CN107063660A - A kind of simulating brake booster reaction plate working condition measurement system and method for testing - Google Patents
A kind of simulating brake booster reaction plate working condition measurement system and method for testing Download PDFInfo
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- CN107063660A CN107063660A CN201710198539.6A CN201710198539A CN107063660A CN 107063660 A CN107063660 A CN 107063660A CN 201710198539 A CN201710198539 A CN 201710198539A CN 107063660 A CN107063660 A CN 107063660A
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- G—PHYSICS
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Abstract
The invention belongs to test equipment technical field, disclose a kind of simulating brake booster reaction plate working condition measurement system and method for testing, accurate analog feedback disk dynamic course of work in real work, the encoder sensors that electric cylinder is carried, force snesor and displacement transducer that mechanism is separately configured, pass through the collection to these sensor informations, calculate, analysis, can reflect the stress and deformation of reaction plate exactly, it is to avoid the error that artificial reading is present；The present invention sets return spring, the operating mode of analog feedback disk return and the fatigue rupture characteristic that can test reaction plate simultaneously.The present invention can be in the input of single pedal force, the input of single power-assisted, different the assist rates simulation such as input actual working state jointly using electric cylinder analog feedback disk exactly according to the actual requirements；The present invention is capable of the state of accurate simulation reaction plate dynamic and static state, additionally it is possible to closer to its fatigue properties of the analysis of reality.
Description
Technical field
The invention belongs to brake booster test equipment field, more particularly to a kind of simulating brake booster reaction plate operating mode
Test system and method for testing.
Background technology
Brake booster can make driver obtain larger automobile braking force with less pedal force, it is ensured that automobile is in traveling
During it is quick obtain needed for different size of brake force, ensure ride safety of automobile.The braking used on current automobile is helped
After the power-assisted that most of power device is provided the pedal force and booster of driver by reaction plate is coupled, rapidly in master cylinder, wheel
Pressure is built in cylinder, corresponding automobile braking force is obtained.A reaction plate ring the most key as bonding force is set up, is formed in bonding force
During it inner ring, outer ring acted on respectively by pedal force and the power-assisted of brake booster, return spring active force also by
Reaction plate base is acted on reaction plate.In actual vehicle traveling process, reaction plate will be no longer by power-assisted when booster fails
Effect；And automobile, in active brake, reaction plate is not by the pedal force of driver.Complicated stressing conditions will produce reaction plate
Different deformation, fatigue rupture etc., these displacements that reaction plate will be influenceed to be transmitted, accurate the building of destruction master cylinder brake force
It is vertical, endanger driver safety.Therefore a kind of special test equipment is needed to be in the stressing conditions of different operating modes for reaction plate
Sunykatuib analysis is carried out, the various characteristics of reaction plate are obtained, it is ensured that brake safe.
Prior art, a kind of brake booster reaction plate test equipments of CN204479286U, it mainly includes fixed outer cylinder
With outer shroud push rod, described fixed outer cylinder is provided with test circular hole in cylinder, its upper end, the bottom of the test circular hole be placed with by
Test reaction plate rubber parts, upper ends of the tested reaction plate rubber parts have that side wall fits with the side wall of test circular hole outside
It is vertical in ring push rod, described outer shroud push rod to be disposed with the central ejector rod that lower end is withstood with tested reaction plate rubber parts.
The upper surface of described outer shroud push rod is higher or lower than fixed outer cylinder upper surface, the upper end of described central ejector rod
Face is higher or lower than the upper surface of fixes sleeve.Be sequentially arranged in described outer shroud push rod under upper concentric upper hole,
Pilot hole and lower opening, the center arrangement of described central ejector rod have the guide plate crossed out of both sides, the outside of the guide plate
Arc surface fitted with the inwall of pilot hole, the diameter of described lower opening is identical with the diameter of central ejector rod, described upper hole
Diameter is more than the diameter of central ejector rod.The circular conical surface of lower protrusion is thought for centre in the lower end of described central ejector rod.
In summary, the problem of prior art is present be：
The test equipment referred in CN204479286U is placed vertically in test process, this and the feedback in actual condition
Disk axis, which are that level is actual, not to be inconsistent, it is impossible to accurately reflect actual condition；
The test equipment referred in CN204479286U is only capable of testing deflection of the reaction plate under different stressing conditions, but
It is that reaction plate is in the state that moves back and forth, the size of deformation quantity and the difference that remains static in real work；
The test equipment referred in CN204479286U, is static test, but in real work, reaction plate is in back and forth
The test equipment referred in motion state, CN204479286U can not analog feedback disk fatigue rupture；
The test equipment analysis reaction plate stress deformation referred in CN204479286U is, it is necessary to specifically suffered by test reaction plate
The size of power and the deflection size of reaction plate, but it does not specifically note the arrangement of testing tool and testing tool, if
For people's part work and part study number, because reaction plate deformation is small, artificial reading can cause larger experimental error.
The content of the invention
The problem of existing for prior art, the invention provides a kind of survey of simulating brake booster reaction plate operating mode
Test system and method for testing.
The present invention is achieved in that a kind of simulating brake booster reaction plate operation condition testing method, the simulating brake
Booster reaction plate operation condition testing method includes：It is respectively mounted by preposition electric cylinder motor, rearmounted electric cylinder motor internal
Encoder sensors, the first force snesor, the second force snesor and displacement transducer that mechanism is separately configured, to these sensings
Collection, calculating, the analysis of device information；During mechanism kinematic, the signal end of each sensor is connected with MicroAutoBox,
MicroAutoBox provides power supply while gathering sensor signal for sensor.MicroAutoBox believes the analog quantity collected
Number by I/O interfaces ground AD conversion, analog quantity is changed into digital quantity signal, input computer host computer realizes the collection of information.
Host computer is shown the digital quantity signal collected by software dSPACE ControlDesk in real time, for example, want
In operation interface obtain the normal power-assisted of reaction plate under load-deflection curve, then should by brushed in MicroAutoBox into
Stiffness characteristics model is built in simulink models, then by required stiffness characteristics signal in dSPACE ControlDesk
Amount hauls out real-time record analysis；Realize very thin calculating and analysis.
Reflect the stress and deformation of reaction plate exactly；Return spring is set simultaneously, analog feedback disk return
Operating mode and the fatigue rupture characteristic for testing reaction plate；Carry out analog feedback disk dynamic course of work in real work.
Further, the simulating brake booster reaction plate operation condition testing method is specifically included：
Preposition electric cylinder motor, rearmounted electric cylinder motor internal are mounted on Encoder sensors, can be by before by calculating
Put electric cylinder motor, the mechanical angle that rearmounted electric cylinder motor is turned over is converted into the displacement X of electric cylinder；
Preposition electric cylinder motor operation transmits torque to screw mandrel by passband wheel and timing belt, and leading screw is driven by ball
Feed screw nut, translation is converted into by rotation；Feed screw nut promotes hollow power-assisted sleeve to pass through electric cylinder cylinder body along pilot sleeve
Power is acted on into reaction plate outer ring, while the collection of the first force snesor force value size F1, F1 are reaction plate outer ring stress size,
When the F1 sizes collected are close to 10N, it can eliminate existing initial when hollow assistant's sleeve starts with reaction plate outer ring
Gap, the position of preposition electric cylinder motor now is initial position X1, and sets X1=on corresponding electric cylinder control device
0；
Rearmounted electric cylinder motor operation transmits torque to leading screw by belt wheel and timing belt, and leading screw drives silk by ball
Thick stick nut, translation is converted into by rotation；Feed screw nut promotes hollow power-assisted sleeve of the hollow power-assisted sleeve along preposition electric cylinder
Inner ring is moved, and reaction plate inner ring is acted on through rearmounted electric cylinder cylinder body, while the second force snesor collection force value size F2, F2
For reaction plate inner ring stress size, when the F2 sizes collected are close to 10N, can eliminate hollow power-assisted sleeve and reaction plate it
Between primary clearance, the position of rearmounted electric cylinder motor now is initial position X3, and on corresponding electric cylinder control device
X1=0 is set；Forward and backward electric cylinder records the numerical value X5 of the now upper displacement sensor of reaction plate motion after setting completed；
When only preposition electric cylinder motor work, analog feedback disk is in the failure of manual brake system's system or intelligence actively
The operating mode of braking, each signal transducer real-time recorded data is simultaneously preserved；Assuming that a certain force snesor of moment first, displacement transducer
The value collected is F1, X6, and preposition electric cylinder motor Encoder, which records to change, calculates obtained value into X2；F1 generation table is anti-
Disk outer ring institute stress size is presented, △ S1=X6-X5 represent reaction plate base displacement, and △ S2=X2-X1 represent preposition electric cylinder
Input displacement, △ S3=△ S2- △ S1 represent reaction plate race deformation amount size；If making the hollow power-assisted sleeve of preposition electric cylinder
Moved back and forth in the presence of preposition electric cylinder motor, until reaction plate deformation failure, analogue measurement reaction plate only by
Fatigue rupture characteristic (is referred to herein as fatigue properties described above in the presence of brake booster power-assisted；
When only rearmounted electric cylinder motor work, analog feedback disk fails in force aid system for braking, and driver is artificial
The operating mode of pedal brake, each signal transducer real-time recorded data is simultaneously preserved；Assuming that a certain force snesor of moment second, displacement are passed
The value that sensor is collected is F2, X6, and rearmounted electric cylinder motor Encoder, which records to change, calculates obtained value into X4；F2 generations
Table reaction plate inner ring institute stress size, △ S1=X6-X5 represent reaction plate base displacement, and △ S2=X4-X3 represent rearmounted electronic
The input displacement of cylinder, △ S3=△ S2- △ S1 represent reaction plate inner ring deflection size；If making the hollow power-assisted of rearmounted electric cylinder
Sleeve moves back and forth in the presence of rearmounted electric cylinder motor, until reaction plate deformation failure, analogue measurement reaction plate exists
The fatigue rupture characteristic only in the presence of brake pedal force；
When having preposition electric cylinder motor, rearmounted electric cylinder motor cooperation, analog feedback disk is in artificial pedal force
With the coefficient operating mode of brake booster；Each signal transducer real-time recorded data is simultaneously preserved；Assuming that a certain power of moment first
The value that sensor, the second force snesor, displacement transducer are collected is F1, F2, X6；Preposition electric cylinder motor Encoder institutes
Record, which is changed, calculates obtained value into X2, and rearmounted electric cylinder motor Encoder, which records to change, calculates obtained value into X4；Wherein
F1 generation table reaction plate outer ring institute stress size, F2 represents the size of reaction plate inner ring institute stress, and △ S1=X6-X5 represent reaction plate
Base displacement, △ S2=X2-X1 represent the input displacement of preposition electric cylinder, and △ S3=X4-X3 represent rearmounted electric cylinder input bit
Move, meter △ S4=(△ S2, △ S3) MAX, △ S3=△ S4- △ S1 represent reaction plate race deformation amount size；If made preposition
The hollow power-assisted sleeve of electric cylinder and the hollow thrust bush of rearmounted electric cylinder are total in preposition electric cylinder motor, rearmounted electric cylinder motor
Moved back and forth under same-action, until reaction plate deformation failure, analogue measurement reaction plate is in manual power assisting and brake booster
By fatigue rupture characteristic in the presence of brake booster power-assisted under collective effect.
Another object of the present invention is to provide a kind of simulating brake booster reaction plate working condition measurement system, including：
Inside is respectively mounted the preposition electric cylinder motor of encoder sensors；
Inside is respectively mounted the rearmounted electric cylinder motor of encoder sensors；
Gather the stress of reaction plate and the first force snesor of deformation；
Gather the stress of reaction plate and the second force snesor of deformation；
Gather the stress of reaction plate and the displacement transducer of deformation；
Collection to these sensor informations, is calculated, and analysis reflects the stress and deformation of reaction plate exactly；
Return spring for reaction plate return.
Further, preposition electric cylinder motor (1) is arranged on preposition electric cylinder cylinder body (2), before pre-motor cylinder body (2)
Two first belt wheels (3) are installed inside side and the first timing belt (4) of two first belt wheels (3) is connected, the belt wheel of lower section first (3) is even
Then the first leading screw (8)；First leading screw (8) passes through the first spring bearing (5) for being connected to side in preposition electric cylinder cylinder body (2)；
Leading screw rear end is supported on preposition electric cylinder cylinder body (2) rear end；First leading screw (8) is horizontally disposed；In first leading screw (8)
End outside is connected to be close on the outside of feed screw nut (6), feed screw nut (6) by ball is supported on spring bearing (6) and preposition
The pilot sleeve (9) of electric cylinder (2) rear end, pilot sleeve (9) is horizontally disposed；
First hollow power-assisted sleeve (7) is withstood in feed screw nut (6) end face, and upper end abuts pilot sleeve (9), and rear end is passed through
Preposition electric cylinder cylinder body cylinder body (2) and rearmounted electric cylinder cylinder body (13), while outer ring, which is close to, is connected horizontally on rearmounted electric cylinder
Pilot sleeve (12) between second bearing support (11) and rearmounted electric cylinder cylinder body (13)；
Part of the first hollow power-assisted sleeve (7) between front and rear electric cylinder is connected to the first force snesor (10), end
The race diameter size for acting on reaction plate (20) outer ring and the first hollow power-assisted sleeve (7) is identical with reaction plate (20) diameter；
Rearmounted electric cylinder motor (17) is arranged on rearmounted electric cylinder cylinder body (13), interior on front side of post-motor cylinder body (13)
Portion is provided with two second belt wheels (16) and connects the second timing belt (15) of two second belt wheels (16), and the belt wheel of lower section second (16) is even
Then the second leading screw (19)；
Second leading screw (19) passes through the second spring bearing (11) for being connected to side in rearmounted electric cylinder cylinder body (13), second
Thick stick (19) rear end is supported on rearmounted electric cylinder cylinder body (13) rear end, and the second leading screw (19) is horizontally disposed；
Feed screw nut (18) is connected to by ball on the outside of second leading screw (19) middle-end, feed screw nut (18) outside is close to
Preposition electric cylinder passes through the first hollow power-assisted sleeve (7) of rearmounted electric cylinder cylinder body (13)；
The hollow power-assisted set (14) of rearmounted electric cylinder withstands on feed screw nut (18) end face, and upper end is passed through against preposition electric cylinder
First hollow power-assisted sleeve (7) of rearmounted electric cylinder cylinder body (13)；
Hollow power-assisted sleeve (14) end arranges the second force snesor in closing cylindrical shape on front side of its end
(25), end effect is in reaction plate (20) inner ring, while the race diameter of hollow power-assisted sleeve (14) is equal to preposition electric cylinder the
The inner ring diameter of one hollow power-assisted sleeve (7)；
Reaction plate motion is arranged at rearmounted electric cylinder rear；It is that diameter is more than reaction plate on the outside of reaction plate motion
(20) diameter and the circular hollow reaction plate support frame (21) with snap ring, return spring (23) end is placed in reaction plate support
In frame (21), and end is on the snap ring of reaction plate support frame (21)；
The T-shaped sophisticated end of reaction plate base (22) passes through return spring (23) axis, and planar section abuts return spring
(23) front end；
Reaction plate (20) is tightly placed in survey in reaction plate support frame (21), reaction plate support close to reaction plate base (22)
Frame (21) end side is provided with displacement transducer (24).
Advantages of the present invention and good effect are：
The present invention can more accurately situation of the analog feedback disk in practical work process, can be independently to reaction plate
Inside and outside circle force and common force；The present invention can accurate analog feedback disk dynamic course of work in real work, it is electronic
The encoder sensors that cylinder is carried, force snesor and displacement transducer that mechanism is separately configured, sensor accuracy class is
0.001mm, by the collection to these sensor informations, is calculated, and analysis can reflect stress and the change of reaction plate exactly
Shape situation, it is to avoid the error that artificial reading is present；The present invention sets return spring simultaneously, the operating mode of analog feedback disk return with
And the fatigue rupture characteristic of reaction plate can be tested.
The present invention can according to the actual requirements, exactly using electric cylinder analog feedback disk be in the input of single pedal force,
Actual working state is simulated in input etc. jointly for single power-assisted input, different assist rates.
The present invention has made a concrete analysis of the arrangement of sensor and the calculating of design parameter, it is to avoid the error of artificial reading, and
And in simulation dynamic process can by the data at each moment of whole process preserving completely, calculate anti-beneficial to analysis
Present the characteristic of disk.
Present invention feedback looping test is in axis horizontal state.Closer to the operating mode of actual feedback disk.
The present invention is capable of the state of accurate simulation reaction plate dynamic and static state, additionally it is possible to its fatigue of the analysis close to reality
Characteristic.
Brief description of the drawings
Fig. 1 is simulating brake booster reaction plate working condition measurement system schematic provided in an embodiment of the present invention.
In figure：1st, preposition electric cylinder motor；；2nd, preposition electric cylinder cylinder body；3rd, the first belt wheel, the 4, first timing belt；5th,
One spring bearing；6th, the first feed screw nut；7th, the first power-assisted sleeve；8th, the first leading screw；9th, the first pilot sleeve；10th, the first power
Sensor；11st, the second spring bearing；12nd, the second pilot sleeve；13rd, rearmounted electric cylinder cylinder body；14th, the second power-assisted sleeve；15、
Second timing belt；16th, the second belt wheel；17th, rearmounted electric cylinder motor；18th, the second feed screw nut；19th, the second leading screw；20th, feed back
Disk；21st, reaction plate support frame；22nd, reaction plate base；23rd, return spring；24th, displacement transducer；25th, the second force snesor.
Fig. 2 is the procedure of operating mode of simulation manual brake system system failure provided in an embodiment of the present invention or intelligent active brake
Figure.
Fig. 3 is simulating brake power failure provided in an embodiment of the present invention, the procedure of operating mode figure of the artificial pedal brake of driver.
Fig. 4 is the artificial pedal force of simulation provided in an embodiment of the present invention and the coefficient procedure of operating mode of brake booster
Figure.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Simulating brake booster reaction plate working condition measurement system provided in an embodiment of the present invention, correctly installs forward and backward electricity
After dynamic cylinder and reaction plate motion, check that electric cylinder connection is accurate, it is ensured that it operates steadily reliably, while reaction plate fitness machine
The overall central axis of structure should keep water with preceding electric cylinder power-assisted sleeve (7) and rearmounted electric cylinder power-assisted sleeve (14) axis
It is flat to overlap, it is ensured that the situation of forward and backward electric cylinder power-assisted sleeve (7,14) energy accurate simulation reaction plate Internal and external cycle stress.
1 to 4 pair of application principle of the invention is further described below in conjunction with the accompanying drawings.
It is provided with inside simulating brake booster reaction plate operation condition testing method provided in an embodiment of the present invention, motor (1,17)
The mechanical angle that motor is turned over, the displacement X of electric cylinder can be converted into by calculating by Encoder sensors.
Preposition electric cylinder motor (1) operation transmits torque to screw mandrel (8), leading screw by passband wheel (3) and timing belt (4)
(8) feed screw nut (6) is driven by ball, rotation is converted into translation.Feed screw nut (6) promotes hollow power-assisted sleeve (7) edge
Pilot sleeve (9,12) and power is acted on into reaction plate (20) outer ring through electric cylinder cylinder body (2,13), while force snesor (10)
It is reaction plate (20) outer ring stress size to gather force value size F1, F1, when the F1 sizes collected are close to 10N or so, energy
Enough eliminate primary clearance existing when hollow assistant's sleeve (7) starts with reaction plate (20) outer ring, the position of motor (1) now
For initial position X1, and X1=0 is set on corresponding electric cylinder control device；
Rearmounted electric cylinder motor (17) operation transmits torque to leading screw (19), silk by belt wheel (16) and timing belt (15)
Thick stick (19) drives feed screw nut (18) by ball, and rotation is converted into translation.Feed screw nut (18) promotes hollow power-assisted sleeve
(14) moved along hollow power-assisted sleeve (7) inner ring of preposition electric cylinder, feedback is acted on through rearmounted electric cylinder cylinder body (13)
Disk (20) inner ring, while the second force snesor (25) collection force value size F2, F2 are reaction plate (20) inner ring stress size, when
When the F2 sizes collected are close to 10N or so, it can eliminate between initial between hollow power-assisted sleeve (14) and reaction plate (20)
Gap, the position of motor (17) now is initial position X3, and sets X1=0 on corresponding electric cylinder control device.Forward and backward electricity
Dynamic cylinder records the numerical value X5 of the now upper displacement sensor of reaction plate motion (24) after setting completed.
When only motor (1) works, analog feedback disk (20) is in the failure of manual brake system's system or intelligence is actively made
Dynamic operating mode, each signal transducer real-time recorded data is simultaneously preserved.Assuming that a certain moment force snesor (10), displacement transducer
(24) value collected is F1, X6, and preposition electric cylinder motor (1) Encoder, which records to change, calculates obtained value into X2, institute
So F1 generation table reaction plate (20) outer ring institute stress size, △ S1=X6-X5 represent reaction plate base displacement, △ S2=X2-X1
The input displacement of preposition electric cylinder is represented, △ S3=△ S2- △ S1 represent reaction plate race deformation amount size；If making preposition electricity
The dynamic hollow power-assisted sleeve (7) of cylinder moves back and forth in the presence of motor (1), until reaction plate (23) deformation failure, can
Analogue measurement reaction plate (20) fatigue rupture characteristic in the presence of only by brake booster power-assisted.
When only motor (17) works, analog feedback disk (20) fails in force aid system for braking, and driver manually steps on
The operating mode of plate braking, each signal transducer real-time recorded data is simultaneously preserved.Assuming that a certain force snesor of moment second (25), displacement
The value that sensor (24) is collected is F2, X6, and preposition electric cylinder motor (17) Encoder records conversion and calculates obtained value
Reaction plate inner ring institute stress size is represented for X4, so F2, △ S1=X6-X5 represent reaction plate base displacement, △ S2=X4-
X3 represents the input displacement of rearmounted electric cylinder, and △ S3=△ S2- △ S1 represent reaction plate inner ring deflection size；If made rearmounted
The hollow power-assisted sleeve (14) of electric cylinder moves back and forth in the presence of motor (17), until reaction plate (20) deformation failure,
Can analogue measurement reaction plate (20) in the fatigue rupture characteristic only in the presence of brake pedal force.
When there is motor (1,17) cooperation, analog feedback disk (20) is in artificial pedal force and brake booster is common
The operating mode of effect.Each signal transducer real-time recorded data is simultaneously preserved.Assuming that a certain force snesor of moment first (10), the second power
The value that sensor (25), displacement transducer (24) are collected is F1, F2, X6, and preposition electric cylinder motor (1) Encoder is remembered
Record, which is changed, calculates obtained value into X2, and rearmounted electric cylinder motor (17) Encoder, which records to change, calculates obtained value into X4, its
Middle F1 generation table reaction plate outer ring institute stress size, F2 represents the size of reaction plate inner ring institute stress, and △ S1=X6-X5 represent feedback
Try to get to the heart of a matter seat shifting, △ S2=X2-X1 represent the input displacement of preposition electric cylinder, and △ S3=X4-X3 represent rearmounted electric cylinder input
Displacement, meter △ S4=(△ S2, △ S3) MAX, △ S3=△ S4- △ S1 represent reaction plate race deformation amount size；If before making
The hollow power-assisted sleeve (7) of electric cylinder and the hollow thrust bush of rearmounted electric cylinder (14) is put to carry out in the presence of motor (1,17)
Move back and forth, until reaction plate (20) deformation failure, can analogue measurement reaction plate (20) in manual power assisting and brake booster
By fatigue rupture characteristic in the presence of brake booster power-assisted under collective effect.
As shown in figure 1, simulating brake booster reaction plate working condition measurement system provided in an embodiment of the present invention,
Change traditional electronic cylinder structure, reaction plate is inside and outside using forward and backward arrangement electric cylinder, in simulation actual condition encloses multiple
Miscellaneous stressing conditions.Wherein preposition electric cylinder analog feedback disk outer ring stress, rearmounted electric cylinder analog feedback disk outer ring stress.
Preposition electric cylinder motor (1) is arranged on preposition electric cylinder cylinder body (2), and motor cylinder body (2) front interior is installed
There are two first belt wheels (3) and connect the first timing belt (4) of two first belt wheels (3), the belt wheel of lower section first (3) is connected to first
Thick stick (8).First leading screw (8) passes through the first spring bearing (5) for being connected to side in preposition electric cylinder cylinder body (2), leading screw rear end branch
Support is in preposition electric cylinder cylinder body (2) rear end, and the first leading screw (8) is horizontally disposed.Connected on the outside of first leading screw (8) middle-end by ball
To be close on the outside of feed screw nut (6), feed screw nut (6) and be supported on the first of spring bearing (6) and preposition electric cylinder (2) rear end
Pilot sleeve (9), the first pilot sleeve (9) is horizontally disposed.First hollow power-assisted sleeve (7) is withstood in feed screw nut (6) end face,
Upper end abuts the first pilot sleeve (9), and rear end passes through preposition electric cylinder cylinder body cylinder body (2) and rearmounted electric cylinder cylinder body (13), together
When outer ring be close to the second pilot sleeve (12) being connected horizontally between rearmounted electric cylinder bearing support (11) and cylinder body (13).
Part of the first hollow power-assisted sleeve (7) between front and rear electric cylinder is connected to the first force snesor (10), and end effect is in anti-
The race diameter size for presenting disk (20) outer ring and the first hollow power-assisted sleeve (7) is identical with reaction plate (20) diameter.
Rearmounted electric cylinder motor (17) is arranged on rearmounted electric cylinder cylinder body (13), motor cylinder body (13) front interior peace
The second timing belt (15) equipped with two second belt wheels (16) of two belt wheels (16) and connection, the belt wheel of lower section second (16) is connected to second
Leading screw (19).Second leading screw (19) passes through the spring bearing (11) for being connected to side in rearmounted electric cylinder cylinder body (13), the second leading screw
(19) rear end is supported on rearmounted electric cylinder cylinder body (13) rear end, and the second leading screw (19) is horizontally disposed.Outside second leading screw (19) middle-end
Side is connected to be close on the outside of feed screw nut (18), feed screw nut (18) preposition electric cylinder through rearmounted electric cylinder cylinder by ball
First hollow power-assisted sleeve (7) of body (13).Second hollow power-assisted set (14) of rearmounted electric cylinder withstands on feed screw nut (18) end
Face, upper end passes through the first hollow power-assisted sleeve (7) of rearmounted electric cylinder cylinder body (13) against preposition electric cylinder.Second hollow power-assisted
Sleeve (14) end arranges the second force snesor (25), end effect is in anti-in closing cylindrical shape on front side of its end
Disk (20) inner ring is presented, while the race diameter of the second hollow power-assisted sleeve (14) is equal to the hollow power-assisted sleeve of preposition electric cylinder first
(7) inner ring diameter.
Reaction plate motion is arranged at rearmounted electric cylinder rear.It is that diameter is slightly larger than feedback on the outside of reaction plate motion
Disk (20) diameter and the circular hollow reaction plate support frame (21) with snap ring, return spring (23) end is placed in reaction plate branch
In support (21), and end is on the snap ring of reaction plate support frame (21).The T-shaped sophisticated end of reaction plate base (22) is passed through back
Position spring (23) axis, planar section abuts return spring (23) front end.Reaction plate (20) is tightly close to reaction plate base (22)
Survey in reaction plate support frame (21) is placed in, reaction plate support frame (21) end side is provided with displacement transducer (24).
The application principle of the present invention is further described with reference to specific embodiment.
1) position relationship and annexation between each installing component are correctly connected.
Preposition electric cylinder motor (1) is arranged on preposition electric cylinder cylinder body (2), and motor cylinder body (2) front interior is installed
There is the timing belt (4) of two belt wheels (3) and two belt wheels of connection (3), lower section belt wheel (3) is connected to leading screw (8).Leading screw (8), which is passed through, to be connected
The spring bearing (5) of side in preposition electric cylinder cylinder body (2) is connected on, leading screw rear end is supported on preposition electric cylinder cylinder body (2) rear end, silk
Thick stick (8) is horizontally disposed.Feed screw nut (6) is connected to by ball on the outside of leading screw (8) middle-end, feed screw nut (6) outside is close to
The pilot sleeve (9) of spring bearing (6) and preposition electric cylinder (2) rear end is supported on, pilot sleeve (9) is horizontally disposed.It is hollow to help
Power sleeve (7) is withstood in feed screw nut (6) end face, and upper end abuts pilot sleeve (9), and rear end passes through preposition electric cylinder cylinder body cylinder body
(2) and rearmounted electric cylinder cylinder body (13), while outer ring, which is close to, is connected horizontally on rearmounted electric cylinder bearing support (11) and cylinder body
(13) pilot sleeve (12) between.Part connection force sensor of the hollow power-assisted sleeve (7) between front and rear electric cylinder
(10), end effect is in reaction plate (20) outer ring and the race diameter size and reaction plate (20) diameter of hollow power-assisted sleeve (7)
It is identical.
Rearmounted electric cylinder motor (17) is arranged on rearmounted electric cylinder cylinder body (13), motor cylinder body (13) front interior peace
Timing belt (15) equipped with two belt wheels (16) and two belt wheels of connection (16), lower section belt wheel (16) is connected to leading screw (19).Leading screw
(19) through the spring bearing (11) for being connected to side in rearmounted electric cylinder cylinder body (13), leading screw (19) rear end is supported on rearmounted electronic
Cylinder cylinder body (13) rear end, leading screw (19) is horizontally disposed.Feed screw nut (18), silk are connected to by ball on the outside of leading screw (19) middle-end
It is close to the hollow power-assisted sleeve (7) that preposition electric cylinder passes through rearmounted electric cylinder cylinder body (13) on the outside of thick stick nut (18).Rearmounted electricity
The hollow power-assisted set (14) of dynamic cylinder withstands on feed screw nut (18) end face, and upper end passes through rearmounted electric cylinder cylinder body against preposition electric cylinder
(13) hollow power-assisted sleeve (7).Hollow power-assisted sleeve (14) end is arranged in closing cylindrical shape on front side of its end
Second force snesor (25), end effect is in reaction plate (20) inner ring, while the race diameter of hollow power-assisted sleeve (14) is equal to
The inner ring diameter of the preposition hollow power-assisted sleeve (7) of electric cylinder.
Reaction plate motion is arranged at rearmounted electric cylinder rear.It is that diameter is slightly larger than feedback on the outside of reaction plate motion
Disk (20) diameter and the circular hollow reaction plate support frame (21) with snap ring, return spring (23) end is placed in reaction plate branch
In support (21), and end is on the snap ring of reaction plate support frame (21).The T-shaped sophisticated end of reaction plate base (22) is passed through back
Position spring (23) axis, planar section abuts return spring (23) front end.Reaction plate (20) is tightly close to reaction plate base (22)
Survey in reaction plate support frame (21) is placed in, reaction plate support frame (21) end side is provided with displacement transducer (24).
2) check whether the test equipment of the simulating brake booster reaction plate operating mode is installed correctly.
1. fix reaction plate motion.
2. the preposition electric cylinder motor (1) of operation, checks that can preposition hollow power-assisted sleeve (7) be run smooth, empty before checking
Heart power-assisted sleeve (7) end whether just acts on the outer ring of reaction plate (20) and engagement is smooth, before being adjusted if not meeting,
Rearmounted electronic cylinder position, repeats 2, until meeting the requirements.
3. the rearmounted electric cylinder motor (17) of operation, checks that can rearmounted hollow power-assisted sleeve (14) be run smooth, after inspection
Hollow power-assisted sleeve (14) end whether just acts on the inner ring of reaction plate (20) and engagement is smooth, if do not met, adjusts
It is whole it is forward and backward put electronic cylinder position, 3 are repeated, until meeting the requirements.
4. operation is forward and backward to put electric cylinder motor (1,17), it is smooth whether inspection body runs, forward and backward hollow power-assisted sleeve
It is smooth whether (7,14) correctly engage with reaction plate Internal and external cycle, if do not met, and repeatedly 2,3, until meeting the requirements.
5. the preposition electric cylinder motor (1) of operation or rearmounted electric cylinder motor (17), check that can reaction plate motion be transported
Row is smooth, checks that can reaction plate (20) swimmingly move back and forth, if do not met, and repeatedly 1,2,3, until meeting the requirements.
3) the correct cloth of sensor in the test equipment of the simulating brake booster reaction plate operating mode is postponed,
Power is gathered by MicroAutoBox, displacement signal passes to computer, and computer uses dSPACE ControlDesk
To carry out the collection of real time signal data.The electric cylinder of this patent design comes with the Encoder rotary angle transmitters of motor, passes through
The angular signal of motor can be converted into the displacement of power-assisted sleeve by building for computer model
4) operating mode of the failure of simulation manual brake system system or intelligent active brake：As shown in Figure 2；
1. the preposition electric cylinder motor (1) of operation, rearmounted electric cylinder motor (17) is not run, preposition electric cylinder motor (1) fortune
Row transmits torque to screw mandrel (8) by passband wheel (3) and timing belt (4), and leading screw (8) drives feed screw nut (6) by ball,
Rotation is converted into translation.Feed screw nut (6) promotes hollow power-assisted sleeve (7) to pass through electric cylinder cylinder along pilot sleeve (9,12)
Power is acted on reaction plate (20) outer ring by body (2,13), while force snesor (10) collection force value size F1, F1 are reaction plate
(20) outer ring stress size, when the F1 sizes collected are shown close to 10N or so on computers, can eliminate hollow assistant's set
Cylinder (7) primary clearance existing when starting with reaction plate (20) outer ring, the position of motor (1) now is initial position X1, and
X1=0 is set on corresponding electric cylinder control device；Record the number of the now upper displacement sensor of reaction plate motion (24)
Value X5, represents the initial displacement of reaction plate base.
2. the preposition electric cylinder motor (1) of operation, rearmounted electric cylinder motor (17) is not run, promote preposition electric cylinder is hollow to help
Power sleeve (7) acts on reaction plate (20) outer ring, and the data that now force snesor (10), displacement transducer (24) are collected are
F1, X6, represent shown on the position of reaction plate outer ring stress size and reaction plate base, computer by preposition electric cylinder motor respectively
(1) Encoder motors rotary angle transmitter calculates the position that the next X2 of conversion represents the hollow power-assisted sleeve (7) of the moment preposition electric cylinder
Put, in order to further analyze reaction plate operating mode, the input displacement △ for obtaining the hollow power-assisted sleeve (7) of preposition electric cylinder can be calculated
S2=X2-X1, the displacement △ S1=X6-X5 of reaction plate base, then the size of reaction plate outer ring deformation quantity can then be calculated
To △ S3=△ S2- △ S1.
3. the preposition electric cylinder motor (1) of operation, rearmounted electric cylinder motor (17) is not run so that preposition electric cylinder is hollow to be helped
Power sleeve (7) is moved back and forth in the presence of motor (1), the state of observation reaction plate (20), and record reaction plate (20) in real time
Stress, each group of data of deflection, when reaction plate (20) is because of reciprocal stress destruction, you can simulate reaction plate (20) in automobile
The actual condition of upper fatigue rupture.
5) simulating brake power fails, the operating mode of the artificial pedal brake of driver：As shown in Figure 3；
1. the rearmounted electric cylinder motor (17) of operation, preposition electric cylinder motor (1) is not run, rearmounted electric cylinder motor (17) fortune
Row transmits torque to screw mandrel (19) by passband wheel (16) and timing belt (15), and leading screw (19) drives feed screw nut by ball
(18) rotation, is converted into translation.Feed screw nut (18) promotes hollow power-assisted sleeve (14) to be helped along the hollow of preposition electric cylinder
Power sleeve (7) inner ring is moved, and reaction plate (20) inner ring is acted on through rearmounted electric cylinder cylinder body (13), while force snesor (16)
It is reaction plate (20) inner ring stress size to gather force value size F2, F2, when the F2 sizes collected show close on computers
During 10N or so, primary clearance existing when hollow assistant's sleeve (14) starts with reaction plate (20) inner ring, motor can be eliminated
(17) position now is initial position X3, and sets X3=0 on corresponding electric cylinder control device；Record now reaction plate
The numerical value X5 of the upper displacement sensor of motion (24), represents the initial displacement of reaction plate base.
2. the rearmounted electric cylinder motor (17) of operation, preposition electric cylinder motor (1) is not run, promote preposition electric cylinder is hollow to help
Power sleeve (14) acts on reaction plate (20) inner ring, and now the second force snesor (25), displacement transducer (24) are collected
Data are F2, X6, represent shown on the position of reaction plate inner ring stress size and reaction plate base, computer by rearmounted electronic respectively
Cylinder motor (17) Encoder motors rotary angle transmitter calculates the next X4 of conversion and represents the hollow power-assisted sleeve of the moment rearmounted electric cylinder
(14) position, in order to further analyze reaction plate operating mode, can calculate and obtain the hollow power-assisted sleeve (14) of preposition electric cylinder
Input displacement △ S2=X4-X3, the displacement △ S1=X6-X5 of reaction plate base, then the size of reaction plate outer ring deformation quantity
It can then calculate and obtain △ S3=△ S2- △ S1.
3. the rearmounted electric cylinder motor (17) of operation, preposition electric cylinder motor (1) is not run so that rearmounted electric cylinder is hollow to be helped
Power sleeve (14) is moved back and forth in the presence of motor (17), the state of observation reaction plate (20), and records reaction plate in real time
(20) stress, each group of data of deflection, when reaction plate (20) is because of reciprocal stress destruction, you can simulate reaction plate (20) and exist
The actual condition of fatigue rupture on automobile.
6) artificial pedal force and the coefficient operating mode of brake booster are simulated；As shown in Figure 4；
Automobile is in normal operation, and the actual force that reaction plate (20) is subject to is that power-assisted valve body acts on reaction plate outer ring
Active force and push rod acts on the coupling of the active force of reaction plate inner ring during artificial braking.The test equipment energy of this patent design
Enough nominal situations for intactly simulating actual motion, specific method is as follows：
1. the preposition electric cylinder motor (1) of operation, rearmounted electric cylinder motor (17) is not run, preposition electric cylinder motor (1) fortune
Row transmits torque to screw mandrel (8) by passband wheel (3) and timing belt (4), and leading screw (8) drives feed screw nut (6) by ball,
Rotation is converted into translation.Feed screw nut (6) promotes hollow power-assisted sleeve (7) to pass through electric cylinder cylinder along pilot sleeve (9,12)
Power is acted on reaction plate (20) outer ring by body (2,13), while force snesor (10) collection force value size F1, F1 are reaction plate
(20) outer ring stress size, when the F1 sizes collected are shown close to 10N or so on computers, can eliminate hollow assistant's set
Cylinder (7) primary clearance existing when starting with reaction plate (20) outer ring, the position of motor (1) now is initial position X1, and
X1=0 is set on corresponding electric cylinder control device.
2. the rearmounted electric cylinder motor (17) of operation, preposition electric cylinder motor (1) is not run, rearmounted electric cylinder motor (17) fortune
Row transmits torque to screw mandrel (19) by passband wheel (16) and timing belt (15), and leading screw (19) drives feed screw nut by ball
(18) rotation, is converted into translation.Feed screw nut (18) promotes hollow power-assisted sleeve (14) to be helped along the hollow of preposition electric cylinder
Power sleeve (7) inner ring is moved, and reaction plate (20) inner ring is acted on through rearmounted electric cylinder cylinder body (13), while the second force snesor
(25) collection force value size F2, F2 is reaction plate (20) inner ring stress size, when the F2 sizes collected are shown on computers
During close to 10N or so, primary clearance existing when hollow assistant's sleeve (14) starts with reaction plate (20) inner ring can be eliminated,
The position of motor (17) now is initial position X3, and sets X3=0 on corresponding electric cylinder control device.
3. completing after step 1,2, the number of the now upper displacement sensor of reaction plate motion (24) is observed and recorded
Value X5, represents the initial motion position of reaction plate.
4. in the actual condition of reaction plate, always the active force of power-assisted valve body is ahead of the effect of brake pedal push rod
Power, reduces the braking burden of driver.Preposition electric cylinder motor (1) is first run, rearmounted electric cylinder motor (17) is then run, pushes away
Move the preposition hollow power-assisted sleeve (7) of electric cylinder and act on reaction plate (20) outer ring, promote the preposition hollow power-assisted sleeve of electric cylinder
(14) reaction plate (20) inner ring is acted on, now the first force snesor (10), the second force snesor (25), displacement transducer (24)
The data collected are F1, F2, X6, and reaction plate outer ring stress size, reaction plate inner ring stress size and feedback are represented respectively
Try to get to the heart of a matter the position of seat, shown on computer by preposition electric cylinder motor (1) Encoder motors rotary angle transmitter calculate conversion Lai X2
The position of the hollow power-assisted sleeve (7) of the moment preposition electric cylinder is represented, by rearmounted electric cylinder motor (17) Encoder motor corners
Sensor calculates the position that the next X4 of conversion represents the hollow power-assisted sleeve (14) of the moment rearmounted electric cylinder, in order to further analyze
Reaction plate operating mode, can calculate the input displacement △ S2=X2-X1 for obtaining the hollow power-assisted sleeve (7) of preposition electric cylinder, rearmounted electricity
Input displacement △ S3=△ X4-X3, the displacement △ S1=X6-X5 of reaction plate base of the hollow power-assisted sleeve (14) of dynamic cylinder, that
Reaction plate race deformation amount size is △ S4=△ S2- △ S1, and reaction plate inner ring deflection size is △ S5=△ S3- △
S1。
5. first running preposition electric cylinder motor (1), rearmounted electric cylinder motor (17) is then run so that preposition electric cylinder is empty
Heart power-assisted sleeve (7) is moved back and forth in the presence of motor (1), and the rearmounted hollow power-assisted sleeve (14) of electric cylinder is in motor (17)
Effect is lower to be moved back and forth, the state of observation reaction plate (20), and record reaction plate (20) stress, each group number of deflection in real time
According to when reaction plate (20) is because of reciprocal stress destruction, you can simulate the actual work of reaction plate (20) fatigue rupture on automobile
Condition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (4)
1. a kind of simulating brake booster reaction plate operation condition testing method, it is characterised in that the simulating brake booster feedback
Disk operation condition testing method includes：Encoder sensors are respectively mounted by preposition electric cylinder motor, rearmounted electric cylinder motor internal,
The first force snesor, the second force snesor and displacement transducer that mechanism is separately configured, the collection to these sensor informations, meter
Calculate, analysis reflects the stress and deformation of reaction plate exactly；Return spring is set simultaneously, analog feedback disk return
Operating mode and the fatigue rupture characteristic for testing reaction plate；Carry out analog feedback disk dynamic course of work in real work.
2. simulating brake booster reaction plate operation condition testing method as claimed in claim 1, it is characterised in that the simulation system
Dynamic booster reaction plate operation condition testing method is specifically included：
Preposition electric cylinder motor, rearmounted electric cylinder motor internal are mounted on Encoder sensors, can be by preposition electricity by calculating
The mechanical angle that dynamic cylinder motor, rearmounted electric cylinder motor are turned over is converted into the displacement X of electric cylinder；
Preposition electric cylinder motor operation transmits torque to screw mandrel by passband wheel and timing belt, and leading screw drives leading screw by ball
Nut, translation is converted into by rotation；Feed screw nut promotes hollow power-assisted sleeve to pass through electric cylinder cylinder body by power along pilot sleeve
Reaction plate outer ring is acted on, while the collection of the first force snesor force value size F1, F1 are reaction plate outer ring stress size, when adopting
When the F1 sizes collected are close to 10N, primary clearance existing when hollow assistant's sleeve starts with reaction plate outer ring can be eliminated,
The position of preposition electric cylinder motor now is initial position X1, and sets X1=0 on corresponding electric cylinder control device；
Rearmounted electric cylinder motor operation transmits torque to leading screw by belt wheel and timing belt, and leading screw drives leading screw spiral shell by ball
Mother, translation is converted into by rotation；Feed screw nut promotes hollow power-assisted sleeve inner ring of the hollow power-assisted sleeve along preposition electric cylinder
Motion, reaction plate inner ring is acted on through rearmounted electric cylinder cylinder body, while the collection of the second force snesor force value size F2, F2 are anti-
Disk inner ring stress size is presented, when the F2 sizes collected are close to 10N, can be eliminated between hollow power-assisted sleeve and reaction plate
Primary clearance, the position of rearmounted electric cylinder motor now is initial position X3, and is set on corresponding electric cylinder control device
X1=0；Forward and backward electric cylinder records the numerical value X5 of the now upper displacement sensor of reaction plate motion after setting completed；
When only preposition electric cylinder motor work, analog feedback disk, which is in manual brake system and united, to fail or intelligent active brake
Operating mode, each signal transducer real-time recorded data simultaneously preserves；Assuming that a certain force snesor of moment first, displacement transducer are adopted
The value integrated is F1, X6, and preposition electric cylinder motor Encoder, which records to change, calculates obtained value into X2；F1 generation table reaction plate
Outer ring institute stress size, △ S1=X6-X5 represent reaction plate base displacement, and △ S2=X2-X1 represent the input of preposition electric cylinder
Displacement, △ S3=△ S2- △ S1 represent reaction plate race deformation amount size；If making the hollow power-assisted sleeve of preposition electric cylinder preceding
Put and move back and forth in the presence of electric cylinder motor, until reaction plate deformation failure, analogue measurement reaction plate is only being braked
Fatigue rupture characteristic in the presence of booster power-assisted；
When only rearmounted electric cylinder motor work, analog feedback disk fails in force aid system for braking, the artificial pedal of driver
The operating mode of braking, each signal transducer real-time recorded data is simultaneously preserved；Assuming that a certain force snesor of moment second, displacement transducer
The value collected is F2, X6, and rearmounted electric cylinder motor Encoder, which records to change, calculates obtained value into X4；F2 represents anti-
Disk inner ring institute stress size is presented, △ S1=X6-X5 represent reaction plate base displacement, and △ S2=X4-X3 represent rearmounted electric cylinder
Input displacement, △ S3=△ S2- △ S1 represent reaction plate inner ring deflection size；If making the hollow power-assisted sleeve of rearmounted electric cylinder
Moved back and forth in the presence of rearmounted electric cylinder motor, until reaction plate deformation failure, analogue measurement reaction plate is only existing
Fatigue rupture characteristic in the presence of brake pedal force；
When having preposition electric cylinder motor, rearmounted electric cylinder motor cooperation, analog feedback disk is in artificial pedal force and system
The coefficient operating mode of dynamic booster；Each signal transducer real-time recorded data is simultaneously preserved；Assuming that a certain power of moment first sensing
The value that device, the second force snesor, displacement transducer are collected is F1, F2, X6；Preposition electric cylinder motor Encoder is recorded
Change and calculate obtained value into X2, rearmounted electric cylinder motor Encoder, which records to change, calculates obtained value into X4；Wherein F1 generation
Table reaction plate outer ring institute stress size, F2 represents the size of reaction plate inner ring institute stress, and △ S1=X6-X5 represent reaction plate base
Displacement, △ S2=X2-X1 represent the input displacement of preposition electric cylinder, and △ S3=X4-X3 represent rearmounted electric cylinder input displacement, meter
△ S4=(△ S2, △ S3) MAX, △ S3=△ S4- △ S1 represent reaction plate race deformation amount size；If making preposition electric cylinder
Collective effect of the hollow thrust bush of hollow power-assisted sleeve and rearmounted electric cylinder in preposition electric cylinder motor, rearmounted electric cylinder motor
Under move back and forth, until reaction plate deformation failure, analogue measurement reaction plate is made jointly in manual power assisting and brake booster
With fatigue rupture characteristic in the presence of the lower power-assisted by brake booster.
3. a kind of simulating brake booster feedback of simulating brake booster reaction plate operation condition testing method as claimed in claim 1
Disk working condition measurement system, it is characterised in that the simulating brake booster reaction plate working condition measurement system includes：
Inside is respectively mounted the preposition electric cylinder motor of encoder sensors；
Inside is respectively mounted the rearmounted electric cylinder motor of encoder sensors；
Gather the stress of reaction plate and the first force snesor of deformation；
Gather the stress of reaction plate and the second force snesor of deformation；
Gather the stress of reaction plate and the displacement transducer of deformation；
Return spring for reaction plate return.
4. simulating brake booster reaction plate working condition measurement system as claimed in claim 3, it is characterised in that preposition electric cylinder
Motor (1) is arranged on preposition electric cylinder cylinder body (2), and pre-motor cylinder body (2) front interior is provided with two first belt wheels (3)
With the first timing belt (4) of two first belt wheels (3) of connection, the belt wheel of lower section first (3) is connected to the first leading screw (8)；First leading screw
(8) through the first spring bearing (5) for being connected to side in preposition electric cylinder cylinder body (2)；
Leading screw rear end is supported on preposition electric cylinder cylinder body (2) rear end；First leading screw (8) is horizontally disposed；Outside first leading screw (8) middle-end
Side is connected to be close on the outside of feed screw nut (6), feed screw nut (6) by ball is supported on spring bearing (6) and preposition electronic
First pilot sleeve (9) of cylinder (2) rear end, the first pilot sleeve (9) is horizontally disposed；
First hollow power-assisted sleeve (7) is withstood in feed screw nut (6) end face, and upper end abuts pilot sleeve (9), and rear end passes through preposition
Electric cylinder cylinder body cylinder body (2) and rearmounted electric cylinder cylinder body (13), while outer ring, which is close to, is connected horizontally on rearmounted electric cylinder second
Pilot sleeve (12) between bearing support (11) and rearmounted electric cylinder cylinder body (13)；
Part of the first hollow power-assisted sleeve (7) between front and rear electric cylinder is connected to the first force snesor (10), end effect
Race diameter size in reaction plate (20) outer ring and the first hollow power-assisted sleeve (7) is identical with reaction plate (20) diameter；
Rearmounted electric cylinder motor (17) is arranged on rearmounted electric cylinder cylinder body (13), post-motor cylinder body (13) front interior peace
Timing belt (15) equipped with two second belt wheels (16) of two second belt wheels (16) and connection, the belt wheel of lower section second (16) is connected to second
Leading screw (19)；
Second leading screw (19) passes through the second spring bearing (11) for being connected to side in rearmounted electric cylinder cylinder body (13), the second leading screw
(19) rear end is supported on rearmounted electric cylinder cylinder body (13) rear end, and the second leading screw (19) is horizontally disposed；
Feed screw nut (18) is connected to by ball on the outside of second leading screw (19) middle-end, feed screw nut (18) outside is close to preposition
Electric cylinder passes through the first hollow power-assisted sleeve (7) of rearmounted electric cylinder cylinder body (13)；
Second hollow power-assisted set (14) of rearmounted electric cylinder withstands on feed screw nut (18) end face, and upper end is passed through against preposition electric cylinder
First hollow power-assisted sleeve (7) of rearmounted electric cylinder cylinder body (13)；
Second hollow power-assisted sleeve (14) end arranges the second force snesor in closing cylindrical shape on front side of its end
(25), end effect is in reaction plate (20) inner ring, while the race diameter of the second hollow power-assisted sleeve (14) is equal to preposition electronic
The inner ring diameter of the hollow power-assisted sleeve (7) of cylinder first；
Reaction plate motion is arranged at rearmounted electric cylinder rear；It is that diameter is more than reaction plate (20) directly on the outside of reaction plate motion
Footpath and the circular hollow reaction plate support frame (21) with snap ring, return spring (23) end is placed in reaction plate support frame (21)
It is interior, and end is on the snap ring of reaction plate support frame (21)；
The T-shaped sophisticated end of reaction plate base (22) passes through return spring (23) axis, and planar section is abutted before return spring (23)
End；
Reaction plate (20) is tightly placed in survey, reaction plate support frame in reaction plate support frame (21) close to reaction plate base (22)
(21) end side is provided with displacement transducer (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710198539.6A CN107063660A (en) | 2017-03-29 | 2017-03-29 | A kind of simulating brake booster reaction plate working condition measurement system and method for testing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710198539.6A CN107063660A (en) | 2017-03-29 | 2017-03-29 | A kind of simulating brake booster reaction plate working condition measurement system and method for testing |
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| CN107063660A true CN107063660A (en) | 2017-08-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1940519A (en) * | 2005-09-27 | 2007-04-04 | 比亚迪股份有限公司 | Endurance performance testing method for starter |
| US20080302100A1 (en) * | 2007-06-05 | 2008-12-11 | Yukio Ohtani | Electric booster and method for manufacturing the same |
| US20110251769A1 (en) * | 2008-12-18 | 2011-10-13 | Reinhard Weiberle | Operation of a brake booster as a pedal simulator |
| US20130291609A1 (en) * | 2011-01-13 | 2013-11-07 | Sintokogio, Ltd. | Electric cylinder system |
| CN106441877A (en) * | 2016-11-08 | 2017-02-22 | 宁波拓普智能刹车系统有限公司 | Feedback plate testing device and method |
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2017
- 2017-03-29 CN CN201710198539.6A patent/CN107063660A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1940519A (en) * | 2005-09-27 | 2007-04-04 | 比亚迪股份有限公司 | Endurance performance testing method for starter |
| US20080302100A1 (en) * | 2007-06-05 | 2008-12-11 | Yukio Ohtani | Electric booster and method for manufacturing the same |
| US20110251769A1 (en) * | 2008-12-18 | 2011-10-13 | Reinhard Weiberle | Operation of a brake booster as a pedal simulator |
| US20130291609A1 (en) * | 2011-01-13 | 2013-11-07 | Sintokogio, Ltd. | Electric cylinder system |
| CN106441877A (en) * | 2016-11-08 | 2017-02-22 | 宁波拓普智能刹车系统有限公司 | Feedback plate testing device and method |
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