CN203532372U - Fan-shaped section clamping hydraulic system based on hydraulic synchronous motor control - Google Patents
Fan-shaped section clamping hydraulic system based on hydraulic synchronous motor control Download PDFInfo
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- CN203532372U CN203532372U CN201320665300.2U CN201320665300U CN203532372U CN 203532372 U CN203532372 U CN 203532372U CN 201320665300 U CN201320665300 U CN 201320665300U CN 203532372 U CN203532372 U CN 203532372U
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Abstract
The utility model discloses a fan-shaped section clamping hydraulic system based on hydraulic synchronous motor control. The fan-shaped section clamping hydraulic system based on hydraulic synchronous motor control comprises an electro-hydraulic directional valve, a plurality of synchronous flow division motors and a plurality of hydraulic cylinders, wherein the electro-hydraulic directional valve, the synchronous flow division motors and the hydraulic cylinders are connected through connecting pipelines, the synchronous flow division motors and the hydraulic cylinders are correspondingly connected in a one-to-one mode, the electro-hydraulic directional valve can convey pressure oil to the hydraulic cylinders through the corresponding synchronous flow division motors to carry out clamping or release motions, and can convey the pressure oil to hydraulic motors through the corresponding hydraulic cylinders to carry out release or clamping motions, and control through the synchronous flow division motors can be achieved. The fan-shaped section clamping hydraulic system based on hydraulic synchronous motor control has the biggest advantage that the cost can be reduced as much as possible on the situation that control accuracy of the fan-shaped section clamping hydraulic system can be ensured; compared with a synchronous control loop of a flow dividing and combining valve, control accuracy is higher, and stability is better; compared with a synchronous control loop of a hydraulic proportional valve, the requirement for the cleanliness of hydraulic oil is lower than that of the hydraulic proportional valve, maintenance is convenient, and the operating cost of the fan-shaped section clamping hydraulic system is reduced.
Description
Technical field
The utility model relates to a kind of fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor.
Background technique
At present, control fan-shaped section clamps four cylinder synchronization hydraulic system forms and mainly contains following several form: hydraulic proportion valve synchronizing control loop, bridge type synchronous control loop and flow divider-combiner synchronizing control loop etc.
But in the long-term process of using, flow divider-combiner synchronizing control loop is because its control accuracy is not high, and is eliminated gradually.Bridge type synchronous control loop control accuracy is lower, and its synchronous debugging difficulty is large, not only high to equipment requirement, and requires also higher to commissioning staff's technical merit.Hydraulic proportion valve synchronizing control loop can reach the synchronization accuracy of equipment requirement, but to having relatively high expectations of hydraulic medium, and to there is automatic control technology to support, machinery also be required to the feedback of displacement or pressure, in the process of using, the maintenance cost of hydraulic system is also higher.
Therefore, how to provide a kind of in the situation that guaranteeing system control accuracy, the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor reducing costs is as much as possible those skilled in the art's technical problems urgently to be resolved hurrily.
Model utility content
The purpose of this utility model is to provide a kind of fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, can be in the situation that guaranteeing system control accuracy, and reducing costs is as much as possible the maximum feature of this technical products.
To achieve the above object, the utility model adopts following technological scheme:
A kind of fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, comprise the electro-hydraulic reversing valve connecting through connecting pipeline, some synchronous diffluence motors and some oil hydraulic cylinders, described synchronous diffluence motor and described oil hydraulic cylinder connect one to one, described some synchronous diffluence motors are with discharge capacity and be assembled into the synchronous diffluence motor group of shaft coupling type, electro-hydraulic reversing valve can be transported to corresponding oil hydraulic cylinder through synchronous diffluence motor by pressure oil and clamps or unclamp action, and pressure oil can be transported to corresponding oil hydraulic motor through oil hydraulic cylinder unclamps or clamps action.
Preferably, in the above-mentioned fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, described electro-hydraulic reversing valve comprises valve body and is arranged at the electromagnet of valve inner, on described valve body, have main filler opening, the logical hydraulic fluid port of the first work, the logical hydraulic fluid port of the second work and main return opening, the logical hydraulic fluid port of described the first work is connected with the logical hydraulic fluid port of described the first work with after corresponding oil hydraulic cylinder through each synchronous diffluence motor respectively.
Preferably, in the above-mentioned fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, pipeline between the logical hydraulic fluid port of described the first work and synchronous diffluence motor is provided with an one-way throttle valve, and the pipeline between the logical hydraulic fluid port of described the second work and oil hydraulic cylinder is provided with another one-way throttle valve.
Preferably, in the above-mentioned fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, also comprise the total filler opening of system and the total oil outlet of system, described main filler opening is connected with the total filler opening of described system, and described main return opening is connected with the total filler opening of described system.
Preferably, in the above-mentioned fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, the connecting pipeline of described main filler opening and the total filler opening of described system is provided with ball valve, and the connecting pipeline of described main return opening and the total filler opening of described system is provided with one-way valve.
Preferably, in the above-mentioned fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, also comprise valve platform support, described synchronous diffluence motor is arranged at the bottom of described valve platform support, and described ball valve is arranged at the top of described valve platform support.
Preferably, in the above-mentioned fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, in described synchronous diffluence motor, be respectively equipped with a relief valve.
Preferably, in the above-mentioned fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, described some synchronous diffluence motors fit together by the coaxial mode of machinery.
Preferably, in the above-mentioned fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, the discharge capacity of described some synchronous diffluence motors just as.
The fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor that the utility model provides, comprise the electro-hydraulic reversing valve connecting through connecting pipeline, some synchronous diffluence motors and some oil hydraulic cylinders, described synchronous diffluence motor and described oil hydraulic cylinder connect one to one, electro-hydraulic reversing valve can be transported to corresponding oil hydraulic cylinder through synchronous diffluence motor by pressure oil and clamps or unclamp action, and pressure oil can be transported to corresponding oil hydraulic motor through oil hydraulic cylinder unclamps or clamps action, can realize synchronous diffluence motor controls, can be in the situation that guaranteeing system control accuracy, reducing costs is as much as possible the maximum feature of this technical products.Mentality of designing of the present utility model is mainly to realize synchronization control with the alternative flow divider-combiner of one group of syncmotor and bridge type return, and it is compared with flow divider-combiner synchronizing control loop, and control accuracy is higher, and stability is better; It compares high less than Proportional valve to the turbidity test of hydraulic oil with hydraulic proportion valve synchronizing control loop, be convenient to safeguard, reduces the operating cost of system simultaneously.
Accompanying drawing explanation
The fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is the schematic diagram of the utility model one embodiment's the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor;
Fig. 2 is the structural representation of the utility model one embodiment's the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor.
In figure, 1-ball valve; 2-one-way valve; 3-electro-hydraulic reversing valve; 4-one-way throttle valve; 5-pressure measuring tie-in; 6-pressure measurement flexible pipe; 7-pressure gauge; 8-synchronous diffluence motor; 9-pressure relay; 10-oil hydraulic cylinder group; 11-valve platform support; The main filler opening of P-; The logical hydraulic fluid port of A-the first work; The logical hydraulic fluid port of B-the second work; The main return opening of T-; P
alwaysthe total filler opening of-system; T
alwaysthe total oil outlet of-system.
Embodiment
To the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present utility model be described in further detail below.
Below with reference to accompanying drawings the utility model is described in more detail, has wherein represented preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here and still realize the beneficial effects of the utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
For clear, whole features of practical embodiments are not described.They in the following description, are not described in detail known function and structure, because can make the utility model chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, must make a large amount of implementation details to realize developer's specific objective, for example, according to the restriction of relevant system or relevant business, by an embodiment, change into another embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work to those skilled in the art.
For the purpose of this utility model, feature are become apparent, below in conjunction with accompanying drawing, embodiment of the present utility model is further described.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, aid illustration the utility model embodiment's object lucidly.
Refer to Fig. 1 and 2, this fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, comprise the electro-hydraulic reversing valve 33 connecting through connecting pipeline, some synchronous diffluence motors and some oil hydraulic cylinders, described synchronous diffluence motor and described oil hydraulic cylinder connect one to one, described some synchronous diffluence motors are with synchronous diffluence motor group discharge capacity and that be assembled into shaft coupling type, described some oil hydraulic cylinders form oil hydraulic cylinder group 10, electro-hydraulic reversing valve 3 can be transported to corresponding oil hydraulic cylinder through synchronous diffluence motor by pressure oil and clamps or unclamp action, and pressure oil can be transported to corresponding oil hydraulic motor through oil hydraulic cylinder unclamps or clamps action.
Preferably, in the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present embodiment, described electro-hydraulic reversing valve 3 comprises valve body (for diagram) and is arranged at the electromagnet (electromagnet a and electromagnet b) of valve inner, on described valve body, have main oil inlet P, the logical hydraulic fluid port A of the first work, the logical hydraulic fluid port B of the second work and main oil return inlet T, the logical hydraulic fluid port A of described the first work is connected with the logical hydraulic fluid port A of described the first work with after corresponding oil hydraulic cylinder through each synchronous diffluence motor respectively.
Preferably, in the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present embodiment, pipeline between the logical hydraulic fluid port A of described the first work and synchronous diffluence motor is provided with an one-way throttle valve 4, and the pipeline between the logical hydraulic fluid port B of described the second work and oil hydraulic cylinder is provided with another one-way throttle valve 4.
Preferably, in the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present embodiment, also comprise the total oil inlet P of system
alwayswith the total oil outlet T of system
always, described main oil inlet P and the total oil inlet P of described system
alwaysconnect the total filler opening T of described main oil return inlet T and described system
alwaysconnect.
Preferably, in the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present embodiment, described main oil inlet P and the total oil inlet P of described system
alwaysconnecting pipeline be provided with ball valve 1, the connecting pipeline of described main oil return inlet T and the total filler opening of described system is provided with one-way valve 2.The total oil outlet T of the total filler opening of described system and system
alwaysbe connected to respectively a fuel tank.
Preferably, in the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present embodiment, also comprise valve platform support 11, described synchronous diffluence motor is arranged at the bottom of described valve platform support 11, and described ball valve 1 is arranged at the top of described valve platform support 11.
Preferably, in the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present embodiment, in described synchronous diffluence motor, be respectively equipped with a relief valve (not shown).In each synchronous diffluence motor, be provided with relief valve and realize the overload protection of synchronous diffluence motor in running; once stop up in loop; excessive hydraulic oil just can be back to fuel tank (not shown) from relief valve, thereby plays the effect of protection synchronous diffluence motor.
Preferably, in the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present embodiment, described some synchronous diffluence motors fit together by the coaxial mode of machinery.
Preferably, in the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor of the present embodiment, the discharge capacity of described some synchronous diffluence motors just as.
The present embodiment working principle: high pressure oil enters synchronous diffluence motor by electro-hydraulic reversing valve 3 and one-way throttle valve, the synchronous diffluence motor group of shaft coupling type is assembled by the coaxial mode of machinery by four identical motors of discharge capacity, thereby cause the rotation of four synchronous diffluence motors, is synchronous.According to the working principle of synchronous diffluence motor, the hydraulic oil that enters working connection can be assigned in the middle of 4 synchronous diffluence motors equably, and synchronous transport is in oil hydraulic cylinder corresponding to each synchronous diffluence motor.Concrete, electromagnet b in electro-hydraulic reversing valve 3 obtains when electric, high pressure oil is delivered to each corresponding oil hydraulic cylinder after entering synchronous diffluence motor shunting by electro-hydraulic reversing valve 3, one-way throttle valve again, to reach the function (certainly, oil hydraulic cylinder epicoele and cavity of resorption oil-feed will be determined according to mechanical structure the control clamping and unclamp) of synchronous clamping; Otherwise electromagnet a obtains when electric, high pressure oil first enters oil hydraulic cylinder epicoele through another one-way throttle valve, and the oil of cavity of resorption enters synchronous diffluence motor, and under synchronous diffluence motor effect, flow rate distribution, reaches the function that hydraulic cylinder synchronous is unclamped equably.
In sum, the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor that the utility model provides, comprise the electro-hydraulic reversing valve connecting through connecting pipeline, some synchronous diffluence motors and some oil hydraulic cylinders, described synchronous diffluence motor and described oil hydraulic cylinder connect one to one, electro-hydraulic reversing valve can be transported to corresponding oil hydraulic cylinder through synchronous diffluence motor by pressure oil and clamps or unclamp action, and pressure oil can be transported to corresponding oil hydraulic motor through oil hydraulic cylinder unclamps or clamps action, can realize synchronous diffluence motor controls, can be in the situation that guaranteeing system control accuracy, reducing costs is as much as possible the maximum feature of this technical products.Mentality of designing of the present utility model is mainly to realize synchronization control with the alternative flow divider-combiner of one group of syncmotor and bridge type return, and it is compared with flow divider-combiner synchronizing control loop, and control accuracy is higher, and stability is better; It compares high less than Proportional valve to the turbidity test of hydraulic oil with hydraulic proportion valve synchronizing control loop, be convenient to safeguard, reduces the operating cost of system simultaneously.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (8)
1. a fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor, it is characterized in that, comprise the electro-hydraulic reversing valve connecting through connecting pipeline, some synchronous diffluence motors and some oil hydraulic cylinders, described synchronous diffluence motor and described oil hydraulic cylinder connect one to one, described some synchronous diffluence motors are with discharge capacity and be assembled into the synchronous diffluence motor group of shaft coupling type, electro-hydraulic reversing valve can clamp pressure oil or unclamp action to corresponding oil hydraulic cylinder through synchronous diffluence motor synchronous transport, and pressure oil synchronously can be delivered to corresponding oil hydraulic motor and unclamped or clamp action through oil hydraulic cylinder is defeated.
2. the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor according to claim 1, it is characterized in that, described electro-hydraulic reversing valve comprises valve body and is arranged at the electromagnet of valve inner, on described valve body, have main filler opening, the logical hydraulic fluid port of the first work, the logical hydraulic fluid port of the second work and main return opening, the logical hydraulic fluid port of described the first work is connected with the logical hydraulic fluid port of described the first work with after corresponding oil hydraulic cylinder through each synchronous diffluence motor respectively.
3. the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor according to claim 2, it is characterized in that, pipeline between the logical hydraulic fluid port of described the first work and synchronous diffluence motor is provided with an one-way throttle valve, and the pipeline between the logical hydraulic fluid port of described the second work and oil hydraulic cylinder is provided with another one-way throttle valve.
4. the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor according to claim 2, it is characterized in that, also comprise the total filler opening of system and the total oil outlet of system, described main filler opening is connected with the total filler opening of described system, and described main return opening is connected with the total filler opening of described system.
5. the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor according to claim 4, it is characterized in that, the connecting pipeline of described main filler opening and the total filler opening of described system is provided with ball valve, and the connecting pipeline of described main return opening and the total filler opening of described system is provided with one-way valve.
6. the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor according to claim 5, it is characterized in that, also comprise valve platform support, described synchronous diffluence motor is arranged at the bottom of described valve platform support, and described ball valve is arranged at the top of described valve platform support.
7. the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor according to claim 1, is characterized in that, is respectively equipped with a relief valve in described synchronous diffluence motor.
8. the fan-shaped section clamping hydraulic system of controlling based on hydraulic synchronous motor according to claim 1, is characterized in that, described some synchronous diffluence motors fit together by the coaxial mode of machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665300.2U CN203532372U (en) | 2013-10-25 | 2013-10-25 | Fan-shaped section clamping hydraulic system based on hydraulic synchronous motor control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665300.2U CN203532372U (en) | 2013-10-25 | 2013-10-25 | Fan-shaped section clamping hydraulic system based on hydraulic synchronous motor control |
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| Publication Number | Publication Date |
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| CN203532372U true CN203532372U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320665300.2U Expired - Fee Related CN203532372U (en) | 2013-10-25 | 2013-10-25 | Fan-shaped section clamping hydraulic system based on hydraulic synchronous motor control |
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| CN (1) | CN203532372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533864A (en) * | 2015-01-06 | 2015-04-22 | 苏州有色金属研究院有限公司 | Multi-channel hydraulic oil distribution device |
| CN106678129A (en) * | 2017-02-28 | 2017-05-17 | 重庆迪马工业有限责任公司 | Automatic extending-and-contracting control hydraulic system and control circuit for police service platform |
-
2013
- 2013-10-25 CN CN201320665300.2U patent/CN203532372U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533864A (en) * | 2015-01-06 | 2015-04-22 | 苏州有色金属研究院有限公司 | Multi-channel hydraulic oil distribution device |
| CN106678129A (en) * | 2017-02-28 | 2017-05-17 | 重庆迪马工业有限责任公司 | Automatic extending-and-contracting control hydraulic system and control circuit for police service platform |
| CN106678129B (en) * | 2017-02-28 | 2018-08-17 | 重庆迪马工业有限责任公司 | Automatic telescopic for police service platform controls hydraulic system and control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160719 Address after: 201999 Shanghai city Baoshan District Tieli Road No. 2510 Patentee after: Baosteel Engeneering &Technology Group Co., Ltd. Address before: 201999 room 1, floor 7, No. 550, Lane 105-108, G Shan Road, Shanghai, Baoshan District Patentee before: Shanghai Baofine Engineering & Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20181025 |
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| CF01 | Termination of patent right due to non-payment of annual fee |