CN102748337B - Digital-control cartridge valve type distributor - Google Patents
Digital-control cartridge valve type distributor Download PDFInfo
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- CN102748337B CN102748337B CN201210250641.3A CN201210250641A CN102748337B CN 102748337 B CN102748337 B CN 102748337B CN 201210250641 A CN201210250641 A CN 201210250641A CN 102748337 B CN102748337 B CN 102748337B
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Abstract
The invention discloses a kind of Digital-control cartridge valve type distributor, relate in a kind of hydraulic drive control device the all-in-one-piece distributor structure that is integrated and connected with oil hydraulic pump or oil hydraulic motor, it mainly comprises logical oily device, dispense fluid etc., also comprise by joining shaft, tacho-angle sensor, the flow control gear that cartridge valve and computer are formed, and installing one or more high-speed electric control threaded cartridge valve with in the corresponding valve pocket be communicated with of each plunger cavity oil circuit in oil hydraulic pump or hydraulic motor body, coordinate the tacho-angle sensor be directly connected with oil hydraulic pump or oil hydraulic motor main shaft, according to working control needs, machine software analysis controls as calculated, to reach the object of the flow state of each plunger case in individually hydraulic control pump or oil hydraulic motor, and it is convenient, the Driving Torque of the output flow that continuous print hydraulic control pump needs or oil hydraulic motor, rotating speed, distributor after improvement has simple and compact for structure, volume is little, control flexibly, automaticity advantages of higher.
Description
Technical field
The utility model relates to the distributor structure in a kind of hydraulic drive control device, refers in particular to Digital-control cartridge valve type distributor.
Background technique
As everyone knows, oil hydraulic pump is the core institution of whole hydraulic system, oil hydraulic motor is then the most important actuator of hydraulic system, distributor is then the essential elements affecting oil hydraulic pump and oil hydraulic motor performance, the quality of distributor performance is for the use important of whole hydraulic system, and it will directly affect the stability of whole hydraulic system.The distributor used in hydraulic system at present is mainly made up of the logical oily device be connected and dispense fluid, the body of this dispense fluid opposing hydraulic pump or oil hydraulic motor rotates, in dispense fluid, various oil circuit is also set, rotated by dispense fluid and realize the object of flow, this distributor structure be applied on oil hydraulic pump or oil hydraulic motor all independently cannot control flow flexibly, automaticity is lower, therefore for just uncontrollable output flow oil hydraulic pump, and for just uncontrollable Driving Torque oil hydraulic motor, rotating speed, it is large that the distributor simultaneously used at present also has volume, performance is reliable not, power consumption is large, the defects such as price is high.
Summary of the invention
Goal of the invention of the present utility model is to overcome the defect of prior art and provides the Digital-control cartridge valve type distributor that a kind of volume is little, simple and compact for structure, reliable performance, power consumption are few, price is low, control is flexible, automaticity is high, and this distributor can individually the flow state of each plunger case Driving Torque, the rotating speed of the output flow convenient, continuous print hydraulic control pump needs or oil hydraulic motor in hydraulic control pump or oil hydraulic motor.
Goal of the invention of the present utility model is realized by following technical proposal:
A kind of Digital-control cartridge valve type distributor, it is arranged on the body of oil hydraulic pump or oil hydraulic motor, and this distributor comprises the logical oily device and dispense fluid that are connected to each other; At least one plunger cavity oil circuit is provided with in described body; The first oil circuit communicated with the external world and the second oil circuit is provided with in described logical oily device; Be provided with in described dispense fluid the outer shroud oil circuit communicated with the first oil circuit, the inner ring oil circuit communicated with the second oil circuit and at least one be communicated with oil circuit, this connection oil circuit and one_to_one corresponding equal with plunger cavity oil circuit quantity is communicated with; Also be provided with in described distributor and control outer shroud oil circuit, inner ring oil circuit respectively and be communicated with the flow control gear that oil circuit realizes keying, described flow control gear comprises the joining shaft be arranged in logical oily device and dispense fluid, this joining shaft makes support rotary with the bearing in logical oily device and dispense fluid, and joining shaft is provided with the tacho-angle sensor be in transmission connection; At least one valve pocket is provided with in described dispense fluid, this valve pocket is equal with connection oil circuit quantity, each valve pocket is communicated with outer shroud oil circuit all simultaneously, inner ring oil circuit is communicated with oil circuit with correspondence, is all provided with the cartridge valve opening and closing outer shroud oil circuit, inner ring oil circuit and correspondence and be communicated with oil circuit in each valve pocket; Be provided with between described tacho-angle sensor and cartridge valve and make numerically controlled computer.
