CN204126864U - A kind of submergence type oil well pump unit with down-hole drive conversion equipment - Google Patents
A kind of submergence type oil well pump unit with down-hole drive conversion equipment Download PDFInfo
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- CN204126864U CN204126864U CN201420513574.4U CN201420513574U CN204126864U CN 204126864 U CN204126864 U CN 204126864U CN 201420513574 U CN201420513574 U CN 201420513574U CN 204126864 U CN204126864 U CN 204126864U
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- conversion equipment
- oil
- well pump
- hole drive
- oil well
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Abstract
With a submergence type oil well pump unit for down-hole drive conversion equipment, comprise control cabinet, down-hole drive device and oil well pump; Down-hole drive device comprises the rotary oil-submersible motor and down-hole drive conversion equipment that are positioned at underground bushing; Down-hole drive conversion equipment comprises shell, leading screw and pull bar, and pull bar inside is provided with the screw matched with leading screw; Conversion equipment outer casing inner wall is provided with axial slideway, and pull bar can move by axial reciprocating in the enclosure; One end of leading screw is connected with the motor shaft of oil-submersible motor, and one end of pull bar is connected with the plunger of oil well pump; Control cabinet provides the power supply by arranging frequency commutation for oil-submersible motor, and the left and right alternate rotation power that revolves that oil-submersible motor produces by down-hole drive conversion equipment is converted into linear reciprocation motivational drive oil well pump and runs.The utility model unit tool is without bar transmission advantage; This down-hole drive device is larger than straight line oil-submersible motor output power, efficiency is high, strong adaptability.
Description
Technical field
The utility model relates to a kind of submergence type oil well pump unit, relates to a kind of submergence type oil well pump unit with down-hole drive conversion equipment specifically.
Background technique
In the past, one of main production facilities that domestic and international each oil field uses is the oil well pump unit that ground drives, this facility adopts land to drive conversion equipment (commonly beam pumping unit, be commonly called as the machine of kowtowing), the rotating power that land rotary electromotor produces is converted to linear reciprocal power, to adapt to the linear reciprocation method of operation of downhole pump by it.Its physical dimension is not substantially by spatial constraints, and running environment is suitable in atmosphere, therefore firm in structure, simple, for ease of maintenaince maintains, occupies the first place of many production facilities for over 100 years more than a hundred years all the time.Its defect be very long sucker rod must be relied on to be exported by surface drive linear reciprocation transmission of power to downhole pump, therefore there is loss of plunger stroke large, mechanical efficiency is low, energy consumption is high, be difficult to adapt to the hole condition conditions such as flex point is many, gradient is large, lift is high, repair cycle is shorter, aboveground floor space is comparatively large, not the shortcoming such as manageability.
For this reason, someone studies a kind of linear type oil-submersible motor in recent years, can export linear reciprocation power, at down-hole Direct driver oil well pump, thus removes the defect that long sucker rod brings from; But in this motor position place oil well casing, limit by diameter, power is less, exports axial force less, the hole condition of low lift, small displacement can only be adapted to, therefore be difficult to promote.
Model utility content
The utility model is in order to solve above-mentioned the problems of the prior art, provide a kind of submergence type oil well pump unit with down-hole drive conversion equipment, the rotating power that rotary oil-submersible motor can be produced is converted to linear reciprocation power by a kind of down-hole drive conversion equipment, need not long sucker rod, can at down-hole Direct driver oil well pump.
The utility model for addressing this problem taked technological scheme is:
The submergence type oil well pump unit of band down-hole drive conversion equipment of the present utility model, comprise the control cabinet had by arranging the frequency and realize automatic commutation function, the down-hole drive device be connected with control cabinet by oil-submersible cable and be provided with the oil well pump of pump barrel assembly, plunger and liquid outlet; Described down-hole drive device comprises the rotary oil-submersible motor of the band protector being positioned at underground bushing, and is arranged on the down-hole drive conversion equipment between oil-submersible motor and oil well pump.
The control cabinet had by arranging the frequency and realize automatic commutation function is connected with rotary oil-submersible motor by oil-submersible cable.
Down-hole drive conversion equipment comprises and is arranged on leading screw in conversion equipment shell and pull bar, and pull bar inside is provided with screw, and leading screw is arranged on screw inside, and drives screw to move; Down-hole drive conversion equipment outer casing inner wall is provided with axial slideway, and pull bar can move axially in slideway; One end of leading screw is connected with the motor shaft of oil-submersible motor, and one end of pull bar is connected with the plunger of oil well pump.
The outer wall of described pull bar is formed the feather key that bossed and described slideway matches.
Described pull bar is connected by the first joint with plunger, and leading screw is connected by the second joint with motor shaft.
Described conversion equipment shell one end is connected with pump barrel assembly, the other end and oil-submersible motor shell compact siro spinning technology.
The internal cavities of described down-hole drive conversion equipment is full of lubricant oil.
Working principle of the present utility model is that aboveground control cabinet is sent to down-hole oil-submersible motor by the power supply arranging frequency commutation by oil-submersible cable, again by a left side that rotary oil-submersible motor produces by down-hole drive conversion equipment, dextrorotation alternation power-converting is the axial straight line reciprocating power being suitable for oil well pump operation, as long as therefore this conversion equipment is placed between motor and oil well pump, no matter oil well pump is placed on oil-submersible motor or is placed under oil-submersible motor, also no matter slideway is placed in outer casing inner wall or pull bar outer wall, can reach and make oil well pump realize the object run without bar.
The advantage that the utility model has and good effect are:
The submergence type oil well pump unit of band down-hole drive conversion equipment of the present utility model, without the need to stock transmission, therefore high efficiency adaptation stock can drive unconformable many flex points, High angle, the hole condition such as high-lift.The utility model adopts rotary oil-submersible motor to be power source, same outside dimension can larger than linear type oil-submersible motor output power, efficiency is high, therefore can adapt to the demand of most of oil well to different lift, discharge capacity.Stabilized structure of the present utility model, manufacture cost is lower, and operational reliability is higher.
Accompanying drawing explanation
Fig. 1 is the vertical profile structural representation of the submergence type oil well pump unit of band down-hole drive conversion equipment of the present utility model.
Critical piece symbol description in accompanying drawing:
1: control cabinet 2: oil-submersible motor
3: down-hole drive conversion equipment 4: oil well pump
5: oil pipe 6: oil-submersible cable
7: the first joint 8: the second joints
21: oil-submersible motor shell 22: motor shaft
31: lubricant oil 32: conversion equipment shell
33: slideway 34: leading screw
35: pull bar 36: screw
37: feather key 41: pump barrel assembly
42: plunger 43: liquid outlet.
Embodiment
Referring to drawings and the specific embodiments, a kind of submergence type oil well pump unit with down-hole drive conversion equipment of the present utility model is described further.Following each embodiment is only not limitation of the utility model for illustration of the utility model.
The utility model provides a kind of rotating power that rotary oil-submersible motor can be produced and is converted to linear reciprocation power by down-hole drive conversion equipment, need not long sucker rod, can at the submergence type oil well pump unit of down-hole Direct driver oil well pump.
Fig. 1 is the vertical profile structural representation of the submergence type oil well pump unit of band down-hole drive conversion equipment of the present utility model.As shown in Figure 1, the submergence type oil well pump unit of band down-hole drive conversion equipment of the present utility model, comprise the aboveground control cabinet 1, the down-hole drive device be connected with control cabinet 1 by oil-submersible cable 2 and the oil well pump 4 be connected with down-hole drive device that have by arranging the frequency and realize automatic commutation function.Down-hole drive device comprises the rotary oil-submersible motor 2 being positioned at underground bushing, and is arranged on the down-hole drive conversion equipment 3 between oil-submersible motor 2 and oil well pump 4.
The motor shaft 22 that oil-submersible motor 2 comprises oil-submersible motor shell 21 and reaches outside oil-submersible motor shell 21; It is with protector, automatically can realize down-hole drive device chamber internal and external pressure balance, and can bear setting shaft to push-pull effort.Down-hole drive conversion equipment 3 comprises and is arranged on leading screw 34 in conversion equipment shell 32 and pull bar 35, and pull bar 35 inside is provided with screw 36, and it is inner that leading screw 34 is arranged on screw 36, and screw 36 can be driven to move.Conversion equipment shell 32 inwall is provided with axial slideway 33.The outer wall of pull bar 35 is formed bossed feather key 37, match with above-mentioned slideway 33; Pull bar 35 can move axially in shell 32.The lower end of leading screw 34 is connected by the second joint 8 with the motor shaft 22 of oil-submersible motor 2, and the upper end of pull bar 35 is connected by the first joint 7 with the plunger 42 of described oil well pump 4.The internal cavities of down-hole drive conversion equipment 3 is full of lubricant oil 31.
Oil well pump 4 is provided with pump barrel assembly 41, plunger 42 and liquid outlet 43, and liquid outlet 43 is connected with oil pipe 5.
Conversion equipment shell 32 upper end is connected with pump barrel assembly 41, lower end and oil-submersible motor shell 21 compact siro spinning technology.
The oil-submersible motor 2 of oil well pump 4, down-hole drive conversion equipment 3 and band protector is totally connected by straight-through aboveground oil pipe 5 and is suspended in oil well casing, forms submergence type without bar driving oil well pump Set under a well.
The working procedure of the submergence type oil well pump unit of band down-hole drive conversion equipment of the present utility model is as follows:
The operation of down-hole submergence type oil well pump unit is manipulated by aboveground control cabinet 1, according to unit specification and different well ' s conditions, the commutation frequency is set, after connection, power supply is sent to the oil-submersible motor 2 of down-hole by oil-submersible cable 6, the motor shaft 22 of oil-submersible motor 2, together with the leading screw 34 of down-hole drive conversion equipment 3, carries out the rotation mode operation of the right side, left alternation rotation direction simultaneously by the rotating speed of setting and the frequency of setting; Now, the leading screw 34 that the pull bar 35 being provided with screw 36 is run drives, and limit by shell slideway 33 due to feather key 37, can only carry out axial straight reciprocating motion together with the plunger 42 of oil well pump 4.This linear reciprocation power makes oil well pump produce the function of lifting well liquid, gives rise to aboveground by oil pipe 5 by well liquid.
Working principle of the present utility model be by down-hole drive conversion equipment rotary oil-submersible motor is produced left and right revolve alternation power-converting be suitable for oil well pump run axial straight line reciprocating power, as long as therefore this conversion equipment is placed between motor and oil well pump, no matter oil well pump is placed on oil-submersible motor or is placed under oil-submersible motor, also no matter slideway is placed in outer casing inner wall or pull bar outer wall, can reaches and make oil well pump realize the object run without bar.
The submergence type oil well pump unit of band down-hole drive conversion equipment of the present utility model, relative to the oil well pump unit that ground drives, all direct in down-hole and the oil well pump interlock due to prime mover and drive unit, without the need to stock transmission, energy-efficient successful, and the hole conditions such as flex point is many, gradient is large, lift is high can be adapted to, the maintenance interval is longer.Relative to the oil well pump unit that linear type oil-submersible motor drives, the utility model adopts the rotary oil-submersible motor with last 100 years operating experience, and operational reliability is high, power is large, and lift, discharge capacity can meet most of hole condition demand.
The above is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model with preferred embodiment openly as above, but and be not used to limit the utility model, any those skilled in the art, not departing from the scope of technical solutions of the utility model, certainly this can be utilized to disclose and technology contents makes the Equivalent embodiments that a little change or modification become equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (6)
1. the submergence type oil well pump unit with down-hole drive conversion equipment, comprise the control cabinet (1) had by arranging the frequency and realize automatic commutation function, the down-hole drive device be connected with control cabinet by oil-submersible cable (6) and be provided with the oil well pump (4) of plunger (42) and liquid outlet (43); Liquid outlet (43) is connected with oil pipe (5), it is characterized in that: down-hole drive device comprises the rotary oil-submersible motor (2) being positioned at underground bushing, and is arranged on the down-hole drive conversion equipment (3) between oil-submersible motor (2) and oil well pump (4).
2. the submergence type oil well pump unit of band down-hole drive conversion equipment according to claim 1, is characterized in that: the control cabinet (1) had by arranging the frequency and realize automatic commutation function is connected with rotary oil-submersible motor (2) by oil-submersible cable (6).
3. according to the submergence type oil well pump unit of band down-hole drive conversion equipment according to claim 1 or claim 2, it is characterized in that: down-hole drive conversion equipment (3) comprises and is arranged on leading screw (34) in conversion equipment shell (32) and pull bar (35), pull bar (35) inside is provided with screw (36), it is inner that leading screw (34) is connected to screw (36), and drive screw (36) to run, pull bar (35) is moved vertically in conversion equipment shell (32); Leading screw (34) is connected with the motor shaft (22) of oil-submersible motor (2), and pull bar (35) is connected with the plunger (42) of oil well pump (4).
4. the submergence type oil well pump unit of band down-hole drive conversion equipment according to claim 3, it is characterized in that: conversion equipment shell (32) inwall is provided with axial slideway (33), the outer wall of pull bar (35) is formed match with slideway feather key (37).
5. the submergence type oil well pump unit of band down-hole drive conversion equipment according to claim 3, is characterized in that: one end of conversion equipment shell (32) is connected with pump barrel assembly (41), the other end and oil-submersible motor shell (21) compact siro spinning technology.
6. the submergence type oil well pump unit of band down-hole drive conversion equipment according to claim 3, is characterized in that: the internal cavities of down-hole drive conversion equipment (3) is full of lubricant oil (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513574.4U CN204126864U (en) | 2014-09-09 | 2014-09-09 | A kind of submergence type oil well pump unit with down-hole drive conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513574.4U CN204126864U (en) | 2014-09-09 | 2014-09-09 | A kind of submergence type oil well pump unit with down-hole drive conversion equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204126864U true CN204126864U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420513574.4U Expired - Fee Related CN204126864U (en) | 2014-09-09 | 2014-09-09 | A kind of submergence type oil well pump unit with down-hole drive conversion equipment |
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| CN (1) | CN204126864U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234987A (en) * | 2014-09-09 | 2014-12-24 | 赵锡寰 | Submersible oil well pump set with underground drive conversion device |
| WO2016037299A1 (en) * | 2014-09-09 | 2016-03-17 | 赵锡寰 | Submersible oil well pump set having underground drive conversion device |
| CN109595145A (en) * | 2018-11-26 | 2019-04-09 | 山东泽元石油机械有限公司 | Latent oil reciprocator and its plunger pump system |
-
2014
- 2014-09-09 CN CN201420513574.4U patent/CN204126864U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234987A (en) * | 2014-09-09 | 2014-12-24 | 赵锡寰 | Submersible oil well pump set with underground drive conversion device |
| WO2016037299A1 (en) * | 2014-09-09 | 2016-03-17 | 赵锡寰 | Submersible oil well pump set having underground drive conversion device |
| WO2016037449A1 (en) * | 2014-09-09 | 2016-03-17 | 赵锡寰 | Submersible oil well pump unit having downhole drive conversion apparatus |
| CN109595145A (en) * | 2018-11-26 | 2019-04-09 | 山东泽元石油机械有限公司 | Latent oil reciprocator and its plunger pump system |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20170909 |
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| CF01 | Termination of patent right due to non-payment of annual fee |