CN103791056B - Change speed change gear and the bump test device of destination apparatus movement velocity - Google Patents
Change speed change gear and the bump test device of destination apparatus movement velocity Download PDFInfo
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- CN103791056B CN103791056B CN201410043801.6A CN201410043801A CN103791056B CN 103791056 B CN103791056 B CN 103791056B CN 201410043801 A CN201410043801 A CN 201410043801A CN 103791056 B CN103791056 B CN 103791056B
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- destination apparatus
- load bearing
- bearing seat
- support means
- travel mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- 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
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of speed change gear changing destination apparatus movement velocity, it is characterised in that including: force application apparatus, described force application apparatus is used for output action power；Travel mechanism, described travel mechanism is movably disposed, and described travel mechanism can be arranged by described force application apparatus with applying active force；Support means, described support means is oppositely arranged with described travel mechanism；Having a receiving space that can accommodate destination apparatus between described support means and described travel mechanism, described receiving bulk is arranged with reducing；Described force application apparatus applies resistance by described travel mechanism to destination apparatus when destination apparatus enters and accommodates space, or force application apparatus applies active force by described travel mechanism to the destination apparatus that is positioned in described receiving space, destination apparatus is made to remove described receiving space.The present invention is applied widely, both may be used for the bump test of the airborne vehicles such as aircraft, it may also be used for the bump test of the land vehicles such as automobile.
Description
Technical field
The present invention relates to a kind of speed change gear changing destination apparatus movement velocity and bump test device.
Background technology
At present, domestic existing bump test platform is mostly vehicle passive safety test platform, it is impossible in airborne vehicle zero
Part carries out Airworthiness Certification.During vehicle impact testing, the state that the state after car crass requires from seaworthiness proving institute is different.Automobile
During impact test, as long as car crass stops after being obstructed or rebounds backward；But continue forward after being unable to maintain that car crass
Motion.And airborne vehicle is in running, during fall of hanging down, in the moment landed, airborne vehicle is by bigger resistance, and profit
Be able to maintain that airborne vehicle continues, along the former direction of motion, suitable distance of moving with crash energy absorption equipment, existing collision test device without
This motion state of method simulation airborne vehicle, therefore cannot carry out airworthiness demonstration.And when vehicle impact testing, it is only capable of
The state of one or both collision rift of simulated automotive collision rift, it is impossible to simulated automotive collision rift continues forward traveling, therefore limits
Its range.
And traditional bump test platform mostly by metal tube as retention device, utilize metal tube deformation absorb energy, make motion
Device stops.But in experimentation, due to the existence of the uncontrolled objective factor such as frictional force, mechanically deform, which results in
Need before single test just to obtain satisfactory test data through repeatedly adjusting.The metal tube blocking effect to telecontrol equipment
It is difficult to accurately control, therefore, existing bump testing machine, it is simply possible to use in experiment when simply making telecontrol equipment stop.And it is right
For airborne vehicle, in use, its motion state is hampered in addition to stopping when in motion, there is also by higher motion speed
Degree reduces to relatively low movement velocity in certain time period.Existing collision test device, it is impossible to be used for making telecontrol equipment produce this
The motion state change of sample, the scope of application is little.
Summary of the invention
An object of the present invention is to overcome deficiency of the prior art, it is provided that the change destination apparatus that a kind of range is wide
The speed change gear of movement velocity.
For realizing object above, the present invention is achieved through the following technical solutions:
Change the speed change gear of destination apparatus movement velocity, it is characterised in that including:
Force application apparatus, described force application apparatus is used for output action power；
Travel mechanism, described travel mechanism is movably disposed, and described force application apparatus can apply active force ground to described travel mechanism
Arrange；
Support means, described support means is oppositely arranged with described travel mechanism；
There is between described support means and described travel mechanism a receiving space that can accommodate destination apparatus, described receiving space
Size reduction ground is arranged；
Described force application apparatus applies resistance by described travel mechanism to destination apparatus when destination apparatus enters and accommodates space, or
Force application apparatus applies active force by described travel mechanism to the destination apparatus that is positioned in described receiving space, makes destination apparatus move
Go out described receiving space.
Preferably, the direction of motion of described travel mechanism and the direction of motion of destination apparatus have obtuse angle angle, right angle angle or
Acute angle.
Preferably, described travel mechanism has acting surface, and described acting surface is relative with support means；Described acting surface and target
Angle between the moving line of device is acute angle.
Preferably, described support means has supporting surface, and described supporting surface is relative with described travel mechanism；Described supporting surface with
Angle between the moving line of destination apparatus is acute angle.
Preferably, described travel mechanism includes piston rod；Described force application apparatus is hydraulic cylinder, described hydraulic cylinder include cylinder barrel and
Piston；Described piston is movably disposed in described cylinder barrel；Described piston rod one end is connected with described piston, and the other end stretches out
Outside described cylinder barrel.
Preferably, described travel mechanism also includes load bearing seat；Described load bearing seat is installed on described piston rod end；Described carrying
Seat is oppositely arranged with described support means.
Preferably, described load bearing seat is arranged rotatably with described piston rod.
Preferably, described piston rod end is provided with bulb；Described load bearing seat is provided with hemispherical shrinkage pool；Described bulb can be lived
It is arranged in described hemispherical shrinkage pool dynamicly.
Preferably, described load bearing seat is provided with dismountable cover plate；Described piston rod passes described cover plate；Described cover plate will
Described bulb is limited in described hemispherical shrinkage pool movably.
Preferably, described bulb is detachably connected with described piston rod.
Preferably, the surface that described load bearing seat is relative with described support means is acting surface；Described acting surface and destination apparatus
The angle of moving line is acute angle.
Preferably, the surface that described support means is relative with described load bearing seat is supporting surface；Described supporting surface is transported with destination apparatus
The angle of dynamic route is acute angle.
Preferably, tourelle is also included；Described tourelle is rotatably installed on described support means or described load bearing seat
On；Described tourelle is between described load bearing seat and described support means.
Preferably, the surface that described load bearing seat is relative with described support means is acting surface；Described support means and described carrying
The relative surface of seat is supporting surface；Described acting surface and described supporting surface one of both or both and the folder of destination apparatus moving line
Angle is acute angle；Described tourelle number is two or more, arranges along the destination apparatus direction of motion；The plurality of tourelle chi
Very little identical；Described tourelle is installed on described load bearing seat or arranges in support means or be respectively arranged in load bearing seat and prop up
On support arrangement.
Preferably, the surface that described load bearing seat is relative with described support means is acting surface；Described support means and described carrying
The relative surface of seat is supporting surface；Described acting surface and described supporting surface are all parallel with destination apparatus moving line；Described rolling fills
Putting number is two or more, and the plurality of tourelle size increases successively；Described tourelle be installed on described load bearing seat or
Person is arranged in support means or is respectively arranged in load bearing seat and support means.
Preferably, described tourelle is ball, cylinder, cylinder or bearing.
Preferably, at least one lead is also included；Described lead is arranged on described load bearing seat side；Described load bearing seat can
Slide against on described lead along described lead.
Preferably, described lead number is two, and interval is arranged；Described load bearing seat includes a main body；Described seat main body two
End is respectively arranged with wing plate；Said two wing plate bears against on said two lead, and can slide along described lead.
Preferably, described wing plate has arcuate flanks；Described arcuate flanks contacts with described lead；Described arcuate flanks
Arc along described load bearing seat moving direction extend.
Preferably, described piston rod is arranged with being perpendicular to destination apparatus moving line.
The two of the purpose of the present invention are to overcome deficiency of the prior art, it is provided that the bump test device that a kind of range is wide.
For realizing object above, the present invention is achieved through the following technical solutions:
Bump test device, it is characterised in that including: the speed change gear of right aforesaid change destination apparatus movement velocity；With
And
Stressing device, described stressing device enters described receiving space after the shock bearing destination apparatus, or is installed on mesh
With destination apparatus moving process enters described receiving space on device for mark, or it is arranged in described receiving space, described force
Device makes described stressing device move in described receiving space after described stressing device being applied active force by described travel mechanism
Go out.
Preferably, described striking face is inclined-plane.
Preferably, described stressing device has the striking face relative with travel mechanism, and the weight-bearing surface relative with support means；
Shown in the length of horizontal direction of the length of horizontal direction of striking face or weight-bearing surface, more than described striking face and described weight-bearing surface it
Between ultimate range.
Preferably, described striking face or hold the length of horizontal direction in the face of hitting, is the ultimate range between striking face and weight-bearing surface
More than three times.
Preferably, described stressing device has and moves the side that direction is parallel, and described side is trapezoidal or triangle；
Described stressing device is that described side linearly extends and forms；The bearing of trend of described side is vertical with described side.
Preferably, the side of described stressing device is right-angled trapezium.
Preferably, described stressing device being provided with tourelle, described tourelle is positioned at described stressing device and load bearing seat
Between, or between described stressing device and support means, or lay respectively between described stressing device and load bearing seat and
Between stressing device and support means.
Preferably, described tourelle is equivalently-sized or increases successively or is sequentially reduced.
The present invention both can make destination apparatus slow down, it is also possible to is destination apparatus accelerated motion, and can be according to the acceleration set
Degree or deceleration travel, and acceleration and deceleration can adjust according to test requirements document.When the present invention uses as deceleration device,
Destination apparatus according to the vehicles motion state move clash into stressing device, or stressing device is installed on destination apparatus with
Destination apparatus moves together.Stressing device enters after accommodating in space, and force application apparatus applies resistance by travel mechanism to stressing device
Power, makes stressing device slow down according to the deceleration set.The when that travel mechanism applying resistance to stressing device, also can be by stress
Device drives and moves.The displacement of travel mechanism can set, and therefore, travel mechanism can make stressing device according to setting
Deceleration slow down.As such, it is possible to utilize stressing device to simulate any vehicles state under any moving situation, especially
Be airborne vehicle hang down fall during state, for set in airborne vehicle device airworthiness prove provide the foundation.The present invention is as acceleration
When device uses, stressing device is arranged in receiving space, and force application apparatus applies active force by travel mechanism to stressing device,
Stressing device removal is made to accommodate space.It is gradually increased the active force of force application apparatus, stressing device can be made to accelerate removal and accommodate space.
Utilizing the size accommodating space to reduce ground to arrange, it is shorter shifting that stressing device can be made to hold the length transition moved horizontally when hitting
The movable length of motivation structure.By the movable length of stressing device is converted to the movable length that travel mechanism is less, using liquid
When cylinder pressure is as force application apparatus, the hydraulic fluid flow rate of hydraulic cylinder may be configured as less numerical value.The instantaneous hydraulic oil by servo valve
Flow is without departing from the tolerance range of servo valve.Utilize hydraulic cylinder as force application apparatus, the active force of applying can be accurately controlled
Size, enables acceleration that destination apparatus moves and deceleration accurately to simulate the motion state of airborne vehicle, rushing for airborne vehicle
Hit test to provide the foundation condition.
Load bearing seat is rotatably coupled with piston rod, and after stressing device enters and accommodates space, load bearing seat can rotate to adapt to hold
Carry the shape and state put, enable the acting surface of load bearing seat preferably to fit with stressing device.Lead, Ke Yiwei are set
Load bearing seat provides and supports, deflection when can prevent load bearing seat from being supported by stressing device.When load bearing seat is relative to piston rod rotation, by
It is arcwall face in the side that load bearing seat contacts with lead, it can be ensured that load bearing seat contacts with between lead all the time, and
Will not be stuck by lead.
The speed change gear changing destination apparatus movement velocity in the present invention, after stressing device bears the collision of test object, permissible
The motion state of simulated test object, especially simulation airborne vehicle hang down fall time motion state, for setting the seaworthiness of device in airborne vehicle
Property demonstration provide inspection basis.And the speed change gear of the change destination apparatus movement velocity in the present invention is applied widely, both
May be used for the bump test of the airborne vehicles such as aircraft, it may also be used for the bump test of the land vehicles such as automobile, widen collision
The range of application of test.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 structural representation.
Fig. 2 is the embodiment of the present invention 1 structural representation, stressing device not shown in Fig. 2.
Fig. 3 is the front view of the embodiment of the present invention 1.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the side view of the embodiment of the present invention 1.
Fig. 6 is the part B enlarged drawing in Fig. 5.
Fig. 7 is load bearing seat and the ball head structure schematic diagram of the embodiment of the present invention 1.
Fig. 8 is the stressing device structural representation in the embodiment of the present invention 1.
Fig. 9 is the A-A sectional view of the embodiment of the present invention 2, and A-A cutting line is identical with Fig. 3.
Figure 10 is the A-A sectional view of the embodiment of the present invention 3, and A-A cutting line is identical with Fig. 3.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in detail:
Embodiment 1
As shown in Figures 1 to 8, bump test device, both may be used to destination apparatus and accelerated, it is possible to so that destination apparatus subtracts
Speed.The present embodiment is for explanation as a example by making destination apparatus slow down.Bump test device, including force application apparatus, travel mechanism 120
With support means 130.Force application apparatus is connected with travel mechanism 120, for travel mechanism 120 is applied active force.Moving machine
Structure 120 is oppositely arranged with support means 130, and has gap between the two.Destination apparatus or stressing device enter moving machine
After between structure 120 and support means 130, force application apparatus passes through travel mechanism 120 to destination apparatus stressing device or destination apparatus
Apply resistance, make destination apparatus reduce speed.According to bump test requirement, destination apparatus both can be made by a higher motion speed
Spend and be reduced to relatively low movement velocity within the time set, it is also possible to stop within the time set from a higher movement velocity.
By the deceleration device of the present embodiment, the motion in brake, shock, descent of the destination apparatus simulated vehicle can be made
State, sets the seaworthiness of device, suitable row demonstration offer experimental basis equipment in the various vehicles.
According to one embodiment of present invention, force application apparatus is hydraulic cylinder 110.Hydraulic cylinder 110 includes cylinder barrel 111, piston, oil
Pipe 112 and servo valve 113.Piston (not shown) it is provided with in cylinder barrel 111.Supplied for hydraulic cylinder 110 by oil pipe 112
Answer hydraulic oil, piston can be made to move in cylinder barrel 111, produce the active force needed.Hydraulic cylinder 110 both can be driven by hydraulic oil
Dynamic one-way movement, it is also possible to be to be driven bidirectional-movement by hydraulic oil.The on an off of servo valve 113 control oil pipe 112.
Travel mechanism 120 includes piston rod 121 and load bearing seat 122.Piston rod 121 one end is connected with the piston of hydraulic cylinder 110,
The other end is connected rotatably with load bearing seat 122.Piston rod 121 end is provided with bulb 123.Bulb 123 includes depending on
Secondary connected connecting rod 1231 and pommel 1232.Piston rod 121 is threadeded with connecting rod 1231.Load bearing seat 122 includes a main body
124.Seat main body 124 two sides are respectively arranged with a wing plate 125.Seat body upper surface 1241 is provided with hemispherical shrinkage pool 126.
The pommel 1232 of bulb 123 is positioned at hemispherical shrinkage pool 126.By screw 128, dismountable lid is installed in seat main body 124
Plate 127.Pommel 1232 is limited in hemispherical shrinkage pool 126 by cover plate 127.Piston rod 121 is through cover plate 127.Pommel 1232
Can be movable in hemispherical shrinkage pool 126.
Load bearing seat 122 side is provided with two leads 130, and two lead 130 intervals are arranged.Each wing plate 125 is resisted against
On a piece lead 130, and can slide up and down along lead 130.Each wing plate 125 all has an arcuate flanks 1251 and leads
Contact to post 130.The radian of arcuate flanks 1251 extends along the moving direction of load bearing seat 120.
Seat body lower surface 1242 is inclined-plane (as shown in Figure 4, Figure 5).Seat body lower surface 1242 and the motion of destination apparatus
Route X has acute angle α.A support means it is provided with below load bearing seat 120.Support means is gripper shoe 140.Carrying
Seat 120 is oppositely arranged with support means 140.Seat main body 124 surface relative with gripper shoe 140 is acting surface, i.e. seat main body
Lower surface 1242.Gripper shoe 140 surface relative with load bearing seat 120 is supporting surface, i.e. the upper surface 141 of gripper shoe 140.
There is between load bearing seat 120 and gripper shoe 140 gap, form the receiving space 150 that a permission destination apparatus enters.Seat is main
Body lower surface 1242 is inclined-plane, along the direction of motion of destination apparatus, accommodates space 150 size and reduces.
The present embodiment also includes stressing device 160, and described stressing device 160 is for bearing the shock of destination apparatus or being installed on
On destination apparatus.Described stressing device 160 has the striking face 161 relative with travel mechanism 120 and relative with gripper shoe 140
Weight-bearing surface 162.Striking face 161 is the upper surface of stressing device 160；Weight-bearing surface 162 is stressing device 160 times
Surface.As shown in Figure 4, striking face 161 is inclined-plane (as shown in Figure 4).Described stressing device 160 has and moves direction
Parallel side 163, described side 163 is trapezoidal or triangle.In preferred exemplary as depicted, described stress fills
The side 163 putting 160 is right-angled trapezium.Described stressing device forms for linearly extending from described side 163；Described side
The bearing of trend of 163 is vertical with described side 163.Length L of the horizontal direction of shown striking face 161, more than striking face 161
And ultimate range H between weight-bearing surface 162.Preferably, L is more than 7 times of h.
Stressing device 160 is arranged on destination apparatus and moves with destination apparatus, or be arranged at receiving space 150 before,
And enter when moving ahead with destination apparatus after being clashed into by destination apparatus in receiving space 150.Stressing device 160 enters described receiving
Behind space 150, striking face 161 part of stressing device 160 contacts with seat body lower surface 1242.Hydraulic cylinder 110 applies
Active force puts on stressing device 160 by piston rod 121 and load bearing seat 122, stops that stressing device 160 moves ahead.Stress
Device 160 moving process can apply reaction force to load bearing seat 122 and piston rod 121, therefore, the piston of hydraulic cylinder 110
Moved by the effect of stressing device 160, the hydraulic oil in cylinder barrel 111 is discharged.Along with stressing device 160 moves ahead, clash into
Face 161 is gradually increased with the contact area of seat body lower surface 1242.Described hydraulic cylinder 110 is to piston rod 121 and load bearing seat
122 apply downward active force.The active force that piston rod 121 and load bearing seat 122 are applied by hydraulic cylinder 110, with stressing device
160 pairs of its force directions applied are contrary.The active force that piston rod 121 and load bearing seat 122 are applied by stressing device 160 is big
In the active force of hydraulic cylinder 110, therefore, load bearing seat 122 and piston rod 121 all move up a certain distance.This distance
Size, the amount of force that can set according to hydraulic cylinder 110, and destination apparatus drive stressing device 160 to execute load bearing seat 122
The amount of force that adds and preset.The active force that load bearing seat 122 is applied by hydraulic cylinder 110 with stressing device 160 is contrary,
Therefore, by piston rod 121 and load bearing seat 122, hydraulic cylinder 110 can stop that stressing device 160 continues on, so that stress
The movement velocity of device 160 reduces.The present invention both can make stressing device 160 be down to relatively low fortune from a higher movement velocity
Dynamic speed travels, and the performance and the state that are presented destination apparatus in this state changes are studied；Stress can also be made to fill
Put 160 to be down to stop completely from a certain movement velocity.
After stressing device 160 enters described receiving space 150, owing to the length of striking face 161 horizontal direction is more than striking face
Ultimate range between 161 and weight-bearing surface 162, therefore, the displacement of stressing device 160 horizontal direction, it is converted into carrying
Seat 122 and the displacement of piston rod 121 vertical direction；And the displacement of stressing device 160 horizontal direction, more than carrying
The displacement of seat 122 vertical directions.Described striking face 161 or hold length L of horizontal direction in the face of hitting 162, is striking face
More than three times of ultimate range H between 161 and weight-bearing surface 162, preferably more than seven times.Concrete multiple is actual makes for it
Determine by occasion.The displacement of stressing device 160 horizontal direction, forms load bearing seat 122 vertically side after can reducing corresponding multiple
To displacement.Therefore, piston displacement in hydraulic cylinder 110 is far smaller than the displacement of stressing device 160.
So, hydraulic cylinder 110 is only with less volume, it is possible to output action power, makes stressing device 160 drop in longer distance
Harmonic motion speed.
If being arranged on destination apparatus moving line by piston rod 121, directly bear the shock of destination apparatus, and along target after being hit
The former moving line of device moves, then hydraulic pressure when destination apparatus speed per hour is 50 kilometers, after piston rod 111 is hit, in cylinder barrel 111
Oil can reach more than 1000 liters by the flow of servo valve 124 is per minute.If destination apparatus speed per hour is higher, then hydraulic oil passes through
The flow of servo valve will be higher.But current servo valve, when flow per minute is more than 1000 liters, is difficult to accurately control its flow
Size, causes the more difficult control of power that hydraulic cylinder is exported by piston rod.When the power of force application apparatus output is difficult to control to, destination apparatus
Motion state be difficult to carry out according to set pattern, it is impossible to accurately simulate various motion state.In the present invention, by being subject to
Power apparatus is set to wedge shape, the horizontal displacement after can being hit by stressing device 160, is converted to less piston rod 121 and carrying
The displacement of seat 122, thus the hydraulic oil flow by servo valve 124 can be reduced.According to above design, can be by hydraulic cylinder 110
For bump test, thus the projectile deceleration history of destination apparatus can be accurately controlled.In the present embodiment, piston rod 121 is perpendicular to
The mobile route of stressing device 160, relies on striking face 161 and acting surface 1242 to be set to inclined-plane, by the water of stressing device 160
Prosposition moves the vertical displacement being reduced into piston rod 121.
Embodiment 2
As it is shown in figure 9, the present embodiment is on the basis of embodiment 1, add tourelle 170.Described tourelle 170 can
It is rotatably mounted on described gripper shoe 140 or described load bearing seat 122；Or it is arranged at gripper shoe 140 He simultaneously；Described rolling
Dynamic device 170 is between described load bearing seat 122 and described gripper shoe 140.Tourelle 170 is used for making stressing device 160
And the sliding friction between gripper shoe 140 or load bearing seat 122 changes rolling friction into, reduces its frictional force；Avoid frictional force excessive
And damage piston rod 121 or load bearing seat 122.Described tourelle 170 can be ball, cylinder or cylinder, pacifies rotationally
It is loaded in load bearing seat 122 or gripper shoe 140.In preferred exemplary as depicted, tourelle 170 is ball.Roll dress
Put 170 to be rotatably installed in gripper shoe 140, for reducing the frictional force between stressing device 160 and gripper shoe 140.
Embodiment 3
As shown in Figure 10, the present embodiment is with the difference of embodiment 1, and stressing device 160 is rectangular shape, on it
Surface 164 is plane.Multiple tourelle 170 it is provided with on upper surface 164.Tourelle 170 is ball.Tourelle
170 right-to-left diameters increase successively.Leftmost ball diameter is 7 times of rightmost ball diameter.Tourelle 170
Between stressing device 160 and load bearing seat 122.Stressing device 160 is by tourelle 170 and load bearing seat 122 and support
Plate 160 contacts.Multiple tourelle 170 diameters change successively, and the upper end of multiple tourelles 170 forms an oblique line.Multiple
Tourelle 170 diameter changes successively, and it is identical that its effect is set to beveling effect with the striking face 161 in embodiment 1.Remaining
Structure is same as in Example 1.
Embodiment in the present invention is only used for that the present invention will be described, is not intended that the restriction to right, this area
Interior technical staff it is contemplated that other replacements being substantially equal to, all in scope.
Claims (28)
1. change the speed change gear of destination apparatus movement velocity, it is characterised in that including:
Force application apparatus, described force application apparatus is used for output action power；
Travel mechanism, described travel mechanism is movably disposed, and described travel mechanism can be set by described force application apparatus with applying active force
Put；
Support means, described support means is oppositely arranged with described travel mechanism；
There is between described support means and described travel mechanism a receiving space that can accommodate destination apparatus, described receiving space chi
Very little arrange with reducing；
Described force application apparatus applies resistance when destination apparatus enters and accommodates space by described travel mechanism to destination apparatus, or executes
Power apparatus applies active force by described travel mechanism to the destination apparatus that is positioned in described receiving space, makes destination apparatus move
Go out described receiving space.
The speed change gear of change destination apparatus movement velocity the most according to claim 1, it is characterised in that described travel mechanism
The direction of motion has obtuse angle angle, right angle angle or acute angle with the direction of motion of destination apparatus.
The speed change gear of change destination apparatus movement velocity the most according to claim 1, it is characterised in that described travel mechanism has
Having acting surface, described acting surface is relative with support means；Angle between described acting surface and the moving line of destination apparatus is
Acute angle.
4. according to the speed change gear changing destination apparatus movement velocity described in claim 1 or 3, it is characterised in that described support fills
Putting and have supporting surface, described supporting surface is relative with described travel mechanism；Between described supporting surface and the moving line of destination apparatus
Angle be acute angle.
The speed change gear of change destination apparatus movement velocity the most according to claim 1, it is characterised in that described travel mechanism wraps
Include piston rod；Described force application apparatus is hydraulic cylinder, and described hydraulic cylinder includes cylinder barrel and piston；Described piston is arranged movably
In described cylinder barrel；Described piston rod one end is connected with described piston, and the other end stretches out in outside described cylinder barrel.
The speed change gear of change destination apparatus movement velocity the most according to claim 5, it is characterised in that described travel mechanism is also
Including load bearing seat；Described load bearing seat is installed on described piston rod end；Described load bearing seat is oppositely arranged with described support means.
The speed change gear of change destination apparatus movement velocity the most according to claim 6, it is characterised in that described load bearing seat and institute
State piston rod to arrange rotatably.
The speed change gear of change destination apparatus movement velocity the most according to claim 7, it is characterised in that described piston rod end
Bulb is installed；Described load bearing seat is provided with hemispherical shrinkage pool；Described bulb is movably disposed in described hemispherical shrinkage pool.
The speed change gear of change destination apparatus movement velocity the most according to claim 8, it is characterised in that pacify on described load bearing seat
Equipped with dismountable cover plate；Described piston rod passes described cover plate；Described bulb is limited to described by described cover plate movably
In hemispherical shrinkage pool.
The speed change gear of change destination apparatus movement velocity the most according to claim 9, it is characterised in that described bulb and institute
State piston rod detachably connected.
The speed change gear of 11. change destination apparatus movement velocitys according to claim 6, it is characterised in that described load bearing seat with
The relative surface of described support means is acting surface；Described acting surface is acute angle with the angle of the moving line of destination apparatus.
12. according to the speed change gear changing destination apparatus movement velocity described in claim 6 or 11, it is characterised in that described support
The surface that device is relative with described load bearing seat is supporting surface；Described supporting surface is acute angle with the angle of destination apparatus moving line.
The speed change gear of 13. change destination apparatus movement velocitys according to claim 6, it is characterised in that also include rolling dress
Put；Described tourelle is rotatably installed on described support means or described load bearing seat；Described tourelle is positioned at described
Between load bearing seat and described support means.
The speed change gear of 14. change destination apparatus movement velocitys according to claim 13, it is characterised in that described load bearing seat with
The relative surface of described support means is acting surface；The described support means surface relative with described load bearing seat is supporting surface；Institute
State acting surface and described supporting surface one of both or both angles with destination apparatus moving line are acute angle；Described tourelle
Number is two or more, arranges along the destination apparatus direction of motion；The plurality of tourelle is equivalently-sized；Described tourelle
It is installed on described load bearing seat or arranges in support means or be respectively arranged in load bearing seat and support means.
The speed change gear of 15. change destination apparatus movement velocitys according to claim 13, it is characterised in that described load bearing seat with
The relative surface of described support means is acting surface；The described support means surface relative with described load bearing seat is supporting surface；Institute
State acting surface and described supporting surface is all parallel with destination apparatus moving line；Described tourelle number is two or more, described
Multiple tourelle sizes increase successively；Described tourelle be installed on described load bearing seat or be arranged in support means or
Person is respectively arranged in load bearing seat and support means.
The speed change gear of 16. change destination apparatus movement velocitys according to claim 13, it is characterised in that described tourelle
For ball, cylinder, cylinder or bearing.
The speed change gear of 17. change destination apparatus movement velocitys according to claim 6, it is characterised in that also include at least one
Individual lead；Described lead is arranged on described load bearing seat side；Described load bearing seat can slide against institute along described lead
State on lead.
The speed change gear of 18. change destination apparatus movement velocitys according to claim 17, it is characterised in that described lead number
Mesh is two, and interval is arranged；Described load bearing seat includes a main body；Described seat main body two ends are respectively arranged with wing plate；Described two
Individual wing plate bears against on said two lead, and can slide along described lead.
The speed change gear of 19. change destination apparatus movement velocitys according to claim 18, it is characterised in that described wing plate has
Arcuate flanks；Described arcuate flanks contacts with described lead；The arc of described arcuate flanks is along the movement of described load bearing seat
Direction extends.
The speed change gear of 20. change destination apparatus movement velocitys according to claim 16, it is characterised in that described piston rod hangs down
Directly arrange in destination apparatus moving line.
21. bump test devices, it is characterised in that including: the change destination apparatus described in claim 1 to 20 any claim
The speed change gear of movement velocity；And
Stressing device, described stressing device enters described receiving space after the shock bearing destination apparatus, or is installed on target
With destination apparatus moving process enters described receiving space on device, or it is arranged in described receiving space, described force
Device makes described stressing device in described receiving space after described stressing device being applied active force by described travel mechanism
Removal.
22. bump test devices according to claim 21, it is characterised in that described striking face is inclined-plane.
23. bump test devices according to claim 21, it is characterised in that described stressing device has relative with travel mechanism
Striking face, and the weight-bearing surface relative with support means；The length of the horizontal direction of shown striking face or the level side of weight-bearing surface
To length, more than the ultimate range between described striking face and described weight-bearing surface.
24. bump test devices according to claim 23, it is characterised in that described striking face or hold the horizontal direction in the face of hitting
Length, is more than three times of ultimate range between striking face and weight-bearing surface.
25. bump test devices according to claim 23, it is characterised in that described stressing device has and moves direction phase
Parallel side, described side is trapezoidal or triangle；Described stressing device is that described side linearly extends and forms；Described
The bearing of trend of side is vertical with described side.
26. bump test devices according to claim 25, it is characterised in that the side of described stressing device is right-angled trapezium.
27. bump test devices according to claim 21, it is characterised in that be provided with tourelle on described stressing device,
Described tourelle is between described stressing device and load bearing seat, or between described stressing device and support means,
Or lay respectively between described stressing device and load bearing seat and between stressing device and support means.
28. bump test devices according to claim 27, it is characterised in that described tourelle is equivalently-sized or increases successively
Greatly or be sequentially reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410043801.6A CN103791056B (en) | 2014-01-29 | 2014-01-29 | Change speed change gear and the bump test device of destination apparatus movement velocity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410043801.6A CN103791056B (en) | 2014-01-29 | 2014-01-29 | Change speed change gear and the bump test device of destination apparatus movement velocity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103791056A CN103791056A (en) | 2014-05-14 |
| CN103791056B true CN103791056B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410043801.6A Active CN103791056B (en) | 2014-01-29 | 2014-01-29 | Change speed change gear and the bump test device of destination apparatus movement velocity |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106523588B (en) * | 2016-12-29 | 2020-01-10 | 深圳市精捷能电子有限公司 | High-speed motion stop buffer structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6523391B1 (en) * | 2001-06-08 | 2003-02-25 | Variform Inc. | Vertical height impact testing apparatus |
| CN201163233Y (en) * | 2008-03-03 | 2008-12-10 | 苏州试验仪器总厂 | Independent oil cylinder type gas-liquid supercharging contracting brake anti-shake impact testing bench |
| CN201788074U (en) * | 2010-08-04 | 2011-04-06 | 浙江吉利汽车研究院有限公司 | Stamping device for tests |
| CN203770572U (en) * | 2014-01-29 | 2014-08-13 | 上海云逸民用航空科技有限公司 | Speed change device capable of changing movement speed of target device and bump test device |
-
2014
- 2014-01-29 CN CN201410043801.6A patent/CN103791056B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6523391B1 (en) * | 2001-06-08 | 2003-02-25 | Variform Inc. | Vertical height impact testing apparatus |
| CN201163233Y (en) * | 2008-03-03 | 2008-12-10 | 苏州试验仪器总厂 | Independent oil cylinder type gas-liquid supercharging contracting brake anti-shake impact testing bench |
| CN201788074U (en) * | 2010-08-04 | 2011-04-06 | 浙江吉利汽车研究院有限公司 | Stamping device for tests |
| CN203770572U (en) * | 2014-01-29 | 2014-08-13 | 上海云逸民用航空科技有限公司 | Speed change device capable of changing movement speed of target device and bump test device |
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|---|---|
| CN103791056A (en) | 2014-05-14 |
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