CN108692958A - Torsion sliding loading device and test tool - Google Patents
Torsion sliding loading device and test tool Download PDFInfo
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- CN108692958A CN108692958A CN201810476799.XA CN201810476799A CN108692958A CN 108692958 A CN108692958 A CN 108692958A CN 201810476799 A CN201810476799 A CN 201810476799A CN 108692958 A CN108692958 A CN 108692958A
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- 230000001360 synchronised effect Effects 0.000 description 6
- 238000009527 percussion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention discloses torsion sliding loading device and test tools, are related to experimental rig technical field.A kind of torsion sliding loading device, durability test for steering shaft, torsion sliding loading device includes supporting body, first actuator, second actuator, sliding assembly, reverse component, connector and output precision, first actuator and the second actuator are all connected to supporting body, first actuator can drive sliding assembly to be moved along first direction, torsion component is connected to the second actuator, connector is slidably connected to supporting body, connector can be moved along first direction, output precision and sliding assembly are all connected to connector, torsion component is connected to output precision to drive output precision to rotate, the other end of output precision is for connecting steering shaft.A kind of test tool, which employs above-mentioned torsions to slide loading device.Torsion sliding loading device and test tooling structure provided by the invention are simple, just can meet steering shaft durability test.
Description
Technical field
The present invention relates to experimental rig technical fields, in particular to torsion sliding loading device and test tool.
Background technology
Turn to lower axle be most important parts in automobile steering system, its top is connect with steering column, lower part and
Steering gear is connected;In vehicle traveling process, driver is by steering wheel rotation, by the diverted tubing string of the steering moment of steering wheel
Afterwards, steering gear is passed to by turning to lower axle, the steering of wheel is controlled after steering gear stress, to realize the mesh of motor turning
's.Thus it is guaranteed that the precondition of automobile driving safe and sensitivity seeks to the reliability for ensureing to turn to lower axle, so,
Before turning to lower axle manufacture, it is necessary to carry out durability verification.
Turn to lower axle in vehicle traveling process, due to by driver steering force (while also have come from tire with
The reaction force of ground friction and impact) and come from the percussion action up and down of steering gear, be equivalent to turn to the lower axle moment by
One twisting resistance and about one impact (sliding) action.In order to achieve the purpose that, to turning to the verification of lower axle durability, to test people
Member is generally using building test-bed come stress and moving situation of the simulated implementation steering lower axle in vehicle traveling process.
Invention content
The purpose of the present invention is to provide a kind of torsions to slide loading device, simple in structure, easy to use, can be turned round
Turn synchronous with two action linkages of sliding to load, can also separate independent control, mutually not interference, enhance the flexibility of this device,
The torsion sliding durability test of steering shaft can be satisfied with.
It is simple in structure another object of the present invention is to provide a kind of test tool, it is easy to use, can carry out torsion and
The synchronous load of two action linkages of sliding, can also separate independent control, mutually not interference, enhance the flexibility of this device, can be completely
It is enough to the torsion sliding durability test of steering shaft.
The present invention provides a kind of technical solution:
A kind of torsion sliding loading device, is used for the durability test of steering shaft, and the torsion sliding loading device includes
Supporting body, the first actuator, the second actuator, sliding assembly, torsion component, connector and output precision, first driving
Part and second actuator are all connected to the supporting body, and first actuator is connected to the sliding assembly to drive
It states sliding assembly to move along first direction, the torsion component is connected to second actuator, and the connector is slidably connected
In the supporting body, and the connector can be moved along the first direction, and the output precision is connected to the connector,
The sliding assembly is connected to the connector, and it is described defeated to drive that the torsion component is connected to one end of the output precision
Go out component rotation, the other end of the output precision is for connecting steering shaft.
Further, the torsion sliding loading device further includes pull pressure sensor, the pull pressure sensor setting
Between the sliding assembly and the connector.
Further, the torsion sliding loading device further includes torque sensor, and the torque sensor is connected to institute
It states between torsion component and the output precision.
Further, the sliding assembly includes lead screw and Sliding Structures, and the lead screw is connected to first actuator,
Threaded hole compatible with the lead screw is offered in the Sliding Structures, the lead screw passes through the threaded hole and the sliding
Structure connects, and the Sliding Structures are connected to the connector.
Further, the Sliding Structures include the first link block, the second link block and multiple force-guided stems, each described to lead
The both ends of power bar are connected to first link block and second link block, and the threaded hole is opened in described first and connects
It connects block and runs through first link block, second link block is connected to the connector.
Further, multiple force-guided stems are mutually parallel, and the line of multiple force-guided stem ends is in just polygon
Shape.
Further, the torsion component includes connection accessory and ball bearing, and the connection accessory is connected to described the
Between two actuators and the ball bearing, the ball bearing is connected to the output precision.
Further, the first sliding rail and the second sliding rail extended along the first direction is provided on the supporting body,
The connector is slidably connected to first sliding rail and second sliding rail, and the sliding assembly is connected to described first and slides
Rail.
Further, first actuator is located on the extension line of first sliding rail, second actuator and institute
Torsion component is stated to be respectively positioned on the extension line of second sliding rail.
A kind of test tool, including torsion sliding loading device.The torsion sliding loading device is for the resistance to of steering shaft
Long property experiment, the torsion sliding loading device includes supporting body, the first actuator, the second actuator, sliding assembly, torsion group
Part, connector and output precision, first actuator and second actuator are all connected to the supporting body, and described first
Actuator is connected to the sliding assembly to drive the sliding assembly to be moved along first direction, and the torsion component is connected to institute
The second actuator is stated, the connector is slidably connected to the supporting body, and the connector can be moved along the first direction
Dynamic, the output precision is connected to the connector, and the sliding assembly is connected to the connector, the torsion component connection
In one end of the output precision to drive the output precision to rotate, the other end of the output precision is turned to for connecting
Axis.
Compared with prior art, the advantageous effect of torsion sliding loading device and test tool provided by the invention is:
Torsion sliding loading device and test tool provided by the invention by being arranged the first actuator band on the carrier
Dynamic sliding assembly is moved in a straight line along first direction, so that sliding assembly energy band follower link is moved along first direction, it can
So that connector drives output precision to be moved along first direction, the power along first direction can be provided to steering shaft, just can be simulated
The axial percussion that steering shaft is subject to.By the way that the second actuator is arranged on the carrier, and the second actuator is driven
Component rotation is reversed, just output precision rotation can be driven by reversing component, can so that reverse component provides torsion to steering shaft
Turn power, just can simulate the twisting resistance that rotation axis is subject to, steering shaft torsion sliding durability test can be satisfied with.Wherein, it reverses
Sliding loading device and test tool can be reversed load synchronous with two action linkages are slid, and can also separate independent control,
Mutual not interference, enhances the flexibility of this device.Also, torsion sliding loading device and test tooling structure simple operations side
Just.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the torsion sliding loading device that the first embodiment of the present invention provides;
Fig. 2 is the enlarged structure schematic diagram at II in Fig. 1;
Fig. 3 is the enlarged structure schematic diagram at III in Fig. 1;
Fig. 4 is the enlarged structure schematic diagram at IV in Fig. 1.
Icon:10- torsion sliding loading devices;100- supporting bodies;The first sliding rails of 110-;The second sliding rails of 120-;210-
One actuator;211- pull pressure sensor;The second actuators of 220-;221- torque sensors;300- sliding assemblies;310-
Bar;320- Sliding Structures;The first link blocks of 321-;3211- threaded holes;The second link blocks of 322-;323- force-guided stems;400- is reversed
Component;410- connection accessories;420- ball guiding axis;500- connectors;600- output precisions.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is to be understood that, the instructions such as term "upper", "lower", "inner", "outside", "left", "right"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship or the orientation or positional relationship that usually understands of those skilled in the art, be merely for convenience of retouching
It states the present invention and simplifies description, do not indicate or imply the indicated equipment or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " even
Connect " etc. terms shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects;It can be mechanical connection, can also be electrical connection;Can be directly connected to, can also be indirectly connected with by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail.
