CN206617288U - A kind of speed change double action for reciprocating pump - Google Patents
A kind of speed change double action for reciprocating pump Download PDFInfo
- Publication number
- CN206617288U CN206617288U CN201621029436.4U CN201621029436U CN206617288U CN 206617288 U CN206617288 U CN 206617288U CN 201621029436 U CN201621029436 U CN 201621029436U CN 206617288 U CN206617288 U CN 206617288U
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- Prior art keywords
- input shaft
- reciprocating pump
- crank
- gear
- liquid
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- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of speed change double action for reciprocating pump, including：Motor；Motor pulley, the motor pulley is arranged on the motor；Shaft pulley is inputted, the input shaft pulley is arranged on input shaft；Belt, the belt is arranged on motor pulley and input shaft pulley；Casing, the casing is used to fix each part；Bearing；Input shaft, the input shaft provides power for reciprocator；Input shaft support base, the input shaft support base provides intermediate supports for input shaft；Eccentric gear, the eccentric gear is rotated with input shaft, is used as driving wheel；Non-circular gear, the non-circular gear is engaged with the eccentric gear, is used as driven pulley；Crank, the crank rotates with the non-circular gear；Crank bearing, the crank bearing is to support the crank；Plunger pump, the plunger pump is driven by crank.The utility model is realized can voluntarily change the pressure and speed of pump in operation, the characteristics of with compact conformation, efficiency high.
Description
Technical field
The utility model belongs to mechanical motion mechanism technical field, more particularly, to a kind of speed change Double-action reciprocating plunger
Pump.
Background technology
At present, reciprocal transmission machinery is widely used in plunger pump, but is mainly single-acting post in existing plunger pump
Pump is filled in, and plunger motion speed and pressure can not be automatically adjusted according to reciprocal stroke acting size in plunger pump motion process
Size, and the speed and circuit die of reciprocal stroke, this traditional plunger pump can only be changed by the rotating speed of input shaft is changed
Big with volume, energy consumption is big, the shortcomings such as whard to control and inefficiency.
Utility model content
The purpose of this utility model is to overcome above-mentioned shortcoming voluntarily to change speed and post there is provided one kind
Fill in that pump pressure, compact conformation, efficiency is higher and the less double action for reciprocating pump of energy consumption.Therefore, the purpose of this utility model is
Propose it is a kind of can voluntarily speed change and transformation double action for reciprocating pump.
The utility model is a kind of speed change double action for reciprocating pump, and its parts includes：Motor, the motor is used as power
Source, original power is provided for plunger pump system；Motor pulley, the motor pulley is exported by key installed in the motor
Rotated on axle with axle；Shaft pulley is inputted, the input shaft pulley is arranged on input shaft by key, and torsion is provided for input shaft
Square, driving input shaft is rotated；Belt, the belt is arranged on the motor pulley and the input shaft pulley, by electricity
The output torque of machine passes to input shaft；Casing, the casing is made up of upper box and lower box respectively, and the upper lower box is
Monoblock cast structure, the box house is machined with the different hole of size each parts is fixedly mounted.Bearing, the axle
Hold and be fixed between the upper box and lower box, to support and fix input shaft；Input shaft, the input shaft is installed
On the bearing, keyway is machined with the input shaft, input shaft rotates and provides power for the reciprocator of pump；Input shaft branch
Seat is supportted, the input shaft support base is arranged on the lower box, and intermediate supports are provided for the input shaft；Eccentric gear, institute
State eccentric gear to be connected with input shaft installation by key, be used as the driving wheel of the reciprocating mechanism of pump；Non-circular gear, institute
State non-circular gear to be connected on the bent axle of crank side by key installation, the gear teeth meshing of its gear teeth and the eccentric gear is made
For driven pulley.Crank, crank two ends bent axle is fixed on crank bearing, and middle bent axle is connected with plunger connecting rod, the song
Axle rotates under the driving with the non-circular gear, so as to drive plunger to be moved reciprocatingly in the pump housing；Crank bearing,
The crank rest base is fixed on the lower box, and its top is machined with through hole and the side crank shaft phase of crank two
Coordinate, to support and fixed crank；Plunger pump, the plunger pump is fixed between the upper box and lower box, separately
One end is connected by bent axle in the middle of plunger connecting rod and the crank, so as to drive plunger to move reciprocatingly, completes suction liquid
Acted with liquid is extruded.
Specifically, the reciprocating pump includes：The pump housing, the pump housing is fixed between the upper box and lower box, as
The passage of piston reciprocation motion；Plunger, the plunger is engaged with the pump housing inwall, and the other end passes through pivot pin and plunger connecting rod
Connection；Plunger connecting rod, described plunger connecting rod one end is connected with the plunger, and the other end connects with the center crank axle on the crank
Connect, play a part of power transmission；The plunger is connected by pivot pin, the pivot pin with described plunger connecting rod one end：Feed tube, institute
State feed tube with pump housing bottom to be connected, the passage entered in the pump housing as liquid；Drain pipe, the drain pipe and pump housing top phase
Even, the passage of the pump housing is discharged as pressure fluid；Liquid sucting valve, the liquid sucting valve is connected with the feed tube, past in the plunger
The liquid in the feed tube is sucked by the pump housing by the liquid sucting valve when moving again；Hydraulic fluid valve, the hydraulic fluid valve and institute
State drain pipe to be connected, the pressure fluid in the pump housing is output to by institute by the hydraulic fluid valve when the piston reciprocation is moved
State in drain pipe.
Specifically, liquid sucting valve and the hydraulic fluid valve is check valve, including：Valve body, the valve body and the feed tube or
Drain pipe is connected；Valve element, the valve element is ball valve, the inlet to block the valve body side；Spring, the spring one end
The liquid outlet other end for being fixed on the valve body side compresses the valve element, is changed by fluid pressure size suffered by the valve element
Become the decrement of spring and realize the unlatching of valve and close.
Specifically, in a kind of speed change double action for reciprocating pump, three groups of (notes are installed：Three groups are installed, is to illustrate
It is convenient；As needed, one group or two groups can be designed to or multigroup) reciprocating drive mechanism, every group of reciprocating drive
By an eccentric gear and both sides two (can also side one), the non-circular gear engages driving for mechanism, so as to drive
Dynamic both sides plunger pump work, crank described in adjacent reciprocating mechanism is on space arrangement in 120 degree of distributions.
The beneficial effects of the utility model are：A kind of speed change double action for reciprocating pump of the utility model is by using a bias
The engaged transmission of gear and two non-circular gears, realizes the target that the plunger pump of both sides two works simultaneously, and in plunger pump
The size of pressure size and movement velocity can voluntarily be changed in motion process, with compact conformation, can voluntarily change circuit die
The characteristics of with velocity magnitude, efficiency high, low energy consumption；Moreover, the crank of eccentric gear both sides increases spatially in 120 degree of distributions
Mechanism traveling comfort is added, it is ensured that the stability of fluid flow in feed tube and drain pipe.Therefore, this plunger pump has
It is widely applied scope and promotional value.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is according to a kind of structural representation of speed change double-action plunger pump of the present utility model；
Fig. 2 is the front view according to single group speed change double-action plunger pump of the present utility model and transmission mechanism；
Fig. 3 is the structural representation according to plunger pump oil sucting valve of the present utility model and force feed valve；
Fig. 4 is the rearview according to single group speed change double-action plunger pump of the present utility model and drive mechanism.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
It to be to be joined directly together, can also be indirectly connected to by intermediary, can be the connection of two element internals.
A kind of plunger pump technique field according to the utility model embodiment is described below with reference to Fig. 1-Fig. 4, is especially related to
And a kind of speed change double-action plunger pump.
According to a kind of speed change double-action plunger pump of the utility model embodiment, motor 1, motor pulley 2, input shaft skin
Belt wheel 3, belt 4, casing 5, bearing 6, input shaft 7, input shaft support base 8, eccentric gear 9, non-circular gear 10, crank 11, song
Handle bearing 12 and piston mechanism 13.
As shown in figure 1, the motor 1 provides original power as power source for plunger pump system；The motor pulley 2
It is arranged on the output shaft of motor 1 and is rotated with axle by key；The input shaft pulley 3 is arranged on the input shaft by key
On 7, input shaft 7 provides moment of torsion, and driving input shaft 7 is rotated；The belt 4 is arranged on the motor pulley 2 and the input
On shaft pulley 3；The casing 5 is made up of two parts, respectively lower box 51 and upper box 52, the upper box 52 and nowel
The edge of body 51 is machined with through hole, and they are connected by bolt.The left and right sides of casing 5 is provided with bearing 6, to prop up
Multiple keyways are machined with support and fixed input shaft 7, the input shaft 7, input shaft 7 rotates and provides power for reciprocator；It is defeated
Enter the bottom of axle support base 8 to be fixed on lower box 51 and provide intermediate supports with input shaft 7 is combined into bearing 6；The input shaft 7
On be separately installed with 3 size identical eccentric gears 9 and rotated with the axis as driving wheel；The non-circular gear 10 is distributed in pairs
The left and right sides of eccentric gear 9, and be fixed on by key on the bent axle of the one end of crank 11, its gear teeth and eccentric gear 9
Engagement, is rotated as driven pulley with eccentric gear 9；The crank 11, crank bearing 12 is fixed on by both sides crank axle
On, the center crank axle of crank 11 is connected with plunger pump 13, two non-circular gears 10 of the left and right sides, in the driving of eccentric gear 9
Under, rotating Vortex and then drive both sides crank 11 to rotate, final driving plunger pump 13 does work, and completes suction liquid and extrudes liquid
Process.
As shown in Fig. 2 13 points of plunger pump be the pump housing 131, plunger 132, plunger connecting rod 133, pivot pin 134, feed tube 135,
Drain pipe 136, liquid sucting valve 137 and hydraulic fluid valve 138 are constituted, and the pump housing 131 is fixed between the upper box 52 and lower box 51, are made
For the reciprocating passage of plunger 132, the one end of plunger connecting rod 133 is connected with the center crank axle of crank 11, and the other end passes through axle
Pin 134 is connected with plunger 132, and driving plunger 132 moves back and forth in the pump housing 131 and completes imbibition and hydraulic fluid process.In plunger 132
In reciprocatory movement, non-circular gear 10-1 and 10-2 rotating Vortexes under the driving of eccentric gear 9 in both sides pass through the band of crank 11
Dynamic both sides plunger 132 does reciprocating motion in the same direction, so as to ensure that when both sides plunger 132 does work in the opposite direction, i.e., when side plunger
When pumping enters liquid, opposite side plunger pump outwards extrudes liquid.
As shown in figure 3, liquid sucting valve 137 and hydraulic fluid valve 138 are check valve, including：Valve body a, spring b, valve element c；Work as post
Fill in pump 13 suction liquid when, the counter motion of plunger 132, now hydraulic fluid valve 138 close, the inner spring b of liquid sucting valve 137 is compressed, and is entered
Liquid enters the pump housing 131 by valve element c gaps in liquid pipe 135；When plunger pump 13 extrudes liquid, the positive movement of plunger 132, this
When liquid sucting valve 137 close, the inner spring b of hydraulic fluid valve 138 is compressed, and liquid passes through the inner spool c gaps of hydraulic fluid valve 138 in the pump housing 131
Into drain pipe 136；Plunger 132, which is moved back and forth, completes suction liquid and extrusion liquid process.
As shown in figure 4, when plunger pump 13-1 extrudes liquid, the near-end of eccentric gear 9 and non-circular gear 10-1 long end
Engagement, in the case where the moment of torsion of input shaft 7 is constant, eccentric gear 9 passes to non-circular gear 10-1 power increase, and then increases non-
Knucle-gear 10-1 output torque, driving plunger pump 13-1 completes to extrude liquid process；At the same time, plunger pump 13-2 inwardly inhales
Enter liquid, the long end of eccentric gear 9 is engaged with non-circular gear 10-2 short ends, adds the length of the arm of force, improve non-circular gear
10-2 rotary speed, so as to shorten the time of suction liquid process.
In short, according to a kind of speed change double-action plunger pump of the utility model embodiment, by using an eccentric tooth
The engaged transmission of wheel and two non-circular gears, realizes one group of actuating unit while driving two plunger pumps while the mesh worked
Mark, and can voluntarily be changed by the length for the arm of force for changing eccentric gear during plunger pump sucks liquid, extrudes liquid
The size of both sides non-circular gear output torque size and rotary speed, so that the plunger pump suction liquid time is shortened, with knot
Structure is compact, can voluntarily change output torque and the characteristics of the size of piston reciprocation speed, efficiency high, low energy consumption, moreover, eccentric tooth
The crank of both sides is taken turns spatially in 120 degree of distributions, mechanism traveling comfort is added, it is ensured that in feed tube and drain pipe
The stability of fluid flow.Therefore, this speed change double-action plunger pump is with a wide range of applications and promotional value.
Claims (5)
1. a kind of speed change double action for reciprocating pump, it is characterised in that including：Motor, the motor is used as power source；Motor belt
Wheel, the motor pulley is arranged on the motor output shaft and rotated with axle；Input shaft pulley, the input shaft pulley
On input shaft, driving input shaft is rotated；Belt, the belt is arranged on the motor pulley and the input shaft skin
On belt wheel, the output torque of motor is passed into input shaft；Casing, the casing fixes each parts for installation；Bearing,
The bearing is to support and fix input shaft；Input shaft, the input shaft rotates and provides power for reciprocator；Input shaft branch
Seat is supportted, the input shaft support base provides intermediate supports for input shaft；Eccentric gear, the eccentric gear is rotated with input shaft,
It is used as the driving wheel of reciprocator；Non-circular gear, the non-circular gear is engaged with the eccentric gear, is used as driven pulley；Crank,
The crank rotates with the non-circular gear；Crank bearing, the crank bearing is to support and fix the crank；Back and forth
Pump, the reciprocating pump is connected with the crank, completes suction liquid and extrudes liquid action.
2. a kind of speed change double action for reciprocating pump according to claim 1, it is characterised in that be separately installed with the casing
Three groups of double action for reciprocating pump；The power of every group of double action for reciprocating pump drives both sides two described non-by an eccentric gear
Knucle-gear rotates, so as to drive reciprocating pump described in both sides to complete suction liquid by crank and extrude liquid process；Also, it is described
When eccentric gear is rotated, the direction of motion of both sides reciprocating pump inner plunger is identical, and acting is in opposite direction.
3. a kind of speed change double action for reciprocating pump according to claim 1, it is characterised in that any one group of double acting wherein
In reciprocating pump, acting is in opposite direction in reciprocating pump described in both sides；When reciprocating pump described in side extrudes liquid, the eccentric gear
Near-end engaged with the distal end of the non-circular gear, in the case where the input shaft torque is constant, eccentric gear output
Power increases, the non-circular gear arm of force increase, so that the non-circular gear output torque increases, drives the reciprocating pump inner prop
Fill in and the liquid in the pump housing is pressed into drain pipe, with the function of making plunger be automatically increased the extruding force of liquid.
4. a kind of speed change double action for reciprocating pump according to claim 3, it is characterised in that when reciprocating pump wherein described in side
When extruding liquid, reciprocating pump described in opposite side starts to suck liquid；Now the eccentric gear length end and the non-circular gear are short
End engagement, accelerates non-circular gear rotary speed.
5. a kind of speed change double action for reciprocating pump according to claim 1, it is characterised in that three groups of Double-action reciprocating pump powers
It is distributed in system per the crank of side three on space arrangement in 120 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029436.4U CN206617288U (en) | 2016-08-23 | 2016-08-23 | A kind of speed change double action for reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029436.4U CN206617288U (en) | 2016-08-23 | 2016-08-23 | A kind of speed change double action for reciprocating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206617288U true CN206617288U (en) | 2017-11-07 |
Family
ID=60228562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621029436.4U Expired - Fee Related CN206617288U (en) | 2016-08-23 | 2016-08-23 | A kind of speed change double action for reciprocating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206617288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482877A (en) * | 2021-07-19 | 2021-10-08 | 燕山大学 | Non-circular gear driven low-pulsation three-cylinder reciprocating pump |
-
2016
- 2016-08-23 CN CN201621029436.4U patent/CN206617288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482877A (en) * | 2021-07-19 | 2021-10-08 | 燕山大学 | Non-circular gear driven low-pulsation three-cylinder reciprocating pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |