CN202326846U - Double-braking device of oil field pumping unit and intelligent control system thereof - Google Patents
Double-braking device of oil field pumping unit and intelligent control system thereof Download PDFInfo
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- CN202326846U CN202326846U CN2011204380001U CN201120438000U CN202326846U CN 202326846 U CN202326846 U CN 202326846U CN 2011204380001 U CN2011204380001 U CN 2011204380001U CN 201120438000 U CN201120438000 U CN 201120438000U CN 202326846 U CN202326846 U CN 202326846U
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- electromagnetic brake
- braking
- braking device
- brake
- control
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Abstract
The utility model discloses a double-braking device of an oil field pumping unit and an intelligent control system thereof, which are installed on a reducer. The double-braking device comprises an electromagnetic brake and a manual controller, the electromagnetic brake controls an input shaft of a reducer to be braked or not, and the manual controller is installed on the electromagnetic brake so as to lock the braking state or remove the braking in manual braking mode. The manual controller is installed at the outer end of the electromagnetic brake, and the double-braking device has two-level self locking, can avoid accident power supply in maintenance of the pumping unit, and guarantees personal safety of maintenance staff in shut down.
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 when moving to solve pumping unit.
For realizing above-mentioned purpose, the utility model provides following technological scheme:
The two braking device of a kind of oil-field oil pumper are installed on the speed reducer, and braking device comprises electromagnetic brake and personal control; The braking of the input shaft of said electromagnetic brake control speed reducer and releasing braking; Said personal control is installed on the electromagnetic brake, and the braking state that locks said electromagnetic brake with hand braking mode locks with removing.
Further, personal control comprises worm gear and the worm screw that cooperatively interacts, said worm gear connecting thread bar; Said threaded stem screws in the housing of said electromagnetic brake, and its front end can apply the main brake disk of active force in said electromagnetic brake.
Further, the two ends of said worm screw cooperate a said worm gear respectively, and the top of said worm screw is provided with handle; Each said worm gear connects a said threaded stem.
Further, said worm screw is arranged on the pole socket, fixes through end cap up and down.
Further, said two worm gears place respectively in the worm gear shell, are connected with connecting rod to finely tune both distances through adjusting screw between said two worm gear shells.
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.
The utility model also provides a kind of oil-field oil pumper braking device intelligent control system, and intelligent control system comprises aforesaid 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 the electromagnetism self acting 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.Simultaneously, installed manual brake additional, had the two-stage self-locking, can prevent to make between down period, attendant's personal safety is able to ensure in the unexpected power supply of pumping unit maintenance period in the outer end of electromagnetic brake.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. 1 a is that the A-A of Fig. 1 is to view;
Fig. 2 is the decomposing schematic representation of the utility model structure;
Fig. 3 is the structural representation of electromagnetic brake among the utility model embodiment;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the structural representation of the utility model manual brake;
Fig. 5 a, 5b, 5c, 5d are respectively the sectional drawing of Fig. 5 A-A, B-B, C-C, D-D;
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; Control the running of speed reducer and stop through installation electromagnetic brake on the input shaft of pumping unit speed reducer; Simultaneously a manual brake is set on electromagnetic brake again, to reach the double insurance of braking state.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 speed reducer 1, electromagnetic brake 2 and the manual brake 9 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 11.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; Characteristics according to the electromagnetic disc type self acting brake; On electromagnetic brake 2, also be provided with manual brake 9 in this enforcement; Promptly utilize worm and gear and threaded stem structure combining, rotary worm top handle gets final product lockup brake, even if supply power at this moment also can't actuating motor for control system.Consult Fig. 5 a, 5b, 5c, 5d again, this manual brake 9 comprises 1 worm screw 91 and 2 worm gears 92, and worm screw 91 is arranged on the pole socket 93, and through end cap 95 is fixing up and down, the top of worm screw 91 also is provided with handle 911, so that manually-operable.Above-mentioned 2 worm gears 92 all are built in the worm gear shell 96, with worm screw 91 interoperations.2 worm gears 92 all are connected with a threaded stem 94, and threaded stem 94 screws in the housing 26 of said electromagnetic brake, and its front end can apply the main brake disk 21 of active force in said electromagnetic brake.When this manual brake 9 mainly keeped in repair for fear of having a power failure, accident caused electromagnetic brake 2 take-off the brakes to electricity.Specific operation: behind electromagnetic brake 2 power-off brakes, hold handle 911 rotation of worm screw 91, the worm gear 92 of engagement rotate thereupon, and drive threaded stem 94 inwardly advances, and withstands the main brake disk 21 of electromagnetic brake.In this state, that main brake disk 21 is spacing because of threaded stem 94, promptly lock the braking state of said electromagnetic brake, even switch on to electromagnetic brake, also can't take-off the brake.Pumping unit operation if desired only needs manual opposite spin worm screw 91, makes threaded stem 94 and main brake disk 21 form certain distance, and after the energising, electromagnetic brake gets final product take-off the brake.
For installing and locating accurate; Connect a connecting rod 97 through adjusting screw 98 between above-mentioned two worm gear shells 96; Screw out adjusting screw 98 through screwing in,, make the mounting hole on threaded stem 94 and the electromagnetic brake shell 26 keep concentric to finely tune two distances between the worm gear shell 96.
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; Connect k1, two contacts of k2, 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 (10)
1. the two braking device of oil-field oil pumper are installed on the speed reducer, and it is characterized in that: braking device comprises electromagnetic brake and personal control; The braking of the input shaft of said electromagnetic brake control speed reducer and releasing braking; Said personal control is installed on the electromagnetic brake, and the braking state that locks said electromagnetic brake with hand braking mode locks with removing.
2. braking device as claimed in claim 1 is characterized in that: said personal control comprises worm gear and the worm screw that cooperatively interacts, said worm gear connecting thread bar; Said threaded stem screws in the housing of said electromagnetic brake, and its front end can apply the main brake disk of active force in said electromagnetic brake.
3. braking device as claimed in claim 2 is characterized in that: the two ends of said worm screw cooperate a said worm gear respectively, and the top of said worm screw is provided with handle; Each said worm gear connects a said threaded stem.
4. braking device as claimed in claim 3 is characterized in that: said worm screw is arranged on the pole socket, fixes through end cap up and down.
5. braking device as claimed in claim 4 is characterized in that: said two worm gears place respectively in the worm gear shell, connect connecting rod to finely tune both distances through adjusting screw between said two worm gear shells.
6. like arbitrary described braking device among the claim 1-5; It is characterized in that: said electromagnetic brake comprises main brake disk, braking plate and is braked dish; 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.
7. braking device as claimed in claim 6 is characterized in that: the said dish that is braked is connected with the casing of said speed reducer through changeover panel.
8. oil-field oil pumper braking device intelligent control system, it is characterized in that: intelligent control system comprises described braking device of claim 1-7 and electric control equipment, 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.
9. intelligent control system as claimed in claim 8; 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 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.
10. like claim 8 or 9 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 |
|---|---|---|---|
| CN2011204380001U CN202326846U (en) | 2011-11-08 | 2011-11-08 | Double-braking device of oil field pumping unit and intelligent control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204380001U CN202326846U (en) | 2011-11-08 | 2011-11-08 | Double-braking device of oil field pumping unit and intelligent control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326846U true CN202326846U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204380001U Expired - Lifetime CN202326846U (en) | 2011-11-08 | 2011-11-08 | Double-braking device of oil field pumping unit and intelligent control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326846U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089859A (en) * | 2011-11-08 | 2013-05-08 | 孙宝利 | Oil field pumping unit double-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 |
| 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 |
-
2011
- 2011-11-08 CN CN2011204380001U patent/CN202326846U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089859A (en) * | 2011-11-08 | 2013-05-08 | 孙宝利 | Oil field pumping unit double-braking device and intelligent control system thereof |
| CN103089859B (en) * | 2011-11-08 | 2015-07-15 | 孙宝利 | Oil field pumping unit double-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 |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20150715 |
|
| RGAV | Abandon patent right to avoid regrant |