CN103323235B - A kind of Synchromous device of gearbox gearshift testing stand - Google Patents
A kind of Synchromous device of gearbox gearshift testing stand Download PDFInfo
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- CN103323235B CN103323235B CN201310234862.6A CN201310234862A CN103323235B CN 103323235 B CN103323235 B CN 103323235B CN 201310234862 A CN201310234862 A CN 201310234862A CN 103323235 B CN103323235 B CN 103323235B
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- gear
- industrial computer
- gearshift
- change speed
- gear box
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Abstract
The invention discloses a kind of Synchromous device of gearbox gearshift testing stand, including the digital input template, industrial computer, frequency conversion motor and the change speed gear box that are sequentially connected, change speed gear box is provided with the speed probe and displacement transducer being connected with industrial computer；Numeral input template is for inputting gear information to industrial computer, and gear information includes initial gear and block selecting gear, and block selecting gear includes the first gear and second gear of gear switching to be carried out；Displacement transducer is for measuring distance L between the block selecting gear of change speed gear box and initial gear, and measurement result is transferred to industrial computer；After industrial computer receives above-mentioned gear information and distance L, first control change speed gear box and operate to initial gear；Then according to the feedback information of speed probe, control change speed gear box and switch between the first gear and the second gear.The present invention is capable of automatic block selecting, solves the problem that test program is complicated, labor intensity is big brought in prior art due to artificial block selecting.
Description
Technical field
The present invention relates to lock unit technical field, particularly to a kind of Synchromous device of gearbox gearshift testing stand.
Background technology
Change speed gear box refers to the box parts equipped with gear, also known as variator, is can to fix or a point gear changes output shaft and defeated
Enter the gear drive of through-drive ratio, owing to transmission input shaft rotates with respective speed with output shaft, deposit during conversion gear
" synchronization " problem, two different gears of rotary speed engage by force and impact will necessarily occur, and damage gear,
It is thus desirable to Synchromous device of gearbox will reach consistent rotating speed and engage smoothly by meshed gears.
Assessment for the service life of Synchromous device of gearbox is typically carried out on Synchromous device of gearbox testing stand, by simulation speed change
Case lock unit gear shifting action (such as makes change speed gear box carry out time switching continuously between a gear and two gears), tests gearbox synchronous gear
The shift speed of device, dynamics of shifting gears, stroke of shifting gears, thus the performance and used life of Synchromous device of gearbox is estimated.
Refer to Fig. 1, Fig. 1 is Synchromous device of gearbox gear positions schematic diagram.
As shown in Figure 1: if selecting change speed gear box to switch between a gear and two gears, then when test starts, first need
From initial gear N, change speed gear box is kept off (neutral) to hang to a gear, then could start to switch between a gear and two gears.By
Different in the gear positions of each change speed gear box, therefore distance L between itself and N gear is the most different.If changing change speed gear box
After, carry out block selecting according further to original distance, it will the problem occurring putting into gear.Therefore, change change speed gear box to be required for every time
Distance between the gear positions of this change speed gear box of manual measurement and N gear, then resets block selecting position by this distance, with
Just this can be put into gear when measuring smoothly.In prior art, the mode of this artificial block selecting makes test program complicated, also increases simultaneously
Add the labor intensity of test man.
Therefore, how to overcome Synchromous device of gearbox in process of the test, the test program brought due to artificial block selecting is complicated, work
The problem that intensity is big, is that those skilled in the art need badly and solve the technical problem that.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is for providing a kind of Synchromous device of gearbox gearshift testing stand, it is possible to overcome
The test program that Synchromous device of gearbox brings due to artificial block selecting is complicated, and the problem that labor intensity is big.
For solving above-mentioned technical problem, the invention provides a kind of Synchromous device of gearbox gearshift testing stand, it is characterised in that include
Digital input template, industrial computer, frequency conversion motor and the change speed gear box being sequentially connected, described change speed gear box is provided with sensor, institute
State sensor and include that speed probe and displacement transducer, described sensor are connected with described industrial computer；
Described numeral input template is for inputting gear information to industrial computer, and described gear information includes initial gear and block selecting
Gear, described block selecting gear includes the first gear and second gear of gear switching to be carried out；
Distance L that institute's displacement sensors is used between the block selecting gear to described change speed gear box and initial gear measures, and will
Measurement result is transferred to described industrial computer；
After described industrial computer receives described gear information and described distance L, first control the operating of described change speed gear box to initial gear
Position；Then according to the feedback information of described speed probe, control described change speed gear box and carry out between the first gear and the second gear
Switching.
Preferably, in above-mentioned Synchromous device of gearbox gearshift testing stand, described industrial computer controls described change speed gear box and operates to initial gear
After, sending instruction of putting into gear, the rotating speed of change speed gear box is measured and measurement signal is transferred to described industry control by described speed probe
Machine；Described industrial computer receives and processes the measurement signal of described speed probe, it may be judged whether meet condition of putting into gear, when satisfied extension
During blend stop part, according to distance L of institute's displacement sensors feedback, control described Synchromous device of gearbox and hang to the first gear；
Then sending switching command, the rotating speed of change speed gear box is measured and is transferred to by measurement signal described by described speed probe
Industrial computer；Described industrial computer receives and processes the measurement signal of described speed probe, it may be judged whether meet gear switching condition,
When meeting switching condition, described industrial computer control described frequency conversion motor drive the shifting-position mechanism of change speed gear box at described first gear and
Switch between second gear.
Preferably, in above-mentioned Synchromous device of gearbox gearshift testing stand, also include that the gearshift parameter being arranged on described shifting-position mechanism passes
Sensor, described gearshift parameter sensors is connected with described industrial computer, shift speed, gearshift dynamics and the gearshift row to shifting-position mechanism
Journey measures and measurement signal is transferred to industrial computer, and described industrial computer receives and process the measurement of described gearshift parameter sensors
Signal, generates gearshift parameter curve.
Preferably, in above-mentioned Synchromous device of gearbox gearshift testing stand, described speed probe and described gearshift parameter sensors are the most logical
Cross high-speed data acquisition card to be connected with described industrial computer.
Preferably, in above-mentioned Synchromous device of gearbox gearshift testing stand, display and the printer being connected with described industrial computer is also included.
Preferably, in above-mentioned Synchromous device of gearbox gearshift testing stand, the alarm being connected with described industrial computer, described report are also included
Alert utensil has secondary alarm function.
Preferably, in above-mentioned Synchromous device of gearbox gearshift testing stand, described speed probe and described gearshift parameter sensors are
Fibre Optical Sensor.
Relative to prior art, the solution have the advantages that:
Digital input template that the Synchromous device of gearbox gearshift testing stand that the present invention provides includes being sequentially connected, industrial computer, variable-frequency electric
Machine and change speed gear box, change speed gear box is provided with the speed probe and displacement transducer being connected with industrial computer；Wherein numeral input mould
Plate is for inputting gear information to industrial computer, and gear information includes initial gear and block selecting gear, and block selecting gear includes entering
First gear of row gear switching and the second gear；Displacement transducer is between block selecting gear and the initial gear to change speed gear box
Distance L measures, and measurement result is transferred to industrial computer；After industrial computer receives above-mentioned gear information and distance L, first
First control above-mentioned change speed gear box to operate to initial gear；Then according to the feedback information of speed probe, control change speed gear box in first gear
Switch between position and the second gear.
During work, only need to input gear information on numeral input template, industrial computer can be according to this gear information, command displacement
Distance L between block selecting gear and the initial gear of change speed gear box is measured by sensor, and measurement result is transferred to industry control
Machine, industrial computer just can accurately control change speed gear box according to this distance L and hang to default block selecting gear from initial gear smoothly, then
Gearshift test is carried out smoothly between two block selecting gears.
In sum, the Synchromous device of gearbox gearshift testing stand that the present invention provides, it is possible to realize automatic block selecting, efficiently solve change
Speed case lock unit in process of the test, the problem that the test program brought due to artificial block selecting is complicated, labor intensity is big.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or prior art
In description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only the reality of the present invention
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to provide
Figure obtains other accompanying drawing.
Fig. 1 is Synchromous device of gearbox gear positions schematic diagram；
The operating diagram of the Synchromous device of gearbox gearshift testing stand that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
The core of the present invention is for providing a kind of Synchromous device of gearbox gearshift testing stand, it is possible to overcome Synchromous device of gearbox due to manually
The test program that block selecting brings is complicated, and the problem that labor intensity is big.
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with the accompanying drawings and specific embodiment
The present invention is described in further detail.Obviously, described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Refer to the operating diagram of the Synchromous device of gearbox gearshift testing stand that Fig. 2, Fig. 2 provide for the embodiment of the present invention.
As in figure 2 it is shown, what the Synchromous device of gearbox gearshift testing stand that the embodiment of the present invention provides the present invention to provide included being sequentially connected
Numeral input template, industrial computer, frequency conversion motor and change speed gear box, change speed gear box is provided with the speed probe being connected with industrial computer
And displacement transducer；Wherein numeral input template for by gear information input to industrial computer, gear information include initial gear with
And block selecting gear, block selecting gear includes the first gear and second gear of gear switching to be carried out；Displacement transducer is for speed change
Distance L between block selecting gear and the initial gear of case measures, and measurement result is transferred to industrial computer；Industrial computer receives
After above-mentioned gear information and distance L, first control above-mentioned change speed gear box and operate to initial gear；Then according to speed probe
Feedback information, controls change speed gear box and switches between the first gear and the second gear.
During work, only need to input gear information on numeral input template, industrial computer can be according to this gear information, command displacement
Distance L between block selecting gear and the initial gear of change speed gear box is measured by sensor, and measurement result is transferred to industry control
Machine, industrial computer just can accurately control change speed gear box according to this distance L and hang to default block selecting gear from initial gear smoothly, then
Gearshift test is carried out smoothly between two block selecting gears.
In sum, the Synchromous device of gearbox gearshift testing stand that the present invention provides, it is possible to realize automatic block selecting, efficiently solve change
Speed case lock unit in process of the test, the problem that the test program brought due to artificial block selecting is complicated, labor intensity is big.The most also
Decrease the artificial error frequently set so that the data of test are more accurately and reliably.
Specifically, industrial computer controls change speed gear box and operates to initial gear, sends instruction of putting into gear, and speed probe is to change speed gear box
Rotating speed measures and measurement signal is transferred to industrial computer, and industrial computer receives and process the measurement signal of speed probe, it is judged that
Whether meet condition of putting into gear, when meet put into gear condition time, the block selecting gear fed back according to upper displacement sensors and initial gear it
Between distance L, control Synchromous device of gearbox hang to the first gear；Then industrial computer sends switching command, and speed probe is to change
The rotating speed of speed case measures, and measurement signal is transferred to industrial computer, and industrial computer receives and process the measurement letter of speed probe
Number, and judge whether to meet gear switching condition, when meeting gear switching condition, industrial computer controls frequency conversion motor and drives speed change
The shifting-position mechanism of case switches between the first gear and the second gear.
In order to optimize above-mentioned technique effect further, in the present invention, also include the gearshift parameter sensors being arranged on change speed gear box,
This gearshift parameter sensors is connected with industrial computer, measures shift speed, gearshift dynamics and the gearshift stroke of shifting-position mechanism also
Measurement signal is transferred to industrial computer, and industrial computer receives and processes the measurement signal of gearshift parameter sensors, generates gearshift parameter bent
Line.Thus realize shift speed time Synchromous device of gearbox shift gears, gearshift dynamics and stroke Real-time Feedback of shifting gears to industrial computer,
And record gearshift parameter curve, it is judged that gearshift effect.
Further, above-mentioned speed probe is all connected with industrial computer by high-speed data acquisition card with gearshift parameter sensors.
In the present invention, the output signal of all the sensors is all standard signal, therefore, and rotating speed, torsion rotating speed, shift speed, gearshift
Dynamics and the gearshift isoparametric measurement of stroke all use high-speed data acquisition card；The functions such as parameter curve record of simultaneously shifting gears use mark
Quasi-software kit, sampling period 1ms, it is possible to fully meet the requirement of instantaneous measurement.Can not only Real-time Collection block selecting displacement, block selecting
Power, gearshift displacement, gear shifting force, rotating speed, and can be in the hope of the gearshift of two block selecting gears (the first gear and the second gear)
Displacement, gear shifting force, rotating speed drop, enter the gear time, circulation time, cycle-index, gearbox oil temperature, operation cumulative time (this
Secondary and accumulative).The preserving type of data and curve supports plain text format.
Present invention additionally comprises the display and printer being connected with industrial computer, the gearshift parameter curve that i.e. industrial computer draws can be straight
It is connected on display and shows, or printed by printer.
Further, in the present invention, also including the alarm being connected with above-mentioned industrial computer, this alarm has secondary alarm merit
Energy.Specifically including: one-level off-limit alarm, industrial computer controls eye-catching text prompt occur on display, and system is failure to actuate, and needs
Manpower intervention processes；Two grades of off-limit alarms, industrial computer controls alarm and provides alarm signal, and directly controls shifting-position mechanism
Stop gear shifting action, control frequency conversion motor simultaneously and shut down.
In the present invention, above-mentioned speed probe and gearshift parameter sensors are Fibre Optical Sensor.Fibre Optical Sensor has location
Accurately, the advantage such as the fastest.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other embodiments
Difference, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.Herein
Applying specific case to be set forth principle and the embodiment of the present invention, the explanation of above example is only intended to help reason
Solve method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, without departing from
On the premise of the principle of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and modification also falls into the present invention
In scope of the claims.
Claims (7)
1. a Synchromous device of gearbox gearshift testing stand, it is characterised in that include digital input template, the industry control being sequentially connected
Machine, frequency conversion motor and change speed gear box, described change speed gear box is provided with sensor, and described sensor includes speed probe and displacement
Sensor, described sensor is connected with described industrial computer；
Described numeral input template is for inputting gear information to industrial computer, and described gear information includes initial gear and block selecting
Gear, described block selecting gear includes the first gear and second gear of gear switching to be carried out；
Industrial computer, according to this gear information, controls institute's displacement sensors between the block selecting gear of described change speed gear box and initial gear
Distance L measure, and measurement result is transferred to described industrial computer；
After described industrial computer receives described gear information and described distance L, first control the operating of described change speed gear box to initial gear
Position；Described industrial computer controls change speed gear box according to described distance L, is suspended to the block selecting gear preset from initial gear, then according to institute
State the feedback information of speed probe, control described change speed gear box and switch between the first gear and the second gear.
Synchromous device of gearbox the most according to claim 1 gearshift testing stand, it is characterised in that described industrial computer controls institute
State change speed gear box operating to after initial gear, send instruction of putting into gear, described speed probe the rotating speed of change speed gear box is measured and incite somebody to action
Measure signal and be transferred to described industrial computer；Described industrial computer receives and processes the measurement signal of described speed probe, it may be judged whether
Meet and put into gear condition, when meet put into gear condition time, according to distance L of institute's displacement sensors feedback, control described change speed gear box with
Step device is hung to the first gear；
Then sending switching command, the rotating speed of change speed gear box is measured and is transferred to by measurement signal described by described speed probe
Industrial computer；Described industrial computer receives and processes the measurement signal of described speed probe, it may be judged whether meet gear switching condition,
When meeting switching condition, described industrial computer control described frequency conversion motor drive the shifting-position mechanism of change speed gear box at described first gear and
Switch between second gear.
Synchromous device of gearbox the most according to claim 1 gearshift testing stand, it is characterised in that also include being arranged on gear
Gearshift parameter sensors in mechanism, described gearshift parameter sensors is connected with described industrial computer, to the shift speed of shifting-position mechanism,
Gearshift dynamics and gearshift stroke measure and measurement signal are transferred to industrial computer, and described industrial computer receives and process described gearshift
The measurement signal of parameter sensors, generates gearshift parameter curve.
Synchromous device of gearbox the most according to claim 3 gearshift testing stand, it is characterised in that described speed probe and
Described gearshift parameter sensors is all connected with described industrial computer by high-speed data acquisition card.
Synchromous device of gearbox the most according to claim 3 gearshift testing stand, it is characterised in that also include and described industry control
Machine be connected display and printer.
Synchromous device of gearbox the most according to claim 5 gearshift testing stand, it is characterised in that also include and described industry control
The alarm that machine is connected, described alarm has secondary alarm function.
7. according to the Synchromous device of gearbox gearshift testing stand described in any one of claim 3-6, it is characterised in that described rotating speed
Sensor and gearshift parameter sensors are Fibre Optical Sensor.
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| CN201310234862.6A CN103323235B (en) | 2013-06-14 | 2013-06-14 | A kind of Synchromous device of gearbox gearshift testing stand |
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| CN201310234862.6A CN103323235B (en) | 2013-06-14 | 2013-06-14 | A kind of Synchromous device of gearbox gearshift testing stand |
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| CN103323235B true CN103323235B (en) | 2016-08-10 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604453B (en) * | 2013-10-22 | 2016-09-21 | 苏州镭明激光科技有限公司 | Multipurpose test system for CVT change speed gear box |
| CN106768966A (en) * | 2017-01-11 | 2017-05-31 | 北京公共交通控股（集团）有限公司 | A kind of shift tower test system |
| CN108050924A (en) * | 2017-12-05 | 2018-05-18 | 厦门芯阳科技股份有限公司 | A kind of accurate judgement method of potentiometer gear |
| CN110186675B (en) * | 2019-06-03 | 2021-09-17 | 海卓(武汉)自动化科技有限公司 | Vehicle gearbox robot control system that shifts |
| CN114001951B (en) * | 2021-10-28 | 2024-05-03 | 中国第一汽车股份有限公司 | Synchronizer detection system and method for transmission |
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