CN202188961U - Portable steering system hydraulic detector of commercial vehicle - Google Patents
Portable steering system hydraulic detector of commercial vehicle Download PDFInfo
- Publication number
- CN202188961U CN202188961U CN2011202960500U CN201120296050U CN202188961U CN 202188961 U CN202188961 U CN 202188961U CN 2011202960500 U CN2011202960500 U CN 2011202960500U CN 201120296050 U CN201120296050 U CN 201120296050U CN 202188961 U CN202188961 U CN 202188961U
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- Prior art keywords
- oil
- flow control
- control valve
- valve
- steering
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- Expired - Lifetime
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- Steering Control In Accordance With Driving Conditions (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a portable steering system hydraulic detector of a commercial vehicle, which comprises a tee joint flow control valve. An oil inlet of the tee joint flow control valve can be connected to an oil outlet of a power steering pump. One oil outlet of the tee joint flow control valve is connected to an oil storage tank of a steering system through a ball valve, the other oil outlet of the tee joint flow control valve is connected to a throttling valve through a flow sensor, a pressure sensor and a temperature sensor, and an oil outlet of the throttling valve can be connected to an oil inlet of a steering engine. The front end of the oil inlet of the tee joint flow control valve is connected to the oil storage tank of the steering system through an adjustable pressure relief valve. Further, the oil inlet of the tee joint flow control valve is connected to the oil outlet of the power steering pump through an external connector. The portable steering system hydraulic detector can be installed on the commercial vehicle, detects data of the steering system along with the vehicle and quickly analyzes and judges a source of failure.
Description
Technical field
The utility model relates to a kind of pick-up unit of commercial car steering, is specifically related to a kind of portable commercial car steering hydraulic pressure detector.
Background technology
In the market, fault detect is based on the personal experience in service station to the commercial car steering, has no instrument or instrument to use for reference.Therefore, in case fault has been got rid of not, just change corresponding part, causing present domestic commercial car aftermarket is erroneous judgement near 40% steering box, is erroneous judgement near 60% boost pump.Owing to there is not special-purpose checkout equipment, cause fault diagnosis to handle and use duration, 40% steering box of judging by accident is replaced and can utilize again again and cause waste; The steering box of erroneous judgement is when returning supplier; Because it is improper in storage or transportation, to safeguard, cause damage to scrap, make supplier can't carry out fault analysis; Refusal is accepted as the quality guarantee product, causes main frame producer therefore to spend a large amount of money and compensates in the terminal client hand.
Summary of the invention
The technical matters that the utility model will solve provides a kind of portable commercial car steering hydraulic pressure detector, and it can be installed on the commercial car, with the data of car test survey steering, and express-analysis failure judgement source.
In order to solve the problems of the technologies described above, the technical scheme of the utility model is:
A kind of portable commercial car steering hydraulic pressure detector comprises three way flow control valve, and the oil-in of three way flow control valve can connect the oil-out of boost pump; One oil-out of three way flow control valve is connected with the storage tank of steering through ball valve; Another oil-out of three way flow control valve is connected with throttling valve behind flow sensor, pressure transducer and temperature sensor, and the throttling valve oil-out can connect the steering box oil-in; The front end of three way flow control valve oil-in is connected through the adjustable pressure relief valve with the storage tank of steering.
Further, the oil-in of said three way flow control valve is received the oil-out of boost pump through outside connector.
Further, said throttling valve oil-out is received the steering box oil-in through outside connector.
Further, the oil-feed of said three way flow control valve is at first via filtrator.
Further, said flow sensor, pressure transducer and parameter that temperature sensor is surveyed read through display.
The fuel-displaced of boost pump is divided into two oil circuits through three way flow control valve; Working connection is behind flow sensor, pressure transducer and temperature sensor, to pass through throttling valve again; The final steering box that gets into; Auxiliary oil circuit is to be connected with the storage tank of steering via ball valve, the oil circuit of a band protection of setting up for protection system.The utility model is connected in series in the system as an auxiliary detection instrument, through the operation vehicle steering; Through regulating the knob on the detector, the system hydraulic oil of making is in the different working state, under different conditions, detects all parameters of steering box according to this; All parameters of boost pump reach express-analysis failure judgement source in simultaneously can detection system, are hydraulic system fault or peripheral mechanical fault; Thereby find out failure cause quickly and easily, solve.
Description of drawings
Below in conjunction with accompanying drawing the embodiment of the utility model is done further detailed explanation:
Fig. 1 is the structural principle synoptic diagram of the utility model.
Fig. 2 is the use synoptic diagram of the utility model.
Among the figure: 1 boost pump, 2 storage tank, 3 steering boxs, 4 displays, 5 detectors, 6 filtrators, 7 three way flow control valves, 8 flow sensors, 9 pressure transducers, 10 temperature sensors, 11 throttling valve, 12 ball valves, 13 adjustable pressure relief valves.
Embodiment
As shown in Figure 1, a kind of portable commercial car steering hydraulic pressure detector comprises three way flow control valve 7.The oil-in of three way flow control valve 7 can connect the oil-out of boost pump 1 via filtrator 6.One oil-out of three way flow control valve 7 is connected with the storage tank 2 of steering through ball valve 12.Another oil-out of three way flow control valve 7 connects steering box 3 oil-ins via throttling valve 11 behind flow sensor 8, pressure transducer 9 and temperature sensor 10.Flow sensor 8, pressure transducer 9 and temperature sensor 10 parameter of surveying read through display 4.The oil-feed of three way flow control valve 7 is connected through the adjustable pressure relief valve 13 with overload protection function with the storage tank of steering 2.
Detector is as the main checkout equipment of surveying steering box with car test; In order accurately to detect inefficacy, must confirm that at first hydraulic oil that system is supplied with gets pressure and flow meets the requirements, so before detecting steering box whether from the hydraulic system of steering box; The parameter of at first guaranteeing system's boost pump meets the demands; This just requires before detecting steering box, at first uses this detector to detect all parameters of boost pump, treats that all parameters of boost pump meet the requirements; Detect steering box again, must guarantee that at first the peripheral environment of steering box must reach standard; After having detected boost pump, detect the parameter under the steering box different operating state again: the temperature variation of pressure, interior leakage quantity, system etc.
Before detection; At first the utility model is inserted in the steering of commercial car; As shown in Figure 2, the oil-in (being the oil-in of filtrator 6) of detector 5 is connected to the oil-out of boost pump 1, receive hydraulic oil from boost pump 1; Throttling valve 11 oil-outs are connected to steering box 3, and the connecting tube internal diameter between throttling valve 11 and the steering box 3 is not less than 12mm.The oil-out of adjustable pressure relief valve 13 is connected to the storage tank 2 of steering.After connection finishes, open throttling valve 11, open ball valve 12, open three way flow control valve 7, carry out the following steps operation to maximum:
1. startup motor car engine, the data on flows of observing detector 5;
2. slowly close ball valve 12, slow closing presure variable valve 13, the data on flows of observing detector whether change (normal conditions, the oil return flow reduces to and stops, the oil mass that flow into steering box 3 this moment can increase, pressure can slowly raise);
3. under engine idle, observe the flow size this moment, pressure data, temperature variation, the data of this moment are the idling mode of boost pump 1;
4. detect the data of boost pump 1: moment is closed throttling valve 10, by the time pressure transducer 9 shows when maximum pressures no longer change, unclamps (shut-in time is oversize, can damage systematic part) immediately;
5. system pressure is adjusted to the certain pressure value, for example 50 bar observe the variation of boost pump 1 flow, and whether meet the demands (measuring according to technical data required for the pump);
6. continued operation is three times, observe pressure and change, three times as a result domain of walker in 10%;
Boost pump 1 detect accomplish and qualified after, begin to detect steering box 3;
8. the steering axles wheel hub is fixed, the direction that pounds left, is to the right started working up to pressure limiting valve, and till pressure was not changing, be the maximum pressure of steering box unloader this moment.
9. system pressure is required to be adjusted to regulation numerical value according to steering box operation book, beat direction more left, reach minimum value up to flow system flow, operation equally to the right, this moment, detected data were the interior discharge of steering box;
10. data are put in order, analyze; Search the possible inefficacy factor of hydraulic system, the hydraulic system data processing is accomplished;
11., begin to check peripheral mechanical data if do not note abnormalities data;
12. the whole operation process finishes, and disassembles down portable detector 5.
The advantage of the utility model: body weight is lighter, carries easily; Simple in structure, easy operating; System data detects the back through tensimeter, thermometer, and the form of flowmeter shows, comes into plain view, and is relatively more directly perceived, obtains data easily; To fault diagnosis strong support is provided, obtains system data easily; Modular construction, easy to maintenance; System carries the off-load protective valve, after pressure exceeds, and protection automatically; Monitoring Data is accurate, satisfies fault diagnosis fully and gets rid of requirement.
Claims (6)
1. portable commercial car steering hydraulic pressure detector is characterized in that: comprise three way flow control valve,
The oil-in of three way flow control valve can connect the oil-out of boost pump;
One oil-out of three way flow control valve is connected with the storage tank of steering through ball valve;
Another oil-out of three way flow control valve is connected with throttling valve behind flow sensor, pressure transducer and temperature sensor, and the throttling valve oil-out can connect the steering box oil-in;
The front end of three way flow control valve oil-in is connected through the adjustable pressure relief valve with the storage tank of steering.
2. detector according to claim 1 is characterized in that: the oil-in of said three way flow control valve is received the oil-out of boost pump through outside connector.
3. detector according to claim 1 is characterized in that: said throttling valve oil-out is received the steering box oil-in through outside connector.
4. according to the arbitrary described detector of claim 1 to 3, it is characterized in that: the oil-feed of said three way flow control valve is at first via filtrator.
5. according to the arbitrary described detector of claim 1 to 3, it is characterized in that: said flow sensor, pressure transducer and parameter that temperature sensor is surveyed read through display.
6. detector according to claim 4 is characterized in that: said flow sensor, pressure transducer and parameter that temperature sensor is surveyed read through display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202960500U CN202188961U (en) | 2011-08-16 | 2011-08-16 | Portable steering system hydraulic detector of commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202960500U CN202188961U (en) | 2011-08-16 | 2011-08-16 | Portable steering system hydraulic detector of commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188961U true CN202188961U (en) | 2012-04-11 |
Family
ID=45920403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202960500U Expired - Lifetime CN202188961U (en) | 2011-08-16 | 2011-08-16 | Portable steering system hydraulic detector of commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515645A (en) * | 2013-09-29 | 2015-04-15 | 天津台信检测技术有限公司 | Vehicle safeguard system |
| CN106608281A (en) * | 2017-01-20 | 2017-05-03 | 贵州大学 | Mechanical hydraulic power-assisted steering device of engineering vehicle |
-
2011
- 2011-08-16 CN CN2011202960500U patent/CN202188961U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515645A (en) * | 2013-09-29 | 2015-04-15 | 天津台信检测技术有限公司 | Vehicle safeguard system |
| CN106608281A (en) * | 2017-01-20 | 2017-05-03 | 贵州大学 | Mechanical hydraulic power-assisted steering device of engineering vehicle |
| CN106608281B (en) * | 2017-01-20 | 2019-01-29 | 贵州大学 | A kind of mechanical hydraulic pressure power-assisted steering device of construction truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Lingang Development Zone Airport Yaoqiang Town Road Licheng District 250107 in Shandong city of Ji'nan province No. 4647 Patentee after: BOSCH automotive steering systems (Ji'nan) Co., Ltd. Address before: Lingang Development Zone Airport Yaoqiang Town Road Licheng District 250107 in Shandong city of Ji'nan province No. 4647 Patentee before: ZF commercial vehicle steering (Shandong) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
|
| CX01 | Expiry of patent term |