CN108061627A - Electronic parking actuator sealing performance test method - Google Patents

Electronic parking actuator sealing performance test method Download PDF

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Publication number
CN108061627A
CN108061627A CN201711402548.9A CN201711402548A CN108061627A CN 108061627 A CN108061627 A CN 108061627A CN 201711402548 A CN201711402548 A CN 201711402548A CN 108061627 A CN108061627 A CN 108061627A
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CN
China
Prior art keywords
actuator
electronic parking
plate
parking actuator
sealing performance
Prior art date
Application number
CN201711402548.9A
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Chinese (zh)
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CN108061627B (en
Inventor
顾宏超
徐治平
李国军
疏涛
吴宏城
Original Assignee
芜湖全程智能科技有限公司
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Priority to CN201711402548.9A priority Critical patent/CN108061627B/en
Publication of CN108061627A publication Critical patent/CN108061627A/en
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Publication of CN108061627B publication Critical patent/CN108061627B/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

Abstract

The invention discloses a kind of electronic parking actuator sealing performance test method, using test equipment, and including step:S1, electronic parking actuator is positioned on actuator positioner and positioned, then jacked actuator positioner upwards by jacking apparatus, until actuator positioner rises to top dead centre position;S2, the electronic parking actuator on actuator positioner is compressed by actuator pressing device, and the openend of the connector of electronic parking actuator is closed;S3, the openend of the housing of electronic parking actuator is closed by housing plugging device;S4, test gas is filled with to electronic parking actuator inside, leakage tester carries out leak-testing to electronic parking actuator.The test method of the present invention can easily test the sealing performance of electronic parking actuator using special test equipment, be improved the test job efficiency of the sealing performance of electronic parking actuator, it is ensured that product quality.

Description

Electronic parking actuator sealing performance test method

Technical field

The invention belongs to the electronic parking actuator technical field of processing equipment of motor vehicle electronic parking braking system, specifically Say that the present invention relates to a kind of electronic parking actuator sealing performance test methods in ground.

Background technology

In the implementation of the present invention, inventor has found that the prior art has at least the following problems:Motor vehicle electronic is stayed The electronic parking actuator of vehicle braking system need to be sealed performance test, traditional technology is using manually survey after the completion of assembling Examination, work efficiency is low, and test result accuracy is inadequate.

The content of the invention

It is contemplated that at least solve one of technical problem in the prior art.For this purpose, the present invention provides a kind of electricity Sub- parking actuator sealing performance test method, it is therefore an objective to improve the test job efficiency of electronic parking actuator sealing performance.

To achieve these goals, the technical solution taken of the present invention is:Electronic parking actuator sealing performance test side Method, using test equipment, and including step:

S1, electronic parking actuator to be tested be positioned on the actuator positioner of test equipment position, Then actuator positioner is jacked upwards by the jacking apparatus of test equipment, until actuator positioner rises to only At point position;

S2, by test equipment actuator pressing device compress actuator positioner on electronic parking actuator, and The openend of the connector of electronic parking actuator is closed;

S3, the openend of the housing of electronic parking actuator is closed by the housing plugging device of test equipment;

S4, test gas is filled with to electronic parking actuator inside, leakage tester lets out electronic parking actuator Test leakage tries.

The actuator positioner includes positioning plate, is arranged on positioning plate and for placing electronic parking execution It the locating piece of device and is arranged on locating piece and the actuator positioning pin for being positioned to electronic parking actuator.

The actuator positioning pin sets multiple and actuator positioning pin to be vertically arranged on the locating piece, and electronics is stayed The housing of vehicle actuator has the hole that actuator positioning pin is allowed to be inserted into.

The jacking apparatus includes being arranged at below the positioning plate and for providing support to actuator positioner Supporting plate and be arranged on supporting plate and the lower positioning pin for being positioned to actuator positioner, the positioning plate have The location hole that lower positioning pin is allowed to be inserted into.

The jacking apparatus further includes that the supporting plate is controlled vertically to carry out mobile jacking cylinder and supporting plate It the lower guide rod of connection and is sheathed on lower guide rod and the lower guide plate below supporting plate, lower guide plate, which has, allows lower guiding The lower pilot hole of bar insertion.

The actuator pressing device includes being located above the actuator positioner and for performing electronic parking Device applies the seaming chuck assembly of pressing force, is arranged on seaming chuck assembly and for making opening for the connector of electronic parking actuator The side that mouth end seal is closed blocks assembly and for seaming chuck assembly to be controlled vertically to carry out mobile drive assembly.

The side closure assembly includes plug installing plate, is arranged on plug installing plate and for electronic parking to be performed The side plug and be connected with plug installing plate and be used to control plug installing plate along vertical side that the openend of the connector of device is closed Cylinder is blocked to mobile side is carried out, side closure cylinder is connected with the seaming chuck assembly, and side plug is using polyurethane Or gasket made of silica gel material.

The seaming chuck assembly includes top hold-down, is arranged on top hold-down and for applying to electronic parking actuator The compressor arm of pressing force and the pressure head connecting plate being connected with top hold-down and the drive assembly, compressor arm set multiple and press Tight bar is located at the top of the locating piece.

The drive assembly include compression cylinder, be connected with compression cylinder and the pressure head connecting plate guide rod connecting plate, With upper guide rod that guide rod connecting plate is connected and being sheathed on the upper guide plate on upper guide rod and above guide rod connecting plate, on Guide plate has the upper pilot hole that guide rod is allowed to be inserted into.

The housing plugging device include for close electronic parking actuator housing openend bottom plug and It is connected with bottom plug and for bottom plug to be controlled vertically to carry out mobile bottom closure cylinder.

The electronic parking actuator sealing performance test method of the present invention, can be easily right using special test equipment The sealing performance of electronic parking actuator is tested, and improves the test job effect of the sealing performance of electronic parking actuator Rate, it is ensured that product quality.

Description of the drawings

This specification includes the following drawings, and shown content is respectively:

Fig. 1 is the structure diagram for the test equipment that the present invention uses;

Fig. 2 is the partial structural diagram of test equipment;

Fig. 3 is the structure diagram of actuator positioner;

Fig. 4 is the structure diagram of actuator pressing device;

Fig. 5 is the assembling schematic diagram of actuator positioner and jacking apparatus and housing plugging device;

In figure mark for:1st, test table;2nd, leakage tester;3rd, actuator positioner;301st, positioning plate; 302nd, locating piece;303rd, actuator positioning pin;304th, location hole;305th, locating slot;306th, avoid holes;4th, jacking apparatus;401、 Supporting plate;402nd, lower positioning pin;403rd, jacking cylinder;404th, lower guide plate;405th, lower guide rod;5th, actuator pressing device; 501st, compression cylinder;502nd, upper guide rod;503rd, upper guide plate;504th, guide rod connecting plate;505th, pressure head connecting plate;506th, top Pressing plate;507th, side closure cylinder;508th, plug installing plate;509th, compressor arm;6th, housing plugging device;601st, bottom closure gas Cylinder;602nd, bottom plug;7th, limiting device;701st, support plate;702nd, limiting plate;8th, housing;9th, connector.

Specific embodiment

Below against attached drawing, by the description of the embodiment, making to the specific embodiment of the present invention further details of Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution Solution, and contribute to its implementation.

The present invention provides a kind of electronic parking actuator sealing performance test methods, are set by using dedicated test It is standby, realize the test of the sealing performance of electronic parking actuator.As shown in Figures 1 to 5, which includes test table 1st, leakage tester 2, for place electronic parking actuator actuator positioner 3, for controlling actuator positioner 3 It vertically carries out mobile jacking apparatus 4, pressing force and perform electronic parking for applying to electronic parking actuator The actuator pressing device 5 of the openend closing of the connector of device and the opening end seal for making the housing of electronic parking actuator The housing plugging device 6 closed, housing plugging device 6 and actuator pressing device 5 are arranged on test table 1.Leak-testing Instrument 2 is arranged on test table 1, and housing plugging device 6 is located at the lower section of actuator pressing device 5.

Specifically, electronic parking actuator sealing performance test method of the invention includes the steps:

S1, electronic parking actuator to be tested be positioned on the actuator positioner of test equipment position, Then actuator positioner is jacked upwards by the jacking apparatus of test equipment, until actuator positioner rises to only At point position;

S2, by test equipment actuator pressing device compress actuator positioner on electronic parking actuator, and The openend of the connector of electronic parking actuator is closed;

S3, the openend of the housing of electronic parking actuator is closed by the housing plugging device of test equipment;

S4, test gas is filled with to electronic parking actuator inside, leakage tester lets out electronic parking actuator Test leakage tries.

Electronic parking actuator is for converting electrical energy into rotation function, generates the brake(-holder) block for making electronic brake system The driving force to move linearly compared with brake disc along the direction parallel with the axial direction of brake disc so that brake(-holder) block clamp or Take-off the brake disk.Electronic parking actuator mainly include housing, the motor for being arranged at enclosure interior, planetary gear reducing mechanism and Gear drive, gear drive are used to the power that motor generates being transferred to planetary gear reducing mechanism.

As shown in Figure 1 to Figure 3, actuator positioner 3 includes positioning plate 301, is arranged on positioning plate 301 and uses In place electronic parking actuator locating piece 302 and be arranged on locating piece 302 and for electronic parking actuator carry out The actuator positioning pin 303 of positioning.Positioning plate 301 be it is horizontally disposed, positioning plate 301 by jacking apparatus 4 provide positioning and Supporting role, positioning plate 301 are rectangular flat, the length direction and width of positioning plate 301 with horizontal direction phase It is parallel.Locating piece 302 is fixedly installed on the top surface of positioning plate 301, and locating piece 302, which has, allows the shell of electronic parking actuator The locating slot 305 of body insertion, locating slot 305 are to be formed from the top surface of locating piece 302 initially towards the internal recess of locating piece 302 Groove, locating slot 305 and the shape of the housing of electronic parking actuator match.Actuator positioning pin 303 set it is multiple and Actuator positioning pin 303 is vertically arranged on locating piece 302, and housing has the hole that actuator positioning pin 303 is allowed to be inserted into.It performs Device positioning pin 303 is vertically arranged to be stretched out on the locating piece 302 and top of the insertion locating piece 302 of actuator positioning pin 303, is held The axis of row device positioning pin 303 is located in vertical plane, and the top surface of locating piece 302 is for placing the housing of electronic parking actuator Positioning surface, actuator positioning pin 303 extend out to the top face of locating piece 302, convenient for the shell of embedded electronic parking actuator In hole on body, the accurate positionin to the housing of electronic parking actuator is realized.

In the present embodiment, as shown in figure 3, actuator positioning pin 303 sets two, actuator positioning pin 303 is cylinder Pin, two actuator positioning pins 303 are on the same straight line parallel with the length direction of positioning plate 301.

As shown in Figure 1, Figure 2 with shown in Fig. 5, jacking apparatus 4 includes being arranged at 3 lower section of actuator positioner and for performing Device positioner 3 provides the supporting plate 401 of support and is arranged on supporting plate 401 and is used to position actuator positioner 3 Lower positioning pin 402, positioning plate 301 has the location hole 304 that lower positioning pin 402 is allowed to be inserted into.Supporting plate 401 and positioning plate 301 is parallel and supporting plate 401 is that positioning plate 301 is provided a supporting role in the lower section of positioning plate 301, and supporting plate 401 is square Shape tablet, the length direction and width of supporting plate 401 are horizontal direction, and lower positioning pin 402 is fixedly installed on supporting plate 401 On, lower positioning pin 402 is simultaneously vertically arranged, and lower positioning pin 402 is straight pin, and the axis of lower positioning pin 402 is located in vertical plane. As shown in figure 3, location hole 304 is circular hole, the diameter of location hole 304 is identical with the diameter of lower positioning pin 402, location hole 304 and on positioning plate 301 along thickness of slab direction through the through hole set, lower positioning pin 402 is inserted into location hole 304, keeps away Exempt from actuator positioner 3 to move, to electronics when realizing the accurate positionin of actuator positioner 3, and then realizing assembling The accurate positionin of parking actuator.As preference, lower positioning pin 402 sets multiple, corresponding location hole 304 is also provided with more A, the quantity of location hole 304 is identical with the quantity of lower positioning pin 402, and each lower positioning pin 402 is inserted into a location hole respectively In 304.

In the present embodiment, as shown in Fig. 2, Fig. 3 and Fig. 5, lower positioning pin 402 sets two, determines on positioning plate 301 Position hole 304 sets two, and two lower positioning pins 402 are on the same straight line parallel with the length direction of supporting plate 401, positioning Block 302 is located at two lower 402 positions in the middle of positioning pin.

As shown in Figure 1, Figure 2 with shown in Fig. 5, jacking apparatus 4 further includes that supporting plate 401 is controlled vertically to carry out movement It jacking cylinder 403, the lower guide rod 405 being connected with supporting plate 401 and is sheathed on lower guide rod 405 and positioned at the lower section of supporting plate 401 Lower guide plate 404, lower guide plate 404 has the lower pilot hole that lower guide rod 405 is allowed to be inserted into.Lower guide plate 404 and supporting plate 401 Parallel, lower guide plate 404 is fixedly connected with test table 1, lower guide plate 404 be rectangular flat, the length of lower guide plate 404 It is horizontal direction to spend direction and width, and lower pilot hole is logical through what is set along thickness of slab direction on lower guide plate 404 Hole, lower guide rod 405 are vertically arranged, lower pilot hole be circular hole, lower guide rod 405 be round bar body, the diameter of lower guide rod 405 Identical with the diameter of lower pilot hole, lower guide rod 405 passes through lower pilot hole, and lower guide rod 405 is simultaneously located under supporting plate 401 Side, the upper end of lower guide rod 405 is fixedly connected with supporting plate 401.Lower guide rod 405 is engaged with lower guide plate 404, to supporting plate 401 play the guiding role, it is ensured that supporting plate 401 vertically does stable linear motion.Jacking cylinder 403 is located at supporting plate 401 Lower section, jacking cylinder 403 are simultaneously fixedly connected with lower guide plate 404, and jacking cylinder 403 is vertically arranged, the work of jacking cylinder 403 Stopper rod is fixedly connected with supporting plate 401, flexible by jacking cylinder 403, controls supporting plate 401 and actuator positioner 3 thereon Vertically do linear reciprocating motion.

As shown in Figure 2 and Figure 5, lower guide rod 405 sets one, and lower pilot hole is also provided with one, and lower guide rod 405 is inserted into In lower pilot hole, jacking cylinder 403 sets one, and jacking cylinder 403 and lower guide rod 405 are in the length side with supporting plate 401 On parallel same straight line, jacking cylinder 403 and lower pilot hole one end on the length direction of supporting plate 401 respectively.

As shown in Figures 1 to 5, electronic parking actuator sealing performance test equipment of the invention is further included for vertical The limiting device 7 of position-limiting action is played on direction to actuator positioner 3, which includes support plate 701 and be arranged at In support plate 701 and positioned at the limiting plate 702 of 301 top of positioning plate.Support plate 701 is vertically arranged, support plate 701 and with Test table 1 is fixedly connected, and limiting plate 702 is fixedly installed in support plate 701, length direction and the level of limiting plate 702 Direction is parallel.Limiting plate 702 is fixedly connected with the upper end of support plate 701 and limiting plate 702 is in the horizontal direction towards support plate 701 one side is stretched out, when jacking apparatus 4 promotes actuator positioner 3 to move up, when positioning plate 301 top surface with After limiting plate 702 contacts, illustrate that actuator positioner 3 rises in place, limiting plate 702 is engaged clamping with supporting plate 401 at this time Positioning plate 301 realizes the fixation of actuator positioner 3.As preference, limiting device 7 sets multiple, each /V dress It puts 7 to be respectively located at different position, all limiting devices 7 are arranged according to two row, and the multiple limiting devices 7 respectively arranged are located respectively In on the same straight line parallel with the length direction of positioning plate 301, and two row limiting devices 7 be it is symmetrical, it is each to arrange Multiple limiting devices 7 to be sequentially arranged along the length direction of positioning plate 301, multiple limiting devices 7 are engaged, jointly to holding Row device positioner 3 plays position-limiting action, it is ensured that /V is reliable so that 301 uniform force of positioning plate, stability is strong, reliably Property is good.

In the present embodiment, as shown in Figure 1, Figure 2 with shown in Fig. 5, limiting device 7 sets four altogether, and each limiting device 7 is distinguished At a right angle corner of positioning plate 301.

As shown in Figures 1 to 5, actuator pressing device 5 includes being located at 3 top of actuator positioner and for electronics Parking actuator applies the seaming chuck assembly of pressing force, is arranged on seaming chuck assembly and the company for making electronic parking actuator Connect the side closure assembly of the openend closing of device and for controlling the driving that seaming chuck assembly vertically carries out movement total Into.The connector of electronic parking actuator is provided on housing, and connector is simultaneously stretched out towards the outside of housing, and connector is to use In grafting harness, one end of connector is fixedly connected with the casing, and the other end of connector has the opening that harness is allowed to be inserted into, this is opened Mouth is connected with the inner cavity of housing, therefore need to be by the closure of openings of connector during test.Side blocks assembly and is installed including plug Plate 508 is arranged on plug installing plate 508 and is used for the side plug for closing the openend of the connector of electronic parking actuator Be connected with plug installing plate 508 and block cylinder for plug installing plate 508 to be controlled vertically to carry out mobile side 507, side closure cylinder 507 is connected with seaming chuck assembly.Side plug is for the opening with the connector of electronic parking actuator The end face fitting at end, by the closure of openings of the openend of connector, side plug is using made of polyurethane or silica gel material Gasket, good seal performance.

As shown in Figures 1 to 5, seaming chuck assembly include top hold-down 506, be arranged on top hold-down 506 and for pair The pressure head connection that electronic parking actuator applies the compressor arm 509 of pressing force and is connected with top hold-down 506 and drive assembly Plate 505, compressor arm 509 set multiple and compressor arm 509 to be located at the top of locating piece 302.Drive assembly includes compression cylinder 501st, the guide rod connecting plate 504 that is connected with compression cylinder 501 and pressure head connecting plate 505, be connected with guide rod connecting plate 504 on lead To bar 502 and it is sheathed on the upper guide plate 503 on upper guide rod 502 and above guide rod connecting plate 504, upper guide plate 503 With the upper pilot hole that upper guide rod 502 is allowed to be inserted into.Upper guide plate 503 is parallel with lower guide plate 404, upper guide plate 503 with Test table 1 is fixedly connected, and upper guide plate 503 is rectangular flat, and the length direction and width of upper guide plate 503 are Horizontal direction, for upper pilot hole to run through the through hole set along thickness of slab direction on upper guide plate 503, upper guide rod 502 is vertical It sets, upper pilot hole is circular hole, and upper guide rod 502 is round bar body, the diameter of upper guide rod 502 and the diameter of upper pilot hole Identical, upper guide rod 502 passes through lower pilot hole, upper guide rod 502 and the top for being located at guide rod connecting plate 504, upper guide rod 502 Lower end be fixedly connected with guide rod connecting plate 504.Upper guide plate 503 is fixed setting, upper guide rod 502 and upper guide plate 503 It is engaged, play the guiding role to guide rod connecting plate 504 and seaming chuck assembly, it is ensured that guide rod connecting plate 504 and seaming chuck assembly edge Vertical direction does stable linear motion.Jacking cylinder 403 is located at the lower section of guide rod connecting plate 504, compression cylinder 501 and under Guide plate 404 is fixedly connected, and compression cylinder 501 is vertically arranged, and the piston rod and guide rod connecting plate 504 of compression cylinder 501 are solid Fixed connection, flexible by compression cylinder 501, control guide rod connecting plate 504 and seaming chuck assembly vertically do reciprocating linear Movement.Upper guide rod 502 sets parallel two, and upper pilot hole is also provided with two, and each upper guide rod 502 is inserted into one respectively In a upper pilot hole, compression cylinder 501 is located between two upper guide rods 502.Pressure head connecting plate 505 is vertically arranged, pressure head For connecting plate 505 between top hold-down 506 and guide rod connecting plate 504, top hold-down 506 is parallel with guide rod connecting plate 504, The upper end of pressure head connecting plate 505 is fixedly connected with guide rod connecting plate 504, and the lower end of pressure head connecting plate 505 and top hold-down 506 are solid Fixed connection, pressure head connecting plate 505 is simultaneously perpendicular with guide rod connecting plate 504 and top hold-down 506, and pressure head connecting plate 505 sets phase There is a certain distance, two pressure head connecting plates 505 are pressed respectively on top between parallel two and two pressure head connecting plates 505 The both ends of plate 506 are fixedly connected with top hold-down 506, it is ensured that seaming chuck assembly is connected reliably with drive assembly.Compressor arm 509 is The rod component being vertically arranged, compressor arm 509 are stretched out towards the lower section of top hold-down 506, and upper end and the top of compressor arm 509 are pressed Plate 506 is fixedly connected, and the lower end surface of compressor arm 509 is the seal face contacted for the housing with electronic parking actuator, should Seal face is the plane perpendicular with vertical direction, and compressor arm 509 is at the fixed ear on the housing of electronic parking actuator Pressing force is applied to the housing of electronic parking actuator, the housing of electronic parking actuator is to be installed at fixed ear by bolt On the caliper of caliper, the fixed ear of the housing of electronic parking actuator, which has, allows the bolt hole that bolt passes through, and the bolt Hole also serves as the hole that actuator positioning pin 303 is allowed to be inserted into, and compressor arm 509 is located at the top of actuator positioning pin 303, compressor arm 509 diameter is more than the diameter of the bolt hole in the fixed ear of the housing of electronic parking actuator.It is right in actuator pressing device 5 After the housing of electronic parking actuator applies pressing force, electronic parking actuator is pressed on locating piece by actuator pressing device 5 On 302, actuator pressing device 5 and actuator positioner 3 are engaged, and realize the positioning and fixation of electronic parking actuator, The seal face of compressor arm 509 is in contact with the top surface at the fixed ear of the housing of electronic parking actuator, and the bottom surface of fixed ear is simultaneously It is in contact with the top surface of locating piece 302.Actuator pressing device 5 is at the fixed ear of the housing of electronic parking actuator to electronics Parking actuator applies pressing force, it is not easy to cause the damage of electronic parking actuator, and ensure that electronic parking actuator is consolidated It is fixed reliable.

As shown in Figures 1 to 5, there are two the fixed ear of the housing of electronic parking actuator has and two fixed ears are symmetrical Arrangement, compressor arm 509 are also provided with two, and two compressor arms 509 are in parallel with the length direction of top hold-down 506 same On straight line and each compressor arm 509 is located at the surface of an actuator positioning pin 303 respectively, and two compressor arms 509 exist respectively Pressing force is applied to electronic parking actuator at two fixed ears on the housing of electronic parking actuator so that electronic parking is held Row device uniform force, it is fixed reliable.

As shown in Figures 1 to 5, closure cylinder 507 in side is vertically arranged, side closure cylinder 507 and pressure head connecting plate 505 are fixedly connected and side closure cylinder 507 is located at the same side of two compressor arms 509, and plug installing plate 508 is blocked with side The piston rod of cylinder 507 is fixedly connected, and the cylinder body of side closure cylinder 507 is fixedly connected with two pressure head connecting plates 505, plug Installing plate 508 and the lower section that the cylinder body of cylinder 507 is blocked positioned at side, the length direction of plug installing plate 508 and two compressions Same straight line where bar 509 is parallel, and side plug is mounted on the middle position on the length direction of plug installing plate 508.

As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, housing plugging device 6 includes the housing for closing electronic parking actuator Openend bottom plug 602 and be connected with bottom plug 602 and for bottom plug 602 to be controlled vertically to be moved Dynamic bottom closure cylinder 601.One end of housing is fixedly connected with connector, the other end of housing tool there are one opening and this open Mouth is circle, and the power output shaft of electronic parking actuator is inserted into the opening, which connects with the inner cavity of housing, therefore is surveyed The circular open of the openend of housing need to be closed during examination.Bottom plug 602 is cylinder, and bottom plug 602 is vertically arranged, Supporting plate 401, which has, allows the through hole that bottom plug 602 passes through, and positioning plate 301, which has, allows the through hole that bottom plug 602 passes through, fixed Position block 302 has the avoid holes 306 that bottom plug 602 is allowed to be embedded in, which connects with the through hole on positioning plate 301 And be coaxially disposed, supporting plate 401, positioning plate 301 and locating piece 302 are engaged, to play the guiding role to bottom plug 602, really Bottom plug 602 is protected vertically to move in a straight line.Avoid holes 306 on locating piece 302 are used for and electronic parking actuator Housing openend circular open alignment, after electronic parking actuator is fixed on locating piece 302, on locating piece 302 Avoid holes 306 and the circular open of the openend of the housing of electronic parking actuator be in coaxial and connected state, bottom is blocked up First 602 be in coaxial state with the circular open of the openend of the housing of electronic parking actuator, finally in bottom closure cylinder Under the action of 601, bottom plug 602 moves up, bottom plug 602 and the end of the openend of the housing of electronic parking actuator Face paste is closed, and the openend of the housing of electronic parking actuator is closed.

As shown in Figure 1, Figure 2 with shown in Fig. 5, bottom plug 602 is located at the top of lower guide plate 404, and bottom plug 602 is simultaneously located at Between jacking cylinder 403 and lower guide rod 405, bottom closure cylinder 601 is vertically arranged, and bottom closure cylinder 601 is located at bottom The lower section of portion's plug 602, the lower end of bottom plug 602 are fixedly connected with the piston rod of bottom closure cylinder 601, bottom closure gas The cylinder body of cylinder 601 is fixedly connected with lower guide plate 404 and the cylinder body of bottom closure cylinder 601 is located at the lower section of lower guide plate 404. Bottom closure cylinder 601 is flexible, and control bottom plug 602 vertically does straight reciprocating motion, so that bottom blocks cylinder The avoid holes 306 of 601 insertion locating pieces 302 are neutralized extracts out from avoid holes 306.As preference, the upper end of bottom plug 602 The O-ring seal that end face equipped with the openend for the housing with electronic parking actuator is bonded, improve bottom plug 602 with Leakproofness between the housing of electronic parking actuator, and then help to improve the sealing performance test knot of electronic parking actuator The accuracy of fruit.

The housing plugging device 6 of said structure is simple in structure, and arrangement is convenient, can realize the shell to electronic parking actuator The closing of body, sealing reliability are high, it is ensured that the accuracy of the sealing performance test result of electronic parking actuator.

As shown in Figure 1, leakage tester 2 is mounted on test table 1, leakage tester 2 is used to hold electronic parking Row device carries out leak-testing, and leakage tester 2 is test equipment well known to those skilled in the art, and details are not described herein.Such as Fig. 2 Shown in Fig. 4, plug installing plate 508 is additionally operable to guide test gas to the housing of electronic parking actuator to be tested Portion, plug installing plate 508 are connected by the source of the gas of tracheae and peripheral hardware, and plug installing plate 508 is certain by having for being provided by source of the gas The test gas of pressure is filled with the inside of the housing of electronic parking actuator, and plug installing plate 508 is internally provided with air flue, in side Face blocks assembly by after the openend closing of connector, and the air flue in plug installing plate 508 performs connector and electronic parking The inner cavity of the housing of device keeps connection, and the test gas that source of the gas provides enters electronic parking through the air flue in plug installing plate 508 In the inner cavity of the housing of actuator, and the pressure change inside electronic parking actuator is detected by leakage tester 2, and then realized The test of the sealing performance of electronic parking actuator.

The present invention is exemplarily described above in association with attached drawing.Obviously, the present invention implements and from above-mentioned side The limitation of formula.As long as employ the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress;Or not It is improved, the above-mentioned design of the present invention and technical solution are directly applied into other occasions, in protection scope of the present invention Within.

Claims (10)

1. electronic parking actuator sealing performance test method, which is characterized in that using test equipment, and including step:
S1, electronic parking actuator to be tested is positioned on the actuator positioner of test equipment positions, then Actuator positioner is jacked upwards by the jacking apparatus of test equipment, until actuator positioner rises to top dead centre position Put place;
S2, electronic parking actuator on actuator positioner is compressed by the actuator pressing device of test equipment, and by electricity The openend closing of the connector of sub- parking actuator;
S3, the openend of the housing of electronic parking actuator is closed by the housing plugging device of test equipment;
S4, test gas is filled with to electronic parking actuator inside, leakage tester carries out leakage survey to electronic parking actuator Examination.
2. electronic parking actuator sealing performance test method according to claim 1, which is characterized in that the actuator Positioner includes positioning plate, is arranged on positioning plate and for placing the locating piece of electronic parking actuator and being arranged at Actuator positioning pin on locating piece and for being positioned to electronic parking actuator.
3. electronic parking actuator sealing performance test method according to claim 2, which is characterized in that the actuator Positioning pin sets multiple and actuator positioning pin to be vertically arranged on the locating piece, and the housing of electronic parking actuator has The hole that actuator positioning pin is allowed to be inserted into.
4. the electronic parking actuator sealing performance test method according to Claims 2 or 3, which is characterized in that the top Rising device includes being arranged at below the positioning plate and for providing actuator positioner the supporting plate of support and being arranged at Lower positioning pin on supporting plate and for being positioned to actuator positioner, the positioning plate, which has, allows lower positioning pin to be inserted into Location hole.
5. electronic parking actuator sealing performance test method according to claim 4, which is characterized in that the jacking dress Put the lower guide rod and set for further including that the supporting plate is controlled vertically to carry out mobile jacking cylinder, be connected with supporting plate Lower guide plate on lower guide rod and below supporting plate, lower guide plate have the lower pilot hole that lower guide rod is allowed to be inserted into.
6. according to any electronic parking actuator sealing performance test method of claim 2 to 5, which is characterized in that institute Stating actuator pressing device includes being located above the actuator positioner and be compressed for applying to electronic parking actuator The seaming chuck assembly of power is arranged on seaming chuck assembly and for making the closing of the openend of the connector of electronic parking actuator Side blocks assembly and for seaming chuck assembly to be controlled vertically to carry out mobile drive assembly.
7. electronic parking actuator sealing performance test method according to claim 6, which is characterized in that the side envelope Stifled assembly includes plug installing plate, is arranged on plug installing plate and is used for the openend of the connector of electronic parking actuator It the side plug of closing and is connected with plug installing plate and for plug installing plate to be controlled vertically to carry out mobile side envelope Gas shutoff cylinder, side closure cylinder are connected with the seaming chuck assembly, and side plug is using close made of polyurethane or silica gel material Packing.
8. the electronic parking actuator sealing performance test method according to claim 6 or 7, which is characterized in that on described Pressure head assembly includes top hold-down, is arranged on top hold-down and the compressor arm for applying pressing force to electronic parking actuator And the pressure head connecting plate being connected with top hold-down and the drive assembly, it is described fixed that compressor arm sets multiple and compressor arm to be located at The top of position block.
9. electronic parking actuator sealing performance test method according to claim 8, which is characterized in that the driving is total It is connected into the guide rod connecting plate being connected including compression cylinder, with compression cylinder and the pressure head connecting plate, with guide rod connecting plate It upper guide rod and is sheathed on guide rod and the upper guide plate above guide rod connecting plate, upper guide plate, which has, allows guiding The upper pilot hole of bar insertion.
10. according to any electronic parking actuator sealing performance test method of claim 2 to 9, which is characterized in that institute Stating housing plugging device includes the bottom plug and and bottom plug of closing the openend of the housing of electronic parking actuator It connects and for bottom plug to be controlled vertically to carry out mobile bottom closure cylinder.
CN201711402548.9A 2017-12-22 2017-12-22 Method for testing sealing performance of electronic parking actuator CN108061627B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711402548.9A CN108061627B (en) 2017-12-22 2017-12-22 Method for testing sealing performance of electronic parking actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711402548.9A CN108061627B (en) 2017-12-22 2017-12-22 Method for testing sealing performance of electronic parking actuator

Publications (2)

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CN108061627A true CN108061627A (en) 2018-05-22
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09145521A (en) * 1995-11-20 1997-06-06 Daihatsu Motor Co Ltd Airtightness tester for fuel tank
CN203376129U (en) * 2013-07-23 2014-01-01 山东德立信液压有限公司 Shell gas tightness detection device
CN203894008U (en) * 2014-06-04 2014-10-22 颜贵斌 Flexible seal measurement mechanism
CN204165202U (en) * 2014-07-30 2015-02-18 湖北开特汽车电子电器系统股份有限公司 Bayonet type installs the air door actuator of automobile air-conditioner bindiny mechanism of location
CN105067193A (en) * 2015-07-30 2015-11-18 太仓源凯汽车配件有限公司 Performer leak detector and application method thereof
CN205300858U (en) * 2015-12-23 2016-06-08 安徽米科智能科技有限公司 Reduction gear is with airtight shutoff machine
CN106441737A (en) * 2016-11-30 2017-02-22 芜湖全程智能科技有限公司 Leakage testing method for electronic parking brake
CN106768697A (en) * 2016-11-30 2017-05-31 芜湖全程智能科技有限公司 For the frock of electric parking brake leak-testing
CN106768698A (en) * 2016-11-30 2017-05-31 芜湖全程智能科技有限公司 For the frock of electric parking brake air tightness test
CN206223363U (en) * 2016-11-28 2017-06-06 芜湖全程智能科技有限公司 ABS magnetic valve high-voltage testing devices

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09145521A (en) * 1995-11-20 1997-06-06 Daihatsu Motor Co Ltd Airtightness tester for fuel tank
CN203376129U (en) * 2013-07-23 2014-01-01 山东德立信液压有限公司 Shell gas tightness detection device
CN203894008U (en) * 2014-06-04 2014-10-22 颜贵斌 Flexible seal measurement mechanism
CN204165202U (en) * 2014-07-30 2015-02-18 湖北开特汽车电子电器系统股份有限公司 Bayonet type installs the air door actuator of automobile air-conditioner bindiny mechanism of location
CN105067193A (en) * 2015-07-30 2015-11-18 太仓源凯汽车配件有限公司 Performer leak detector and application method thereof
CN205300858U (en) * 2015-12-23 2016-06-08 安徽米科智能科技有限公司 Reduction gear is with airtight shutoff machine
CN206223363U (en) * 2016-11-28 2017-06-06 芜湖全程智能科技有限公司 ABS magnetic valve high-voltage testing devices
CN106441737A (en) * 2016-11-30 2017-02-22 芜湖全程智能科技有限公司 Leakage testing method for electronic parking brake
CN106768697A (en) * 2016-11-30 2017-05-31 芜湖全程智能科技有限公司 For the frock of electric parking brake leak-testing
CN106768698A (en) * 2016-11-30 2017-05-31 芜湖全程智能科技有限公司 For the frock of electric parking brake air tightness test

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