CN105136455A - Parking rolling bar spring reliability test device and test method - Google Patents
Parking rolling bar spring reliability test device and test method Download PDFInfo
- Publication number
- CN105136455A CN105136455A CN201510676729.5A CN201510676729A CN105136455A CN 105136455 A CN105136455 A CN 105136455A CN 201510676729 A CN201510676729 A CN 201510676729A CN 105136455 A CN105136455 A CN 105136455A
- Authority
- CN
- China
- Prior art keywords
- parking
- electric cylinder
- bar spring
- rolled
- automatic transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a parking rolling bar spring reliability test device and a test method. According to the technical points, the device comprises a first electric cylinder, a second electric cylinder and a mounting plate, wherein the first electric cylinder is connected with a shift handle; the second electric cylinder is connected with a transmission shaft via a gear rack transmission mechanism; and the transmission shaft is mounted on the mounting plate. the method comprises steps: a, a to-be-detected automatic transmission is mounted on the test device; b, the first electric cylinder is firstly started, the shift handle is shifted to a P gear, the parking rolling bar spring is compressed or stretched, the second electric cylinder is started again, the output shaft of the automatic transmission rotates slightly for realizing parking, the parking rolling bar spring is released instantly, the second electric cylinder is started again finally, the output shaft of the automatic transmission rotates slightly for releasing parking, and according to the design strength of the parking rolling bar spring, the test times can be set, and the above operation process is repeated. A real vehicle can be simulated to complete reliability assessment on the parking rolling bar spring, the damage condition of the parking rolling bar spring can be confirmed, and the risk factor and the test cost can be reduced.
Description
Technical field:
The reliability that the invention belongs to automatic transmission stopping mechanism detects, and is specifically related to reliability test and test method that bar spring is rolled in a kind of parking.
Background technology:
Current automatic transmission stopping mechanism test is automatic transmission research and development of new product and designs a ring very important in improvement, and current main experimental means carry out durable reliability examination by real vehicle parking test to automatic transmission stopping mechanism entirety under real vehicle state.Although this kind of mode can test out the reliability of halting mechanism truly, but real vehicle parking test danger coefficient very high, consuming time very long, test cost huge, and real vehicle parking test is the examination to halting mechanism entirety, its examination intensity does not reach the designing requirement that bar spring is rolled in parking, if examined spring monomer separately, the operating mode of real vehicle cannot be simulated again.
Summary of the invention:
The present invention is for overcoming the deficiencies in the prior art, provide reliability test and test method that bar spring is rolled in a kind of parking, it can be simulated real vehicle and complete Reliability Check parking being rolled to bar spring, can realize that bar spring is rolled to parking and treat that parked state is to the Work condition analogue entering engagement from the non-engagement of P shelves, confirm that parking rolls bar spring because discharging the breakage being subject to shock load and causing, it can reduce danger coefficient widely, reduces experimentation cost, shortens test period.
Technical scheme adopted for achieving the above object is:
The reliability test that bar spring is rolled in parking of the present invention comprises the first electric cylinder, the second electric cylinder and installing plate, described first electric cylinder connects gear shifting handle, described second electric cylinder is by rack and pinion drive mechanism connection for transmission axle, and described transmission shaft is installed on a mounting board.
As the further improvement of this test unit, the push rod connection sliding block of described first electric cylinder, described slide block is on the guide rail of level, and the bottom of slide block connects gear shifting handle, promotes slide block and moves, then move gear shifting handle by slide block by the push rod of the first electric cylinder.
As the further improvement of this test unit, the push rod of described second electric cylinder is connected with the tooth bar of rack and pinion drive mechanism, the gear of described rack and pinion drive mechanism is on transmission shaft, described transmission shaft is laterally arranged on the vertical installing plate arranged, and converts the rectilinear motion of the push rod of the second electric cylinder to axially-movable pass to transmission shaft by rack and pinion drive mechanism.
As the further improvement of this test unit, described first electric cylinder is connected with the first controller, and the first electric cylinder is provided with the first displacement transducer, and the first displacement transducer connects the first controller.First controller carries out FEEDBACK CONTROL by the stroke of the first displacement transducer to the first electric cylinder, automatically to control the start and stop of the first electric cylinder.
As the further improvement of this test unit, described second electric cylinder is connected with second controller, and the second electric cylinder is provided with second displacement sensor, and second displacement sensor connects second controller.Second controller carries out FEEDBACK CONTROL by the stroke of second displacement sensor to the second electric cylinder, automatically to control the start and stop of the second electric cylinder.
The reliability test method that bar spring is rolled in parking of the present invention comprises the following steps:
A, automatic transmission to be detected is installed on test unit,
Specifically first the housing of automatic transmission is pressed real vehicle by bolt and carry angle installation on a mounting board, then transmission shaft is directly inserted in the spline of differential mechanism of automatic transmission, finally gear shifting handle is connected with the gearshift control axle of automatic transmission by gear shift cable wire;
B, bar spring rolled to the parking in the halting mechanism of the automatic transmission installed carry out fail-test,
Specifically first at the non-engagement state of the parking gear of halting mechanism, parking is rolled under bar spring is in free release conditions, start the first electric cylinder by the first controller and gear shifting handle is changed to P shelves, parking is made to roll bar spring-compressed or stretching, then the second electric cylinder is started by second controller, the output shaft of automatic transmission is allowed slightly to rotate, thus make the teeth groove of parking gear corresponding with the position of the teeth portion of park pawl, enter engagement, the abrupt release of bar spring is rolled in parking, and then gear shifting handle is changed to R shelves by startup the first electric cylinder, remove parking, last startup again the second electric cylinder slightly rotates by the output shaft of automatic transmission, parking gear is made to get back to disengaged orientation, the design strength of rolling bar spring by parking sets corresponding test cycle number of times and repeats above operating process.
The invention has the beneficial effects as follows: test unit of the present invention is when applying, automatic transmission is pressed real vehicle lift-launch angle fixing on a mounting board, gear shifting handle action is controlled by the first electric cylinder, gear shifting handle is connected with the gearshift control axle of automatic transmission by gear shift cable wire, and such first electric cylinder can realize the control switched automatic transmission P shelves and R shelves, by the second electric cylinder control gear rack gear to-and-fro movement, gear driven transmission shaft in rack and pinion drive mechanism is rotated, transmission shaft directly inserts in the spline of the differential mechanism of automatic transmission, such second electric cylinder can realize the control by certain angle reciprocating rotary of the output shaft of automatic transmission, first electric cylinder and the second electric cylinder are controlled by the first controller and second controller respectively, its sequence of movement and stroke all can set arbitrarily within the specific limits, the design strength requirement that the cycle index of whole test can roll bar spring by parking sets, and the first electric cylinder and the second electric cylinder are all provided with displacement transducer, conveniently FEEDBACK CONTROL is carried out to electric cylinder stroke.Test unit of the present invention does not change parking and rolls the mounting means of bar spring in variator inside, test examination operating mode and real vehicle state consistency, test method of the present invention is consistent with real vehicle parking operation process, thus the simulation realized real vehicle operating mode, reach the effect identical with real vehicle, Reliability Check parking being rolled to bar spring can be completed by this test unit, confirm the breakage that parking is rolled bar spring and caused because discharging the shock load that is subject to, its can warranty test operating mode consistent with real vehicle, required examination intensity can be reached again, danger coefficient can be reduced widely simultaneously, reduce experimentation cost, shorten test period, this test unit working stability is reliable, load and unload easy, rational in infrastructure, cheap.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is principle schematic of the present invention.
Embodiment:
Below in conjunction with Fig. 1 and Fig. 2, the specific embodiment of the present invention is further described:
The reliability test of bar spring is rolled in parking of the present invention, comprise the first electric cylinder 3, second electric cylinder 6 and installing plate 2, the push rod connection sliding block 11 of described first electric cylinder 3, described slide block 11 is on the guide rail 12 of level, the bottom of slide block 11 connects gear shifting handle 4, first electric cylinder 3 is provided with the first displacement transducer, and the first electric cylinder 3 is connected the first controller 9 respectively with the first displacement transducer; The push rod of described second electric cylinder 6 is connected with the tooth bar of rack and pinion drive mechanism 7, the gear of described rack and pinion drive mechanism 7 is on transmission shaft 8, described transmission shaft 8 is laterally arranged on the vertical installing plate 2 arranged, second electric cylinder 6 is provided with second displacement sensor, and the second electric cylinder 6 is connected second controller 10 respectively with second displacement sensor.
The reliability test method that bar spring is rolled in parking of the present invention comprises the following steps:
A, automatic transmission to be detected is installed on test unit,
Specifically first the housing of automatic transmission 1 being carried angle by bolt by real vehicle is arranged on installing plate 2, then transmission shaft 8 is directly inserted in the spline of differential mechanism of automatic transmission 1, finally gear shifting handle 4 is connected with the gearshift control axle 5 of automatic transmission 1 by gear shift cable wire 13;
B, bar spring rolled to the parking in the halting mechanism of the automatic transmission installed carry out fail-test,
Specifically first at the non-engagement state of the parking gear of halting mechanism, parking is rolled under bar spring is in free release conditions, start the first electric cylinder 3 by the first controller 9 and gear shifting handle is changed to P shelves, parking is made to roll bar spring-compressed or stretching, then the second electric cylinder 6 is started by second controller 10, the output shaft of automatic transmission 1 is allowed slightly to rotate, thus make the teeth groove of parking gear corresponding with the position of the teeth portion of park pawl, enter engagement, the abrupt release of bar spring is rolled in parking, and then gear shifting handle is changed to R shelves by startup the first electric cylinder 3, remove parking, the last second electric cylinder 6 that again starts allows the output shaft of automatic transmission slightly rotate, parking gear is made to get back to disengaged orientation, the corresponding test cycle number of times of design strength requirement setting rolling bar spring by parking repeats above operating process.
Claims (6)
1. the reliability test of bar spring is rolled in a parking, it is characterized in that: comprise the first electric cylinder (3), the second electric cylinder (6) and installing plate (2), described first electric cylinder (3) connects gear shifting handle (4), described second electric cylinder (6) is by rack and pinion drive mechanism (7) connection for transmission axle (8), and described transmission shaft (8) is arranged on installing plate (2).
2. the reliability test of bar spring is rolled in a kind of parking as claimed in claim 1, it is characterized in that: the push rod connection sliding block (11) of described first electric cylinder (3), described slide block (11) is on the guide rail (12) of level, and the bottom of slide block (11) connects gear shifting handle (4).
3. the reliability test of bar spring is rolled in a kind of parking as claimed in claim 1, it is characterized in that: the push rod of described second electric cylinder (6) is connected with the tooth bar of rack and pinion drive mechanism (7), the gear of described rack and pinion drive mechanism (7) is on transmission shaft (8), and described transmission shaft (8) is laterally arranged on the vertical installing plate (2) arranged.
4. the reliability test of bar spring is rolled in a kind of parking as claimed in claim 2, it is characterized in that: described first electric cylinder (3) connects the first controller (9), and the first electric cylinder (3) is provided with the first displacement transducer, the first displacement transducer connects the first controller (9).
5. the reliability test of bar spring is rolled in a kind of parking as claimed in claim 3, it is characterized in that: described second electric cylinder (6) connects second controller (10), and the second electric cylinder (6) is provided with second displacement sensor, second displacement sensor connects second controller (10).
6., by the method that the test unit as described in any one of claim 1-5 is tested the reliability that bar spring is rolled in parking, it is characterized in that comprising the following steps:
A, automatic transmission to be detected is installed on test unit,
Specifically first the housing of automatic transmission (1) being carried angle by bolt by real vehicle is arranged on installing plate (2), then transmission shaft (8) is directly inserted in the spline of differential mechanism of automatic transmission (1), finally gear shifting handle (4) is connected with the gearshift control axle (5) of automatic transmission (1) by gear shift cable wire (13);
B, bar spring rolled to the parking in the halting mechanism of the automatic transmission installed carry out fail-test,
Specifically first at the non-engagement state of the parking gear of halting mechanism, parking is rolled under bar spring is in free release conditions, start the first electric cylinder (3) by the first controller (9) and gear shifting handle is changed to P shelves, parking is made to roll bar spring-compressed or stretching, then the second electric cylinder (6) is started by second controller (10), the output shaft of automatic transmission (1) is allowed slightly to rotate, thus make the teeth groove of parking gear corresponding with the position of the teeth portion of park pawl, enter engagement, the abrupt release of bar spring is rolled in parking, and then gear shifting handle is changed to R shelves by startup the first electric cylinder, remove parking, last startup again the second electric cylinder slightly rotates by the output shaft of automatic transmission, parking gear is made to get back to disengaged orientation, the design strength of rolling bar spring by parking sets corresponding test cycle number of times and repeats above operating process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676729.5A CN105136455A (en) | 2015-10-13 | 2015-10-13 | Parking rolling bar spring reliability test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676729.5A CN105136455A (en) | 2015-10-13 | 2015-10-13 | Parking rolling bar spring reliability test device and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105136455A true CN105136455A (en) | 2015-12-09 |
Family
ID=54721886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510676729.5A Pending CN105136455A (en) | 2015-10-13 | 2015-10-13 | Parking rolling bar spring reliability test device and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105136455A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820127A (en) * | 2021-09-22 | 2021-12-21 | 哈尔滨东安汽车发动机制造有限公司 | Method for testing reliability of parking mechanism of automatic transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100235866B1 (en) * | 1997-06-03 | 1999-12-15 | 정몽규 | Endurance testing apparatus for parking brake |
| CN202693300U (en) * | 2011-12-31 | 2013-01-23 | 上海汽车集团股份有限公司 | Parking-mechanism endurance testing platform |
| CN204164337U (en) * | 2014-10-27 | 2015-02-18 | 哈尔滨东安汽车发动机制造有限公司 | A kind of shifting of transmission halting mechanism |
| CN104697792A (en) * | 2015-04-03 | 2015-06-10 | 重庆理工大学 | Fatigue endurance test measuring method for automobile automatic gearbox P-gear parking mechanism |
| CN204439347U (en) * | 2015-03-02 | 2015-07-01 | 盛瑞传动股份有限公司 | AT wheel box halting mechanism performance and durability test apparatus |
-
2015
- 2015-10-13 CN CN201510676729.5A patent/CN105136455A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100235866B1 (en) * | 1997-06-03 | 1999-12-15 | 정몽규 | Endurance testing apparatus for parking brake |
| CN202693300U (en) * | 2011-12-31 | 2013-01-23 | 上海汽车集团股份有限公司 | Parking-mechanism endurance testing platform |
| CN204164337U (en) * | 2014-10-27 | 2015-02-18 | 哈尔滨东安汽车发动机制造有限公司 | A kind of shifting of transmission halting mechanism |
| CN204439347U (en) * | 2015-03-02 | 2015-07-01 | 盛瑞传动股份有限公司 | AT wheel box halting mechanism performance and durability test apparatus |
| CN104697792A (en) * | 2015-04-03 | 2015-06-10 | 重庆理工大学 | Fatigue endurance test measuring method for automobile automatic gearbox P-gear parking mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820127A (en) * | 2021-09-22 | 2021-12-21 | 哈尔滨东安汽车发动机制造有限公司 | Method for testing reliability of parking mechanism of automatic transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108999959B (en) | Device and method for testing automatic gear shifting actuating mechanism of automobile | |
| CN202099241U (en) | Coke pusher applied to 200kg testing coke oven | |
| CN202075117U (en) | LED testing device | |
| CN205317482U (en) | Safety belt belt buckle capability test mechanism | |
| CN105043762A (en) | Fatigue testing machine for gear shift fork | |
| CN104931258A (en) | Isolator performance test bench | |
| CN105136455A (en) | Parking rolling bar spring reliability test device and test method | |
| CN204202870U (en) | Minicar AMT transmission test load simulating device | |
| CN203705160U (en) | Automobile air conditioner control panel button endurance test device | |
| CN102426340A (en) | Test device for circuit board of gear indication lamp of automobile | |
| CN112098084A (en) | Bearing surface detects screening installation | |
| RU114304U1 (en) | SMALL DIAMETER PIPE MOVEMENT DEVICE | |
| CN104014490A (en) | Automatic meter setting and sorting device used for detecting streamline by electric energy meter in automation mode | |
| CN201392262Y (en) | Fatigue strength tester for brake | |
| CN204296091U (en) | The push plate device of trigger squeeze | |
| CN204964319U (en) | Cable test device based on linear electric motor | |
| CN106017939B (en) | A kind of skylight of vehicle experimental method | |
| CN204964180U (en) | Shifting fork fatigue testing machine | |
| CN203629815U (en) | Testing tool for clutch booster cylinder | |
| CN202393895U (en) | Tester of gear indication lamp circuit board of automobile | |
| CN203476684U (en) | Automatic gearbox electronic pump testing device | |
| CN203380285U (en) | Rivet machine with controllable torque | |
| CN203249767U (en) | A chain tensile parameter testing apparatus | |
| CN203310550U (en) | Planetary gear reducer input shaft torque test bench | |
| CN102974570B (en) | Gear rack type power steering gear automatic oil extraction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151209 |
|
| WD01 | Invention patent application deemed withdrawn after publication |