CN201221596Y - Speed-adjustable coupling machine gearbox for oil field - Google Patents
Speed-adjustable coupling machine gearbox for oil field Download PDFInfo
- Publication number
- CN201221596Y CN201221596Y CNU2007200152885U CN200720015288U CN201221596Y CN 201221596 Y CN201221596 Y CN 201221596Y CN U2007200152885 U CNU2007200152885 U CN U2007200152885U CN 200720015288 U CN200720015288 U CN 200720015288U CN 201221596 Y CN201221596 Y CN 201221596Y
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- coupler
- shaft
- scoop tube
- gear
- speed
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Abstract
The utility model discloses a reduction box of an adjustable speed coupler used for an oil field; the back shell of the coupler is mounted together with a pump wheel and a rotary shell; a scoop tube shell is combined together with an input bearing seat; the scoop tube directly enters between the pump wheel of the coupler outside the body of the box and the turbine of the coupler from the scoop tube shell for forming the working cavity of the coupler; the pump wheel of the coupler is connected with the input shaft; the turbine of the coupler is connected with a turbine shaft; the turbine shaft and the output shaft are arranged on the same axis; the reduction gears at the two ends of a transition shaft parallel to the turbine shaft are respectively engaged with the gear on the turbine shaft and the gear on the output shaft for forming a double-grade reduction mechanism; the gear of the rotary shell is engaged with the gear on the shaft of an oil supply pump and drives the shaft of the oil supply pump; the outlet pipeline of the oil supply pump is provided with a heat radiator. The speed adjusting performance of the reduction box of the coupler can completely meet the demands of the borer of the oil field for loading a slurry pump, a winch and a dial; the scoop tube adjusts the oil charging amount of the coupler for leading the coupler to output a rotation speed for realizing infinite variable speed; the reduction box of an adjustable speed coupler used for an oil field not only can realize high efficiency at a rated place, but also can realize variable speed under a needed working situation.
Description
Technical field
The utility model relates to a kind of oil field variable-speed coupler speed reducer.
Background technique
At present, the basic preparation of the centralized power unit of oil field drill has two kinds: a kind of is that diesel engine+reducing gear is to the load unit; With the reducing gear of diesel engine coupling three kinds of fluid torque converters, fluid coupling speed reducer, mechanical reduction case are arranged.Another kind is the driving mechanism of AC motor+variable-speed, outputs to the load unit then; The fluid coupling speed reducer that wherein has attaches speed-regulating function among a small circle.Has only import formula regulable speed type coupler speed reducer at present at driving mechanism with the supporting variable-speed of AC motor.The major function of these mechanisms or speed reducing/changing device is that the power of prime mover is delivered to their characteristics of load unit after treatment is different, and pluses and minuses are respectively:
A mechanical reduction case is simple to operate, repairs and safeguards easily, but belong to direct-connected mode, and Transmitted chains is not had protective function.
The B fluid torque converter can be realized the input output mutual noninterference, the advantage of protection power unit is arranged, but transmission efficiency is low, and unit economy is poor.
The transmission efficiency height of the fluid coupling speed reducer that C and diesel engine are supporting, rated efficiency can reach more than 95%, but can not speed governing, or speed adjustable range is very little.
The regulable speed type coupler of D and electric drilling match has only a kind of import formula regulable speed type at present in the oil field, be used for the slurry pump group of drilling well, but its speed adjustable range is 0.75～0.97, and speed adjustable range is narrow.
The regulable speed type coupler is not extensively promoted on oil field drill at present, and the technological difficulties of its oil-well rig transmission system are:
A mainly is because the load of oil field drill is very complicated, if without accurate calculating, is difficult to design correct speed adjustable range and speed regulating method.
Torsional oscillation easily takes place in the B transmission system, and the coupler blade is toppled over, and faults such as long-drawn-out car take place.Gently then transmission case damages, and is heavy then twist off drilling rod, damages rig, causes drilling well to be failed.
C adopts the regulable speed type coupler, needs some electrical equipment, because the power unit belongs to the explosion-proof district of secondary, all electrical equipment of transmission case adopt flameproof apparatus.
So manufacturer uses the regulable speed type coupler all very careful in oil field drill, it is present wherein to be no lack of the loser, and the coupling transmission case of main transmission utilization does not have real regulable speed type coupler transmission device on oil field drill.
Summary of the invention
Technical problem to be solved in the utility model is, for oil field drill power unit provides speed and the oil field that the fluid coupling of power requirements combines with gear reduction box variable-speed coupler speed reducer under a kind of satisfied different operating modes.The utility model oil field variable-speed coupler speed reducer, comprise oblate fluid coupling and gear reduction box, the coupler shell on the back is installed in the input end of transmission case, be installed together with pump impeller and rotational shell, scoop tube housing and input shaft bearing combine, scoop tube directly reaches outside the casing from the scoop tube housing, blade-carrying cavity has constituted the coupler rotor chamber between coupler pump impeller and the coupler turbine, the coupler pump impeller links to each other with input shaft, the coupler turbine links to each other with turbine shaft, turbine shaft and output shaft are positioned on the same axis, the reduction gear of transition axis two ends in parallel respectively with turbine shaft on gear, gear on the output shaft is meshed, constituted double reduction mechanism, the gear of coupler rotational shell is meshed with oil feed pump overdrive gear on the fuel feeding pump shaft, the fuel feeding pump shaft drives the driving gear shaft of oil feed pump, and the oil feed pump export pipeline is provided with radiator.Constitute the scoop tube chamber between scoop tube that can move along the scoop tube housing and the scoop tube housing, scoop tube is provided with oil drainage hole, also be provided with oil drainage hole on the scoop tube housing, the scoop tube chamber communicates with the oil drainage hole of scoop tube housing and directly is communicated to bottom half, and the top of scoop tube is connected along the flexible anti-explosion electric final controlling element of scoop tube housing with making scoop tube.Radiator is made up of fan anti-explosion motor, fan, air conducting tube, radiator body, radiator single-unit successively.Oil feed pump is a gear pump, driving and driven gear shaft, is installed in the spring bearing of medial and lateral, and the medial support bearing is a cylindrical roller bearing, and outside spring bearing is a self-aligning roller bearing.Radiator through particular design can be taken away the heat that is approximately 240～360kW.The fan anti-explosion motor satisfies long-term field work condition, security level height; Fan is special high-head fan, and maximum pressure head can reach 880Pa, and radiator body can be installed 12～14 radiator single-units.Impeller intensity problem when in the speed regulation process torsional oscillation taking place for solving, the mechanics field that we flow by finite element design analysis simulated solution stream, impeller, blade are made accurate stress calculate, design the circulate circle diameter and be three impellers of polygon coupler of 700～750mm and the basic thickness δ of blade.Requirement of strength when satisfying speed governing under the bad working environments, the safety coefficient appropriateness.
The rotation of the input shaft that links to each other with motor output shaft drives the coupler pump impeller and rotates, as long as make the coupler rotor chamber oil-filled, the coupler turbine is rotation just, and by turbine shaft, transition axis, output shaft output power.The coupler rotational shell drives oil feed pump overdrive gear and fuel feeding pump shaft thereof by gear engagement simultaneously, drives the oil feed pump rotation, is whole transmission case fuel feeding..When the needs governing speed, anti-explosion electric final controlling element pulling scoop tube is done straight reciprocating motion in the oil pocket of scoop tube housing and bearing support and the formation of coupler shell on the back, regulate the oil level in the whole coupler cavity, the moment of torsion that transmits between coupler pump impeller and the coupler turbine is changed, externally under the effect of load, make the rotating speed of output reach needed scope.
Oil field drill main transmission does not now also have speed-regulating function with coupling transmission case, this coupling transmission case speed adjusting performance satisfies the needs of oil field drill load (slurry pump, winch, rotating disk) fully, speed adjusting mechanism adopts scoop tube to regulate the oil-filled amount of coupler, make it output speed and realize stepless change, both can realize high efficiency, can under the operating mode of needs, realize speed change again at rated point.During speed governing, heat loss allows to reach 40%, satisfies required tractive force of rig and speed adjustable range.The control panel of anti-explosion electric final controlling element is provided with accurate current potential and shows.
The utility model compared with prior art can be realized:
1, the main transmission coupling transmission case of oil field utilization is a clutch type, can't realize speed governing, can only realize supporting with diesel engine, can't realize supportingly with Wechselstrommotor, and the utility model not only can clutch but also when supporting, can realized output power adjusting from small to large with motor, the output speed respective change satisfies speed and power requirements under the different operating modes.
2, the variable speed fluid coupling transmission case power of the auxiliary drive utilization of existing oil field drill only has 40～80kW; The utility model power expansion to 800～1200kW, speed adjustable range expand to 40% and have solved wasted power and heat radiation cooling problem under the speed governing operating mode.
3, to compare with traditional inlet adjusting formula fluid coupling, it adopts control manually, can realize stepless change; Control of the present utility model can realize electronic control according to rig operating mode difference, realizes that power stepless changes, the stepless variation of output speed.When needs in rig and car when utilization, available corresponding circuit adjustment realizes two or more transmission case parallel control, reaches identical input power and output power configuration.The power division of prime mover is remained in the relatively more balanced scope.
4, output speed is regulated output speed by scoop tube, but minimum motion speed is 60% of a nominal operation spot speed, the oil feed pump of independent design, and per minute can be to radiator fuel feeding 550～600L/min.
5, the oblate fluid coupling of this coupler speed reducer employing variable-speed has the two-stage reduction gears mechanism as the critical piece output terminal of transmission, and mechanical subtrahend ratio can freely be adjusted about 2.0 by changing the gear number of teeth.Power from 800kW in the 1200kW scope.
In sum, the power unit of the suitable oil field of this transmission case mechanical drive rig below 7000 meters, in contrast to single torque-converters transmission case, clutch type coupling transmission case, the mechanical gear transmission case of the utilization of present oil field power unit, it has efficient height, reliability height, speed governing characteristics such as (have 40% speed adjustable range) flexibly.Tentatively obtain utilization in the oil field, can obtain considerable economic.And itself and motor matched energy saving effect are much higher than clutch type coupling transmission case and diesel engine matched energy saving effect, and on-the-spot noise greatly descends, labor strength reduces, economic benefit for the oil field user is considerable, in the industrial applicability process, rig whenever crept into 1 month, and utilization regulable speed type coupler and motor unit well-digging can be saved the 60t fuel oil.
Description of drawings
Fig. 1 is the utility model main transmission principle schematic.
Fig. 2 is the utility model structural representation.
Fig. 3 is the utility model radiator structure schematic representation.
Fig. 4 is the utility model oil feed pump structural representation.
Embodiment
Now in conjunction with the accompanying drawings the utility model is further described:
With reference to Fig. 1: the top of scoop tube 5 links to each other with anti-explosion electric final controlling element 12, constitute the active chamber of coupler between coupler pump impeller 6 and the coupler turbine 7, coupler pump impeller 6 links to each other with input shaft 2, coupler turbine 7 links to each other with turbine shaft 13, turbine shaft 13 is positioned on the same axis with output shaft 17, the reduction gear 14 and 16 of transition axis 15 2 ends in parallel respectively with turbine shaft 13 on gear, gear on the output shaft 17 is meshed, constituted double reduction mechanism, the gear of coupler rotational shell 8 is meshed with oil feed pump gear on the fuel feeding pump shaft 10, and drives oil feed pump 11.
With reference to Fig. 2: this oil field is with variable-speed coupler speed reducer, its coupler shell on the back 4 is installed in the input end of transmission case, be installed together with pump impeller 6 and rotational shell 8, scoop tube housing and input shaft bearing 3 combine, scoop tube 5 directly reaches outside the casing from the scoop tube housing, blade-carrying cavity has constituted the active chamber of coupler between coupler pump impeller 6 and the coupler turbine 7, coupler pump impeller 6 links to each other with input shaft 2, input shaft end is provided with input flange 1, coupler turbine 7 links to each other with turbine shaft 13, turbine shaft 13 is positioned on the same axis with output shaft 17, the reduction gear 14 and 16 of transition axis 15 2 ends in parallel respectively with turbine shaft 13 on gear, gear on the output shaft 17 is meshed, and has constituted double reduction mechanism.The gear of coupler rotational shell 8 is meshed with oil feed pump overdrive gear 9 on the fuel feeding pump shaft 10, and fuel feeding pump shaft 10 drives the driving gear shaft of oil feed pumps 11, and the oil feed pump export pipeline is provided with radiator.Constitute the scoop tube chamber between scoop tube 5 that can move along scoop tube housing 3 and the scoop tube housing, scoop tube 5 is provided with oil drainage hole, also be provided with oil drainage hole on the scoop tube housing 3, the scoop tube chamber communicates with the oil drainage hole of scoop tube housing 3 and directly is communicated to bottom half, and the top of scoop tube 5 is connected along the flexible anti-explosion electric final controlling element 12 of scoop tube housing with making scoop tube.
With reference to Fig. 3: radiator is made up of fan anti-explosion motor 19, fan 20, air conducting tube 21, radiator body 22, radiator single-unit 23 successively.
With reference to Fig. 4: oil feed pump is a gear pump, and driving and driven gear shaft 24,28 is installed in the medial and lateral spring bearing 26,27 of housing 25, and the medial support bearing is a cylindrical roller bearing, and outside spring bearing is a self-aligning roller bearing.
Claims (4)
1 one kinds of oil field variable-speed coupler speed reduceres, comprise oblate fluid coupling and gear reduction box, it is characterized in that: coupler shell on the back (4) is installed in the input end of transmission case, be installed together with pump impeller (6) and rotational shell (8), scoop tube housing and input shaft bearing (3) combine, scoop tube (5) directly reaches outside the casing from the scoop tube housing, blade-carrying cavity has constituted the active chamber of coupler between coupler pump impeller (6) and the coupler turbine (7), coupler pump impeller (6) links to each other with input shaft (2), coupler turbine (7) links to each other with turbine shaft (13), turbine shaft (13) is positioned on the same axis with output shaft (17), the reduction gear of transition axis (15) two ends in parallel respectively with turbine shaft (13) on gear, gear on the output shaft (17) is meshed, constituted double reduction mechanism, the gear of coupler rotational shell (8) is meshed with oil feed pump overdrive gear (9) on the fuel feeding pump shaft (10), fuel feeding pump shaft (10) drives the driving gear shaft of oil feed pump (11), and the oil feed pump export pipeline is provided with radiator.
2 oil fields according to claim 1 variable-speed coupler speed reducer, it is characterized in that: formation scoop tube chamber between the scoop tube (5) that can move along scoop tube housing (3) and the scoop tube housing, scoop tube (5) is provided with oil drainage hole, the scoop tube housing also is provided with oil drainage hole on (3), the scoop tube chamber communicates with the oil drainage hole of scoop tube housing (3) and directly is communicated to bottom half, and the top of scoop tube (5) is connected along the flexible anti-explosion electric final controlling element (12) of scoop tube housing with making scoop tube.
3 oil fields according to claim 1 variable-speed coupler speed reducer, it is characterized in that: radiator is made up of fan anti-explosion motor (19), fan (20), air conducting tube (21), radiator body (22), radiator single-unit (23) successively.
4 oil fields according to claim 1 variable-speed coupler speed reducer, it is characterized in that: oil feed pump is a gear pump, driving and driven gear shaft (24), (28) are installed in medial and lateral spring bearing (26), (27), the medial support bearing is a cylindrical roller bearing, and outside spring bearing is a self-aligning roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200152885U CN201221596Y (en) | 2007-10-11 | 2007-10-11 | Speed-adjustable coupling machine gearbox for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200152885U CN201221596Y (en) | 2007-10-11 | 2007-10-11 | Speed-adjustable coupling machine gearbox for oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201221596Y true CN201221596Y (en) | 2009-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200152885U Expired - Fee Related CN201221596Y (en) | 2007-10-11 | 2007-10-11 | Speed-adjustable coupling machine gearbox for oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201221596Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649897B (en) * | 2009-09-01 | 2012-01-25 | 中国石油天然气集团公司 | Fluid coupling transmission box power unit for pumping unit |
-
2007
- 2007-10-11 CN CNU2007200152885U patent/CN201221596Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649897B (en) * | 2009-09-01 | 2012-01-25 | 中国石油天然气集团公司 | Fluid coupling transmission box power unit for pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090415 Termination date: 20131011 |