is located in the square through hole of the open driving gear, and the bottom end of the square driving clamp tube passes through the second through hole of the shell. The square driving clamp tube is used to clamp the rotating rod.

[0012] Optionally, the transmission gear set includes a first transmission gear and a second transmission gear, and the first transmission gear and the second transmission gear are installed inside the housing;

[0013] The first transmission gear and the second transmission gear are respectively meshed with the opening drive gear and an output shaft of the motor.

[0014] Optionally, it further comprises: a double gear, wherein the double gear comprises a third transmission gear and a fourth transmission gear stacked up and down and coaxial, the third transmission gear is located above the fourth transmission gear, and the radius of the third transmission gear is greater than the radius of the fourth transmission gear;

[0015] The double gear is installed inside the housing, and the fourth transmission gear of the double gear is respectively meshed with the first transmission gear, the second transmission gear and the output shaft of the motor.

[0016] Optionally, a low-speed gearshift gear, a high-speed gearshift gear and a linkage gear are provided on the output shaft of the motor, and the high-speed gearshift gear is located between the low-speed gearshift gear and the linkage gear;

[0017] The high-speed shift gear is connected to the linkage gear, the diameter of the linkage gear is larger than the diameter of the high-speed shift gear, and the diameter of the high-speed shift gear is the same as the diameter of the low-speed shift gear.

[0018] Optionally, the open drive gear is provided with an opening, the opening is communicated with the square through hole of the open drive gear, and the width of the opening is greater than the width of the square drive clamp tube and less than the diagonal length of the cross section of the square drive clamp tube.

[0019] Optionally, the braking component includes:

[0020] A brake band, a brake band and a hydraulic cylinder, wherein the brake band comprises an arc-shaped groove, and the brake band is filled in the arc-shaped groove;

[0021] The brake band is installed on the upper surface of the shell, the boss in the open drive gear is located in the arc groove, one end of the hydraulic cylinder is fixed on the upper surface of the shell, the output shaft of the hydraulic cylinder is connected to one end of the brake band, and the other end of the brake band is fixed on the shell.

[0022] Optionally, the braking component further includes:

[0023] A remote bracket support rod and a triangular brake handle remote bracket, wherein two upper corner points of the triangular brake handle remote bracket are fixed to the upper surface of the housing;

[0024] One end of the remote support rod is fixed to another corner point of the triangular brake handle remote support, one end of the hydraulic cylinder is hinged to the other corner of the remote support rod, and one end of the hydraulic cylinder rotates around the remote support rod.

[0025] Optionally, the braking component further includes:

[0026] A brake block, a handle and a rocker, wherein the brake block is fixed on the upper surface of the shell, the middle part of the rocker is rotatably connected to the brake block, one end of the handle is rotatably connected to one end of the output shaft of the hydraulic cylinder, the other end of the handle is rotatably connected to one end of the rocker, and the other end of the rocker is connected to the other end of the brake band.

[0027] Optionally, it also includes: a connecting shaft and a spring, wherein the connecting shaft passes through the spring, one end of the connecting shaft is connected to one end of the brake band, and the other end of the connecting shaft passes through the through hole of the brake band.

[0028] Optionally, it further includes: a connecting tube, one end of which is fixedly connected to the lower surface of the shell, the connecting tube is communicated with the second through hole, and a flange is fixedly installed on the other end of the connecting tube.

[0029] Optionally, a remote-controlled hydraulic reversing operating valve is installed on the motor, a first liquid inlet end of the remote-controlled hydraulic reversing operating valve is connected to one end of a first reversing control pipeline, a second liquid inlet end of the remote-controlled hydraulic reversing operating valve is connected to one end of a second reversing control pipeline, the other end of the first reversing control pipeline and the other end of the second reversing control pipeline are respectively connected to the operating valve, and the operating valve is also connected to an oil inlet pipeline and an oil return pipeline.

[0030] The technical solution provided by the embodiments of the present application may have the following beneficial effects:

[0031] In the embodiment of the present application, since the square drive clamp is used to clamp the rotating rod, a drill bit can be installed at the bottom end of the rotating rod. The motor can rotate to drive the transmission gear set, and the transmission gear set drives the open drive gear to rotate. Since the square drive clamp is located in the square through hole of the open drive gear, the square drive clamp rotates with the open drive gear, and the square drive clamp drives the rotating rod clamped by it to rotate together. In this way, the drill bit at the bottom end of the rotating rod can perform operations such as drilling.

[0032] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0034] Figure 1 It is a structural schematic diagram of a downhole operation power device provided in an embodiment of the present application;

[0035] Figure 2It is a structural schematic diagram of a motor, an open drive gear, and a transmission gear set provided in an embodiment of the present application;

[0036] Figure 3 is a schematic diagram of an open drive gear provided in an embodiment of the present application;

[0037] Figure 4 is a schematic diagram of a motor output shaft provided in an embodiment of the present application;

[0038] Figure 5 is a structural schematic diagram of a brake component provided in an embodiment of the present application;

[0039] Figure 6 It is a structural schematic diagram of a downhole operation power device provided in an embodiment of the present application.

[0040] Legend

[0041] 1. Shell,

[0042] 2. Motor, 21. Low-speed gear shifting, 22. High-speed gear shifting, 23. Linkage gear;

[0043] 3. opening driving gear, 31. outer surface, 32. boss, 33. square perforation, 34. rolling structure, 35. opening;

[0044] 4. Transmission gear set, 41. first transmission gear, 42. second transmission gear, 43. double gear, 431. third transmission gear, 432. fourth transmission gear;

[0045] 5. Square drive clamp tube;

[0046] 6. Braking components, 61. Braking band, 62. Braking band, 63. Hydraulic cylinder 63, 64. Remote bracket support rod, 65. Triangular brake handle remote bracket, 66. Braking block, 67. Plug handle, 68. Rocker, 611. Arc groove;

[0047] 7. Shift handle, 71. Shift parts;

[0048] 8. Connecting tube.

[0049] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0050] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0051] The terms provided in the embodiments of the present invention involve words such as "first", "second", and "third", which are used to distinguish concepts with basically the same role and function or similar concepts. Therefore, in the embodiments of the present invention, the words such as "first", "second", and "third" do not have a logical or temporal dependency, nor do they limit the quantity and execution order. They are just a naming distinction.

[0052] The following explains the terms involved in the embodiments of the present invention:

[0053] See also Figure 1 , the embodiment of the present application provides a downhole operation power device, including:

[0054] Housing 1, motor 2, open drive gear 3, transmission gear set 4, square drive clamp tube 5 and brake component 6;

[0055] See also Figure 2 The open drive gear 3 is a bearing structure, and teeth are arranged on the outer surface 31 of the open drive gear 3. The open drive gear 3 is provided with a boss 32 whose height is higher than the outer surface 31, and the top of the boss 32 is exposed from the open drive gear 3. The boss 32 is provided inside with a square through hole 33 matching the square drive clamp tube 5;

[0056] The opening drive gear 3 and the transmission gear set 4 are installed in the housing 1. The upper surface of the housing 1 is provided with a first through hole, and the lower surface of the housing 1 is provided with a second through hole. The first through hole and the second through hole are arranged opposite to each other. The top end of the boss 32 of the opening drive gear 3 extends out from the first through hole and is exposed from the upper surface of the housing 1.

[0057] The open drive gear 3 is meshed with the transmission gear set 4, the motor 2 is mounted on the housing 1, and the output shaft of the motor 2 extends into the housing 1 and meshes with the transmission gear set 4;

[0058] The braking component 6 is installed on the upper surface of the shell 1, and the braking component 6 wraps the top of the boss 32 of the open driving gear 3. The square driving clamp tube 5 is located in the square through hole 33 of the open driving gear 3. The top of the square driving clamp tube 5 is exposed from the top of the boss 32, and the bottom end of the square driving clamp tube 5 passes through the second through hole of the shell 1. The square driving clamp tube 5 is used to clamp the rotating rod.

[0059] The rotating rod can be a drill pipe or a well pipe string.

[0060] A plurality of rolling structures 34 are provided in the open drive gear 3 , and the plurality of rolling structures 34 are evenly spaced and distributed in the open drive gear 3 . Each rolling structure 34 includes a steel ball and a steel ball fixing ring, and the steel ball is located in the steel ball fixing ring.

[0061] The steel ball is installed in the pre-set ball sockets in the upper and lower grooves of the open driving gear 3. The spherical diameter of the ball socket is larger than the diameter of the steel ball. The steel ball is fixed to the groove surface of the open driving gear 3 with screws using a steel ball fixing ring plate. The middle opening of the fixing ring plate is a spherical hole whose aperture is slightly larger than the spherical arc on the steel ball, which plays the role of fixing and limiting the steel ball.

[0062] For the open drive gear 3, its lower end contacts the upper end face of the connecting flange of the shell, and its upper end contacts the upper pressure cover. The upper end face of the connecting flange and the lower contact end face of the upper pressure cover are provided with a track groove, and the open drive gear 3 rotates in the track groove.

[0063] The square drive tube 5 is composed of built-in clamp teeth blocks and fixing bolts, etc., to achieve the grasping and holding of the rotating rod, so as to realize the drilling, grinding and milling of the rotating rod.

[0064] Since the square drive clamp tube 5 is used to clamp the rotating rod, a drill bit can be installed at the bottom end of the rotating rod. The motor 2 can rotate to drive the transmission gear set 4, and the transmission gear set 4 drives the opening drive gear 3 to rotate. Since the square drive clamp tube 5 is located in the square through hole 33 of the boss 32 of the opening drive gear 3, the square drive clamp tube 5 rotates with the opening drive gear 3, and the square drive clamp tube 5 drives the rotating rod clamped by it to rotate together. In this way, the drill bit at the bottom end of the rotating rod can perform operations such as drilling.

[0065] When drilling or other operations are stopped, the motor 2 stops working, and the brake component 6 can clamp the boss 32 of the opening drive gear 3 to brake the opening drive gear 3. At this time, the rotating rod clamped by the square drive clamp 5 is also braked, that is, the rotating rod stops rotating, which can prevent the rotating rod from being rotated by the downhole equipment.

[0066] Optional, see Figure 3 The transmission gear set 4 includes a first transmission gear 41 and a second transmission gear 42, and the first transmission gear 41 and the second transmission gear 42 are installed inside the housing 1;

[0067] The first transmission gear 41 and the second transmission gear 42 are meshed with the opening driving gear 3 and the output shaft of the motor 2 respectively.

[0068] Among them, see Figure 3An opening 35 is provided on the open drive gear 3, and the opening 35 is connected to the square through hole 33 in the boss 32 of the open drive gear 3. The width of the opening 35 is greater than the width of the square drive clamp tube 5 and less than the diagonal length of the cross section of the square drive clamp tube 5.

[0069] The opening 35 is used to connect the square through hole 33 in the boss 32 with the outside of the open drive gear 3. After the square drive clamp tube 5 is used to clamp the rotating rod, the square drive clamp tube 5 can be passed through the opening 35 and installed in the square drive clamp tube 5, so that the square drive clamp tube 5 can be installed.

[0070] Due to the existence of the opening 35 , the transmission gear set 4 is provided to include a first transmission gear 41 and a second transmission gear 42 , so that it can be ensured that at least one transmission gear is always engaged with the opening drive gear 3 , thereby driving the opening drive gear 3 to rotate.

[0071] Optionally, the transmission gear set 4 further includes a double gear 43, the double gear 43 includes a third transmission gear 431 and a fourth transmission gear 432 stacked up and coaxially, the third transmission gear 431 is located above the fourth transmission gear 432, and the radius of the third transmission gear 431 is greater than the radius of the fourth transmission gear 432;

[0072] The double gear 43 is installed inside the housing 1 , and the fourth transmission gear 432 of the double gear 43 is meshed with the first transmission gear 41 and the second transmission gear 42 . The output shaft of the motor 2 is meshed with the third transmission gear 431 or the fourth transmission gear 432 .

[0073] When the output shaft of the motor 2 is meshed with the third transmission gear 431, the motor 2 drives the third transmission gear 431 to rotate, and the fourth transmission gear 432 coaxial with the third transmission gear 431 also rotates, thereby driving the first transmission gear 41 and the second transmission gear 42 to rotate. When the output shaft of the motor 2 is meshed with the fourth transmission gear 432, the motor 2 drives the fourth transmission gear 432 to rotate, and the fourth transmission gear 432 drives the first transmission gear 41 and the second transmission gear 42 to rotate. Since the third transmission gear 431 and the fourth transmission gear 432 have different diameters, the rotating rod can be driven to rotate at a variety of different speeds.

[0074] See also Figure 2 and 4 A low-speed gear shifting gear 21, a high-speed gear shifting gear 22 and a linkage gear 23 are provided on the output shaft of the motor 2, and the high-speed gear shifting gear 22 is located between the low-speed gear shifting gear 21 and the linkage gear 23;

[0075] The high-speed shift gear 22 is connected to the linkage gear 23 , the diameter of the linkage gear 23 is larger than the diameter of the high-speed shift gear 22 , and the diameter of the high-speed shift gear 22 is the same as the diameter of the low-speed shift gear 21 .

[0076] Among them, due to the high-speed gearshift gear 22 and the linkage gear 23, the two can rotate at the same time. The low-speed gearshift gear 21 is meshed with the third transmission gear 431, and the linkage gear 23 is meshed with the fourth transmission gear 432. The output shaft of the motor 2 can drive the low-speed gearshift gear 21 or the high-speed gearshift gear 22 to rotate. That is, when the output shaft of the motor 2 drives the low-speed gearshift gear 21 to rotate, the third transmission gear 431 can be driven to rotate through the low-speed gearshift gear 21. When the output shaft of the motor 2 drives the high-speed gearshift gear 22 to rotate, the linkage gear 23 also rotates, and the linkage gear 23 drives the fourth transmission gear 432 to rotate.

[0077] Optionally, the motor 2 is a hydraulically controlled motor.

[0078] See also Figure 1 The device also includes a gear shifting handle 7, and a gear shifting component 71 is provided on the low-speed gear shifting gear 21 or the high-speed gear shifting gear 22. The gear shifting handle 7 is connected to the gear shifting component 71, and the gear shifting component 71 can be controlled to move to the low-speed gear shifting gear 21 or the high-speed gear shifting gear 22 through the gear shifting handle 7.

[0079] When the shifting member 71 moves to the low-speed shifting gear 21, the output shaft of the motor 2 drives the high-speed shifting gear 22 to rotate, while the low-speed shifting gear 21 stops rotating. When the shifting member 71 moves to the high-speed shifting gear 22, the output shaft of the motor 2 drives the low-speed shifting gear 22 to rotate, while the high-speed shifting gear 22 stops rotating, so that the motor 2 can drive the opening driving gear 3 to rotate at different speeds.

[0080] Optionally, the motor 2 may be an electric motor or a hydraulic motor.

[0081] See also Figure 1 , Figure 5 and Figure 6 , the brake component 6 comprises:

[0082] A brake band 61, a brake band 62 and a hydraulic cylinder 63, wherein the brake band 61 comprises an arc groove 611, and the brake band 62 is filled in the arc groove 611;

[0083] The brake band 61 is installed on the upper surface of the shell 1, the top of the boss 32 in the open drive gear 3 is located in the arc groove 611, one end of the hydraulic cylinder 63 is fixed on the upper surface of the shell 1, the output shaft of the hydraulic cylinder 63 is connected to one end of the brake band 62, and the other end of the brake band 62 is fixed on the shell 1.

[0084] Among them, the brake band 61 is an arc-shaped structure, and the top of the boss 32 of the opening drive gear 3 extends into the arc-shaped structure of the brake band 61. The hydraulic cylinder 63 can drive the brake band 62 located in the brake band 61, so that the brake band 62 brakes the boss 32, thereby braking the opening drive gear 3.

[0085] Optionally, the braking component 61 further includes:

[0086] See also Figure 1 or Figure 5 , a remote bracket support rod 64 and a triangular brake handle remote bracket 65, wherein two upper corner points of the triangular brake handle remote bracket 65 are fixed to the upper surface of the housing 1;

[0087] One end of the remote support rod 64 is fixed to another corner point of the triangular brake handle remote support 65 , one end of the hydraulic cylinder 63 is hinged to the other end of the remote support rod 64 , and one end of the hydraulic cylinder 63 rotates around the remote support rod 64 .

[0088] Optional, see Figure 1 , Figure 5 and Figure 6 , the brake component 6 also includes:

[0089] The brake block 66, the handle 67 and the rocker 68, the brake block 61 is fixed on the upper surface of the shell 1, the middle part of the rocker 68 is rotatably connected to the brake block 61, one end of the handle 67 is rotatably connected to one end of the output shaft of the cylinder 63, the other end of the handle 67 is rotatably connected to one end of the rocker 68, and the other end of the rocker 68 is connected to the other end of the brake band 62.

[0090] The output shaft of the hydraulic cylinder 63 can push the plug handle 67, the plug handle 67 drives the seesaw 68, and the seesaw 68 can push one end of the brake band 62, thereby driving the brake band 62 to brake the opening driving gear 3.

[0091] Optionally, the brake component 6 also includes: a connecting shaft 69 and a spring 60, the connecting shaft 69 passes through the spring 60, one end of the connecting shaft 69 is connected to one end of the brake band 62, and the other end of the connecting shaft 69 passes through the through hole of the brake band 61, and the connecting shaft 69 can move in the through hole.

[0092] When the output shaft of the hydraulic cylinder 63 pushes the plug handle 67 , the rocker 68 pushes one end of the brake band 69 , and the other end of the brake band 69 is connected to the connecting shaft 69 , which drives the connecting shaft 69 to move to compress the spring 69 sleeved on the connecting shaft 69 .

[0093] Among them, when the hydraulic cylinder 63 stops working, the output shaft of the hydraulic cylinder 63 extends out of the hydraulic cylinder 63, but at this time, since the output shaft does not have the driving force generated by the hydraulic cylinder 63, under the action of the restoring force of the spring 60, the connecting shaft 69 pulls the other end of the brake band 62, and the brake band 62 transmits the driving force to the seesaw 68, and the seesaw 68 transmits it to the plug handle 67, and the plug handle 67 pushes the output shaft back into the hydraulic cylinder 63.

[0094] The brake component 6 is remotely controlled by a hydraulic cylinder as a remote power control mechanism, and the hydraulic cylinder is used to control the proximal connecting rod mechanism to achieve the clamping and releasing of the boss 32 of the brake band 62. The brake component 6 uses the lever principle to achieve the control and operation of the continuous action.

[0095] Optionally, see 1, the device further includes: a connecting tube 8, one end of which is fixedly connected to the lower surface of the shell, the connecting tube 7 is connected to the second through hole, and a flange is fixedly installed on the other end of the connecting tube 8.

[0096] The device can be installed on a wellhead flange, and the flange of the connecting tube 8 is aligned with the wellhead flange, so that the device can be fixedly installed on the wellhead flange.

[0097] In the embodiment of the present application, since the square drive clamp tube clamps the rotating rod, the bottom end of the rotating rod can be installed with a drill bit. The motor can rotate to drive the transmission gear set, and the transmission gear set drives the open drive gear to rotate. Since the square drive clamp tube is located in the square perforation of the open drive gear, the square drive clamp tube rotates with the open drive gear, and the square drive clamp tube drives the rotating rod clamped by it to rotate together. In this way, the drill bit located at the bottom end of the rotating rod can perform operations such as drilling. The above device has a simple structure, convenient operation, high efficiency, and can well realize power transmission and realize drilling, grinding and milling operations. It has the following advantages: 1. The entire device has a compact structure, is safe and reliable, and is quick and convenient to install. 2. The power transmission is direct and efficient, and a variety of construction purposes can be achieved under different working conditions. 3. The drive tube can be lowered and lifted while drilling, and the mechanical drilling speed is controlled according to the drilling pressure and drilling and grinding footage. 4. The remote-controlled hydraulic brake device and the remote-controlled hydraulic operation device can well ensure the safety performance of the operation and achieve safety and efficiency.

[0098] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0099] It should be understood that the present application is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A power device for underground operations, characterized in that: include: Housing, motor, open drive gear, transmission gear set, square drive clamp tube, brake parts; The opening drive gear is provided with a square through hole matching the square drive clamp tube, and a boss is provided on the opening drive gear; The opening drive gear and the transmission gear set are installed in the housing, the upper surface of the housing is provided with a first through hole, the lower surface of the housing is provided with a second through hole, the first through hole and the second through hole are arranged opposite to each other, and the boss of the opening drive gear extends out from the first through hole; The open drive gear is meshed with the transmission gear set, the motor is mounted on the housing, and the output shaft of the motor extends into the housing and meshes with the transmission gear set; The brake component is installed on the upper surface of the shell, the brake component wraps the boss of the open drive gear, the square drive clamp tube is located in the square through hole of the open drive gear, the bottom end of the square drive clamp tube passes through the second through hole of the shell, and the square drive clamp tube is used to clamp the rotating rod; The braking component includes: a brake band, a brake band, a hydraulic cylinder, a brake block, a handle and a rocker. The brake band includes an arc-shaped groove, and the brake band is filled in the arc-shaped groove; the brake band is installed on the upper surface of the shell, and the boss of the open driving gear is located in the arc-shaped groove. One end of the hydraulic cylinder is fixed to the upper surface of the shell, and the output shaft of the hydraulic cylinder is connected to one end of the brake band, and the other end of the brake band is fixed to the shell. The brake block is fixed to the upper surface of the shell, and the middle part of the rocker is rotatably connected to the brake block, one end of the handle is rotatably connected to one end of the output shaft of the hydraulic cylinder, the other end of the handle is rotatably connected to one end of the rocker, and the other end of the rocker is connected to the other end of the brake band.

2. The downhole operation power device according to claim 1, characterized in that: The transmission gear set comprises a first transmission gear and a second transmission gear, wherein the first transmission gear and the second transmission gear are installed inside the housing; The first transmission gear and the second transmission gear are respectively meshed with the opening drive gear and an output shaft of the motor.

3. The downhole operation power device according to claim 2, characterized in that: Also includes: A double gear, wherein the double gear comprises a third transmission gear and a fourth transmission gear stacked up and down and coaxially arranged, wherein the third transmission gear is located above the fourth transmission gear, and the radius of the third transmission gear is greater than the radius of the fourth transmission gear; The double gear is installed inside the housing, and the fourth transmission gear of the double gear is respectively meshed with the first transmission gear, the second transmission gear and the output shaft of the motor.

4. The downhole operation power device according to claim 3, characterized in that: A low-speed gearshift gear, a high-speed gearshift gear and a linkage gear are arranged on the output shaft of the motor, and the high-speed gearshift gear is located between the low-speed gearshift gear and the linkage gear; The high-speed shift gear is connected to the linkage gear, the diameter of the linkage gear is larger than the diameter of the high-speed shift gear, and the diameter of the high-speed shift gear is the same as the diameter of the low-speed shift gear.

5. The downhole operation power device according to any one of claims 2 to 4, characterized in that: The open drive gear is provided with an opening, the opening is communicated with the square through hole in the open drive gear, the width of the opening is greater than the width of the square drive clamp tube and less than the diagonal length of the cross section of the square drive clamp tube.

6. The downhole operation power device according to claim 1, characterized in that: The brake component also includes: A remote bracket support rod and a triangular brake handle remote bracket, wherein two upper corner points of the triangular brake handle remote bracket are fixed to the upper surface of the housing; One end of the remote support rod is fixed to another corner point of the triangular brake handle remote support, one end of the hydraulic cylinder is hinged to the other corner of the remote support rod, and one end of the hydraulic cylinder rotates around the remote support rod.

7. The downhole operation power device according to claim 1, characterized in that: Also includes: A connecting shaft and a spring, wherein the connecting shaft passes through the spring, one end of the connecting shaft is connected to one end of the brake band, and the other end of the connecting shaft passes through the through hole of the brake band.

8. The downhole operation power device according to claim 1, characterized in that: Also includes: A connecting tube, one end of which is fixedly connected to the lower surface of the shell, the connecting tube is communicated with the second through hole, and a flange is fixedly installed on the other end of the connecting tube.

9. The downhole operation power device according to claim 1, characterized in that: A remote-controlled hydraulic reversing operating valve is installed on the motor, a first liquid inlet end of the remote-controlled hydraulic reversing operating valve is connected to one end of a first reversing control pipeline, a second liquid inlet end of the remote-controlled hydraulic reversing operating valve is connected to one end of a second reversing control pipeline, the other end of the first reversing control pipeline and the other end of the second reversing control pipeline are connected to the operating valves respectively, and the operating valve is also connected to an oil inlet pipeline and an oil return pipeline.

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