CN107192545A - A kind of durability test apparatus and its system and endurance test method - Google Patents
A kind of durability test apparatus and its system and endurance test method Download PDFInfo
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- CN107192545A CN107192545A CN201710501787.3A CN201710501787A CN107192545A CN 107192545 A CN107192545 A CN 107192545A CN 201710501787 A CN201710501787 A CN 201710501787A CN 107192545 A CN107192545 A CN 107192545A
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- car bonnet
- car
- bonnet
- door
- test device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
A kind of durability test apparatus and its system and endurance test method, are related to automotive field.The car door test device of the durability test apparatus greatly reduces the reverse impact power that car door brings car door test device by setting the flexible connecting member being flexibly connected with car door on mechanical rotation arm；The car bonnet test device of the durability test apparatus is by setting car bonnet connector and control assembly so that instant being in during normal working in reciprocating mode of car bonnet test device is connected or released state.Therefore, above-mentioned durability test apparatus and its system show higher testing efficiency and test reliability, with important industrial application value on the basis of reduction car door reverse impact power, extension fixture service life.In addition, the endurance test method provided based on above-mentioned car bonnet test device by using proximity switch so that the automatization level of car bonnet test device is able to further be lifted, substantially increase the testing efficiency during long duration test.
Description
Technical field
The present invention relates to automotive field, in particular to a kind of durability test apparatus and its system and long duration test side
Method.
Background technology
With continuing to develop for auto industry, people are to the quality requirement more and more higher of vehicle, the car door and car bonnet of automobile
It is the automobile component directly contacted with consumer, automobile needs to carry out endurance quality examination to the car door and car bonnet of automobile before listing
Test.
However, be easy to impact experimental rig itself in existing experimental rig, influence experiment structure and
The life-span of experimental rig, also, the opening and closing mode of the car bonnet simulated of existing experimental rig and car door and actual use process
In situation gap than larger, it is impossible to the real endurance quality for reflecting car bonnet and car door.
The content of the invention
It is an object of the invention to provide a kind of durability test apparatus, it is capable of the opening and closing of real simulated automotive car door
Journey, substantially reduces the vibrations for durability test apparatus stand, so as to obtain accurate result of the test.
Another object of the present invention is to provide a kind of endurance testing system, it can reduce car door for test-bed
Vibrations, and can really simulate the opening and closing process of arrangements for automotive doors and front and rear car bonnet, accurately reflect arrangements for automotive doors and
The endurance quality of front and rear covers.
Another object of the present invention is to provide a kind of endurance test method, it really can be opened simulated automotive car bonnet
Closing process, more structurally sound test result is provided for the car bonnet endurancing of automobile, is conducive to improving the overall product of automobile
Matter.
What embodiments of the invention were realized in：
A kind of durability test apparatus, it includes car door test device, and car door test device includes the car for being used to be opened and closed car door
Door open/close machine and the drive device for driving opening/closing door of vehicle mechanism to be rotated, wherein, opening/closing door of vehicle mechanism, which has, to be rotated
Axle and for the mechanical rotation arm with rotary shaft synchronous axial system, drive device with rotary shaft by being connected so that machinery turns
Swing arm can reciprocally be rotated around rotary shaft；Mechanical rotation arm is provided with the flexible connecting member for pulling open car door, mechanical rotation arm
When reciprocally rotating, accordingly by car door opening or closing.
In an embodiment of the present invention, above-mentioned durability test apparatus also includes car bonnet test device, car bonnet test dress
Put including the connection component for being attached with car bonnet, connection component includes car bonnet connector and for controlling car bonnet connector
The control assembly of connection status, car bonnet connector can be such that car bonnet connector is surveyed with car bonnet in car bonnet by the control of control assembly
Trial assembly is put in the course of work reciprocally in connection or released state.
In an embodiment of the present invention, above-mentioned drive device is connected including motor and with motor
Transmission mechanism, and transmission mechanism and rotary shaft drive connection.
In an embodiment of the present invention, above-mentioned motor is servomotor, and transmission mechanism includes leading screw, sliding shoe
And rack, leading screw is fixedly connected with the rotor coaxial of motor, and sliding shoe is sheathed on leading screw and is connected with threads of lead screw, rack
It is fixedly connected with sliding shoe so that leading screw is when with motor synchronous axial system, and sliding shoe band carry-over bar is along rack length side
To moving back and forth, rotary shaft is connected with the circular tooth disk engaged with rack.
In an embodiment of the present invention, above-mentioned transmission mechanism includes turn of turbine and worm screw, worm screw and motor
Son is fixedly and coaxially connected, and turbine is engaged with worm screw, and turbine is connected with rotary shaft.
In an embodiment of the present invention, above-mentioned mechanical rotation arm includes cursor connecting portion, the first cursor and the
Two cursors, cursor connecting portion is fixedly connected with the rotating shaft, the first cursor and the second cursor with cursor connecting portion
It is fixedly connected and together the axial line around rotary shaft is rotated；Above-mentioned second cursor and the first cursor are in same vertical plane
The same side interior and positioned at rotary shaft, flexible connecting member is connected to the one end of the first cursor away from rotary shaft, the second cursor
One end away from rotary shaft is provided with the elastic projection for pushing away closing of the door.
In an embodiment of the present invention, above-mentioned car bonnet test device includes car bonnet machinery frame, car bonnet mechanical arm and car
Lid driving structure, car bonnet mechanical arm and car bonnet machinery frame are rotated and are connected, the two ends of car bonnet driving structure respectively with car bonnet machinery frame
It is flexibly connected with car bonnet mechanical arm so that car bonnet mechanical arm is up and down reciprocatingly rotated fortune under the driving of car bonnet driving structure
It is dynamic；Car bonnet connector is arranged at the one end of car bonnet mechanical arm away from car bonnet mechanical arm center of rotation；Above-mentioned car bonnet driving structure is set
It is equipped with for detecting the reciprocating proximity switch of car bonnet driving structure；Above-mentioned car bonnet connector is rubber suction cups, control assembly
Including the air pressure transmitting assembly matched with rubber suction cups and the controller for controlling air pressure transmitting assembly, air pressure transmitting assembly and rubber
Glue suction cup sealed is connected, and controller is connected with air pressure transmission assembly communication.
In an embodiment of the present invention, the number of above-mentioned car door test device is four, is respectively used to automobile correspondence
Four car doors carry out durable test；The number of car bonnet test device is two, is respectively used to the front door car bonnet of automobile with after
Face car bonnet carries out durable test.Also, above-mentioned durability test apparatus also includes TT＆C system, and TT＆C system is by setting motion control
The reciprocating stroke and speed of opening/closing door of vehicle structure in fabrication control car door test device, TT＆C system is by setting data to adopt
Collect the connection status of card control car bonnet test device car bonnet connector and car bonnet in the operating condition.
A kind of endurance testing system, it includes above-mentioned durability test apparatus and the base for fixing durability test apparatus
Seat.
A kind of endurance test method, it comprises the following steps：
Car bonnet connector is controlled by control assembly, car bonnet connector is connected with car bonnet, is driven by car bonnet
Structure drives car bonnet mechanical arm, and the car bonnet connector for being connected to car bonnet mechanical arm drives car bonnet to start to open at；It is arranged on car bonnet
Proximity switch in driving structure detects car bonnet and reached behind position, and feedback signal, car bonnet driving knot are sent to car bonnet driving structure
Structure reverse drive, drives car bonnet to begin to shut off；During car bonnet is closed, control assembly is sent to car bonnet connector disconnects letter
Number, car bonnet connector is disconnected with car bonnet, and car bonnet free-falling is closed；Car bonnet connector is kept in the center, and first time long duration test is moved
Complete；First time long duration test action is repeated several times.
The beneficial effect of the embodiment of the present invention is：The car door test device that above-mentioned durability test apparatus includes passes through in machinery
The flexible connecting member being flexibly connected with car door is set on cursor so that mechanical rotation arm, can be corresponding in reciprocating rotation
The opening of true simulation car door and closing, and greatly reduction car door brings the reverse impact power of car door test device, so that
Obtain more structurally sound long duration test result.Therefore, above-mentioned durability test apparatus and its system are prolonged in reduction reverse impact power
On the basis of growth device service life so that durability test apparatus and its testing efficiency of system are higher, and test result more may be used
Lean on, show very strong industrial application value.
In addition, the endurance test method that is provided of the embodiment of the present invention by using proximity switch so that car bonnet test device
The gentle operating efficiency of Automated water be all able to further be lifted, with important application value.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 provides the structural representation of endurance testing system for first embodiment of the invention；
Fig. 2 provides the structural representation of car door test device for first embodiment of the invention；
Fig. 3 provides the planar structure schematic diagram of drive device for first embodiment of the invention；
Fig. 4 provides the structural representation of car bonnet test device for first embodiment of the invention；
Fig. 5 provides the structural representation of TT＆C system for first embodiment of the invention；
Fig. 6 provides the structural representation of endurance testing system for second embodiment of the invention；
Fig. 7 provides the structural representation of car door test device for second embodiment of the invention；
Fig. 8 provides the planar structure schematic diagram of the transmission mechanism of car door test device for second embodiment of the invention；
Fig. 9 provides the structural representation of the connection component in car bonnet test device for second embodiment of the invention.
Icon：10- endurance testing systems；20- endurance testing systems；12- pedestals；20- endurance testing systems；100- is durable
Experimental rig；110- opening/closing door of vehicle mechanism；111- circular tooth disks；112- rotary shafts；The cursors of 113- first；114- mechanical rotations
Arm；The cursors of 115- second；116- flexible connecting members；117- elastic projections；118- cursor connecting portions；120- car doors test dress
Put；220- car door test devices；130- drive devices；230- drive devices；131- shaft couplings；132- motors；133-
Thick stick；233- worm screws；134- transmission mechanisms；234- transmission mechanisms；135- sliding shoes；136- racks；236- worm gears；140- car bonnets are surveyed
Trial assembly is put；141- controllers；241- car bonnet observing and controlling adjusting meanss；142- car bonnet machinery frames；143- car bonnet connectors；243- car bonnets
Connector；144- car bonnet mechanical arms；145- connection components；245- connection components；146- car bonnet driving structures；147- control groups
Part；247- control assemblies；148- proximity switches；149- air pressure transmitting assemblies；249- is switched；180- TT＆C systems；181- numerals
Measure output port；181- digital quantity input ports；182- data collecting cards；184- motion control cards.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to which explanation, the orientation or position relationship of the instruction such as term " interior ", " outer " are base
In orientation shown in the drawings or position relationship, or the orientation usually put when using of the invention product or position relationship, only
It is to be described for the ease of the description present invention with simplified, rather than indicates or imply that the device or element of meaning must be with specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be the connection of two element internals.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
First embodiment
Fig. 1 is refer to, a kind of endurance testing system 10 is present embodiments provided, it is mainly used in automobile and carries out four-door two-lid
The test of long duration test.Endurance testing system 10 mainly includes durability test apparatus 100, for fixing durability test apparatus 100
Pedestal 12 and TT＆C system 180 for controlling durability test apparatus 100., wherein it is desired to explanation, durability test apparatus
100 are fixed on pedestal 12, and are communicated to connect with TT＆C system 180, by TT＆C system 180 to durability test apparatus 100
Carry out Automated condtrol.
Further, durability test apparatus 100 includes car door test device 120, car bonnet test device 140.Wherein, car door
Test device 120 has four, and general structure is essentially identical.Four car door test devices 120 are respectively arranged in pedestal 12 and are located at
The correspondence position of four car doors, comes to carry out long duration test test to the car door of automobile with this.Car bonnet test device 140 has two,
And general structure is also essentially identical.Two car bonnet test devices 140 are respectively arranged in pair of the pedestal 12 positioned at car bonnet before and after automobile
Position is answered, comes to carry out long duration test test to the front and rear car bonnet of automobile with this.It should be noted that above-mentioned four car doors test
Device 120 and two car bonnet test devices 140, are removably installed on pedestal 12, and three can be carried out on pedestal 12
The position adjustment in direction is tieed up, to meet the test request of different style automobiles.
Specifically, Fig. 2 is refer to, each car door test device 120 includes the opening/closing door of vehicle machine for being used to be opened and closed car door
Structure 110 and the drive device 130 for driving opening/closing door of vehicle mechanism 110 to be rotated.Wherein, opening/closing door of vehicle mechanism 110 has
Rotary shaft 112 and the mechanical rotation arm 114 with the synchronous axial system of rotary shaft 112.Drive device 130 is connected with rotary shaft 112
And powered rotatable axle 112 is rotated, therefore when drive device 130 is positive or inversely drives rotary shaft 112, mechanical rotation can make it that
Arm 114 is reciprocally rotated around rotary shaft 112.Mechanical rotation arm 114 is provided with the flexible connecting member 116 for pulling open car door, machine
When tool cursor 114 is reciprocally rotated, accordingly by car door opening or closing.
Further, the mechanical rotation arm 114 that the present embodiment is provided includes cursor connecting portion 118, the first cursor 113
With the second cursor 115.Further, the first cursor 113 and the second cursor 115 by cursor connecting portion 118 with turning
Moving axis 112 is fixedly connected and rotated around rotary shaft 112, and the second cursor 115 and the first cursor 113 are same vertical
In plane and positioned at the same side of rotary shaft 112, in addition, in order to ensure that the first cursor 113 and the second cursor 115 can have
The torque for having maximum goes to pull or promote car door, and the first cursor 113 and the second cursor 115 that the present embodiment is provided are vertical
In rotary shaft 112.It should be noted that among other embodiments, being not limited to this kind of machinery turn that the present embodiment is introduced
The layout type of swing arm 114, wherein, the number of mechanical rotation arm 114 can be it is multiple, such as 1,3, and be also not necessarily intended to
Perpendicular to rotary shaft 112, as long as can be rotated around rotary shaft 112.
Further, the direct force person of car door opening is the flexible connecting member 116 being connected on the first cursor 113.
Specifically, the flexible connecting member 116 that the present embodiment is provided uses tightrope, and tightrope is connected to the first cursor 113 away from rotation
One end of axle 112.After the cylinder tripper being built in car door unlocks car door, the first cursor 113 can be away from
The direction of car door is rotated, and then affects tightrope to pull open car door.First cursor 113 can pull car door in flexible connecting member 116
Stopped operating before opening completely, so that flexible connecting member 116 no longer has tractive force to car door, at the same time car door is at itself
Continue in the presence of inertia forward, until opening completely.It should be noted that during car door opening, rotary shaft 112
Position is correspondingly arranged at close to the position of car door rotating shaft, so in the same direction to be rotated together with car door, can cause flexible connecting member
116 direction of pull and the direction of motion of car door are consistent substantially, and the generation of component is avoided as far as possible, so that car door
Opening action is easier.
In addition, it is necessary to which, it is emphasized that the present embodiment is by using flexible connecting member 116, by the first cursor 113 and car door
It is flexibly connected so that during car door opening, does not give the first cursor 113 by the energy transmission of car door.So
Energy loss is not only reduced, the vibrations being subject to when the first cursor 113 stops are reduced, and due in whole car door opening
It is very close with just commonly using hand door opening action in action, so such simulation test data have more reference value.
Further, the direct force person of closing of the door is the elastic projection 117 being arranged on the second cursor 115.Tool
Body, the elastic projection 117 that the present embodiment is provided is preferably by foam cylinder.Elastic projection 117 is arranged at the second cursor
115 one end away from rotary shaft 112, the position of elastic projection 117 is corresponding with vehicle door handle, and due to elastic projection 117
The position of setting is located at the first cursor 113 and the place plane of the second cursor 115 close to the side of car door, so working as rotary shaft
112 drive during the second cursors 115 rotate to car door direction, and elastic projection 117 can touch car door first, and the
During two cursors 115 are rotated further, car door is promoted to be rotated to direction is closed, the second cursor 115 can be complete in car door
Stopped operating before contract fully, elastic projection 117 is separated with car door, car door is rotated further under effect of inertia until closing.
It should be noted that the closing of the door mode that the present embodiment is provided on the second cursor 115 by setting bullet
Property projection 117 so that the second cursor 115 rotate during, elastic projection 117 can promote car door to be closed
Close, and in the process of closing of the door, by stopping operating in advance for the second cursor 115, and then make full use of the used of car door
Property complete final to completely close action.Reverse punching of the closing of the door tail gate to the second cursor 115 can either so be reduced
Power is hit, the actual conditions during closing of the door more can be really simulated again, are conducive to obtaining more in long duration test process
Plus real result of the test.
Further, Fig. 3 is refer to, drive device 130 includes motor 132 and be driven with motor 132 to connect
The transmission mechanism 134 connect, and transmission mechanism 134 is connected with rotary shaft 112.Preferably, the driving electricity that the present embodiment is provided
Machine 132 is servomotor, and transmission mechanism 134 includes leading screw 133, sliding shoe 135 and rack 136, leading screw 133 and motor
132 rotor is fixedly and coaxially connected by shaft coupling 131, and sliding shoe 135 is sheathed on leading screw 133 and is threadedly coupled with leading screw 133,
Rack 136 is fixedly connected with sliding shoe 135 so that leading screw 133 is when with 132 synchronous axial system of motor, and sliding shoe 135 drives
Rack 136, and together moved back and forth with rack 136 along the length direction of rack 136.
Further, during rack 136 moves back and forth along its length direction, transmission mechanism 134 is
The power transmission to rotary shaft 112 is realized by the circular tooth disk 111 being engaged with rack 136 being set in rotary shaft 112,
The rotation of rotary shaft 112 can further drive the mechanical rotation arm 114 of connection fixed thereto.
Further, the present embodiment provide car bonnet test device 140 be mainly used for carry out automobile before and after car bonnet it is resistance to
Long experimental test.Specifically, Fig. 4 is refer to, car bonnet test device 140 includes car bonnet machinery frame 142, car bonnet mechanical arm 144, car
Lid driving structure 146 and the connection component 145 for being attached with car bonnet, wherein, car bonnet machinery frame 142 is fixed with pedestal 12
Connection, car bonnet mechanical arm 144 is rotated with car bonnet machinery frame 142 and is connected, and the two ends of car bonnet driving structure 146 are mechanical with car bonnet respectively
Frame 142 and car bonnet mechanical arm 144 are flexibly connected so that on car bonnet mechanical arm 144 is carried out under the driving of car bonnet driving structure 146
Lower crankmotion.
Further, connection component 145 includes car bonnet connector 143 and for controlling the connection status of car bonnet connector 143
Control assembly 147.Wherein, car bonnet connector 143 is arranged at car bonnet mechanical arm 144 away from the center of rotation of car bonnet mechanical arm 144
One end, and the position of car bonnet connector 143 is corresponding with the center of car bonnet upper surface, and car bonnet connector 143 passes through
The control of control assembly 147, makes car bonnet connector 143 be reciprocally in car bonnet in the course of work of car bonnet test device 140
Connection or released state.
Further, the car bonnet connector 143 that the present embodiment is provided is the rubber suction cups with opening, control assembly 147
Including the air pressure transmitting assembly 149 matched with rubber suction cups and the controller 141 of control air pressure transmitting assembly 149, air pressure transmission
Component 149 is passed including flexible rubber pipe and vacuum extractor, the two ends of flexible rubber pipe respectively with the blow vent of rubber suction cups and
Vacuum extractor is connected, and the vacuum extractor of controller 141 and air pressure transmitting assembly 149 is communicated to connect.
Further, car bonnet driving structure 146 is cylinder or oil cylinder, and the present embodiment is preferably from cylinder to car bonnet machinery
Arm 144 is driven；In addition, the car bonnet driving structure 146 of the present embodiment is additionally provided with for controlling car bonnet driving structure 146 past
The proximity switch 148 moved again, i.e., by controlling proximity switch 148 just can realize freely stretching for cylinder, so as to accurately control
The rotation of car bonnet mechanical arm 144 processed.
It should be noted that the operation principle for the car bonnet test device 140 that the present embodiment is provided is：Pass through controller 141
Air pressure transmitting assembly 149 is controlled, and then rubber suction cups is controlled, rubber suction cups is connected with car bonnet, is driven by cylinder
Car bonnet mechanical arm 144, the rubber suction cups for being connected to car bonnet mechanical arm 144 drives car bonnet to start to open at；When being arranged on cylinder
Proximity switch 148 detect car bonnet and reach behind position, feedback signal can be sent to rubber suction cups, now cylinder reverse drive, band
Motor-car lid is begun to shut off；Before car bonnet is completely closed, controller 141 sends cut-off signal to air pressure transmitting assembly 149, and rubber is inhaled
Air pressure increase in disk, and being disconnected with car bonnet, car bonnet under gravity free-falling to closed mode, so far, car bonnet
Once reciprocal opening and closing long duration test action is completed.
It is emphasized that the car bonnet test device 140 that the present embodiment is provided is by using above-mentioned connection component 145,
Reverse impact power and energy consumption that car bonnet test device 140 is subject to during car bonnet is closed not only are reduced, but also it is trueer
Real simulates behaviour in service of the car bonnet during real life so that the test result of car bonnet test device 140 more may be used
Lean on.
Further, the TT＆C system 180 set by endurance testing system 10 that the present embodiment is provided, is mainly used for pair
The control that durability test apparatus 100 is automated, specifically, refer to Fig. 5, the digital output end of data collecting card 182
Mouth 181 controls the action of the cylinder of car bonnet driving structure 146 and the break-make gas of the sucker of car bonnet connector 143 respectively, and then controls car
The working condition of lid test device 140 is got off the connection status of lid attachments 143 and car bonnet.Motion control card 184 is then by watching
The control processor for taking motor sends corresponding pulse to control the rotating speed and move distance of motor 132.Data are adopted simultaneously
The digital quantity input port 181 of truck 182 receives the signal of proximity switch 148 whether in place to monitor motion；Motion control card
184 gather the rotating speed and stroke of servomotor in real time, form a closed loop adjustable systems.
The present embodiment additionally provides a kind of endurance test method, and it is real on the basis of above-mentioned car bonnet test device 140
Apply, it is mainly included the following steps that：
The amount of gas pressure of air pressure transmitting assembly 149 is controlled by the controller 141 of control assembly 147, and then car bonnet is connected
Part 143 is controlled, and car bonnet connector 143 is connected with car bonnet, and car bonnet mechanical arm 144 is driven by car bonnet driving structure 146,
The car bonnet connector 143 for being connected to car bonnet mechanical arm 144 drives car bonnet to start to open at.
The proximity switch 148 being arranged in car bonnet driving structure 146 detects car bonnet and reached behind position, to car bonnet driving structure
146 send feedback signal, and the reverse drive of car bonnet driving structure 146 drives car bonnet to begin to shut off；
During car bonnet is closed, the controller 141 in control assembly 147 sends disconnection to air pressure transmitting assembly 149
Signal, car bonnet connector 143 is disconnected with car bonnet, and car bonnet free-falling is closed；
After car bonnet is closed, car bonnet driving structure 146 continues to drive car bonnet mechanical arm 144 to rotate down, car bonnet connector 143
Keep in the center, first time long duration test action is completed；
First time long duration test action as described above is repeated several times, and completes the global test of car bonnet long duration test.
Durability test apparatus 100 and the operation principle of endurance testing system 10 and durable specimen method that the present embodiment is provided
It is：The four car door test devices 120 provided firstly the need of explanation, above-mentioned endurance testing system 10 and two car bonnet tests
Device 140 operationally can simultaneously be carried out separating and individually carried out, but each car door test device 120 and each
Operation principle when car bonnet test device 140 works is essentially identical, and endurance test method is also in car bonnet test device 140
On the basis of implement, therefore, describe, only one of car door test device 120 and a car bonnet surveyed for convenience below
The operation principle that trial assembly puts 140 is illustrated.
Specifically, the operation principle of car door test device 120 is：Tripper located at automotive interior opens door lock,
At the same time, the motion control card 184 in TT＆C system 180 sends instruction to servomotor, and servomotor is started working, and is led to
Crossing shaft coupling 131 drives coaxially connected leading screw 133 to rotate, the rotation of leading screw 133 can drive sliding shoe 135 advance or after
Move back, sliding block promotes rack 136 to be moved back and forth along the length direction of rack 136 again；The reciprocating motion of rack 136 can drive with
Cooperation the circular tooth disk 111 being set in rotary shaft 112, the rotation of circular tooth disk 111 promotes the synchronous axial system of rotary shaft 112, together
When be fixed on the also reciprocal rotation back and forth of the first rotary shaft 112 and the second rotary shaft 112 in rotary shaft 112, wherein, first turn
Swing arm 113 is by realizing the opening action of car door with the tightrope that car door is flexibly connected, and it is real that the second cursor 115 passes through foam cylinder
The closing motion of existing car door.It should be noted that in the rotation process of rotary shaft 112, the angle of rotation does not correspond to machinery
Cursor 114 is completely in the angle opened car door and closed, and is less than the work opened or closed completely required for car door
The car door test device 120 of dynamic scope, i.e. the present embodiment cancels external force in advance before car door is opened or completely closed completely
Apply, make full use of the inertia in car door rotation process, to realize the fully open and fully closed of car door, so not only significantly
Reduce the reverse impact power that car door brings mechanical rotation arm 114, and stablizing the same of whole car door test device 120
When, also make it that the test result of long duration test is more true and reliable.
Specifically, the operation principle of car bonnet test device 140 is：The motion control card 184 of TT＆C system 180 will instruct defeated
The controller 141 in output device is given, controller 141 is by controlling the persistently pumping, and then to rubber of air pressure transmitting assembly 149
Sucker is controlled, and rubber suction cups is connected with car bonnet；After rubber suction cups is sucked, corresponding cylinder is by driving car bonnet machine
Tool arm 144, the rubber suction cups for being connected to car bonnet mechanical arm 144 drives car bonnet to start to open at；It is close on cylinder when being arranged on
Switch 148 detects car bonnet and reached behind position, can send feedback signal to rubber suction cups, now cylinder reverse drive, drives car bonnet
Begin to shut off；Before car bonnet is completely closed, controller 141 is sent in cut-off signal, rubber suction cups to air pressure transmitting assembly 149
Air pressure increases, and is disconnected with car bonnet, and free-falling is to closed mode under gravity for car bonnet, so far, car bonnet it is once past
Multiple opening and closing long duration test action is completed.Such as above-mentioned reciprocation cycle, you can realize the whole long duration test test of car bonnet.
It is emphasized that the car bonnet test device 140 that above-mentioned durable Sample devices include is by setting car bonnet connector
143 and for controlling the control assembly 147 of the connection status of car bonnet connector 143 so that car bonnet test device 140 is normal past
Return to work immediately in connection or released state during making, such structure design not only reduces car bonnet test device 140 and existed
The reverse impact power and energy consumption being subject to during car bonnet are closed, but also more really simulates car bonnet in real life process
Middle situation so that the test result of car bonnet test device 140 is more reliable.Therefore, above-mentioned durability test apparatus 100 and its it is
System is on the basis of reduction reverse impact power, extension fixture service life so that the test of durability test apparatus 100 and its system
More efficient, test result is more reliable, shows very strong industrial application value.In addition, the present embodiment is based on above-mentioned car
The endurance test method that lid test device 140 is provided by using proximity switch 148 so that car bonnet test device 140 it is automatic
Change level and operating efficiency are all able to further be lifted, with important application value.
Second embodiment
Incorporated by reference to reference picture 6 and Fig. 7, a kind of endurance testing system 20 is present embodiments provided, it is carried with first embodiment
The endurance testing system 10 of confession is roughly the same, and difference is, car door is surveyed in the endurance testing system 20 that the present embodiment is provided
The drive device 230 that 220 uses are put in trial assembly is different from the drive device 130 of first embodiment.
Specifically, incorporated by reference to reference picture 7 and Fig. 8, the present embodiment provide drive device 230 in be used for transmit power to turn
The transmission mechanism 234 that the transmission mechanism 234 of moving axis 112 is made up of worm gear 236 and worm screw 233, will be driven by shaft coupling 131
The worm screw 233 of mechanism 234 is fixedly connected with the rotor coaxial of motor 132, when the rotor of motor 132 is rotated, meeting
The power of motor 132 is passed into worm screw 233, then worm screw 233 imparts power to worm gear with matching again
236, worm gear 236 is coordinated by the circular tooth disk 111 with being set in rotary shaft 112 imparts power to rotary shaft 112, rotary shaft
112 drive whole mechanical rotation arm 114 to carry out reciprocating rotation.
In addition, further, Fig. 9 is refer to, what the connection component 245 that the present embodiment is provided also was provided with first embodiment
Connection component 145 is different, specifically, car bonnet connector 243 and control assembly included by the connection component 245 of the present embodiment
247 be respectively magnechuck and the switch 249 that matches with magnechuck, and switch 249 is electrically connected with magnechuck.Need
Bright, control assembly 247 also includes car bonnet observing and controlling adjusting means 241, and car bonnet observing and controlling adjusting means 241 communicates with switch 249
Connection.Therefore the operation principle of whole connection component 245 is：Pass through the opening and closing shape of the controlling switch 249 of car bonnet observing and controlling adjusting means 241
State and opening and closing frequency so that switch 249 is capable of the connection status controlled between magnechuck and car bonnet of accurate stable, from
And further increase the joint efficiency and connection reliability of connection component 245.
In summary, car door test device of the invention is soft with car door flexible connection by being set on mechanical rotation arm
Property connector so that mechanical rotation arm can really simulate the opening and closing motion of car door in reciprocating rotation, and greatly
Big reduction car door brings the reverse impact power of car door test device；Car bonnet test device is by setting car bonnet connector and for controlling
The control assembly of car bonnet connector connection status processed so that car bonnet test device is in immediately during normal working in reciprocating mode
Connection or released state, such structure design not only reduce car bonnet test device close car bonnet during be subject to it is reverse
Impulsive force and energy consumption, but also more really simulate car bonnet situation during real life so that car bonnet test device
Test result it is more reliable.Therefore, above-mentioned durability test apparatus and its system are in reduction reverse impact power, and extension fixture makes
On the basis of the life-span so that durability test apparatus and its testing efficiency of system are higher, and test result is more reliable, shows
Very strong industrial application value.
In addition, the endurance test method that the embodiment of the present invention is provided based on above-mentioned car bonnet test device is by using close
Switch causes the gentle operating efficiency of Automated water of car bonnet test device to be all able to further be lifted, should with important popularization
With value.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of durability test apparatus (100), it is characterised in that including car door test device (120), the car door test device
(120) include being used to be opened and closed the opening/closing door of vehicle mechanism (110) of car door and for driving the opening/closing door of vehicle mechanism (110) to be turned
Dynamic drive device (130), wherein, the opening/closing door of vehicle mechanism (110) has rotary shaft (112) and for the rotary shaft
(112) the mechanical rotation arm (114) of synchronous axial system, the drive device (130) is connected by being driven with the rotary shaft (112)
Connect so that the mechanical rotation arm (114) can reciprocally rotate around the rotary shaft (112)；The mechanical rotation arm (114) sets
The flexible connecting member (116) for pulling open the car door is equipped with, when the mechanical rotation arm (114) reciprocally rotates, accordingly
By the car door opening or closing.
2. durability test apparatus (100) according to claim 1, it is characterised in that the durability test apparatus (100) is also
Including car bonnet test device (140), the car bonnet test device (140) includes the connection component for being used to be attached with car bonnet
(145), the connection component (145) includes car bonnet connector (143) and for controlling car bonnet connector (143) the connection shape
The control assembly (147) of state, the car bonnet connector (143) can make the car bonnet by the control of the control assembly (147)
Connector (143) is reciprocally in car bonnet test device (140) course of work with the car bonnet and connects or separate shape
State.
3. durability test apparatus (100) according to claim 2, it is characterised in that the drive device (130) includes driving
Dynamic motor (132) and the transmission mechanism (134) being connected with the motor (132), and the transmission mechanism (134) with
Rotary shaft (112) drive connection.
4. durability test apparatus (100) according to claim 3, it is characterised in that the motor (132) is servo
Motor, the transmission mechanism (134) includes leading screw (133), sliding shoe (135) and rack (136), the leading screw (133) and institute
The rotor coaxial for stating motor (132) is fixedly connected, the sliding shoe (135) be sheathed on the leading screw (133) and with it is described
Leading screw (133) is threadedly coupled, and the rack (136) is fixedly connected with the sliding shoe (135) so that the leading screw (133) exists
During with the motor (132) synchronous axial system, the sliding shoe (135) drives the rack (136) along the rack
(136) length direction moves back and forth, and the rotary shaft (112) is connected with the circular tooth disk engaged with the rack (136)
(111)。
5. durability test apparatus (100) according to claim 3, it is characterised in that the transmission mechanism (134) includes whirlpool
(236) and worm screw (233) are taken turns, the worm screw (233) is fixedly connected with the rotor coaxial of the motor (132), the whirlpool
Wheel (236) is engaged with the worm screw (233), and the turbine (236) is connected with the rotary shaft (112).
6. durability test apparatus (100) according to claim 2, it is characterised in that the mechanical rotation arm (114) includes
Cursor connecting portion (117), the first cursor (113) and the second cursor (115), the cursor connecting portion (117) is with turning
Moving axis (112) is fixedly connected, and first cursor (113) and second cursor (115) are connected with the cursor
Portion (117) is fixedly connected and together the axial line around the rotary shaft (112) is rotated；Second cursor (115) and the
One cursor (113) is in same vertical plane and positioned at the same side of the rotary shaft (112), the flexible connecting member
(116) one end of first cursor (113) away from the rotary shaft (112) is connected to, second cursor (115) is remote
One end from the rotary shaft (112) is provided with elastic projection (117) for pushing away the closing of the door.
7. durability test apparatus (100) according to claim 2, it is characterised in that car bonnet test device (140) bag
Include car bonnet machinery frame (142), car bonnet mechanical arm (144) and car bonnet driving structure (146), the car bonnet mechanical arm (144) and institute
State car bonnet machinery frame (142) and rotate connection, the two ends of the car bonnet driving structure (146) respectively with the car bonnet machinery frame
(142) it is flexibly connected with the car bonnet mechanical arm (144) so that car bonnet mechanical arm (144) is in the car bonnet driving structure (146)
Driving under carry out up and down reciprocatingly rotary motion；It is remote that the car bonnet connector (143) is arranged at the car bonnet mechanical arm (144)
One end of car bonnet mechanical arm (144) center of rotation；The car bonnet driving structure (146) is provided with for detecting that car bonnet drives
Structure (146) reciprocating proximity switch (148)；The car bonnet connector (143) is rubber suction cups, the control assembly
(147) include the air pressure transmitting assembly (149) that matches with the rubber suction cups and control the air pressure transmitting assembly (149)
Controller (141), the air pressure transmitting assembly (149) and the rubber suction cups sealing is connected, the controller (141) with it is described
Air pressure transmitting assembly (149) is communicated to connect.
8. durability test apparatus (100) according to claim 2, it is characterised in that in the durability test apparatus (100)
The number of the car door test device (120) is four, is respectively used to corresponding four car doors of automobile and carries out durable test；It is described
The number of car bonnet test device (140) is two, is respectively used to front door car bonnet and the durable test of car bonnet progress below to automobile；
Also, the durability test apparatus (100) also includes TT＆C system (180), and the TT＆C system (180) is by setting motion control
In each car door test device (120) of fabrication (184) control the reciprocating stroke of the correspondence opening/closing door of vehicle structure and
Speed, the TT＆C system (180) is by setting each car bonnet test device (140) of data collecting card (182) control to exist
The correspondence car bonnet connector (143) and the connection status of the car bonnet under working condition.
9. a kind of endurance testing system, it is characterised in that it includes the long duration test dress as described in claim 1-8 any one
Put (100) and the pedestal (12) for fixing the durability test apparatus (100).
10. a kind of endurance test method, it is characterised in that it includes：
Car bonnet connector is controlled by control assembly, the car bonnet connector is connected with car bonnet, is driven by car bonnet
Structure drives car bonnet mechanical arm, and the car bonnet connector for being connected to the car bonnet mechanical arm drives the car bonnet to start to beat
Open；
The proximity switch being arranged in the car bonnet driving structure detects the car bonnet and reached behind position, drives and ties to the car bonnet
Structure sends feedback signal, and the car bonnet driving structure reverse drive drives the car bonnet to begin to shut off；
During the car bonnet is closed, the control assembly sends cut-off signal, the car bonnet to the car bonnet connector
Connector is disconnected with the car bonnet, and the car bonnet free-falling is closed；
The car bonnet connector is kept in the center, and first time long duration test action is completed；
First time long duration test action is repeated several times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501787.3A CN107192545A (en) | 2017-06-27 | 2017-06-27 | A kind of durability test apparatus and its system and endurance test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501787.3A CN107192545A (en) | 2017-06-27 | 2017-06-27 | A kind of durability test apparatus and its system and endurance test method |
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ID=59880874
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| CN201710501787.3A Pending CN107192545A (en) | 2017-06-27 | 2017-06-27 | A kind of durability test apparatus and its system and endurance test method |
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| CN108776028A (en) * | 2018-07-30 | 2018-11-09 | 江苏同盟汽车零部件实业有限公司 | A kind of car door damping sheet impact test apparatus |
| CN109946089A (en) * | 2019-03-05 | 2019-06-28 | 帅测(上海)检测技术有限公司 | A kind of arrangements for automotive doors durability test apparatus |
| CN111366379A (en) * | 2020-04-21 | 2020-07-03 | 合肥研泰自动化设备有限公司 | Automobile four-door two-cover endurance test stand |
| CN113567148A (en) * | 2021-07-22 | 2021-10-29 | 襄阳达安汽车检测中心有限公司 | Durability test system for opening and closing of vehicle door |
| CN113588286A (en) * | 2021-07-28 | 2021-11-02 | 一汽奔腾轿车有限公司 | Durability test device for opening and closing of four doors and two covers of automobile |
| US20210341357A1 (en) * | 2018-12-10 | 2021-11-04 | Xiangtan University | Simulation experimental test system for turbine blade thermal barrier coating working condition |
| CN114295360A (en) * | 2022-01-11 | 2022-04-08 | 襄阳达安汽车检测中心有限公司 | Opening and closing endurance test device and endurance test method for air stay rod engine hood |
| CN114545904A (en) * | 2022-02-22 | 2022-05-27 | 浙江西图盟数字科技有限公司 | Vehicle door dynamic simulation test system and control method thereof |
| CN114923676A (en) * | 2022-05-30 | 2022-08-19 | 一汽奔腾轿车有限公司 | Door opening and closing endurance test device |
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| CN111366379B (en) * | 2020-04-21 | 2021-10-08 | 合肥研泰自动化设备有限公司 | Automobile four-door two-cover endurance test stand |
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| CN113567148B (en) * | 2021-07-22 | 2024-03-26 | 襄阳达安汽车检测中心有限公司 | Durability test system for opening and closing of vehicle door |
| CN113588286A (en) * | 2021-07-28 | 2021-11-02 | 一汽奔腾轿车有限公司 | Durability test device for opening and closing of four doors and two covers of automobile |
| CN114295360A (en) * | 2022-01-11 | 2022-04-08 | 襄阳达安汽车检测中心有限公司 | Opening and closing endurance test device and endurance test method for air stay rod engine hood |
| CN114545904A (en) * | 2022-02-22 | 2022-05-27 | 浙江西图盟数字科技有限公司 | Vehicle door dynamic simulation test system and control method thereof |
| CN114923676A (en) * | 2022-05-30 | 2022-08-19 | 一汽奔腾轿车有限公司 | Door opening and closing endurance test device |
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