CN101126301A - Petroleum drill low-voltage AC driving device - Google Patents
Petroleum drill low-voltage AC driving device Download PDFInfo
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- CN101126301A CN101126301A CNA2007100185578A CN200710018557A CN101126301A CN 101126301 A CN101126301 A CN 101126301A CN A2007100185578 A CNA2007100185578 A CN A2007100185578A CN 200710018557 A CN200710018557 A CN 200710018557A CN 101126301 A CN101126301 A CN 101126301A
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Abstract
The invention relates to a low-voltage alternating-current driving device for the oil well rig, which consists of a portable high-voltage power transformation device, a portable soft start control device, a low-voltage AC motor and a hydraulic speed-governing box. The high-voltage input end of the portable high-voltage power transformation device is connected with a high-voltage power supply, a low-voltage output port is connected with the input end of the portable soft start control device; the output end of the portable soft start control device is connected with the power end of the low-voltage AC motor which is arranged at a rear platform of the oil well rig and the main shaft of the low-voltage AC motor is connected with a power input shaft at the rear platform of the oil well rig by a hydraulic speed-governing box. The invention can replace a diesel engine to directly drive the rig, the invention is environment-protective, energy-saving and has the advantages of large power, low noise, small energy consumption, no pollution, high efficiency and so on; also the invention realizes the electrification of the oil well rig and the stepless speed control, improves the operational continuity, safety and reliability of the rig, considerably reduces the rig cost and improves the economic benefit.
Description
Technical field
The present invention relates to a kind of petroleum drill low-voltage AC driving device.Be mainly used in the oil-well rig and the workover rig of onshore oil field all size model.
Background technology
Present domestic land oil rig mostly adopts Diesel Driven, and the AC frequency conversion electric drive rig from external introduction also is that diesel power generation drives rig on a small quantity, and energy consumption is big, efficient is low, efficient is 75%-80% only, and bit speed is slow, the fault rate height, often stop to bore maintenance, and dry sound is big, contaminated environment, labor strength height, cause drilling cost and expense big, operating efficiency and economic benefit all effected.
Summary of the invention
The technical problem that the present invention solves: design a kind of petroleum drill low-voltage AC driving device, adopt the low-voltage alternating-current motor to drive oil-well rig, overcome diesel-driven every drawback, cost of production is low, the drilling efficiency height, easy care, pollution-free, labor strength is low, safe, improved the overall performance of oil-well rig.
Technical solution of the present invention: a kind of petroleum drill low-voltage AC driving device, by portable high-voltage transforming device, portable control of soft device, low-voltage alternating-current motor and hydraulic speed-regulating case are formed, the high voltage input terminal of portable high-voltage transforming device connects high voltage source, low-voltage output connects the input of portable control of soft device, the power end of the output termination low-voltage AC machine of portable control of soft device, the low-voltage alternating-current motor is arranged on the backstage of oil-well rig, and the main shaft of low-voltage alternating-current motor connects with power input shaft on the oil-well rig backstage by the hydraulic speed-regulating case.
Described portable high-voltage transforming device is by the automatically controlled room of movable type (1), the service entrance switch cabinet (2), dry-type transformer (3) and the outlet switchboard (4) that are arranged in the portable automatically controlled room (1) are formed, the input termination high voltage source of service entrance switch cabinet (2), the output termination dry-type transformer (3) of service entrance switch cabinet (2) elementary, the input of the secondary leading-out wire switchboard (4) of dry-type transformer (3), the input of the portable control of soft device of the output termination of outlet switchboard (4); Portable control of soft device is by the automatically controlled room of movable type (5), the service entrance switch cabinet (6) and the soft start runner cabinet (7) that are arranged in the portable automatically controlled room (5) are formed, the output of portable automatically controlled room (1) the interior outlet switchboard of the input termination of service entrance switch cabinet (6) (4), the input of the output termination soft start runner cabinet (7) of service entrance switch cabinet (6), the output termination of soft start runner cabinet (7) connects the power end of low-voltage alternating-current motor.
Also be provided with the station in the automatically controlled room of described movable type (1) and shield (13) with electric screen (12) and main transformer protection; Also be provided with transformer incoming line cabinet (8) in the portable automatically controlled room (5); transformer outlet cabinet (9); building-out capacitor cabinet (10) and dry-type transformer (11); the input of transformer incoming line cabinet (8) taps into the output of wiretap cabinet (6); the input of the output termination building-out capacitor cabinet (10) of transformer incoming line cabinet (8); the output termination dry-type transformer (11) of building-out capacitor cabinet (10) elementary; secondary transformer outlet cabinet (9) input that connects of dry-type transformer (11), transformer outlet cabinet (9) output are gone to the station to meet somebody with the power end of electric screen (12) and main transformer protection screen (13)
Be provided with three thin-skinned starting operation cabinets (7) in the automatically controlled room of described movable type (5), three low-voltage alternating-current motors (14) are arranged on the backstage of oil-well rig, the output of three thin-skinned starting operation cabinets (7) connects the power end of three low-voltage alternating-current motors (14) respectively, and the main shaft of three low-voltage alternating-current motors (14) connects with three power input shafts on the oil-well rig backstage by three hydraulic speed-regulating casees (15) respectively.
Advantage that the present invention compared with prior art has and effect:
1, the present invention directly inserts the oil field high-voltage fence, through portable high-voltage transforming device, portable soft start-up control device, become low-tension supply by high voltage source and insert group of motors, work by hydraulic speed-regulating case speed governing rear drive rig mechanical system, realize the reduced-voltage starting of motor, guaranteed realization mechanical, electrical, liquid integrated function.
2, the present invention substitutes diesel engine and directly drives rig, change traditional oil-well rig Diesel Driven into Motor Drive, thoroughly solved diesel-driven every defective, environment-friendly and energy-efficient, it is big to have power, noise is low, energy consumption is little, and is pollution-free, the efficient advantages of higher, the motorized and the infinitely variable speeds of oil-well rig have been realized, improved continuity, safety and the reliability of rig work, greatly reduced rig cost, through measuring and calculating, every bench drill machine year is saved about more than 500 ten thousand yuan of expense, has improved economic benefit greatly.
Description of drawings
Fig. 1 is a block diagram of the present invention,
Fig. 2 is circuit theory diagrams of the present invention,
Fig. 3 is the portable high voltage variable pressure device of the present invention structural representation,
Fig. 4 is the portable soft start-up control device structural representation of the present invention,
Fig. 5 connects schematic diagram for motor power of the present invention.
The specific embodiment:
1,2,3,4,5 a kind of embodiment of the present invention is described in conjunction with the accompanying drawings
A kind of petroleum drill low-voltage AC driving device is made up of portable high-voltage transforming device, portable control of soft device, low-voltage alternating-current motor and hydraulic speed-regulating case.Portable high-voltage transforming device is arranged on portable automatically controlled room (1) interior service entrance switch cabinet (2), dry-type transformer (3), outlet switchboard (4), is stood and form with electric screen (12) and main transformer protection screen (13) by the automatically controlled room of movable type (1).The input termination high voltage source of service entrance switch cabinet (2), the output termination dry-type transformer (3) of service entrance switch cabinet (2) elementary, the input of the secondary leading-out wire switchboard (4) of dry-type transformer (3), the input of the portable control of soft device of the output termination of outlet switchboard (4).Portable control of soft device is by the automatically controlled room of movable type (5), and the service entrance switch cabinet (6), three thin-skinned starting operation cabinets (7), transformer incoming line cabinet (8), transformer outlet cabinet (9), building-out capacitor cabinet (10) and the dry-type transformer (11) that are arranged in the portable automatically controlled room (5) are formed.The output of portable automatically controlled room (1) the interior outlet switchboard of the input termination of service entrance switch cabinet (6) (4), the output of service entrance switch cabinet (6) connects the input of three thin-skinned starting operation cabinets (7) respectively, three low-voltage alternating-current motors (14) are arranged on the backstage of oil-well rig, the output of three thin-skinned starting operation cabinets (7) connects the power end of three low-voltage alternating-current motors (14) respectively, and the main shaft of three low-voltage alternating-current motors (14) connects with three power input shafts on the oil-well rig backstage by three hydraulic speed-regulating casees (15) respectively.The input of transformer incoming line cabinet (8) taps into the output of wiretap cabinet (6); the input of the output termination building-out capacitor cabinet (10) of transformer incoming line cabinet (8); the output termination dry-type transformer (11) of building-out capacitor cabinet (10) elementary; secondary transformer outlet cabinet (9) input that connects of dry-type transformer (11), the power end of (13) is shielded at the station in transformer outlet cabinet (9) the output automatically controlled room of termination (1) with electric screen (12) and main transformer protection.
Operating principle: oilfield electric net 35KV high voltage source inserts high pressure service entrance switch cabinet (2) with cable mode, after transformer (3) step-down, become the 0.69KV low-tension supply, 0.69KV low-tension supply inserts soft start runner cabinet (7) through low pressure outlet switchboard (4), low pressure service entrance switch cabinet (6) with cable mode, when guaranteeing electric motor starting electrical network is not had big impact, the power output end of soft start runner cabinet (7) connects the power end of low-voltage alternating-current motor (14).Low-voltage alternating-current motor (14) is installed on the former diesel engine position on rig backstage, connects by the universal drive shaft on hydraulic speed-regulating case (15) and the rig backstage.The low-voltage alternating-current motor drives the hydraulic speed-regulating case, works through hydraulic speed-regulating case speed governing rear drive rig mechanical system.
Claims (4)
1. petroleum drill low-voltage AC driving device, it is characterized in that: described low-voltage AC driving device is by portable high-voltage transforming device, portable control of soft device, low-voltage alternating-current motor and hydraulic speed-regulating case are formed, the high voltage input terminal of portable high-voltage transforming device connects high voltage source, low-voltage output connects the input of portable control of soft device, the power end of the output termination low-voltage AC machine of portable control of soft device, the low-voltage alternating-current motor is arranged on the backstage of oil-well rig, and the main shaft of low-voltage alternating-current motor connects with power input shaft on the oil-well rig backstage by the hydraulic speed-regulating case.
2. petroleum drill low-voltage AC driving device according to claim 1, it is characterized in that: portable high-voltage transforming device is by the automatically controlled room of movable type (1), be arranged on the service entrance switch cabinet (2) in the portable automatically controlled room (1), dry-type transformer (3) and outlet switchboard (4) are formed, the input termination high voltage source of service entrance switch cabinet (2), the output termination dry-type transformer (3) of service entrance switch cabinet (2) elementary, the input of the secondary leading-out wire switchboard (4) of dry-type transformer (3), the input of the portable control of soft device of the output termination of outlet switchboard (4); Portable control of soft device is by the automatically controlled room of movable type (5), the service entrance switch cabinet (6) and the soft start runner cabinet (7) that are arranged in the portable automatically controlled room (5) are formed, the output of portable automatically controlled room (1) the interior outlet switchboard of the input termination of service entrance switch cabinet (6) (4), the input of the output termination soft start runner cabinet (7) of service entrance switch cabinet (6), the output termination of soft start runner cabinet (7) connects the power end of low-voltage alternating-current motor.
3. oil-well rig high-tension electricity drive unit according to claim 2 is characterized in that: also be provided with the station in the portable automatically controlled room (1) and shield (13) with electric screen (12) and main transformer protection; Also be provided with transformer incoming line cabinet (8) in the portable automatically controlled room (5); transformer outlet cabinet (9); building-out capacitor cabinet (10) and dry-type transformer (11); the input of transformer incoming line cabinet (8) taps into the output of wiretap cabinet (6); the input of the output termination building-out capacitor cabinet (10) of transformer incoming line cabinet (8); the output termination dry-type transformer (11) of building-out capacitor cabinet (10) elementary; secondary transformer outlet cabinet (9) input that connects of dry-type transformer (11), transformer outlet cabinet (9) output are gone to the station to meet somebody with the power end of electric screen (12) and main transformer protection screen (13).
4. according to claim 2 or 3 described oil-well rig high-tension electricity drive units, it is characterized in that: be provided with three thin-skinned starting operation cabinets (7) in the portable automatically controlled room (5), three low-voltage alternating-current motors (14) are arranged on the backstage of oil-well rig, the output of three thin-skinned starting operation cabinets (7) connects the power end of three low-voltage alternating-current motors (14) respectively, and the main shaft of three low-voltage alternating-current motors (14) connects with three power input shafts on the oil-well rig backstage by three hydraulic speed-regulating casees (15) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100185578A CN101126301A (en) | 2007-08-07 | 2007-08-07 | Petroleum drill low-voltage AC driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100185578A CN101126301A (en) | 2007-08-07 | 2007-08-07 | Petroleum drill low-voltage AC driving device |
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| Publication Number | Publication Date |
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| CN101126301A true CN101126301A (en) | 2008-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100185578A Pending CN101126301A (en) | 2007-08-07 | 2007-08-07 | Petroleum drill low-voltage AC driving device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840096A (en) * | 2016-04-19 | 2016-08-10 | 宝鸡金钻石油机械股份有限公司 | Low-voltage alternating-current variable-frequency electric driven petroleum drilling rig adopting network source |
| CN105840095A (en) * | 2016-04-19 | 2016-08-10 | 宝鸡金钻石油机械股份有限公司 | High-voltage alternating-current variable-frequency electric driven petroleum drilling rig adopting network source |
| CN105840097A (en) * | 2016-04-19 | 2016-08-10 | 宝鸡金钻石油机械股份有限公司 | Low-voltage alternating-current electric driven stepless-speed regulation petroleum drilling rig adopting network source |
| CN105840094A (en) * | 2016-04-19 | 2016-08-10 | 宝鸡金钻石油机械股份有限公司 | High-voltage alternating-current electric driven stepless speed regulation petroleum drilling rig adopting network source |
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
-
2007
- 2007-08-07 CN CNA2007100185578A patent/CN101126301A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840096A (en) * | 2016-04-19 | 2016-08-10 | 宝鸡金钻石油机械股份有限公司 | Low-voltage alternating-current variable-frequency electric driven petroleum drilling rig adopting network source |
| CN105840095A (en) * | 2016-04-19 | 2016-08-10 | 宝鸡金钻石油机械股份有限公司 | High-voltage alternating-current variable-frequency electric driven petroleum drilling rig adopting network source |
| CN105840097A (en) * | 2016-04-19 | 2016-08-10 | 宝鸡金钻石油机械股份有限公司 | Low-voltage alternating-current electric driven stepless-speed regulation petroleum drilling rig adopting network source |
| CN105840094A (en) * | 2016-04-19 | 2016-08-10 | 宝鸡金钻石油机械股份有限公司 | High-voltage alternating-current electric driven stepless speed regulation petroleum drilling rig adopting network source |
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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Application publication date: 20080220 |