CN107817119A - Motor turning part compressive stroke testing stand and its detection method - Google Patents
Motor turning part compressive stroke testing stand and its detection method Download PDFInfo
- Publication number
- CN107817119A CN107817119A CN201711275456.9A CN201711275456A CN107817119A CN 107817119 A CN107817119 A CN 107817119A CN 201711275456 A CN201711275456 A CN 201711275456A CN 107817119 A CN107817119 A CN 107817119A
- Authority
- CN
- China
- Prior art keywords
- support
- pendulum
- fixture
- hammer
- cylinder
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 108
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000009863 impact test Methods 0.000 claims abstract description 15
- 238000002474 experimental method Methods 0.000 claims abstract description 13
- 230000035939 shock Effects 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 description 6
- 230000007704 transition Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000005477 standard model Effects 0.000 description 1
Classifications
-
- 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
- G01M17/06—Steering behaviour; Rolling behaviour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of motor turning part compressive stroke testing stand and its detection method, testing stand includes main body supporting structure, pendulum fixture, the fixture that drops hammer, pendulum mass component, the component that drops hammer, pendulum tripping gear, the tripping gear that drops hammer, the first lift, the second lift, braking system, drop hammer anti whip device.The present invention can carry out pendulum impact test and falling weight impact test, and motor turning part compressive stroke testing stand is acted in tests exemplar using the movement of falling object of pendulum mass component and the component that drops hammer, directly can be carried out resistance to shock loads experiment to tests exemplar.By lift, far distance controlled is realized so that security is greatly improved, and the feedback for passing through sensor, so that drop hammer lifting height and pendulum lifting angle are more accurate, the resistance to shock loads ability of tests exemplar so can be easily detected, testing result is more accurate.
Description
Technical field
The present invention relates to automobile component detection technique field, and in particular to a kind of motor turning part compressive stroke testing stand
And its detection method.
Background technology
At present in automotive field, with the continuous development of society, scientific and technical continuous progress, the type kind of automobile
More and more, EPS (electric boosting steering system) use gradually increases, worm and gear and pinion and rack in its structure
Can have certain impact load in use.Due to the detection worm and gear and tooth that do not automatically control in the prior art
The equipment for taking turns the impact resistance of rack, and in the prior art it is general using the material property of worm and gear and rack-and-pinion come
Judge the ability of its resistance to shock loads or adjust Charpy impact angle manually, wanted although can reach use to a certain extent
Ask, but still suffer from the problem of decision errors are big.
The content of the invention
An object of the present invention is to provide a kind of Stability Analysis of Structures, and can automatically control, easy to operate and function is neat
Entirely, motor turning part compressive stroke testing stand of good performance；It is a kind of using foregoing another object of the present invention is to provide
Compressive stroke testing stand carries out fast and accurate detection method to motor turning part.The motor turning part compressive stroke tries
Test the resistance to shock loads ability that platform and its detection method detect workpiece by pendulum from two kinds of different forms of dropping hammer.
To achieve these goals, the present invention provides following technical scheme：
A kind of motor turning part compressive stroke testing stand, it include be used for carry out pendulum impact test pendulum assembly and
The assembly that drops hammer for falling weight impact test；
The pendulum assembly includes Charpy impact support frame；The lower front of the Charpy impact support frame is horizontal positioned
There is the pendulum fixture for clamping tests exemplar, rear side is provided with first pulley device and the first lift；First flexible rope
Bypass first pulley device after, one end is connected with the output shaft of first lift, the other end and pendulum tripping gear phase
Even；The pendulum tripping gear is with being arranged on the front side of the Charpy impact support frame and for the examination on the pendulum fixture
Test exemplar impose swing impact pendulum mass component be connected；The both sides of this pendulum mass component are provided with armful that can lock the pendulum mass component
Dead device；
The assembly that drops hammer includes drop impact support frame；The lower vertical of the drop impact support frame is placed with use
In the fixture that drops hammer for clamping tests exemplar, top is provided with second pulley device and the second lift；Second flexible rope around
After crossing second pulley device, one end is connected with the output shaft of second lift, and the other end is connected with the tripping gear that drops hammer；Should
Tripping gear drop hammer with being arranged on the drop impact support frame top and for the tests exemplar dropped hammer on fixture
The component that drops hammer for imposing vertical impact is connected；The anti whip device that drops hammer is installed at the fixture that drops hammer.
Preferably, the Charpy impact support frame includes the first bottom platform, is packed in first bottom respectively and puts down
Countertop front side and the first support and second support of rear side；
The first pulley device is arranged on the top of the first support, and first lift is arranged on this first
The top of frame；
The pendulum mass component is arranged in the second support, and the pendulum fixture is horizontally arranged at first bottom and put down
It is arranged on the top surface of platform and positioned at the lower section of the second support, the braking system on the top surface of first bottom platform
And close to the pendulum mass component.
Preferably, the pendulum mass component includes：
Support block, it at the top of the second support with being fixedly connected；
Oscillating rod, its between the top of the second support and the top surface of the first bottom platform, and one end with it is described
Support block is hinged, and the other end is hinged with balancing weight；It is provided with the balancing weight for tests exemplar on the pendulum fixture
The collision block hit；
Angular encoder, it is connected with the second support, for measuring the swing angle of the oscillating rod.
Preferably, two first bearing seats at top of the first pulley device including being arranged on the first support,
The first jackshaft between the first two bearings seat is rotatably connected on, is assemblied on first jackshaft and with this in first
The first pulley that countershaft rotates；
First flexible rope bypasses from the first pulley；
The pendulum tripping gear includes：
First link, it is connected with the end of first flexible rope；
First cylinder, its cylinder barrel bottom and one end of first link are hinged；
First fixed mount, its one end are fixedly connected with the other end of first link；
First rotating bar, its one end are hinged with the piston rod in first cylinder, and the other end is hinged with the first fixed mount；
Second cylinder, its cylinder barrel are fixedly connected with the other end of first fixed mount；Piston rod in second cylinder
On be connected with the first lock pin, first lock pin coordinates the swing to the oscillating rod to control with first rotating bar
System.
Preferably, the pendulum fixture includes the first T-slot bar being packed on the top surface of first bottom platform
With the first fixture locking block；The both ends of the first T-slot bar are provided with the first support block, are used between two first support blocks
Place tests exemplar；The first fixture locking block close to the first T-slot bar afterbody, for clamping tests exemplar；
Braking system structure positioned at the both sides of the pendulum mass component is identical, and the braking system includes being fixed on described first
The 3rd cylinder and institute that pedestal, cylinder barrel bottom on the top surface of bottom platform and close to the balancing weight are hinged with the pedestal
State the locking top plate that piston rod is be hinged in the 3rd cylinder, the damping sheet being connected on the locking top plate；In two braking systems
Damping sheet is relative to each other, the balancing weight can be clamped or loosened under the drive of the 3rd cylinder.
Preferably, the drop impact support frame includes the second bottom platform, is packed in the second bottom platform top
The 3rd support on face；
The second pulley device is arranged on the top of the 3rd support, and second lift is arranged on the 3rd
The top of frame；
The component that drops hammer is arranged on the same side of the 3rd support with the fixture that drops hammer, and the fixture that drops hammer is positioned at described
The bottom of 3rd support；
It is described to drop hammer anti whip device on the top surface of second bottom platform and close to the fixture that drops hammer.
Preferably, the component that drops hammer includes：
Bottom plate, it is fixedly connected with the top surface of second bottom platform；
Fixed plate, it is connected with the 3rd support；
Guide pillar, it is vertically connected between the bottom plate and fixed plate；
Guide plate, it is arranged on the guide pillar in a manner of being slided along the guide pillar；
Weight plate, it is arranged on the guide plate；
Impact block, it is packed on the guide plate, for being hit to the tests exemplar dropped hammer on fixture.
Preferably, two second bearing seats at top of the second pulley device including being arranged on the 3rd support,
The second jackshaft between the second bearing seat is rotatably connected on, is assemblied on second jackshaft and with this among second
The second pulley that axle rotates；
Second flexible rope bypasses from the second pulley；
The tripping gear that drops hammer includes：
Second link, it is connected with the end of second flexible rope；
4th cylinder, its cylinder barrel bottom and one end of second link are hinged；
Second fixed mount, its one end are fixedly connected with the second link other end；
Second rotating bar, its one end are hinged with the piston rod in the 4th cylinder, and the other end is hinged with the second fixed mount；
5th cylinder, its cylinder barrel are fixedly connected with the other end of second fixed mount；Piston rod in 5th cylinder
On be connected with the second lock pin, second lock pin coordinates the slip to the guide plate to control with second rotating bar
System.
Preferably, the fixture that drops hammer includes the second T-slot article and the second fixture being packed on the 3rd support
Latch segment；The both ends of the second T-slot bar are provided with the second support block, are used to place test sample between two second support blocks
Part；The second fixture locking block close to the second T-slot bar afterbody, for clamping tests exemplar；
The anti whip device that drops hammer is fixed on the second bottom platform top surface including cylinder barrel bottom and close to described
Dropped hammer the 6th cylinder of fixture, and the damping block for being contacted with the guide plate is connected with the piston rod in the 6th cylinder.
Above-mentioned motor turning part compressive stroke testing stand, its detection method are as follows：
First, pendulum impact test
1) by tests exemplar clamping on pendulum fixture, tests exemplar treats impact position install sensor；
2) pendulum mass component is connected by connecting hook with pendulum tripping gear；
3) certain angle is arrived into pendulum mass component lifting using the first lift；
4) start to test, test after the delay time of setting, complete experiment action, while by analog input card to passing
Data caused by sensor are acquired and handled, and draw impulsive force and the curve of time；
2nd, falling weight impact test
1) tests exemplar clamping is being dropped hammer on fixture, tests exemplar treats impact position install sensor；
2) component that will drop hammer is connected by connecting hook with the tripping gear that drops hammer；
3) using the second lift will drop hammer component lifting arrive certain altitude；
4) start to test, test after the delay time of setting, complete experiment action, while by analog input card to passing
Sensor produces data and is acquired and handles, and draws impulsive force and the curve of time.
Motor turning part compressive stroke testing stand provided by the present invention and its detection method, Charpy impact examination can be carried out
Test and falling weight impact test.The motor turning part compressive stroke testing stand utilizes pendulum mass component and the freely falling body for the component that drops hammer
Motion, is acted in tests exemplar, directly can carry out resistance to shock loads experiment to tests exemplar.By lift, long distance is realized
From control so that security is greatly improved, and the feedback for passing through sensor so that drop hammer lifting height is lifted with pendulum
Angle is more accurate, so can easily detect the resistance to shock loads ability of tests exemplar, and testing result is more accurate.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the axonometric drawing of motor turning part compressive stroke testing stand provided in an embodiment of the present invention；
Fig. 2 is the left view of motor turning part compressive stroke testing stand provided in an embodiment of the present invention；
Fig. 3 is that main body supporting structure axle is surveyed in motor turning part compressive stroke testing stand provided in an embodiment of the present invention
Figure；
Fig. 4 is motor turning part compressive stroke testing stand middle pulley structure drawing of device provided in an embodiment of the present invention；
Fig. 5 is pendulum mass component structure chart in motor turning part compressive stroke testing stand provided in an embodiment of the present invention；
Fig. 6 is the assembly assumption diagram that dropped hammer in motor turning part compressive stroke testing stand provided in an embodiment of the present invention；
Fig. 7 is pendulum tripping gear in motor turning part compressive stroke testing stand provided in an embodiment of the present invention and drops hammer
Tripping gear structure chart；
Fig. 8 is the assembly assumption diagram that dropped hammer in motor turning part compressive stroke testing stand provided in an embodiment of the present invention；
Fig. 9 is pendulum clamp structure figure in motor turning part compressive stroke testing stand provided in an embodiment of the present invention；
Figure 10 is the clamp structure figure that dropped hammer in motor turning part compressive stroke testing stand provided in an embodiment of the present invention；
Figure 11 is braking system structure chart in motor turning part compressive stroke testing stand provided in an embodiment of the present invention；
Figure 12 is the anti whip device knot that dropped hammer in motor turning part compressive stroke testing stand provided in an embodiment of the present invention
Composition.
Description of reference numerals：
1st, main body supporting structure；2nd, pendulum fixture；3rd, drop hammer fixture；4th, pendulum mass component；5th, drop hammer component；6th, pendulum breaks off relations
Device；7th, drop hammer tripping gear；8th, the first lift；9th, the second lift；10th, braking system；11st, drop hammer anti whip device；
12nd, lift bottom plate；13rd, bearing block；14th, jackshaft；15th, pulley；16th, interstage sleeve；17th, the first flexible rope；18th, second is flexible
Rope；
101st, the first bottom platform；102nd, high column；103rd, low column；104th, crossbeam；105th, buttress brace；106th, the second bottom
Portion's platform；
201st, the first T-slot bar；202nd, the first fixture locking block；203rd, the first support block；
301st, the second T-slot bar；302nd, the second fixture locking block；303rd, fixture support frame；304th, the second support block；
401st, support block；402nd, oscillating rod；403rd, balancing weight；404th, collision block；405th, rotating shaft；406th, transition block；407th, even
Connect block；
501st, bottom plate；502nd, fixed plate；503rd, guide pillar；504th, guide plate；505th, Weight plate；506th, impact block；507th, it is fixed
Set；508th, fixed seat；
601st, the first link；602nd, the first cylinder；603rd, the first fixed mount；604th, the first rotating bar；605th, the second gas
Cylinder；606th, the first pivotal axis；607th, the second pivotal axis；608th, the 3rd pivotal axis；609th, the first lock pin；
701st, the second link；702nd, the 4th cylinder；703rd, the second fixed mount；704th, the second rotating bar；705th, the 5th gas
Cylinder；706th, the 4th pivotal axis；707th, the 5th pivotal axis；708th, the 6th pivotal axis；709th, the second lock pin；
1001a, upper frame；1001b, foot stool；1001c, tailgate；1002nd, the 3rd cylinder；1003rd, locking top plate；1004、
Damping sheet；
1101st, the 6th cylinder；1102nd, damping block；1103rd, air cylinder support；
A, tests exemplar；B, installing plate；C, sensor；D, cushion block.
Embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair
It is bright to be further detailed.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or terminal device including a series of elements not only include those
Key element, but also the other element including being not expressly set out, or it is this process, method, article or end also to include
The intrinsic key element of end equipment.In the absence of more restrictions, limited by sentence " including ... " or " including ... "
Key element, it is not excluded that other key element in the process including the key element, method, article or terminal device also be present.This
Outside, herein, " being more than ", " being less than ", " exceeding " etc. are interpreted as not including this number；" more than ", " following ", " within " etc. understand
It is to include this number.
As depicted in figs. 1 and 2, a kind of motor turning part compressive stroke testing stand, it includes being used to carry out Charpy impact
The pendulum assembly of experiment and the assembly that drops hammer for falling weight impact test.
The pendulum assembly includes Charpy impact support frame, as shown in figure 3, the Charpy impact support frame is by the first bottom
101, two high columns 102 of portion's platform and two low columns 103 are formed, and the height of high column 102 is higher than low column 103.The
One bottom platform 101 is rectangle shape, and two high column 102 side by side and is vertically fixed on the top surface of first bottom platform 101
Side, and this side is then the front side of the first bottom platform 101.Two low columns 103 side by side and are vertically fixed on the first bottom
The top surface opposite side of platform 101, this side are exactly then the rear side of the first bottom platform 101.Two high column 102 and two it is low vertical
103 rectangular arrangement of post, and be fixedly connected by screw with the top surface of the first bottom platform 101.Two high column 102 it
Between connected by crossbeam 104, such two high column 102 and crossbeam 104 then constitute first support, and two low columns 103 are then
Constitute second support.Connected between adjacent high column 102 and low column 103 by buttress brace 105, each buttress brace 105
It is parallel to each other.
As shown in figure 1, the first lift 8 is arranged on the top of first support, first lift 8 passes through lift bottom plate
12 are arranged between two high column 102.First lift 8 is entitled more using standard model KCG-500-1000kg/30m
Functional promotion machine.Pulley gear is installed at the top of the first support, it is mutually isostructural due to also to be used in the assembly that drops hammer
Pulley gear, for the ease of distinguishing, the pulley gear in this pendulum assembly is then defined as first pulley device, and will dropped hammer
Pulley gear in assembly is defined as second pulley device.(either first pulley device is still as shown in figure 4, pulley gear
Second pulley device) it is made up of two pulleys 15 of jackshaft 14, one of bearing block 13, one and two interstage sleeves 16.In this pendulum
Due to pulley gear is defined as into first pulley device in assembly, so bearing block 13, jackshaft 14, pulley 15, interstage sleeve 16
First bearing seat, the first jackshaft, first pulley, the first interstage sleeve are defined as accordingly, in order to clear explanation pendulum assembly
Structure.As shown in figure 1, the top of each high column 102 is mounted on a first bearing seat (bearing block 13) in first support,
First jackshaft (jackshaft 14) is rotatably connected between two first bearing seats (bearing block 13), first pulley (pulley 15) assembling
Rotated at the middle part of first jackshaft (jackshaft 14) and with first jackshaft (jackshaft 14).First jackshaft
The upper both sides positioned at the first pulley (pulley 15) of (jackshaft 14) are each provided with first interstage sleeve (interstage sleeve 16), to prevent
Only first pulley (pulley 15) double swerve.First flexible rope 17 from the first pulley (pulley 15) around later, one end with
The output shaft of first lift 8 is connected, and the other end is connected with pendulum tripping gear 6.First flexible rope is preferably steel
Cord.As shown in figure 1, the pendulum tripping gear 6 is connected with the pendulum mass component 4 installed on the secondary support bracket.
As shown in figure 5, the pendulum mass component 4 includes support block 401, oscillating rod 402, balancing weight 403, collision block 404, rotating shaft
405th, transition block 406, contiguous block 407, angular encoder.Support block 401 is four, is fixed by screws in two low columns
103 top and between the two low columns 103, four 401 square arrangements of support block.Rotating shaft 405 and transition block
406 be also respectively four, and each transition block 406 is be hinged by a rotating shaft 405 and a support block 401.Wherein, pacify in a rotating shaft 405
Equipped with the angular encoder, angular encoder column 103 low with one is connected, and this angular encoder is used to measure the swing
The swing angle of bar 402.Contiguous block 407 is four, and oscillating rod 402 is also four.One end of each oscillating rod 402 and a transition
Block 406 is fixedly connected, and the other end is fixedly connected with contiguous block 407.Four contiguous blocks 407 are be hinged with balancing weight 403 respectively, described
Collision block 404 for being hit to tests exemplar on pendulum fixture 2 is installed on balancing weight 403.Balancing weight 403 is located at two
Between low column 103, weight can be configured according to different demands.
