Electromechanical combined drive petroleum drilling machine parallel operation transmission device

Abstract

The invention discloses an electromechanical combined drive petroleum drilling machine parallel operation transmission device which mainly comprises a motor, a diesel engine, a coupler reduction gearbox, a parallel operation box, a winch, a drilling pump, a reduction gearbox and an energy-saving generator. A transmission mode of two motors, two diesel engines and three drilling pumps is generally adopted, a power output mode of motors (or diesel engines) and a coupler reduction gearbox is adopted at a power end, and power is distributed to a winch, the drilling pumps and an energy-saving generator through a compound box. As a main power source, the motors can independently drive the winch and the drilling pump to work, and the two motors can jointly drive the winch and the drilling pump to work. The diesel engine is a standby power source, and emergency working conditions can be handled when the motor breaks down. The electromechanical combined drive petroleum drilling machine parallel operation transmission device is compact in structure, high in working efficiency, convenient to transport, capable of saving energy, environmentally friendly and wide in application prospect.

Description

Technical Field

[0001] The invention belongs to the technical field of oil drilling equipment and relates to an electromechanically driven oil drilling rig parallel transmission device. Background Art

[0002] The oil rig parallel transmission is based on the requirements of different drilling conditions, through the combination of multiple clutches disengaging and engaging, to distribute the power of the diesel engine to the winch and drilling pump. In the past, the oil rig parallel transmission device, the power output mode was all diesel engines, the speed output of the winch and drilling pump increased or decreased at the same time, and the pump stroke could not be adjusted separately. By reducing the speed of the diesel engine to achieve low pump stroke, large displacement, and high pump pressure, the power of the diesel engine would be insufficient.

[0003] The parallel transmission mostly adopts the power output form of "diesel engine + torque converter", which has low transmission efficiency and high fuel consumption of diesel engine. Especially when the drilling rig is not working at full load, the output speed of the torque converter is too high to meet the needs of drilling technology. Summary of the invention

[0004] The purpose of the present invention is to provide a mechanical and electrical combined drive oil drilling rig parallel transmission device, which solves the problem that the previous oil drilling rig parallel device cannot adjust the pump stroke independently.

[0005] The technical solution adopted by the present invention is a mechanical and electrical combined drive oil drilling rig parallel transmission device, including a parallel box, a plurality of rotating shafts are arranged in parallel in the horizontal direction in the parallel box, and a main power source, a backup power source, a drilling equipment and an energy-saving generator are respectively arranged outside the parallel box. The plurality of rotating shafts are respectively connected to the main power source, the backup power source, the drilling equipment and the energy-saving generator. A winch is connected to one end of the parallel box, and the main power source, the backup power source, the drilling equipment, the energy-saving generator and the winch transmit power to each other through chain transmission.

[0006] The present invention is also characterized in that:

[0007] The car box includes a box body, a plurality of rotating shafts are arranged in the box body, the plurality of rotating shafts include shaft No. 1, shaft No. 2, shaft No. 3, shaft No. 4, shaft No. 5, shaft No. 6, and shaft No. 7, a through hole is opened in a vertical direction at one end of the box body, a flip chain box is movably penetrated in the through hole, a first end of the flip chain box is sleeved on shaft No. 1, a second end of the flip chain box is installed with shaft No. 8, and a winch is connected to shaft No. 8 in sequence through a universal shaft, a pneumatic clutch, and a pneumatic clutch;

[0008] The power is transmitted between shaft No. 7 and shaft No. 2 through chain transmission, between shaft No. 2 and shaft No. 6 through chain transmission, between shaft No. 6 and shaft No. 4 through chain transmission, between shaft No. 4 and shaft No. 3 through chain transmission, between shaft No. 3 and shaft No. 5 through chain transmission, between shaft No. 5 and shaft No. 1 through chain transmission, and between shaft No. 1 and shaft No. 8 through chain transmission.

