CN202707655U - Numerical control cartridge valve type distributor - Google Patents
Numerical control cartridge valve type distributor Download PDFInfo
- Publication number
- CN202707655U CN202707655U CN 201220351138 CN201220351138U CN202707655U CN 202707655 U CN202707655 U CN 202707655U CN 201220351138 CN201220351138 CN 201220351138 CN 201220351138 U CN201220351138 U CN 201220351138U CN 202707655 U CN202707655 U CN 202707655U
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- Prior art keywords
- oil circuit
- oil
- cartridge valve
- distributor
- dispense fluid
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Abstract
The utility model discloses a numerical control cartridge valve type distributor and relates to a distributor structure which is integrated with a hydraulic pump or a hydraulic motor in a hydraulic transmission control device. The distributor comprises an oil feeding device, a distributing member and a distributing control device which is composed of a coupling shaft, a revolving speed angle sensor, a cartridge valve and a computer, one or more high-speed electrical control thread type cartridge valves are installed in a valve cavity which is correspondingly communicated with a plunger piston cavity oil way in the hydraulic pump or a hydraulic motor body, and the cartridge valves are matched with the revolving speed angle sensor which is directly connected with the hydraulic pump or a main shaft of the hydraulic motor. According to practical control requirements and by means of analysis and control of computer software, the purpose that distributing states of each plunger piston cylinder in the hydraulic pump or the hydraulic motor are respectively and independently controlled is achieved, output flow required by the hydraulic pump or output torque and revolving speeds of the hydraulic motor can be conveniently and continuously controlled, and the improved distributor has the advantages of being simple and compact in structure, small in size, flexible in control and high in degree of automation.
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 formula distributor.
Background technique
As everyone knows, oil hydraulic pump is the core institution of whole hydraulic system, oil hydraulic motor then is the most important actuator of hydraulic system, distributor then is the essential elements that affects 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 that uses in hydraulic system at present mainly is to be made of the logical oily device and the dispense fluid that are connected, this dispense fluid is rotated relative to the body of oil hydraulic pump or oil hydraulic motor, various oil circuits also are set in dispense fluid, rotate the purpose that realizes flow by dispense fluid, this distributor structure that is applied on oil hydraulic pump or the oil hydraulic motor all can't independently be controlled flow flexibly, automaticity is lower, therefore for oil hydraulic pump with regard to uncontrollable output flow, and for oil hydraulic motor with regard to uncontrollable output torque, it is large that rotating speed, the distributor that uses simultaneously at present also have a volume, performance is reliable not, power consumption is large, the defectives such as price height.
Summary of the invention
Goal of the invention of the present utility model be to overcome the defective of prior art and provide that a kind of volume is little, simple and compact for structure, reliable performance, power consumption is few, price is low, control is flexible, automaticity is high digital control cartridge valve formula distributor, this distributor can be controlled separately respectively flow state, and the output flow that needs of convenient, continuous control oil hydraulic pump or output torque, the rotating speed of oil hydraulic motor of each plunger case in oil hydraulic pump or the oil hydraulic motor.
Goal of the invention of the present utility model realizes by following technical proposal:
A kind of digital control cartridge valve formula distributor, it is installed on the body of oil hydraulic pump or oil hydraulic motor, and this distributor comprises interconnected logical oily device and dispense fluid; Be provided with at least one plunger cavity oil circuit in the described body; Be provided with the first oil circuit and the second oil circuit that communicates with the external world in the described logical oily device; Be provided with the outer shroud oil circuit that communicates with the first oil circuit, the interior ring oil circuit that communicates with the second oil circuit in the described dispense fluid, reach at least one connection oil circuit, this is communicated with oil circuit and equates and one by one corresponding connection with plunger cavity oil circuit quantity; Also be provided with in the described distributor and control respectively outer shroud oil circuit, interior ring oil circuit and be communicated with the flow control gear that oil circuit is realized keying, described flow control gear comprises the joining shaft that is installed in logical oily device and the dispense fluid, this joining shaft is done supporting with the bearing in logical oily device and the dispense fluid and is rotated, and is provided with the rotating speed angle transducer that is in transmission connection at joining shaft; Be provided with at least one valve pocket in the described dispense fluid, this valve pocket equates with connection oil circuit quantity, each valve pocket all is communicated with outer shroud oil circuit, interior ring oil circuit and corresponding connection oil circuit simultaneously, all is equipped with to open and close outer shroud oil duct, interior ring oil duct and the corresponding cartridge valve that is communicated with oil circuit in each valve pocket; Be provided with between described rotating speed angle transducer and the 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 the worm structure detachable type.
Described joining shaft is the double-end key joining shaft, and this joining shaft one end stretches out logical oily device and the rotating speed angle transducer is in transmission connection, and the other end stretches out dispense fluid and is connected on the intrinsic main shaft, and is subjected to main shaft to drive rotation.
Described dispense fluid is fixed on the body, and distributor and oil hydraulic pump or oil hydraulic motor are integrated and connected and are integral.
Described connection oil circuit, plunger cavity oil circuit and valve pocket are provided with one by one corresponding 4 ~ 6 of being communicated with.
Compared with prior art, it is a kind of by joining shaft that the utility model mainly provides, the rotating speed angle transducer, the flow control gear that cartridge valve and computer consist of, this flow control gear mainly be with the valve pocket of oil hydraulic pump or the corresponding connection of intrinsic each the plunger cavity oil circuit of oil hydraulic motor in one or more high-speed electric control threaded cartridge valves are installed, the direct-connected rotating speed angle transducer of cooperation and oil hydraulic pump or oil hydraulic motor main shaft, according to the working control needs, as calculated machine software analysis control, to reach the purpose of controlling separately respectively the flow state of each plunger case in oil hydraulic pump or the oil hydraulic motor, and convenient, the output flow that continuous control oil hydraulic pump needs or the output torque of oil hydraulic motor, rotating speed, the distributor after the improvement has simple and compact for structure, volume is little, control flexibly, the automaticity advantages of higher.
Description of drawings
Fig. 1 is sectional structure schematic representation of the present utility model.
Fig. 2 is form structure schematic representation 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 distributor and oil hydraulic pump or the oil hydraulic motor all-in-one-piece sectional structure schematic representation that is integrated and connected.
Fig. 6 is hydraulic work schematic diagram of the present utility model.
Embodiment
Below in conjunction with above-mentioned accompanying drawing and adopt specific embodiment that the utility model is described in detail again.
Such as Fig. 1 ~ shown in Figure 6,1. cartridge valve, 2. the second oil circuit, 3. the rotating speed angle transducer, 4. logical oily device, 5. interior ring oil circuit, 6. the first oil circuit, 7. the outer shroud oil circuit, 8. be communicated with oil circuit, 9. dispense fluid, 10. joining shaft, 11. bodies, 12. plunger cavity oil circuits, 13. main shafts.
Digital control cartridge valve formula distributor as shown in Figure 1, relates generally to the distributor structure in a kind of hydraulic drive control device, and it also is the vitals in the whole hydraulic system.
Described distributor comprises logical oily device 4 and the dispense fluid 9 of cylindrical shape, and will lead to as shown in Figure 1 oily device 4 be arranged on the left side, dispense fluid 9 is arranged on the right side, and then 8 screws on logical oily device shown in Figure 4 left side should lead to oily device 4 and dispense fluid 9 links into an integrated entity.
Be provided with as shown in Figure 1 the first oil circuit 6 and the second oil circuit 2 that is " ┗ " shape in the described logical oily device 4, one of them hydraulic fluid port of this first, second oil circuit all is arranged on the outer peripheral surface of logical oily device 4, and is in communication with the outside; Another hydraulic fluid port all is arranged on the right side of logical oily device 4.
Be respectively equipped with outer shroud oil circuit 7, interior ring oil circuit 5 in the 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 the logical oily device 4, and another hydraulic fluid port is connected with valve pocket; One of them hydraulic fluid port of described interior ring oil circuit 5 also arranges on the left side of dispense fluid 9, and is connected with the second oil circuit 2 on the logical oily device 4, and another hydraulic fluid port also is connected with valve pocket.
The number needs that described connection oil circuit 8 and valve pocket arrange equates, and the quantity of this connection oil circuit and valve pocket must reach one at least, present embodiment is to adopt 5 to be communicated with oil circuit 8 and 5 valve pockets, these 5 connection oil circuits and 5 valve pockets are to make circumference uniform distribution centered by the center of circle of dispense fluid 9, each one of them hydraulic fluid port that is communicated with oil circuit 8 all needs corresponding one of them valve pocket that is communicated with, and each another hydraulic fluid port that is communicated with oil circuit 8 all is arranged on the right side of dispense fluid 9 as shown in Figure 3; In sum, as after 5 valve pockets and 5 are set are communicated with oil circuit, these 5 valve pockets all are communicated with outer shroud oil circuit 7 and interior ring oil circuit 5 simultaneously, also are connected with corresponding connection oil circuit 8 respectively.
Be equipped with the screw-in cartridge valve 1 of detachable installation in described each valve pocket, this cartridge valve is mainly used in realizing outer shroud oil circuit 7, interior ring oil circuit 5 and the corresponding keying that is 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 that leads in oily device 4 and the dispense fluid 9 and rotates, joining shaft 10 left ends are provided with the rotating speed angle transducer 3 that is in transmission connection after stretching out logical oily device 4, this rotating speed angle transducer can be used for detecting rotating speed and the corner of joining shaft 10, the rotating speed angle transducer connects the computer (not shown), and by computer respectively be installed in dispense fluid 9 on each cartridge valve 1 be connected, thereby play the effect of the keying of each cartridge valve being carried out digital automatic control.
The formed cover automation numerical control system of described joining shaft 10, rotating speed angle transducer 3, cartridge valve 1 and computer has namely consisted of the flow control gear of whole distributor, this distributor mainly forms matching used with pluger type hydraulic pump or oil hydraulic motor as shown in Figure 5, by dispense fluid 9 directly is fixed on the body 11 of oil hydraulic pump or oil hydraulic motor through 5 screws, thereby so that distributor and oil hydraulic pump or oil hydraulic motor are integrated and connected is integral.
Simultaneously, body 11 interior set plunger cavity oil circuit 12 quantity of oil hydraulic pump or oil hydraulic motor must equate with connection oil circuit 8, and be provided with at least a plunger cavity oil circuit 12, each plunger cavity oil circuit must be communicated with oil circuit 8 with each and form the one by one relation of corresponding connection, adopt 5 to be communicated with oil circuit such as present embodiment, 5 plunger cavity oil circuits 12 then must be set and realize one by one corresponding the connection; Certainly, the quantity that is communicated with oil circuit 8, plunger cavity oil circuit 12 and valve pocket can not be confined to 5 yet, also can and use needs to set up to corresponding 4 ~ 6 of being communicated with even more one by one according to constructional aspect, and joining shaft 10 right-hand members need pass dispense fluid 9, then be fastened on the main shaft 13 that rotates in the body 11, and be subjected to main shaft to drive the formation rotation.
This distributor and oil hydraulic pump or the oil hydraulic motor all-in-one-piece working principle that is integrated and connected specifically describes Figure 6 shows that example, and the P mouth shown in Fig. 6 and T mouth can exchange according to operating mode.When using as oil hydraulic pump, the first oil circuit 6 shown in Figure 5 and the second oil circuit 2 can be respectively as oil transportation mouth, inlet ports, P shown in Figure 6 is that oil transportation mouth, T are the inlet port connected tank, cartridge valve 1 is in the home position as shown in Figure 6, a plurality of plunger cases of oil hydraulic pump link to each other with fuel tank through cartridge valve 1, P mouth this moment output flow not; The main shaft 13 that drives oil hydraulic pump when exterior power source rotates, and then after driving joining shaft 10 rotations, the rotating speed angle transducer 3 that is 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 to the computer that is connected, after the software processing analysis, can control the switching of one or more cartridge valves 1, thereby make single or multiple or whole plungers of oil hydraulic pump enter work, be implemented under the different input speed states, can both obtain flexibly needed output flow.
When using as oil hydraulic motor, can advance high pressure oil from the first oil circuit 6 shown in Figure 5 or the second oil circuit 2 as required, P mouth or T mouth shown in Figure 6 advance high pressure oil, then actual speed, the corner needs exported according to main shaft 13, obtain actuating signal by rotating speed angle transducer 3, and after machine is analyzed as calculated, can control the switching of cartridge valve 1, realization is controlled separately import and export to each plunger cavity, reaches torque and rotating speed that output requires.
After the utility model is applied to oil hydraulic pump or oil hydraulic motor, greatly simplified hydraulic system, can control flexibly, dynamically output flow, and the output torque and rotational speed of oil hydraulic motor of oil hydraulic pump, this is simple and compact for structure, can reduce and reveal link, the minimizing pressure loss, raising system effectiveness, convenient for maintaining dismounting, also have simultaneously beautiful shape, good, the high volumetric efficiency of processing technology, can antipollution, reliable performance, the advantage such as price is lower, power consumption is less.Direct and the computer interface of this distributor is convenient to realize automation and remote the adjusting, and the linearity, repetitive error and resolution are all less, and operating accuracy is high.
Claims (5)
1. digital control cartridge valve formula distributor, it is installed on the body (11) of oil hydraulic pump or oil hydraulic motor, and this distributor comprises interconnected logical oily device (4) and dispense fluid (9); Be provided with at least one plunger cavity oil circuit (12) in the described body (11); Be provided with the first oil circuit (6) and the second oil circuit (2) that communicate with the external world in the described logical oily device (4); Be provided with the outer shroud oil circuit (7) that communicates with the first oil circuit (6), the interior ring oil circuit (5) that communicates with the second oil circuit (2) in the described dispense fluid (9), reach at least one connection oil circuit (8), this is communicated with oil circuit and equates and one by one corresponding connection with plunger cavity oil circuit (12) quantity; Also be provided with in the described distributor and control respectively outer shroud oil circuit (7), interior ring oil circuit (5) and be communicated with the flow control gear that oil circuit (8) is realized keying, it is characterized in that:
A, described flow control gear comprise the joining shaft (10) that is installed in logical oily device (4) and the dispense fluid (9), this joining shaft is done supporting with the bearing in logical oily device (4) and the dispense fluid (9) and is rotated, and is provided with the rotating speed angle transducer (3) that is in transmission connection at joining shaft (10);
B, described dispense fluid are provided with at least one valve pocket in (9), this valve pocket equates with connection oil circuit (8) quantity, each valve pocket all is communicated with outer shroud oil circuit (7), interior ring oil circuit (5) and corresponding connection oil circuit (8) simultaneously, all is equipped with to open and close outer shroud oil duct (7), interior ring oil duct (5) and the corresponding cartridge valve (1) that is communicated with oil circuit (8) in each valve pocket;
Be provided with between c, described rotating speed angle transducer (3) and the cartridge valve (1) and make numerically controlled computer.
2. digital control cartridge valve formula distributor according to claim 1 is characterized in that described cartridge valve (1) is threaded cartridge valve, and this cartridge valve is connected in the valve pocket of described dispense fluid (9) with the worm structure detachable type.
3. digital control cartridge valve formula distributor according to claim 1, it is characterized in that described joining shaft (10) is the double-end key joining shaft, this joining shaft one end stretches out logical oily device (4) and is in transmission connection with rotating speed angle transducer (3), the other end stretches out dispense fluid (9) and is connected on the interior main shaft (13) of body (11), and is subjected to main shaft to drive rotation.
4. digital control cartridge valve formula distributor according to claim 1 is characterized in that described dispense fluid (9) is fixed on the body (11), and distributor and oil hydraulic pump or oil hydraulic motor are integrated and connected and are integral.
5. digital control cartridge valve formula 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 one by one corresponding 4 ~ 6 of being communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220351138 CN202707655U (en) | 2012-07-19 | 2012-07-19 | Numerical control cartridge valve type distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220351138 CN202707655U (en) | 2012-07-19 | 2012-07-19 | Numerical control cartridge valve type distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707655U true CN202707655U (en) | 2013-01-30 |
Family
ID=47587962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220351138 Withdrawn - After Issue CN202707655U (en) | 2012-07-19 | 2012-07-19 | Numerical control cartridge valve type distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748337A (en) * | 2012-07-19 | 2012-10-24 | 意宁液压股份有限公司 | Digital-control cartridge valve type distributor |
-
2012
- 2012-07-19 CN CN 201220351138 patent/CN202707655U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748337A (en) * | 2012-07-19 | 2012-10-24 | 意宁液压股份有限公司 | Digital-control cartridge valve type distributor |
| CN102748337B (en) * | 2012-07-19 | 2015-10-28 | 意宁液压股份有限公司 | Digital-control cartridge valve type distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CU01 | Correction of utility model patent |
Correction item: Claims|Description Correct: Correct False: Error Number: 05 Page: Description Volume: 29 Correction item: Claims|Description Correct: Correct False: Error Number: 05 Page: Description Volume: 29 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |