CN204692240U - A kind of hydraulic cylinder piston displacement detector - Google Patents
A kind of hydraulic cylinder piston displacement detector Download PDFInfo
- Publication number
- CN204692240U CN204692240U CN201520351592.1U CN201520351592U CN204692240U CN 204692240 U CN204692240 U CN 204692240U CN 201520351592 U CN201520351592 U CN 201520351592U CN 204692240 U CN204692240 U CN 204692240U
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- CN
- China
- Prior art keywords
- synchronous pulley
- hydraulic cylinder
- retarder
- timing belt
- angular displacement
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Abstract
The utility model provides a kind of hydraulic cylinder piston displacement detector, comprise synchronous pulley, retarder, angular displacement sensor, described synchronous pulley assembling Timing Belt, piston rod in the connecting fluid cylinder pressure of Timing Belt one end, the other end connects counterweight, described synchronous pulley is by the input end of the axis connection reducer of self, and described angular displacement sensor is connected on the output terminal of retarder.Adopt Timing Belt to drive synchronous pulley, utilize counterweight to balance, straight-line displacement is converted to angular displacement; Adopt angular displacement sensor to detect the synchronous pulley rotating speed after retarder slows down, realize the accurate measurement of piston linear displacement; When counterweight adopts hydraulic pump/motor-accumulator system to replace, piston displacement when oil hydraulic cylinder arbitrary position is installed and used can be realized and detect.
Description
Technical field
The utility model relates to hydraulic lifting technology, specifically a kind of hydraulic cylinder piston displacement detector.
Background technique
Hydraulic lifting is a lifting new technology for oil/water well discharge opeing, and this technology needs the stroke detecting wellhead hydraulic cylinder inner carrier in plant running process, determines the displacement of piston, for control system provides commutation signal.Hydraulic cylinder piston displacement detecting adopts the method such as stay wire sensor, magnetostrictive displacement sensor usually, but when, motion speed large for piston stroke is fast, bracing wire is reclaimed not in time and card line causes sensor degradation to adopt above technology easily to occur, magnet ring and center tube friction cause the situations such as sensor degradation.Existing displacement detecting technology can not meet the requirement of Long travel oil hydraulic cylinder displacement detecting, the scene application that have impact on hydraulic lifting technology and the reliability and stability implemented.
Through retrieval, do not find constructed open source literature in the art.
Model utility content
The purpose of this utility model is to provide a kind of hydraulic cylinder piston displacement detector, adopts angular displacement sensor to detect the synchronous pulley rotating speed after retarder slows down, realizes the accurate measurement of piston linear displacement.
The purpose of this utility model realizes by following technical measures:
This hydraulic cylinder piston displacement detector comprises synchronous pulley, retarder, angular displacement sensor, described synchronous pulley assembling Timing Belt, piston rod in the connecting fluid cylinder pressure of Timing Belt one end, the other end connects counterweight, described synchronous pulley is by the input end of the axis connection reducer of self, and described angular displacement sensor is connected on the output terminal of retarder.
The purpose of this utility model also realizes by following technical measures:
Described counterweight can replace with hydraulic pump/motor or accumulator system.
Described synchronous pulley and retarder are all fixed on the top of oil hydraulic cylinder by support.
The force direction connecting the Timing Belt of piston rod one end will ensure with the running orbit of piston rod on same straight line.
The utility model has following beneficial effect:
1, adopt Timing Belt to drive synchronous pulley, utilize counterweight to balance, straight-line displacement is converted to angular displacement;
2, adopt angular displacement sensor to detect the synchronous pulley rotating speed after retarder slows down, realize the accurate measurement of piston linear displacement;
3, when counterweight adopts hydraulic pump/motor-accumulator system to replace, piston displacement when oil hydraulic cylinder arbitrary position is installed and used can be realized and detect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the right elevation of Fig. 1.
In figure: oil hydraulic cylinder 1, piston rod 2, synchronous pulley 3, Timing Belt 4, counterweight 5, retarder 6, angular displacement sensor 7.
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the utility model.
According to Fig. 1-2, a kind of hydraulic cylinder piston displacement detector, synchronous pulley 3 is fixedly mounted on the top of oil hydraulic cylinder 1, and Timing Belt 4 is placed on synchronous pulley 3, the piston rod 2 of connecting fluid cylinder pressure inside, Timing Belt one end, and the other end connects counterweight 5; Retarder 6 is connected to synchronous pulley 3 side, the opposite side angle of attachment displacement transducer 7 of retarder 6.
When the piston rod of oil hydraulic cylinder stretches out cylinder barrel, piston rod drives Timing Belt, drives synchronous pulley to rotate, and drives counterweight up, and synchronous pulley drives retarder and angular displacement sensor to rotate simultaneously; When the piston rod retraction cylinder barrel of oil hydraulic cylinder, counterweight is descending, drives synchronous pulley to rotate, drive retarder and angle transducer counterrotating by Timing Belt; Angular displacement sensor exports the angular displacement signal of reflection hydraulic cylinder piston rod displacement continuously.Counterweight also can use hydraulic pump/motor-accumulator system to replace.
The foregoing is only preferred embodiment of the present utility model, be not used to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (4)
1. a hydraulic cylinder piston displacement detector, it is characterized in that, comprise synchronous pulley, retarder, angular displacement sensor, described synchronous pulley assembling Timing Belt, piston rod in the connecting fluid cylinder pressure of Timing Belt one end, the other end connects counterweight, and described synchronous pulley is by the input end of the axis connection reducer of self, and described angular displacement sensor is connected on the output terminal of retarder.
2. a kind of hydraulic cylinder piston displacement detector according to claim 1, is characterized in that, described counterweight can replace with hydraulic pump/motor or accumulator system.
3. a kind of hydraulic cylinder piston displacement detector according to claim 1, is characterized in that, described synchronous pulley and retarder are all fixed on the top of oil hydraulic cylinder by support.
4. a kind of hydraulic cylinder piston displacement detector according to claim 1, is characterized in that, the force direction connecting the Timing Belt of piston rod one end will ensure with the running orbit of piston rod on same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351592.1U CN204692240U (en) | 2015-05-27 | 2015-05-27 | A kind of hydraulic cylinder piston displacement detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351592.1U CN204692240U (en) | 2015-05-27 | 2015-05-27 | A kind of hydraulic cylinder piston displacement detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204692240U true CN204692240U (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520351592.1U Expired - Fee Related CN204692240U (en) | 2015-05-27 | 2015-05-27 | A kind of hydraulic cylinder piston displacement detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204692240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286472A (en) * | 2015-05-27 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of hydraulic cylinder piston displacement detector and detection method thereof |
-
2015
- 2015-05-27 CN CN201520351592.1U patent/CN204692240U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286472A (en) * | 2015-05-27 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of hydraulic cylinder piston displacement detector and detection method thereof |
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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: 20151007 Termination date: 20200527 |