CN202157796U - Electric control system for drilling machine - Google Patents
Electric control system for drilling machine Download PDFInfo
- Publication number
- CN202157796U CN202157796U CN2011202654793U CN201120265479U CN202157796U CN 202157796 U CN202157796 U CN 202157796U CN 2011202654793 U CN2011202654793 U CN 2011202654793U CN 201120265479 U CN201120265479 U CN 201120265479U CN 202157796 U CN202157796 U CN 202157796U
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- control system
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- rectification unit
- electric control
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Abstract
The utility model discloses an electric control system for a drilling machine, which belongs to the power supply control technology of petroleum drilling machines and comprises a primary power generation system, an automatic drill feeding electric control system, a rectifying unit connected with the primary power generation system, a sludge pump electric control system, a rotary table electric control system and a winch electric control system. The rectifying unit is respectively connected with the sludge pump electric control system, the rotary table electric control system and the winch electric control system. The automatic drill feed system is in parallel connection with a branch circuit where the rectifying unit and the winch electric control system are arranged. The electric control system for the drilling machine is reasonable in design, convenient to operate, stable and reliable in performance and capable of providing reliable power supply for each load device of a petroleum drilling machine, guaranteeing long time stable working of each load device and having high practicability value.
Description
Technical field
The utility model relates to electric-control system, specifically, relates to a kind of rig electric-control system that is used for the oil-well rig power supply.
Background technology
The working environment of oil-well rig generally all in the open air; Guaranteeing it works steadily in the long term; The stability of its electric-control system and reliability are very important; Especially to the power supply of slush pump, winch, rotating disk and rig, should should possess good performance at aspects such as temperature, humidity, antidetonation, anti-blown sands.Simultaneously, the drilling speed of rig and the pressure of the drill directly have influence on and creep into quality, in case drilling speed, the pressure of the drill are unstable, problems such as drilling string not well braked, bit freezing just very likely occur.
Summary of the invention
The purpose of the utility model is to provide a kind of rig electric-control system, realizes the normal power supply to borer system, and reaches and prevent drilling string not well braked, bit freezing and improve drilling speed and creep into the purpose of quality.
To achieve these goals, the technical scheme of the utility model employing is following:
The rig electric-control system; Comprise main electricity generation system, automatic bit feed electric-control system; The rectification unit that is connected with this main electricity generation system; And the slush pump electric-control system that is connected with this rectification unit respectively, rotating disk electric-control system and winch electric-control system, said automatic bit feed electric-control system is parallelly connected with rectification unit and winch electric-control system place branch road.
Specifically, said main electricity generation system comprises three interchange diesel generating sets parallel with one another, and the model of said interchange diesel generating set is CAT3512B.
Be provided with line breaker between said rectification unit and the main electricity generation system.
Further, said slush pump electric-control system comprises the slush pump motor, with the frequency conversion tank that is connected rectification unit and this slush pump motor; Said rotating disk electric-control system comprises rotary tray motor, with the frequency conversion tank that is connected rectification unit and this rotary tray motor; Said winch electric-control system comprises winch motor, with the frequency conversion tank that is connected rectification unit and this winch motor.Frequency conversion tank through being provided with has respectively realized the power supply of slush pump motor, winch motor and rotary tray motor is controlled respectively, thereby has improved the stability and the reliability of whole system greatly.
The automatic bit feed cabinet that said automatic bit feed electric-control system comprises mutual series connection with send the brill motor, and the input of automatic bit feed cabinet is connected with the input of rectification unit, send the output of brill motor then to pass through clutch and is connected with the output of winch motor.The model of said automatic bit feed cabinet is ACS800-01-0075-3.
In system work process, in order to realize the regenerative braking to various motors, the output of said rectification unit also is connected with brakes, and this brakes is made up of the brake unit and the braking resistor of mutual series connection.Through braking resistor, can unnecessary power conversion be become heat dissipate, thereby realize the regenerative braking of motor, and prevent to produce dangerous DC voltage.
In order further to improve the stability of electricity generation system, also be provided with the auxiliary power generation unit that is connected with the input of automatic bit feed cabinet through line breaker in the utility model.
For for other consumers in well site provide suitable voltage, also be provided with an end in the utility model and pass through the dry-type transformer that a line breaker is connected with the input of rectification unit, the other end is connected with the input of automatic bit feed cabinet through another line breaker.
Compared with prior art, the utlity model has following beneficial effect:
1. the utility model is reasonable in design, realizes simple, stable and reliable for performance;
2. the utility model has realized that through the automatic bit feed electric-control system permanent the pressure of the drill or permanent drilling speed send brill, prevents the appearance of problems such as drilling string not well braked, bit freezing effectively, has improved drilling speed and has crept into quality;
3. the utility model has improved the stability of electric power system, for the long-term stable operation of rig has been established solid foundation effectively through the cooperating of main electricity generation system and auxiliary power generation unit.
Description of drawings
Fig. 1 is the system block diagram of the utility model-embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further, the embodiment of the utility model comprises and is not limited to the following example.
Embodiment
As shown in Figure 1, the rig electric-control system mainly comprises main electricity generation system, auxiliary power generation unit, rectification unit, automatic bit feed electric-control system, slush pump electric-control system, rotating disk electric-control system, winch electric-control system and brakes.
In the said equipment, main electricity generation system is conventional generating equipment, exchanges diesel generating set by three CAT3512B types parallel with one another and constitutes.Rectification unit is common rectifier cabinet, and it is connected with main electricity generation system through line breaker, and function is the ac voltage rectifier that the interchange diesel generating set is exported is become DC voltage, thereby dc source is provided for frequency conversion tank.Slush pump electric-control system, rotating disk electric-control system, winch electric-control system and brakes are connected to the output of rectification unit; Wherein, The slush pump electric-control system is made up of frequency conversion tank and slush pump motor; The rotating disk electric-control system is made up of frequency conversion tank and rotary tray motor, and the winch electric-control system then is made up of frequency conversion tank and winch motor.Wherein, so-called slush pump motor is meant the motor that drives slush pump work, and rotary tray motor is meant the motor that drives disk operation, and winch motor is meant the motor that drives winch work, and all frequency conversion tank are the ABB frequency conversion tank.The DC voltage of rectification unit output carries out after the conversion of voltage and frequency through corresponding frequency conversion tank respectively, sends among above-mentioned each motor, for motor provides the voltage of corresponding frequencies, drives corresponding loaded work piece with drive motors.Brakes is made up of the brake unit and the braking resistor of mutual series connection, and it becomes heat energy through braking resistor with power conversion unnecessary in the system and dissipates, thereby realizes the regenerative braking to above-mentioned each motor, and prevents to produce dangerous DC voltage.The model of said brake unit is NBRA669.
Said automatic bit feed electric-control system comprises the automatic bit feed cabinet and send the brill motor that wherein, the input of automatic bit feed cabinet is connected with the input of rectification unit.Send the output that bores motor then to be connected with the output of winch motor, thereby jointly winch is realized control with winch motor through clutch.The model of said automatic bit feed cabinet is ACS800-01-0075-3, bores the motor that motor promptly is meant the work of drive rig and send.The voltage of main electricity generation system output gets into after the automatic bit feed cabinet; Power is provided and carries out speed controlling sending the brill motor by this automatic bit feed cabinet; Bore motor perseverance the pressure of the drill or the running of permanent drilling speed to guarantee to send, and then drive and send permanent the pressure of the drill of winch or the permanent drilling speed work that motor is connected of boring.
The auxiliary power generation unit is a VOLVO generator group; It is connected with the input of automatic bit feed cabinet through line breaker; Major function is to break down or be to send other electric fixturess that bore motor and region thereof that operating voltage is provided during electricity shortage when main electricity generation system; Let the operator can carry out emergency processing, drilling well is in a safe condition.
In addition; Because there is the consumer of other auxiliary rigs in past contact in the well site; Therefore; In order to guarantee the operate as normal of other consumers of well site, also be provided with an end in the utility model and pass through the dry-type transformer that a line breaker is connected with the input of rectification unit, the other end is connected with the input of automatic bit feed cabinet through another line breaker.
