CN103278316B - The fatigue experimental device of car tail cover torsion-bar spring - Google Patents
The fatigue experimental device of car tail cover torsion-bar spring Download PDFInfo
- Publication number
- CN103278316B CN103278316B CN201310178634.1A CN201310178634A CN103278316B CN 103278316 B CN103278316 B CN 103278316B CN 201310178634 A CN201310178634 A CN 201310178634A CN 103278316 B CN103278316 B CN 103278316B
- Authority
- CN
- China
- Prior art keywords
- bar spring
- torsion
- experimental device
- lift
- tail cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The fatigue experimental device of <b> car tail cover torsion-bar spring, comprises, frame; Two mounting bracket assemblies, are arranged on the both sides of frame Width respectively both it, the flap equipped with torsion-bar spring is arranged on mounting bracket assembly, and the journal stirrup be fixedly connected with car tail cover is hinged on mounting bracket assembly; Lift assembly, it comprises base plate, bottom is arranged on lift cant beam, rope on base plate, lift cant beam top ends and bottom are articulated with a synchronous pulley respectively, two synchronous pulleys are arranged with one by Timing Belt connected synchronous both it, lift cant beam is also provided with a motor for driving one of them synchronous pulley to rotate, Timing Belt is fixed with a connecting seat, and one end of this rope is connected to Connection Block, and the other end is connected to the pulling buckle that boot of car covers.Fatigue experimental device of the present invention can provide data basis accurately for torsion-bar spring performance judgment and verification; And the torture test of different model torsion-bar spring can be applicable to.</b>
Description
Technical field
The present invention relates to a kind of car tail cover torsion-bar spring Performance Detection, check and correction equipment, especially a kind of fatigue experimental device of car tail cover torsion-bar spring.
Background technology
The torsion-bar spring of car tail cover ensures that car tail cover can according to the critical component of the running orbit upset of design, it is arranged between boot of car and boot lid, for providing elastic stress when overturning to boot lid, boot lid is enable to overturn as required or fasten.
Present stage, after torsion-bar spring machines according to designing requirement, namely deliver to the assembling that car load assembly line carries out car load, that is, existing Automotive producer before assembly, is only detected physical dimension, does not do comprehensive detection to the performance of torsion-bar spring; Owing to there is various uncertain factor in process, make the actual performance of torsion-bar spring usually and design performance there are differences, after also just causing the installation of boot lid, according to designing requirement work, the performance of car can not be have impact on.
What require vehicle performance along with people improves constantly, the manufacturer of some torsion-bar spring and car load manufacturer start to utilize the mode of torture test to detect the performance of torsion-bar spring, under torsion-bar spring is normally placed in an environment identical with car load matching requirements by it, the boot lid that constantly upset is equipped with torsion-bar spring.
Shown in Fig. 1,2, torsion-bar spring 100 is arranged on flap 101, then connects boot lid 103 by journal stirrup 102, and the normal opening procedure of boot lid 103 is that boot lid 103 is from A
0closed condition is through the free section of upspringing A
1, A between equilibrium area
2, until complete opening B, wherein, at the free section of upspringing A
1process in, torsion-bar spring 100 provides the elastic stress that journal stirrup 102 is upwards rotated, A between equilibrium area
2any one position, boot lid 103 is all equilibrium states, and namely the elastic stress that provides of torsion-bar spring 100 is equal with the gravity of boot lid 103 and journal stirrup 102, makes boot lid 103 can be still in A between equilibrium area
2any one position, turn to A between equilibrium area at boot lid 103
2maximum angle position, top time, torsion-bar spring 100 provides one to make journal stirrup 102 continue the elastic stress upwards rotated, until boot lid 103 rests on complete opening B.When boot lid 103 is closed, press down external force F
0boot lid 103 is directly made to fasten in closed condition A
0.The action more than completed for normal boot lid 103, it can complete normally, and above action provides corresponding elastic stress to realize at corresponding state based on torsion-bar spring 100 completely.Therefore, with reference to the above actual process used, the performance of torsion-bar spring 100 is judged.
In existing fatigue experimental device, its object is all by the above-mentioned action of simulation repeatedly, gathers corresponding data, in order to check the performance of torsion-bar spring, and corrects torsion-bar spring according to test figure, the requirement that can meet car load assembling and use.But in existing torture test process, all the performance of torsion-bar spring can not be made and detecting accurately, its reason mainly can not simulate the working environment of torsion-bar spring really.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to the fatigue experimental device providing a kind of car tail cover torsion-bar spring, and it can simulate the working environment of torsion-bar spring comparatively really, improves the accuracy of torsion-bar spring torture test.
For achieving the above object, the present invention adopts following technical scheme:
The fatigue experimental device of car tail cover torsion-bar spring, comprises,
Frame;
Two mounting bracket assemblies, are arranged on the both sides of frame Width respectively both it, the flap equipped with torsion-bar spring is arranged on mounting bracket assembly, and the journal stirrup be fixedly connected with car tail cover is hinged on mounting bracket assembly;
Lift assembly, it comprises base plate, bottom is arranged on lift cant beam, rope on base plate, lift cant beam top ends and bottom are articulated with a synchronous pulley respectively, two synchronous pulleys are arranged with one by Timing Belt connected synchronous both it, lift cant beam is also provided with a motor for driving one of them synchronous pulley to rotate, Timing Belt is fixed with a connecting seat, and one end of this rope is connected to Connection Block, and the other end is connected to the pulling buckle that boot of car covers.
Base plate is provided with swivel base, and the bottom of lift cant beam is rotatably connected on swivel base; Lift assembly also includes an angle fixed mechanism, this angle fixed mechanism comprises one and is articulated in web joint on swivel base and locking knob, web joint offers a deep-slotted chip breaker, the link rod part inside locking knob to be connected in deep-slotted chip breaker and the medial extremity of this link rod part for pushing up the bottom of pressure lift cant beam.
Base plate being provided with one can along the slide block of floor length direction activity, and swivel base is fixedly mounted on slide block; Base plate is articulated with the adjustment screw mandrel that a bearing of trend is consistent with its length direction, what adjustment screw mandrel mated is socketed with a feed screw nut, and slide block is fixed on this feed screw nut, regulates one end of screw mandrel to be provided with a handwheel.
Lift assembly also includes the go-cart of a foot wheel, and base plate is fixedly mounted on the vehicle frame of this go-cart; The front end of go-cart is also provided with a fastener for fastening with the register pin in frame.
Also a buffer spring is connected with between the pulling buckle that rope and boot of car cover.
On lift cant beam, also cross-under has one for adjusting the adjusting screw(rod) of the wheelbase between two synchronous pulleys.
Frame is provided with the line slideway extended along its Width, what two mounting bracket assemblies all slided is arranged on line slideway, the side of line slideway is provided with the tooth bar extended along frame Width, the bottom of mounting bracket assembly is articulated with and tooth bar meshed gears, and gear is fixedly connected with regulating wheel.
Mounting bracket assembly comprises the back-up block being arranged on the supporting seat on line slideway and supplying journal stirrup hinged slided in bottom, supporting seat is installed with the guide pole extended along short transverse, the socket of back-up block activity on the guide bar, supporting seat is articulated with the adjusting screw(rod) that a bearing of trend is consistent with short transverse, adjusting screw(rod) is bolted on back-up block, adjusting screw(rod) is fixedly connected with adjustment runner.
This fatigue experimental device also comprises angle measuring mechanism, and this angle measuring mechanism comprises angular transducer and swing connecting bar, and the stator of angular transducer is fixed on back-up block, and the pivot center of its mandrel overlaps with the pivot center of journal stirrup relative to back-up block; The upper end of swing connecting bar and the mandrel of angular transducer synchronously connect, and lower end connects with journal stirrup.
Angle measuring mechanism also comprises a connection piece, this web member comprises a link rod part and is fixed on a clamping part of link rod part one end, the axis of link rod part is parallel with the pivot center of angular transducer mandrel and mutually stagger, and link rod part cross-under is in the bottom of swing connecting bar, clamping part is then clamped on journal stirrup.
Frame is also provided with one for when boot covers lid, boot cover lock is lived pay latch mechanism, this pair of latch mechanism comprises the coil holder establishing solenoid, movable cross-under is in frame and the iron core of rearward end cross-under in coil holder, to be socketed on iron core and the back-moving spring be limited between frame and rod nose, bracing wire is locked, the tapered end of this bracing wire lock is fixed on boot of car, and to cover snap close on parallel operation frame corresponding, the bracing wire of bracing wire lock is connected to the rearward end of iron core, lift cant beam is provided with one for detecting the photoelectric sensor of Connection Block position, this photoelectric sensor is used for the Connection Block position signalling received to send to a controller, controller controls the break-make of solenoid circuit according to this signal.
Beneficial effect of the present invention is:
Utilize fatigue experimental device of the present invention, can make the performance of torsion-bar spring and judge accurately and verify, for torsion-bar spring performance judgment and verification provide data basis accurately; For boot lid provides comparatively real closing lid or external force of uncapping, simulate the environment of the actual use of torsion-bar spring comparatively really, further improve the accuracy of torsion-bar spring torture test; And due to journal stirrup, the setting height(from bottom) of flap and span can be adjusted, enable fatigue experimental device be applicable to the torture test of different model torsion-bar spring.
Accompanying drawing explanation
Fig. 1 is existing torsion-bar spring scheme of installation;
Fig. 2 is the view in existing car tail cover use procedure;
Fig. 3 is the structural representation of fatigue experimental device of the present invention;
Fig. 4 is the structural representation lifting assembly in Fig. 1;
Fig. 5 is the cut-open view lifting assembly in Fig. 3;
Fig. 6 is A-A cut-open view in Fig. 4;
Fig. 7 is the using state schematic diagram of fatigue experimental device of the present invention;
Fig. 8 is the cut-open view of mounting bracket assembly in Fig. 1;
Fig. 9 is the zoomed-in view at B place in Fig. 1;
Figure 10 is the structural representation of angle measuring mechanism of the present invention;
Figure 11 is the structural representation that the present invention pays latch mechanism;
Wherein: 200, frame; 201, line slideway; 202, tooth bar; 210, guide pin bushing; 211, back-moving spring; 212, iron core; 213, coil holder; 214, bracing wire; 215, tapered end; 216, snap close; 217, inductor; 300, assembly is lifted; 320, base plate; 321, slide block; 322, screw mandrel is regulated; 323, handwheel; 324, feed screw nut; 325, guide pole; 326, swivel base; 330, cant beam is lifted; 331, connection seat; 332, Connection Block; 333, motor; 334, driving pulley; 335, driven pulley; 336, Timing Belt; 337, adjusting screw(rod); 340, web joint; 341, deep-slotted chip breaker; 342, locking knob; 350, rope; 351, buffer spring; 360, go-cart; 361, fastener; 400, mounting bracket assembly; 421, supporting seat; 4211, sliding seat; 4212, guide rod; 4213, adjusting screw(rod); 4214, runner is regulated; 4215, nut; 422, back-up block; 423, Connection Block; 424, web joint; 425, regulating wheel; 426, regulating wheel; 430, angular transducer; 431, mandrel; 440, coupling shaft; 441, bearing; 450, swing connecting bar; 460, web member; 461, link rod part; 462, clamping part; 500, boot lid; 501, pulling buckle; 502, journal stirrup; 503, flap.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further:
As shown in Figure 2, for the fatigue experimental device of a kind of car tail cover torsion-bar spring of the present invention, it comprises frame 200, two mounting bracket assemblies 400 and lift assembly 300, wherein, two mounting bracket assemblies 400 are arranged on the both sides of frame 200 Width respectively, the flap 503 equipped with torsion-bar spring is arranged on mounting bracket assembly 400, simultaneously, the journal stirrup 502 be fixedly connected with car tail cover 500 is hinged on mounting bracket assembly 400, mounting bracket assembly 400 is equivalent to the boot of car, it is for rotating thereon for journal stirrup 502, make boot lid 500 can Reality simulation use time rollover states, the external force of lift assembly 300 for applying closing lid to boot lid 500 or uncap, during in order to simulate boot lid 500 true using state, staff is to boot lid 500 externally applied forces.
See Fig. 3, Fig. 4, Fig. 5, Fig. 6, above-mentioned lift assembly 300 comprises draws together base plate 320, lift cant beam 330, rope 350, base plate 320 top is fixed with a swivel base 326, lift cant beam 330 bottom is fixed with a connection seat 331, connection seat 331 is articulated on swivel base 326, thus the bottom of lift cant beam 330 is articulated on swivel base 326, the top ends of lift cant beam 330 is articulated with a driving pulley 334, its bottom is articulated with a driven pulley 335, the outside of driving pulley 334 and driven pulley 335 is arranged with one by the synchronous Timing Belt 336 connected both it, this Timing Belt 336 extends along the length direction of lift cant beam 330, the top ends of lift cant beam 330 is provided with a motor 333, driving pulley 334 is synchronously connected in the rotating shaft of this motor 333, motor 333 is utilized to drive Timing Belt 336 to move, Timing Belt 336 is fixed with a connecting seat 332, and when motor 333 drives Timing Belt 336 to move, Connection Block 332 can move up and down along with the length direction of Timing Belt 336 along lift cant beam 330.Above-mentioned rope 350 one end is connected on Connection Block 332, its other end is used for being connected with the pulling buckle 501 in car tail cover 500, in the process that Connection Block 332 moves up and down, by the pulling force that rope 350 pairs of boot lids 500 apply up or down, for the external force that simulated automotive boot lid 500 is suffered in actual use.Above-mentioned connection seat 331 and swivel base 326 can be arranged to can the rotating mechanism of electrodeless adjustment, in order to change the angle that lift cant beam 330 is.Certainly, also can be that the bottom of lift cant beam 330 is directly fixed on base plate 320.
In order to the angle of fixing lift cant beam 330, an angle fixed mechanism also can be set, after the angle adjusting lift cant beam 330, this angle fixed mechanism is utilized to be fixed on base plate 320 by lift cant beam 330, this angle fixed mechanism comprises and is articulated in web joint 340 on swivel base 326 and locking knob 342, web joint 340 offers a deep-slotted chip breaker 341, web joint 340 is dropped on on swivel base 326 in relative rotation axis in the center of circle of deep-slotted chip breaker 341, connecting rod cross-under inside locking knob 342 is in deep-slotted chip breaker 341, and the medial end of connecting rod inside locking knob 342 is for pushing up the side, bottom of pressure lift cant beam 330, that is, rotate lift cant beam 330, by the suitable size that the angle of itself and base plate 320 adjusts, then locking knob 342 is tightened, the connecting rod medial end laterally top pressure lift cant beam 330 of locking knob 342, lift cant beam 330 is made to be fixed on the above-mentioned state adjusted.
The present invention can also as required along the position of the length direction adjustment lift cant beam 330 of base plate 320, lift cant beam 330 is better coordinated with fatigue experimental device, particularly, above-mentioned base plate 320 is provided with one can be movable along its length slide block 321, swivel base 326 is fixed on the upper surface of slide block 321.Can also slide block 321 be arranged on base plate 320 in the mode of screw rod transmission, be convenient to adjustment, particularly, base plate 320 is articulated with the adjustment screw mandrel 322 that a bearing of trend is consistent with its length direction, on this adjustment screw mandrel 322, coupling is socketed with a feed screw nut 324, slide block 321 is fixed on feed screw nut 324, regulate one end of screw mandrel 322 that one handwheel 323 is installed, hand rotation handwheel 323 i.e. adjustable slide 321 is in the position of base plate 320 length direction, the distance of namely adjustment lift cant beam 330 and frame 200, certainly, also a drive motor can be utilized to drive and to regulate screw mandrel 322, for replacing manual operation, the degree of accuracy simultaneously lifting cant beam 330 movement also can realize fine adjustment.Base plate 320 is also provided with the guide pole 325 that two bearing of trends are consistent with base plate 320 length direction, and the cross-under that these two guide poles 325 slide respectively is in the both sides of slide block 321, guide effect is played in the slip of guide pole 325 pairs of slide blocks 321.
Above-mentioned lift assembly 300 also has one with the go-cart 360 of castor, base plate 320 is fixed on the vehicle frame of go-cart 360, this lift assembly 300 is facilitated to move, for the ease of lift assembly 300 and frame 200 being fixed, be also provided with a fastener 361 in the vehicle frame front end of go-cart 360, in use, push go-cart 360 to fatigue experimental device, on the register pin that fastener 361 is fastened in frame 200, thus prevent in process of the test, lift assembly 300 departs from frame 200.
Rope 350 and boot lid 500 are also connected with a buffer spring 351 between pulling buckle 501, this buffer spring 351 is applied to the instantaneous pulling force of boot lid 500 for cushioning rope 350, make the closing lid suffered by boot lid 500 or pulling force of uncapping uses closer to reality time staff to boot lid 500 externally applied forces.
In the use procedure of reality, repeatedly lift may cause Timing Belt 336 to occur lax phenomenon, inventor is bolted with an adjusting screw(rod) 337 in the upper end of lift cant beam 330, this adjusting screw(rod) 337 for adjusting the wheelbase between driving pulley 334 and driven pulley 335, in order to tensioning Timing Belt 336.
In order to adapt to torsion-bar spring and the boot lid 500 of different model, the present invention can by the spacing of adjustment two mounting bracket assembly 400 and the setting height(from bottom) of journal stirrup 502 on mounting bracket assembly 400.See Fig. 1 and composition graphs 7, frame 200 installs two line slideways 201, this two line slideway 201 all extends along the Width of frame 200, what the two bottom sides of mounting bracket assembly 400 was slided respectively is arranged on two line slideways 201, thus, make mounting bracket assembly 400 can be movable along the Width of frame 200; The side of one of them line slideway 201 is provided with tooth bar 202, the groove of tooth bar 202 extends along the Width of frame 200, one and tooth bar 202 meshed gears 426 is articulated with in the bottom of mounting bracket assembly 400, gear 426 upper end is synchronously connected with a regulating wheel 425, when needing the spacing of change two mounting bracket assembly 400, rotatable regulating wheel 425, makes mounting bracket assembly 400 slide along line slideway 201.For another example Fig. 8 composition graphs 7, mounting bracket assembly 400 comprises supporting seat 421, back-up block 422, supporting seat 421 is installed with two guide rods 4212 extended along short transverse, back-up block 422 is fixed with the sliding seat 4211 that is arranged in supporting seat 421, what sliding seat 4211 slided is socketed on two guide rods 4212, thus back-up block 422 can be slided along short transverse relative to supporting seat 421, in addition, the bearing of trend adjusting screw(rod) consistent with short transverse 4213 is articulated with on the top of supporting seat 421, the cross-under of this adjusting screw(rod) 4213 coupling is in the nut 4215 be fixed on sliding seat 4211, the top ends of adjusting screw(rod) 4213 is fixedly connected with an adjustment runner 4214, runner 4214 is regulated by rotating, back-up block 422 can be made up and down, because journal stirrup 502 and flap 503 are installed on back-up block 422, therefore, runner 4214 is regulated by rotating, the setting height(from bottom) of journal stirrup 502 and flap 503 can be changed.
In order in torture test process, read the flip angle of boot lid 500 accurately, fatigue experimental device of the present invention also includes angle measuring mechanism, particularly, on two mounting bracket assemblies 400, an angle measuring mechanism can be installed respectively, angular transducer 430 is comprised see this angle measuring mechanism of Fig. 7 and Fig. 9, swing connecting bar 450, back-up block 422 is installed with Connection Block 423 and web joint 424, Connection Block 423 and web joint 424 are all fixed on the bottom surface of back-up block 422, and web joint 424 is positioned at the inner side of Connection Block 423, the rearward end of journal stirrup 502 is hinged on web joint 424, the stator (i.e. the shell of angular transducer 430) of angular transducer 430 is fixed on Connection Block 423, and the pivot center of the mandrel 431 of this angular transducer 430 overlaps with the pivot center of journal stirrup 502 relative to web joint 424.Connection Block 423 inside is articulated with a coupling shaft 440 by bearing 441, the pivot center of this coupling shaft 440 overlaps with the pivot center of above-mentioned mandrel 431, the outboard end of coupling shaft 440 and mandrel 431 synchronously connect, the outboard end of coupling shaft 440 then synchronously connects with the upper end of swing connecting bar 450, thus swing connecting bar 450 can be swung in a plane perpendicular to mandrel 431 pivot center, and its axis swung is the pivot center of mandrel 431.The bottom of swing connecting bar 450 connects with journal stirrup 502, particularly, above-mentioned angle measuring mechanism also comprises a connection piece 460, this web member 460 comprises a link rod part 461 and clamping part 462, wherein, the axis of link rod part 461 is parallel with the pivot center of mandrel 431 and mutually stagger, clamping part 462 is fixed on the medial extremity of link rod part 461, link rod part 461 cross-under is in the through hole that the bottom of swing connecting bar 450 is default, clamping part 462 is clamped on journal stirrup 502, when journal stirrup 502 rotates relative to web joint 424, web member 460 rotates along with journal stirrup 502, swing connecting bar 450 is driven to swing immediately, thus the mandrel 431 of angular transducer 430 is rotated, the flip angle of journal stirrup 502 is drawn eventually through angular transducer 430.In said structure, the angle that swing connecting bar 450 swings is consistent with the flip angle of journal stirrup 502, the free end of swing connecting bar 450 is specifically connected with journal stirrup 502 by web member 460 by it, in the present invention, also swing connecting bar 450 can be arranged to " L " shape, by the direct cross-under of swing connecting bar 450 free end on journal stirrup 502, realize swing connecting bar 450 and the synchronous connection of journal stirrup 502, make swing connecting bar 450 can swing corresponding angle along with the rotation of journal stirrup 502.
See Fig. 6, before on-test, first the spacing of two mounting bracket assemblies 400 is adjusted, the spacing both it is made to be adapted to the width of two journal stirrups 502 on boot lid 500, after having adjusted, by journal stirrup 502, flap 503 is arranged on two mounting bracket assemblies 400, afterwards torsion-bar spring to be detected and journal stirrup 502 and flap 503 are assembled, after boot lid 500 installation, promote go-cart 360 towards close frame 200 1 lateral movement, lift assembly 300 is coordinated with frame 200, ensure that lift cant beam 330 is in the centre position of frame 200 Width, so that rope 350 can lift the centre position of boot lid 500, rotate handwheel 323, the distance of adjustment lift cant beam 330 and fatigue experimental device, then the angle of lift cant beam 330 is adjusted by locking knob 342, after adjustment completes, buffer spring 351 on rope 350 is mounted in the pulling buckle 501 on boot lid 500.Under original state, boot lid 500 is buckling state, Connection Block 332 is positioned at the bottom of lift cant beam 330, open motor 333, this motor 333 rotates forward, Connection Block 332 is driven to move upward along lift cant beam 330, buffer spring 351 is in order to cushion the pulling force of rope 350 pairs of boot lids 500, when boot lid 500 is in full open position, motor 333 reverses, Connection Block 332 is driven to move downward along lift cant beam 330, then namely rope 350 applies a downward closing lid pressure F0 to boot lid 500, in boot lid 500 constantly switching process, angle measuring mechanism can be utilized to read boot lid 500 at the section of upspringing end, end between equilibrium area, the angle of full open state, according to actual measurement to angle value judge whether the performance of torsion-bar spring reaches requirement, if the angle value more than recorded and design load there are differences, then can according to angle difference, the parameters such as boot lid weight calculate the offset of torsion-bar spring elastic stress when corresponding state, thus the performance of torsion-bar spring is proofreaded, therefore, fatigue experimental device of the present invention can provide data basis accurately for the check and correction of torsion-bar spring.
In addition, the present invention is also provided with one pair of latch mechanism, and this pair of latch mechanism is used for when boot lid 500 closing lid, is locked in by boot lid 500 in frame 200, when lift assembly 300 boot lid 500 be in upwards to overturn boot lid 500 under closing lid state time, pay a latch mechanism and can respond to and open timely.See Figure 11, pay latch mechanism and specifically comprise the coil holder 213 establishing solenoid, movable cross-under is in frame 200 and the iron core 212 of rearward end cross-under in coil holder 213, to be socketed on iron core 212 and the back-moving spring 211 be limited between frame 200 and iron core 212 front end, bracing wire is locked, the tapered end 215 of this bracing wire lock is fixed on boot lid 500 and snap close 216 in frame 200 is corresponding, the bracing wire 214 of bracing wire lock is connected to the rearward end of iron core 212, when solenoid no power, because back-moving spring 211 is by iron core 212 driven forward, the tapered end 215 of bracing wire lock locks with snap close 216, now boot lid 500 is in the state of closing lid locking, when the solenoid is activated, the attractive force that iron core 212 is subject to solenoid moves backward, and the bracing wire 214 pulling bracing wire to lock, the tapered end 215 of bracing wire lock is opened with snap close 216, boot lid 500 is upspring, and upwards can be overturn by lift assembly 300.Slide for the ease of iron core 212, frame 200 is fixed with a guide pin bushing 210, the cross-under of iron core 212 activity is in guide pin bushing 210.Lift cant beam is provided with a photoelectric sensor 217, this photoelectric sensor 217 is for detecting the position of Connection Block 332, particularly, photoelectric sensor 217 is positioned at the top of the maximum displacement that Connection Block 332 moves downward, and when Connection Block 332 moves upward to photoelectric sensor 217 place, photoelectric sensor 217 receives signal, and signal is sent to a controller, controller controls the feed circuit conducting of solenoid according to this signal, and solenoid is energized, and tapered end 215 and snap close 216 are opened; When moving downward photoelectric sensor 217 place on Connection Block 332 has, the feed circuit of controller basis signal cutoff solenoid, namely after boot lid 500 lid, tapered end 215 and snap close 216 lock.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the claims in the present invention.
Claims (11)
1. the fatigue experimental device of car tail cover torsion-bar spring, is characterized in that, comprises,
Frame;
Two mounting bracket assemblies, are arranged on the both sides of frame Width respectively both it, the flap equipped with torsion-bar spring is arranged on mounting bracket assembly, and the journal stirrup be fixedly connected with car tail cover is hinged on mounting bracket assembly;
Lift assembly, it comprises base plate, bottom is arranged on lift cant beam, rope on base plate, lift cant beam top ends and bottom are articulated with a synchronous pulley respectively, two synchronous pulleys are arranged with one by Timing Belt connected synchronous both it, lift cant beam is also provided with a motor for driving one of them synchronous pulley to rotate, Timing Belt is fixed with a connecting seat, and one end of this rope is connected to Connection Block, and the other end is connected to the pulling buckle that boot of car covers.
2. the fatigue experimental device of car tail cover torsion-bar spring as claimed in claim 1, is characterized in that, base plate is provided with swivel base, and the bottom of lift cant beam is rotatably connected on swivel base; Lift assembly also includes an angle fixed mechanism, this angle fixed mechanism comprises one and is articulated in web joint on swivel base and locking knob, web joint offers a deep-slotted chip breaker, the link rod part inside locking knob to be connected in deep-slotted chip breaker and the medial extremity of this link rod part for pushing up the bottom of pressure lift cant beam.
3. the fatigue experimental device of car tail cover torsion-bar spring as claimed in claim 2, it is characterized in that, base plate being provided with one can along the slide block of floor length direction activity, and swivel base is fixedly mounted on slide block; Base plate is articulated with the adjustment screw mandrel that a bearing of trend is consistent with its length direction, what adjustment screw mandrel mated is socketed with a feed screw nut, and slide block is fixed on this feed screw nut, regulates one end of screw mandrel to be provided with a handwheel.
4. the fatigue experimental device of car tail cover torsion-bar spring as claimed in claim 1, is characterized in that, lift assembly also includes the go-cart of a foot wheel, and base plate is fixedly mounted on the vehicle frame of this go-cart; The front end of go-cart is also provided with a fastener for fastening with the register pin in frame.
5. the fatigue experimental device of car tail cover torsion-bar spring as claimed in claim 1, is characterized in that, be also connected with a buffer spring between the pulling buckle that rope and boot of car cover.
6. the fatigue experimental device of car tail cover torsion-bar spring as claimed in claim 1, is characterized in that, on lift cant beam, also cross-under has one for adjusting the adjusting screw(rod) of the wheelbase between two synchronous pulleys.
7. the fatigue experimental device of car tail cover torsion-bar spring as claimed in claim 1, it is characterized in that, frame is provided with the line slideway extended along its Width, what two mounting bracket assemblies all slided is arranged on line slideway, the side of line slideway is provided with the tooth bar extended along frame Width, the bottom of mounting bracket assembly is articulated with and tooth bar meshed gears, and gear is fixedly connected with regulating wheel.
8. the fatigue experimental device of car tail cover torsion-bar spring as claimed in claim 7, it is characterized in that, mounting bracket assembly comprises the back-up block being arranged on the supporting seat on line slideway and supplying journal stirrup hinged slided in bottom, supporting seat is installed with the guide pole extended along short transverse, the socket of back-up block activity on the guide bar, supporting seat is articulated with the adjusting screw(rod) that a bearing of trend is consistent with short transverse, adjusting screw(rod) is bolted on back-up block, adjusting screw(rod) is fixedly connected with adjustment runner.
9. the fatigue experimental device of car tail cover torsion-bar spring as claimed in claim 8, it is characterized in that, this fatigue experimental device also comprises angle measuring mechanism, this angle measuring mechanism comprises angular transducer and swing connecting bar, the stator of angular transducer is fixed on back-up block, and the pivot center of its mandrel overlaps with the pivot center of journal stirrup relative to back-up block; The upper end of swing connecting bar and the mandrel of angular transducer synchronously connect, and lower end connects with journal stirrup.
10. the fatigue experimental device of car tail cover torsion-bar spring as claimed in claim 9, it is characterized in that, angle measuring mechanism also comprises a connection piece, this web member comprises a link rod part and is fixed on a clamping part of link rod part one end, the axis of link rod part is parallel with the pivot center of angular transducer mandrel and mutually stagger, and link rod part cross-under is in the bottom of swing connecting bar, clamping part is then clamped on journal stirrup.
The fatigue experimental device of 11. car tail cover torsion-bar spring as claimed in claim 1, it is characterized in that, frame is also provided with one for when boot covers lid, boot cover lock is lived pay latch mechanism, this pair of latch mechanism comprises the coil holder establishing solenoid, movable cross-under is in frame and the iron core of rearward end cross-under in coil holder, to be socketed on iron core and the back-moving spring be limited between frame and rod nose, bracing wire is locked, the tapered end of this bracing wire lock is fixed on boot of car, and to cover snap close on parallel operation frame corresponding, the bracing wire of bracing wire lock is connected to the rearward end of iron core, lift cant beam is provided with one for detecting the photoelectric sensor of Connection Block position, this photoelectric sensor is used for the Connection Block position signalling received to send to a controller, controller controls the break-make of solenoid circuit according to this signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310178634.1A CN103278316B (en) | 2013-05-14 | 2013-05-14 | The fatigue experimental device of car tail cover torsion-bar spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310178634.1A CN103278316B (en) | 2013-05-14 | 2013-05-14 | The fatigue experimental device of car tail cover torsion-bar spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103278316A CN103278316A (en) | 2013-09-04 |
| CN103278316B true CN103278316B (en) | 2015-10-28 |
Family
ID=49060900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310178634.1A Active CN103278316B (en) | 2013-05-14 | 2013-05-14 | The fatigue experimental device of car tail cover torsion-bar spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103278316B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822836B (en) * | 2014-02-28 | 2016-04-27 | 西北工业大学 | The test unit of the torque arm permanance of the servo-actuated lid of a kind of survey aircraft horizontal tail |
| CN104034525B (en) * | 2014-06-27 | 2016-08-24 | 天津沛衡五金弹簧有限公司 | Multi-function spring fatigue tester |
| CN104251771B (en) * | 2014-08-29 | 2017-08-08 | 北京新能源汽车股份有限公司 | A kind of lock for car-bonnet durability test apparatus and method |
| CN107560841A (en) * | 2017-10-10 | 2018-01-09 | 陈露露 | A kind of vehicle boot lid fatigue experimental device |
| CN107560875A (en) * | 2017-10-10 | 2018-01-09 | 陈露露 | A kind of cover-opening structure of vehicle boot lid fatigue experimental device |
| CN108181114A (en) * | 2018-03-13 | 2018-06-19 | 上汽大众汽车有限公司 | Rear cover durability test device |
| CN109085077B (en) * | 2018-10-26 | 2024-03-22 | 山东省产品质量检验研究院 | Bending fatigue test device for paraglider pull rope sample |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100204759B1 (en) * | 1996-05-09 | 1999-06-15 | 박문규 | Endurance tester of a car staydamper |
| CN201034830Y (en) * | 2006-12-06 | 2008-03-12 | 南京汽车集团有限公司 | Vehicle doors or cover switch simulator stand |
| CN101393078A (en) * | 2007-09-19 | 2009-03-25 | 上海汽车股份有限公司 | Automobile two-cover outer-mounted durable test stand |
| CN101441130A (en) * | 2008-12-22 | 2009-05-27 | 奇瑞汽车股份有限公司 | Durable test stand and test method of gas spring for automobile |
| CN102478450A (en) * | 2010-11-23 | 2012-05-30 | 上海汽车集团股份有限公司 | Test bed |
| CN203241229U (en) * | 2013-05-14 | 2013-10-16 | 广州华德汽车弹簧有限公司 | Car trunk cover torsion bar spring fatigue test device |
-
2013
- 2013-05-14 CN CN201310178634.1A patent/CN103278316B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100204759B1 (en) * | 1996-05-09 | 1999-06-15 | 박문규 | Endurance tester of a car staydamper |
| CN201034830Y (en) * | 2006-12-06 | 2008-03-12 | 南京汽车集团有限公司 | Vehicle doors or cover switch simulator stand |
| CN101393078A (en) * | 2007-09-19 | 2009-03-25 | 上海汽车股份有限公司 | Automobile two-cover outer-mounted durable test stand |
| CN101441130A (en) * | 2008-12-22 | 2009-05-27 | 奇瑞汽车股份有限公司 | Durable test stand and test method of gas spring for automobile |
| CN102478450A (en) * | 2010-11-23 | 2012-05-30 | 上海汽车集团股份有限公司 | Test bed |
| CN203241229U (en) * | 2013-05-14 | 2013-10-16 | 广州华德汽车弹簧有限公司 | Car trunk cover torsion bar spring fatigue test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103278316A (en) | 2013-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103278316B (en) | The fatigue experimental device of car tail cover torsion-bar spring | |
| CN110702385B (en) | Door opening and closing endurance test device | |
| CN203241229U (en) | Car trunk cover torsion bar spring fatigue test device | |
| CN108639093B (en) | Self- steering virtual rail train car body articulated mounting and rotation angle control method | |
| CN104773637A (en) | Asynchronous door knife with car lock, elevator door motor and car system | |
| CN203241227U (en) | Drawing device for car trunk cover torsion bar spring fatigue test | |
| CN214793812U (en) | Automobile steering knuckle lateral fatigue experiment tool | |
| CN102645326B (en) | Automotive stabilizer bar fatigue test-bed structure | |
| CN207595095U (en) | A kind of robot chassis track takeup | |
| CN103257084B (en) | Be applicable to the pulling apparatus of car tail cover torsion-bar spring torture test | |
| CN205079939U (en) | Frame twists reverse fatigue test device | |
| CN207133037U (en) | A kind of automobile rear seat handle adjusting durability test apparatus | |
| CN203241228U (en) | Device for simulating center of gravity of car trunk cover | |
| CN217276862U (en) | Wind driven generator coupler torsional fatigue closed-loop test device | |
| CN112747908A (en) | Durable testing arrangement of car door closure and system | |
| CN103278317B (en) | Gravity center simulation device and simulation method of car tail cover | |
| CN206450706U (en) | A kind of support meanss of roller type speed measuring equipment | |
| CN105424399A (en) | Roll-over testing device and roll-over testing method of child restraint system | |
| CN113865837B (en) | Trailer traction testing device | |
| CN211001325U (en) | Car door equipment and car | |
| CN112595508A (en) | Durability test device for automobile side door hinge limiter | |
| CN108621958A (en) | A kind of electric treadle and automobile | |
| CN216559757U (en) | Steering linkage assembly detection equipment for automobile | |
| CN206095648U (en) | Diaxon loading test device | |
| CN216815522U (en) | Novel photoacoustics signal redundancy detection device for boarding vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |