CN202991386U - Mechanical and electrical integration control variable plunger pump - Google Patents
Mechanical and electrical integration control variable plunger pump Download PDFInfo
- Publication number
- CN202991386U CN202991386U CN 201220641442 CN201220641442U CN202991386U CN 202991386 U CN202991386 U CN 202991386U CN 201220641442 CN201220641442 CN 201220641442 CN 201220641442 U CN201220641442 U CN 201220641442U CN 202991386 U CN202991386 U CN 202991386U
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- Prior art keywords
- oil
- driving
- plunger pump
- variable piston
- regulator
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Abstract
The utility model relates to a mechanical and electrical integration control variable plunger pump which comprises a main body and an adjuster. The adjuster comprises an adjuster shell body. A variable piston is arranged inside the adjuster shell body. A driving lever which is used for driving an air cylinder and an oil distribution disc to sway is arranged at one end of the variable piston. A stepping motor which is used for driving the variable piston to slide is arranged at one end of the adjuster shell body. An installation disc is arranged at the tail end of a driving shaft of the stepping motor. A connecting sleeve is arranged inside the installation disc and in power connection with a ball screw. A ball nut matched with the ball screw is installed on the variable piston. The stepping motor is further connected with a controller. The mechanical and electrical integration control variable plunger pump is simple in structure, and accurate and reliable in control.
Description
Technical field
The utility model relates to a kind of plunger pump, is specifically related to a kind of Variable plunger pump that can utilize motor and controller to carry out integrative control.
Background technique
At present, it is frequent that engineering, mining, farm machinery, boats and ships, metal section relatively high power and pressure, the velocity variations of need providing such as rolling is provided axial variable displacement plunger pump, the hydraulic system that operating mode is harsher.Need operate at a distance control in more occasion, and to pressure, flow palpus accurate adjustment.The axial variable plunger pump of original various variable modes (as weighing apparatus pressure, hand hydraulically controlled, the controls such as power, electrical equipment ratio of weighing) can't satisfy above-mentioned remote accurate adjustment and control requirement.
The model utility content
The technical problem that the utility model solves is to provide electromechanical controlled variable plunger pump, and it controls more accurately reliable, thereby solves the problem in the above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
Electromechanical controlled variable plunger pump, comprise main body and regulator, described main body is provided with for the pump case that contains inner body, utilize bearing to be rotatablely equipped with main shaft in described pump case, described main shaft one end is provided with the flat key that is connected for driving mechanism, the other end is provided with oil cylinder, one end of described oil cylinder is provided with the oil distribution casing of flow distribution characteristics, described oil cylinder and oil distribution casing are realized swinging in the limited angular of stop screw, one end of this main shaft is provided with oil sealing base, is provided with outside framework oil seal in this oil sealing base, it is characterized in that, described regulator comprises the regulator housing
Described regulator enclosure interior is equipped with the variable piston, and an end of described variable piston is provided with the driving lever that swings be used to driving described oil cylinder and oil distribution casing;
Described regulator housing one end is provided with the stepper motor that slides be used to driving described variable piston, the live axle end of described stepper motor is provided with mounting disc, described mounting disc inside is equipped with connecting sleeve, described connecting sleeve power is connected with ball screw, and the ball nut that matches with described ball screw is installed on described variable piston;
Described stepper motor also is connected with controller.
As a kind of improvement, described controller is provided with digital display tube.
Owing to having adopted above structure, the utlity model has following beneficial effect:
1. some traditional Variable plunger pumps such as electricity are transferred, weighing apparatus is pressed, weigh power, hydraulic control etc. can not obtain accurate flow and force value because the adjusting of aforesaid regulator internal feedback mechanism is unstable, and the mechanical accuracy of therefore serving is poor.Though accurately locating, manual Variable plunger pump can not determine the accurate output value of flow, pressure of pump.The utility model coordinates high-precision rotary step pitch and the numerically controlled accuracy that adds stepper motor with the ball nut gapless due to ball screw, make plunger pump delivery pressure, flow Adjusting accuracy, stability improves, and can obtain easily flow, the accurate output value of pressure.
2. due to the conductivity of digital control circuit, numerical control variable piston POF, pressure control practicable distant control this to some special occasions as under water, the ground such as mine, toxic and harmful can regulate control easily.
3. the Stability and veracity of the utility model output power makes some require performance number accurately and keeps the industry of stable output power and machinery to bring convenience such as metal section, thin plate rolling equipment, boats and ships and have needed the accurate hydraulic system of controlling, engineering machinery etc.
4. simplified the structure of regulator assembly parts, made processing and the simple and convenient assembly of regulator, removed valve assembly, more than 10 of cluster spring etc. are used for adjusting turnover pressure fuel pump oil flow, pressure component.Make the power control of pump output only depend on instruction and program, control mode has realized electromechanical integration, and is easier to be direct, the easily discovery of breaking down, easily eliminating.
5. wide hydraulic system and the mechanical system that is widely used in metal rolled, mine and mining machinery, engineering machinery, boats and ships and needs telecontrol of the utility model market prospects.
Description of drawings
Accompanying drawing is the utility model structural representation;
In figure: 1. main body, 2. regulator, 3. pump case, 4. bearing, 5. main shaft, 6. flat key, 7. oil cylinder, 8. oil distribution casing, 9. stop screw, 10. oil sealing base, 11. outside framework oil seals, 12. regulator housings, 13. the variable piston, 14. driving levers, 15. stepper motors, 16. mounting disc, 17. connecting sleeves, 18. ball screws, 19. ball nut, 20. controllers, 21. digital display tubes.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to accompanying drawing, electromechanical controlled variable plunger pump, comprise main body 1 and regulator 2, described main body 1 is provided with for the pump case 3 that contains inner body, the interior bearing 4 that utilizes of described pump case 3 is rotatablely equipped with main shaft 5, described main shaft 5 one ends are provided with for the flat key 6 that is connected with driving mechanism, the other end is provided with oil cylinder 7, one end of described oil cylinder 7 is provided with the oil distribution casing 8 of flow distribution characteristics, described oil cylinder 7 and oil distribution casing 8 are realized swinging in the limited angular of stop screw 9, and on described stop screw 9, bag is provided with protecting jacket 22; One end of this main shaft 5 is provided with oil sealing base 10, be provided with outside framework oil seal 11 in this oil sealing base 10, it is characterized in that, described regulator 2 comprises regulator housing 12, described regulator housing 12 inside are equipped with variable piston 13, and an end of described variable piston 13 is provided with the driving lever 14 that swings be used to driving described oil cylinder and oil distribution casing 8;
Described regulator housing 12 1 ends are provided with the stepper motor 15 that slides be used to driving described variable piston 13, the live axle end of described stepper motor 15 is provided with mounting disc 16, described mounting disc 16 inside are equipped with connecting sleeve 17, described connecting sleeve 17 power are connected with ball screw 18, and the ball nut 19 that matches with described ball screw 18 is installed on described variable piston 13; Described stepper motor 15 also is connected with controller 20.Described controller 20 is provided with digital display tube 21.
Working principle of the present utility model is as follows.
The instruction of input regulation and program make stepper motor 15 in accordance with regulations direction rotation (suitable, counterclockwise) by each functor, drive ball screw 18 and make rotating Vortex to the step angle of regulation, make variable piston 13 drive driving levers 14 and oil distribution casing 8 swing to the assigned position locking, make the hydraulic fluid flow rate, the pressure that enter plunger pump reach specified value and be stabilized on the flow and force value of regulation, making machinery that hydraulic system serves obtain power and the speed of homeostasis.(the mechanical operation of working under normal state).
The instruction of input regulation and program rotate clockwise by driving ball screw 18 stepper motor 15 and make rotating Vortex, make variable piston 13 drive driving levers 14 and oil distribution casing 8 move and swing to the wide-angle direction, the hydraulic fluid flow rate that enters plunger pump is increased, pressure reduces, and the mechanical system of serving realizes that underloading (shortens the time that machinery moves towards the operation point) fast.
Make stepper motor 15 make rotating Vortex by being rotated counterclockwise by driving ball screw 18, make variable piston 13 drive driving levers 14 and oil distribution casing 8 move and swing to the small angle direction, the hydraulic fluid flow rate that enters plunger pump is reduced, pressure increases, and the mechanical system of serving obtains very strong driving force acting (making machinery overcome the high peak energy of load normally moves).
Above demonstration and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. electromechanical controlled variable plunger pump, comprise main body and regulator, described main body is provided with for the pump case that contains inner body, utilize bearing to be rotatablely equipped with main shaft in described pump case, described main shaft one end is provided with the flat key that is connected for driving mechanism, the other end is provided with oil cylinder, one end of described oil cylinder is provided with the oil distribution casing of flow distribution characteristics, described oil cylinder and oil distribution casing are realized swinging in the limited angular of stop screw, one end of this main shaft is provided with oil sealing base, be provided with outside framework oil seal in this oil sealing base, it is characterized in that, described regulator comprises the regulator housing,
Described regulator enclosure interior is equipped with the variable piston, and an end of described variable piston is provided with the driving lever that swings be used to driving described oil cylinder and oil distribution casing;
Described regulator housing one end is provided with the stepper motor that slides be used to driving described variable piston, the live axle end of described stepper motor is provided with mounting disc, described mounting disc inside is equipped with connecting sleeve, described connecting sleeve power is connected with ball screw, and the ball nut that matches with described ball screw is installed on described variable piston;
Described stepper motor also is connected with controller.
2. electromechanical controlled variable plunger pump according to claim 1, it is characterized in that: described controller is provided with digital display tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220641442 CN202991386U (en) | 2012-11-20 | 2012-11-20 | Mechanical and electrical integration control variable plunger pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220641442 CN202991386U (en) | 2012-11-20 | 2012-11-20 | Mechanical and electrical integration control variable plunger pump |
Publications (1)
Publication Number | Publication Date |
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CN202991386U true CN202991386U (en) | 2013-06-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220641442 Expired - Fee Related CN202991386U (en) | 2012-11-20 | 2012-11-20 | Mechanical and electrical integration control variable plunger pump |
Country Status (1)
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CN (1) | CN202991386U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110685879A (en) * | 2019-10-09 | 2020-01-14 | 太原理工大学 | Variable mechanism of oblique axis type plunger pump for continuously and proportionally adjusting flow |
-
2012
- 2012-11-20 CN CN 201220641442 patent/CN202991386U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110685879A (en) * | 2019-10-09 | 2020-01-14 | 太原理工大学 | Variable mechanism of oblique axis type plunger pump for continuously and proportionally adjusting flow |
CN110685879B (en) * | 2019-10-09 | 2021-02-26 | 太原理工大学 | Variable mechanism of oblique axis type plunger pump for continuously and proportionally adjusting flow |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20161120 |
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CF01 | Termination of patent right due to non-payment of annual fee |