CN113324752A - Pressure control type steering valve reliability and performance characteristic testing tool and method - Google Patents
Pressure control type steering valve reliability and performance characteristic testing tool and method Download PDFInfo
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- CN113324752A CN113324752A CN202110539127.0A CN202110539127A CN113324752A CN 113324752 A CN113324752 A CN 113324752A CN 202110539127 A CN202110539127 A CN 202110539127A CN 113324752 A CN113324752 A CN 113324752A
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 238000010586 diagram Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
Abstract
The invention discloses the technical field of steering valve testing, and particularly relates to a pressure control type steering valve reliability and performance characteristic testing tool and method. The method comprises the following steps: a bracket for mounting a pressure control type steering valve; the first intermediate shaft comprises a first connecting section, a smooth shaft section and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve; the second connecting section is in transmission connection with the steering wheel; the input end of the encoder is fixedly connected with the optical axis section of the first intermediate shaft, and the shell of the encoder is fixed on the bracket through a mounting plate; and the corner tester is arranged on the steering wheel and used for detecting the rotation angle of the steering wheel.
Description
Technical Field
The invention belongs to the technical field of steering valve testing, and particularly relates to a pressure control type steering valve reliability and performance characteristic testing tool and method.
Background
The steering system is an important component of a moving vehicle, the steering performance is related to the safety of the vehicle, the personal safety and the driving comfort of a driver, the key work of improving the safety of the vehicle is to research the steering performance of the steering system, the conventional steering system mostly adopts a full hydraulic steering gear or a power steering gear, the steering is realized by the matching of the steering gear and a steering oil cylinder, and the method for testing the steering angle of a steering wheel is adopted when the steering angle is tested and matched with a corresponding testing tool. The pressure control type steering valve is a proportional pressure reducing valve, and because the structure and the principle of the pressure control type steering valve are different from those of a common full hydraulic steering gear or a power steering gear, the tool for testing the performance of the full hydraulic steering gear or the power steering gear cannot be applied to the pressure control type steering valve, and at the present stage, no tool suitable for testing the reliability and the performance characteristics of the pressure control type steering valve is provided, so that the analysis of the response characteristic, the hysteresis characteristic, the control characteristic and the like of the pressure control type steering valve is completed in an auxiliary manner. In addition, a steering angle is measured on the whole vehicle by adopting a corner sensor, the response characteristics of the rotating angle of a steering column and the output pressure of a steering valve can only be measured on the whole vehicle, the steering valve is connected with a steering wheel through the steering column and a transmission shaft, the transmission shaft consists of two universal joints, the steering angle tested through the steering column is the angle converted by the two universal joints, the steering angle is not the same as the steering angle of a spline shaft of the steering valve, and the deviation between the response characteristics of the steering angle of the steering wheel and the output pressure of the steering valve and the response characteristics of the steering angle of the steering valve and the output pressure of the steering valve is analyzed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the tool and the method for testing the reliability and the performance characteristics of the pressure control type steering valve, which have the characteristics of simple structure, reasonable layout, flexible application and the like and can meet the requirements for testing the reliability and the performance characteristics of the pressure control type steering valve.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, a pressure control type steering valve performance characteristic testing tool is provided, which includes: a bracket for mounting a pressure control type steering valve; the first intermediate shaft comprises a first connecting section, a smooth shaft section and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve; the second connecting section is in transmission connection with the steering wheel; the input end of the encoder is fixedly connected with the optical axis section of the first intermediate shaft, and the shell of the encoder is fixed on the bracket through a mounting plate; and the corner tester is arranged on the steering wheel and used for detecting the rotation angle of the steering wheel.
Further, the first connecting section is connected with a rotating shaft of the pressure control type steering valve through a spline; the second connecting section is connected with the steering wheel through a spline.
Furthermore, a longitudinal long round hole and a transverse long round hole are formed in the mounting plate, the mounting plate is connected with the support through the longitudinal long round hole and a bolt, and is connected with the shell of the encoder through the transverse long round hole and the bolt.