[0009] The main power sources include a B1 motor and a B2 motor. The working ends of the B1 motor and the B2 motor are respectively connected to a D3 coupler reducer and a D4 coupler reducer. The free end of the D3 coupler reducer is connected to shaft No. 3 through a universal joint and a pneumatic tire clutch in sequence. The free end of the D4 coupler reducer is connected to shaft No. 4 through a universal joint and a pneumatic tire clutch in sequence.

[0010] The backup power source includes an A1 diesel engine and an A2 diesel engine. The working ends of the A1 diesel engine and the A2 diesel engine are respectively connected to a D1 coupler reducer and a D2 coupler reducer. The free end of the D1 coupler reducer is connected to shaft No. 1 through a universal joint and a pneumatic tire clutch in sequence. The free end of the D2 coupler reducer is connected to shaft No. 2 through a universal joint and a pneumatic tire clutch in sequence.

[0011] The drilling equipment includes C1 drilling pump, C2 drilling pump and C3 drilling pump. The working end of C1 drilling pump is connected to shaft No. 5 through a universal joint and a pneumatic tire clutch in sequence. The working end of C2 drilling pump is connected to a reduction box, which is connected to shaft No. 6 through a universal joint and a pneumatic tire clutch in sequence. The working end of C3 drilling pump is connected to shaft No. 7 through a universal joint and a pneumatic tire clutch in sequence.

[0012] The working end of the energy-saving generator is connected to shaft No. 7 through a universal joint and a pneumatic clutch in sequence.

[0013] The upper side of one end of the box body close to the flip chain box is connected to one end of the connecting rod, and the other end of the connecting rod is hinged to the second end of the flip chain box.

[0014] The beneficial effects of the present invention are:

[0015] (1) Compared with the previous layout scheme of "three machines and two pumps" for oil rig paralleling device, the present invention adopts "four machines and three pumps" electromechanical combined drive oil rig paralleling transmission, which increases the driving force and can be applied not only to shallow sea drilling rigs, but also to deep well and ultra-deep well drilling rigs, thereby increasing the working range of the drilling rig;

[0016] (2) Compared with the power output mode of "4 diesel engines" of the previous oil drilling rig paralleling device, the present invention adopts the power output mode of "2 motors + 2 diesel engines", which can be driven by electricity or oil, thereby improving energy utilization, greatly reducing fuel costs, improving the working environment, reducing equipment maintenance, and optimizing power safety guarantee; compared with the power output mode of "4 diesel engines", the power output mode of "2 motors + 2 diesel engines" can use oil or electricity, and has a higher energy utilization rate; compared with 4 diesel engines, 2 diesel engines have lower fuel costs, less environmental pollution, and less equipment maintenance;

[0017] (3) Compared with the power output mode of "diesel engine + torque converter" of the previous oil drilling rig paralleling device, the present invention adopts the power output mode of "motor (or diesel engine) + coupling reduction box", which reduces the fuel consumption of the diesel engine, ensures the stability of the speed of the winch and drilling pump under low load, and greatly improves the drilling work efficiency;

[0018] (4) Compared with the previous arrangement of drilling pumps in oil rig paralleling devices that cannot adjust the pump stroke individually, the C2 drilling pump of the present invention can achieve individual adjustment of the pump stroke without adjusting the output speed of the diesel engine (or motor);

[0019] (5) Compared with the previous integral parallel box structure, the present invention adopts the structure of "parallel box + flip chain box", which is compact and convenient to transport, thus reducing the transportation cost of the parallel box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a top view of the structure of the mechanical and electrical combined drive oil drilling rig parallel transmission device of the present invention;

[0021] Figure 2 It is a top view of the working principle of the electromechanically driven oil drilling rig parallel transmission device of the present invention;

[0022] Figure 3 It is a top view of the internal structure of the parallel car box in the present invention;

[0023] Figure 4 This is a front view of the working state of the flip chain box in the present invention;

[0024] Figure 5 It is a front view of the transport state of the flip chain box in the present invention.

[0025] 1.A1 diesel engine, 2.A2 diesel engine, 3.B1 motor, 4.B2 motor, 5.C1 drilling pump, 6.C2 drilling pump, 7.C3 drilling pump, 8. Parallel box, 8-1.1 shaft, 8-2.2 shaft, 8-3.3 shaft, 8-4.4 shaft, 8-5.5 shaft, 8-6.6 shaft, 8-7.7 shaft, 8-8.8 shaft, 8-9. Box, 8-10. Flip chain box, 9. Energy-saving generator, 10. Winch, 11.D1 coupler reducer box, 12.D2 coupler reducer box, 13.D3 coupler reducer box, 14.D4 coupler reducer box, 15. Reducer box, 16. Connecting rod. DETAILED DESCRIPTION

[0026] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] A mechanical and electrical combined drive oil drilling rig parallel transmission device, the overall structure is as follows Figure 1 As shown, the vehicle box 8 includes a parallel car box 8, which is parallel to the horizontal direction and rotatably provided with a plurality of rotating shafts, wherein the vehicle box 8 includes a box body 8-9, and the plurality of rotating shafts are arranged in the box body 8-9, and the plurality of rotating shafts include shaft No. 1 8-1, shaft No. 2 8-2, shaft No. 3 8-3, shaft No. 4 8-4, shaft No. 5 8-5, shaft No. 6 8-6, shaft No. 7 8-7, and shaft No. 8 8;

[0028] A main power source, a backup power source, a drilling device and an energy-saving generator 9 are respectively arranged outside the parallel car box 8, and the main power source, the backup power source, the drilling device and the energy-saving generator 9 respectively penetrate the parallel car box 8 and are connected to the corresponding rotating shafts;

[0029] like Figure 1 As shown in or 2, the main power source includes B1 motor 3 and B2 motor 4. The working ends of B1 motor 3 and B2 motor 4 are respectively connected to D3 coupler reducer 13 and D4 coupler reducer 14. The free end of D3 coupler reducer 13 is connected to shaft No. 3 8-3 through a universal joint and a pneumatic clutch in sequence. The free end of D4 coupler reducer 14 is connected to shaft No. 4 8-4 through a universal joint and a pneumatic clutch in sequence.

[0030] like Figure 1 As shown in or 2, the backup power source includes an A1 diesel engine 1 and an A2 diesel engine 2. The working ends of the A1 diesel engine 1 and the A2 diesel engine 2 are respectively connected to a D1 coupler reducer 11 and a D2 coupler reducer 12. The free end of the D1 coupler reducer 11 is connected to shaft No. 1 8-1 through a universal joint and a pneumatic clutch in sequence, and the free end of the D2 coupler reducer 12 is connected to shaft No. 2 8-2 through a universal joint and a pneumatic clutch in sequence.

[0031] like Figure 1As shown in or 2, the drilling equipment includes a C1 drilling pump 5, a C2 drilling pump 6, and a C3 drilling pump 7. The working end of the C1 drilling pump 5 is connected to the No. 5 shaft 8-5 through a universal shaft and a pneumatic tire clutch in sequence. The working end of the C2 drilling pump 6 is connected to a reduction box 15, and the reduction box 15 is connected to the No. 6 shaft 8-6 through a universal shaft and a pneumatic tire clutch in sequence. The working end of the C3 drilling pump 7 is connected to the No. 7 shaft 8-7 through a universal shaft and a pneumatic tire clutch in sequence.

[0032] The working end of the energy-saving generator 9 is connected to the No. 7 shaft 8-7 through a universal joint and a pneumatic clutch in sequence.

[0033] like Figure 3 As shown, a winch 10 is connected to one end of the car box 8, and the specific connection method is: a flip chain box 8-10 is penetrated at one end of the box body 8-9, and the free end of the flip chain box 8-10 is connected to the winch 10, wherein the working end of the winch 10 is connected in sequence through a universal shaft, a pneumatic clutch and shaft No. 8 8-8.