As shown in fig. 7, the pendulum tripping gear 6 includes the first link 601, the first cylinder 602, the first fixed mount
603rd, the first rotating bar 604 and the second cylinder 605.Wherein, the end phase of the first link 601 and first flexible rope 17
Even, the cylinder barrel bottom of the first cylinder 602 is hinged by one end of the first pivotal axis 606 and first link 601.First fixes
One end of frame 603 is fixedly connected with the other end of the first link 601.One end of first rotating bar 604 and first gas
Piston rod is be hinged by the second pivotal axis 607 in cylinder 602, and the other end is cut with scissors with the first fixed mount 603 by the 3rd pivotal axis 608
Connect.Cylinder barrel in second cylinder 605 is fixedly connected with the other end of first fixed mount 603.Work in second cylinder 605
The first lock pin 609 is connected with stopper rod, first lock pin 609 coordinates to the swing with first rotating bar 604
The swing of bar 402 is controlled.
As shown in Fig. 1 and Fig. 9, the pendulum fixture 2 includes the be packed on the top surface of first bottom platform 101
One T-slot bar 201 and the first fixture locking block 202.The first T-slot bar 201 is towards the balancing weight 403 and collision block 404
Extension.The both ends of the first T-slot bar 201 are provided with the first support block 203, are used to put between two first support blocks 203
Put tests exemplar A.As shown in figure 9, tests exemplar A front ends are connected with installing plate B, sensor C is arranged on installing plate B, the biography
The cushion block D contacted with collision block 404 is connected with sensor C.The first fixture locking block 202 is close to the first T-slot bar 201
Afterbody, for clamping tests exemplar A.
As shown in figure 1, the both sides of pendulum mass component 4 are provided with the braking system 10 that can lock the pendulum mass component 4.Positioned at this
The structure of braking system 10 of the both sides of pendulum mass component 4 is identical, and as shown in figure 11, the braking system 10 includes being fixed on described first
On the top surface of bottom platform 101 and close to the pedestal of the balancing weight 403, the pedestal by upper frame 1001a, foot stool 1001b and
Tailgate 1001c is formed.The foot stool 1001b and the top surface of the first bottom platform 101 are connected by screw, and upper frame 1001a consolidates
On the foot stool 1001b, tailgate 1001c is arranged on the side of the upper frame 1001a.Cylinder barrel in 3rd cylinder 1002
Bottom is hinged with the tailgate 1001c, and locking top plate 1003 is hinged with piston rod in the 3rd cylinder 1002, damping sheet 1004
It is connected on the locking top plate 100.As shown in figure 1, the damping sheet 1004 in two braking systems 10 is relative to each other, in the 3rd gas
The balancing weight 403 can be clamped or loosened under the drive of cylinder 1002.
Said structure is pendulum assembly, the assembly described in detail below that drops hammer.
The assembly that drops hammer includes drop impact support frame, as shown in figure 3, the drop impact support frame is by the second bottom
Portion's platform 106 and two high column 102 are formed.Second bottom platform 106 is connected side by side with the first bottom platform 101, and is located at
The front side of first bottom platform 101.Two high column 102 side by side and is vertically fixed on the top surface of the second bottom platform 106
On, connected between two high column 102 by crossbeam 104, two high column 102 in such second bottom platform 106 and
Crossbeam 104 between it then constitutes the 3rd support.First bottom platform 101, the second bottom platform 106, first support, second
Support, the 3rd support have collectively constituted the main body supporting structure 1 of the motor turning part compressive stroke testing stand.
As shown in figure 1, the second lift 9 is arranged on the top of the 3rd support, second lift 9 is arranged on two Gao Li
Between post 102.The top of 3rd support 105 is provided with second pulley device.As shown in figure 4, pulley gear is by two bearings
Seat 13, jackshafts, 14, pulleys 15 and two interstage sleeves 16 form.Dropped hammer at this in assembly due to determining pulley gear
Justice is second pulley device, so bearing block 13, jackshaft 14, pulley 15, interstage sleeve 16 are defined as second bearing seat, accordingly
Two jackshafts, second pulley, the second interstage sleeve, in order to the structure of the clear explanation pendulum assembly.As shown in figure 1, the 3rd support
In the top of each high column 102 be mounted on a second bearing seat (bearing block 13), the second jackshaft (jackshaft 14) rotates
It is connected between two second bearing seats (bearing block 13), second pulley (pulley 15) is assemblied in the second jackshaft (jackshaft
14) middle part simultaneously rotates with second jackshaft (jackshaft 14).Second jackshaft (jackshaft 14) it is upper positioned at described
The both sides of second pulley (pulley 15) are each provided with second interstage sleeve (interstage sleeve 16), to prevent second pulley (pulley 15) left and right
Rock.Second flexible rope 18 from the second pulley (pulley 15) around later, the output of one end and second lift 9
Axle is connected, and the other end is connected with the tripping gear 7 that drops hammer.Second flexible rope 18 is preferably steel wire rope.It is as shown in figure 1, described
The tripping gear 7 that drops hammer is connected with the component 5 that drops hammer on the 3rd support.
As shown in Figure 6 and Figure 8, the component 5 that drops hammer, it includes：
Bottom plate 501, it is fixedly connected with the top surface of second bottom platform 106.Two are connected with the bottom plate 501 admittedly
Surely 507 are covered.
Fixed plate 502, it is connected with the two high column 102 in the 3rd support.
Guide pillar 503, it is vertically connected between the bottom plate 501 and fixed plate 502.The guide pillar 503 is two.It is each
One end of root guide pillar is connected with fixed cover 507, and the other end is connected by a fixed seat 508 with fixed plate 502.
Guide plate 504, it is arranged on the guide pillar 503 in a manner of being slided along the guide pillar 503.
Weight plate 505, it is arranged on the guide plate 504, and the weight of the Weight plate 505 can be adjusted as needed.
Impact block 506, it is packed on the guide plate 504, for being hit to the tests exemplar on fixture 3 of dropping hammer
Hit.
The tripping gear 7 that drops hammer is similar to the structure of pendulum tripping gear 6, therefore, same to be filled using Fig. 7 to dropping hammer to break off relations
7 structure is put to be illustrated.As shown in fig. 7, comprises the second link 701, the 4th cylinder 702, the second fixed mount 703, second
The cylinder 705 of rotating bar 704 and the 5th.Wherein, the first link 701 is connected with the end of second flexible rope 18, and the 4th
The cylinder barrel bottom of cylinder 702 is hinged by one end of the 4th pivotal axis 706 and second link 701.Second fixed mount 703
One end is fixedly connected with the other end of the second link 701.In one end of second rotating bar 704 and the 4th cylinder 702
Piston rod is be hinged by the 5th pivotal axis 707, and the other end and the second fixed mount 703 are be hinged by the 6th pivotal axis 708.5th gas
Cylinder barrel in cylinder 705 is fixedly connected with the other end of second fixed mount 703.Connect on piston rod in 5th cylinder 705
The second lock pin 709 is connected to, second lock pin 709 coordinates to described to the guide plate 504 with second rotating bar 704
Slip be controlled.
As shown in figure 1, the fixture 3 that drops hammer is arranged on the bottom of the 3rd support, as shown in Figure 10, the fixture 3 that drops hammer includes
The second T-slot article 301 being packed on the 3rd support and the second fixture locking block 302.The top surface of second bottom platform 106
On be fixed with fixture support frame 303, the fixture support frame 303 is located in the 3rd support between two high column 102, described second
T-slot bar 301 is arranged on the fixture support frame 303, and is extended towards impact block 506.The two of the second T-slot bar 301
End is provided with the second support block 304, is used to place tests exemplar A between two second support blocks 304.Tests exemplar A front ends connect
Installing plate B is connected to, sensor C is arranged on installing plate B, and the cushion block D contacted with impact block 506 is connected with sensor C.Institute
Afterbody of the second fixture locking block 302 close to the second T-slot bar 301 is stated, for clamping tests exemplar A.
As shown in figure 1, described drop hammer anti whip device 11 on the top surface of second bottom platform 106 and be located at
The both sides of the fixture 3 that drops hammer.As shown in figure 12, the anti whip device 11 that drops hammer includes the 6th cylinder 1101, damping block
1102 and air cylinder support 1103.The air cylinder support 1103 is fixed on the top surface of the second bottom platform 106 and close to described
Dropped hammer fixture 3, and the cylinder barrel bottom of the 6th cylinder 1101 is fixed on the air cylinder support 1103, in the 6th cylinder 1101
Piston rod on be connected with damping block 1102 for being contacted with the guide plate 504.
Above-mentioned motor turning part compressive stroke testing stand, its detection method are as follows：
First, pendulum impact test
1) by tests exemplar clamping on pendulum fixture 2, tests exemplar treats impact position install sensor, it is ensured that sensor
Firmly install, while have enough intensity.Impact position, such as：The input of the input, car steering tube column of automobile steering device
End etc..
2) pendulum mass component 4 is connected by connecting hook with pendulum tripping gear 6.
3) pendulum mass component 4 is lifted into certain angle using the first lift 8.(angular range impulsive force needed for
Difference, by being calculated)
4) start to test, after testing the delay time (being configured before experiment by upper computer software) by setting,
Completing experiment action, (generally sending order by host computer causes the executing agencies such as cylinder to produce motion, and then causes motor turning
The stopping of part compressive stroke testing stand acts), while data caused by sensor are acquired and handled by analog input card,
Draw impulsive force and the curve of time；
2nd, falling weight impact test
1) tests exemplar clamping is being dropped hammer on fixture 3, tests exemplar treats impact position install sensor, it is ensured that sensor
Firmly install, while have enough intensity.Impact position, such as：The input of the input, car steering tube column of automobile steering device
End etc..
2) component 5 that will drop hammer is connected by connecting hook with the tripping gear 7 that drops hammer.
3) certain altitude is lifted using the second lift 9 component 5 that will drop hammer.(altitude range impulsive force needed for
Difference, by being calculated)
4) start to test, after testing the delay time (being configured before experiment by upper computer software) by setting,
Completing experiment action, (generally sending order by host computer causes the executing agencies such as cylinder to produce motion, and then causes motor turning
The stopping of part compressive stroke testing stand acts), while sensor generated data is acquired and handled by analog input card, paint
Impulsive force processed and the curve of time.
The motor turning part compressive stroke testing stand and its detection method that the present embodiment is provided, can carry out Charpy impact
Experiment and falling weight impact test.The motor turning part compressive stroke testing stand is freely fallen using pendulum mass component and the component that drops hammer
Body moves, and acts in tests exemplar, directly can carry out resistance to shock loads experiment to tests exemplar.By lift, realize remote
Distance controlling so that security is greatly improved, and the feedback for passing through sensor so that drop hammer lifting height carries with pendulum
Lift angle degree is more accurate, so can easily detect the resistance to shock loads ability of tests exemplar, and testing result is more accurate.
Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The limitation of claims.
Claims (10)
1. a kind of motor turning part compressive stroke testing stand, it is characterised in that including the pendulum for carrying out pendulum impact test
Hammer assembly and the assembly that drops hammer for falling weight impact test into shape；
The pendulum assembly includes Charpy impact support frame；The lower front of the Charpy impact support frame is horizontal positioned useful
In the pendulum fixture for clamping tests exemplar, rear side is provided with first pulley device and the first lift；First flexible rope around
After crossing first pulley device, one end is connected with the output shaft of first lift, and the other end is connected with pendulum tripping gear；Should
Pendulum tripping gear is with being arranged on the front side of the Charpy impact support frame and for the test sample on the pendulum fixture
The pendulum mass component that part imposes swing impact is connected；The both sides of this pendulum mass component, which are provided with, to fill the locking that the pendulum mass component locks
Put；
The assembly that drops hammer includes drop impact support frame；The lower vertical of the drop impact support frame is placed with for pressing from both sides
The fixture that drops hammer of tight tests exemplar, top is provided with second pulley device and the second lift；Second flexible rope around the
After two pulley gears, one end is connected with the output shaft of second lift, and the other end is connected with the tripping gear that drops hammer；This drops hammer
Tripping gear is with being arranged on the drop impact support frame top and for being imposed to the tests exemplar dropped hammer on fixture
The component that drops hammer of vertical impact is connected；The anti whip device that drops hammer is installed at the fixture that drops hammer.
2. motor turning part compressive stroke testing stand according to claim 1, it is characterised in that the Charpy impact branch
Support frame frame includes the first bottom platform, is packed in the first bottom platform top surface front side and the first support of rear side and second respectively
Support；
The first pulley device is arranged on the top of the first support, and first lift is arranged on the first support
Top；
The pendulum mass component is arranged in the second support, and the pendulum fixture is horizontally arranged at first bottom platform
It is arranged on the top surface of first bottom platform and leans on top surface and positioned at the lower section of the second support, the braking system
The nearly pendulum mass component.
3. motor turning part compressive stroke testing stand according to claim 2, it is characterised in that the pendulum mass component bag
Include：
Support block, it at the top of the second support with being fixedly connected；
Oscillating rod, it is between the top of the second support and the top surface of the first bottom platform, and one end and the support
Block is hinged, and the other end is hinged with balancing weight；It is provided with the balancing weight for being carried out to tests exemplar on the pendulum fixture
The collision block of shock；
Angular encoder, it is connected with the second support, for measuring the swing angle of the oscillating rod.
4. motor turning part compressive stroke testing stand according to claim 3, it is characterised in that the first pulley dress
Put including installed in two first bearing seats at the top of the first support, be rotatably connected between the first two bearings seat
First jackshaft, the first pulley for being assemblied on first jackshaft and being rotated with first jackshaft；
First flexible rope bypasses from the first pulley；
The pendulum tripping gear includes：
First link, it is connected with the end of first flexible rope；
First cylinder, its cylinder barrel bottom and one end of first link are hinged；
First fixed mount, its one end are fixedly connected with the other end of first link；
First rotating bar, its one end are hinged with the piston rod in first cylinder, and the other end is hinged with the first fixed mount；
Second cylinder, its cylinder barrel are fixedly connected with the other end of first fixed mount；Connect on piston rod in second cylinder
The first lock pin is connected to, first lock pin coordinates the swing to the oscillating rod to be controlled with first rotating bar.
5. motor turning part compressive stroke testing stand according to claim 4, it is characterised in that the pendulum fixture bag
Include the first T-slot bar and the first fixture locking block being packed on the top surface of first bottom platform；The first T-slot bar
Both ends be provided with the first support block, be used to place tests exemplar between two first support blocks；The first fixture locking block
Close to the afterbody of the first T-slot bar, for clamping tests exemplar；
Braking system structure positioned at the both sides of the pendulum mass component is identical, and the braking system includes being fixed on first bottom
The 3rd cylinder that is hinged on the top surface of platform and close to the pedestal of the balancing weight, cylinder barrel bottom with the pedestal, with described the
The be hinged locking top plate of piston rod, the damping sheet being connected on the locking top plate in three cylinders；Damping in two braking systems
Plate is relative to each other, the balancing weight can be clamped or loosened under the drive of the 3rd cylinder.
6. motor turning part compressive stroke testing stand according to claim 1, it is characterised in that the drop impact branch
Support frame frame includes the second bottom platform, the 3rd support being packed on the second bottom platform top surface；
The second pulley device is arranged on the top of the 3rd support, and second lift is arranged on the 3rd support
Top；
The component that drops hammer is arranged on the same side of the 3rd support with the fixture that drops hammer, and the fixture that drops hammer is positioned at the described 3rd
The bottom of support；
It is described to drop hammer anti whip device on the top surface of second bottom platform and close to the fixture that drops hammer.
7. motor turning part compressive stroke testing stand according to claim 6, it is characterised in that the component bag that drops hammer
Include：
Bottom plate, it is fixedly connected with the top surface of second bottom platform；
Fixed plate, it is connected with the 3rd support；
Guide pillar, it is vertically connected between the bottom plate and fixed plate；
Guide plate, it is arranged on the guide pillar in a manner of being slided along the guide pillar；
Weight plate, it is arranged on the guide plate；
Impact block, it is packed on the guide plate, for being hit to the tests exemplar dropped hammer on fixture.
8. motor turning part compressive stroke testing stand according to claim 7, it is characterised in that the second pulley dress
Put including installed in two second bearing seats at the top of the 3rd support, be rotatably connected between the second bearing seat
Two jackshafts, the second pulley for being assemblied on second jackshaft and being rotated with second jackshaft；
Second flexible rope bypasses from the second pulley；
The tripping gear that drops hammer includes：
Second link, it is connected with the end of second flexible rope；
4th cylinder, its cylinder barrel bottom and one end of second link are hinged；
Second fixed mount, its one end are fixedly connected with the second link other end；
Second rotating bar, its one end are hinged with the piston rod in the 4th cylinder, and the other end is hinged with the second fixed mount；
5th cylinder, its cylinder barrel are fixedly connected with the other end of second fixed mount；Connect on piston rod in 5th cylinder
The second lock pin is connected to, second lock pin coordinates the slip to the guide plate to be controlled with second rotating bar.
9. motor turning part compressive stroke testing stand according to claim 8, it is characterised in that the fixture bag that drops hammer
Include the second T-slot article being packed on the 3rd support and the second fixture locking block；The both ends of the second T-slot bar are all provided with
The second support block is equipped with, is used to place tests exemplar between two second support blocks；The second fixture locking block is close to described
The afterbody of two T-slot bars, for clamping tests exemplar；
The anti whip device that drops hammer is fixed on the second bottom platform top surface including cylinder barrel bottom and dropped hammer close to described
6th cylinder of fixture, the damping block for being contacted with the guide plate is connected with the piston rod in the 6th cylinder.
10. motor turning part compressive stroke testing stand according to claim 1, its detection method are as follows：
First, pendulum impact test
1) by tests exemplar clamping on pendulum fixture, tests exemplar treats impact position install sensor；
2) pendulum mass component is connected by connecting hook with pendulum tripping gear；
3) certain angle is arrived into pendulum mass component lifting using the first lift；
4) start to test, test after the delay time of setting, complete experiment action, while by analog input card to sensor
Caused data are acquired and handled, and draw impulsive force and the curve of time；
2nd, falling weight impact test
1) tests exemplar clamping is being dropped hammer on fixture, tests exemplar treats impact position install sensor；
2) component that will drop hammer is connected by connecting hook with the tripping gear that drops hammer；
3) using the second lift will drop hammer component lifting arrive certain altitude；
4) start to test, test after the delay time of setting, complete experiment action, while by analog input card to sensor
Produce data to be acquired and handle, draw impulsive force and the curve of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711275456.9A CN107817119B (en) | 2017-12-06 | 2017-12-06 | Comprehensive impact test bed for automobile steering component and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711275456.9A CN107817119B (en) | 2017-12-06 | 2017-12-06 | Comprehensive impact test bed for automobile steering component and detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107817119A true CN107817119A (en) | 2018-03-20 |
| CN107817119B CN107817119B (en) | 2024-02-02 |
Family
ID=61605779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711275456.9A Active CN107817119B (en) | 2017-12-06 | 2017-12-06 | Comprehensive impact test bed for automobile steering component and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107817119B (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982047A (en) * | 2018-08-08 | 2018-12-11 | 梅永辉 | One kind being used for the anti-drop test device of can glass packaging bottle multi-angle formula |
| CN110095357A (en) * | 2019-04-12 | 2019-08-06 | 南京航空航天大学 | The loading device and method of dynamic loading experiment are stretched for self-sealing falling-off connector |
| CN110514537A (en) * | 2019-09-19 | 2019-11-29 | 中国科学院武汉岩土力学研究所 | Falling weight impact test device |
| CN110579328A (en) * | 2019-10-10 | 2019-12-17 | 浙江大学台州研究院 | reverse impact detection table for electronic steering power-assisted assembly |
| CN110686987A (en) * | 2019-10-09 | 2020-01-14 | 南京航空航天大学 | Dynamic load shearing test device and method for emergency disconnection self-sealing structure |
| CN110749409A (en) * | 2019-08-05 | 2020-02-04 | 中国第一汽车股份有限公司 | Steering gear impact test platform |
| CN112161773A (en) * | 2020-09-29 | 2021-01-01 | 四川建安工业有限责任公司 | Impact test tool and impact test method for gears in main reducer of rear drive axle |
| EP3712589A4 (en) * | 2018-04-23 | 2021-01-27 | Northeastern University | Test apparatus and method for key roof block collapse in bidirectional static-dynamic loading |
| CN112903481A (en) * | 2021-01-19 | 2021-06-04 | 青岛理工大学 | Pendulum testing machine |
| CN113933183A (en) * | 2021-10-15 | 2022-01-14 | 衡阳泰豪通信车辆有限公司 | Shelter wallboard impact test modular tool and test method |
| CN113984320A (en) * | 2021-11-04 | 2022-01-28 | 东风汽车集团股份有限公司 | Device and method for verifying impact strength between steering gear shell and gear rack |
| CN114166535A (en) * | 2021-11-30 | 2022-03-11 | 安庆合力车桥有限公司 | Comprehensive test system for forklift steering axle and control method |
| CN114910258A (en) * | 2022-04-24 | 2022-08-16 | 大汉科技股份有限公司 | Unmanned test simulation device of industrial elevator |
| CN114993711A (en) * | 2022-04-11 | 2022-09-02 | 中国第一汽车股份有限公司 | Hair cover buffer rubber block impact life test stand |
| CN116519252A (en) * | 2023-06-08 | 2023-08-01 | 扬州晶明科技有限公司 | Impact test device for aircraft component |
| CN116659886A (en) * | 2023-04-07 | 2023-08-29 | 襄阳达安汽车检测中心有限公司 | Commercial vehicle cab impact test equipment and test method thereof |
| CN117606912A (en) * | 2024-01-24 | 2024-02-27 | 大连佳秀百隆新材料股份有限公司 | Oblique friction impact testing device for paint film |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020094663A (en) * | 2001-06-12 | 2002-12-18 | 현대자동차주식회사 | Falling dart impact tester for automobile lower arm |
| US20040103713A1 (en) * | 2002-11-18 | 2004-06-03 | Voon Wong Shaw | Pendulum impact test rig |
| JP2008224632A (en) * | 2007-03-16 | 2008-09-25 | Jfe Steel Kk | Method for measuring impact absorption energy using dropping weight type impact testing machine, and dropping weight type impact testing machine |
| CN102519699A (en) * | 2011-12-12 | 2012-06-27 | 中联重科股份有限公司 | Falling object impact test device and cab comprehensive test system |
| DE102011011018B3 (en) * | 2011-02-11 | 2012-07-26 | Industrieanlagen-Betriebsgesellschaft Mbh | Pendulum drop system for impacting testing object, particularly motor vehicle component with testing load, comprises guide structure, which is arranged for guiding falling object during drop along guide structure |
| CN103728112A (en) * | 2013-12-04 | 2014-04-16 | 大连洁能重工机械有限公司 | Impact testing stand |
| CN204594652U (en) * | 2015-04-18 | 2015-08-26 | 长春机械科学研究院有限公司 | A kind of truck drive shaft is turned round to shock table |
| CN207528463U (en) * | 2017-12-06 | 2018-06-22 | 山东凯帝斯工业***有限公司 | Motor turning component compressive stroke testing stand |
-
2017
- 2017-12-06 CN CN201711275456.9A patent/CN107817119B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020094663A (en) * | 2001-06-12 | 2002-12-18 | 현대자동차주식회사 | Falling dart impact tester for automobile lower arm |
| US20040103713A1 (en) * | 2002-11-18 | 2004-06-03 | Voon Wong Shaw | Pendulum impact test rig |
| JP2008224632A (en) * | 2007-03-16 | 2008-09-25 | Jfe Steel Kk | Method for measuring impact absorption energy using dropping weight type impact testing machine, and dropping weight type impact testing machine |
| DE102011011018B3 (en) * | 2011-02-11 | 2012-07-26 | Industrieanlagen-Betriebsgesellschaft Mbh | Pendulum drop system for impacting testing object, particularly motor vehicle component with testing load, comprises guide structure, which is arranged for guiding falling object during drop along guide structure |
| CN102519699A (en) * | 2011-12-12 | 2012-06-27 | 中联重科股份有限公司 | Falling object impact test device and cab comprehensive test system |
| CN103728112A (en) * | 2013-12-04 | 2014-04-16 | 大连洁能重工机械有限公司 | Impact testing stand |
| CN204594652U (en) * | 2015-04-18 | 2015-08-26 | 长春机械科学研究院有限公司 | A kind of truck drive shaft is turned round to shock table |
| CN207528463U (en) * | 2017-12-06 | 2018-06-22 | 山东凯帝斯工业***有限公司 | Motor turning component compressive stroke testing stand |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3712589A4 (en) * | 2018-04-23 | 2021-01-27 | Northeastern University | Test apparatus and method for key roof block collapse in bidirectional static-dynamic loading |
| CN108982047B (en) * | 2018-08-08 | 2019-12-27 | 长安大学 | Be used for anti testing arrangement that falls of can glass packing bottle multi-angle formula |
| CN108982047A (en) * | 2018-08-08 | 2018-12-11 | 梅永辉 | One kind being used for the anti-drop test device of can glass packaging bottle multi-angle formula |
| CN110095357A (en) * | 2019-04-12 | 2019-08-06 | 南京航空航天大学 | The loading device and method of dynamic loading experiment are stretched for self-sealing falling-off connector |
| CN110095357B (en) * | 2019-04-12 | 2022-02-08 | 南京航空航天大学 | Loading device and method for self-sealing type drop joint tensile dynamic load test |
| CN110749409A (en) * | 2019-08-05 | 2020-02-04 | 中国第一汽车股份有限公司 | Steering gear impact test platform |
| CN110514537A (en) * | 2019-09-19 | 2019-11-29 | 中国科学院武汉岩土力学研究所 | Falling weight impact test device |
| CN110514537B (en) * | 2019-09-19 | 2024-05-07 | 中国科学院武汉岩土力学研究所 | Drop hammer impact test device |
| CN110686987A (en) * | 2019-10-09 | 2020-01-14 | 南京航空航天大学 | Dynamic load shearing test device and method for emergency disconnection self-sealing structure |
| CN110686987B (en) * | 2019-10-09 | 2021-11-05 | 南京航空航天大学 | Dynamic load shearing test device and method for emergency disconnection self-sealing structure |
| CN110579328A (en) * | 2019-10-10 | 2019-12-17 | 浙江大学台州研究院 | reverse impact detection table for electronic steering power-assisted assembly |
| CN110579328B (en) * | 2019-10-10 | 2024-04-09 | 浙江大学台州研究院 | Reverse impact detection table for electronic steering power-assisted assembly |
| CN112161773A (en) * | 2020-09-29 | 2021-01-01 | 四川建安工业有限责任公司 | Impact test tool and impact test method for gears in main reducer of rear drive axle |
| CN112161773B (en) * | 2020-09-29 | 2022-11-01 | 四川建安工业有限责任公司 | Impact test tool and impact test method for gears in main reducer of rear drive axle |
| CN112903481A (en) * | 2021-01-19 | 2021-06-04 | 青岛理工大学 | Pendulum testing machine |
| CN113933183A (en) * | 2021-10-15 | 2022-01-14 | 衡阳泰豪通信车辆有限公司 | Shelter wallboard impact test modular tool and test method |
| CN113984320A (en) * | 2021-11-04 | 2022-01-28 | 东风汽车集团股份有限公司 | Device and method for verifying impact strength between steering gear shell and gear rack |
| CN113984320B (en) * | 2021-11-04 | 2023-04-25 | 东风汽车集团股份有限公司 | Device and method for verifying impact strength of steering gear shell and gear rack |
| CN114166535A (en) * | 2021-11-30 | 2022-03-11 | 安庆合力车桥有限公司 | Comprehensive test system for forklift steering axle and control method |
| CN114993711A (en) * | 2022-04-11 | 2022-09-02 | 中国第一汽车股份有限公司 | Hair cover buffer rubber block impact life test stand |
| CN114910258B (en) * | 2022-04-24 | 2022-10-25 | 大汉科技股份有限公司 | Unmanned test simulation device of industrial elevator |
| CN114910258A (en) * | 2022-04-24 | 2022-08-16 | 大汉科技股份有限公司 | Unmanned test simulation device of industrial elevator |
| CN116659886A (en) * | 2023-04-07 | 2023-08-29 | 襄阳达安汽车检测中心有限公司 | Commercial vehicle cab impact test equipment and test method thereof |
| CN116659886B (en) * | 2023-04-07 | 2024-04-05 | 襄阳达安汽车检测中心有限公司 | Commercial vehicle cab impact test equipment and test method thereof |
| CN116519252A (en) * | 2023-06-08 | 2023-08-01 | 扬州晶明科技有限公司 | Impact test device for aircraft component |
| CN116519252B (en) * | 2023-06-08 | 2024-01-23 | 扬州晶明科技有限公司 | Impact test device for aircraft component |
| CN117606912A (en) * | 2024-01-24 | 2024-02-27 | 大连佳秀百隆新材料股份有限公司 | Oblique friction impact testing device for paint film |
| CN117606912B (en) * | 2024-01-24 | 2024-04-05 | 大连佳秀百隆新材料股份有限公司 | Oblique friction impact testing device for paint film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107817119B (en) | 2024-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107817119A (en) | Motor turning part compressive stroke testing stand and its detection method | |
| US9588029B2 (en) | Dynamics performance testing system | |
| CN106568659A (en) | Impact testing apparatus | |
| CN106629523A (en) | Aerial work vehicle with self-stabilizing system and self-stabilizing control method thereof | |
| CN206362648U (en) | Pipeline shock resistance test machine | |
| CN104122058B (en) | A kind of equivalent-simplification beam three-point bending is dropped hammer collision test method and its device | |
| CN207528463U (en) | Motor turning component compressive stroke testing stand | |
| CN105588699B (en) | A kind of hydraulic shock testing machine | |
| CN108645632B (en) | Multifunctional suspension test bed for simulating multiple road conditions | |
| CN104764576B (en) | Stretching, twisting and bending combined effect vibration testing machine for flexible rod piece | |
| CN202836915U (en) | Single-leg impact control experiment platform for robot | |
| CN102840959A (en) | Single-leg impact control experiment platform for robot | |
| CN107121331A (en) | A kind of multifunctional rock mechanical property testing instrument | |
| CN106596021B (en) | It is a kind of that the shaking table model device of twisting vibration load is provided | |
| CN102645326B (en) | Automotive stabilizer bar fatigue test-bed structure | |
| CN104181054A (en) | Device and method for testing elongation and pull-apart of integral rubber track in horizontal state | |
| CN210048388U (en) | Intelligent anti-swing bridge crane | |
| CN209372441U (en) | A kind of testboard bay for automotive seat endurance torsion | |
| CN207066657U (en) | A kind of simple lever consolidation apparatus for supporting balancing method expansive force to test | |
| CN109100108A (en) | The positive level detecting apparatus of high axle load | |
| CN208459189U (en) | A kind of Multifunctional comprehensive testing device | |
| CN105083398A (en) | Accompanying ground transporting tool | |
| CN102692458A (en) | Wood and wood composite material nondestructive testing excitation device based on uniform force knocking method | |
| CN202599916U (en) | Non-destructive testing exciting device for wood and woodiness composite materials based on uniform force knocking | |
| CN207495184U (en) | A kind of electric meter case processing torsion testing integrated device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |