CN205117648U - Plunger pump - Google Patents
Plunger pump Download PDFInfo
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- CN205117648U CN205117648U CN201520980524.1U CN201520980524U CN205117648U CN 205117648 U CN205117648 U CN 205117648U CN 201520980524 U CN201520980524 U CN 201520980524U CN 205117648 U CN205117648 U CN 205117648U
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Abstract
The utility model discloses a plunger pump, which comprises a pump body, the pump body includes the cylinder body, be equipped with in the cylinder body and follow the gliding plunger of cylinder body inner wall, be equipped with airtight volume space between plunger and the cylinder body bottom internal surface, the cylinder body bottom is equipped with inlet and liquid outlet, the plunger passes through the plunger rod to be connected with linear electric motor, by linear electric motor driving plunger reciprocating motion in the pump body. The utility model discloses the technical scheme that plunger pump adopted linear electric motor to replace prior art to have the eccentric cam drive pump body has simple structure, and positioning accuracy is high, and the reaction rate is fast, sensitivity is high, and follow -up nature is good, work safe and reliable, advantage such as longe -lived.
Description
Technical field
The utility model relates to plunger pump technique field, is specially a kind of plunger pump.
Background technique
Oil hydraulic pump is the dynamical element of hydraulic system, the mechanical energy that prime mover inputs is converted to pressure energy and exports, for executive component provides pressure.Plunger pump is the one of oil hydraulic pump, common plunger pump (as shown in Figure 1) comprises cylinder body 1, plunger rod 2, plunger 3, low pressure liquid entering hole 5, high pressure liquid outlet 6 and eccentric cam 7, described plunger 3 is located in cylinder body 1, driven can be horizontally slipped along cylinder body 1 internal surface by plunger rod 2, enclosed volume space 4 is provided with between plunger 3 and cylinder body 1, eccentric cam 6 drive plunger 3 that rotates is reciprocating in cylinder body, when plunger 3 moves to enclosed volume space 4, compress its volume, increase pressure, enclosed volume space 4 internal pressure increases, flow out and liquid joint to be increased from high pressure liquid outlet 6 after highly pressurised liquid in enclosed volume space or oily pressurized, move to after restriction stroke until plunger 3, plunger 3 outwards detaches under the drive of plunger rod 2, now, pressure in enclosed volume space 4 diminishes gradually, when the pressure in enclosed volume space 4 is less than the pressure until pressurized liquid, treat that the low pressure liquid of supercharging is sucked up in enclosed volume space 4, above-mentioned circulation in this way, until complete supercharging.This kind of single pump body structure plunger pump is moved by eccentric cam rotary actuation pump housing and carries out fluid pressurization, its due to pump housing inner plunger reciprocating, fluid pressurization process variation is large, poor stability.
Model utility content
The utility model provides that a kind of structure is simple, and cost is low, takes up room little and fluid pressurization process variation is little, the plunger pump of supercharging good stability.
The utility model can be achieved through the following technical solutions:
A kind of plunger pump, comprise the pump housing, the described pump housing comprises cylinder body, the plunger that can slide along inboard wall of cylinder block is provided with in described cylinder body, sealed volume space is provided with between described plunger and cylinder base internal surface, described cylinder base is provided with liquid entering hole and liquid outlet, and described plunger is connected with linear electric motor by plunger rod, by Linear motor-driven plunger to-and-fro motion in the pump housing.The utility model plunger pump adopts linear electric motor to replace prior art to have eccentric cam to drive the technological scheme of the pump housing, one structure is simple, due to linear electric motor do not need rotation motion be in line motion additional device, thus make the structure of system itself greatly simplify, weight and volume declines widely; Two positioning precisioies are high, and in the place needing straight line motion, linear electric motor can realize direct-drive, thus the various positioning errors that medium tache is brought can be eliminated, therefore positioning precision is high, as adopted microcomputer to control, then the positioning precision of whole system can also be improved widely; Three reaction velocitys are fast, highly sensitive, trackability is good, linear electric motor easily accomplish that its mover magnetic suspension supports, thus make remain certain air gap between mover and stator and do not contact, this obviates the contact frictional resistance between fixed and moving son, thus greatly increase the sensitivity of system, rapidity and trackability; Four safe and reliable, the life-span is long, linear electric motor can realize non contact transmission power, and mechanical friction loss is almost nil, so fault is few, freedom from repairs, thus safe and reliable, the life-span is long.
As one of the preferred version of the utility model plunger pump, the described pump housing is two, described linear electric motor comprise two output shafts, two output shafts are connected with two pump housings respectively, the liquid entering hole of described two pump housings is arranged for being communicated with, and the liquid outlet of two pump housings is arranged for being communicated with, and the plunger of described linear electric motor driven two pump housings is reciprocating, make two pump housings alternately treat pressurized liquid supercharging, play the effect of lasting uninterrupted supercharging.The utility model plunger pump is formed primarily of two pump housings and linear electric motor, and component are few, and structure is simple; The utility model plunger pump adopt linear electric motor drive two pump housing alternating motions to liquid carry out supercharging instead of traditional by eccentric cam rotary actuation pump housing to fluid pressurization, it is equivalent to the two cover tradition pump housings and hockets, and the pump housing and linear electric motor are general service pump and motor, abundant raw material source, cost is low; This Novel plunger pump is formed primarily of two pump housings and linear electric motor, takes up room little; The utility model plunger pump adopts linear electric motor to drive two pump housing alternating motions, two pump housings are made alternately to carry out supercharging to liquid, liquid is made to obtain continuing supercharging incessantly continuously, this kind of continuous uninterrupted supercharging, make the whole pressurization fluctuation of liquid little, good stability, and pressurization time is short, and speed is fast.
As the preferred version two of the utility model plunger pump, in order to promote pumping rate further, reduce pressurization time, whole device can arrange four pump housings, two linear electric motor, wherein each linear electric motor include two output shafts, two output shafts are connected with two pump housings respectively, the plunger of connected two pump housings of each linear electric motor driven is reciprocating, namely be that two linear electric motor and four pump housings form two groups of drivings, the liquid entering hole of described four pump housings is arranged for being communicated with, the liquid outlet of four pump housings is arranged for being communicated with, two groups of two linear electric motor driven can open driving simultaneously, namely be that two linear electric motor are opened driving four pump housings respectively and moved simultaneously, pumping rate is fast, time is short, also wherein any one linear electric motor can be opened as required, two pump housing alternating motions are driven by linear electric motor when being now equivalent to linear electric motor and two pump housings.
Further, two output shafts of described linear electric motor are connected with two plunger rods on two pump housings respectively.
Further, described liquid entering hole is low pressure liquid liquid entering hole, and liquid entering hole place is provided with only to the one-way valve of feed liquor in cylinder body, herein the setting of one-way valve, herein only import but no export, and the liquid that effectively prevent in cylinder body flows out from liquid entering hole in pressurization.
Further, described liquid outlet is cylinder body inner high voltage liquid liquid outlet, liquid outlet place is provided with only to the one-way valve of cylinder body outer liquid outlet holes, the setting of one-way valve herein, make only export but no import herein, the one-way valve arranged with low pressure liquid liquid entering hole place echoes mutually, low pressure liquid is entered after in cylinder body through liquid entering hole and is flowed out by liquid outlet after supercharging, form circulation, effectively guarantee the pressurized effect of the pump housing.
Further, described linear electric motor are pipe-shape straight-line motor.
Further, described linear electric motor are flat plate type linear motor.
The utility model plunger pump, has following beneficial effect:
The first, structure is simple, and the utility model plunger pump is formed primarily of two pump housings and linear electric motor, and component are few, and structure is simple;
The second, cost is low, the utility model plunger pump adopt linear electric motor drive two pump housing alternating motions to liquid carry out supercharging instead of traditional by eccentric cam rotary actuation pump housing to fluid pressurization, it is equivalent to the two cover tradition pump housings and hockets, and the pump housing and linear electric motor are general service pump and motor, abundant raw material source, cost is low;
Three, take up room little, Novel plunger pump is formed primarily of two pump housings and linear electric motor, takes up room little;
Four, fluid pressurization process variation is little, good stability, the utility model plunger pump adopts linear electric motor to drive two pump housing alternating motions, two pump housings are made alternately to carry out supercharging to liquid, liquid is made to obtain continuing supercharging incessantly continuously, this kind of continuous uninterrupted supercharging, makes the whole pressurization fluctuation of liquid little, good stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art plunger pump;
Fig. 2 is the structural representation of the utility model plunger pump embodiment 1;
Fig. 3 is the structural representation one of the utility model plunger pump embodiment 2;
Fig. 4 is the structural representation two of the utility model plunger pump embodiment 2;
Fig. 5 is the structural representation one of the utility model plunger pump embodiment 3;
Fig. 6 is the structural representation two of the utility model plunger pump embodiment 3.
Embodiment
In order to make those skilled in the art person understand the technical solution of the utility model better, below in conjunction with embodiment and accompanying drawing, the utility model product is described in further detail.
Embodiment 1
As shown in Figure 2, a kind of plunger pump, comprise the pump housing 10, the described pump housing 10 comprises cylinder body 11, the plunger 13 that can slide along cylinder body 11 inwall is provided with in described cylinder body 11, sealed volume space 14 is provided with between described plunger 13 and cylinder body 11 bottom interior surface, liquid entering hole 15 and liquid outlet 16 is provided with bottom described cylinder body 11, described plunger 13 is connected with linear electric motor 130 by plunger 13 bar, described linear electric motor 130 are pipe-shape straight-line motor 130 or flat plate type linear motor 130, linear electric motor 130 drive plunger 13 to-and-fro motion in the pump housing 10.The utility model plunger pump adopts linear electric motor 130 to replace prior art to have eccentric cam to drive the technological scheme of the pump housing 10, one structure is simple, due to linear electric motor 130 do not need rotation motion be in line motion additional device, thus make the structure of system itself greatly simplify, weight and volume declines widely; Two positioning precisioies are high, and in the place needing straight line motion, linear electric motor 130 can realize direct-drive, thus the various positioning errors that medium tache is brought can be eliminated, therefore positioning precision is high, as adopted microcomputer to control, then the positioning precision of whole system can also be improved widely; Three reaction velocitys are fast, highly sensitive, trackability is good, linear electric motor 130 easily accomplish that its mover magnetic suspension supports, thus make remain certain air gap between mover and stator and do not contact, this obviates the contact frictional resistance between fixed and moving son, thus greatly increase the sensitivity of system, rapidity and trackability; Four safe and reliable, the life-span is long, linear electric motor 130 can realize non contact transmission power, and mechanical friction loss is almost nil, so fault is few, freedom from repairs, thus safe and reliable, the life-span is long.
Embodiment 2
As shown in Figure 3 and Figure 4, the present embodiment is substantially identical with principle with the structure of embodiment 1, different place is, described in the present embodiment, the pump housing 10 is two, described linear electric motor 130 comprise two output shafts, two output shafts of described linear electric motor 130 are connected to form compress cell 100 with two pump housings 10 respectively, two output shafts of described linear electric motor 130 are connected with two plunger 13 bars on two pump housings 10 respectively, the liquid entering hole 15 of described two pump housings 10 is communicated with setting by liquid inlet pipe 140, the liquid outlet 16 of two pump housings 10 is communicated with setting by drain pipe 150, described liquid entering hole 15 is low pressure liquid liquid entering hole 15, liquid entering hole 15 place is provided with only to the one-way valve of feed liquor in cylinder body 11, the setting of one-way valve herein, only import but no export herein, the liquid that effectively prevent in cylinder body 11 flows out from liquid entering hole 15 in pressurization.Described liquid outlet 16 is cylinder body 11 inner high voltage liquid liquid outlet 16, liquid outlet 16 place is provided with only to the one-way valve of cylinder body 11 outer liquid outlet holes, the setting of one-way valve herein, make only export but no import herein, the one-way valve arranged with low pressure liquid liquid entering hole 15 place echoes mutually, low pressure liquid is entered after in cylinder body 11 through liquid entering hole 15 flowed out by liquid outlet 16 after supercharging, form circulation, effectively guarantee the pressurized effect of the pump housing 10.The plunger 13 of described linear electric motor 130 driven two pump housings 10 is reciprocating, makes two pump housings 10 alternately treat pressurized liquid supercharging, plays the effect of lasting uninterrupted supercharging.
As shown in Figure 3 and Figure 4, particularly, described two pump housings 10 are respectively first pump housing 110 and second pump housing 120, two output shafts of described linear electric motor 130 are respectively the first output shaft 131 and the second output shaft 132, described first pump housing 110 comprises the first cylinder body 111, first plunger 113 that can slide along the first cylinder body 111 inwall is provided with in described first cylinder body 111, described first plunger 113 is driven by the first plunger 113 bar and moves in the first cylinder body 111, the first sealed volume space 114 is provided with between described first plunger 113 and the first cylinder body 111 bottom interior surface, the first liquid entering hole 115 and the first liquid outlet 116 is provided with bottom described first cylinder body 111, described second pump housing 120 comprises the second cylinder body 121, second plunger 123 that can slide along the second cylinder body 121 inwall is provided with in described second cylinder body 121, described second plunger 123 is driven by the second plunger 123 bar and moves in the second cylinder body 121, the second sealed volume space 124 is provided with between described second plunger 123 and the second cylinder body 121 bottom interior surface, the second liquid entering hole 125 and the second liquid outlet 126 is provided with bottom described second cylinder body 121, the first output shaft 131 on described linear electric motor 130 is connected with the first plunger 113 bar, second output shaft 132 is connected with the second plunger 123 bar.The utility model plunger pump is formed primarily of two pump housings 10 and linear electric motor 130, and component are few, and structure is simple; The utility model plunger pump adopts linear electric motor 130 to drive the alternating motion of two pump housings 10 to carry out supercharging to liquid to instead of traditional by eccentric cam rotary actuation pump housing 10 pairs of fluid pressurization, it is equivalent to the two cover tradition pump housings 10 and hockets, and the pump housing 10 and linear electric motor 130 are general service pump and motor, abundant raw material source, cost is low; This Novel plunger pump is formed primarily of two pump housings 10 and linear electric motor 130, takes up room little; The utility model plunger pump adopts linear electric motor 130 to drive the alternating motion of two pump housings 10, two pump housings 10 are made alternately to carry out supercharging to liquid, liquid is made to obtain continuing supercharging incessantly continuously, this kind of continuous uninterrupted supercharging, make the whole pressurization fluctuation of liquid little, good stability, and pressurization time is short, and speed is fast.
As shown in Figure 3 and Figure 4, when the first output shaft 131 on described linear electric motor 130 and the second output shaft 132 move to first pump housing 110 simultaneously, the first plunger 113 now in first pump housing 110 is promoted to move to the first sealed volume space 114 by the first output shaft 131 under the drive of the first plunger rod 112, first pump housing 110 is to the fluid pressurization in the first sealed volume space 114, highly pressurised liquid after supercharging flows out from the first liquid outlet 116 bottom first pump housing 110 through drain pipe 150, and now second pump housing 120 in the raw, as shown in Figure 3, after first pump housing 110 supercharging completes, the first output shaft 131 on linear electric motor 130 and the second output shaft 132 move to second pump housing 120 simultaneously, now, the first plunger 113 in first pump housing 110 is reset to nature position gradually, and the second plunger 123 in second pump housing 120 moves to the second sealed volume space 124 under being promoted by the second output shaft 132 under the drive of the second plunger rod 122, second pump housing 120 is to the fluid pressurization in the second sealed volume space 124, highly pressurised liquid after supercharging flows out from the second liquid outlet 126 bottom second pump housing 120 through drain pipe 150, after second pump housing 120 supercharging completes, the first output shaft 131 on linear electric motor 130 and the second output shaft 132 move to first pump housing 110 again simultaneously, alternate cycles in this way, until complete the supercharging overall process of liquid, whole fluid pressurization process is uninterrupted continuously, pressurization liquid fluctuation is little, good stability.The utility model plunger pump is formed primarily of two pump housings 10 and linear electric motor 130, and component are few, and structure is simple; The utility model plunger pump adopts linear electric motor 130 to drive the alternating motion of two pump housings 10 to carry out supercharging to liquid to instead of traditional by eccentric cam rotary actuation pump housing 10 pairs of fluid pressurization, it is equivalent to the two cover tradition pump housings 10 and hockets, and the pump housing 10 and linear electric motor 130 are general service pump and motor, abundant raw material source, cost is low; This Novel plunger pump is formed primarily of two pump housings 10 and linear electric motor 130, takes up room little; The utility model plunger pump adopts linear electric motor 130 to drive the alternating motion of two pump housings 10, two pump housings 10 are made alternately to carry out supercharging to liquid, liquid is made to obtain continuing supercharging incessantly continuously, this kind of continuous uninterrupted supercharging, make the whole pressurization fluctuation of liquid little, good stability.
Embodiment 3
As shown in Figures 3 to 6, the present embodiment is substantially identical with principle with the structure of embodiment 2, different place is, in order to promote pumping rate further, reduce pressurization time, whole device is made up of two groups of compress cells 100, be connected with main drain pipe 300 by total liquid inlet pipe 200 between two groups of compress cells 100, namely be that whole device can arrange four pump housings 10, two linear electric motor 130, wherein each linear electric motor 130 include two output shafts, two output shafts are connected with two pump housings 10 respectively, the plunger 13 of connected two pump housings 10 of each linear electric motor 130 driven is reciprocating, namely be that two linear electric motor 130 and four pump housings 10 form two groups of drivings, namely be two groups of compress cells 100, two liquid inlet pipes 140 that on two groups of compress cells 100, the liquid entering hole 15 of described four pump housings 10 is communicated with formation are between two communicated with by total liquid inlet pipe 200, two drain pipes 150 that the liquid outlet 16 of four pump housings 10 described on two groups of compress cells 100 is communicated with formation are between two communicated with by main drain pipe 300, two linear electric motor 130 of two groups of compress cells 100 can open driving simultaneously, namely be that two linear electric motor 130 are opened driving four pump housings 10 respectively and moved simultaneously, pumping rate is fast, time is short, also wherein any one linear electric motor 130 can be opened as required, the alternating motion of two pump housings 10 is driven by linear electric motor 130 when being now equivalent to linear electric motor 130 and two pump housings 10.
The above, be only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the utility model swimmingly; But all those skilled in the art are not departing within the scope of technical solutions of the utility model, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present utility model; Meanwhile, all according to substantial technological of the present utility model to the change of any equivalent variations that above embodiment does, modify and differentiation etc., within the protection domain all still belonging to the technical solution of the utility model.
Claims (9)
1. a plunger pump, comprise the pump housing, the described pump housing comprises cylinder body, the plunger that can slide along inboard wall of cylinder block is provided with in described cylinder body, sealed volume space is provided with between described plunger and cylinder base internal surface, described cylinder base is provided with liquid entering hole and liquid outlet, it is characterized in that: described plunger is connected with linear electric motor by plunger rod, by Linear motor-driven plunger to-and-fro motion in the pump housing.
2. plunger pump according to claim 1, it is characterized in that: the described pump housing is two, described linear electric motor comprise two output shafts, two output shafts are connected with two pump housings respectively, the liquid entering hole of described two pump housings is arranged for being communicated with, the liquid outlet of two pump housings is arranged for being communicated with, and the plunger of described linear electric motor driven two pump housings is reciprocating.
3. plunger pump according to claim 1, it is characterized in that: the described pump housing is four, described linear electric motor are two, and each linear electric motor include two output shafts, two output shafts are connected with two pump housings respectively, and the plunger of each linear electric motor driven two pump housings is reciprocating.
4. plunger pump according to claim 3, is characterized in that: the liquid entering hole of described four pump housings is arranged for being communicated with, and the liquid outlet of four pump housings is arranged for being communicated with.
5. the plunger pump according to any one of claim 2 to 3 claim, is characterized in that: two output shafts of described linear electric motor are connected with two plunger rods on two pump housings respectively.
6. plunger pump according to claim 5, is characterized in that: described liquid entering hole is low pressure liquid liquid entering hole, and liquid entering hole place is provided with only to the one-way valve of feed liquor in cylinder body.
7. plunger pump according to claim 6, is characterized in that: described liquid outlet is cylinder body inner high voltage liquid liquid outlet, and liquid outlet place is provided with only to the one-way valve of cylinder body outer liquid outlet holes.
8. plunger pump according to claim 7, is characterized in that: described linear electric motor are pipe-shape straight-line motor.
9. plunger pump according to claim 7, is characterized in that: described linear electric motor are flat plate type linear motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980524.1U CN205117648U (en) | 2015-12-02 | 2015-12-02 | Plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980524.1U CN205117648U (en) | 2015-12-02 | 2015-12-02 | Plunger pump |
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| Publication Number | Publication Date |
|---|---|
| CN205117648U true CN205117648U (en) | 2016-03-30 |
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|---|---|---|---|
| CN201520980524.1U Active CN205117648U (en) | 2015-12-02 | 2015-12-02 | Plunger pump |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150450A (en) * | 2016-07-13 | 2016-11-23 | 西南石油大学 | A kind of horizontal gas well machine water-pumping/draining gas production system |
| CN106286197A (en) * | 2016-11-09 | 2017-01-04 | 北京工业大学 | One is done more physical exercises unit straight line motor drive type plunger displacement pump |
| CN107327554A (en) * | 2016-04-29 | 2017-11-07 | 殷图源 | A kind of plunger pump transmission device |
| CN107917064A (en) * | 2016-10-10 | 2018-04-17 | 天津有序环境科技发展有限公司 | More uniformly ammoniate method for controlling pump |
| CN110430725A (en) * | 2019-07-23 | 2019-11-08 | 扬州晶胜源机电有限公司 | A kind of electric vehicle controller to prolong the service life |
| CN110425105A (en) * | 2019-08-27 | 2019-11-08 | 烟台杰瑞石油装备技术有限公司 | A kind of linear motor plunger pump |
| CN113294313A (en) * | 2021-07-13 | 2021-08-24 | 徐州市奥米科技有限公司 | Novel pressure making device |
-
2015
- 2015-12-02 CN CN201520980524.1U patent/CN205117648U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327554A (en) * | 2016-04-29 | 2017-11-07 | 殷图源 | A kind of plunger pump transmission device |
| CN106150450A (en) * | 2016-07-13 | 2016-11-23 | 西南石油大学 | A kind of horizontal gas well machine water-pumping/draining gas production system |
| CN107917064A (en) * | 2016-10-10 | 2018-04-17 | 天津有序环境科技发展有限公司 | More uniformly ammoniate method for controlling pump |
| CN106286197A (en) * | 2016-11-09 | 2017-01-04 | 北京工业大学 | One is done more physical exercises unit straight line motor drive type plunger displacement pump |
| CN106286197B (en) * | 2016-11-09 | 2019-04-30 | 北京工业大学 | A multi-motion unit linear motor-driven plunger pump |
| CN110430725A (en) * | 2019-07-23 | 2019-11-08 | 扬州晶胜源机电有限公司 | A kind of electric vehicle controller to prolong the service life |
| CN110430725B (en) * | 2019-07-23 | 2021-02-05 | 扬州创群网络科技有限公司 | Electric vehicle controller with prolonged service life |
| CN110425105A (en) * | 2019-08-27 | 2019-11-08 | 烟台杰瑞石油装备技术有限公司 | A kind of linear motor plunger pump |
| CN113294313A (en) * | 2021-07-13 | 2021-08-24 | 徐州市奥米科技有限公司 | Novel pressure making device |
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