CN205352860U - Volume expansion system for rubber hose detection - Google Patents
Volume expansion system for rubber hose detection Download PDFInfo
- Publication number
- CN205352860U CN205352860U CN201521105134.6U CN201521105134U CN205352860U CN 205352860 U CN205352860 U CN 205352860U CN 201521105134 U CN201521105134 U CN 201521105134U CN 205352860 U CN205352860 U CN 205352860U
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- valve
- rubber hose
- fuel tank
- expansion system
- measured
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Abstract
The utility model belongs to the technical field of the rubber property test, especially, relate to a volume expansion system for rubber hose detects, including control system and the measuring device who is connected with control system, control system includes PLC controller, drive arrangement, hydraulic servo valve, high pressure sensor and AD converter, the PLC controller respectively with drive arrangement AD converter is connected, drive arrangement with hydraulic servo valve connects, hydraulic servo valve with measuring device connects, measuring device with the AD converter is connected. The utility model has the advantages that: the device is used for testing the volume expansion amount of the automobile brake hose, realizes automatic control of the device and simplifies the structure of the device.
Description
Technical field
This utility model belongs to rubber performance technical field of measurement and test, particularly relates to a kind of cubical expansion system for rubber hose detection.
Background technology
Along with the fast development of Domestic Automotive Industry, people are further strict to the especially trouble-saving generation of requirement of the safety of automobile, and as one of automobile active safety parts, the quality of the automobile hydraulic braking hose of transmission brake power seems all the more important.The quality of air-brake coupling hose quality can directly influence the safety and reliability that vehicle travels.One automobile run at high speed hydraulic-brake hose when there being emergency to take to brake consequence that bursts suddenly is hardly imaginable.
For rubber detent flexible pipe, internal volume swell increment is one of its main performance parameter.When air-brake coupling hose stands the internal pressure of regulation, its volume will expand.And its maximum internal volume swell increment should be satisfied with the requirement of automobile brake perfrmance.
For the sensing equipment of automobile brake hose cubical expansion amount, all there are many similar products both at home and abroad.Its tested media adopts degassing body free water mostly, adopts pulsometer to provide pressure, and this design is excessively complicated, it is necessary to the pressurization of air pressure liquid just can complete test.Digital-type pure-water hydraulic valve is defeated can accurately and reliably be controlled by pulse frequency or width adjusting due to output, and capacity of resisting disturbance is strong, can obtain higher opened loop control precision and be used gradually.But existing sensing equipment is unrealized Automatic Control still, and whole system structure is complicated.
Utility model content
The complexity of Automated condtrol and structure it is not carried out for existing equipment, this utility model provides a kind of cubical expansion system for rubber hose detection, test for automobile brake hose cubical expansion amount, it is achieved that automatically controlling of equipment, simplifies device structure.
A kind of cubical expansion system for rubber hose detection, it is characterized in that the measurement apparatus including control system and being connected with control system, described control system includes PLC, driving device, hydraulic efficiency servo-valve, high pressure sensor and A/D converter, described PLC is connected with described driving device, described A/D converter respectively, described driving device is connected with described hydraulic efficiency servo-valve, described hydraulic efficiency servo-valve is connected with described measurement apparatus, and described measurement apparatus is connected with described A/D converter；
Described measurement apparatus includes fuel tank, described fuel tank is connected with plunger displacement pump, described plunger displacement pump is connected by pipeline with filter, the pipeline at described filter rear is provided with overflow valve, described overflow valve is connected with pressure transmitter and described fuel tank respectively by branch line, described pressure transmitter is with to be measured hose connection, and described flexible pipe to be measured is connected with graduated cylinder, and described graduated cylinder is connected with described fuel tank, laser displacement sensor respectively through pipeline.
Described driving device includes the driver, motor and the decelerator that are sequentially connected with, and described driver is connected with described PLC, and described decelerator is connected with described hydraulic efficiency servo-valve.
It is provided with electric Proportion valve between described fuel tank and described overflow valve.
Between described pressure transmitter and described flexible pipe to be measured, between described flexible pipe to be measured and described graduated cylinder, between described flexible pipe to be measured and described fuel tank, it is equipped with valve.
Described laser displacement sensor is Development of high-speed CCD laser displacement.
Described pressure transmitter is high pressure sensor.
Described PLC is Siemens's SIMATICS7-200 small controller.
The beneficial effects of the utility model are: replaced by the pressure sensor apparatus pressure transmitter originally used, the structure making native system is greatly simplified, PLC is adopted to achieve the Automatic Control of native system, can passing through, touch screen is set and realizes man-machine communication's function, control to liquid measure more accurate with hydraulic efficiency servo-valve, simultaneously with Development of high-speed CCD laser displacement, certainty of measurement is accurate, can accurately measure the performance of flexible pipe to be measured, the disqualification rate that tested flexible pipe is detected is more accurate, effectively prevent flexible pipe to be measured and be used in the explosion that automobile brake aspect produces, safety is greatly increased.
Accompanying drawing explanation
Fig. 1 is control structure figure of the present utility model；
Fig. 2 is the structural representation of this utility model measurement apparatus.
In figure, 1, PLC, 2, hydraulic efficiency servo-valve, 3, high pressure sensor, 4, A/D converter, 5, driver, 6, motor, 7, decelerator, 8, PC, 9, fuel tank, 10, plunger displacement pump, 11, filter, 12, overflow valve, 13, pressure transmitter, 14, electric Proportion valve, 15, flexible pipe to be measured, 16, the first valve, the 17, second valve, the 18, the 3rd valve, 19, graduated cylinder, 20, laser displacement sensor, 21, measurement apparatus.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of detailed description of the invention of utility model is explained.
As shown in Figure 1, this utility model provides a kind of cubical expansion system for rubber hose detection, it is characterized in that the measurement apparatus 21 including control system and being connected with control system, described control system includes PLC 1, driving device, hydraulic efficiency servo-valve 2, high pressure sensor 3 and A/D converter 4, described PLC 1 is connected with described driving device, described A/D converter 4 respectively, described driving device is connected with described hydraulic efficiency servo-valve 2, described hydraulic efficiency servo-valve 2 is connected with described measurement apparatus 21, and described measurement apparatus 21 is connected with described A/D converter 4；Wherein driving device includes the driver 5, motor 6 and the decelerator 7 that are sequentially connected with, and described driver 5 is connected with described PLC 1, and described decelerator 7 is connected with described hydraulic efficiency servo-valve 2.Described PLC 1 is Siemens's SIMATICS7-200 small controller.For work such as supervisory control system running situation, data process, data management, result printings, PLC 1 is connected with PC 8, the computer that PC 8 is common at present.PLC 1 adopts Siemens's SIMATICS7-200 small-sized programmable controller to realize the control to hydraulic efficiency servo-valve 2, completes detection process.During detection, by controlling the rotation of motor 6, control the opening amount of hydraulic efficiency servo-valve 2.By the signal of A/D converter 4, high pressure sensor 3, constantly input PLC 1.PLC 1 is through over-sampling, calculating, it is possible to obtain compression rate.Compression rate is calculated either with or without reaching requirement by comparing.Then pass through PLC 1 and adjust motor 6, change the opening amount of hydraulic efficiency servo-valve 2, make compression rate in required scope, complete one and control circulation.
As shown in Figure 2, described measurement apparatus 21 includes fuel tank 9, described fuel tank 9 is connected with plunger displacement pump 10, described plunger displacement pump 10 is connected by pipeline with filter 11, the pipeline at described filter 11 rear is provided with overflow valve 12, described overflow valve 12 is connected with pressure transmitter 13 and described fuel tank 9 respectively by branch line, is provided with electric Proportion valve 14 between described fuel tank 9 and described overflow valve 12.Described pressure transmitter 13 is connected with flexible pipe 15 to be measured, and described flexible pipe 15 to be measured is connected with graduated cylinder 19, and described graduated cylinder 19 is connected with described fuel tank 9, laser displacement sensor 20 respectively through pipeline.The 3rd valve the 18, first valve the 16, second valve 17 it is provided with respectively between described pressure transmitter 13 and described flexible pipe to be measured 15, between described flexible pipe 15 to be measured and described graduated cylinder 19, between described flexible pipe 15 to be measured and described fuel tank 9.
Pressure transmitter 13 in the present embodiment uses high pressure sensor 3, and laser displacement sensor 20 uses Development of high-speed CCD laser displacement 20.
Specific works principle: motor-driven quantitative plunger pump 10, extracts fluid from fuel tank 9 and provides pressure to system.Fluid passes through filter 11, flows through overflow valve 12, and system will be played voltage stabilizing and safeguard protection effect by overflow valve 12.System pressure is formed feedback by electric Proportion valve 14 and pressure transmitter 13 and jointly controls.Fluid, after electric Proportion valve 14 and pressure transmitter 13, pressurizes at needs numerical value stable for oil liquid pressure in flexible pipe 15 to be measured.Now the first valve 16 and the second valve 17 are all closed, and the 3rd valve 18 is open mode.When fluid maintains after certain pressure continues to specify experimental period in flexible pipe 15 to be measured, after 3rd valve 18 is closed, the first valve 16 is opened, fluid flows among graduated cylinder 19, and the fluid that laser displacement sensor 20 will be measured in graduated cylinder 19, by calculating the swell increment of flexible pipe 15 to be measured.After being measured, the second valve 17 is opened, and empties the fluid in graduated cylinder 19, and then first valve the 16, second valve 17 is closed, and the 3rd valve 18 is opened, and prepares to measure next time.
Above example of the present utility model is described in detail, but described content has been only preferred embodiment of the present utility model, it is impossible to be considered for limiting practical range of the present utility model.All equalizations made according to this utility model application range change and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (7)
1. the cubical expansion system for rubber hose detection, it is characterized in that the measurement apparatus including control system and being connected with control system, described control system includes PLC, driving device, hydraulic efficiency servo-valve, high pressure sensor and A/D converter, described PLC is connected with described driving device, described A/D converter respectively, described driving device is connected with described hydraulic efficiency servo-valve, described hydraulic efficiency servo-valve is connected with described measurement apparatus, and described measurement apparatus is connected with described A/D converter；
Described measurement apparatus includes fuel tank, described fuel tank is connected with plunger displacement pump, described plunger displacement pump is connected by pipeline with filter, the pipeline at described filter rear is provided with overflow valve, described overflow valve is connected with pressure transmitter and described fuel tank respectively by branch line, described pressure transmitter is with to be measured hose connection, and described flexible pipe to be measured is connected with graduated cylinder, and described graduated cylinder is connected with described fuel tank, laser displacement sensor respectively through pipeline.
2. the cubical expansion system for rubber hose detection according to claim 1, it is characterized in that driver, motor and decelerator that described driving device includes being sequentially connected with, described driver is connected with described PLC, and described decelerator is connected with described hydraulic efficiency servo-valve.
3. the cubical expansion system for rubber hose detection according to claim 1 and 2, it is characterised in that be provided with electric Proportion valve between described fuel tank and described overflow valve.
4. the cubical expansion system for rubber hose detection according to claim 3, it is characterised in that between described pressure transmitter and described flexible pipe to be measured, between described flexible pipe to be measured and described graduated cylinder, be equipped with valve between described flexible pipe to be measured and described fuel tank.
5. the cubical expansion system for rubber hose detection according to claim 1, it is characterised in that described laser displacement sensor is Development of high-speed CCD laser displacement.
6. the cubical expansion system for rubber hose detection according to claim 1, it is characterised in that described pressure transmitter is high pressure sensor.
7. the cubical expansion system for rubber hose detection according to claim 1, it is characterised in that described PLC is Siemens's SIMATICS7-200 small controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105134.6U CN205352860U (en) | 2015-12-24 | 2015-12-24 | Volume expansion system for rubber hose detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105134.6U CN205352860U (en) | 2015-12-24 | 2015-12-24 | Volume expansion system for rubber hose detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205352860U true CN205352860U (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521105134.6U Expired - Fee Related CN205352860U (en) | 2015-12-24 | 2015-12-24 | Volume expansion system for rubber hose detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205352860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938071A (en) * | 2015-12-24 | 2016-09-14 | 石油和化学工业橡胶及再生产品质量监督检验中心（天津市质量监督检验站第四十二站） | Volume expansion system for rubber hose detection |
-
2015
- 2015-12-24 CN CN201521105134.6U patent/CN205352860U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938071A (en) * | 2015-12-24 | 2016-09-14 | 石油和化学工业橡胶及再生产品质量监督检验中心（天津市质量监督检验站第四十二站） | Volume expansion system for rubber hose detection |
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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: 20160629 Termination date: 20191224 |