CN203035072U - Power system of drilling machine - Google Patents

Abstract

The utility model discloses a power system of a drilling machine. The power system of the drilling machine comprises a diesel engine (15), an electric motor A (16), an electric motor B (17), a compound box, a winch (18), a slurry pump A (19) and a slurry pump B (20), wherein a boss rod of the electric motor A (16) is connected with an input shaft A (2), a boss rod of the diesel engine (15) is connected with an input shaft B (3), a boss rod of an electric motor C is connected with an input shaft C (4), an output shaft A (5) is connected with the winch (18), an output shaft B (6) is connected with the slurry pump A (19), and an output shaft C (7) is connected with the slurry pump B (20). The power system of the drilling machine has the advantages that the energy-saving effect is remarkably improved, the noise can be effectively reduced, and zero release of lampblack can be achieved. Due to the fact that a hydrodynamic coupling is adopted, impact and vibration can be eliminated, the overload protective value and the starting performance are good, a compound chain box can be achieved, the transmission is soft, and functions of antivibration and vibration isolation are provided.

Description

A kind of rig dynamical system

Technical field

The utility model relates to the oil drilling equipment technical field, particularly a kind of rig dynamical system.

Background technology

Rig is that petroleum exploration and development must be used equipment, drilling equipment is the energy consumption equipment of oil field development maximum, at present, the capital equipment of powering for drilling equipment is generator, all use Diesel Driven mostly, the consumption of diesel oil every day is big, and working amount of periodical repair is also bigger, soot and the nitrogen oxide of ton have produced very big pollution to environment surplus the moon discharging 10.Large quantities of diesel engines of while, because ageing equipment, consumption diesel oil, machine oil increase year by year, drilling well operation and maintenance cost is high.In addition, situ of drilling well is many to be positioned at densely populated zone, when producing enormous motivation during the diesel engine unit running, has also produced and surpasses 122 decibels noise.Like this, highly energy-consuming, high pollution, expensive, characteristics that high noisy has just formed conventional drilling equipment.

At present the rig overwhelming majority used of each oil field of China be many diesel engines as drive unit, the power packages of existing oil-well rig is separate, it is bigger to take up room; Also have by belt or chain many diesel engines and car are driven rig.Existing type of drive is less economical, big for environment pollution, fault is many, technical backwardness, and diesel engine complex structure, be prone to fault, poor reliability, run, drip, leak are serious, noise is big, the type of drive of such rig can not satisfy reliably, environmental protection, efficiently, requirement cheaply.

The utility model content

The purpose of this utility model is to overcome the shortcoming of prior art, and a kind of rig dynamical system that improves the rig reliability, reduces drilling cost is provided.

The purpose of this utility model is achieved through the following technical solutions: a kind of rig dynamical system, it comprises diesel engine, motor A, motor B, compound box, winch, slush pump A and slurry pump B, described compound box comprises casing, and be installed on power shaft A on the casing by bearing, power shaft B, power shaft C, output shaft A, output shaft B and output shaft C, power shaft A connects output shaft A and output shaft B respectively by chain, power shaft B connects output shaft B and power shaft C respectively by chain, power shaft C also connects output shaft C by chain, power shaft A is provided with shift fork A between the sprocket wheel that connects output shaft A and output shaft B respectively, power shaft C is provided with shift fork B between the sprocket wheel that connects power shaft B and output shaft C respectively, power shaft A, the end that power shaft B and power shaft C are positioned at the casing outside all is connected with fluid coupling, the arbor of motor A is connected with power shaft A by fluid coupling, the arbor of diesel engine is connected with power shaft B by fluid coupling device, the arbor of motor C is connected with power shaft C by fluid coupling device, output shaft A connects winch, output shaft B connects slush pump A, and output shaft C connects slurry pump B.

Described fluid coupling comprises driving shaft, turbine, pump impeller and driven shaft, driving shaft is connected with turbine, the end of driven shaft is connected with turbine by bearing, and driven shaft is connected with pump impeller, and power shaft A, power shaft B and power shaft C all are connected with the driving shaft of corresponding fluid coupling.

The utlity model has following advantage: the utility model utilizes industrial electrical network to substitute diesel engine as drilling well power, and energy-saving effect promotes significantly, and noise effectively reduces, and oil smoke is also realized zero-emission.Through improved rig, noise descends 20%, is lower than 100 decibels, and month soot emissions and nitrogen oxide are also realized zero-emission, and diesel engine is replaced by motor in addition, has avoided phenomenons such as manual maintenance and diesel oil run, drip, leak, has prevented the pollution to environment.Under identical operating mode, the utility model is compared existing rig dynamical system energy consumption cost can save 40% at least, for example a 70LDB rig uses diesel engine to do power and consumed 140 tons of diesel oil in every month, the utility model utilization net electricity provides identical power, 66.7 ten thousand kilowatt hours that power consumption is about every month, every bench drill machine can be reduced expenses more than 50 ten thousand yuan in every month.Kept a diesel engine simultaneously as standby, even when motor can't use, available diesel engine provides power for rig.Adopt fluid coupling, fluid coupling driving shaft and driven shaft between centers do not exist between working component to be rigidly connected by liquid communication, can eliminate shock and vibration, overload protection performance and starting performance are good, and driving shaft is still rotatable during the excessive and stall of load, the unlikely damage that causes motor; The utility model adopts flexible transmission to realize chain and car, and transmission is soft, has good vibrationproof and vibration isolation effect, can prolong motor to the application life of working machine armamentarium, reduces the equipment operation expense; Adopt fluid coupling, transmission efficiency height, and absorbed power not when unloaded can reduce energy consumption; Be provided with shift fork, convenient control both can also can have many power to be equipped with or the energy supply of many equipment setting up jointly by independent power to the specific installation function.

Description of drawings

Fig. 1 is structural representation of the present utility model

Fig. 2 is the structural representation of fluid coupling of the present utility model

Among the figure, 1-casing, 2-power shaft A, 3-power shaft B, 4-power shaft C, 5-output shaft A, 6-output shaft B, 7-output shaft C, 8-shift fork A, 9-shift fork B, 10-fluid coupling, 11-driving shaft, the 12-turbine, 13-pump impeller, 14-driven shaft, the 15-diesel engine, 16-motor A, 17-motor B, the 18-winch, 19-slush pump A, 20-slurry pump B.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described, protection domain of the present utility model is not limited to the following stated:

As shown in Figure 1, a kind of rig dynamical system, it comprises diesel engine 15, motor A16, motor B17, compound box, winch 18, slush pump A19 and slurry pump B 20, described compound box comprises casing 1, and be installed on power shaft A2 on the casing 1 by bearing, power shaft B3, power shaft C4, output shaft A5, output shaft B6 and output shaft C7, power shaft A2 connects output shaft A5 and output shaft B6 respectively by chain, power shaft B3 connects output shaft B6 and power shaft C4 respectively by chain, power shaft C4 also connects output shaft C7 by chain, power shaft A2 is provided with shift fork A8 between the sprocket wheel that connects output shaft A5 and output shaft B6 respectively, power shaft C4 is provided with shift fork B9 between the sprocket wheel that connects power shaft B3 and output shaft C7 respectively, power shaft A2, the end that power shaft B3 and power shaft C4 are positioned at casing 1 outside all is connected with fluid coupling 10, the arbor of motor A16 is connected with power shaft A2 by fluid coupling 10, the arbor of diesel engine 15 is connected with power shaft B3 by fluid coupling device, the arbor of motor C is connected with power shaft C4 by fluid coupling device, output shaft A5 connects winch 18, output shaft B6 connects slush pump A19, and output shaft C7 connects slurry pump B 20.

Described fluid coupling 10 comprises driving shaft 11, turbine 12, pump impeller 13 and driven shaft 14, driving shaft 11 is connected with turbine 12, the end of driven shaft 14 is connected with turbine 12 by bearing, driven shaft 14 is connected with pump impeller 13, and power shaft A2, power shaft B3 and power shaft C4 all are connected with the driving shaft 11 of corresponding fluid coupling 10.

The course of work of the present utility model is as follows: during work, in compound box, provide power by fluid coupling 10 respectively by motor A16 and motor B17, owing to be equipped with shift fork on power shaft A2 and the power shaft B3, therefore realized both can being winch 18 separately by motor A16 or motor B17, slush pump A19, slurry pump B 20 provides power, also can motor A16 and motor B17 simultaneously to winch 18, slush pump A19, slurry pump B 20 provides power, when motor A16 and motor B17 can not work, can start standby diesel engine 15 to winch 18, slush pump A19, slurry pump B 20 provides power.And adopt fluid coupling 10 that the output shaft of engine is connected with the power shaft of compounding transmission, fluid coupling 10 by the blade of liquid and pump impeller 13, turbine 12 the interact variation of generation momentum distance transmit moment of torsion, pump impeller 13 is converted into the mechanical energy of motor the kinetic energy of hydraulic oil, turbine 12 is transformed into mechanical energy with the kinetic energy of hydraulic oil again, drive load by driven shaft 14,14 of fluid coupling 10 driving shafts 11 and driven shafts lean on liquid communication, do not exist between working component to be rigidly connected; Can eliminate shock and vibration; Output speed is lower than input speed, and the speed discrepancy of diaxon increases with the increase of load; Overload protection performance and starting performance are good, and driving shaft 11 is still rotatable during the excessive and stall of load, and the unlikely overload of motor that causes is damaged; When load reduced, driven shaft 14 rotating speeds increased up to the rotating speed near driving shaft 11, and the transmission moment of torsion is gone to zero.Continuously change pressure medium, output speed can obtain being lower than the step-less adjustment of input speed.

Claims (2)

1. rig dynamical system, it is characterized in that: it comprises diesel engine (15), motor A(16), motor B(17), compound box, winch (18), slush pump A(19) and slurry pump B (20), described compound box comprises casing (1), and be installed on power shaft A(2 on the casing (1) by bearing), power shaft B(3), power shaft C(4), output shaft A(5), output shaft B(6) and output shaft C(7), power shaft A(2) connect output shaft A(5 respectively by chain) and output shaft B(6), power shaft B(3) connect output shaft B(6 respectively by chain) and power shaft C(4), power shaft C(4) also connects output shaft C(7 by chain), power shaft A(2) be positioned at connect output shaft A(5 respectively) and output shaft B(6) sprocket wheel between be provided with shift fork A(8), power shaft C(4) be positioned at connect power shaft B(3 respectively) and output shaft C(7) sprocket wheel between be provided with shift fork B(9), power shaft A(2), power shaft B(3) and power shaft C(4) be positioned at the outside end of casing (1) and all be connected with fluid coupling (10), motor A(16) arbor is by fluid coupling (10) and power shaft A(2) be connected, the arbor of diesel engine (15) is by fluid coupling device and power shaft B(3) be connected, the arbor of motor C is by fluid coupling device and power shaft C(4) be connected, output shaft A(5) connects winch (18), output shaft B(6) connect slush pump A(19), output shaft C(7) connection slurry pump B (20).

2. a kind of rig dynamical system according to claim 1, it is characterized in that: described fluid coupling (10) comprises driving shaft (11), turbine (12), pump impeller (13) and driven shaft (14), driving shaft (11) is connected with turbine (12), the end of driven shaft (14) is connected with turbine (12) by bearing, driven shaft (14) is connected power shaft A(2 with pump impeller (13)), power shaft B(3) with power shaft C(4) all be connected with the driving shaft (11) of corresponding fluid coupling (10).

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