In a second aspect, a method for testing performance characteristics of a pressure control type steering valve is provided, where the pressure control type steering valve performance characteristic testing tool according to the first aspect includes: rotating a steering wheel according to given test conditions, wherein the steering wheel drives a rotating shaft of the pressure control type steering valve to rotate through a first intermediate shaft; and collecting and recording a first angle signal output by the encoder, a second angle signal output by the corner tester and a working port pressure output signal of the pressure control type steering valve, and analyzing the performance characteristics of the pressure control type steering valve.
The third aspect provides a pressure control type steering valve reliability test frock, includes: a bracket for mounting a pressure control type steering valve; the first intermediate shaft comprises a first connecting section, a smooth shaft section and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve; the second connecting section is in transmission connection with a steering wheel of the steering motor; and the input end of the encoder is fixedly connected with the optical axis section of the first intermediate shaft, and the shell of the encoder is fixed on the bracket through a mounting plate.
Further, the first connecting section is connected with a rotating shaft of the pressure control type steering valve through a spline; the second connecting section is connected with a steering wheel of the steering motor through a spline.
Furthermore, a longitudinal long round hole and a transverse long round hole are formed in the mounting plate, the mounting plate is connected with the support through the longitudinal long round hole and a bolt, and is connected with the shell of the encoder through the transverse long round hole and the bolt.
In a fourth aspect, a method for testing reliability of a pressure control type steering valve is provided, where the pressure control type steering valve reliability testing tool according to the third aspect includes: the encoder outputs an angle signal to be transmitted to the steering controller, the steering controller judges the steering of the steering motor steering wheel according to whether the steering angle reaches 170 degrees, and when the steering angle reaches 170 degrees, the steering motor steering wheel rotates anticlockwise; the encoder continuously inputs an angle signal to the steering controller, when the steering angle reaches minus 170 degrees, the steering motor steering wheel rotates clockwise, when the steering angle reaches 0 degree, the encoder stops according to a set interval, and then the next circulation is continued; and collecting and recording a first angle signal output by the encoder and a working port pressure output signal of the pressure control type steering valve, and analyzing the reliability of the pressure control type steering valve.
In a fifth aspect, a tool for testing the overall performance characteristics of a pressure control type steering valve is provided, which includes: the pressure control type steering valve mounting seat is used for mounting a pressure control type steering valve; the second intermediate shaft comprises a first connecting section, a smooth shaft section and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve; the second connecting section is in transmission connection with the transmission shaft; the input end of the encoder is fixedly connected with the optical axis section of the second intermediate shaft, and the shell of the encoder is fixed on the pressure control type steering valve mounting seat through a mounting plate; and the corner tester is arranged on the steering wheel and used for detecting the rotation angle of the steering wheel.
Further, the transmission shaft is in transmission connection with the steering wheel through the steering column.
Compared with the prior art, the invention has the following beneficial effects:
(1) the encoder is arranged on the first intermediate shaft directly connected with the rotating shaft of the pressure control type steering valve, so that the angle signal of the rotating shaft of the pressure control type steering valve can be directly acquired, the pressure control type steering valve has the characteristics of simple structure, reasonable layout, flexible application and the like, and the requirements on the reliability and performance characteristic test of the pressure control type steering valve can be met;
(2) the steering motor steering wheel is arranged on the first intermediate shaft, and the steering controller is matched with the steering motor steering wheel to complete the reliability test of the steering valve;
(3) according to the invention, the encoder is arranged on the first intermediate shaft directly connected with the rotating shaft of the pressure control type steering valve, so that the angle signal of the rotating shaft of the pressure control type steering valve can be directly acquired, and the output pressure of the working port of the pressure control type steering valve is acquired in a matching manner, instead of the steering angle of the steering column and the output pressure value of the working port of the steering valve, so that the performance characteristic of the steering valve is more accurately researched;
(4) the invention can be popularized and applied to the whole vehicle, tests the steering angle of the rotating shaft of the steering valve and the output pressure of the working port of the steering valve on the whole vehicle, researches the influence of the steering load on the steering performance, tests the steering system by installing the steering angle tester on the steering wheel, and compares the results of the test on the steering valve by installing the steering angle tester on the steering wheel on a bench test, thereby analyzing the factors influencing the steering performance.
Drawings
FIG. 1 is a schematic diagram of a pressure control type steering valve performance test in a bench test according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the first countershaft of FIG. 1;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a schematic diagram of a pressure control type steering valve performance test in a complete machine test according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of the second countershaft of FIG. 4;
FIG. 6 is an exploded view of FIG. 4;
FIG. 7 is a control diagram of a bench test for reliability testing of a pressure control type diverter valve in accordance with an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
as shown in fig. 1 to 3, a pressure control type steering valve performance characteristic testing tool includes: the pressure control type steering valve comprises a support 1, wherein four mounting holes are processed in the support 1 and used for mounting a pressure control type steering valve 2; the first intermediate shaft 4 comprises a first connecting section, an optical axis section 43 and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve 2; the second connecting section is in transmission connection with the steering wheel 6; the input end of the encoder 2 is fixedly connected with the optical axis section 43 of the first intermediate shaft 4, the shell of the encoder is fixed on the support 1 through the mounting plate 3, the mounting plate 3 is provided with a longitudinal long circular hole 31 and a transverse long circular hole 32, the mounting plate 3 is fixed on the support 1 through the longitudinal long circular hole 31 and a bolt, the encoder 5 is connected with the shell of the encoder 5 through the transverse long circular hole 32 and the bolt, and the encoder 5 is supported on the first intermediate shaft 4; and the rotation angle tester 7 is arranged on the steering wheel 6 and used for detecting the rotation angle of the steering wheel 6.
The first connecting section is provided with an internal spline 41 which is matched and connected with an external spline on a rotating shaft of the pressure control type steering valve 2 through a spline; the second connecting section is provided with an external spline 42 which is matched and connected with an internal spline on the steering wheel 6 through a spline and is fixed through a nut 8, and when the steering wheel 6 rotates, the first intermediate shaft 4 and the steering wheel 6 rotate together; the optical shaft section 43 is fixedly connected with the input end of the encoder 5 (a shaft sleeve in the center of the encoder 5), the optical shaft section 43 penetrates through the shaft sleeve in the center of the encoder 5 and is fixedly connected with the shaft sleeve, and when the first intermediate shaft 4 rotates, the shaft sleeve in the center of the encoder 5 is driven to rotate along with the first intermediate shaft.
The conventional test method can only use a single sensor for testing at each time, and has low working efficiency and no contrast. The measurement of the steering angle by a single sensor is not favorable for carrying out the comparative analysis of the sensor because the sensor has inevitable measurement errors. In this embodiment, the first intermediate shaft 4 is provided with the encoder 5, the steering wheel 6 is provided with the rotation angle tester 7, and the rotation angle of the rotating shaft of the pressure control type steering valve 2 can be measured by using the encoder 5 and the rotation angle tester 7 simultaneously. The encoder is installed on the first intermediate shaft directly connected with the rotating shaft of the pressure control type steering valve, so that the angle signal of the rotating shaft of the pressure control type steering valve can be directly acquired, and meanwhile, the output pressure of the working port of the pressure control type steering valve is acquired in a matched mode instead of the steering angle of the steering column and the output pressure value of the working port of the steering valve, so that the performance characteristic of the research steering valve is more accurate.
The pressure control type steering valve of the embodiment needs to test the relation characteristic between the steering angle of the steering valve rotating shaft and the output pressure of the steering valve, and the steering valve is different from a proportional pressure reducing valve in a conventional full hydraulic steering gear or a power steering gear and only needs to collect an electric control signal and a valve port output pressure signal, so that an angle sensor needs to be arranged on the steering valve rotating shaft, data of the steering valve rotating angle and the valve port output pressure are collected, the response characteristic between the steering angle and the steering valve output pressure is analyzed, and the response characteristic, the hysteresis characteristic, the control characteristic and the like of the steering valve are analyzed.
The embodiment also provides a method for testing the performance characteristics of the pressure control type steering valve, which comprises the following steps: rotating a steering wheel according to given test conditions, wherein the steering wheel drives a rotating shaft of the pressure control type steering valve to rotate through a first intermediate shaft; and collecting and recording a first angle signal output by the encoder, a second angle signal output by the corner tester and a working port pressure output signal of the pressure control type steering valve, and analyzing the performance characteristics of the pressure control type steering valve.
Example two:
based on the design idea of the pressure control type steering valve performance characteristic test tool in the first embodiment, the present embodiment provides a pressure control type steering valve reliability test tool, which includes: a bracket for mounting a pressure control type steering valve; the first intermediate shaft comprises a first connecting section, a smooth shaft section and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve; the second connecting section is in transmission connection with a steering wheel of the steering motor; and the input end of the encoder is fixedly connected with the optical axis section of the first intermediate shaft, and the shell of the encoder is fixed on the support through the mounting plate. The first connecting section is connected with a rotating shaft of the pressure control type steering valve through a spline; the second connecting section is connected with a steering wheel of the steering motor through a spline. The mounting plate is provided with a longitudinal long round hole and a transverse long round hole, is connected with the bracket through the longitudinal long round hole and a bolt, and is connected with the shell of the encoder through the transverse long round hole and the bolt.
In the embodiment, the encoder is arranged on the first intermediate shaft directly connected with the rotating shaft of the pressure control type steering valve, so that the angle signal of the rotating shaft of the pressure control type steering valve can be directly acquired, and the device has the characteristics of simple structure, reasonable layout, flexible application and the like, and can meet the requirements of the reliability and performance characteristic test of the pressure control type steering valve;
the present embodiment also provides a method for testing reliability of a pressure control type steering valve, as shown in fig. 7, including: the encoder outputs an angle signal to be transmitted to the steering controller, the steering controller judges the steering of the steering motor steering wheel according to whether the steering angle reaches 170 degrees, and when the steering angle reaches 170 degrees, the steering motor steering wheel rotates anticlockwise; the encoder continuously inputs an angle signal to the steering controller, when the steering angle reaches minus 170 degrees, the steering motor steering wheel rotates clockwise, when the steering angle reaches 0 degree, the encoder stops according to a set interval, and then the next circulation is continued; and collecting and recording a first angle signal output by the encoder and a working port pressure output signal of the pressure control type steering valve, and analyzing the reliability of the pressure control type steering valve. This embodiment is through installing the steering motor steering wheel on first jackshaft, and supporting steering controller can accomplish the reliability test of turning round the type valve, and this controlling means is reliable, simple, and the installation is portable, easy maintenance.
Example three:
based on the design idea of the pressure control type steering valve performance characteristic testing tool in the first embodiment, the present embodiment provides a pressure control type steering valve complete machine performance characteristic testing tool, as shown in fig. 4 to 6, including: the pressure control type steering valve mounting seat is used for mounting the pressure control type steering valve 2; the second intermediate shaft 9 comprises a first connecting section, an optical axis section 93 and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve 2; the second connecting section is in transmission connection with the transmission shaft 10; the transmission shaft 10 is in transmission connection with the steering wheel 6 through a steering column 11; the input end of the encoder 5 is fixedly connected with the optical axis section 93 of the second intermediate shaft 9, and the shell of the encoder is fixed on the pressure control type steering valve mounting seat through the mounting plate 3; and the rotation angle tester 7 is arranged on the steering wheel 6 and used for detecting the rotation angle of the steering wheel 6.
An internal spline 91 is processed on the first connecting section of the second intermediate shaft 9 and is in matched connection with an external spline on the rotating shaft of the pressure control type steering valve 2 through a spline; an external spline 92 is processed on the second connecting section of the second intermediate shaft 9, the second intermediate shaft is connected with an internal spline on the steering wheel 6 in a spline fit mode and fixed through a nut, and when the steering wheel 6 rotates, the second intermediate shaft 9 and the steering wheel 6 rotate together; the optical axis section 93 is fixedly connected with an input end of the encoder 5 (a shaft sleeve at the center of the encoder 5), the optical axis section 93 penetrates through the shaft sleeve at the center of the encoder 5 and is fixedly connected with the shaft sleeve, and when the first intermediate shaft 4 rotates, the shaft sleeve at the center of the encoder 5 is driven to rotate along with the first intermediate shaft.
In the embodiment, the influence of the steering load on the steering performance is researched by testing the steering angle of the rotating shaft of the steering valve on the whole vehicle and the output pressure of the working port of the steering valve, the steering angle tester 7 is arranged on the steering wheel to test the steering system, and compared with the test result of the steering angle tester 7 arranged on the steering wheel to test the steering valve in the bench test in the embodiment, the factors influencing the steering performance are analyzed.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a pressure control type steering valve performance characteristic test fixture, characterized by includes:
a bracket for mounting a pressure control type steering valve;
the first intermediate shaft comprises a first connecting section, a smooth shaft section and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve; the second connecting section is in transmission connection with the steering wheel;
the input end of the encoder is fixedly connected with the optical axis section of the first intermediate shaft, and the shell of the encoder is fixed on the bracket through a mounting plate;
and the corner tester is arranged on the steering wheel and used for detecting the rotation angle of the steering wheel.
2. The pressure control type steering valve performance characteristic testing tool according to claim 1, wherein the first connecting section is connected with a rotating shaft of the pressure control type steering valve through a spline; the second connecting section is connected with the steering wheel through a spline.
3. The pressure control type steering valve performance characteristic testing tool according to claim 1, wherein a longitudinal oblong hole and a transverse oblong hole are formed in the mounting plate, the mounting plate is connected with the bracket through the longitudinal oblong hole and a bolt, and is connected with a housing of the encoder through the transverse oblong hole and a bolt.
4. A method for testing the performance characteristics of a pressure control type steering valve, which is characterized in that the pressure control type steering valve performance characteristic testing tool set forth in any one of claims 1 to 3 is adopted, and the method comprises the following steps:
rotating a steering wheel according to given test conditions, wherein the steering wheel drives a rotating shaft of the pressure control type steering valve to rotate through a first intermediate shaft;
and collecting and recording a first angle signal output by the encoder, a second angle signal output by the corner tester and a working port pressure output signal of the pressure control type steering valve, and analyzing the performance characteristics of the pressure control type steering valve.
5. The utility model provides a pressure control type steering valve reliability test frock, characterized by includes:
a bracket for mounting a pressure control type steering valve;
the first intermediate shaft comprises a first connecting section, a smooth shaft section and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve; the second connecting section is in transmission connection with a steering wheel of the steering motor;
and the input end of the encoder is fixedly connected with the optical axis section of the first intermediate shaft, and the shell of the encoder is fixed on the bracket through a mounting plate.
6. The pressure control type steering valve reliability testing tool according to claim 5, wherein the first connecting section is connected with a rotating shaft of the pressure control type steering valve through a spline; the second connecting section is connected with a steering wheel of the steering motor through a spline.
7. The pressure control type steering valve reliability testing tool according to claim 5, wherein a longitudinal long circular hole and a transverse long circular hole are formed in the mounting plate, the mounting plate is connected with the support through the longitudinal long circular hole and a bolt, and is connected with a shell of the encoder through the transverse long circular hole and a bolt.
8. A pressure control type steering valve reliability testing method is characterized in that the pressure control type steering valve reliability testing tool set forth in any one of claims 5 to 7 is adopted, and comprises the following steps:
the encoder outputs an angle signal to be transmitted to the steering controller, the steering controller judges the steering of the steering motor steering wheel according to whether the steering angle reaches 170 degrees, and when the steering angle reaches 170 degrees, the steering motor steering wheel rotates anticlockwise; the encoder continuously inputs an angle signal to the steering controller, when the steering angle reaches minus 170 degrees, the steering motor steering wheel rotates clockwise, when the steering angle reaches 0 degree, the encoder stops according to a set interval, and then the next circulation is continued;
and collecting and recording a first angle signal output by the encoder and a working port pressure output signal of the pressure control type steering valve, and analyzing the reliability of the pressure control type steering valve.
9. The utility model provides a pressure control type steering valve complete machine performance characteristic test fixture, characterized by includes:
the pressure control type steering valve mounting seat is used for mounting a pressure control type steering valve;
the second intermediate shaft comprises a first connecting section, a smooth shaft section and a second connecting section which are sequentially arranged, and the first connecting section is in transmission connection with a rotating shaft of the pressure control type steering valve; the second connecting section is in transmission connection with the transmission shaft;
the input end of the encoder is fixedly connected with the optical axis section of the second intermediate shaft, and the shell of the encoder is fixed on the pressure control type steering valve mounting seat through a mounting plate;
and the corner tester is arranged on the steering wheel and used for detecting the rotation angle of the steering wheel.
10. The tool for testing the overall performance characteristics of the pressure control type steering valve according to claim 9, wherein the transmission shaft is in transmission connection with a steering wheel through a steering column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110539127.0A CN113324752A (en) | 2021-05-18 | 2021-05-18 | Pressure control type steering valve reliability and performance characteristic testing tool and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110539127.0A CN113324752A (en) | 2021-05-18 | 2021-05-18 | Pressure control type steering valve reliability and performance characteristic testing tool and method |
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| Publication Number | Publication Date |
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| CN113324752A true CN113324752A (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110539127.0A Pending CN113324752A (en) | 2021-05-18 | 2021-05-18 | Pressure control type steering valve reliability and performance characteristic testing tool and method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010009053A (en) * | 1999-07-07 | 2001-02-05 | 한창수 | Apparatus for testing load property of power steering system of vehicle |
| DE10157527A1 (en) * | 2001-11-23 | 2003-06-05 | Zf Lenksysteme Gmbh | Hydraulic servo-assisted steering system for motor vehicles stores actual valve characteristic curves in groups while preparing flow characteristic curves for a magnetic actuator in a converter to match the valve curves |
| CN201903453U (en) * | 2010-12-25 | 2011-07-20 | 荆州恒隆汽车零部件制造有限公司 | Steering gear and standard performance detection equipment for steering valve |
| CN203629844U (en) * | 2013-11-06 | 2014-06-04 | 重庆纪工汽车动力转向有限公司 | Device for simulating vehicle steering wheel assembly |
| CN203869881U (en) * | 2014-05-05 | 2014-10-08 | 南京农业大学 | Tractor electronic hydraulic steering experimental platform |
| CN107389336A (en) * | 2017-06-08 | 2017-11-24 | 镇江四联机电科技有限公司 | A kind of implementation method of hydraulic steering gear testing stand |
| CN112606903A (en) * | 2021-01-25 | 2021-04-06 | 第一拖拉机股份有限公司 | Mechanical-electrical-hydraulic integrated control crawler tractor steering system |
-
2021
- 2021-05-18 CN CN202110539127.0A patent/CN113324752A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010009053A (en) * | 1999-07-07 | 2001-02-05 | 한창수 | Apparatus for testing load property of power steering system of vehicle |
| DE10157527A1 (en) * | 2001-11-23 | 2003-06-05 | Zf Lenksysteme Gmbh | Hydraulic servo-assisted steering system for motor vehicles stores actual valve characteristic curves in groups while preparing flow characteristic curves for a magnetic actuator in a converter to match the valve curves |
| CN201903453U (en) * | 2010-12-25 | 2011-07-20 | 荆州恒隆汽车零部件制造有限公司 | Steering gear and standard performance detection equipment for steering valve |
| CN203629844U (en) * | 2013-11-06 | 2014-06-04 | 重庆纪工汽车动力转向有限公司 | Device for simulating vehicle steering wheel assembly |
| CN203869881U (en) * | 2014-05-05 | 2014-10-08 | 南京农业大学 | Tractor electronic hydraulic steering experimental platform |
| CN107389336A (en) * | 2017-06-08 | 2017-11-24 | 镇江四联机电科技有限公司 | A kind of implementation method of hydraulic steering gear testing stand |
| CN112606903A (en) * | 2021-01-25 | 2021-04-06 | 第一拖拉机股份有限公司 | Mechanical-electrical-hydraulic integrated control crawler tractor steering system |
Non-Patent Citations (1)
| Title |
|---|
| 尤田: "常流式液压动力转向控制阀性能测试系统设计", 《CNKI优秀硕士学位论文全文库》 * |
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