CN107339236B - A kind of pumping plant - Google Patents
A kind of pumping plant Download PDFInfo
- Publication number
- CN107339236B CN107339236B CN201710758308.6A CN201710758308A CN107339236B CN 107339236 B CN107339236 B CN 107339236B CN 201710758308 A CN201710758308 A CN 201710758308A CN 107339236 B CN107339236 B CN 107339236B
- Authority
- CN
- China
- Prior art keywords
- rotor
- plugging block
- guide channel
- oil guide
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention relates to a kind of pumping plants, including motor and the pump being driven by motor, pump includes the pump housing with cylindrical hole inner cavity, rotor is provided in the pump housing, the section of rotor is polygonized structure, it is formed and the tangent fin of cylindrical hole between two adjacent sides, the Oil Guide channel of connection fin circumferential direction two sides is provided at each fin, plugging block is equipped with along rotor radial guiding movement on rotor, plugging block has in its shift motion gets out of the way the first position in the Oil Guide channel and moves and block the second position in the Oil Guide channel outwardly under the action of the centrifugal force, the spring for applying active force to the plugging block and plugging block being forced to be in first position is provided on rotor, the outside end of plugging block is provided with plugging block end tooth, it is provided on the respective side conduit wall in Oil Guide channel and inserting is closed for the plugging block end tooth with the second position to form fan Palace sealing structure rotor end tooth.The present invention solves the problems, such as that the starting load of motor in existing pumping plant is larger.
Description
Technical field
The present invention relates to a kind of pumping plants.
Background technique
General pumping plant mainly includes motor, pump and hydraulic oil container, wherein the core component of motor and pump as pumping plant,
The quality of performance is most important to pumping plant.Existing pump " pump " as disclosed in Chinese patent CN101749228A, which includes base
, the pump housing is provided on pedestal, the pump housing has cylindrical hole inner cavity, is provided with pivot center in cylindrical hole inner cavity and prolongs along the longitudinal direction
The rotor stretched, the section of rotor are polygonized structure, and the seamed edge between two adjacent sides is cut with cylindricality Kongxiang.The periphery of the pump housing is set
It is equipped with hole, guiding movement is equipped with baffle at hole, which is divided into inlet and liquid outlet by baffle, and rotor is cylinder, partition
One end and rotor outer periphery face sliding pushing tow cooperation.
In use, rotor clockwise rotates, the cavity of rotor two sides communicates with inlet and liquid outlet respectively, wherein with into
The cavity that liquid mouth communicates is low pressure chamber, and the cavity communicated with liquid outlet is high pressure chest, and partition cooperates with rotor sliding pushing tow always
Guarantee that low pressure chamber and high pressure chest are obstructed, during rotation, hydraulic oil is inhaled into low pressure chamber through oil inlet to rotor, with rotor
Rotation is squeezed and is discharged through oil outlet, realizes pump oil.Existing this pump has problems in that: rotor is driven by a motor and turns
It is dynamic, for corresponding motor, the larger not only power consumption of starting load but also also larger to the loss of motor, and in the prior art, motor
Also hydraulic oil is filled with when starting in low pressure chamber, to complete to do work to hydraulic oil could complete the starting of motor, this is increased by
The starting load of motor, lowest power when not only resulting in choice of electrical machine increased, and also will affect the normal energy consumption of motor.
Summary of the invention
The purpose of the present invention is to provide a kind of pumping plants, and the starting load to solve motor in existing pumping plant is biggish to ask
Topic.
In order to solve the above technical problems, technical scheme is as follows:
A kind of pumping plant, including motor and the pump being driven by motor, pump includes the pump housing with cylindrical hole inner cavity, is set in the pump housing
Be equipped with the rotor that pivot center extends along the longitudinal direction, the section of rotor is polygonized structure, formed between two adjacent sides with
The tangent fin of cylindrical hole, is provided with the inlet opening and fluid hole separated by partition on the pump housing, one end of partition and rotor it is outer
Circumferential surface slides pushing tow cooperation, is provided with the Oil Guide channel of connection fin circumferential direction two sides at each fin, along rotor radial on rotor
Guiding movement is equipped with plugging block, plugging block have in its shift motion the first position for getting out of the way the Oil Guide channel and from
The second position in the Oil Guide channel is moved and blocked under mental power function outwardly, is provided with to apply to the plugging block on rotor and make
Plugging block is firmly forced to be in the spring of first position, the outside end of plugging block is provided with plugging block end tooth, Oil Guide channel
Respective side conduit wall on be provided with for the plugging block end tooth with the second position to inserting close with formed labyrinth seal structure turn
Sub- end tooth.
The spring is the tension spring being set on the inside of plugging block.
Each side cross-sectional shape of rotor is the arc of indent.
Pumping plant further includes fuel tank and the oil pipe that is connected on fluid hole, and fuel tank is connected with the inlet opening.
The invention has the benefit that, when rotor does not rotate, being acted on by spring in the present invention, plugging block is in first
Position, the circumferential two sides of Oil Guide channel connection rotor, when rotor ground zero, since revolving speed is also relatively slow, centrifugal force is not enough to
Overcome the active force of spring, therefore Oil Guide channel is still connected, the oil pressure of rotor circumferential direction two sides is consistent, therefore the starting of rotor
Load is smaller, and when the speed of rotor reaches certain value, the centrifugal force of plugging block overcomes the active force of spring, and plugging block is moved outwardly
It moves to the second position, Oil Guide channel is blocked, to realize normal fuel feeding, plugging block end tooth and rotor end tooth after inserting to forming
Labyrinth seal structure, with this come when guaranteeing that plugging block is in the second position, Oil Guide channel is by good sealing.
Detailed description of the invention
Fig. 1 is status diagram when pumping inactive in the embodiment of the present invention；
Fig. 2 is the status diagram in the embodiment of the present invention after pump startup；
Fig. 3 is the top view of rotor in Fig. 1；
Fig. 4 is enlarged drawing at A in Fig. 2；
Fig. 5 is the cooperation schematic diagram of brake device for electrical machinery and motor shaft in the embodiment of the present invention；
Fig. 6 is the cooperation schematic diagram of motor shaft and bearing block in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram that spanner is adjusted in the embodiment of the present invention；
Fig. 8 is the side view of Fig. 7；
Fig. 9 is the cooperation schematic diagram of electric machine casing and the pump housing in the embodiment of the present invention.
Specific embodiment
The implementation of pumping plant is for example shown in Fig. 1 ~ 9 in the present invention: including motor 37 and pump 36, pump 36 includes having in cylindrical hole
The pump housing 2 of chamber, the rotor 5 that pivot center extends along the longitudinal direction is provided in the pump housing 2, and the cross section of rotor is polygon knot
Structure, each side of rotor are in the arc of indent, are formed and the tangent extension along the longitudinal direction of cylindrical hole between two adjacent sides
Fin 50, be provided with the inlet opening 8 and fluid hole 1 separated by partition 9 on the pump housing, partition 9 reciprocal can be moved along the radial of rotor
It is dynamic, the inner end of partition 9 and the outer peripheral surface sliding pushing tow cooperation of rotor 5.Connection fin circumferential direction two sides are provided at each fin 50
Oil Guide channel 7, the longitudinal section in Oil Guide channel 7 is arc-shaped structure, and the center of circle of arc-shaped structure be in neighbouring turn of Oil Guide channel
The side of sub- rotation axis, the Oil Guide channel at each fin have multiple, and the Oil Guide channel at each fin is between rotor axial
Compartment 71 between arrangement, each Oil Guide channel of every side can play the role of supporting clapboard 9 to avoid partition plate
Clamping stagnation is into Oil Guide channel.The both ends of rotor are additionally provided with the pilot hole that guide direction extends along rotor radial, each pilot hole
In be individually directed movement be equipped with plugging block 4, each plugging block 4 is corresponding with corresponding Oil Guide channel 7 respectively, and plugging block exists
There is the first position for getting out of the way corresponding Oil Guide channel 7 in its shift motion and move outwardly under the action of the centrifugal force and block correspondence
The second position in Oil Guide channel 7 is provided on rotor 5 corresponding with each plugging block for corresponding plugging block application active force
And plugging block is forced to be in the spring of first position, spring is the tension spring 6 being set on the inside of plugging block in the present embodiment, plugging block
Outside end be provided with plugging block end tooth 72, the rotor end tooth for being adapted to interfix with plugging block end tooth is provided on rotor
73, labyrinth seal, each monodentate in plugging block end tooth, rotor end tooth are formed after plugging block end tooth 72 and 73 interfix of rotor end tooth
It is v-shaped structure, labyrinth seal structure is a kind of common seal form, when there is hydraulic oil to enter plugging block end tooth and rotor
After in gap between end tooth, the other side that tortuous path will prevent hydraulic oil from flowing to plugging block can guarantee to turn in this way
In sub- During regular rotation, the excellent sealing in Oil Guide channel, while the both ends support to plugging block 4 is also formed, guarantee plugging block 4
Anti-pressure ability, guarantee the service life that works under high oil pressure of plugging block.When motor is inactive, acted on by tension spring 6, it is each to seal
Sprue be in get out of the way corresponding Oil Guide channel first position as shown in Figure 1, motor in incipient start-up course, rotor speed
Smaller, the centrifugal force of plugging block is not enough to overcome the active force of pressure spring, therefore Oil Guide channel is always to be connected, rotor circumferential two
The pressure of side is identical, and the resistance that rotor motion is subject to is just smaller, and low-load starting may be implemented, and low-power machine can be realized
The load of rotor starts, after rotor speed reaches certain speed, such as after motor speed reaches 1000r/min, rotor
Centrifugal force overcomes the elastic force of pressure spring, and plugging block is displaced outwardly Oil Guide passage plugging, pumps and normal fuel injection can be achieved.Actual use
When, can according to requirements, select suitable spring or adjust the preload amount of spring come adjust motor can in what revolving speed
To realize normal fuel injection.Pumping plant further includes fuel tank (not shown), and motor and pump are installed on fuel tank, the inlet opening and oil of pump
Case is connected, and the fluid hole of pump is connected with oil pipe, with to other equipment fuel feeding.
Motor includes the electric machine casing 12 connecting with the pump housing, arranges before and after electric machine casing 12, the pump housing 2, sets in electric machine casing
It is equipped with the motor shaft 18 that pivot center extends along the longitudinal direction, dynamic sealing mechanism 30 is provided between motor shaft 18 and the pump housing 2, electricity
The front side of dynamic sealing mechanism 30 is provided with drain nut 32 on arbor 18, is evenly distributed on the outer edge of drain nut 32
There are multiple notches 33.Annular groove 34 corresponding with drain nut 32 is provided on electric machine casing, annular groove 34 is in dynamic
The front side of sealing mechanism, the bottom of annular groove 34 are provided with drainage hole 35, and the upper end of electric machine casing is provided with air inlet 31, into
Stomata 31 is in the front side of dynamic sealing mechanism 30, and breather cheek valve is provided at air inlet 31, and gas can enter through the external world, but
It is that internal liquid cannot be discharged through breather cheek valve.The liquid sucting port 10 with high pressure chest connection, liquid sucting port are provided on the pump housing
Liquid non-return valve is provided at 10, liquid can enter the pump housing through liquid sucting port, but cannot be discharged through liquid sucting port, liquid sucting port 10
It is connect with drainage hole 35 by hose.In normal use, dynamic sealing mechanism may fail power assembly, at this time the liquid in pump
Pressure oil can be through flow direction motor between dynamic sealing mechanism and motor shaft, after hydraulic oil flows on drain nut 32,32 quilt of hydraulic oil
Get rid of into annular groove 34, and annular groove 34 then through drainage hole 35, liquid sucting port 10 and pump low pressure chamber be connected, leakage it is hydraulic
Oil can be drawn into low pressure chamber again, participate in the pump oil of next stage.
Motor further includes the brake device for electrical machinery for braking to motor shaft, and brake device for electrical machinery includes multiple along week
To spaced apart brake units 13, each brake units 13 include can be along the brake shoes of motor shaft radial floating by spring
16, brake units further include the fixation steel disc 14 being oppositely arranged with brake shoes, and system is provided between brake shoes 16 and electric machine casing
It moves spring 15, electromagnetic coil is provided in brake shoes 16, electromagnetic coil is electrically connected with the supply lines of motor.Figure middle term 17 indicates bullet
Spring guide cylinder, in motor normal power supply, electromagnetic coil, which is powered, generates magnetic force and attracting with fixed steel disc 14, overcomes braking with this
Acting force of the spring, brake shoes are not contacted with motor shaft, when motor power-off, by the effect of tripping spring, each brake shoes with electricity
Arbor contacts and realizes friction catch.Entire brake units are arranged on fixed electric machine casing, rather than are arranged in electricity
On arbor, when motor shaft normal rotation, does not need to expend more loads, facilitates energy conservation, while becoming to solenoid yet
It must be more easier, whole device is easy to accomplish, and is not easy to break down.
General bearing block is provided in the end of electric machine casing, general bearing block is adapted to the electricity of plurality of specifications size
Arbor, basic structure are as follows: bearing block includes frame-shaped body 21, and the clamping list of a pair of opposing is provided on frame-shaped body
Member, two clamping units are referred to as clamping unit 20 and lower clamping unit 19, and each clamping unit includes and frame shape sheet
The screw rod 23 that body is threadedly coupled, the screw flight of upper and lower clamping unit is oppositely oriented and is coaxially set, and the inner end of screw rod is set
It is equipped with grip block 24, screw rod can be rotated relative to grip block, gripped between two grip blocks for matching with motor shaft 18
The bearing 25 of conjunction.The upper end of the screw rod of upper clamping unit is provided with the upper vertical bar jack 22 axially vertical with screw rod, lower bearing list
The lower end of the screw rod of member is provided with the lower vertical bar jack 50 axially vertical with screw rod, and upper and lower vertical bar jack respectively constitutes two spiral shells
The torque input structure of bar.Bearing block further includes the adjustment spanner for adjusting distance between the grip block of upper and lower clamping unit,
Adjust spanner as seen in figs. 5-6 comprising cross bar 27 and two can be along the vertical bar 26 of 27 extending direction guiding movement of cross bar, vertical bars
26 are slidably matched by the T shape end 28 of its end and the guiding of T-slot 29 on cross bar 27, in use, two vertical bars 26 of adjustment
Position, two vertical bars are respectively inserted in the correspondence vertical bar jack of upper and lower clamping unit, then move cross bar around the axis of screw rod
Line rotation, cross bar drive two vertical bars to swing, to drive each screw rod to rotate, to realize the grip block of upper and lower clamping unit
Relative movement adjustment is moved away from adjustment, and to match the bearing of different-diameter, which is had the beneficial effect that, two spiral shells
The rotational angle of bar is consistent, therefore the moving distance of the grip block of upper and lower clamping unit is consistent, this is ensured that
No matter how general bearing block adjusts, and can guarantee that the center of bearing is constant, prevents motor axis deviation and causes bearing
Abrasion is very fast.In other embodiments of the invention, adjustment spanner can also not as bearing block technical solution a part, than
Such as say in addition adjustment spanner can be sold separately；Torque input structure on screw rod is also possible to flat head structure, at this time can be
Driving groove with the cooperation of flat head structure rotation stop is set on vertical bar.
Claims (4)
1. a kind of pumping plant, including motor and the pump being driven by motor, pump includes the pump housing with cylindrical hole inner cavity, is arranged in the pump housing
There is the rotor that pivot center extends along the longitudinal direction, the section of rotor is polygonized structure, formation and column between two adjacent sides
The tangent fin in shape hole inner cavity, is provided with the inlet opening and fluid hole separated by partition on the pump housing, one end of partition and rotor
Outer peripheral surface slides pushing tow cooperation, it is characterised in that: the Oil Guide channel of connection fin circumferential direction two sides, rotor are provided at each fin
On along rotor radial guiding movement be equipped with plugging block, plugging block has get out of the way the Oil Guide channel the in its shift motion
One position and the second position for moving and blocking the Oil Guide channel outwardly under the action of the centrifugal force are provided with to described on rotor
Plugging block applies active force and plugging block is forced to be in the spring of first position, and the outside end of plugging block is provided with plugging block end
Tooth is provided on the respective side conduit wall in Oil Guide channel and closes inserting to form labyrinth for the plugging block end tooth with the second position
Sealing structure rotor end tooth.
2. pumping plant according to claim 1, it is characterised in that: the spring is the tension spring being set on the inside of plugging block.
3. pumping plant according to claim 1, it is characterised in that: each side cross-sectional shape of rotor is the arc of indent
Shape.
4. pumping plant described in any one according to claim 1 ~ 3, it is characterised in that: pumping plant further includes fuel tank and is connected to out liquid
Oil pipe on hole, fuel tank are connected with the inlet opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758308.6A CN107339236B (en) | 2017-08-29 | 2017-08-29 | A kind of pumping plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758308.6A CN107339236B (en) | 2017-08-29 | 2017-08-29 | A kind of pumping plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107339236A CN107339236A (en) | 2017-11-10 |
| CN107339236B true CN107339236B (en) | 2019-01-08 |
Family
ID=60214964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710758308.6A Expired - Fee Related CN107339236B (en) | 2017-08-29 | 2017-08-29 | A kind of pumping plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107339236B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL124545C (en) * | 1962-01-31 | |||
| CN101749228A (en) * | 2008-12-15 | 2010-06-23 | 陈双利 | Pump |
| JP2013011194A (en) * | 2011-06-28 | 2013-01-17 | Calsonic Kansei Corp | Vane type compressor |
-
2017
- 2017-08-29 CN CN201710758308.6A patent/CN107339236B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107339236A (en) | 2017-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Zhuo Inventor before: Ma Laixun |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20190829 |