CN104153958A - Alternating current servo motor driving device for discharge capacity adjustment of radial plunger pump - Google Patents
Alternating current servo motor driving device for discharge capacity adjustment of radial plunger pump Download PDFInfo
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- CN104153958A CN104153958A CN201410320271.5A CN201410320271A CN104153958A CN 104153958 A CN104153958 A CN 104153958A CN 201410320271 A CN201410320271 A CN 201410320271A CN 104153958 A CN104153958 A CN 104153958A
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- plunger pump
- radial plunger
- swing frame
- radial
- driving device
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Abstract
An alternating current servo motor driving device for discharge capacity adjustment of a radial plunger pump comprises the shaft flow distribution radial plunger pump. A servo motor is fixed to a shell of the radial plunger pump through an end cover. An output shaft of the servo motor is in clearance fit with a sun wheel of a planetary reducer. A planet wheel of the planetary reducer is connected with a connecting block through a shaft sleeve and a hinge pin. The connecting block is connected with a screw nut. The outer portion of the connecting block is connected with the shell of the radial plunger pump in a matched mode through a conical roller bearing and a deep groove ball bearing. A ball screw is connected with a swing frame beam of the radial plunger pump. The swing frame beam is connected with a swing frame. The servo motor and the planetary reducer are both installed on the shell of the radial plunger pump. The screw nut rotationally drives the ball screw to move horizontally, so that the swing frame is driven to rotate around a swing shaft, and the offset of the radial plunger pump is adjusted. According to the alternating current servo motor driving device, adjustment is accurate and the response speed is high.
Description
Technical field
The invention belongs to radial plunger pump technical field, particularly a kind of radial plunger pump delivery regulates and uses AC servo machinery driving device.
Background technique
Hydraulics, as an importance of modern industrial technology, is all widely applied on various industry equipments, running mechanism and boats and ships, aircraft.In hydraulic system, the function of oil hydraulic pump is the pressure energy that the mechanical energy of motor or internal combustion engine prime movers is converted to liquid, pressure oil is provided and drives executive component work to system, belongs to Hydraulic power units.
Its structural type of radial plunger pump has multiple, be arranged on the radial direction of transmission shaft, that is the center line of each plunger is all perpendicular to the center line of transmission shaft but its common trait is each plunger.Variable radial-plunger pump is axle flow distribution radial plunger pump, has stator and rotor in pump, both arranged off-centre, and rotor is contained on pintle, has multiple uniform plunger holes along the circumferencial direction of rotor, and plunger is flexible motion therein.In the time that transmission shaft rotor driven rotates, due to the effect of return ring and connecting rod, make plunger reciprocating in rotor plunger hole, realize the variation of sealed volume.Rotor often circles, and each plunger makes a round trip, and completes an oil suction and oil extraction process.Hydraulic oil through pintle inner passage, enters plunger cavity by pump housing inlet port in the time that rotor forwards lower half to, after rotor forwards upper half to and boosts, discharges through oil drain out from the zone of high pressure of the pintle first half, supplies with actuator.The problems such as the adjusting device of eccentricity of such pump adopts hydraulic pressure installation to regulate at present, exists and regulates inaccuracy, and reaction velocity is slow, leakage of oil.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of radial plunger pump delivery to regulate and use AC servo machinery driving device, regulate accurately, reaction velocity is fast, oil-proof.
