CN208106722U - A kind of latent well formula single-cylinder vertical plunger oil-well pump - Google Patents
A kind of latent well formula single-cylinder vertical plunger oil-well pump Download PDFInfo
- Publication number
- CN208106722U CN208106722U CN201820514697.8U CN201820514697U CN208106722U CN 208106722 U CN208106722 U CN 208106722U CN 201820514697 U CN201820514697 U CN 201820514697U CN 208106722 U CN208106722 U CN 208106722U
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- Prior art keywords
- lifting shaft
- well
- camshaft
- pump
- inner hole
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- 239000003129 oil well Substances 0.000 title claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 13
- 238000010079 rubber tapping Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a kind of latent well formula single-cylinder vertical plunger oil-well pumps, including the fluid end, power end and submersible motor being assembled integrally, wherein the camshaft top of power end is located in the inner hole lower part of lifting shaft, and at least one outer inclined-plane button engaged with the surface cam molded line on camshaft is equipped in the inner hole of lifting shaft, after lifting shaft is by the cooperation of the molded line of outer inclined-plane button and camshaft, pumping for lifting shaft, lifting shaft and plunger are converted by camshaft rotary motion and plunger rod constitutes one and moves back and forth and joins.The utility model is high-efficient, energy consumption is low, disassembly simple process, conveniently, the service life it is long, and manufacturing process can meet small head well size range, be particularly suitable for stripper well and pump operating condition.
Description
Technical field
The utility model relates to pump technical fields, especially a kind of that pump outer diameter can be made to do small latent well formula single-cylinder vertical
Plunger oil-well pump is particularly suitable for stripper well oil pumping operating condition.
Background technique
Oil pump has been widely used in oil extraction in oil field technique, and oil pump is various in style, generally ground
Pumping unit (being also kowtowing machine), hydraulic piston pump, subsurface progressive cavity, centrifugal pump etc..Although existing various oil pumps are adopted
Production technology and working principle are all different, but these traditional equipments have general character deficiency：Equipment is huge, oil recovery power consumption
Greatly, low efficiency (generally below 30%), service life are short.
Since deep hundred meters even km, oil well pump maintenances of oil well mention the primary upper and lower enormous costs of well, once need up to ten thousand
Or tens of thousands of members, lead to cost of use height.Pumping unit is also to cause that oil field power consumption is big, one of reason at high cost.Currently, domestic
What is be most widely used outside is also most traditional pumping unit (kowtowing machine), such oil well pump market demand is maximum, but such is pumped
Pump is not appropriate for stripper well oil pumping, and sucker rod is easily lost, and consuming quantity oil field at home sucker rod year is several ten million tons, thus generates
Wear and tear expense number it is surprising.
Under above-mentioned overall situation, oil field upgrading synergy, green, innovation are the work slogans of numerous oil workers, and oil pumping is set
Standby Great Revolution is being unfolded, and oil field is thirsted for replacing traditional pumping unit cry very big, and stripper well waits for pumping of new generation
The birth of oily equipment.
In addition, the interior chamber size due to oil well oil-pumping pipeline limits, pump must be run in potential oil medium, so pump is outer
Diameter size is a challenge, the smaller the better.Therefore propose that one kind can meet small head well size range and stripper well oil pumping operating condition is set
It counts desired latent well formula single-cylinder vertical plunger oil-well pump and carries out underground oil pumping to substitute tradition oil pumping pump, it is significant.
Summary of the invention
For the current state of the art, the technical problem to be solved by the utility model is to provide a kind of high-efficient, energy consumptions
Low, disassembly simple process, conveniently, service life long latent well formula single-cylinder vertical plunger oil-well pump, and the pump manufacturing process can meet it is small
Mouth well size range is particularly suitable for stripper well oil pumping operating condition.
The utility model solves technical solution used by above-mentioned technical problem：This latent well formula single-cylinder vertical plunger oil pumping
Pump, including fluid end, power end and submersible motor, it is characterized in that the fluid end includes the pump housing, it is a cylindrical housings,
Top is circumscribed with tapping line, and bottom is connected with the cylindrical body of power end；And combination valve and a plunger, respectively on
Under be located in the pump housing, wherein combination valve use integral structure of the tapping valve in upper, liquid feed valve under；The power end includes institute
The cylindrical body stated, the top and bottom of fuselage are connected with the pump housing and submersible motor respectively, and whole pump is made to form circle
Shape tubular style structure；Camshaft is set in fuselage with being able to rotate, and the lower end of the camshaft is connected with submersible motor axis, top
Equipped with the surface cam of at least one；And lifting shaft, it can slide up and down to and be located in fuselage, which is equipped with and passes through up and down
The axial bore worn, and the plunger rod being connected with the plunger of power end is equipped on inner hole top, form a reciprocating motion
Connection；The camshaft top is located in the inner hole lower part of lifting shaft, and in the inner hole of lifting shaft be equipped at least one with it is convex
The outer inclined-plane button of surface cam molded line engagement on wheel shaft, after lifting shaft is by the cooperation of the molded line of outer inclined-plane button and camshaft, by
Camshaft rotary motion is converted into pumping for lifting shaft.
Further, the upper end of the camshaft is equipped with the cylindrical sliding axle portion of necking down, accordingly in plunger rod
Configured with the bearing that reciprocatingly slides for the sliding axle portion positioning in hole.
Further, a positioning sliding bearing, the outer circle of the lifting shaft upper end are equipped in the inner hole of the fuselage upper end
It is placed among the positioning sliding bearing, forms the friction pair of a reciprocating motion with lifting shaft, and lifting shaft is back and forth being transported
Play the role of positioning lubrication anti-attrition in dynamic, and the Internal hole positioning of the outer circle of lifting shaft lower end and fuselage cooperates, formation one is double
Reciprocating friction pair.
Further, there are the circumferential areas of one third as reciprocal conversion in the inner hole of the lifting shaft outer inclined-plane button
It is secondary.
Further, the lower end of the pump housing is equipped with the trapped fuel pond for opening wide oral area face fuselage upper end inner hole, the column
Plug is connected through the trapped fuel pond with the plunger rod in lifting shaft, interlocks plunger rod by lifting shaft, plunger one is acted as and up and down reciprocatingly transported
It is dynamic, form plunger lifting shaft.
Further, the admission chamber of the liquid feed valve of the combination valve is arranged in the outer circle of the pump housing.
Further, it is additionally provided with positioning sleeve in the fuselage, is equipped with main sliding bearing, the camshaft in positioning sleeve
Lower part pass through after main sliding bearing and the thrust bearing by being arranged in below positioning sleeve, spelling cap and oil sealing letter and realize axial direction
Positioning.
Further, the shoulder for the positioning sleeve, thrust bearing positioning is equipped in the inner hole of the fuselage, and
The interior screw thread coupled with the male thread of the oil sealing letter.
Further, the indent shoulder that can be mutually located and outer lug boss are equipped at the connecting portion of the pump housing and fuselage
Shoulder is connected with after positioning, and is equipped with sealing ring.
Further, the top of the pump housing connects equipped with the cock to fixed Combination valve, cock equipped with liquid outlet
Logical tapping line, is discharged liquid from tapping line through cock.
Compared with prior art, the utility model has the advantage of：Since single cylinder single plunger is arranged, camshaft setting is being risen
It is engaged in drop axis inner hole by the inclined-plane button of cam and lifting shaft inner hole, changes rotary motion to move back and forth, reduce
Outer diameter volume is suitble to oil well to use and slips into the equipment pumped in pipeline.The utility model is by fluid end, power end, latent oil
Motor becomes one, and realizes that rotation is integrated with reciprocalfunction, substantially increases pumping efficiency height, and energy can be effectively reduced
Consumption, dismounting process is simple, conveniently, the service life it is long, be particularly suitable for stripper well and pump operating condition.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the schematic diagram of main reflection power end airframe structure；
Fig. 3 is the structural schematic diagram of camshaft；
Fig. 4 is the schematic diagram of main reflection lifting axle construction；
Fig. 5 is the A-A sectional view of Fig. 4；
Fig. 6 is the structural schematic diagram of the fluid end pump housing.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
In conjunction with shown in Fig. 1-Fig. 6, the latent well formula single-cylinder vertical plunger oil-well pump of the utility model mainly includes positioned at upper
Fluid end 100, middle part power end 200 and bottom submersible motor 11, wherein：
The pump housing 12 of fluid end 100 is the outer housing of fluid end, is a cylindrical member, the fuselage 1 of lower end and power end
Between cooperated positioning by indent shoulder 122 and evagination shoulder 104, blending bolt 21 is connected together, while with sealing
Circle sealing.A trapped fuel pond 121 is equipped in 12 lower end of the pump housing, oral area opens wide and the inner hole of face power end fuselage 1, the pump housing
Outer circle is equipped with the oily window 22 communicated therewith.Inside the pump housing 12 be equipped with plunger 13, rear pressure ring 14, combination sealing 15, guide sleeve 16,
Pressure cap 17 and combination valve 18 etc., they are by being located at the intracorporal corresponding shoulder positioning installation of pump, and 13 lower end of plunger is through trapped fuel
Pond 121 is connected with the plunger rod 8 of power end, constitutes one with lifting shaft 2 and moves back and forth connection, can pump.Combination
Valve 18 is located at the top of the pump housing 12, and the integral structure using tapping valve in upper, liquid feed valve under, it passes through in pump housing upper end
Between cock 19 it is fixed, be provided with leakage fluid dram in cock 19, the tapping line 20 being connected to above it makes liquid through cock 19 from drain
It is discharged in pipeline 20, which can be from ground through to underground.The suction chamber position of the liquid feed valve of combination valve 18 is arranged
In the cylindrical outer circle of the pump housing 12, generally can be set there are three.
The fuselage 1 of power end 200 is the shell and a cylindrical member of power end, upper to connect with the pump housing 12, the next
It is connect with motor flange by locating shoulder.In the inner cavity of fuselage 1 equipped with revolving part camshaft 3, positioning sleeve 23, thrust bearing 5,
Oil sealing letter 7, lifting shaft 2 and positioning sliding bearing 10 etc., camshaft 3 is rotary shaft, in order to reduce size connection, top positioning peace
In the inner hole of lifting shaft 2, the lower end of camshaft 3 is provided with the inner hole 303 and key being directly connected to motor shaft, with motor shaft
Carry out plug-in type connection.3 top of camshaft is provided with surface cam 301, can be according to the size of driving torque, surface cam 301
Can be set to 1 or several, its outer inclined-plane button 201 with lifting shaft 2 forms molded line and engage a pair of of rotating operation conversion of composition
For reciprocation motion.Edge bottom configures main sliding bearing 4 at the surface cam 301 of camshaft, plays when camshaft 3 rotates
Radial positioning, and main sliding bearing 4 is arranged in positioning sleeve 23.The top of camshaft 3 is equipped with the cylindrical positioning sliding of necking down
Axle portion 302 configures reciprocatingly sliding in bearing 9 in plunger rod 8, realizes three-point fix to eliminate the radial clearance of camshaft 3.
Lifting shaft 2 is reciprocating part, is equipped with upper and lower perforative axial bore, and is equipped on inner hole top and can dispose column
The interior shoulder of stopper rod 8.The outer inclined-plane button 201 that matches with camshaft ramp cam 301 is equipped in inner hole, with camshaft 3 into
Row engagement, inclined-plane button 201 is arranged according to 301 quantity of surface cam of cam, lifting shaft 2 by inner cavity inclined-plane button 201 with it is convex
The molded line of wheel shaft cooperates, and can be converted into the reciprocating motion of lifting shaft by camshaft rotary motion, lifting shaft outer inclined-plane button 201 it is interior
It is secondary as reciprocal conversion that there are circumferential area one thirds in hole.Positioning up and down is arranged in lifting shaft 2, and the upper end outer circle is placed in fixed
Among the sliding bearing 10 of position, lower end is equipped with the Internal hole positioning of outer circle reference axis and fuselage 1, forms a pair of reciprocating friction pair.
Positioning sliding bearing 10 is sliding reciprocal bearing, is placed in the upper end inner hole of fuselage 1 and 12 connecting portion of the pump housing,
The friction pair of a reciprocating motion is formed with lifting shaft 2, and positioning, lubrication anti-attrition work are played in reciprocating motion to lifting shaft 2
With.
For positioning sleeve 23 in 101 upper position-arresting of shoulder of fuselage inner hole, outer circle is mounted with sealing ring, the rear end placement of positioning sleeve 23
Thrust bearing 5 is positioned on camshaft 3 with cap 6 is spelled, and 1 inner hole of fuselage is equipped with the shoulder 102 limited for thrust bearing 5.Machine
The end of body 1 is connect with motor 11, and inner hole is equipped with interior screw thread 103, and oil sealing letter 7 is connected thereto, so that rotating motion part is fixed.
This oil well pump constituted is assembled by above-mentioned component, it is φ 100mm that whole pump, which is round tube core structure maximum outside diameter, whole
Pump go into the well it is fixed positioning work is mentioned by drain pipe, cable against the outer diameter gap of pump, toward well above extract out and electricly connect.
Camshaft is driven to be rotated when submersible motor rotary motion, the surface cam on camshaft pushes in lifting shaft at this time
Engaging form wire lifting shaft hauls plunger rod and moves back and forth after inclined-plane button.Vacuum feed liquor is formed when plunger is run down
Valve is opened, and liquid enters feed liquor valve chamber from the suction inlet of fuselage outer circle, and lifting shaft is in bottom at this time；When plunger is up run
When, liquid feed valve is closed cavity pressure and is increased, and tapping valve is opened liquid and is discharged from tapping line, at this point, lifting shaft is upper, this
Sample one inhales a row and recycles progress, and the working principle for forming latent well formula single-cylinder vertical plunger oil-well pump is realized.
Claims (10)
1. a kind of latent well formula single-cylinder vertical plunger oil-well pump, including fluid end, power end and submersible motor, it is characterised in that：
The fluid end includes
The pump housing is a cylindrical housings, and top is circumscribed with tapping line, and bottom is connected with the cylindrical body of power end；
And
One combination valve and a plunger are located in the pump housing up and down respectively, and wherein combination valve uses tapping valve in upper, liquid feed valve under
Integral structure；
The power end includes
The cylindrical body, the top and bottom of fuselage are connected with the pump housing and submersible motor respectively, make whole pump
Form round tube core structure；
Camshaft is set in fuselage with being able to rotate, and the lower end of the camshaft is connected with submersible motor axis, and top is equipped at least one
A surface cam；
Lifting shaft can slide up and down to and be located in fuselage, which is equipped with upper and lower perforative axial bore, and in inner hole
Top is equipped with the plunger rod being connected with the plunger of power end, forms a reciprocating motion connection；The camshaft top positioning
At least one is equipped in the inner hole lower part of lifting shaft, and in the inner hole of lifting shaft to engage with the surface cam molded line on camshaft
Outer inclined-plane button lifting is converted by camshaft rotary motion after the molded line cooperation that lifting shaft passes through outer inclined-plane button and camshaft
Axis pumps.
2. latent well formula single-cylinder vertical plunger oil-well pump as described in claim 1, it is characterised in that：The upper end of the camshaft is set
There is the cylindrical sliding axle portion of necking down, accordingly configured with for the reciprocal of the sliding axle portion positioning in the inner hole of plunger rod
Sliding bearing.
3. latent well formula single-cylinder vertical plunger oil-well pump as described in claim 1, it is characterised in that：The inner hole of the fuselage upper end
In be equipped with a positioning sliding bearing, the outer circle of the lifting shaft upper end is placed among the positioning sliding bearing, and under lifting shaft
The outer circle at end and the Internal hole positioning of fuselage cooperate.
4. latent well formula single-cylinder vertical plunger oil-well pump as described in claim 1, it is characterised in that：The lifting shaft outer inclined-plane button
Inner hole in that there are the circumferential areas of one third is secondary as reciprocal conversion.
5. latent well formula single-cylinder vertical plunger oil-well pump as described in claim 1, it is characterised in that：The lower end of the pump housing is equipped with
The trapped fuel pond of oral area face fuselage upper end inner hole is opened wide, the plunger is connected through the trapped fuel pond with the plunger rod in lifting shaft
It connects, plunger rod is interlocked by lifting shaft, plunger one is acted as and pumped.
6. latent well formula single-cylinder vertical plunger oil-well pump as described in claim 1, it is characterised in that：The liquid feed valve of the combination valve
Suction chamber position be arranged in the outer circle of the pump housing.
7. such as latent well formula single-cylinder vertical plunger oil-well pump as claimed in any one of claims 1 to 6, it is characterised in that：The machine
It is additionally provided with positioning sleeve in body, is equipped with main sliding bearing in positioning sleeve, the lower part of the camshaft passes through after main sliding bearing simultaneously
Axially position is realized and the thrust bearing, spelling cap and oil sealing letter being arranged in below positioning sleeve.
8. latent well formula single-cylinder vertical plunger oil-well pump as claimed in claim 7, it is characterised in that：It is set in the inner hole of the fuselage
Have for the shoulder of the positioning sleeve, thrust bearing positioning, and the interior screw thread coupled with the male thread of the oil sealing letter.
9. latent well formula single-cylinder vertical plunger oil-well pump as described in claim 1, it is characterised in that：The pump housing and fuselage
The indent shoulder and evagination shoulder that can be mutually located are equipped at connecting portion.
10. latent well formula single-cylinder vertical plunger oil-well pump as described in claim 1, it is characterised in that：The top of the pump housing fills
There is the cock to fixed Combination valve, cock is equipped with liquid outlet and is connected to tapping line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514697.8U CN208106722U (en) | 2018-04-12 | 2018-04-12 | A kind of latent well formula single-cylinder vertical plunger oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514697.8U CN208106722U (en) | 2018-04-12 | 2018-04-12 | A kind of latent well formula single-cylinder vertical plunger oil-well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208106722U true CN208106722U (en) | 2018-11-16 |
Family
ID=64121276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820514697.8U Withdrawn - After Issue CN208106722U (en) | 2018-04-12 | 2018-04-12 | A kind of latent well formula single-cylinder vertical plunger oil-well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208106722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302021A (en) * | 2018-04-12 | 2018-07-20 | 宁波合力机泵股份有限公司 | A kind of latent well formula single-cylinder vertical plunger oil-well pump |
-
2018
- 2018-04-12 CN CN201820514697.8U patent/CN208106722U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302021A (en) * | 2018-04-12 | 2018-07-20 | 宁波合力机泵股份有限公司 | A kind of latent well formula single-cylinder vertical plunger oil-well pump |
| CN108302021B (en) * | 2018-04-12 | 2024-07-05 | 宁波合力机泵股份有限公司 | Submersible well type single-cylinder vertical plunger oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181116 Effective date of abandoning: 20240705 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181116 Effective date of abandoning: 20240705 |