First embodiment
Referring to Fig. 1, providing a kind of torsion sliding loading device 10 in the present embodiment, it to be used for steering shaft (not shown)
Durability test, torsion sliding loading device 10 it is simple in structure, it is easy to use, can be reversed and be slid two action linkage
Synchronous load, can also separate independent control, mutually not interference, enhance the flexibility of this device, can be satisfied with the torsion of steering shaft
Slide durability test.
Wherein, torsion sliding loading device 10 includes supporting body 100, the first actuator 210, the second actuator 220, sliding
Component 300, torsion component 400, connector 500 and output precision 600.Wherein, the first actuator 210, the second actuator 220,
Sliding assembly 300, torsion component 400, connector 500 and output precision 600 may be contained on supporting body 100, to pass through carrying
Body 100 is to the first actuator 210, the second actuator 220, sliding assembly 300, torsion component 400, connector 500 and output group
Part 600, which provides, to be supported and provides stable experimental enviroment.
First actuator 210 and the second actuator 220 are connected to supporting body 100, and the first actuator 210 connects
In sliding assembly 300, the first actuator 210 can drive sliding assembly 300 to be moved along first direction relative to supporting body 100.In addition,
Sliding assembly 300 is connected to connector 500, and connector 500 is slidably connected to supporting body 100, and connector 500 opposite can be held
Carrier 100 is moved along first direction, that is, wherein the first actuator 210 drive sliding assembly 300 moved along first direction when,
Then band follower link 500 moves sliding assembly 300 along first direction.Second actuator 220, which is connected to, reverses component 400, and second
Actuator 220 can drive torsion component 400 to rotate.Also, torsion component 400 is connected to output precision 600, so that torsion group
Part 400 can drive output precision 600 to rotate, that is, the second actuator 220 reverses component when driving torsion component 400 to rotate
400 can drive output precision 600 to rotate.In addition, output precision 600 is connected to connector 500, that is, when connector 500 is along
When one direction is moved, connector 500 can drive output precision 600 to be moved along first direction simultaneously.In the present embodiment, output group
Part 600 will be transferred to steering shaft, it is resistance to just to carry out steering shaft for being connected to steering shaft along the power of first direction and torque
Long property experiment.
It should be noted that steering shaft is in vehicle traveling process, due to by driver steering force and carry out rotation
To the percussion action up and down of device, the steering shaft moment is equivalent to by a twisting resistance and about one percussion action, that is, steering shaft
In running car by twisting resistance and axial impact force.In order to ensure that automobile can bear enough twisting resistances in motion
With axial impact force, the reliable of lower axle is turned in order to which the precondition of automobile driving safe and sensitivity seeks to guarantee
Property, steering shaft is required to carry out durability test.
Wherein, the first actuator 210 and the second actuator 220 are mutual indepedent, that is, the first actuator 210 and second drives
Operation between part 220 does not influence each other.That is the first actuator 210 is when driving sliding assembly 300 to be moved along first direction, and the
Two actuators 220 can drive torsion component 400 rotate, can also the second actuator 220 be stopped.Alternatively, the second driving
For part 220 when driving torsion component 400 to rotate, the first actuator 210 can drive sliding assembly 300 to be moved along first direction,
Can also the first actuator 210 be stopped.
When needing to carry out durability test, start the first actuator 210 and the second actuator 220, passes through the first driving
Part 210 drives sliding assembly 300 to be moved along first direction, drives torsion component 400 to rotate by the second actuator 220.Wherein,
The band follower link 500 while being moved along first direction of sliding assembly 300 is moved along first direction, and makes connector 500
Output precision 600 is driven to be moved along first direction.It drives output precision 600 to rotate in addition, reversing component 400 simultaneously, just can make
The axial direction that the pulling force formed along the movement of first direction is applied to steering shaft by output precision 600 is obtained, and rotation is formed into torsion
Power is applied to steering shaft.It can realize the purpose that durability test is carried out to steering shaft.
In the present embodiment, the first actuator 210 and the second actuator 220 are all made of servo motor, to pass through servo electricity
Machine provides power to sliding assembly 300 and torsion component 400, in order to which sliding assembly 300 and torsion component 400 are applied to steering shaft
Add active force.
Further, Fig. 1 and Fig. 2 are please referred to, torsion sliding loading device 10 further includes pull pressure sensor 211,
Pull pressure sensor 211 is set between sliding assembly 300 and connector 500.That is, can be detected by pull pressure sensor 211
Sliding assembly 300 is applied to pulling force of the connector 500 on first direction, just can be accurately by 300 company of being applied to of sliding assembly
The pulling force of fitting 500 is adjusted to designated value, in order to the progress of breakdown test.Wherein, sliding assembly 300 is applied to connector
500 are equivalent to the power that connector 500 is applied to steering shaft axis direction along the power of first direction, can pass through pull pressure sensor
211 know the power being subject in steering shaft axial direction.
In addition, torsion sliding loading device 10 further includes torque sensor 221, torque sensor 221 is connected to torsion group
Between part 400 and the second actuator 220.That is, can detect the second actuator 220 by torque sensor 221 is applied to torsion group
Either torsion component 400 just can be accurately applied to torque or the torsion of output precision 600 to the torque of part 400 by twisting resistance
Power is adjusted to designated value, in order to the progress of durability test.Wherein, the second actuator 220 is applied to the torsion of torsion component 400
Either twisting resistance is equivalent to torsion component 400 and is applied to the torque or twisting resistance of output precision 600 square, and reverses component 400
Being applied to the torque of output precision 600, either twisting resistance is equivalent to torque or torsion that output precision 600 is applied to steering shaft
Power can know torque or twisting resistance that steering shaft is subject to by torque sensor 221.
In the present embodiment, sliding assembly 300 includes lead screw 310 and Sliding Structures 320, and lead screw 310 is connected to the first drive
Moving part 210, and the first actuator 210 can drive lead screw 310 to rotate, wherein and lead screw 310 is dynamic by shaft rotation of own axes, and
And lead screw 310 extends in a first direction in the present embodiment.Screw thread compatible with lead screw 310 is offered in Sliding Structures 320
Hole 3211, lead screw 310 are connected to Sliding Structures 320 by threaded hole 3211, and Sliding Structures 320 are connected to connector 500.When
When one actuator 210 drives lead screw 310 to rotate, lead screw 310 rotates in threaded hole 3211 just can be converted to cunning by circular-rotation
Structure 320 is moved along the linear movement of lead screw 310, Sliding Structures 320 can be made to be moved along first direction, Sliding Structures 320 exist
Energy band follower link 500 is moved along first direction while movement along first direction.
It should be appreciated that in the present embodiment, by the first actuator in such a way that lead screw 310 and threaded hole 3211 coordinate
210 circular-rotation is converted to the linear movement along first direction.In other embodiments, it can also use other modes will
Circular-rotation is converted to the linear movement along first direction, for example, using gear & rack structure (not shown).
Further, Sliding Structures 320 include the first link block 321, the second link block 322 and multiple force-guided stems 323, often
The both ends of a force-guided stem 323 are connected to the first link block 321 and the second link block 322, and threaded hole 3211 is opened in
First link block 321, and threaded hole 3211 runs through the first link block 321, and lead screw 310 is connected to first by threaded hole 3211
Link block 321, and lead screw 310 can pass through the first link block 321 to increase the cunning of the first link block 321 by threaded hole 3211
Migrate journey.In addition, the second link block 322 is connected to connector 500, so that the first link block 321 can will be along first direction
It is mobile that connector 500 is transferred to by force-guided stem 323 and the second link block 322.In the present embodiment, pull pressure sensor 211
It is set between the second link block 322 and connector 500.
Further, multiple force-guided stems 323 are mutually parallel, and the line of 323 end of multiple force-guided stems is in regular polygon.
In the present embodiment, the first link block 321 and the second link block 322 are in four-prism shape, and force-guided stem 323 is four,
The end of four force-guided stems 323 is connected to the four corners of the first link block 321 or four angles of the second link block 322
Portion is mutually parallel by multiple force-guided stems 323 so that first connecting portion can be by multiple mutually flat when being moved along first direction
Capable force-guided stem 323 by tension uniform is transferred to the second link block 322, with by the second link block 322 steadily to connection
Part 500 provides pulling force, ensures the stability of durability test.
It should be appreciated that in other embodiments, multiple force-guided stems 323 can not also be mutually parallel, for example, multiple force-guided stems
323 are collectively formed prismoid shaped, and the length of multiple force-guided stems 323 is mutually same.
Fig. 1 and Fig. 3 are please referred to, torsion component 400 includes connection accessory 410 and ball guiding axis 420, connects accessory
410 are connected between the second actuator 220 and ball guiding axis 420, and ball guiding axis 420 is connected to output precision 600.Its
In, drive connection accessory 410 to rotate by the second actuator 220, connection accessory 410 will then be reversed by ball guiding axis 420
Power or torque are transferred to output precision 600.By the setting of ball guiding axis 420, the connector 500 for being is along first direction
It, can be so that ball guiding axis 420 stretches into output precision 600, to ensure output precision when moving and output precision 600 being driven to move
600 can move along first direction, avoid generating reciprocal influence between torsion component 400 and sliding assembly 300.Also, it rolls
Pearl guiding axis 420 does not influence the rotation of ball guiding axis 420 when being moved relative to output precision 600 so that connector 500 drives
Output precision 600 is moved along first direction and is not influenced each other with the rotation of output precision 600, ensures output precision 600 to turning to
The load of axis axial force and the load of steering shaft twisting resistance is not influenced mutually, and then ensures the validity of durability test.
In addition, being provided with the first sliding rail 110 and the second sliding rail 120 extended in a first direction on supporting body 100, that is,
First sliding rail 110 and the second sliding rail 120 are mutually parallel, and the first sliding rail 110 and the second sliding rail 120 prolong along first direction
It stretches.Connector 500 is slidably connected to the first sliding rail 110 and the second sliding rail 120, so that connector 500 can be along the first sliding rail 110
It is slided with the second sliding rail 120.Connector 500 is connected to the first sliding rail 110 and the second sliding rail 120 simultaneously so that 500 energy of connector
It is steadily slided along first direction, connector 500 is avoided to generate deflection, ensured the moving stability of connector 500, avoid sliding
Component 300 influences each other along the sliding and the rotation of torsion component 400 of first direction.Also, sliding assembly 300 is connected to first
Sliding rail 110 so that sliding assembly 300 can be moved along the first sliding rail 110, ensure the sliding stability of sliding assembly 300.Wherein,
Sliding slot compatible with the first sliding rail 110 is offered on first link block 321 and the second link block 322 (figure is not marked) so that
The sliding that first link block 321 and the second link block 322 can be stablized along the first sliding rail 110.
Please refer to Fig. 1 and Fig. 4, wherein connector 500 is square plate, and one of connector 500 opens up
There are two sliding slots (figure is not marked) compatible with the first sliding rail 110 and the second sliding rail 120 respectively, so that connector 500 can lead to
It crosses two sliding slots and is slidably connected to the first sliding rail 110 and the second sliding rail 120.Lead in addition, at least offering one on connector 500
Hole (figure is not marked), so that output precision 600 is connected to ball guiding axis 420 across through-hole.Further, output precision 600
The internal perisporium of through-hole is connected to by a bearing so that output precision 600 can the rotation of opposite joints 500.
Further, the first actuator 210 is located on the extension line of the first sliding rail 110, so that the first actuator 210 exists
When lead screw 310 being driven to rotate, it is avoided that the case where misalignment angle causes rotation interim card occur occurs, and whole device can be reduced
Footprint, simplify whole device structure.Second actuator 220 and torsion component 400 are respectively positioned on prolonging for the second sliding rail 120
It stretches on line so that the second actuator 220, can be so that the rotation of torsion component 400 interfere with 300 edge of sliding assembly in rotation
Movement on first direction.
The torsion provided in the present embodiment slides loading device 10 by the way that the first actuator 210 is arranged on supporting body 100
Sliding assembly 300 is driven to be moved in a straight line along first direction, so that 300 energy band follower link 500 of sliding assembly is along first party
It to movement, can make connector 500 that output precision 600 be driven to be moved along first direction, can be provided to steering shaft along first
The power in direction just can simulate the axial percussion that steering shaft is subject to.By the way that the second actuator is arranged on supporting body 100
220, and make the second actuator 220 that torsion component 400 be driven to rotate, just it can drive output precision 600 by reversing component 400
Rotation can so that reverse component 400 provides twisting resistance to steering shaft, just can simulate the twisting resistance that rotation axis is subject to, Ji Nengman
It is enough to steering shaft torsion sliding durability test.Wherein, torsion sliding loading device 10 can be reversed and be slid two actions
The synchronous load of linkage, can also separate independent control, mutually not interference, enhance the flexibility of this device.Also, torsion sliding load
Device 10 is simple in structure easy to operate.
Second embodiment
A kind of test tool (not shown) is provided in the present embodiment, is used for the detection of auto parts and components.And it tests
Tool structure is simple, easy to use, can be reversed load synchronous with two action linkages are slid, can also separate independent control,
Mutual not interference, enhances the flexibility of this device, can be satisfied with the torsion sliding durability test of steering shaft.
Wherein, the test tool provided in the present embodiment uses the torsion sliding loading device provided in first embodiment
10。
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of torsion slides loading device, it to be used for the durability test of steering shaft, which is characterized in that the torsion sliding load
Device includes supporting body, the first actuator, the second actuator, sliding assembly, reverses component, connector and output precision, described
First actuator and second actuator are all connected to the supporting body, and first actuator is connected to the sliding assembly
To drive the sliding assembly to be moved along first direction, the torsion component is connected to second actuator, the connector
It is slidably connected to the supporting body, and the connector can be moved along the first direction, the output precision is connected to institute
State connector, the sliding assembly is connected to the connector, the torsion component be connected to one end of the output precision with
The output precision is driven to rotate, the other end of the output precision is for connecting steering shaft.
2. torsion according to claim 1 slides loading device, which is characterized in that the torsion sliding loading device also wraps
Pull pressure sensor is included, the pull pressure sensor is set between the sliding assembly and the connector.
3. torsion according to claim 1 slides loading device, which is characterized in that the torsion sliding loading device also wraps
Torque sensor is included, the torque sensor is connected between the torsion component and the output precision.
4. the torsion according to any one of claim 1-3 slides loading device, which is characterized in that the sliding assembly
Including lead screw and Sliding Structures, the lead screw is connected to first actuator, is offered in the Sliding Structures and the silk
The compatible threaded hole of bar, the lead screw are connect by the threaded hole with the Sliding Structures, and the Sliding Structures are connected to
The connector.
5. torsion according to claim 4 slides loading device, which is characterized in that the Sliding Structures include the first connection
Block, the second link block and multiple force-guided stems, the both ends of each force-guided stem are connected to first link block and described
Second link block, the threaded hole are opened in first link block and run through first link block, second link block
It is connected to the connector.
6. torsion according to claim 5 slides loading device, which is characterized in that multiple force-guided stems are mutually parallel,
And the line of multiple force-guided stem ends is in regular polygon.
7. the torsion according to any one of claim 1-3 slides loading device, which is characterized in that the torsion component
It is connected between second actuator and the ball bearing including connection accessory and ball bearing, the connection accessory, institute
It states ball bearing and is connected to the output precision.
8. torsion according to claim 1 slides loading device, which is characterized in that be provided on the supporting body along institute
The first sliding rail and the second sliding rail of first direction extension are stated, the connector is slidably connected to first sliding rail and described second
Sliding rail, the sliding assembly are connected to first sliding rail.
9. torsion according to claim 8 slides loading device, which is characterized in that first actuator is located at described the
On the extension line of one sliding rail, second actuator and the torsion component are respectively positioned on the extension line of second sliding rail.
10. a kind of test tool, which is characterized in that include the torsion sliding load as described in any one of claim 1-9
Device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476799.XA CN108692958A (en) | 2018-05-17 | 2018-05-17 | Torsion sliding loading device and test tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476799.XA CN108692958A (en) | 2018-05-17 | 2018-05-17 | Torsion sliding loading device and test tool |
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| CN108692958A true CN108692958A (en) | 2018-10-23 |
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| CN201810476799.XA Pending CN108692958A (en) | 2018-05-17 | 2018-05-17 | Torsion sliding loading device and test tool |
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