Through the configuration of the said equipment, realized that not only the electric power of each load is supplied with, also guaranteed the stability and the reliability of system's operation, working steadily in the long term for each drilling equipment provides reliable guarantee.
According to the foregoing description, just can realize the utility model well.
Claims (10)
1. rig electric-control system; It is characterized in that; Comprise main electricity generation system, automatic bit feed electric-control system; The rectification unit that is connected with this main electricity generation system, and the slush pump electric-control system that is connected with this rectification unit respectively, rotating disk electric-control system and winch electric-control system, said automatic bit feed electric-control system is parallelly connected with rectification unit and winch electric-control system place branch road.
2. rig electric-control system according to claim 1 is characterized in that, said main electricity generation system comprises three interchange diesel generating sets parallel with one another, and the model of this interchange diesel generating set is CAT3512B.
3. rig electric-control system according to claim 2 is characterized in that, is provided with line breaker between said rectification unit and the main electricity generation system.
4. rig electric-control system according to claim 3 is characterized in that, said slush pump electric-control system comprises the slush pump motor, with the frequency conversion tank that is connected rectification unit and this slush pump motor; Said rotating disk electric-control system comprises rotary tray motor, with the frequency conversion tank that is connected rectification unit and this rotary tray motor.
5. rig electric-control system according to claim 4 is characterized in that, said winch electric-control system comprises winch motor, with the frequency conversion tank that is connected rectification unit and this winch motor.
6. rig electric-control system according to claim 5; It is characterized in that; Said automatic bit feed electric-control system comprises the automatic bit feed cabinet of mutual series connection and send the brill motor; And the input of automatic bit feed cabinet is connected with the input of rectification unit, send the output that bores motor then to be connected with the output of winch motor through clutch.
7. rig electric-control system according to claim 6 is characterized in that, the model of said automatic bit feed cabinet is ACS800-01-0075-3.
8. rig electric-control system according to claim 7 is characterized in that the output of said rectification unit also is connected with brakes, and this brakes is made up of the brake unit and the braking resistor of mutual series connection.
9. according to claim 7 or 8 described rig electric-control systems, it is characterized in that, also be provided with the auxiliary power generation unit that is connected with the input of automatic bit feed cabinet through line breaker.
10. rig electric-control system according to claim 9 is characterized in that, also is provided with an end and passes through the dry-type transformer that a line breaker is connected with the input of rectification unit, the other end is connected with the input of automatic bit feed cabinet through another line breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202654793U CN202157796U (en) | 2011-07-26 | 2011-07-26 | Electric control system for drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202654793U CN202157796U (en) | 2011-07-26 | 2011-07-26 | Electric control system for drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202157796U true CN202157796U (en) | 2012-03-07 |
Family
ID=45765437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202654793U Expired - Lifetime CN202157796U (en) | 2011-07-26 | 2011-07-26 | Electric control system for drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202157796U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605716A (en) * | 2016-07-11 | 2018-01-19 | 西门子（中国）有限公司 | The soft pump control system of frequency converter controller and slush pump |
| CN113594906A (en) * | 2021-08-09 | 2021-11-02 | 中车永济电机有限公司 | Electric control room for electric drive system equipment of oil field drilling machine |
| CN113775325A (en) * | 2021-09-27 | 2021-12-10 | 云南庞通建筑工程有限公司 | Electric control system of high-power variable-frequency energy-saving drilling machine |
-
2011
- 2011-07-26 CN CN2011202654793U patent/CN202157796U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605716A (en) * | 2016-07-11 | 2018-01-19 | 西门子（中国）有限公司 | The soft pump control system of frequency converter controller and slush pump |
| CN107605716B (en) * | 2016-07-11 | 2019-07-16 | 西门子（中国）有限公司 | The soft pump control system of frequency converter controller and slush pump |
| CN113594906A (en) * | 2021-08-09 | 2021-11-02 | 中车永济电机有限公司 | Electric control room for electric drive system equipment of oil field drilling machine |
| CN113775325A (en) * | 2021-09-27 | 2021-12-10 | 云南庞通建筑工程有限公司 | Electric control system of high-power variable-frequency energy-saving drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |