CN201354782Y - Hydraulic cylinder device and hydraulic cylinder action control system with same - Google Patents
Hydraulic cylinder device and hydraulic cylinder action control system with same Download PDFInfo
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- CN201354782Y CN201354782Y CNU2008201812514U CN200820181251U CN201354782Y CN 201354782 Y CN201354782 Y CN 201354782Y CN U2008201812514 U CNU2008201812514 U CN U2008201812514U CN 200820181251 U CN200820181251 U CN 200820181251U CN 201354782 Y CN201354782 Y CN 201354782Y
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- 239000003921 oil Substances 0.000 description 48
- 230000001133 acceleration Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
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Abstract
The utility model relates to a hydraulic cylinder device and a hydraulic cylinder action control system with same. The hydraulic cylinder device comprises a cylinder body, a piston moving in the cylinder body and a piston rod, wherein one end of the piston rod is connected with the piston and the other end thereof extends out of the cylinder body. The wall of the cylinder body is provided with a plurality of signal through holes which are vertically arrayed along the cylinder body and divide the stroke of the piston into a plurality of stroke segments. The hydraulic cylinder also comprises a plurality of pressure sensors corresponding to the signal through holes one by one. Compared with the prior art, the utility model can conveniently satisfy the real-time monitoring of preset segment positions of the whole piston stroke, has the advantages of low cost, good universality and strong interference resistibility and brings the powerful data processing computation of an intelligent controller into full play.
Description
Technical field
The utility model relates to a kind of hydraulic cylinder device and has the oil hydraulic cylinder behavior control system of this hydraulic cylinder device, especially with by pressure data in a plurality of pressure transducer real-time collecting cylinder bodies and the movement position by controller real-time operation monitoring oil cylinder, and the hydraulic jack that can control the motor behavior of oil cylinder in the plurality of sections of total travel.
Background technique
In general, in machinery such as mixed earth pumping, the effect of master cylinder motor behavior control is directly determining the various performances of its foreign work and self-operating.
In the present relevant industries, the control to the motor behavior of master cylinder only limits to control the commutation of its action, and mode mainly contains: use the electricity commutation near switch or position limit switch control; All-hydraulic commutation with hydrovalve control; Electricity commutation with differential pressure switch (differential pressure pickup) control.
Near switch (or position limit switch) control commutation is to utilize the stroke that detects the oil cylinder piston bar near switch (or position limit switch) single-point, to be installed in the position that oil cylinder stroke is ended near switch (or position limit switch), connect near switch (or position limit switch), provide an electrical signal, automatical control system comes the commutation of control piston according to this electrical signal.Owing to must detect the position of piston rod near switch (or position limit switch), so be contained in the water tank, be contained on the cylinder block, be contained in the water tank, and can hinder certain operations (also very easy breaking) in water tank higher near switch (or position limit switch) security level.If be contained on the oil cylinder, must on cylinder body, open the bigger hole of a diameter, increased the manufacture difficulty of oil cylinder, also can influence the sealability and the life-span of oil cylinder simultaneously.
Hydrovalve control commutation is that the relevant position is opened an aperture and drawn hydraulic oil on cylinder block, opens control valve by the pressure reduction of 2 of oil cylinders, export the pressure signal that commutates.Its shortcoming: to hydraulic oil flow have requirement and can't with the automatical control system interface.
Differential pressure switch (differential pressure pickup) control commutation also is that the relevant position is opened an aperture and drawn hydraulic oil on cylinder block, exports a commutation electrical signal by the pressure reduction of 2 of oil cylinders.Its shortcoming: also existing bigger pipeline liquid to hold (must have at least one with oil pipe fluid is guided into differential pressure switch) influences the frequency response ability.
Above-mentioned all controlling methods, all only be speed commutation control, all exist and to detect and then to control again speed and the acceleration of the piston of master cylinder to the running position segmentation of main oil cylinder piston in real time, also be unfavorable for giving full play to the powerful data processing operation ability of current intelligent controller and coordinate control ability at each travel settings section motor behavior.
The model utility content
In view of the above-mentioned problems in the prior art, a purpose of the present utility model provides a kind of oil hydraulic cylinder, it can detect in real time to the running position segmentation of oil cylinder piston, with the piston of control master cylinder at the speed and the acceleration of each travel settings section motor behavior.
Another purpose of the present utility model provides a kind of pumps hydraulic system with oil hydraulic cylinder of the present utility model.
For solving above-mentioned purpose of the present utility model, the utility model provides a kind of hydraulic cylinder device, comprise that cylinder body, the piston that moves and an end are connected the other end and stretch out piston rod outside the described cylinder body with this piston in described cylinder body, the casing wall of described cylinder body is formed with along vertical arrangement of described cylinder body piston stroke is divided into a plurality of signal via of a plurality of trip segment, and described oil hydraulic cylinder also comprises a plurality of pressure transducers with the corresponding one by one setting of described a plurality of signal via.
Preferably, described a plurality of pressure transducer is arranged on correspondingly in described a plurality of signal via and with described signal via and seals.
Preferably, described a plurality of pressure transducer is arranged on correspondingly in described a plurality of signal via and with described signal via and seals.
Preferably, described a plurality of pressure transducer is communicated in described a plurality of signal via also respectively with each described line seal correspondingly by a pipeline respectively.
Preferably, described a plurality of signal via is arranged to straight line.
Preferably, the quantity of described pressure transducer is identical with the quantity of described signal via, and described hydraulic cylinder device comprises 2,3,4,5,6,7,8,9 or 10 pressure transducers.
Preferably, described hydraulic cylinder device comprises 6 signal via, and described 6 signal via form described piston stroke and are divided into first piston commutation trip segment, piston rapid movement trip segment, the normal fast movement travel section of piston, piston retarded motion trip segment and the second piston throw-over trip segment that is arranged in order.
For realizing above-mentioned purpose of the present utility model, the utility model also provides a kind of oil hydraulic cylinder behavior control system, and described oil hydraulic cylinder behavior control system comprises the intelligent controller of the electrical signal of hydraulic cylinder device of the present utility model, the described a plurality of pressure transducers of reception, controlled and driven the piston driver of described piston motion by described intelligent controller.
Preferably, described piston driver comprises that by engine-driven master variable oil pump and solenoid valve described solenoid valve is communicated with to form oil circuit with the oil inlet and outlet and the described master variable oil pump of described hydraulic cylinder device.
Preferably, described master variable oil pump comprises that one is electrically connected with described intelligent controller and the proportion electro-magnet of the described master variable oil pump output of may command discharge capacity.
Preferably, described oil hydraulic cylinder behavior control system also comprises with control panel.
Compared with prior art, the beneficial effects of the utility model are: piston when different oil cylinder stroke sections in the cylinder block pressure transducer of diverse location point collect the pressure signal group different features arranged, it can reflect the real-time travel position section of piston well, pressure transducer collection signal is accurate in addition, reliably, can satisfy the real-time monitoring that the piston total travel presets limited fragment position easily, have at the bottom of the cost, versatility is good, antijamming capability is strong, be beneficial to the powerful data processing operation ability of giving full play to current intelligent controller and coordinate control ability, be beneficial to the simplification hydraulic system, optimize advantages such as complete machine performance.
Description of drawings
Fig. 1 is the cross-sectional schematic of the utility model hydraulic cylinder device first preferred embodiment.
Fig. 2 is the cross-sectional schematic of the utility model hydraulic cylinder device second preferred embodiment.
Fig. 3 discloses the preferred embodiment of the utility model oil hydraulic cylinder behavior control system.
Fig. 4 discloses a kind of according to the piston stroke position of the utility model preferred embodiment and the plotted curve of velocity of piston.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model provides a kind of hydraulic cylinder device 100, comprises cylinder body 1, the piston 2 of motion in cylinder body 1 and an end be connected the other end and stretch out piston rod 3 outside the cylinder body 1 with piston 2.For the accurately commutation of travelling speed, acceleration of motion and the piston 2 of control piston 2, can be formed with at the casing wall of cylinder body 1 along vertical arrangement of cylinder body 1 piston stroke is divided into a plurality of signal via of a plurality of trip segment, hydraulic cylinder device 100 of the present utility model also comprises a plurality of pressure transducers with the corresponding one by one setting of a plurality of signal via simultaneously.
Fig. 1 is the cross-sectional schematic of the utility model hydraulic cylinder device first preferred embodiment.
As shown in Figure 1, hydraulic cylinder device 100 according to the utility model first preferred embodiment comprises: cylinder body 1, cylinder body 1 is formed with first and imports and exports 17 and second oil inlet and outlet 18, is formed with along 1 cylinder body at the casing wall of cylinder body 1 and vertically arranges 6 signal via 11,12,13,14,15 and 16 that piston stroke are divided into 5 trip segment; Piston 2, piston 2 does reciprocating linear motion in cylinder body 1; Piston rod 3, an end of piston rod 3 are connected the other end and stretch out that cylinder body 1 is outer to be used for being connected with other parts with piston 2; 6 pressure transducers 41,42,43,44,45,46 are arranged in 6 signal via 11,12,13,14,15 and 16 correspondingly, and each signal via sealing.
As shown in Figure 1,6 signal via 11,12,13,14,15 and 16 vertically are arranged to straight line along cylinder body 1.
With reference to shown in Figure 1,6 signal via 11,12,13,14,15 and 16 form the piston stroke of piston 2 in cylinder body 1 and are divided into first piston commutation trip segment, piston rapid movement trip segment, the normal fast movement travel section of piston, piston retarded motion trip segment and the second piston throw-over trip segment that is arranged in order.Wherein, first piston commutation trip segment is arranged between the inner side surface of pressure signal through hole 12 and cylinder body 1 left end (being left-hand side one end of Fig. 1), and piston 2 commutates in first piston commutation trip segment; Piston rapid movement trip segment is between pressure transducer 12 and pressure transducer 13, and piston 2 carries out rapid movement in piston rapid movement trip segment; The normal fast movement travel section of piston is positioned between pressure transducer 13 and the pressure transducer 14, and piston 2 carries out the motion of normal speed in the normal fast movement travel section of piston; Piston retarded motion trip segment is between pressure transducer 14 and pressure transducer 15, and piston 2 is in the retarded motion of piston retarded motion trip segment; The second piston throw-over trip segment is arranged between the inner side surface of pressure transducer 15 and cylinder body 1 right-hand member (being right-hand side one end of Fig. 1), and piston 2 carries out the commutation second time in the second piston throw-over trip segment.
Though cylinder body 1 is provided with 6 pressure transducers and 6 signal via as shown in Figure 1, but the quantity of pressure transducer and signal via is not as limit in the utility model, but can adjust according to the actual needs, for example, the quantity of pressure transducer is identical with the quantity of signal via, and can form 2,3,4,5,7,8,9 or 10 signal via on cylinder body 1, and correspondence is provided with 2,3,4,5,7,8,9 or 10 pressure transducers.
By a plurality of pressure transducers are being set, can accurately monitor the real time kinematics position of piston 2, be accurately movement velocity, acceleration of motion and the commutation of the control piston condition that facilitates.
Fig. 2 is the cross-sectional schematic of the utility model hydraulic cylinder device second preferred embodiment.
As shown in Figure 2, difference between the utility model second preferred embodiment and first preferred embodiment is, in hydraulic cylinder device 100,6 pressure transducers 41,42,43,44,45,46 is not to be to be arranged on 6 signal via 11 correspondingly, 12,13,14, in 15 and 16, but respectively by a corresponding pipeline 41 ', 42 ', 43 ', 44 ', 45 ' and 46 ' and 6 signal via 11,12,13,14,15 and 16 are communicated with correspondingly, and 6 pressure transducers 41,42,43,44,45,46 respectively with 6 pipelines 41 ', 42 ', 43 ', 44 ', 45 ' and 46 ' sealing.
Fig. 3 discloses the preferred embodiment of the utility model oil hydraulic cylinder behavior control system.
As shown in Figure 3, the oil hydraulic cylinder behavior control system according to the utility model preferred embodiment comprises hydraulic cylinder device 100, intelligent controller 200, control panel 300 and piston driver 400.
Piston driver 400 can be electrically connected with intelligent controller 200 to be subjected to intelligent controller 200 controls by wireless or wired mode.
Piston driver 400 can be any drive unit in the art, as long as can realize the activity according to the control signal control piston of intelligent controller 200.According to preferred embodiment of the present utility model, as shown in Figure 3, piston driver 400 preferably includes by motor 410, by master variable oil pump 420 and a solenoid valve 430 that motor 410 drives, and solenoid valve 430 is communicated with to form a complete oil circuit with the oil inlet and outlet and the master variable oil pump 420 of hydraulic cylinder device 100.
According to preferred embodiment, master variable oil pump 420 comprises that one is electrically connected with intelligent controller 200 and the proportion electro-magnet 421 of may command master variable oil pump 420 output discharge capacities.The structure of master variable oil pump 420 and proportion electro-magnet 421 is known by those skilled in the art, is not given unnecessary details at this.
For the ease of controlling oil hydraulic cylinder behavior control system of the present utility model, can also be provided with the control panel 440 that is used to import various instructions in oil hydraulic cylinder behavior control system.
Fig. 4 discloses a kind of according to the piston stroke position of the utility model preferred embodiment and the plotted curve of velocity of piston.
Hereinafter will simply describe the working procedure of the utility model hydraulic cylinder device and oil hydraulic cylinder behavior control system with reference to figure 1-Fig. 4.
Suppose in hydraulic cylinder device 100, having 6 signal via 11,12,13,14,15 and 16 on the cylinder body 1 and in the length of piston motion total travel, the position of signal via 11 on cylinder body 1 is a, the position of signal via 12 on cylinder body 1 is b, the position of signal via 13 on cylinder body 1 is c, the position of signal via 14 on cylinder body 1 is d, the position of signal via 15 on cylinder body 1 is e, the position of signal via 16 on cylinder body 1 is f, is provided with pressure transducer in each signal via.The setting of each pressure transducer divides 5 sections the whole stroke of cylinder piston motion: first piston commutation trip segment a-b, piston rapid movement trip segment b-c, the normal fast movement travel section c-d of piston, piston retarded motion trip segment d-e and the second piston throw-over trip segment e-f.Piston 2 all can have intelligent controller 200 to control at the motor behavior of each trip segment.
According to said structure, in order to obtain the motor behavior of satisfactory piston 2, piston rod 3, on the cylinder body 1 of hydraulic cylinder device 100, the corresponding correct position point that piston 2 kinematic parameters need change is (as a in the total travel scope; B; C; D; E; F) several pressure transducers are set, all pressure transducers are all concentrated with the intelligent controller 200 of band microprocessor and are electrically connected, intelligent controller 200 is got in touch with the master variable oil pump 420 of hydraulic system again, in real time the discharge capacity of master variable oil pump 420 is controlled by the proportion electro-magnet 421 that the discharge capacity of master variable oil pump 420 is controlled.
When piston 2 runs to different trip segment (as a-b; B-c; C-d; D-e; E-f), the detected state value of its each pressure transducer is different, that is to say, detected one group of different pressure transducer state signal, and corresponding moving piston 2 is positioned the position of trip segment different in the cylinder body 1 immediately.
Calculation process in the pressure state set of signals that microprocessor is responsible for each pressure transducer is collected in the intelligent controller 200, obtain piston 2, after the real-time position information of piston rod 3 motions, immediately export the control signal of the proportion electro-magnet 421 of master variable oil pump 420 by the logic program of setting, the control signal of this proportion electro-magnet 421 is input proportion electro-magnet 421 after driving amplification, proportion electro-magnet 421 promotes the swash plate motion of master variable oil pump 420, thereby the output discharge capacity of control master variable oil pump 420 is to reach control piston 2, the movement velocity of piston rod 3, the size of acceleration.
After the concentrated calculation process of the pressure state signal that each pressure transducer collects microprocessor in intelligent controller 200, by the program that presets in the intelligent controller 200, as satisfy the motion commutation condition of piston 2, piston rod 3, then intelligent controller 200 will coordinate to control the discharge capacity that reduces master variable oil pump 420, the movement velocity of slowing down piston 2, piston rod 3 on the one hand by the program of presetting, and sends the electromagnet commutation signal of the solenoid valve 430 of controlled hydraulic system commutation on the other hand in good time.
Press the discharge capacity of the program control output master variable pump 420 in the intelligent controller 200, with regard to the controlled kinematic parameter of piston 2 that makes (as size, the direction of speed; The size of acceleration, direction), obtain desirable piston 2 in each trip segment (as a-b; B-c; C-d; D-e; E-f) motor behavior.Referring to Fig. 4, that is to say, as long as import intelligent controller 200 at the pre-set logic program of the characteristics of the motor behavior of each trip segment, just can obtain satisfied master cylinder motor behavior by desirable hydraulic cylinder device 100.
Above-described only is preferable possible embodiments of the present utility model; described embodiment is not in order to limit scope of patent protection of the present utility model; therefore the equivalent structure done of every utilization specification of the present utility model and accompanying drawing content changes, and in like manner all should be included in the protection domain of the present utility model.
Claims (10)
1. hydraulic cylinder device, comprise that cylinder body, the piston that moves and an end are connected the other end and stretch out piston rod outside the described cylinder body with this piston in described cylinder body, it is characterized in that, the casing wall of described cylinder body is formed with along vertical arrangement of described cylinder body piston stroke is divided into a plurality of signal via of a plurality of trip segment, and described oil hydraulic cylinder also comprises a plurality of pressure transducers with the corresponding one by one setting of described a plurality of signal via.
2. hydraulic cylinder device as claimed in claim 1 is characterized in that, described a plurality of pressure transducers are arranged on correspondingly in described a plurality of signal via and with described signal via and seal.
3. hydraulic cylinder device as claimed in claim 1 is characterized in that, described a plurality of pressure transducers are communicated in described a plurality of signal via correspondingly by a pipeline respectively, and respectively with each described line seal.
4. hydraulic cylinder device as claimed in claim 1 is characterized in that, described a plurality of signal via are arranged to straight line.
5. hydraulic cylinder device as claimed in claim 1 is characterized in that, the quantity of described pressure transducer is identical with the quantity of described signal via, and described hydraulic cylinder device comprises 2,3,4,5,6,7,8,9 or 10 pressure transducers.
6. hydraulic cylinder device as claimed in claim 1, it is characterized in that, described hydraulic cylinder device comprises 6 signal via, and described 6 signal via form described piston stroke and are divided into first piston commutation trip segment, piston rapid movement trip segment, the normal fast movement travel section of piston, piston retarded motion trip segment and the second piston throw-over trip segment that is arranged in order.
7. oil hydraulic cylinder behavior control system, it is characterized in that described oil hydraulic cylinder behavior control system comprises the intelligent controller of the electrical signal of each described hydraulic cylinder device of claim 1-6, the described a plurality of pressure transducers of reception, controlled and driven the piston driver of described piston motion by described intelligent controller.
8. oil hydraulic cylinder behavior control system as claimed in claim 7, it is characterized in that, described piston driver comprises that by engine-driven master variable oil pump and solenoid valve described solenoid valve is communicated with to form oil circuit with the oil inlet and outlet and the described master variable oil pump of described hydraulic cylinder device.
9. oil hydraulic cylinder behavior control system as claimed in claim 8 is characterized in that, described master variable oil pump comprises that one is electrically connected with described intelligent controller and the proportion electro-magnet of the described master variable oil pump output of may command discharge capacity.
10. oil hydraulic cylinder behavior control system as claimed in claim 7 is characterized in that, described oil hydraulic cylinder behavior control system also comprises control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201812514U CN201354782Y (en) | 2008-12-18 | 2008-12-18 | Hydraulic cylinder device and hydraulic cylinder action control system with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201812514U CN201354782Y (en) | 2008-12-18 | 2008-12-18 | Hydraulic cylinder device and hydraulic cylinder action control system with same |
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| CN201354782Y true CN201354782Y (en) | 2009-12-02 |
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| CNU2008201812514U Expired - Fee Related CN201354782Y (en) | 2008-12-18 | 2008-12-18 | Hydraulic cylinder device and hydraulic cylinder action control system with same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883581A (en) * | 2014-03-25 | 2014-06-25 | 庄筱凤 | Integrated self-locking intelligent informationized hydraulic cylinder device |
| CN105479684A (en) * | 2014-09-18 | 2016-04-13 | 柳道万和(苏州)热流道系统有限公司 | Signal oil cylinder for hot runner system |
| CN107532779A (en) * | 2015-02-19 | 2018-01-02 | 西港能源有限公司 | For the operation for the cryogenic pump for controlling heat exchangers temperature |
| CN107859670A (en) * | 2017-10-27 | 2018-03-30 | 温州米田机电科技有限公司 | A kind of proximity switch of oil cylinder |
| CN109958670A (en) * | 2019-03-18 | 2019-07-02 | 科大方诚(杭州)智能科技有限公司 | A kind of novel servo oil cylinder |
| CN111637113A (en) * | 2020-06-04 | 2020-09-08 | 中国铝业股份有限公司 | Cylinder and piston position detection device thereof |
| CN112124013A (en) * | 2020-08-25 | 2020-12-25 | 江苏理工学院 | Intelligent tire testing system and testing method based on piezoelectric power generation material |
-
2008
- 2008-12-18 CN CNU2008201812514U patent/CN201354782Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883581A (en) * | 2014-03-25 | 2014-06-25 | 庄筱凤 | Integrated self-locking intelligent informationized hydraulic cylinder device |
| CN105479684A (en) * | 2014-09-18 | 2016-04-13 | 柳道万和(苏州)热流道系统有限公司 | Signal oil cylinder for hot runner system |
| CN107532779A (en) * | 2015-02-19 | 2018-01-02 | 西港能源有限公司 | For the operation for the cryogenic pump for controlling heat exchangers temperature |
| CN107532779B (en) * | 2015-02-19 | 2019-08-27 | 西港能源有限公司 | For controlling the operation of the cryogenic pump of heat exchangers temperature |
| US10550831B2 (en) | 2015-02-19 | 2020-02-04 | Westport Power Inc. | Cryogenic pump operation for controlling heat exchanger discharge temperature |
| CN107859670A (en) * | 2017-10-27 | 2018-03-30 | 温州米田机电科技有限公司 | A kind of proximity switch of oil cylinder |
| CN107859670B (en) * | 2017-10-27 | 2019-08-13 | 温州米田机电科技有限公司 | A kind of oil cylinder close to switch |
| CN109958670A (en) * | 2019-03-18 | 2019-07-02 | 科大方诚(杭州)智能科技有限公司 | A kind of novel servo oil cylinder |
| CN111637113A (en) * | 2020-06-04 | 2020-09-08 | 中国铝业股份有限公司 | Cylinder and piston position detection device thereof |
| CN112124013A (en) * | 2020-08-25 | 2020-12-25 | 江苏理工学院 | Intelligent tire testing system and testing method based on piezoelectric power generation material |
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