CN204461771U - A kind of power-assisted steering pump analog loading device - Google Patents
A kind of power-assisted steering pump analog loading device Download PDFInfo
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- CN204461771U CN204461771U CN201420850892.XU CN201420850892U CN204461771U CN 204461771 U CN204461771 U CN 204461771U CN 201420850892 U CN201420850892 U CN 201420850892U CN 204461771 U CN204461771 U CN 204461771U
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Abstract
The utility model relates to power-assisted steering pump experimental test technical field, a kind of power-assisted steering pump analog loading device is provided, described power-assisted steering pump analog loading device comprises the fluid power charger be communicated with by the first hydraulic oil pipe with power-assisted steering pump, the output terminal of described fluid power charger connects hydraulic reservoir by the second hydraulic oil pipe, and described hydraulic reservoir connects described power-assisted steering pump by the 3rd hydraulic oil pipe; The input shaft of described fluid power charger connects the clutch end of topworks, described topworks electrical connection single-chip microcomputer; The first hydraulic oil pipe between described power-assisted steering pump and described fluid power charger is also provided with attemperating unit; Described attemperating unit is electrically connected with described single-chip microcomputer, thus realizes the duty of real simulation power-assisted steering pump, and complete fast by single-chip microcomputer, the changing value of fine adjustment load and duration, testing reliability is strong.
Description
Technical field
The utility model belongs to power-assisted steering pump experimental test technical field, particularly relates to a kind of power-assisted steering pump analog loading device.
Background technology
Automobile power-assisted steering pump is the parts of motor car engine, is mainly used in assisting driver to do automobile steering adjustment, for driver alleviates the use force intensity of beating bearing circle; And steering gear to have people to drive with unmanned and have the mechanical hook-up of power source, make its random device changing running route and direction in operational process.
Automobile power-assisted steering pump generally all needs power-assisted steering pump bench test machine to test, by power-assisted steering pump bench test machine, fail-test is carried out to power-assisted steering pump, pressure and the frequency of impact of the load of setting testing machine carry out compression shock test and withstand voltage test to power-assisted steering pump
Power-assisted steering pump bench test machine is the parts testing program for power-assisted steering pump, and its non-connecting engine carries out actual experimental, cannot the situation such as real simulation diesel vibration to the reliability effect of power-assisted steering pump.
Utility model content
The purpose of this utility model is to provide a kind of power-assisted steering pump analog loading device, be intended to solve the non-connecting engine of power-assisted steering pump bench test machine in prior art and carry out actual experimental, cannot the situation such as real simulation diesel vibration to the problem of the reliability effect of power-assisted steering pump.
The utility model realizes like this, a kind of power-assisted steering pump analog loading device, described power-assisted steering pump analog loading device comprises the fluid power charger be communicated with by the first hydraulic oil pipe with power-assisted steering pump, the output terminal of described fluid power charger connects hydraulic reservoir by the second hydraulic oil pipe, and described hydraulic reservoir connects described power-assisted steering pump by the 3rd hydraulic oil pipe;
The input shaft of described fluid power charger connects the clutch end of topworks, described topworks electrical connection single-chip microcomputer;
The first hydraulic oil pipe between described power-assisted steering pump and described fluid power charger is also provided with attemperating unit;
Described attemperating unit is electrically connected with described single-chip microcomputer.
As a kind of improved plan, described topworks is drive motor, and described fluid power charger is steering gear.
As a kind of improved plan, described steering gear comprise be connected with described drive motor clutch end input shaft, turn to body, output shaft, hydraulic oil outlet and hydraulic oil inlet;
Described hydraulic oil inlet connects described first hydraulic oil pipe and is communicated with, and described hydraulic oil outlet is communicated with described second hydraulic oil pipe.
As a kind of improved plan, described attemperating unit comprises the temperature controller and temperature sensor that are electrically connected with described single-chip microcomputer respectively.
Because power-assisted steering pump analog loading device comprises the fluid power charger be communicated with by the first hydraulic oil pipe with power-assisted steering pump, the output terminal of described fluid power charger connects hydraulic reservoir by the second hydraulic oil pipe, and described hydraulic reservoir connects described power-assisted steering pump by the 3rd hydraulic oil pipe; The input shaft of described fluid power charger connects the clutch end of topworks, described topworks electrical connection single-chip microcomputer; The first hydraulic oil pipe between described power-assisted steering pump and described fluid power charger is also provided with attemperating unit; Described attemperating unit is electrically connected with described single-chip microcomputer, thus realizes the duty of real simulation power-assisted steering pump, and complete fast by single-chip microcomputer, the changing value of fine adjustment load and duration, testing reliability is strong.
Because topworks is drive motor, described fluid power charger is steering gear, and drive motor is to fluid power charger output torque, and steering gear then realizes loading power-assisted steering pump.
Due to steering gear comprise be connected with described drive motor clutch end input shaft, turn to body, output shaft, hydraulic oil outlet and hydraulic oil inlet; Described hydraulic oil inlet connects described first hydraulic oil pipe and is communicated with, described hydraulic oil outlet is communicated with described second hydraulic oil pipe, realize under the locked prerequisite of steering gear output shaft, the pressure of power-assisted steering pump output hydraulic pressure oil and the angle of rotation direct proportionality of steering gear input shaft, thus the on-load pressure needed is formed at hydraulic oil inlet, realize the loading to power-assisted steering pump.
Because attemperating unit comprises the temperature controller and temperature sensor be electrically connected with described single-chip microcomputer respectively, detect the temperature of the hydraulic oil in current first hydraulic oil pipe, and according to the instruction of single-chip microcomputer, complete and the temperature of the hydraulic oil that hydraulic oil inlet enters is controlled.
Accompanying drawing explanation
Fig. 1 is the structural representation of the power-assisted steering pump analog loading device that the utility model embodiment one provides;
Fig. 2 is the structural representation of the steering gear that the utility model provides;
Fig. 3 is the structural representation of the power-assisted steering pump analog loading device that the utility model embodiment two provides;
Wherein, 1-power-assisted steering pump, 2-first hydraulic oil pipe, 3-fluid power charger, 4-second hydraulic oil pipe, 5-hydraulic reservoir, 6-the 3rd hydraulic oil pipe, 7-topworks, 8-single-chip microcomputer, 9-attemperating unit, 10-drive motor, 11-steering gear, 12-input shaft, 13-turns to body, 14-output shaft, 15-hydraulic oil outlet, 16-hydraulic oil inlet, 17-temperature sensor, 18-temperature controller.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structural representation of the power-assisted steering pump analog loading device that the utility model provides, and for convenience of explanation, only gives the part relevant to the utility model in figure.
Power-assisted steering pump analog loading device comprises the fluid power charger 3 be communicated with by the first hydraulic oil pipe 2 with power-assisted steering pump 1, the output terminal of described fluid power charger 3 connects hydraulic reservoir 5 by the second hydraulic oil pipe 4, and described hydraulic reservoir 5 connects described power-assisted steering pump 1 by the 3rd hydraulic oil pipe 6;
The input shaft of described fluid power charger 3 connects the clutch end of topworks 7, and described topworks 7 is electrically connected single-chip microcomputer 8;
The first hydraulic oil pipe 2 between described power-assisted steering pump 1 and described fluid power charger 3 is also provided with attemperating unit 9;
Described attemperating unit 9 is electrically connected with described single-chip microcomputer 8.
In the utility model, topworks 7 can be made up of drive motor 10 or other executive components, and described fluid power charger 3 is steering gear 11, its concrete structure as shown in Figure 2:
Steering gear 11 comprise be connected with described drive motor 10 clutch end input shaft 12, turn to body 13, output shaft 14, hydraulic oil outlet 15 and hydraulic oil inlet 16;
Described hydraulic oil inlet 16 connects described first hydraulic oil pipe 2 and is communicated with, and described hydraulic oil outlet 15 is communicated with described second hydraulic oil pipe 4.
In the utility model, attemperating unit 9 is made up of temperature controller 18 and temperature sensor 17, temperature controller 18 is for carrying out temperature adjustment to the hydraulic oil in the first hydraulic oil pipe 2, and temperature sensor 17 is for monitoring the temperature of the hydraulic oil in the first hydraulic oil pipe 2 and feeding back to single-chip microcomputer 8.
After the power-assisted steering pump analog loading device simulation car load wheel that the utility model provides is stuck, the moment of driver's steering wheel rotation, export the hydraulic oil that power-assisted steering pump 1 exports, to the situation that power-assisted steering pump 1 loads, it forms especially by single-chip microcomputer 8, drive motor 10, steering gear 11, fuel tank and attemperating unit 9, and its concrete execution principle is:
(1) single-chip microcomputer 8 is the control core of whole device, operator is converted to electric signal to the requirement that equipment controls by it, and electric signal is transferred to attemperating unit 9 and drive motor 10, meanwhile, carry out correction and precision adjustment according to temperature sensor 17 feedack;
(2) electric signal that exports according to single-chip microcomputer 8 of drive motor 10, according to the parameter preset, applies rotating torque to the input shaft 12 of steering gear 11;
(3) temperature controller of attemperating unit 9 is according to the electric signal of single-chip microcomputer 8, carries out temperature adjustment, make it satisfy the demands temperature to the hydraulic oil in the first hydraulic oil pipe 2, and is delivered to the hydraulic oil inlet 16 of steering gear 11;
Temperature sensor 17 then detects the temperature of the hydraulic oil in the first hydraulic oil pipe 2, feeds back to single-chip microcomputer 8, completes closed-loop control;
(4) input shaft 12 receives the rotating torque that drive motor 10 exports, fixing output shaft 14, steering gear 11 is when output shaft 14 is locked, rotate input shaft 12, be equivalent to the aperture controlling hydraulic oil pipe pipeline, rotational angle is larger, pipeline aperture is less, therefore when output shaft 14 is fixing, the pressure of steering pump output hydraulic pressure oil is directly proportional to the rotational angle of input shaft 12, utilize this principle can go out formed at oil-in required for system pressure, thus achieve power-assisted steering pump 1 loaded.
In the utility model, realize power-assisted steering pump and export specific output pressure, first this pressure selected is carried out by single-chip microcomputer 8, single-chip microcomputer 8 is namely allowed to send electric signal, drive motor 10 is driven to rotate corresponding angle, allow oil-temperature control device action control hydraulic fluid temperature, make it meet output temperature, the hydraulic fluid pressure that at this moment power-assisted steering pump exports just can reach the pressure of setting;
Achieve the loading of power-assisted steering pump, just can realize loading examination to the continuous high-pressure of power-assisted steering pump, variable load impacts examination, or gathers the status data of power-assisted steering pump in real work, on this covering device, reappear examination.
The duty of the utility model real simulation automobile power-assisted steering pump (vibration, temperature and rate of load condensate etc.), and can fast, the changing value of fine adjustment load and duration, and structure is simple, and reliability is high.
In summary, power-assisted steering pump analog loading device comprises the fluid power charger be communicated with by the first hydraulic oil pipe with power-assisted steering pump, the output terminal of described fluid power charger connects hydraulic reservoir by the second hydraulic oil pipe, and described hydraulic reservoir connects described power-assisted steering pump by the 3rd hydraulic oil pipe; The input shaft of described fluid power charger connects the clutch end of topworks, described topworks electrical connection single-chip microcomputer; The first hydraulic oil pipe between described power-assisted steering pump and described fluid power charger is also provided with attemperating unit; Described attemperating unit is electrically connected with described single-chip microcomputer, thus realizes the duty of real simulation power-assisted steering pump, and complete fast by single-chip microcomputer, the changing value of fine adjustment load and duration, testing reliability is strong.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a power-assisted steering pump analog loading device, it is characterized in that, described power-assisted steering pump analog loading device comprises the fluid power charger (3) be communicated with by the first hydraulic oil pipe (2) with power-assisted steering pump (1), the output terminal of described fluid power charger (3) connects hydraulic reservoir (5) by the second hydraulic oil pipe (4), and described hydraulic reservoir (5) connects described power-assisted steering pump (1) by the 3rd hydraulic oil pipe (6);
The power input shaft of described fluid power charger (3) connects the clutch end of topworks (7), described topworks (7) electrical connection single-chip microcomputer (8);
The first hydraulic oil pipe (2) between described power-assisted steering pump (1) and described fluid power charger (3) is also provided with attemperating unit (9);
Described attemperating unit (9) is electrically connected with described single-chip microcomputer (8).
2. power-assisted steering pump analog loading device according to claim 1, is characterized in that, described topworks (7) is drive motor (10), and described fluid power charger (3) is steering gear (11).
3. power-assisted steering pump analog loading device according to claim 2, it is characterized in that, described steering gear (11) comprise be connected with described drive motor (10) clutch end input shaft (12), turn to body (13), output shaft (14), hydraulic oil outlet (15) and hydraulic oil inlet (16);
Described hydraulic oil inlet (16) connects the connection of described first hydraulic oil pipe (2), and described hydraulic oil outlet (15) is communicated with described second hydraulic oil pipe (4).
4. power-assisted steering pump analog loading device according to claim 1, it is characterized in that, described attemperating unit (9) comprises the temperature controller (18) and temperature sensor (17) that are electrically connected with described single-chip microcomputer (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850892.XU CN204461771U (en) | 2014-12-27 | 2014-12-27 | A kind of power-assisted steering pump analog loading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850892.XU CN204461771U (en) | 2014-12-27 | 2014-12-27 | A kind of power-assisted steering pump analog loading device |
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| CN204461771U true CN204461771U (en) | 2015-07-08 |
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| CN201420850892.XU Active CN204461771U (en) | 2014-12-27 | 2014-12-27 | A kind of power-assisted steering pump analog loading device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334047A (en) * | 2015-09-16 | 2016-02-17 | 浙江吉利汽车研究院有限公司 | Hydraulic steering system noise debugging device |
-
2014
- 2014-12-27 CN CN201420850892.XU patent/CN204461771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334047A (en) * | 2015-09-16 | 2016-02-17 | 浙江吉利汽车研究院有限公司 | Hydraulic steering system noise debugging device |
| CN105334047B (en) * | 2015-09-16 | 2018-04-24 | 浙江吉利汽车研究院有限公司 | A kind of hydraulic steering system noise debugging apparatus |
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