CN204226343U - A kind of self-monitoring hydraulic jack - Google Patents
A kind of self-monitoring hydraulic jack Download PDFInfo
- Publication number
- CN204226343U CN204226343U CN201420685431.1U CN201420685431U CN204226343U CN 204226343 U CN204226343 U CN 204226343U CN 201420685431 U CN201420685431 U CN 201420685431U CN 204226343 U CN204226343 U CN 204226343U
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- China
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- cylinder barrel
- liquid crystal
- oil outlet
- oiler
- pressure transducer
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Abstract
The utility model discloses a kind of self-monitoring hydraulic jack, comprise cylinder barrel, cylinder tail, guide sleeve, liquid crystal disply device, piston rod and adjusting sleeve; Described cylinder tail and guide sleeve are separately positioned on the two ends of cylinder barrel, and cylinder tail, guide sleeve are connected with cylinder barrel respectively by screw; The sidewall of described cylinder barrel offers oiler and oil outlet, be provided with oiler pressure transducer at oiler, oil outlet is provided with oil outlet pressure transducer; Described cylinder barrel outer wall is installed with liquid crystal disply device, and liquid crystal disply device includes liquid crystal display panel and PLC integrated digital circuit, and the right-hand member of described guide sleeve has been fastened by bolts safety cover.The oil pressure at hydraulic jack two ends is carried out detection contrast by pressure transducer and liquid crystal disply device by the utility model, reports during leakage; Safety cover seals piston rod, and isolated and extraneous contact, avoids dust to enter and accelerated wear test, extends the working life of cylinder, reduces cylinder user cost.
Description
Technical field
The utility model relates to a kind of hydraulic jack, specifically a kind of self-monitoring hydraulic jack.
Background technique
At present, the rate of fault of hydraulic system is higher, and except the problem such as clean, bubble, oil temperature of hydraulic oil, topmost problem is exactly the leakage of hydraulic oil.On the one hand that the relatively good judgement of problem of this external leakage, another is internal leakage, i.e. hydraulic element internal leakage because the reasons such as poorly sealed close or seal arrangement is aging cause hydraulic oil to leak.Hydraulic jack in use can produce these two kinds leakages equally, but this leakage is difficult to Timeliness coverage, special than being that its regulation structure is easy to leakage of oil in the adjustable hydraulic jack of some strokes, if found not in time, have a strong impact on the performance of hydraulic jack; On the other hand, dust is easy to drop on oil cylinder telescopic boom, and attachment on the piston rod, and enters in oil cylinder, causes the friction between piston rod and guide sleeve to increase, serious wear, affects use and the sealing of cylinder, cause oil leakage phenomenon.
Model utility content
The purpose of this utility model is that providing a kind of is detected hydraulic pressure by pressure transducer, and alarm, with the self-monitoring hydraulic jack of piston rod protection cover, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of self-monitoring hydraulic jack, comprises cylinder barrel, cylinder tail, guide sleeve, liquid crystal disply device, piston rod and adjusting sleeve; Described cylinder tail and guide sleeve are separately positioned on the two ends of cylinder barrel, and cylinder tail, guide sleeve are connected with cylinder barrel respectively by screw; The sidewall of described cylinder barrel offers oiler and oil outlet, oiler is communicated with the oil inlet pipe of hydraulic circuit, and oiler pressure transducer is installed between oiler and oil inlet pipe, oil outlet is communicated with the oil outlet tube of hydraulic circuit, and between oil outlet and oil outlet tube, be provided with oil outlet pressure transducer; Described cylinder barrel outer wall is installed with liquid crystal disply device, and liquid crystal disply device includes liquid crystal display panel and PLC integrated digital circuit, and PLC integrated digital circuit and described liquid crystal display panel are integrated and connected; Described PLC integrated digital circuit is provided with RS serial ports; Be provided with the adjusting sleeve equal with cylinder barrel cross section in described cylinder barrel, adjusting sleeve and cylinder barrel are slidably connected, and are provided with seal ring between adjusting sleeve and inner wall of cylinder; The right side of described adjusting sleeve is installed with yielding rubber, the left side of adjusting sleeve is fixed with contiguous block, the center rotating of contiguous block is connected with bolt, and other one end of bolt, through cylinder tail, is threaded connection between bolt and cylinder tail; The right-hand member of described guide sleeve has been fastened by bolts safety cover, is provided with seal ring between safety cover and guide sleeve.
Further: described PLC integrated digital circuit is electrically connected with the datawire of described oil outlet pressure transducer and oiler pressure transducer respectively.
Further: described liquid crystal disply device adopts can the lithium battery power supply of recharge, and lithium cell is electrically connected with the power line of described oil outlet pressure transducer and oiler pressure transducer respectively.
Further: the thickness of described yielding rubber is 10 ~ 20mm.
Further: describedly on the right-hand member of bolt, to be fixedly welded with adjustment ring; The right-hand member of piston rod is installed with earrings, between piston rod and guide sleeve, is provided with this special seal.
Further: described safety cover is electrically non-conductive material, and safety cover inside is provided with Seal cage.
Compared with prior art, the beneficial effects of the utility model are: the oil pressure at hydraulic jack two ends is carried out detection contrast by oil outlet pressure transducer and oiler pressure transducer and liquid crystal disply device by the utility model, oil pressure condition in timely display hydraulic jack, report during leakage, carry out changing in time and maintenance; Safety cover can seal piston rod, avoids adhesive dust on piston rod, follows piston rod and enters in oil cylinder, and isolated and extraneous contact, avoids dust to enter and accelerated wear test, substantially prolongs the working life of cylinder, reduces cylinder user cost.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of self-monitoring hydraulic jack.
In figure: 1-cylinder barrel, 2-cylinder tail, 3-guide sleeve, 4-liquid crystal disply device; 5-piston rod, 6-oiler, 7-oil outlet, 8-oiler pressure transducer; 9-oil outlet pressure transducer, 10-bolt, 11-earrings, 12-liquid crystal display panel; 13-PLC integrated digital circuit, the special seal of 14-Si, 15-adjusting sleeve; 16-contiguous block, 17-yielding rubber, 18-adjustment ring; 19-power line, 20-datawire, 21-safety cover.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to figure, in the utility model embodiment, a kind of self-monitoring hydraulic jack, comprises cylinder barrel 1, cylinder tail 2, guide sleeve 3, liquid crystal disply device 4, piston rod 5 and adjusting sleeve 15; Described cylinder tail 2 and guide sleeve 3 are separately positioned on the two ends of cylinder barrel 1, and cylinder tail 2, guide sleeve 3 are connected with cylinder barrel 1 respectively by screw; The sidewall of described cylinder barrel 1 offers oiler 6 and oil outlet 7, oiler 6 is communicated with the oil inlet pipe of hydraulic circuit, and oiler pressure transducer 8 is installed between oiler 6 and oil inlet pipe, oil outlet 7 is communicated with the oil outlet tube of hydraulic circuit, and is provided with oil outlet pressure transducer 9 between oil outlet 7 and oil outlet tube; Described cylinder barrel 1 outer wall is installed with liquid crystal disply device 4, liquid crystal disply device 4 includes liquid crystal display panel 12 and PLC integrated digital circuit 13, PLC integrated digital circuit 13 and described liquid crystal display panel 12 are integrated and connected, described PLC integrated digital circuit 13 is electrically connected with the datawire 20 of described oil outlet pressure transducer 9 and oiler pressure transducer 8 respectively, and reception and the A/D conversion treatment of data is carried out by described PLC integrated digital circuit 13, be then sent on liquid crystal display panel 12 and show; Described PLC integrated digital circuit 13 is provided with RS233 serial ports, bus mode can be utilized to connect this serial ports and complete remote real-time monitoring; Described liquid crystal disply device 4 adopts can the lithium battery power supply of recharge, and lithium cell is also electrically connected with the power line 19 of described oil outlet pressure transducer 9 and oiler pressure transducer 8 respectively, for oil outlet pressure transducer 9 and oiler pressure transducer 8 are powered; Be provided with the adjusting sleeve 15 equal with cylinder barrel 1 cross section in described cylinder barrel 1, adjusting sleeve 15 and cylinder barrel 1 are slidably connected, and are provided with seal ring between adjusting sleeve 15 and cylinder barrel 1 inwall; The right side of described adjusting sleeve 15 is installed with yielding rubber 17, the thickness of yielding rubber 17 is 10 ~ 20mm, the left side of adjusting sleeve 15 is fixed with contiguous block 16, the center rotating of contiguous block 16 is connected with bolt 10, bolt 10 promotes adjusting sleeve 15, and other one end of bolt 10, through cylinder tail 2, is threaded connection between bolt 10 and cylinder tail 2, the right-hand member of bolt 10 is fixedly welded with adjustment ring 18, the stroke of convenient adjustment hydraulic jack; The right-hand member of piston rod 5 is installed with earrings 11, between piston rod 5 and guide sleeve 3, is provided with this special seal 14; The right-hand member of described guide sleeve 3 has been fastened by bolts safety cover 21; be provided with seal ring between safety cover 21 and guide sleeve 3, safety cover 21 is electrically non-conductive material, and safety cover 21 inside is provided with Seal cage; Seal cage and isolate from outer air, make extraneous dust enter.
The utility model is detected the oil outlet of hydraulic jack and oiler respectively by oil outlet pressure transducer 9 and oiler pressure transducer 8, and the data-signal of detection is presented on liquid crystal display panel 12 by liquid crystal disply device 4, when oil outlet is different with the oil pressure of oiler, system can give the alarm, prompting has hydraulic pressure to reveal, in time the situation of hydraulic jack is informed staff, carry out changing in time and maintenance; Safety cover 21 can seal piston rod, avoids adhesive dust on piston rod, follows piston rod and enters in oil cylinder.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (6)
1. a self-monitoring hydraulic jack, comprises cylinder barrel (1), cylinder tail (2), guide sleeve (3), liquid crystal disply device (4), piston rod (5) and adjusting sleeve (15); It is characterized in that: described cylinder tail (2) and guide sleeve (3) are separately positioned on the two ends of cylinder barrel (1), and cylinder tail (2), guide sleeve (3) are connected with cylinder barrel (1) respectively by screw; The sidewall of described cylinder barrel (1) offers oiler (6) and oil outlet (7), oiler (6) is communicated with the oil inlet pipe of hydraulic circuit, and oiler pressure transducer (8) is installed between oiler (6) and oil inlet pipe, oil outlet (7) is communicated with the oil outlet tube of hydraulic circuit, and is provided with oil outlet pressure transducer (9) between oil outlet (7) and oil outlet tube; Described cylinder barrel (1) outer wall is installed with liquid crystal disply device (4), liquid crystal disply device (4) includes liquid crystal display panel (12) and PLC integrated digital circuit (13), and PLC integrated digital circuit (13) and described liquid crystal display panel (12) are integrated and connected; Described PLC integrated digital circuit (13) is provided with RS(233) serial ports; Be provided with the adjusting sleeve (15) equal with cylinder barrel (1) cross section in described cylinder barrel (1), adjusting sleeve (15) and cylinder barrel (1) are slidably connected, and are provided with seal ring between adjusting sleeve (15) and cylinder barrel (1) inwall; The right side of described adjusting sleeve (15) is installed with yielding rubber (17), the left side of adjusting sleeve (15) is fixed with contiguous block (16), the center rotating of contiguous block (16) is connected with bolt (10), other one end of bolt (10), through cylinder tail (2), is threaded connection between bolt (10) and cylinder tail (2); The right-hand member of described guide sleeve (3) has been fastened by bolts safety cover (21), is provided with seal ring between safety cover (21) and guide sleeve (3).
2. the self-monitoring hydraulic jack of one according to claim 1, is characterized in that: described PLC integrated digital circuit (13) is electrically connected with the datawire (20) of described oil outlet pressure transducer (9) and oiler pressure transducer (8) respectively.
3. the self-monitoring hydraulic jack of one according to claim 1, it is characterized in that: described liquid crystal disply device (4) adopts can the lithium battery power supply of recharge, and lithium cell is electrically connected with the power line (19) of described oil outlet pressure transducer (9) and oiler pressure transducer (8) respectively.
4. the self-monitoring hydraulic jack of one according to claim 1, is characterized in that: the thickness of described yielding rubber (17) is 10 ~ 20mm.
5. the self-monitoring hydraulic jack of one according to claim 1, is characterized in that: describedly on the right-hand member of bolt (10), be fixedly welded with adjustment ring (18); The right-hand member of piston rod (5) is installed with earrings (11), between piston rod (5) and guide sleeve (3), is provided with this special seal (14).
6. the self-monitoring hydraulic jack of one according to claim 1, is characterized in that: described safety cover (21) is electrically non-conductive material, and safety cover (21) inside is provided with Seal cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685431.1U CN204226343U (en) | 2014-11-17 | 2014-11-17 | A kind of self-monitoring hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685431.1U CN204226343U (en) | 2014-11-17 | 2014-11-17 | A kind of self-monitoring hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226343U true CN204226343U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420685431.1U Expired - Fee Related CN204226343U (en) | 2014-11-17 | 2014-11-17 | A kind of self-monitoring hydraulic jack |
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| Country | Link |
|---|---|
| CN (1) | CN204226343U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041774A (en) * | 2015-08-28 | 2015-11-11 | 三一重型装备有限公司 | Oil cylinder with water quality testing function |
| 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 |
| CN111566359A (en) * | 2018-01-29 | 2020-08-21 | Ｋｙｂ株式会社 | Fluid leakage detection apparatus and reciprocating type fluid pressure apparatus |
| CN111894941A (en) * | 2020-08-07 | 2020-11-06 | 中睿智能技术(东莞)有限公司 | Adjustable high-speed cylinder |
-
2014
- 2014-11-17 CN CN201420685431.1U patent/CN204226343U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041774A (en) * | 2015-08-28 | 2015-11-11 | 三一重型装备有限公司 | Oil cylinder with water quality testing function |
| 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 |
| CN111566359A (en) * | 2018-01-29 | 2020-08-21 | Ｋｙｂ株式会社 | Fluid leakage detection apparatus and reciprocating type fluid pressure apparatus |
| CN111566359B (en) * | 2018-01-29 | 2022-05-06 | Ｋｙｂ株式会社 | Fluid leakage detection apparatus and reciprocating type fluid pressure apparatus |
| CN111894941A (en) * | 2020-08-07 | 2020-11-06 | 中睿智能技术(东莞)有限公司 | Adjustable high-speed cylinder |
| CN111894941B (en) * | 2020-08-07 | 2022-04-22 | 中睿智能技术(东莞)有限公司 | Adjustable high-speed cylinder |
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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: 20150325 Termination date: 20191117 |