CN203926226U - Detection check device for Numeric hydraulic cylinder - Google Patents
Detection check device for Numeric hydraulic cylinder Download PDFInfo
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- CN203926226U CN203926226U CN201420318483.5U CN201420318483U CN203926226U CN 203926226 U CN203926226 U CN 203926226U CN 201420318483 U CN201420318483 U CN 201420318483U CN 203926226 U CN203926226 U CN 203926226U
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- hydraulic cylinder
- oil
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- numeric hydraulic
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Abstract
The utility model discloses a kind of detection check device for Numeric hydraulic cylinder, the stepping of this device or actuating motor rotating shaft connect the piston rod of Numeric hydraulic cylinder the signal input part that feedback signal output terminal connects controller, stop valve, one-way valve and oil hydraulic pump are connected in series successively, the output terminal of stop valve connects the fuel feeding input end of Numeric hydraulic cylinder, the input end of oil hydraulic pump connects fuel tank, the input/output terminal connecting fluid of proportional pressure control valve is pressed the oil return output terminal of delivery side of pump and Numeric hydraulic cylinder, return pressure sensor and charge oil pressure sensor detect oil return and the charge oil pressure of Numeric hydraulic cylinder and transfer to controller, displacement transducer detects the piston rod displacement of Numeric hydraulic cylinder and transfers to controller, controller control ratio relief valve carries out oil pressure.This device can be implemented offline inspection verification to the Numeric hydraulic cylinder after maintenance, has guaranteed the repair quality of Numeric hydraulic cylinder, has improved the installation success rate of Numeric hydraulic cylinder, has guaranteed the normal operation of production scene equipment.
Description
Technical field
The utility model relates to a kind of detection check device for Numeric hydraulic cylinder.
Background technique
Numeric hydraulic cylinder refers to stepper motor or actuating motor, hydraulic efficiency slide valve, closed loop position feedback is combined in oil hydraulic cylinder inside, connect after hydraulic oil source, all functions digital pulse signal that directly controller by Numeric hydraulic cylinder sends completes the new high-tech product of length vector control, its maximum is different from the kinetic characteristic that servo hydraulic system part is Numeric hydraulic cylinder and is digitized completely, be that the frequency of pulse signal and the movement velocity of oil hydraulic cylinder are corresponding, the quantity of pulse signal is corresponding with the stroke of oil hydraulic cylinder, and this corresponding relation is by the design of digital hydraulic cylinder interior, manufacture process determines, sensor without any outside, regulator carries out parameter adjusting etc. and ensures.
At present, the Numeric hydraulic cylinder of, fast response time high for this control accuracy, be subject to the restriction of testing apparatus, precision and test capability, off-line testing without corresponding special test ability and detection check device enforcement Numeric hydraulic cylinder, therefore the Numeric hydraulic cylinder after maintenance can only directly be installed at the scene at present, by scene, use all technical of judgement Numeric hydraulic cylinder, so the repair quality of Numeric hydraulic cylinder can not be guaranteed, and the equipment that has had a strong impact on production scene is controlled.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of detection check device for Numeric hydraulic cylinder, this device can be implemented offline inspection verification to the Numeric hydraulic cylinder after maintenance, guaranteed the repair quality of Numeric hydraulic cylinder, improve the installation success rate of Numeric hydraulic cylinder, guaranteed the normal operation of production scene equipment.
For solving the problems of the technologies described above, the utility model comprises controller for the detection check device of Numeric hydraulic cylinder, Numeric hydraulic cylinder, stepper motor or actuating motor, described stepper motor or actuating motor rotating shaft connect the piston rod of described Numeric hydraulic cylinder, the feedback signal output terminal of described stepper motor or actuating motor connects the signal input part of described controller, this device also comprises fuel tank, oil hydraulic pump, proportional pressure control valve, one-way valve, stop valve, charge oil pressure sensor, return pressure sensor and displacement transducer, described stop valve, one-way valve and oil hydraulic pump are connected in series successively, the output terminal of described stop valve connects the fuel feeding input end of described Numeric hydraulic cylinder, the input end of described oil hydraulic pump connects described fuel tank, the input end of described proportional pressure control valve and output terminal are connected respectively the oil return output terminal of described hydraulic pressure delivery side of pump and Numeric hydraulic cylinder, described return pressure sensor is located on the oil return output pipe of described Numeric hydraulic cylinder, described charge oil pressure sensor is located on the fuel feeding intake line of described Numeric hydraulic cylinder, described displacement transducer is located at the piston rod of described Numeric hydraulic cylinder, described charge oil pressure sensor, the output signal of return pressure sensor and displacement transducer is connected the signal input part of described controller, the hydraulic control end of described controller connects the oil pressure adjustable side of described proportional pressure control valve.
Further, this device also comprises oil filter, and described oil filter is serially connected with between described oil hydraulic pump and fuel tank.
The detection check device that is used for Numeric hydraulic cylinder due to the utility model has adopted technique scheme, be the stepping of this device or the piston rod that actuating motor rotating shaft connects Numeric hydraulic cylinder, the feedback signal output terminal of stepping or actuating motor connects the signal input part of controller, stop valve, one-way valve and oil hydraulic pump are connected in series successively, the output terminal of stop valve connects the fuel feeding input end of Numeric hydraulic cylinder, the input end of oil hydraulic pump connects fuel tank, the input/output terminal connecting fluid of proportional pressure control valve is pressed the oil return output terminal of delivery side of pump and Numeric hydraulic cylinder, return pressure sensor is located on the oil return output pipe of Numeric hydraulic cylinder, charge oil pressure sensor is located on the fuel feeding intake line of Numeric hydraulic cylinder, displacement transducer is located at the piston rod of Numeric hydraulic cylinder, charge oil pressure sensor, the output signal of return pressure sensor and displacement transducer is connected the signal input part of controller, the hydraulic control end of controller connects the oil pressure adjustable side of proportional pressure control valve.This device can be implemented offline inspection verification to the Numeric hydraulic cylinder after maintenance, has guaranteed the repair quality of Numeric hydraulic cylinder, has improved the installation success rate of Numeric hydraulic cylinder, has guaranteed the normal operation of production scene equipment.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is that the utility model is for the schematic diagram of the detection check device of Numeric hydraulic cylinder.
Embodiment
As shown in Figure 1, the utility model comprises controller 1 for the detection check device of Numeric hydraulic cylinder, Numeric hydraulic cylinder 2, stepper motor or actuating motor 3, described stepper motor or actuating motor 3 rotating shafts connect the piston rod of described Numeric hydraulic cylinder 2, the feedback signal output terminal of described stepper motor or actuating motor 3 connects the signal input part of described controller 1, this device also comprises fuel tank 4, oil hydraulic pump 5, proportional pressure control valve 6, one-way valve 7, stop valve 8, charge oil pressure sensor 9, return pressure sensor 10 and displacement transducer 11, described stop valve 8, one-way valve 7 and oil hydraulic pump 5 are connected in series successively, the output terminal of described stop valve 8 connects the fuel feeding input end of described Numeric hydraulic cylinder 2, the input end of described oil hydraulic pump 5 connects described fuel tank 4, the input end of described proportional pressure control valve 6 is connected respectively the output terminal of described oil hydraulic pump 5 and the oil return output terminal of Numeric hydraulic cylinder 2 with output terminal, described return pressure sensor 10 is located on the oil return output pipe of described Numeric hydraulic cylinder 2, described charge oil pressure sensor 9 is located on the fuel feeding intake line of described Numeric hydraulic cylinder 2, described displacement transducer 11 is located at the piston rod of described Numeric hydraulic cylinder 2, described charge oil pressure sensor 9, return pressure sensor 10 is connected the signal input part of described controller 1 with the output signal of displacement transducer 11, the hydraulic control end of described controller 1 connects the oil pressure adjustable side of described proportional pressure control valve 6.
Further, this device also comprises oil filter 12, and described oil filter 12 is serially connected with between described oil hydraulic pump 5 and fuel tank 4.Being provided for of oil filter guarantees the turbidity test enter Numeric hydraulic cylinder hydraulic oil, avoids Numeric hydraulic cylinder to pollute.
In this device, oil hydraulic pump is tested digital hydraulic oil supply cylinder, proportional pressure control valve is for regulating system charge oil pressure, by controller, according to the specifications parameter comparative example relief valve of tested Numeric hydraulic cylinder, controlled, return pressure sensor measurement also gathers the return pressure of tested Numeric hydraulic cylinder and transfers to controller, one-way valve prevents that fluid from flowing backward to oil hydraulic pump, when stop valve prevents the tested Numeric hydraulic cylinder of dismounting, pipeline fluid flows out, charge oil pressure sensor measurement also gathers the pressure of tested Numeric hydraulic cylinder filler opening and transfers to controller, displacement sensor also gathers the piston rod displacement of tested Numeric hydraulic cylinder and transfers to controller, controller is according to charge oil pressure sensor, the signal of return pressure sensor and displacement transducer collection carries out regulating and controlling to the hydraulic system of this device, for tested Numeric hydraulic cylinder provides control signal, gather tested Numeric hydraulic cylinder special parameter, according to the feedback signal of stepper motor or actuating motor, implement the verification of tested Numeric hydraulic cylinder and carry out analysing and processing simultaneously.
After the reparation of this device solution field digital oil hydraulic cylinder, can not carry out a difficult problem for Function detection, this device can carry out the test of Numeric hydraulic cylinder parameters according to the delivery test standard in < < GB/T 24946-2010 Numeric hydraulic cylinder > peculiar to vessel >, ensured the repairing quality of Numeric hydraulic cylinder, the Numeric hydraulic cylinder that verification is passed through can guarantee to meet the making strict assessment of all technical of production line, can directly be installed to field apparatus and use.Improve the installation success rate of Numeric hydraulic cylinder, guaranteed the normal operation of production scene equipment.
Claims (2)
1. the detection check device for Numeric hydraulic cylinder, comprise controller, Numeric hydraulic cylinder, stepper motor or actuating motor, described stepper motor or actuating motor rotating shaft connect the piston rod of described Numeric hydraulic cylinder, the feedback signal output terminal of described stepper motor or actuating motor connects the signal input part of described controller, it is characterized in that: also comprise fuel tank, oil hydraulic pump, proportional pressure control valve, one-way valve, stop valve, charge oil pressure sensor, return pressure sensor and displacement transducer, described stop valve, one-way valve and oil hydraulic pump are connected in series successively, the output terminal of described stop valve connects the fuel feeding input end of described Numeric hydraulic cylinder, the input end of described oil hydraulic pump connects described fuel tank, the input end of described proportional pressure control valve and output terminal are connected respectively the oil return output terminal of described hydraulic pressure delivery side of pump and Numeric hydraulic cylinder, described return pressure sensor is located on the oil return output pipe of described Numeric hydraulic cylinder, described charge oil pressure sensor is located on the fuel feeding intake line of described Numeric hydraulic cylinder, described displacement transducer is located at the piston rod of described Numeric hydraulic cylinder, described charge oil pressure sensor, the output signal of return pressure sensor and displacement transducer is connected the signal input part of described controller, the hydraulic control end of described controller connects the oil pressure adjustable side of described proportional pressure control valve.
2. the detection check device for Numeric hydraulic cylinder according to claim 1, is characterized in that: this device also comprises oil filter, and described oil filter is serially connected with between described oil hydraulic pump and fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318483.5U CN203926226U (en) | 2014-06-16 | 2014-06-16 | Detection check device for Numeric hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318483.5U CN203926226U (en) | 2014-06-16 | 2014-06-16 | Detection check device for Numeric hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926226U true CN203926226U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420318483.5U Expired - Fee Related CN203926226U (en) | 2014-06-16 | 2014-06-16 | Detection check device for Numeric hydraulic cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN203926226U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286199A (en) * | 2015-06-11 | 2017-01-04 | 哈尔滨飞机工业集团有限责任公司 | A kind of hydraulic pressure voltage supply equipment |
| CN108286542A (en) * | 2017-11-28 | 2018-07-17 | 徐州徐工基础工程机械有限公司 | A kind of hydraulic buttery valve card valve fault monitoring device |
| CN110905869A (en) * | 2019-12-16 | 2020-03-24 | 广东志成电液科技有限公司 | Bus type electro-hydraulic cylinder with self-positioning function and control method thereof |
| CN114060330A (en) * | 2021-11-15 | 2022-02-18 | 中铁工程装备集团有限公司 | Hydraulic propelling device and hydraulic propelling system of shield tunneling machine |
-
2014
- 2014-06-16 CN CN201420318483.5U patent/CN203926226U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286199A (en) * | 2015-06-11 | 2017-01-04 | 哈尔滨飞机工业集团有限责任公司 | A kind of hydraulic pressure voltage supply equipment |
| CN108286542A (en) * | 2017-11-28 | 2018-07-17 | 徐州徐工基础工程机械有限公司 | A kind of hydraulic buttery valve card valve fault monitoring device |
| CN108286542B (en) * | 2017-11-28 | 2019-11-12 | 徐州徐工基础工程机械有限公司 | A kind of hydraulic buttery valve card valve fault monitoring device |
| CN110905869A (en) * | 2019-12-16 | 2020-03-24 | 广东志成电液科技有限公司 | Bus type electro-hydraulic cylinder with self-positioning function and control method thereof |
| CN114060330A (en) * | 2021-11-15 | 2022-02-18 | 中铁工程装备集团有限公司 | Hydraulic propelling device and hydraulic propelling system of shield tunneling machine |
| CN114060330B (en) * | 2021-11-15 | 2024-04-30 | 中铁工程装备集团有限公司 | Hydraulic propulsion device and hydraulic propulsion system of shield tunneling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160616 |