[0034] The upper side of one end of the box body 8-9 close to the flip chain box 8-10 is connected to one end of the connecting rod 16, and the other end of the connecting rod (16) is hinged to the second end of the flip chain box (8-10).

[0035] The main power source, the backup power source, the drilling equipment, the energy-saving generator 9 and the winch 10 can transmit power to each other through chain transmission, specifically: power is transmitted between shaft No. 7 8-7 and shaft No. 2 8-2 through chain transmission, power is transmitted between shaft No. 2 8-2 and shaft No. 6 8-6 through chain transmission, power is transmitted between shaft No. 6 8-6 and shaft No. 4 8-4 through chain transmission, power is transmitted between shaft No. 4 8-4 and shaft No. 3 8-3 through chain transmission, power is transmitted between shaft No. 3 8-3 and shaft No. 5 8-5 through chain transmission, power is transmitted between shaft No. 5 8-5 and shaft No. 1 8-1 through chain transmission, and power is transmitted between shaft No. 1 8-1 and shaft No. 8 8 through chain transmission.

[0036] No matter B1 motor 3 and B2 motor 4 are working, or A1 diesel engine 1 and A2 diesel engine 2 are working, the transmission between the shafts inside the parallel box can drive shaft 7 8-7 to rotate, and then drive the energy-saving generator to work through the "pneumatic clutch + universal shaft". The energy-saving generator 9 mainly realizes the recovery of energy and makes full use of it again.

[0037] Flip chain box working status: Figure 4 As shown, after the flip chain box 8-10 is rotated counterclockwise around the No. 1 shaft 8-1 by an angle of θ, the No. 8 shaft 8-8 at the free end of the flip chain box 8-10 is connected to the winch 10 through the pneumatic clutch. At this time, the flip chain box 8-10 is fixed on the winch 10.

[0038] Flip chain box transport status: Figure 5As shown, shaft 8-8 is removed from the winch 10, and the flip chain box 8-10 is rotated clockwise around shaft 18-1 by an angle of θ. At this time, the flip chain box 8-10 is separated from the winch 10, and the free end of the flip chain box 8-10 is bound to the connecting rod 16 and fixed on the box body 8-9, so as to facilitate the transportation of the entire box 8.

[0039] Example 1

[0040] The working process of the winch driven by the main power source (motor) alone:

[0041] (1) The B1 motor 3 transmits power to the No. 3 shaft 8-3 through the D3 coupling reduction box 13, the universal shaft, and the pneumatic clutch in sequence; the No. 3 shaft 8-3 drives the No. 5 shaft 8-5 through a chain drive, the No. 5 shaft 8-5 drives the No. 1 shaft 8-1, the No. 1 shaft 8-1 drives the No. 8 shaft 8-8, and the No. 8 shaft 8-8 drives the winch 10 to work through the pneumatic clutch and the universal shaft;

[0042] (2) The B2 motor 4 transmits power to shaft No. 4 8-4 through the D4 coupling reduction box 14, the universal joint, and the pneumatic clutch in sequence; shaft No. 4 8-4 drives shaft No. 3 8-3 through a chain drive, shaft No. 3 8-3 drives shaft No. 5 8-5, shaft No. 5 8-5 drives shaft No. 1 8-1, shaft No. 1 8-1 drives shaft No. 8 8-8, and shaft No. 8 8-8 drives the winch 10 to work through the pneumatic clutch and the universal joint.

[0043] Example 2

[0044] Working process of the winch driven by the main power source (motor):

[0045] The B1 motor 3 transmits power to shaft No. 3 8-3 through the D3 coupler reducer 13, universal joint, and pneumatic clutch in sequence; at the same time, the B2 motor 4 transmits power to shaft No. 4 8-4 through the D4 coupler reducer 14, universal joint, and pneumatic clutch in sequence. Shaft No. 4 8-4 also drives shaft No. 3 8-3 through chain drive. Shaft No. 3 8-3 drives shaft No. 5 8-5. Shaft No. 5 8-5 drives shaft No. 1 8-1. Shaft No. 1 8-1 drives shaft No. 8 8-8. Shaft No. 8 8-8 drives the winch 10 to work through the pneumatic clutch and universal joint.

[0046] Example 3

[0047] Working process of the winch driven by the backup power supply (diesel engine):

[0048] The A1 diesel engine 1 drives shaft 8-1 through the D1 coupling reduction box 11, the universal shaft, and the pneumatic clutch in sequence; the A2 diesel engine 2 drives shaft 8-2 through the D2 coupling reduction box 12, the universal shaft, and the pneumatic clutch in sequence, shaft 8-2 drives shaft 8-6 through a chain drive, shaft 8-6 drives shaft 4 8-4 through a chain drive, shaft 8-4 drives shaft 3 8-3 through a chain drive, shaft 8-3 drives shaft 5 8-5 through a chain drive, shaft 8-5 drives shaft 1 8-1 through a chain drive, shaft 1 8-1 drives shaft 8-8 through a chain drive, and shaft 8-8 drives the winch 10 to work through the "pneumatic clutch + universal shaft".

[0049] Example 4

[0050] The working process of the drilling pump driven by the main power source (motor) alone:

[0051] (1) The B1 motor 3 transmits power to the No. 3 shaft 8-3 through the D3 coupling reduction box 13, the universal shaft, and the pneumatic clutch in sequence. The No. 3 shaft 8-3 drives the No. 5 shaft 8-5 through the chain drive. The No. 5 shaft 8-5 drives the C1 drilling pump 5 through the pneumatic clutch and the universal shaft.

[0052] (2) The B1 motor 3 transmits power to the No. 3 shaft 8-3 through the D3 coupling reduction box 13, the universal shaft, and the pneumatic clutch in turn. The No. 3 shaft 8-3 drives the No. 4 shaft 8-4 through a chain drive. The No. 4 shaft 8-4 drives the No. 6 shaft 8-6. The No. 6 shaft 8-6 drives the reduction box 15 through the pneumatic clutch and the universal shaft. The reduction box 15 drives the C2 drilling pump 6 to work through the pneumatic clutch and the universal shaft.

[0053] (3) The B1 motor 3 transmits power to the No. 3 shaft 8-3 through the D3 coupling reduction box 13, the universal shaft, and the pneumatic clutch in sequence. The No. 3 shaft 8-3 drives the No. 4 shaft 8-4 through the chain drive. The No. 4 shaft 8-4 drives the No. 6 shaft 8-6 through the chain drive. The No. 6 shaft 8-6 drives the No. 2 shaft 8-2 through the chain drive. The No. 2 shaft 8-2 drives the No. 7 shaft 8-7 through the pneumatic clutch and the universal shaft to drive the C3 drilling pump 7 to work.

[0054] (4) The B2 motor 4 transmits power to the No. 4 shaft 8-4 through the D4 coupling reduction box 14, the universal shaft, and the pneumatic clutch in sequence; the No. 4 shaft 8-4 drives the No. 3 shaft 8-3 through a chain drive, the No. 3 shaft 8-3 drives the No. 5 shaft 8-5 through a chain drive, and the No. 5 shaft 8-5 drives the C1 drilling pump 5 to work through the pneumatic clutch and the universal shaft.

[0055] (5) The B2 motor 4 transmits power to the No. 4 shaft 8-4 through the D4 coupling reduction box 14, the universal shaft, and the pneumatic clutch in sequence; the No. 4 shaft 8-4 drives the No. 6 shaft 8-6 through a chain drive, and the No. 6 shaft 8-6 drives the reduction box 15 through the pneumatic clutch and the universal shaft, and the reduction box 15 drives the C2 drilling pump 6 to work through the universal shaft.

[0056] (6) The B2 motor 4 transmits power to shaft No. 4 8-4 through the D4 coupling reduction box 14, the universal shaft, and the pneumatic clutch in sequence; shaft No. 4 8-4 drives shaft No. 6 8-6 through a chain drive, shaft No. 6 8-6 drives shaft No. 2 8-2 through a chain drive, shaft No. 2 8-2 drives shaft No. 7 8-7 through a chain drive, and shaft No. 7 8-7 drives C3 drilling pump 7 to work through the pneumatic clutch and the universal shaft.

[0057] Working process of the drilling pump driven by the backup power supply (diesel engine):

[0058] (1) The A1 diesel engine 1 drives shaft 8-1 through the D1 coupling reduction box 11, the universal shaft, and the pneumatic clutch in sequence, and shaft 8-1 drives shaft 8-5 through a chain drive; the A2 diesel engine 2 drives shaft 8-2 through the D2 coupling reduction box 12, the universal shaft, and the pneumatic clutch in sequence, and shaft 8-2 drives shaft 8-6 through a chain drive, and shaft 8-6 drives shaft 3 through a chain drive, and shaft 8-3 drives shaft 2 through a chain drive, and shaft 2 drives shaft 8-5 through a chain drive, and shaft 8-5 drives C1 drilling pump 5 through a pneumatic clutch and a universal shaft.

[0059] (2) The A1 diesel engine 1 drives shaft 8-1 through the D1 coupling reduction box 11, the universal shaft, and the pneumatic clutch in sequence; shaft 8-1 drives shaft 8-5 through a chain drive; shaft 8-5 drives shaft 8-3 through a chain drive; shaft 8-3 drives shaft 8-4 through a chain drive; shaft 8-4 drives shaft 6 through a chain drive; the A2 diesel engine 2 drives shaft 8-2 through the D2 coupling reduction box 12, the universal shaft, and the pneumatic clutch in sequence; shaft 8-2 drives shaft 6 through a chain drive 2; shaft 8-6 drives reduction box 15 through a pneumatic clutch and the universal shaft; reduction box 15 drives C2 drilling pump 6 through the universal shaft.

[0060] (3) The A1 diesel engine 1 drives shaft 8-1 through the D1 coupling reduction box 11, the universal shaft, and the pneumatic clutch in sequence; shaft 8-1 drives shaft 8-5 through a chain drive; shaft 8-5 drives shaft 8-3 through a chain drive; shaft 8-3 drives shaft 8-4 through a chain drive; shaft 8-4 drives shaft 8-6 through a chain drive; shaft 8-6 drives shaft 8-2 through a chain drive; the A2 diesel engine 2 drives shaft 8-2 through the D2 coupling reduction box 12, the universal shaft, and the pneumatic clutch in sequence; shaft 8-2 drives shaft 8-7 through a chain drive; shaft 8-7 drives C3 drilling pump 7 through the "pneumatic clutch + universal shaft".

Claims

1. An electromechanical combined drive oil drilling rig parallel transmission device, characterized in that: The utility model comprises a parallel car box (8), wherein a plurality of rotating shafts are arranged in parallel in a horizontal direction inside the parallel car box (8), a main power source, a backup power source, drilling equipment and an energy-saving generator (9) are arranged outside the parallel car box (8), and the plurality of rotating shafts are respectively connected to the main power source, the backup power source, the drilling equipment and the energy-saving generator (9), and a winch (10) is connected to one end of the parallel car box (8), and the main power source, the backup power source, the drilling equipment, the energy-saving generator (9) and the winch (10) transmit power to each other through chain transmission.

2. According to the electromechanical combined drive oil drilling rig parallel transmission device of claim 1, it is characterized in that: The parallel car box (8) comprises a box body (8-9), the plurality of rotating shafts are arranged in the box body (8-9), the plurality of rotating shafts include a No. 1 shaft (8-1), a No. 2 shaft (8-2), a No. 3 shaft (8-3), a No. 4 shaft (8-4), a No. 5 shaft (8-5), a No. 6 shaft (8-6), and a No. 7 shaft (8-7), one end of the box body (8-9) is provided with a through hole in a vertical direction, a flip chain box (8-10) is movably penetrated in the through hole, a first end of the flip chain box (8-10) is sleeved on the No. 1 shaft (8-1), a No. 8 shaft (8-8) is installed on the second end of the flip chain box (8-10), and the winch (10) is connected to the No. 8 shaft (8-8) in sequence through a universal shaft, a pneumatic clutch, and the No. 8 shaft (8-8); The power is transmitted between the No. 7 shaft (8-7) and the No. 2 shaft (8-2) through a chain transmission, the power is transmitted between the No. 2 shaft (8-2) and the No. 6 shaft (8-6) through a chain transmission, the power is transmitted between the No. 6 shaft (8-6) and the No. 4 shaft (8-4) through a chain transmission, the power is transmitted between the No. 4 shaft (8-4) and the No. 3 shaft (8-3) through a chain transmission, the power is transmitted between the No. 3 shaft (8-3) and the No. 5 shaft (8-5) through a chain transmission, the power is transmitted between the No. 5 shaft (8-5) and the No. 1 shaft (8-1) through a chain transmission, and the power is transmitted between the No. 1 shaft (8-1) and the No. 8 shaft (8-8) through a chain transmission.

3. The electromechanically driven oil drilling rig parallel transmission device according to claim 2 is characterized in that: The main power source comprises a B1 motor (3) and a B2 motor (4); the working ends of the B1 motor (3) and the B2 motor (4) are respectively connected to a D3 coupler reduction box (13) and a D4 coupler reduction box (14); the free end of the D3 coupler reduction box (13) is connected to the No. 3 shaft (8-3) via a universal joint and a pneumatic clutch in sequence; the free end of the D4 coupler reduction box (14) is connected to the No. 4 shaft (8-4) via a universal joint and a pneumatic clutch in sequence.

4. The electromechanically driven oil drilling rig parallel transmission device according to claim 2 is characterized in that: The backup power source comprises an A1 diesel engine (1) and an A2 diesel engine (2). The working ends of the A1 diesel engine (1) and the A2 diesel engine (2) are respectively connected to a D1 coupler reduction box (11) and a D2 coupler reduction box (12). The free end of the D1 coupler reduction box (11) is connected to the No. 1 shaft (8-1) via a universal joint and a pneumatic clutch in sequence. The free end of the D2 coupler reduction box (12) is connected to the No. 2 shaft (8-2) via a universal joint and a pneumatic clutch in sequence.

5. The electromechanically driven oil drilling rig parallel transmission device according to claim 2 is characterized in that: The drilling equipment comprises a C1 drilling pump (5), a C2 drilling pump (6), and a C3 drilling pump (7); the working end of the C1 drilling pump (5) is connected to the No. 5 shaft (8-5) via a universal shaft and a pneumatic clutch in sequence; the working end of the C2 drilling pump (6) is connected to a reduction box (15); the reduction box (15) is connected to the No. 6 shaft (8-6) via a universal shaft and a pneumatic clutch in sequence; the working end of the C3 drilling pump (7) is connected to the No. 7 shaft (8-7) via a universal shaft and a pneumatic clutch in sequence.

6. The electromechanically driven oil drilling rig parallel transmission device according to claim 2, characterized in that: The working end of the energy-saving generator (9) is connected to the No. 7 shaft (8-7) via a universal shaft and a pneumatic clutch in sequence.

7. The electromechanically driven oil drilling rig parallel transmission device according to claim 2, characterized in that: The upper side of one end of the box body (8-9) close to the flip chain box (8-10) is connected to one end of the connecting rod (16), and the other end of the connecting rod (16) is hinged to the second end of the flip chain box (8-10).

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