CN202441784U - Brake apparatus of oil pumping unit and intelligent control system thereof - Google Patents
Brake apparatus of oil pumping unit and intelligent control system thereof Download PDFInfo
- Publication number
- CN202441784U CN202441784U CN2011204380177U CN201120438017U CN202441784U CN 202441784 U CN202441784 U CN 202441784U CN 2011204380177 U CN2011204380177 U CN 2011204380177U CN 201120438017 U CN201120438017 U CN 201120438017U CN 202441784 U CN202441784 U CN 202441784U
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- Prior art keywords
- braking
- electromagnetic brake
- brake
- speed reducer
- braking device
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Abstract
The utility model discloses a brake apparatus of an oil pumping unit and an intelligent control system thereof mounted on a speed reducing motor and utilizes a solenoid brake to control running and stopping of the speed reducing motor. An electrical control device of the intelligent control system is electrically connected with the solenoid brake. The electrical control device is provided with a servo driver and an overload protecting circuit, wherein the overload protecting circuit is used for outputting relay break to immediately break the solenoid brake when motor current exceeds a set range. The brake apparatus and the system in the utility model achieve that a machinery automatically control the speed reducing motor, and during the oil pumping unit running and unattended operation, when a sucker rod breaks and falls unexpectedly, the brake apparatus and the system realize automatic break. Hidden danger is eliminated and safe reliability is guaranteed.
Description
Technical field
The utility model relates to the used braking device of a kind of oil-field oil pumper, and the intelligent system of control brake device.
Background technique
At present, what oil-field oil pumper used is traditional manpower manual braking device basically, and a kind of is to embrace the formula break, and a kind of is expanding brake.Their basic Der Grundsatz der Maschinen makes brake shoe and brake drum produce frictional force through manpower exactly, the realization braking.The deficiency of this device: operation inconvenience, relatively effort, safety reliability poor, have hidden danger etc.And, because the break (hand brake) of conventional pumping unit is to adopt mechanical type, operate by manual work; To the pumping unit run duration, unexpected disconnected the taking off of sucker rod makes counterweight fall rapidly; Pumping unit moment disequilibrium often causes accidents such as damage of pumping unit mechanical part or overturning.
The model utility content
In order to overcome above-mentioned defective, the utility model provides a kind of braking device and intelligent control system that can realize the unartificial control of pumping unit, the safety reliability problem during with the automatic control that solves pumping unit and operation.
For realizing above-mentioned purpose, the utility model provides following technological scheme:
A kind of oil-field oil pumper braking device is installed on the speed reducer, and braking device adopts the braking of electromagnetic brake control speed reducer and removes braking.
Further, said electromagnetic brake comprises main brake disk, braking plate and is braked dish, and said braking plate is connected with the input shaft of said speed reducer, and the said dish that is braked passes the input shaft of said speed reducer and is connected with the casing of said speed reducer.
Further, the said dish that is braked is connected with the casing of said speed reducer through changeover panel.Preferably, the said dish that is braked is connected as a single entity through supporting element with said changeover panel.
Further, said braking plate is fixed in the input shaft of said speed reducer with the spline Placement through external tooth cover.
Further, be provided with 2 in the housing of said electromagnetic brake and add and turn round bolt, the said front end of turning round bolt that adds acts on said brake disc and can form moving of certain distance, with the braking state that locks said electromagnetic brake with remove braking state.
Further, also comprise the combination of magnetic hoop in the housing of said electromagnetic brake, said main brake disk and the combination of magnetic hoop discharge bolt locking by braking and are integral; Said main brake disk, be braked between dish and the braking plate and produce the running that frictional force stops speed reducer, and through electromagnetic force certain distance is opened in the main brake disk suction said braking plate is turned round with said input shaft through closed.
The utility model also provides a kind of oil-field oil pumper braking device intelligent control system, comprises above-described braking device and electric control equipment, and said electric control equipment and said electromagnetic brake are electrically connected; Said electric control equipment is provided with servo driver and overload protecting circuit, and when said overload protecting circuit was used for current of electric and surpasses the scope set, output relay broke off so that said electromagnetic brake is braked at once.
Further, said overload protecting circuit is: said servo driver is provided with two tenminal block BK1, the BK2 that connects said electromagnetic brake, and the action of said electromagnetic brake is controlled by auxiliary reclay KL; When KL connects, electromagnetic brake take-off the brake sheet; When KL breaks off, the closed braking plate of electromagnetic brake;
Wherein, KL is by contact KM2 and k1, the control of k2 two contacts, and k1, k2 connect the inner normally opened relay of servo driver; When motor load surpassed the scope that sets, the servo driver internal relay discharged, and breaks off between k1, the k2, and KL cuts off the power supply immediately, and electromagnetic brake cuts off the power supply thereupon.
Further, the control mode of said electric control equipment comprises energy saver mode and power frequency pattern; Said servo driver is connected with the energy consumption feedback unit;
Said energy consumption feedback unit, when being used for speed that the pumping unit running speed sets greater than control, when said servo driver control motor keeps original speed, with energy feedback that it fed back to electrical network.
To the traditional manpower manual braking device of pumping unit; The deficiency and the problem that exist; Problems such as the utility model adopts electromagnetic brake to be used for the braking device of pumping unit, can get rid of well that pumping unit is conventional shuts down the operation inconvenience that faces, and relatively effort, human factor be big.Further, the intelligent control system that the utility model provides has also solved during pumping unit operation and the unmanned especially, when disconnected the taking off of generation sucker rod accident, can realize Braking mode, has eliminated potential safety hazard, and safety reliability is able to guarantee.The utility model is specially adapted to single head or double end beam pumping unit.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is the decomposing schematic representation of the utility model structure;
Fig. 4 is the structural representation of electromagnetic brake among the utility model embodiment;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the electrical schematic diagram of the control cabinet of the utility model intelligent control system.
Embodiment
The main thought of the utility model is to change the conventional artificial control mode, controls the running of speed reducer and stops through installation electromagnetic brake on the input shaft of pumping unit speed reducer.Below embodiment is described in detail, but not as to the qualification of the utility model.
Shown in Fig. 1-5, the utility model provides a kind of pumping unit braking device, is applied to oil-field oil pumper.Braking device comprises the speed reducer 1 and electromagnetic brake 2 on the pumping unit.The function of this said electromagnetic brake 2 is to make speed reducer 1 in very short time, to shut down, and also lock is firmly motionless.In the present embodiment; Electromagnetic brake 2 comprises main brake disk 21, braking plate 22, is braked dish 23 and magnetic hoop combination 24, and this magnetic hoop combination 24 can be adopted any electromagnetic brake of the prior art, such as the composite structure of employed spring 241 and yoke 243 in the present embodiment; Its effect is exactly: during energising; Utilize electromagnetic force to produce suction, main brake disk 21 pressure springs 241 make between main brake disk 21 and the braking plate 22 and produce distance; During outage, the restoring force of spring 241 promotes main brake disk 21, is squeezed in braking plate 22 until main brake disk 21.Braking plate 22 is placed on the input shaft 11 of speed reducer, and is fixed on the input shaft 11 of speed reducer with the spline mode through external tooth cover 25; Main brake disk 21 discharges bolt 5 lockings with magnetic hoop combination 24 by braking and is integral, and places in the shell 26.Main brake disk 21 be braked dish and carry out the gap through hexagon socket head cap screw 6 with hollow adjusting bolt 7 between 23 and be connected, as long as the gap can guarantee the braking distance of main brake disk 21, such as, the gap is 1-2mm.Be braked dish 23 and be connected with speed reducer casing 12 through changeover panel 3, this changeover panel 3 is provided with 6 fixed holes, and 6 corresponding bolts 4 are fixed in changeover panel 3 on the said speed reducer casing 12.Preferably, be braked dish 23 and be connected as a single entity through supporting element 31, can guarantee to be braked dish 23 and the 11 coaxial installations of speed reducer input shaft so better with said changeover panel 3.Install and mix up brake disc 21 and braking plate 22 gaps, take-off the brake discharges bolt 5, and this moment, after control cabinet was given electromagnetic brake 2 power supplies, braking was removed in braking state, and pumping unit gets into accurate running state.
Speed reducer input shaft 11 links to each other with braking plate 22; Whole electromagnetic brake 2 is fixed on the speed reducer casing 12; When electromagnetic brake 2 is cold, main brake disk 21, be braked between dish 23 and the braking plate 22 closure under the pressure of spring 241; Produce powerful frictional force, stop the running of speed reducer.After electromagnetic brake 2 energisings, the magnetic force that electric current produces through coil is inhaled main brake disk 21 and is opened 1～2mm, after braking plate 22 has lacked the resistance of main brake, just can freely turn round.
In order to guarantee the safety guarantee of pumping unit, be provided with 2 in the housing 26 of said electromagnetic brake and add and turn round bolt 8, the said front end of turning round bolt 8 that adds acts on said main brake disk 21, and can form moving forward and backward of certain distance.Add and turn round bolt 8 and adopt manual mode to operate, when the forward precession, add and turn round bolt 8 and squeeze and push away main brake disk 21, lock the braking state of said electromagnetic brake up to braking plate 22 lockings; Otherwise, brake off state then.
In order to realize the safe handling of above-mentioned further assurance braking device; The utility model has adopted intelligent control to braking device, and basic technical scheme is: when 1. control cabinet was supplied power, electromagnetic brake was a brake off; Pumping unit gets into running state, and outage is braking at once; 2. because the real-time monitoring of control system; At pumping unit operation and unmanned; When disconnected the taking off of generation sucker rod accident; The electromagnetism self acting brake can be braked at once, pumping unit is slowed down under the resistance of braking brake to equinoctial point stop, thereby avoided the pumping unit mechanical part to damage or the generation of accidents such as overturning.
As shown in Figure 6, the 380V power supply of three-phase four-wire system is opened QS1 access point table from L1, L2, L3, N input through total lock sky.SB1 above the panel is system's stop button, and SB2 is the system start-up button, and SB3 is the mode switching knob, is used for the switching of energy saver mode with the power frequency pattern.
Press SB1 pushbutton enable system, the closed self-locking of the auxiliary normally opened contact of KM1 simultaneously, system gets the electrician and does.KM2 and KM3 carry out logical interlock on circuit, be used for the switching of control mode, cause power supply short circuit when preventing switch mode.When SB3 switches to energy saver mode, the closed self-locking of KM3, the normally-closed contact of KM3 breaks off simultaneously, makes KM2 break off control loop, and motor inserts servo driver through KM3, and servo driver and energy consumption feedback unit are devoted oneself to work.
According to operating mode, the current/voltage of servo driver real-time regulated output, constantly keeping the active power of motor is the optimum state.When the pumping unit counterweight does not match, when downhole environment changes; The speed that certainly will cause the pumping unit running speed to set greater than control; When servo driver control this moment motor keeps original speed; The energy that it fed back is fed back to electrical network through feedback unit, let the energy of half operation cycle of system saves pay wages, thereby reach power saving effect further.
If when having cause specific not adopt energy saver mode, can SB3 be switched to the power frequency pattern, press the SB1 halt system, after the system of treating stops, pressing the SB2 start-up system again, KM2 is closed, and KM3 breaks off, and motor directly inserts the electrical network running through KM2.
Said servo driver is provided with BK1, two tenminal blocks of BK2, connects outside said electromagnetic brake; The action of said electromagnetic brake is controlled by auxiliary reclay KL; When KL connects, electromagnetic brake take-off the brake sheet; When KL breaks off, the closed braking plate of electromagnetic brake; Wherein, KL is by contact KM2 and k1, the control of k2 two contacts, and k1, k2 connect the inner normally opened relay of servo driver; When adopting the power frequency pattern, KM2 is closed, and when motor was given in power supply, it was closed to connect KL, and BK1, BK2 output voltage are given outside electromagnetic brake, make its take-off the brake sheet; When adopting energy saver mode, servo driver is being guaranteed output voltage control motor, and under the trouble-free situation, closed internal relay is connected k1, k2 2 points, and closed KL gives outside electromagnetic brake power supply take-off the brake sheet through BK1, BK2; Under energy saver mode, servo driver is being controlled the running voltage and the electric current of motor constantly, when disconnected bar occurring; When perhaps other mechanical failures take place, because the sudden change of motor load causes change in current; When surpassing the scope that sets, servo jumping error protection, internal relay discharges; Break off between k1, the k2, KL cuts off the power supply immediately, the electromagnetic brake locking of also cutting off the power supply.Pumping unit slowly slides into equinoctial point down under the resistance of electromagnetic brake brake.Thereby play a protective role.
Touch screen directly adopts the inner 24V power supply power supply of servo driver, and adopts 485 buses between the servo driver, the communication of MODEBUS communication protocol.Simplified system control reads the real-time current of motor, voltage, rotating speed etc. return from driver simultaneously, and the mode with chart shows then, makes things convenient for the analysis of data.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (9)
1. an oil-field oil pumper braking device is installed on the speed reducer, it is characterized in that: braking device adopts the braking of electromagnetic brake control speed reducer and removes braking; Said electromagnetic brake comprises main brake disk, braking plate and is braked dish, and said braking plate is connected with the input shaft of said speed reducer, and the said dish that is braked passes the input shaft of said speed reducer and is connected with the casing of said speed reducer.
2. braking device as claimed in claim 1 is characterized in that: the said dish that is braked is connected with the casing of said speed reducer through changeover panel.
3. braking device as claimed in claim 2 is characterized in that: the said dish that is braked is connected as a single entity through supporting element with said changeover panel.
4. like arbitrary described braking device among the claim 1-3, it is characterized in that: said braking plate is fixed in the input shaft of said speed reducer with the spline Placement through external tooth cover.
5. like arbitrary described braking device among the claim 1-3; It is characterized in that; Being provided with 2 in the housing of said electromagnetic brake adds and turns round bolt; The said front end of turning round bolt that adds acts on said brake disc and can form moving of certain distance, with the braking state that locks said electromagnetic brake with remove braking state.
6. braking device as claimed in claim 5 is characterized in that: also comprise the combination of magnetic hoop in the housing of said electromagnetic brake, said main brake disk and the combination of magnetic hoop discharge bolt locking by braking and are integral; Said main brake disk, be braked between dish and the braking plate and produce the running that frictional force stops speed reducer, and through electromagnetic force certain distance is opened in the main brake disk suction said braking plate is turned round with said input shaft through closed.
7. oil-field oil pumper braking device intelligent control system, it is characterized in that: intelligent control system comprises arbitrary described braking device and electric control equipment among the claim 1-6, and said electric control equipment and said electromagnetic brake are electrically connected; Said electric control equipment is provided with servo driver and overload protecting circuit, and when said overload protecting circuit was used for current of electric and surpasses the scope set, output relay broke off so that said electromagnetic brake is braked at once.
8. intelligent control system as claimed in claim 7; It is characterized in that: said overload protecting circuit is: said servo driver is provided with two tenminal block BK1, the BK2 that connects said electromagnetic brake, and the action of said electromagnetic brake is controlled by auxiliary reclay KL; When auxiliary reclay KL connects, electromagnetic brake take-off the brake sheet; When auxiliary reclay KL breaks off, the closed braking plate of electromagnetic brake;
Wherein, auxiliary reclay KL is by contact KM2 and contact k1, the control of contact k2 two contacts, and contact k1, contact k2 connect the inner normally opened relay of servo driver; When motor load surpassed the scope that sets, the servo driver internal relay discharged, and breaks off between contact k1, the contact k2, and auxiliary reclay KL cuts off the power supply immediately, and electromagnetic brake cuts off the power supply thereupon.
9. like claim 7 or 8 described intelligent control systems, it is characterized in that: the control mode of said electric control equipment comprises energy saver mode and power frequency pattern; Said servo driver is connected with the energy consumption feedback unit;
Said energy consumption feedback unit, when being used for speed that the pumping unit running speed sets greater than control, when said servo driver control motor keeps original speed, with energy feedback that it fed back to electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204380177U CN202441784U (en) | 2011-11-08 | 2011-11-08 | Brake apparatus of oil pumping unit and intelligent control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204380177U CN202441784U (en) | 2011-11-08 | 2011-11-08 | Brake apparatus of oil pumping unit and intelligent control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441784U true CN202441784U (en) | 2012-09-19 |
Family
ID=46823236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204380177U Expired - Lifetime CN202441784U (en) | 2011-11-08 | 2011-11-08 | Brake apparatus of oil pumping unit and intelligent control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089872A (en) * | 2011-11-08 | 2013-05-08 | 孙宝利 | Oil field pumping unit braking device and intelligent control system thereof |
| CN104500000A (en) * | 2014-07-31 | 2015-04-08 | 孙宝利 | Oil sucking machine brake device in oil field and intelligent control system of oil sucking machine brake device |
-
2011
- 2011-11-08 CN CN2011204380177U patent/CN202441784U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089872A (en) * | 2011-11-08 | 2013-05-08 | 孙宝利 | Oil field pumping unit braking device and intelligent control system thereof |
| CN103089872B (en) * | 2011-11-08 | 2016-03-09 | 孙宝利 | Oil pumping in oil fields machine braking device and intelligent control system thereof |
| CN104500000A (en) * | 2014-07-31 | 2015-04-08 | 孙宝利 | Oil sucking machine brake device in oil field and intelligent control system of oil sucking machine brake device |
| WO2016015534A1 (en) * | 2014-07-31 | 2016-02-04 | 孙宝利 | Braking device for oil field pumping unit and intelligent control system thereof |
| CN104500000B (en) * | 2014-07-31 | 2017-12-01 | 孙宝利 | Oil pumping in oil fields machine braking device and its intelligence control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120919 Effective date of abandoning: 20160309 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |