CN110723670A - Four-gear transmission well drilling winch - Google Patents

Abstract

The invention discloses a fourth-speed gear transmission drilling winch, comprising a fourth-speed gear transmission box arranged on the base of the drawworks, the fourth-speed gear transmission box is connected with a power source, and the fourth-speed gear transmission box is connected by a second drum-shaped tooth coupling There is one end of the drum shaft assembly, and the other end is connected with the Eaton brake device through the first drum-shaped tooth coupling; the fourth-speed gear transmission box is also connected with an automatic drilling device through the push plate clutch; the push plate clutch is also connected with a pneumatic control device The air control system is connected with a fourth-speed gear transmission box; the fourth-speed gear transmission box is connected with an oil lubrication system. Beneficial effects of the invention: the four-speed gear transmission drilling winch integrates the characteristics of the AC variable frequency motor, the DC motor and the diesel engine combined drive, improves the transmission efficiency of the DC motor drive and the diesel engine combined drive winch, and unifies the structures of different transmission types of winches. The function of the winch is more diversified, and the interchangeability between different types of winches is enhanced.

Description

A four-speed gear transmission drilling winch

technical field

The invention belongs to the technical field of oil drilling and production equipment, and particularly relates to a fourth-speed gear transmission drilling winch.

Background technique

As the core component of the oil drilling rig, the oil drilling winch plays the role of lifting and lowering the derrick and base, lowering the casing, normal drilling and dealing with emergency downhole accidents. The transmission types of the existing drilling winches mainly include gear transmission and sprocket transmission. The winches driven by AC variable frequency motors mainly adopt gear transmission types, and are generally equipped with a gear box of one or two gears, and the winches driven by DC motors and diesel engines are combined. The winch mainly adopts the sprocket chain drive type, and the sprocket chain drive type winch mainly adopts the winch frame wall panel structure. AC variable frequency motor driven, DC motor driven and diesel engine combined-driven winches are used in different drilling rigs. The driven drawworks are matched with mechanical transmission drilling rigs. The transmission type and structure of different drive drawworks are very different, resulting in large differences in their dimensions and weights, and it is difficult to have interchangeability.

At present, the structures of different drive types of drawworks are quite different, and there are many types, which cannot be used universally. As a result, there are many types of different types of drilling drawworks equipment parts in the well team, which increases the items, quantities, and inventory occupied space of equipment wearing parts, which increases the space virtually. In addition, when the drawworks fails, the parts of the drilling drawworks cannot be exchanged in time, which greatly affects the drilling efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a four-speed gear transmission drilling winch, which solves the problem of poor interchangeability between different transmission types of winches.

The technical scheme of the present invention is that a fourth-speed gear transmission drilling winch comprises a winch base, a fourth-speed gear transmission box is connected to the winch base, a power source is connected to the fourth-speed gear transmission box, and the fourth-speed gear transmission box passes through the second drum The toothed coupling is connected with one end of the drum shaft assembly, and the surface of the drum body of the drum shaft assembly is connected with two hydraulic disc brake devices; the fourth-speed gear transmission box is connected with an air control system, and the air control system is also connected with a push plate A clutch, the fourth-speed gear transmission case is connected with an automatic drilling device through a push plate clutch; the fourth-speed gear transmission case is connected with an oil lubrication system.

It is also characterized in that,

The fourth-speed gear transmission box includes an input shaft, an intermediate shaft, an output shaft and a drilling shaft. The input shaft is provided with a gear Z1 and a gear Z3 in sequence, and the intermediate shaft is provided with a gear Z2, a gear Z4, a shift mechanism I, and a gear Z5. , Gear shift mechanism II, gear Z7, gear Z6 and gear Z8 are arranged on the output shaft in turn, and gear Z9 is arranged on the drill shaft in turn; gear Z1 meshes with Z2, and gear Z3 meshes with Z4 for transmission. Gear Z2 and Z4 switch; gear Z6 meshes with Z5 for transmission, gear Z8 meshes with Z7 for transmission, and shift mechanism II switches between gears Z5 and Z7; gear Z9 meshes with gear Z8 for transmission.

The shifting mechanism I and the shifting mechanism II of the fourth-speed gear transmission case are respectively connected with an air control system.

The power source is a first motor and a second motor, and the first motor and the second motor are respectively connected with both ends of the input shaft of the fourth-speed gear transmission box through the third drum-shaped tooth coupling and the fourth drum-shaped tooth coupling.

The first motor and the second motor are either a DC motor or an AC motor.

The first motor and the second motor are DC motors, and the other end of the drum shaft assembly is connected with an Eaton braking device through a first drum-shaped tooth coupling.

The power source is a diesel engine combined drive module. The power output end of the diesel engine combined drive is connected with a shaft end flange through a universal coupling, and the shaft end flange is connected with one end of the input shaft of the fourth-speed gear transmission box; the other end of the drum shaft assembly The first drum gear coupling is connected with an Eaton braking device.

The other end of the input shaft of the fourth-speed gear transmission case is connected with a shaft end shield.

The rolling hydraulic disc brake device is connected with a disc brake integrated hydraulic station.

A speed measuring device is connected to the other shaft of the output shaft of the fourth-speed gear box.

The beneficial effects of the invention are as follows: it can be applied to AC variable frequency motor drive, DC motor drive and diesel engine combined drive form, and has a wide range of applications; it reduces the types of oil drilling drawworks, facilitates the rapid selection of drawworks, and makes drilling drawworks products more standardized; The gear transmission type is adopted, which has high transmission efficiency and reduces the loss of original kinetic energy; the interchangeability of parts is high, which can realize the exchange of parts of drilling drawworks of different driving types of drilling rigs, and improve the efficiency of equipment failure maintenance; fast and convenient assembly , reduces the installation and disassembly time of the drawworks, and facilitates equipment maintenance; reduces the types of drilling drawworks parts, increases the versatility of parts, and can be produced in an assembly line, improving the production efficiency of the manufacturing industry; increasing the number of different types The interchangeability of the drilling drawworks of the drilling rigs facilitates the coordinated operation of the main bodies of the drilling drawworks of the drilling rigs of different well teams and improves the drilling efficiency.

Description of drawings

1 is a schematic structural diagram of an AC motor or a DC motor driven by a fourth-speed gear transmission drilling winch of the present invention;

Fig. 2 is a schematic diagram of the combined driving structure of a diesel engine of a fourth-speed gear transmission drilling winch of the present invention;

Fig. 3 is a transmission principle diagram of a fourth-speed gear transmission drilling winch of the present invention.

In the figure, 1. Eaton brake device, 2. Winch base, 3. First drum tooth coupling, 4. Drum shaft assembly, 5. Hydraulic disc brake device, 6. Second drum tooth coupling, 7. Fourth gear transmission box, 8. Speed measuring device, 9. Push disc clutch, 10. Automatic drilling device, 11. Disc brake integrated hydraulic station, 12. Pneumatic control system, 13. The first motor, 14. The third Drum tooth coupling, 15. Fourth drum tooth coupling, 16. Second motor, 17. Oil lubrication system, 18. Shaft end shield, 19. Shaft end flange, 20. Universal coupling device.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

A fourth-speed gear transmission drilling winch, as shown in Figure 2, includes a winch base 2, a fourth-speed gear transmission case 7 is connected to the winch base 2, and the fourth-speed gear transmission case 7 includes an input shaft, an intermediate shaft, an output shaft and a transmission shaft. Drill shaft, gear Z1 and gear Z3 are arranged on the input shaft in sequence, gear Z2, gear Z4, shifting mechanism I, gear Z5, shifting mechanism II, gear Z7 are arranged on the intermediate shaft in sequence, and gear Z6 is arranged on the output shaft. And gear Z8, gear Z9 is provided on the drill shaft, gear Z1 and Z2 mesh for transmission, gear Z3 and Z4 mesh for transmission, shift mechanism I switches gears Z2 and Z4; gear Z6 meshes with Z5 for transmission, and gear Z8 meshes with Z7 Gear shift mechanism II switches gears Z5 and Z7; gear Z9 meshes with gear Z8 for transmission, and the fourth-speed gear box 7 can be switched between four gears through shift mechanism I and shift mechanism II.

The fourth-speed gear transmission drilling winch adopts the fourth-speed gear transmission box 7 as the main transmission structure of the winch, which replaces the wall-plate built-in multi-shaft sprocket chain transmission form of the mechanical winch jointly driven by the traditional DC winch and the diesel engine, and increases the transmission efficiency of the winch. .

The input shaft of the fourth-speed gear transmission box 7 is connected to the power source, and the power is transmitted to the output shaft of the fourth-speed gear transmission box 7 after deceleration through the two-stage gear transmission of the fourth-speed gear transmission box 7. One end of the output shaft of the fourth-speed gear transmission box 7 One end of the drum shaft assembly 4 is connected to the second drum-shaped tooth coupling 6, and the power is finally transmitted to the drum shaft assembly 4. A double brake disc type is connected to both sides of the drum body surface of the drum shaft assembly 4. The hydraulic disc brake device 5 is used for braking. The hydraulic disc brake device 5 is also connected with a disc brake integrated hydraulic station 11 to supply oil and control the hydraulic disc brake device 5 .

A speed measuring device 8 is connected to the other end of the output shaft of the fourth-speed gear transmission box 7, which is convenient for the electrical control system and the measurement of the rotating speed of the drum during the logging operation.

The fourth-speed gear transmission box 7 is connected with an air control system 12, which controls the shifting mechanism I and the shifting mechanism II, and realizes the switching of the transmission box between the four gears; the air control system 12 is also connected with a push plate clutch 9 , the push-disc clutch 9 can be disengaged and engaged, and the fourth-speed gear transmission box 7 is connected with the automatic drilling device 10 through the push-disc clutch 9 .

The fourth-speed gear transmission case 7 is connected to an organic oil lubrication system 17. The oil lubrication system 17 is mainly composed of a lubricating oil pump device, a filter, pipelines and valve parts, which can realize the lubrication of the transmission gears and bearings of the fourth-speed gear transmission case 7.

Among them, the power source is the first motor 13 and the second motor 16, and the first motor 13 and the second motor 16 are respectively driven by the third drum-shaped tooth coupling 14 and the fourth drum-shaped tooth coupling 15 and the fourth-speed gear. Both ends of the input shaft of the box 7 are connected.

The first motor 13 and the second motor 16 are either AC motors or DC motors. When the first motor 13 and the second motor 16 are AC motors, the winch can use the first motor 13 and the second motor 16 to control the energy consumption. The dynamic and hydraulic disc brake device 5 performs braking; when the first motor 13 and the second motor 16 are DC motors, the other end of the drum shaft assembly 4 is connected to the Eaton brake through the first drum gear coupling 3 Device 1, at this time, hydraulic disc brake device 5 and Eaton brake device 1 are used as the main brake and auxiliary brake of the winch to perform combined braking, and the winch has higher safety.

As shown in FIG. 3 , the power source can also be a diesel engine combined drive module. The output end of the diesel engine combined drive is connected with a shaft end flange 19 through a universal coupling 20 , and the shaft end flange 19 is connected to the input of the fourth-speed gear box 7 . One end of the shaft transmits the power to the drum shaft assembly 4, and the other end of the input shaft of the fourth-speed gear box 7 is connected with a shaft end shield 18, which protects the shaft end of the input shaft and keeps the input shaft of the fourth-speed gear box 7 The original structure at both ends facilitates the interchangeability of the gearbox between the AC motor drive, the DC motor drive and the combined drive of the diesel engine.

All equipment is integrated and installed on a skid-type winch base 2, which can realize the overall lifting and transportation. The working principle of the present invention, as shown in FIG. 3 , the fourth-speed gear transmission case 7 includes an input shaft, an intermediate shaft, an output shaft and a drilling shaft. The drum shaft assembly 4 is connected, the drilling shaft is connected with the automatic drilling device 10 through the push plate clutch 9, the input shaft is sequentially provided with a gear Z1 and a gear Z3, and the intermediate shaft is sequentially provided with a gear Z2, a gear Z4, and a shifting mechanism Ⅰ. Gear Z5, shifting mechanism II, gear Z7, gear Z6 and gear Z8 are arranged on the output shaft in sequence, and gear Z9 is arranged on the drilling shaft in sequence; Gear mechanism I switches gears Z2 and Z4; gear Z6 meshes with Z5 for transmission, gear Z8 meshes with Z7 for transmission, and gear shift mechanism II switches gears Z5 and Z7; gear Z9 meshes with gear Z8 for transmission, through gearshift mechanism I and The gear mechanism II can realize the switch between the four gears of the transmission box.

The input shaft of the fourth-speed gear transmission box 7 is driven by one of the AC variable frequency motor, the DC motor and the diesel engine to introduce the power, and the power is led to the output shaft through the two-stage gear transmission, and the output shaft passes through the second drum gear coupling. It is connected with the winch drum shaft of 6 and the drum shaft assembly 4, so as to drive the drum to rotate and realize the lifting and lowering functions of the winch.

When the AC motor is driven, the fourth-speed gear box 7 can use two or four gears for transmission, and the winch can be braked by the energy consumption of the first motor 13 and the second motor 16, and the hydraulic disc brake device 5. The safety of the winch is higher; when the DC motor is driven and the diesel engine is jointly driven, the fourth-speed gear box 7 adopts the fourth-speed transmission. At this time, the hydraulic disc brake device 5 and the Eaton brake device 1 are respectively used as the winch. Main and auxiliary brakes.

Under normal working conditions, the push plate clutch 9 is disengaged from the drilling shaft of the fourth gear transmission box 7, and the power source is one of a DC motor, an AC motor or a diesel engine combined drive module.

Under the condition of automatic drilling, the push plate clutch 9 is engaged with the drilling shaft of the fourth-speed gear transmission box 7, and the shifting mechanism II of the fourth-speed gear transmission box 7 is in neutral, that is, there is no power from the fourth-speed gear transmission box. The input shaft of the transmission box 7 is transmitted to the output shaft; the power of the automatic drilling device 10 is meshed with the gear Z8 through the gear Z9 of the drilling shaft of the fourth-speed gear transmission box 7, and the power is transmitted to the drum shaft assembly 4 under the first-level transmission.

The four-speed gear drive drilling winch integrates the characteristics of AC variable frequency motor drive winch, DC motor drive winch and diesel engine combined drive winch, which improves the transmission efficiency of DC motor drive winch and diesel engine combined drive winch, and unifies the structure of different transmission types of winches. The function of the winch is more diversified, and the interchangeability between different types of winches is enhanced.

Claims (10)

1. A fourth-speed gear transmission drilling winch, characterized in that it comprises a winch base (2), a fourth-speed gear transmission case (7) is connected to the drawworks base (2), and the fourth-speed gear transmission case (7) is connected There is a power source, the fourth gear transmission box (7) is connected to one end of the drum shaft assembly (4) through the second drum-shaped tooth coupling (6), and the surface of the drum body of the drum shaft assembly (4) is connected with two a hydraulic disc brake device (5); The fourth-speed gear transmission case (7) is connected with an air control system (12), and the air control system (12) is also connected with a push plate clutch (9). 9) An automatic drilling device (10) is connected; The fourth-speed gear transmission case (7) is connected to an organic oil lubrication system (17). 2. A fourth-speed gear transmission drilling drawworks according to claim 1, characterized in that the fourth-speed gear transmission case (7) comprises an input shaft, an intermediate shaft, an output shaft and a drilling shaft, and the input shaft is arranged in sequence There are gear Z1 and gear Z3, gear Z2, gear Z4, gear shift mechanism I, gear Z5, gear shift mechanism II, gear Z7 are arranged on the intermediate shaft in sequence, and gear Z6 and gear Z8 are arranged on the output shaft in sequence. Gears Z9 are arranged on the shaft in turn; Gear Z1 meshes with Z2 for transmission, gear Z3 meshes with Z4 for transmission, shift mechanism I switches gears Z2 and Z4; gear Z6 meshes with Z5 for transmission, gear Z8 meshes with Z7 for transmission, and shift mechanism II switches gears Z5 and Z7; Gear Z9 meshes with gear Z8 for transmission. 3. A fourth-speed gear transmission drilling winch according to claim 2, characterized in that, the shifting mechanism I and shifting mechanism II of the fourth-speed gear transmission case (7) are respectively connected with a pneumatic control system (12 ). 4. A four-speed gear transmission drilling winch according to claim 2, characterized in that the power source is a first motor (13) and a second motor (16), the first motor (13) and the second motor The motor (16) is respectively connected with both ends of the input shaft of the fourth-speed gear transmission case (7) through the third drum-shaped tooth coupling (14) and the fourth drum-shaped tooth coupling (15). 5 . The fourth-speed gear transmission drilling drawworks according to claim 4 , wherein the first motor ( 13 ) and the second motor ( 16 ) are either a DC motor or an AC motor. 6 . 6. A fourth-speed gear transmission drilling winch according to claim 5, characterized in that the first motor (13) and the second motor (16) are DC motors, and the drum shaft assembly (4) The other end of the gear is connected with an Eaton braking device (1) through a first drum-shaped tooth coupling (3). 7. A fourth-speed gear transmission drilling winch according to claim 2, wherein the power source is a diesel engine combined drive module, and the diesel engine combined drive power output end is connected with a shaft through a universal coupling (20). The end flange (19), the shaft end flange (19) is connected to one end of the input shaft of the fourth-speed gear transmission case (7); The other end of the drum shaft assembly (4) is connected with an Eaton braking device (1) through a first drum-shaped tooth coupling (3). 8 . The fourth-speed gear transmission drilling winch according to claim 7 , wherein the other end of the input shaft of the fourth-speed gear transmission case ( 7 ) is connected with a shaft end shield ( 18 ). 9 . 9 . The fourth-speed gear transmission drilling winch according to claim 1 , wherein each of the rolling hydraulic disc brake devices ( 5 ) is connected with a disc brake integrated hydraulic station ( 11 ). 10 . 10 . The fourth-speed gear transmission drilling winch according to claim 2 , wherein the other shaft of the output shaft of the fourth-speed gear transmission case ( 7 ) is connected with a speed measuring device ( 8 ). 11 .

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