CN108318247A - A kind of halting mechanism durability test apparatus - Google Patents
A kind of halting mechanism durability test apparatus Download PDFInfo
- Publication number
- CN108318247A CN108318247A CN201810129444.3A CN201810129444A CN108318247A CN 108318247 A CN108318247 A CN 108318247A CN 201810129444 A CN201810129444 A CN 201810129444A CN 108318247 A CN108318247 A CN 108318247A
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- chamber
- compressed air
- air source
- control unit
- cylinder
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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
- G01M13/02—Gearings; Transmission mechanisms
-
- 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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of halting mechanism durability test apparatus, including compressed air source unit, circuit control unit and cylinder, the cylinder is separated into first chamber and second chamber by piston, the compressed air source unit is connected to by the first pipeline with the first chamber, the compressed air source unit is connected to by the second pipeline with the second chamber, the shift lever that the telescopic rod of the cylinder stretches out the second chamber and halting mechanism connects, and the circuit control unit is used to control the connection or cut-out of the compressed air source unit and the first chamber either second chamber；The halting mechanism durability test apparatus of the present invention drives shift lever to carry out multiple back and forth movement, the case where shift lever is used by multi-pass operation can be effectively simulated, to test the durability of shift lever by the way that cylinder is arranged.
Description
Technical field
The present invention relates to the experimental technique field of automobile, especially a kind of halting mechanism durability test apparatus.
Background technology
P is kept off, i.e. parking is kept off, and main function is for parking cars, and operation principle is when the shift lever of parking gear is placed in
When the position, gearbox is locked, is similar to wheel and is fixed together with vehicle body, wheel can not rotate.
Since the use of parking gear is more frequent, and when parking is durable, need constantly to hang up and win shift lever,
By prolonged use, the shift lever in gearbox is it is possible that the case where wearing excessive or fatigue failure.Therefore, exist
In the development process of gearbox, the durability of the shift lever of halting mechanism is the factor that must take into consideration.
It is therefore desirable to provide a kind of halting mechanism durability test apparatus, the shift lever to detect halting mechanism can pass through
Repetitive operation number.
Invention content
The object of the present invention is to provide a kind of halting mechanism durability test apparatus, to solve halting mechanism in the prior art
Shift lever the deficiency of abrasion or fatigue failure is easy tod produce in the case where working long hours, it can simulate the shift of halting mechanism
The nonexpondable operating mode of bar, to detect the durability of the shift lever of halting mechanism.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of halting mechanism durability test apparatus, including compressed air source unit, circuit control unit and cylinder, the cylinder are lived
Plug is separated into first chamber and second chamber, and the compressed air source unit is connected to by the first pipeline with the first chamber, the gas
Source device is connected to by the second pipeline with the second chamber, and the telescopic rod of the cylinder stretches out the second chamber and parking machine
The shift lever of structure connects；The circuit control unit is for controlling the compressed air source unit and the first chamber or described second
Chamber or cut-out.
Preferably, further include pressure control unit, the pressure control unit is set to the compressed air source unit and the circuit
Between control unit, the pressure control unit is used to control the outlet pressure of the compressed air source unit.
Preferably, further include limit switch, the limit switch is set to the both ends of the cylinder, and the limit switch is used for
It obtains the displacement of the piston and sends a signal to the circuit control unit.
Preferably, the limit switch is magnetic switch, and the both ends of the piston are equipped with magnet ring.
Preferably, further include connecting component, the connecting component is set between the telescopic rod and the shift lever, described
Connecting component includes the first connector and the second connector, first connector one end and the telescopic rod vertical connection, separately
One end and the second connector vertical connection, second connector are retractable structure, and second connector can be along institute
State the length direction sliding of the first connector.
Preferably, the circuit control unit includes 2/2-way reversal valve, and the 2/2-way reversal valve is set to described
Between compressed air source unit and the cylinder, when the 2/2-way reversal valve is in left position, the compressed air source unit passes through described first
Pipeline is connected to the first chamber, and when the 2/2-way reversal valve is in right position, the compressed air source unit passes through described second
Pipeline is connected to the second chamber.
Preferably, the pressure control unit includes pressure-control valve.
Preferably, further include counter, the counter is set on the cylinder, and the counter is for obtaining the gas
Cylinder moves back and forth number and sends a signal to the circuit control unit.
The beneficial effects of the present invention are：
The present invention provides a kind of halting mechanism durability test apparatus, including compressed air source unit, circuit control unit and cylinder,
The cylinder is separated into first chamber and second chamber by piston, and the compressed air source unit passes through the first pipeline and the first chamber
Connection, the compressed air source unit are connected to by the second pipeline with the second chamber, and the telescopic rod of the cylinder stretches out described second
The shift lever of chamber and halting mechanism connects, and circuit control unit is for controlling the compressed air source unit and the first chamber
The either connection or cut-out of the second chamber；The halting mechanism durability test apparatus of the present invention is driven by the way that cylinder is arranged
Shift lever carries out multiple back and forth movement, can effectively simulate the case where shift lever is used by multi-pass operation, to which test is changed
The durability of bar.
Description of the drawings
Fig. 1 is the first structure schematic diagram of halting mechanism durability test apparatus provided in an embodiment of the present invention；
Fig. 2 is the second structural schematic diagram of halting mechanism durability test apparatus provided in an embodiment of the present invention；
Fig. 3 is the circuit controling drawing of halting mechanism durability test apparatus provided in an embodiment of the present invention.
Reference sign：
1- compressed air source units, the circuits 2- control unit, 3- first chambers, 4- second chambers, 5- halting mechanisms, the control of 6- pressure
Unit, 7- limit switches, the first normally open end of the second relays of 11-, the second relay coils of 12-, 13- release the button, 14- second
The second normally open end of relay, the first normally open end of 15- thirds relay, the 4th relay normal-closed ends of 16-, 17- third relay lines
Circle, the first limit switches of 18-, the second limit switches of 19-, 20- counters, the 4th relay coils of 21-, 22- third relays
Second normally open end, 23- reversal valves.
Specific implementation mode
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and cannot be construed to
Limitation of the present invention.
As shown in Figure 1, a kind of halting mechanism durability test apparatus of the embodiment of the present invention, including compressed air source unit 1, circuit control
Unit 2 and cylinder processed, the cylinder are separated into first chamber 3 and second chamber 4 by piston, and the compressed air source unit 1 passes through first
Pipeline is connected to the first chamber 3, and the compressed air source unit 1 is connected to by the second pipeline with the second chamber 4, the cylinder
Telescopic rod stretch out the second chamber 4 and connect with the shift lever of halting mechanism 5；The circuit control unit 2 is for controlling institute
Stating compressed air source unit 1, either the second chamber 4 is connected to or cuts off with the first chamber 3.
The application method of the embodiment of the present invention is：Compressed air source unit 1 is first by the control of circuit control unit 2, by
One pipeline is connected to first chamber 3, and the pressed gas of compressed air source unit 1 is entered therewith in first chamber 3, pushes piston to one
Direction moves, while the telescopic rod of cylinder is also pushed towards the direction, and the shift lever of halting mechanism 5 is driven to be moved towards the direction,
Until the telescopic rod of cylinder runs to extreme position in this direction, control of the subsequent compressed air source unit 1 in circuit control unit 2
Under, the connection of cut-out and first chamber 3 is changed to be connected to second chamber 4 by the second pipeline, and the pressure of compressed air source unit 1 enters
Into second chamber 4, piston is pushed to be moved to another direction, the telescopic rod of synchronous drive cylinder is moved towards the direction, band
The shift lever of dynamic halting mechanism 5 is also moved towards the direction, until the telescopic rod of cylinder moves to extreme position in this direction,
With this reciprocation cycle, the nonexpondable working condition of shift lever is simulated, test shift lever is worn after how many times repeat
Or fatigue failure；By aforesaid operations step it is found that the halting mechanism durability test apparatus of the present invention, is driven by the way that cylinder is arranged
Shift lever carries out multiple back and forth movement, can effectively simulate the case where shift lever is used by multi-pass operation, to which test is changed
The durability of bar.
Further, the embodiment of the invention also includes pressure control unit 6, the pressure control unit 6 is set to the gas
Between source device 1 and the circuit control unit 2, the pressure control unit 6 is used to control the outlet pressure of the compressed air source unit 1
Power.Effective adjustment that the outlet pressure of compressed air source unit 1 may be implemented by pressure control unit 6, to control the flexible of cylinder
Bar drives the movement speed of the shift lever of halting mechanism 5, truer simulation practical operation.
Preferably, the embodiment of the invention also includes limit switch 7, the limit switch 7 is set to the both ends of the cylinder, packet
The first limit switch 18 and the second limit switch 19 are included, the displacement that the limit switch 7 is used to obtain the piston is concurrently delivered letters
Number to the circuit control unit 2.The limit switch 7 is preferably provided on the outer wall of cylinder barrel, the center about cylinder
Plane is symmetrical arranged.
Specifically, the limit switch 7 is preferably magnetic switch, and the both ends of the piston are equipped with magnet ring.Limit switch 7 is logical
The signal comprising the information is sent out to determine the displacement and direction of displacement of piston the position for the magnet ring crossed on induction piston
It send to circuit control unit 2, control foundation is provided for circuit control unit 2.For example, when limit switch 7 detects that piston moves
When to setting position, which can be sent to circuit control unit 2, after circuit control unit 2 receives the signal, meeting
The pipeline and chamber of the transformation connection of compressed air source unit 1 are controlled, so that telescopic rod is resetted and moved towards another direction.
In order to facilitate Telescopic-cylinder bar and the shift lever of halting mechanism 5 connection, reduce the limitation to the position of the two and
It is required that the embodiment of the present invention further preferably includes connecting component, the connecting component be set to the telescopic rod and the shift lever it
Between, the connecting component includes the first connector and the second connector, and first connector one end is vertical with the telescopic rod
Connection, the other end and the second connector vertical connection, second connector are retractable structure, second connector
It can be slided along the length direction of first connector.In this way, by adjusting the second connector relative to the first connector along long
Spend direction on position, and adjustment the second connector length, can in the horizontal direction on vertical direction to telescopic rod with
The link position of shift lever is adjusted, so that overall structure is more flexible.
In one embodiment, as shown in Fig. 2, the circuit control unit 2 includes 2/2-way reversal valve, described two
Two logical reversal valves are set between the compressed air source unit 1 and the cylinder, when the 2/2-way reversal valve is in left position, the gas
Source device 1 is connected to by first pipeline with the first chamber 3, described when the 2/2-way reversal valve is in right position
Compressed air source unit 1 is connected to by second pipeline with the second chamber 4.The 2/2-way reversal valve is preferably arranged to two
Two electric change valves provide the degree of automation of single unit system to realize control of which.
In addition, the pressure control unit 6 preferably includes pressure-control valve.Pressure control unit 6 can also be selected as two
Two energization magnetic pressure force control valves of position, to be conveniently operated and control.
Further, the embodiment of the present invention further preferably includes counter 20, and the counter 20 is set on the cylinder,
The counter 20 is for obtaining moving back and forth number and sending a signal to the circuit control unit 2 for the cylinder.It is preferred that
The number that moves back and forth for the cylinder that the counting device obtains is shown by display, it should with more convenient or direct reading
Registration.
In another embodiment, as shown in figure 3, the control circuit of the halting mechanism durability test apparatus for the present invention
Figure, when work, which presses, releases the button 13, and the second relay coil 12 is powered on, then second the first normally open end of relay 11 and the
Two the second normally open ends of relay 14 are closed, since the second normally open end of third relay 22 is in the state disconnected, at this time reversal valve
23 are in left position, and the compressed air source unit 1 is connected to by first pipeline with the first chamber 3, and cylinder drives parking structure 5
It is moved to 19 direction of the second limit switch, when cylinder moves in place, the second limit switch 19 is closed, and third relay coil is made
17 are powered on, while the first normally open end of third relay 15 and the second normally open end of third relay 22 are closed, along with
The closure of three the second normally open ends of relay 22, reversal valve 23 are powered, and the state of reversal valve 23 is switched to right position, the gas by left position
Source device 1 is connected to by second pipeline with the second chamber 4, and the pressed gas in air source makes gas pressure by pressure valve
Power is stablized, and then goes through in second chamber 4, pusher cylinder inverted running, when cylinder runs to the first limit switch 18, the
One limit switch 18 is closed, and counter 20 is accumulative to add 1, and the 4th relay coil 21 is powered on, the 4th relay normal-closed end 16
It disconnects once, so that the power-off commutation of reversal valve 23, repetition is run back and forth, realize the endurance test of halting mechanism 5.
The structure, feature and effect of the present invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range, every structure according to the present invention shown in drawing
Change made by thinking, or is revised as the equivalent embodiment of equivalent variations, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (8)
1. a kind of halting mechanism durability test apparatus, which is characterized in that gentle including compressed air source unit (1), circuit control unit (2)
Cylinder, the cylinder are separated into first chamber (3) and second chamber (4) by piston, the compressed air source unit (1) by the first pipeline with
First chamber (3) connection, the compressed air source unit (1) are connected to by the second pipeline with the second chamber (4), the cylinder
Telescopic rod stretch out the second chamber (4) and connect with the shift lever of halting mechanism (5)；
The circuit control unit (2) is for controlling the compressed air source unit (1) and the first chamber (3) or second chamber
Room (4) is connected to or cut-out.
2. halting mechanism durability test apparatus according to claim 1, which is characterized in that further include pressure control unit
(6), the pressure control unit (6) is set between the compressed air source unit (1) and the circuit control unit (2), the pressure
Control unit (6) is used to control the outlet pressure of the compressed air source unit (1).
3. halting mechanism durability test apparatus according to claim 1, which is characterized in that further include limit switch (7), institute
The both ends that limit switch (7) is set to the cylinder are stated, the displacement that the limit switch (7) is used to obtain the piston is concurrently delivered letters
Number to the circuit control unit (2).
4. halting mechanism durability test apparatus according to claim 3, which is characterized in that the limit switch (7) is magnetic
Property switch, the both ends of the piston are equipped with magnet ring.
5. halting mechanism durability test apparatus according to claim 1, which is characterized in that further include connecting component, it is described
Connecting component is set between the telescopic rod and the shift lever, and the connecting component includes the first connector and the second connection
Part, first connector one end and the telescopic rod vertical connection, the other end and the second connector vertical connection, it is described
Second connector is retractable structure, and second connector can be slided along the length direction of first connector.
6. halting mechanism durability test apparatus according to claim 1, which is characterized in that the circuit control unit (2)
Including 2/2-way reversal valve, the 2/2-way reversal valve is set between the compressed air source unit (1) and the cylinder, and described two
When two logical reversal valves of position are in left position, the compressed air source unit (1) is connected to by first pipeline with the first chamber (3),
When the 2/2-way reversal valve is in right position, the compressed air source unit (1) passes through second pipeline and the second chamber (4)
Connection.
7. halting mechanism durability test apparatus according to claim 2, which is characterized in that the pressure control unit (6)
Including pressure-control valve.
8. halting mechanism durability test apparatus according to claim 1, which is characterized in that further include counter (20), institute
Counter (20) is stated on the cylinder, the counter (20) is for obtaining moving back and forth number and sending for the cylinder
Signal is to the circuit control unit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129444.3A CN108318247B (en) | 2018-02-08 | 2018-02-08 | A kind of halting mechanism durability test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129444.3A CN108318247B (en) | 2018-02-08 | 2018-02-08 | A kind of halting mechanism durability test apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108318247A true CN108318247A (en) | 2018-07-24 |
| CN108318247B CN108318247B (en) | 2019-12-03 |
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ID=62902416
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810129444.3A Active CN108318247B (en) | 2018-02-08 | 2018-02-08 | A kind of halting mechanism durability test apparatus |
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| Country | Link |
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| CN (1) | CN108318247B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707463A (en) * | 2020-06-29 | 2020-09-25 | 中车青岛四方车辆研究所有限公司 | Valve fatigue test equipment, circuit system and test method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2743097Y (en) * | 2004-05-31 | 2005-11-30 | 东南大学 | Seven link lever bifreedom closed chain gear shift mechanical hand |
| CN105114617A (en) * | 2015-08-27 | 2015-12-02 | 天津市松正电动汽车技术股份有限公司 | Gear selecting executing mechanism of speed changing box and gear selecting method |
-
2018
- 2018-02-08 CN CN201810129444.3A patent/CN108318247B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2743097Y (en) * | 2004-05-31 | 2005-11-30 | 东南大学 | Seven link lever bifreedom closed chain gear shift mechanical hand |
| CN105114617A (en) * | 2015-08-27 | 2015-12-02 | 天津市松正电动汽车技术股份有限公司 | Gear selecting executing mechanism of speed changing box and gear selecting method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707463A (en) * | 2020-06-29 | 2020-09-25 | 中车青岛四方车辆研究所有限公司 | Valve fatigue test equipment, circuit system and test method |
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| Publication number | Publication date |
|---|---|
| CN108318247B (en) | 2019-12-03 |
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