In order to achieve the above object, technological scheme of the present invention is as follows:
A kind of radial plunger pump delivery regulates uses AC servo machinery driving device, comprise stator 17 and the rotor 12 of axle flow distribution radial plunger pump, the offset of stator 17 and rotor 12 is adjustable, rotor 12 is contained on pintle 11, have 11 uniform plunger holes 18 along the circumferencial direction of rotor 12, plunger 13 is configured in plunger hole 18, plunger 13 to-and-fro motion in plunger hole 18, stator 17 is connected with swing frame 10, swing frame crossbeam 8 is connected with swing frame 10, stator 17, swing frame 10 outsides are provided with radial plunger pump casing 9, actuating motor 1 is fixed on radial plunger pump casing 9 by end cap 15, the sun gear 2-2 Spielpassung of actuating motor 1 output shaft and planetary reducer 2, the planet wheel 2-3 of planetary reducer 2 is connected with contiguous block 4 end faces by axle sleeve 2-4 and bearing pin 2-5, contiguous block 4 is connected with the feed screw nut 6 of ball screw 7, contiguous block 4 is outside by tapered roller bearing 3, deep groove ball bearing 5 is connected with radial plunger pump casing 9, tapered roller bearing 3 outer rings and inner ring are located by gear ring 2-1 and the contiguous block 4 of planetary reducer 2 respectively, deep groove ball bearing 5 outer rings and inner ring are located by radial plunger pump casing 9 and contiguous block 4 respectively, ball screw 7 is connected with swing frame crossbeam 8, feed screw nut 6 rotarily drives ball screw 7 horizontal motion, and then drive swing frame 10 to rotate around its swing axis 16, thereby realize, the offset of radial plunger pump is regulated.
Described planetary reducer 2 is installed on radial plunger pump casing 9.
Described actuating motor 1 is at afterbody with absolute encoder 1-1, and absolute encoder 1-1 is connected with computer.
Oil outlet place at radial plunger pump is provided with sensor, and sensor is connected with computer.
Beneficial effect of the present invention is: drive by actuating motor 1, can accurately automatically regulate in time the offset of radial plunger pump, realize and accurately control radial plunger pump duty, improve the dynamic performance of pump, regulate accurately, reaction velocity is fast.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is that planetary reducer 2, ball screw 7, feed screw nut 6 connect enlarged view.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
See figures.1.and.2, a kind of radial plunger pump delivery regulates uses AC servo machinery driving device, comprise stator 17 and the rotor 12 of axle flow distribution radial plunger pump, the offset of stator 17 and rotor 12 is adjustable, rotor 12 is contained on pintle 11, have 11 uniform plunger holes 18 along the circumferencial direction of rotor 12, plunger 13 is configured in plunger hole 18, plunger 13 can to-and-fro motion in plunger hole 18, stator 17 is connected with swing frame 10, swing frame crossbeam 8 is connected with swing frame 10, stator 17, swing frame 10 outsides are provided with radial plunger pump casing 9, actuating motor 1 is fixed on radial plunger pump casing 9 by end cap 15, the sun gear 2-2 of actuating motor 1 output shaft and planetary reducer 2 is by key 14 Spielpassung, the planet wheel 2-3 of planetary reducer 2 is connected with contiguous block 4 end faces by axle sleeve 2-4 and bearing pin 2-5, contiguous block 4 is bolted with the feed screw nut 6 of ball screw 7, contiguous block 4 is outside by tapered roller bearing 3, deep groove ball bearing 5 is connected with radial plunger pump casing 9, tapered roller bearing 3 outer rings and inner ring are located by gear ring 2-1 and the contiguous block 4 of planetary reducer 2 respectively, deep groove ball bearing 5 outer rings and inner ring are located by radial plunger pump casing 9 and contiguous block 4 respectively, ball screw 7 is connected with swing frame crossbeam 8, actuating motor 1 and planetary reducer 2 are installed on radial plunger pump casing 9, feed screw nut 6 rotarily drives ball screw 7 horizontal motion, and then drive swing frame 10 to rotate around swing axis 16, thereby realize, the offset of radial plunger pump is regulated.
Described actuating motor 1 is at afterbody with absolute encoder 1-1, and absolute encoder 1-1 is connected with computer, in the time adopting computer to carry out variable piston the automatic control of pump, can reflect at any time the offset of radial plunger pump.
Oil outlet place at radial plunger pump is provided with sensor, and sensor is connected with computer, and the output situation of pump is fed back in time computer by sensor.
Working principle of the present invention is:
In the time that transmission shaft rotor driven 12 rotates, due to the effect of return ring and connecting rod, make plunger 13 interior reciprocating at the plunger hole 18 of rotor 12, realize the variation of sealed volume.Rotor 12 often circles, and each plunger 13 makes a round trip, and completes an oil suction and oil extraction process.Hydraulic oil through pintle 11 inner passages, enters plunger cavity by pump housing inlet port in the time that rotor 12 forwards lower half to, after rotor 12 forwards upper half to and boosts, discharges through oil drain out from the zone of high pressure of pintle 11 first halves, supplies with actuator.
Feed screw nut 6 rotarily drives ball screw 7 horizontal motion, and then drives swing frame 10 to rotate around swing axis 16, thereby realizes the offset that regulates stator 17 and rotor 12, reaches the object of adjust flux.When work, the inner axial force of adjusting device of eccentricity is delivered on variable piston pump casing 9 by tapered roller bearing 3, and actuating motor 1 is by key 14 and sun gear 2-1 Spielpassung, and 1 transmitting torque of actuating motor, does not bear thrust load like this.
In the time adopting computer to carry out variable piston the automatic control of pump, actuating motor 1 with absolute encoder 1-1, can reflect the offset of variable radial-plunger pump at afterbody at any time.At oil outlet, place is provided with sensor, and the output situation of pump is fed back in time computer by sensor, and computer is according to the needs of actual conditions, gives actuating motor 1 transmitted signal, the offset of Moderator Variable radial plunger pump, thus meet the demand of actual conditions.
Claims (4)
1. a radial plunger pump delivery regulates and uses AC servo machinery driving device, comprise stator (17) and the rotor (12) of axle flow distribution radial plunger pump, stator (17) and rotor (12) offset are adjustable, rotor (12) is contained on pintle (11), have 11 uniform plunger holes (18) along the circumferencial direction of rotor (12), plunger (13) is configured in plunger hole (18), plunger (13) can move reciprocatingly in plunger hole (18), stator (17) is connected with swing frame (10), swing frame crossbeam (8) is connected with swing frame (10), stator (17), swing frame (10) outside is provided with radial plunger pump casing (9), it is characterized in that: actuating motor (1) is fixed on radial plunger pump casing (9) by end cap (15), sun gear (2-2) Spielpassung of actuating motor (1) output shaft and planetary reducer (2), the planet wheel (2-3) of planetary reducer (2) is connected with contiguous block (4) end face by axle sleeve (2-4) and bearing pin (2-5), contiguous block (4) is connected with the feed screw nut (6) of ball screw (7), contiguous block (4) is outside by tapered roller bearing (3), deep groove ball bearing (5) is connected with radial plunger pump casing (9), tapered roller bearing (3) outer ring and inner ring are located by gear ring (2-1) and the contiguous block (4) of planetary reducer (2) respectively, deep groove ball bearing (5) outer ring and inner ring are respectively by radial plunger pump casing (9) and contiguous block (4) location, ball screw (7) is connected with swing frame crossbeam (8), feed screw nut (6) rotarily drives ball screw (7) horizontal motion, and then drive swing frame (10) to rotate around swing axis (16), thereby realize, the offset of radial plunger pump is regulated.
2. a kind of radial plunger pump delivery according to claim 1 regulates and uses AC servo machinery driving device, it is characterized in that: described planetary reducer (2) is arranged on radial plunger pump casing (9).
3. a kind of radial plunger pump delivery according to claim 1 regulates and uses AC servo machinery driving device, it is characterized in that: described actuating motor (1) is at afterbody with absolute encoder (1-1), and absolute encoder (1-1) is connected with computer.
4. a kind of radial plunger pump delivery according to claim 1 regulates and uses AC servo machinery driving device, it is characterized in that: the oil outlet place at radial plunger pump is provided with sensor, and sensor is connected with computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320271.5A CN104153958B (en) | 2014-07-07 | 2014-07-07 | A kind of radial plunger pump delivery regulates uses AC servo machinery driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320271.5A CN104153958B (en) | 2014-07-07 | 2014-07-07 | A kind of radial plunger pump delivery regulates uses AC servo machinery driving device |
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| Publication Number | Publication Date |
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| CN104153958A true CN104153958A (en) | 2014-11-19 |
| CN104153958B CN104153958B (en) | 2016-06-29 |
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| CN201410320271.5A Expired - Fee Related CN104153958B (en) | 2014-07-07 | 2014-07-07 | A kind of radial plunger pump delivery regulates uses AC servo machinery driving device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194637A (en) * | 2016-07-27 | 2016-12-07 | 西安交通大学 | A kind of servomotor directly drives the floating-cup type radial plunger pump of variable |
| CN106224191A (en) * | 2016-07-27 | 2016-12-14 | 西安交通大学 | A kind of radial piston variable displacement pump of floating-cup type piston shoes structure |
| CN106246488A (en) * | 2016-07-27 | 2016-12-21 | 西安交通大学 | A kind of floating-cup type radial plunger pump of the driven by servomotor variable of biserial plunger |
| CN107489877A (en) * | 2016-11-10 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of engine and its lubricating oil pump |
| CN108799045A (en) * | 2018-07-31 | 2018-11-13 | 江苏钧微动力科技有限公司 | A kind of vector controlled pump |
| CN108857031A (en) * | 2018-09-05 | 2018-11-23 | 南京中科煜宸激光技术有限公司 | The autonomous induction heating increasing material manufacturing device and method of continuous wire feed |
| CN109958595A (en) * | 2019-04-04 | 2019-07-02 | 山西平阳重工机械有限责任公司 | Manual adjustable axis flow distribution radial plunger pump |
| CN110100120A (en) * | 2016-12-22 | 2019-08-06 | 西门子股份公司 | Bevel Gear Transmission motor |
| CN110701031A (en) * | 2019-10-09 | 2020-01-17 | 太原理工大学 | Variable mechanism of radial plunger pump for continuously and proportionally adjusting flow |
| CN113494579A (en) * | 2020-04-08 | 2021-10-12 | 绍兴吉能纳米科技有限公司 | High-thrust execution device with two ends capable of reciprocating |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224191B (en) * | 2016-07-27 | 2018-04-17 | 西安交通大学 | A kind of radial piston variable displacement pump of floating-cup type piston shoes structure |
| CN106224191A (en) * | 2016-07-27 | 2016-12-14 | 西安交通大学 | A kind of radial piston variable displacement pump of floating-cup type piston shoes structure |
| CN106246488A (en) * | 2016-07-27 | 2016-12-21 | 西安交通大学 | A kind of floating-cup type radial plunger pump of the driven by servomotor variable of biserial plunger |
| CN106194637A (en) * | 2016-07-27 | 2016-12-07 | 西安交通大学 | A kind of servomotor directly drives the floating-cup type radial plunger pump of variable |
| CN106246488B (en) * | 2016-07-27 | 2018-04-17 | 西安交通大学 | A kind of floating-cup type radial plunger pump of the servomotor driving variable of biserial plunger |
| CN107489877B (en) * | 2016-11-10 | 2019-04-23 | 北汽福田汽车股份有限公司 | A kind of engine and its vane pump |
| CN107489877A (en) * | 2016-11-10 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of engine and its lubricating oil pump |
| CN110100120A (en) * | 2016-12-22 | 2019-08-06 | 西门子股份公司 | Bevel Gear Transmission motor |
| CN110100120B (en) * | 2016-12-22 | 2022-05-06 | 西门子股份公司 | Bevel gear drive motor |
| CN108799045A (en) * | 2018-07-31 | 2018-11-13 | 江苏钧微动力科技有限公司 | A kind of vector controlled pump |
| CN108799045B (en) * | 2018-07-31 | 2024-05-10 | 江苏钧微动力科技有限公司 | Vector control pump |
| CN108857031A (en) * | 2018-09-05 | 2018-11-23 | 南京中科煜宸激光技术有限公司 | The autonomous induction heating increasing material manufacturing device and method of continuous wire feed |
| CN109958595A (en) * | 2019-04-04 | 2019-07-02 | 山西平阳重工机械有限责任公司 | Manual adjustable axis flow distribution radial plunger pump |
| CN109958595B (en) * | 2019-04-04 | 2024-04-05 | 山西平阳重工机械有限责任公司 | Manual regulation type axial flow distribution radial plunger pump |
| CN110701031A (en) * | 2019-10-09 | 2020-01-17 | 太原理工大学 | Variable mechanism of radial plunger pump for continuously and proportionally adjusting flow |
| CN113494579A (en) * | 2020-04-08 | 2021-10-12 | 绍兴吉能纳米科技有限公司 | High-thrust execution device with two ends capable of reciprocating |
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| CN104153958B (en) | 2016-06-29 |
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