CN202851518U - Digital display hydraulic cylinder - Google Patents
Digital display hydraulic cylinder Download PDFInfo
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- CN202851518U CN202851518U CN 201220181272 CN201220181272U CN202851518U CN 202851518 U CN202851518 U CN 202851518U CN 201220181272 CN201220181272 CN 201220181272 CN 201220181272 U CN201220181272 U CN 201220181272U CN 202851518 U CN202851518 U CN 202851518U
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Abstract
A digital display hydraulic cylinder equipped with a liquid crystal display apparatus is disclosed, and the digital display hydraulic cylinder comprises a hydraulic cylinder assembly, an inlet pressure transducer connecting head, an outlet pressure transducer connecting head, and a liquid crystal display apparatus. The digital display hydraulic cylinder is characterized in that fault points of the hydraulic cylinder can be determined without dismounting the hydraulic cylinder body, the fault points of the hydraulic cylinder can be determined through readings displayed on the liquid crystal display apparatus of the hydraulic cylinder and relevant parameters of the hydraulic system, the daily work state of the hydraulic system can be monitored in a real time manner through the readings on the liquid crystal display apparatus, operation safety of the system can be ensured, and the digital display hydraulic cylinder can be used conveniently.
Description
Technical field
The utility model relates to a kind of oil hydraulic cylinder, particularly a kind of digital display oil hydraulic cylinder with liquid crystal disply device.
Background technique
At present, the rate of fault of hydraulic system is higher, and except the problems such as the cleaning of hydraulic oil, bubble, oil temperature, topmost problem is exactly the leakage of hydraulic oil.Generally have two kinds of situations can cause the leakage of hydraulic oil, a kind of is hydraulic system owing to the reasons such as poorly sealed close or seal arrangement is aging cause hydraulic oil to leak, this outside relatively good judgement of problem of revealing; What be difficult to judge most is internal leakage, and when hydraulic system pressure did not increase and don't have outside leakage of oil, most of reason was exactly to let out in the hydraulic system element.
Under normal conditions, it is the method for fixing a breakdown that the technician detects the method for letting out in the hydraulic system, according to ambient pressure table failure judgement source, then removes one by one the element of suspecting and comes troubleshooting when checking element.Most of hydraulic system is installed compact, and dismounting is all inconvenient, particularly the large hydraulic cylinder.When oil hydraulic cylinder defect occurs and can't judge, will spend a large amount of manpower and materials and come the dismounting troubleshooting.
The model utility content
In order to overcome the deficiency of existing hydraulic cylinder device, the utility model provides a kind of digital display oil hydraulic cylinder with liquid crystal disply device, this digital display oil hydraulic cylinder can be by not removing cylinder body, but the reading that shows by its liquid crystal disply device and the fault point of judging oil hydraulic cylinder in conjunction with the relevant parameter of hydraulic system, and can be by the routine work state of the reading Real Time Monitoring hydraulic system on the liquid crystal display, the security of operation of safeguards system, easy to use.
For solving the problems of the technologies described above, the utility model is realized as follows: a kind of digital display oil hydraulic cylinder with liquid crystal disply device comprises: hydraulic pressure cylinder assembly, inlet pressure transducer joint, outlet pressure sensor joint and liquid crystal disply device.
Described inlet pressure transducer joint comprises: special joint body, FERRULETYPE pressed joint and pressure detecting module, described inlet pressure transducer jiont treatment is at the filler opening position of described hydraulic pressure cylinder assembly.Described special joint body lower end is connected with the filler opening tapered thread of described hydraulic pressure cylinder assembly, hollow in the middle of the described special joint body, described special joint body upper end is connected with oil inlet pipe, described FERRULETYPE pressed joint is connected with described special joint body upper end, and compression oil inlet pipe, the intermediate portion, side of described special joint body has a hydraulic fluid port, and the pressure end of probe of described pressure detecting module is by welding or the screw mouth Placement is fixedly mounted on the special joint body side surface and described hydraulic fluid port is tightly connected.
The structure of described outlet pressure sensor joint and principle are identical with described inlet pressure transducer joint, and described outlet pressure sensor jiont treatment is at the oil outlet position of described hydraulic pressure cylinder assembly.
Described liquid crystal disply device comprises liquid crystal display panel and PLC integrated digital circuit, described liquid crystal disply device is fixedly mounted on the hydraulic pressure cylinder assembly, described PLC integrated digital circuit and described liquid crystal display panel are integrated and connected, described PLC integrated digital circuit is electrically connected with the datawire of the pressure detecting module of described outlet pressure sensor joint and inlet pressure transducer joint respectively, and carry out reception and the A/D conversion treatment of data by described PLC integrated digital circuit, then be sent to the LCD screen display.Described PLC integrated digital circuit is provided with the RS233 serial ports, can utilize bus mode to connect this serial ports and finish remote real-time monitoring.
But described liquid crystal disply device adopts the lithium battery power supply of recharge.Described lithium cell also is electrically connected with the power line of the pressure detecting module of described outlet pressure sensor joint and inlet pressure transducer joint respectively, is the power supply of pressure detecting module.
Described liquid crystal display panel can show four groups of data, is respectively: design pressure, normal operation system pressure maximum, inlet pressure, outlet pressure.
Good effect of the present utility model is: use of the present utility model, can not only judge rapidly the oil hydraulic cylinder source of trouble, reduce maintenance cost, and can monitor constantly by the pressure data on the liquid crystal display routine work state of hydraulic system, the security of operation of safeguards system.
Description of drawings
Fig. 1 is design principle figure of the present utility model
Fig. 2 is the structural drawing of inlet pressure transducer joint of the present utility model
Fig. 3 is outside oil supplying device figure of the present utility model
101. hydraulic pressure cylinder assemblies among the figure, 102. outlet pressure sensor joints, 103. inlet pressure transducer joints, 104. power line, 105, liquid crystal display panel, 106, the PLC integrated digital circuit, 107, cylinder body lower bottom base, 108. datawires, 109. liquid crystal disply devices, 201. filler opening, 202. oil inlet pipes, 203. FERRULETYPE pressed joints, 204. the pressure detecting module, 205. hydraulic fluid ports, 301. pressure gauges, 302. oil pump, 303. oil outlet tubes.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The digital display oil hydraulic cylinder of a kind of band liquid crystal disply device (109) comprising: hydraulic pressure cylinder assembly (101), inlet pressure transducer joint (103), outlet pressure sensor joint (102) and liquid crystal disply device (109).
Described inlet pressure transducer joint (103) comprising: special joint body (206), FERRULETYPE pressed joint (203) and pressure detecting module (204), described inlet pressure transducer joint (103) are installed in filler opening (201) position of described hydraulic pressure cylinder assembly (101).Described special joint body (206) lower end is connected with filler opening (201) tapered thread of described hydraulic pressure cylinder assembly (101), hollow in the middle of the described special joint body (206), described special joint body (206) upper end is connected with oil inlet pipe (202), described FERRULETYPE pressed joint (203) is connected with described special joint body (206) upper end, and compression oil inlet pipe (202), the intermediate portion, side of described special joint body (206) has a hydraulic fluid port (205), and the pressure end of probe of described pressure detecting module (204) is by welding or the screw mouth Placement is fixedly mounted on special joint body (206) side and described hydraulic fluid port (205) is tightly connected.
The structure of described outlet pressure sensor joint (102) and principle are identical with described inlet pressure transducer joint (103), and described outlet pressure sensor joint (102) is installed in the oil outlet (not shown) position of described hydraulic pressure cylinder assembly (101).
Described liquid crystal disply device (109) comprises liquid crystal display panel (105) and PLC integrated digital circuit (106), described liquid crystal disply device (109) is fixedly mounted on the hydraulic pressure cylinder assembly (101), described PLC integrated digital circuit (106) is integrated and connected with described liquid crystal display panel (105), described PLC integrated digital circuit (106) is electrically connected with the datawire (108) of the pressure detecting module of described outlet pressure sensor joint (102) and inlet pressure transducer joint (103) respectively, and carry out reception and the A/D conversion treatment of data by described PLC integrated digital circuit (106), be sent to then that liquid crystal display panel (105) is upper to be shown.Described PLC integrated digital circuit (106) is provided with the RS233 serial ports, can utilize bus mode to connect this serial ports and finish remote real-time monitoring.
Described liquid crystal disply device (109) but adopt the lithium battery power supply of recharge.Described lithium cell also is electrically connected with the power line (104) of the pressure detecting module of described outlet pressure sensor joint (102) and inlet pressure transducer joint (103) respectively, is pressure detecting module (204) power supply.
Described liquid crystal display panel (105) can show four groups of data, is respectively: design pressure, normal operation system pressure maximum, inlet pressure, outlet pressure.
Such as Fig. 1 and shown in Figure 3, when this oil hydraulic cylinder dispatched from the factory, design pressure was just fixing, and system works pressure can not surpass design pressure in whole hydraulic system, otherwise hydraulic cylinder works is undesired.Cylinder body lower bottom base (107) is connected with fixed position, and after the initial Installation and Debugging of hydraulic system were finished, filler opening (201) pressure reached designing requirement, and the hydraulic system power unit is working properly, and the system's pressure maximum that works this moment just is fixed up.
Under whole hydraulic system normal working, the inlet pressure value equates with oil pump (302) delivery gauge (301) reading, (hydraulic system generally all will be installed at the oil outlet position of oil pump the mechanical type pressure gauge) but all become large along with the increase of load, until reach normal operation system pressure maximum, but these two values are always less than design pressure, and the outlet pressure value is 0 when adding loaded work piece.
When whole hydraulic work system is undesired, load under the normal conditions in load, the piston (not shown) can not be worked, identical with oil pump (302) delivery gauge (301) reading and be 0 less than normal operation system's pressure maximum and outlet pressure all when the inlet pressure value, in this case, may be exactly to let out in the hydraulic pressure cylinder assembly (101), also may be that non-hydraulic pressure cylinder assembly (101) reason causes.Only need this moment the oil inlet pipe (201) on the hydraulic pressure cylinder assembly (101) and oil outlet tube (303) are blocked, the oil pump normal operation, if the reading that pressure gauge (301) shows reaches design pressure, then can be judged as hydraulic cylinder interior leakage, if pressure gauge (301) reading less than system design temperature, then can be judged as non-hydraulic pressure cylinder assembly (101) fault.
In the working procedure, when the piston (not shown) is done slight to-and-fro motion, if it is identical with pressure gauge (301) reading to observe the inlet pressure value this moment, and all more than or equal to system design temperature, this moment, outlet pressure was 0, then can be judged as working pressure and surpass system design temperature, load is excessive, hydraulic pressure cylinder assembly (101) expands owing to the pressure of hydraulic oil is excessive, so that the slit occurs between piston (not shown) and the cylinder body, lets out in the generation.
When system's bringing onto load operation, discovery actuator can not work, pressure can not come up all the time, can't reach normal operation system pressure maximum, this moment can be just with contrast pressure gauge (301) reading and inlet pressure value, if pressure gauge (301) reading equals system design temperature and be 0 o'clock greater than inlet pressure and outlet pressure, then can judge non-hydraulic pressure cylinder assembly (101) fault, system leaks.
Above-described only is preferred embodiment of the present utility model; institute is understood that; above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof; and be not used in and limit protection domain of the present utility model; all any modifications of within thought of the present utility model and principle, making, be equal to replacement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. digital display oil hydraulic cylinder, comprise: hydraulic pressure cylinder assembly (101), it is characterized in that: also include mouth pressure sensor connector (103), outlet pressure sensor joint (102) and liquid crystal disply device (109), described inlet pressure transducer joint (103) comprising: special joint body (206), FERRULETYPE pressed joint (203) and pressure detecting module (204), described inlet pressure transducer joint (103) is installed in filler opening (201) position of described hydraulic pressure cylinder assembly (101), described special joint body (206) lower end is connected with filler opening (201) tapered thread of described hydraulic pressure cylinder assembly (101), described special joint body (206) upper end is connected with oil inlet pipe (202), hollow in the middle of the described special joint body (206), described FERRULETYPE pressed joint (203) is connected with described special joint body (206) upper end, and compression oil inlet pipe (202), the intermediate portion, side of described special joint body (206) has a hydraulic fluid port (205), the pressure end of probe of described pressure detecting module (204) is by welding or the screw mouth Placement is fixedly mounted on special joint body (206) side and described hydraulic fluid port (205) is tightly connected, the structure of described outlet pressure sensor joint (102) and principle are identical with described inlet pressure transducer joint (103), described outlet pressure sensor joint (102) is installed in the oil outlet position of described hydraulic pressure cylinder assembly (101), described liquid crystal disply device (109) comprises liquid crystal display panel (105) and PLC integrated digital circuit (106), described liquid crystal disply device (109) is fixedly mounted on the hydraulic pressure cylinder assembly (101), described PLC integrated digital circuit (106) is integrated and connected with described liquid crystal display panel (105), described PLC integrated digital circuit (106) is electrically connected with the datawire (108) of the pressure detecting module of described outlet pressure sensor joint (102) and inlet pressure transducer joint (103) respectively, and carry out reception and the A/D conversion treatment of data by described PLC integrated digital circuit (106), be sent to then that liquid crystal display panel (105) is upper to be shown.
2. a kind of digital display oil hydraulic cylinder according to claim 1, it is characterized in that: described liquid crystal disply device (109) but adopt the lithium battery power supply of recharge, described lithium cell also is electrically connected with the power line (104) of the pressure detecting module of described outlet pressure sensor joint (102) and inlet pressure transducer joint (103) respectively, is pressure detecting module (204) power supply.
3. a kind of digital display oil hydraulic cylinder according to claim 2, it is characterized in that: described liquid crystal display panel (105) can show four groups of data, is respectively: design pressure, normal operation system pressure maximum, inlet pressure and outlet pressure.
4. a kind of digital display oil hydraulic cylinder according to claim 3, it is characterized in that: described PLC integrated digital circuit (106) is provided with the RS233 serial ports, can utilize bus mode to connect this serial ports and finish remote real-time monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220181272 CN202851518U (en) | 2012-04-26 | 2012-04-26 | Digital display hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220181272 CN202851518U (en) | 2012-04-26 | 2012-04-26 | Digital display hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851518U true CN202851518U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220181272 Expired - Fee Related CN202851518U (en) | 2012-04-26 | 2012-04-26 | Digital display hydraulic cylinder |
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| Country | Link |
|---|---|
| CN (1) | CN202851518U (en) |
Cited By (4)
| 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 |
| CN104006029A (en) * | 2014-05-12 | 2014-08-27 | 天津优瑞纳斯液压机械有限公司 | Hydraulic cylinder with oil leakage detection structure |
| CN106592676A (en) * | 2016-12-06 | 2017-04-26 | 泸州长江液压密封件有限公司 | Supporting leg hydraulic cylinder suitable for engineering machine |
| CN107989850A (en) * | 2017-11-22 | 2018-05-04 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of range-adjustable engineering hydraulic cylinder |
-
2012
- 2012-04-26 CN CN 201220181272 patent/CN202851518U/en not_active Expired - Fee Related
Cited By (5)
| 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 |
| CN104006029A (en) * | 2014-05-12 | 2014-08-27 | 天津优瑞纳斯液压机械有限公司 | Hydraulic cylinder with oil leakage detection structure |
| CN106592676A (en) * | 2016-12-06 | 2017-04-26 | 泸州长江液压密封件有限公司 | Supporting leg hydraulic cylinder suitable for engineering machine |
| CN107989850A (en) * | 2017-11-22 | 2018-05-04 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of range-adjustable engineering hydraulic cylinder |
| CN107989850B (en) * | 2017-11-22 | 2020-08-18 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Engineering hydraulic oil cylinder with adjustable stroke |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20140426 |