Described cartridge valve is threaded cartridge valve, and this cartridge valve is connected in the valve pocket of described dispense fluid with worm structure detachable type.
Described joining shaft is double-end key joining shaft, and logical oily device is stretched out in this joining shaft one end and tacho-angle sensor is in transmission connection, and the other end stretches out dispense fluid and is connected on intrinsic main shaft, and drives rotation by main shaft.
Described dispense fluid is fixed on body, and distributor and oil hydraulic pump or oil hydraulic motor are integrated and connected integral.
Described connection oil circuit, plunger cavity oil circuit and valve pocket are provided with 4 ~ 6 that one_to_one corresponding is communicated with.
Compared with prior art, the utility model mainly provides a kind of by joining shaft, tacho-angle sensor, the flow control gear that cartridge valve and computer are formed, this flow control gear is mainly installing one or more high-speed electric control threaded cartridge valve with in the corresponding valve pocket be communicated with of each plunger cavity oil circuit in oil hydraulic pump or hydraulic motor body, coordinate the tacho-angle sensor be directly connected with oil hydraulic pump or oil hydraulic motor main shaft, according to working control needs, machine software analysis controls as calculated, to reach the object of the flow state of each plunger case in individually hydraulic control pump or oil hydraulic motor, and it is convenient, the Driving Torque of the output flow that continuous print hydraulic control pump needs or oil hydraulic motor, rotating speed, distributor after improvement has simple and compact for structure, volume is little, control flexibly, automaticity advantages of higher.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is form structure schematic diagram of the present utility model.
Fig. 3 is the right elevation of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Fig. 5 is that distributor and oil hydraulic pump or oil hydraulic motor are integrated and connected all-in-one-piece sectional structure schematic diagram.
Fig. 6 is hydraulic work schematic diagram of the present utility model.
Embodiment
Specific embodiment is adopted to be described in detail the utility model again below in conjunction with above-mentioned accompanying drawing.
As shown in Fig. 1 ~ Fig. 6,1. cartridge valve, 2. the second oil circuit, 3. tacho-angle sensor, 4. logical oily device, 5. inner ring oil circuit, 6. the first oil circuit, 7. outer shroud oil circuit, 8. connection oil circuit, 9. dispense fluid, 10. joining shaft, 11. bodies, 12. plunger cavity oil circuits, 13. main shafts.
Digital-control cartridge valve type distributor, as shown in Figure 1, relate generally to the distributor structure in a kind of hydraulic drive control device, it is also the vitals in whole hydraulic system.
Described distributor comprises logical oily device 4 and the dispense fluid 9 of cylindrical shape, and as shown in Figure 1 logical oily device 4 is arranged on left side, dispense fluid 9 is arranged on right side, and this logical oily device 4 and dispense fluid 9 link into an integrated entity by 8 screws then on oily device left side logical shown in Fig. 4.
Be provided with the first oil circuit 6 and the second oil circuit 2 as shown in Figure 1 in " ┗ " shape in described logical oily device 4, one of them hydraulic fluid port of this first, second oil circuit is all arranged on the outer peripheral surface of logical oily device 4, and is in communication with the outside; Another hydraulic fluid port is all arranged on the right side of logical oily device 4.
Be respectively equipped with outer shroud oil circuit 7, inner ring oil circuit 5 in described dispense fluid 9, be communicated with oil circuit 8 and valve pocket.One of them hydraulic fluid port of described outer shroud oil circuit 7 is arranged on the left side of dispense fluid 9, and is connected with the first oil circuit 6 on logical oily device 4, and another hydraulic fluid port is connected with valve pocket; One of them hydraulic fluid port of described inner ring oil circuit 5 is also arranged on the left side of dispense fluid 9, and is connected with the second oil circuit 2 on logical oily device 4, and another hydraulic fluid port is also connected with valve pocket.
The number needs that described connection oil circuit 8 and valve pocket are arranged is equal, and the quantity of this connection oil circuit and valve pocket must at least reach one, the present embodiment is that employing 5 is communicated with oil circuit 8 and 5 valve pockets, these 5 connection oil circuits and 5 valve pockets make circumference uniform distribution centered by the center of circle of dispense fluid 9, one of them hydraulic fluid port of each connection oil circuit 8 all needs corresponding one of them valve pocket of connection, and another hydraulic fluid port of each connection oil circuit 8 is all arranged on the right side of dispense fluid 9 as shown in Figure 3; In sum, after as arranged, 5 valve pockets are communicated with oil circuit with 5, these 5 valve pockets are communicated with outer shroud oil circuit 7 and inner ring oil circuit 5 all simultaneously, are also connected with corresponding connection oil circuit 8 respectively.
Be equipped with the screw-in cartridge valve 1 of detachable installation in each described valve pocket, this cartridge valve is mainly used in realizing outer shroud oil circuit 7, inner ring oil circuit 5 and the corresponding keying being communicated with oil circuit 8.
The circle centre position of described logical oily device 4 and dispense fluid 9 is provided with a double-end key joining shaft 10, this joining shaft is bearing on the bearing in logical oily device 4 and dispense fluid 9 and rotates, joining shaft 10 left end is provided with the tacho-angle sensor 3 be in transmission connection after stretching out logical oily device 4, this tacho-angle sensor can be used for the rotating speed and the corner that detect joining shaft 10, tacho-angle sensor connects computer (not shown), and be connected with each cartridge valve 1 be arranged in dispense fluid 9 respectively by computer, thus play the effect keying of each cartridge valve being carried out to digital automatic control.
Namely a set of automation numerical control system that described joining shaft 10, tacho-angle sensor 3, cartridge valve 1 and computer are formed constitutes the flow control gear of whole distributor, this distributor is mainly formed matching used with pluger type hydraulic pump or oil hydraulic motor as shown in Figure 5, by dispense fluid 9 being directly fixed on the body 11 of oil hydraulic pump or oil hydraulic motor through 5 screws, thus it is integral that distributor and oil hydraulic pump or oil hydraulic motor are integrated and connected.
Simultaneously, plunger cavity oil circuit 12 quantity set in the body 11 of oil hydraulic pump or oil hydraulic motor must be equal with connection oil circuit 8, and be at least provided with a plunger cavity oil circuit 12, each plunger cavity oil circuit must be communicated with oil circuit 8 and form the relation that one_to_one corresponding is communicated with each, as the present embodiment adopts 5 to be communicated with oil circuit, then 5 plunger cavity oil circuits 12 must be set and realize one_to_one corresponding connection; Certainly, the quantity being communicated with oil circuit 8, plunger cavity oil circuit 12 and valve pocket also can not be confined to 5, also can to need and to set up 4 ~ 6 of being communicated with to one_to_one corresponding even more with using according to constructional aspect, and joining shaft 10 right-hand member need through dispense fluid 9, then be fastened on the main shaft 13 that rotates in body 11, and drive to be formed by main shaft and rotate.
This distributor and oil hydraulic pump or oil hydraulic motor are integrated and connected all-in-one-piece working principle Figure 6 shows that example is specifically described, and the P mouth shown in Fig. 6 and T mouth can exchange according to operating mode.When using as oil hydraulic pump, shown in Fig. 5, the first oil circuit 6 and the second oil circuit 2 can respectively as oil transportation mouth, inlet ports, P shown in Fig. 6 is oil transportation mouth, T is inlet port connected tank, cartridge valve 1 is in home position as shown in Figure 6, multiple plunger cases of oil hydraulic pump are connected with fuel tank through cartridge valve 1, now P mouth not output flow, when exterior power source drives the main shaft 13 of oil hydraulic pump to rotate, and then after driving joining shaft 10 to rotate, the tacho-angle sensor 3 be in transmission connection on joining shaft will obtain actuating signal, and according to the needs of current plunger state and actual output flow, actuating signal is formed digital information transmission on the computer be connected, after software processing is analyzed, the switching of one or more cartridge valve 1 can be controlled, thus make the single or multiple of oil hydraulic pump or whole plunger enter work, realize under different input speed states, required output flow can be obtained flexibly.
When using as oil hydraulic motor, high pressure oil can be entered as required from the first oil circuit 6 shown in Fig. 5 or the second oil circuit 2, P mouth shown in Fig. 6 or T mouth enter high pressure oil, then according to actual speed, corner needs that main shaft 13 exports, obtain actuating signal by tacho-angle sensor 3, and after machine is analyzed as calculated, the switching of cartridge valve 1 can be controlled, realize controlling separately to import and export to each plunger cavity, reach the torque and rotating speed that export and require.
After the utility model is applied to oil hydraulic pump or oil hydraulic motor, greatly simplify hydraulic system, can flexibly, the dynamic output flow of hydraulic control pump and the Driving Torque of oil hydraulic motor and rotating speed, this is simple and compact for structure, can reduce and reveal link, the minimizing pressure loss, raising system effectiveness, convenient for maintaining dismounting, also there is beautiful shape, good, the high volumetric efficiency of processing technology, energy antipollution, reliable performance simultaneously, the advantages such as price is lower, power consumption is less.Directly and computer interface, be convenient to realize automation and regulate at a distance, the linearity, repetitive error and resolution are all less, and operating accuracy is high for this distributor.
Claims (5)
1. a Digital-control cartridge valve type distributor, it is arranged on the body (11) of oil hydraulic pump or oil hydraulic motor, and this distributor comprises the logical oily device (4) and dispense fluid (9) that are connected to each other; At least one plunger cavity oil circuit (12) is provided with in described body (11); The first oil circuit (6) communicated with the external world and the second oil circuit (2) is provided with in described logical oily device (4); Be provided with in described dispense fluid (9) the outer shroud oil circuit (7) communicated with the first oil circuit (6), the inner ring oil circuit (5) communicated with the second oil circuit (2) and at least one be communicated with oil circuit (8), this connection oil circuit and one_to_one corresponding equal with plunger cavity oil circuit (12) quantity is communicated with; Also be provided with in described distributor and control outer shroud oil circuit (7), inner ring oil circuit (5) respectively and be communicated with the flow control gear that oil circuit (8) realizes keying; Described flow control gear comprises the joining shaft (10) be arranged in logical oily device (4) and dispense fluid (9), this joining shaft makes support rotary with the bearing in logical oily device (4) and dispense fluid (9), joining shaft (10) is provided with the tacho-angle sensor (3) be in transmission connection, it is characterized in that:
A, described dispense fluid are provided with at least one valve pocket in (9), this valve pocket is equal with connection oil circuit (8) quantity, each valve pocket is communicated with outer shroud oil circuit (7) all simultaneously, inner ring oil circuit (5) is communicated with oil circuit (8) with corresponding, is all provided with the cartridge valve (1) opening and closing outer shroud oil circuit (7), inner ring oil circuit (5) and correspondence and be communicated with oil circuit (8) in each valve pocket;
B, be provided with between described tacho-angle sensor (3) and cartridge valve (1) and make numerically controlled computer.
2. Digital-control cartridge valve type distributor according to claim 1, it is characterized in that described cartridge valve (1) is threaded cartridge valve, this cartridge valve is connected in the valve pocket of described dispense fluid (9) with worm structure detachable type.
3. Digital-control cartridge valve type distributor according to claim 1, it is characterized in that described joining shaft (10) is double-end key joining shaft, this joining shaft one end is stretched out logical oily device (4) and is in transmission connection with tacho-angle sensor (3), the other end stretches out on the main shaft (13) that dispense fluid (9) is connected in body (11), and drives by main shaft and rotate.
4. Digital-control cartridge valve type distributor according to claim 1, is characterized in that described dispense fluid (9) is fixed on body (11), and distributor and oil hydraulic pump or oil hydraulic motor are integrated and connected integral.
5. Digital-control cartridge valve type distributor according to claim 1, is characterized in that described connection oil circuit (8), plunger cavity oil circuit (12) and valve pocket are provided with 4 ~ 6 that one_to_one corresponding is communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250641.3A CN102748337B (en) | 2012-07-19 | 2012-07-19 | Digital-control cartridge valve type distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250641.3A CN102748337B (en) | 2012-07-19 | 2012-07-19 | Digital-control cartridge valve type distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102748337A CN102748337A (en) | 2012-10-24 |
| CN102748337B true CN102748337B (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210250641.3A Active CN102748337B (en) | 2012-07-19 | 2012-07-19 | Digital-control cartridge valve type distributor |
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| Country | Link |
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| CN (1) | CN102748337B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605015A (en) * | 2016-02-29 | 2016-05-25 | 宁波高新区微动科技有限公司 | Integrated multi-way oil rotary distributor |
| CN110541788A (en) * | 2019-09-30 | 2019-12-06 | 张尉华 | electric control hydraulic motor |
| CN114992184A (en) * | 2022-07-12 | 2022-09-02 | 华侨大学 | Two-way cartridge valve flow distribution radial plunger hydraulic device controlled by rotating shaft and working method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474824A (en) * | 1968-01-17 | 1969-10-28 | Deere & Co | Dump valve for hydraulic control system |
| CN2711433Y (en) * | 2004-07-16 | 2005-07-20 | 胡世璇 | Integration of control component and hydraulic motor in oil distributor |
| CN101235835A (en) * | 2008-02-29 | 2008-08-06 | 上海大学 | Hydraulic digital controller |
| CN101482088A (en) * | 2009-01-20 | 2009-07-15 | 胡世璇 | Flow distributor of axial plunger variable hydraulic motor |
| CN101968028A (en) * | 2010-09-17 | 2011-02-09 | 上海交通大学 | Digital type assignment and regulating mechanism of low-speed and large-torsion hydraulic motor with crankshaft connecting rod |
| CN202707655U (en) * | 2012-07-19 | 2013-01-30 | 意宁液压股份有限公司 | Numerical control cartridge valve type distributor |
-
2012
- 2012-07-19 CN CN201210250641.3A patent/CN102748337B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474824A (en) * | 1968-01-17 | 1969-10-28 | Deere & Co | Dump valve for hydraulic control system |
| CN2711433Y (en) * | 2004-07-16 | 2005-07-20 | 胡世璇 | Integration of control component and hydraulic motor in oil distributor |
| CN101235835A (en) * | 2008-02-29 | 2008-08-06 | 上海大学 | Hydraulic digital controller |
| CN101482088A (en) * | 2009-01-20 | 2009-07-15 | 胡世璇 | Flow distributor of axial plunger variable hydraulic motor |
| CN101968028A (en) * | 2010-09-17 | 2011-02-09 | 上海交通大学 | Digital type assignment and regulating mechanism of low-speed and large-torsion hydraulic motor with crankshaft connecting rod |
| CN202707655U (en) * | 2012-07-19 | 2013-01-30 | 意宁液压股份有限公司 | Numerical control cartridge valve type distributor |
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| Publication number | Publication date |
|---|---|
| CN102748337A (en) | 2012-10-24 |
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