CN110196129A - The especially testing stand of the slewing of strut bearing unit - Google Patents
The especially testing stand of the slewing of strut bearing unit Download PDFInfo
- Publication number
- CN110196129A CN110196129A CN201910128388.6A CN201910128388A CN110196129A CN 110196129 A CN110196129 A CN 110196129A CN 201910128388 A CN201910128388 A CN 201910128388A CN 110196129 A CN110196129 A CN 110196129A
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- China
- Prior art keywords
- plate
- axis
- support
- testing stand
- fixed
- Prior art date
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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
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- 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
- G01M17/04—Suspension or damping
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The testing stand (1) that the present invention relates to a kind of to be especially the friction torque of strut bearing unit for measuring slewing (2), comprising: fixed the first plate (3)；It is capable of the second plate (4) of translational motion；Laboratory (9) is limited between the plate (3,4)；Driving device (10) is fixed on first plate (3)；Measuring unit (12) is fixed on second plate (4), and is provided with the sensor (41) for measuring friction torque；First support (11), it is rotatably coupled to the driving device (10), the first support (11) is intended for being fixed on the rotatable first element (15) for the slewing (2) being arranged in the laboratory (9), with second support (13), it is connected in the measuring unit (12), and the second support (13) is intended for being fixed on the second element (16) of the slewing (2).
Description
Technical field
The present invention relates to the fields of testing stand, more specifically, it is intended that for measuring slewing (especially motor vehicles
Strut bearing unit) friction torque testing stand field.
Background technique
It is well known that suspension of motor vehicle system includes the pillar for supporting wheel shaft and wheel of vehicle.Strut bearing unit cloth
Set the top in pillar, the opposite side on wheel and ground, positioned at bearing spring and the bodyshell for being fixed on vehicle
(bodyshell) between upper member.Spring arranges that the end of piston lever of reducer can be fixed on around piston lever of reducer
The bodyshell of vehicle.
Strut bearing unit includes rolling bearing, lower cup, upper cup and at least one sealing element being arranged between (two) cup.
The different constituent element of strut bearing unit can be made of plastic material, cup can be reinforced by rigid insert (especially by
Metal is made) to increase its mechanical strength.Upper cup is between the upper circle and upper member of rolling bearing, and lower cup is between the axis of rolling
Between the lower circle held and bearing spring.Therefore, strut bearing unit is designed to the bodyshell in bearing spring and vehicle
Between transmit axial force, while allowing the angular motion between the circle of rolling bearing.
The central axis of the central axis of strut bearing unit and the pillar with spring can be angled with respect to each other, axis
The relative inclination of line can be between 5 ° to 10 °.Therefore, strut bearing unit is by radial force as a result.
Other than the performance in terms of mechanical integrity and compactness, the pass of the quality (/ quality) of strut bearing unit
Bond parameter is its () friction torque under load (/ load).It is necessary that this mechanical property for knowing strut bearing unit,
The suspension property for the motor vehicles being installed on and its driving (/ driving) are relaxed this is because then will thus generate bearing unit
Adaptive.The testing stand for setting up friction torque under the load for measuring strut bearing unit is developed, to optimize its knot
Structure, material and design.These testing stands are intended for providing Test condition similar with application situation.
It is well known that the testing stand for being used to measure friction torque under the load of strut bearing unit includes tubular sleeve, pipe
Shape sleeve is provided with cylindrical hole, and two strut bearing units are installed in hole from top to tail portion, every in bearing unit
One is mounted on one of the axial end in hole place.Each of fixed cup of bearing unit is locked in place in hole.Axis
The rotatable cup of bearing unit rotatably links (linked) by axis, and the axial bearing unit applies load.The hole surrounds
Such central axis extends below: the central axis has been inclined relative to horizontal in each of bearing unit and simulation
The angular characteristics (/ feature) of relative inclination between the axis of pillar.Oscillating rotational motion around central axis passes through motor
It is applied to axis, the movement is passed to the two strut bearing units tested.
Therefore, this testing stand makes it possible in oscillating movement similar with application situation, inclination, axial load and radial direction
Strut bearing unit is tested under the situation of load (gradient as defined by and the axial load applied and generate).Testing stand
At least one friction torque for being additionally provided with the friction torque generated for determining the oscillation by two strut bearing units passes
Sensor.Connection can be identical or different with two bearing units for measuring friction torque, and one of bearing unit is trying
In testing and another bearing unit have known characteristic.
The friction torque for the strut bearing unit tested in this testing stand only passes through (/ conduct knot caused by measurement
Fruit) (resulting) friction torque infers, rather than directly determine.Although this style of testing stand is verified
Its reliability and repeatability, but a kind of new testing stand is needed, it is used to directly measure (rather than deduction) and is applying
The friction torque of single strut bearing unit under situation.
Summary of the invention
The object of the present invention is to provide one kind for directly measuring single slewing (more particularly, strut bearing list
Member) friction torque testing stand, make it possible to reproduce application situation, can be adapted to the slewing of any pattern, and
And it provides reliable and repeatable measurement.
The present invention relates to a kind of for measuring the testing stand of the friction torque of slewing, comprising: the first plate and the second plate；
Laboratory is defined between the plates；Driving device is fixed on first plate；Measuring unit is fixed on described
Second plate, and it is provided with the sensor for measuring friction torque；First support is rotatably coupled to the driving dress
It sets；And second support, it is connected in the measuring unit, the first support, which is intended for being fixed on, is arranged in the laboratory
In slewing rotatable first element, the second support is intended for second yuan that is fixed on the slewing
Part.
According to the present invention, first plate is fixed, second plate can translational motion, can be towards or away from institute
The movement of the first plate is stated, enables to apply axial load to the slewing.The first support includes: support plate,
It is rotatably coupled to the driving device；With the support column with central axis, first end be connected in the support plate, its
Second end is intended for being fixed on the rotatable first element of the slewing, and the first end of the support column is in the branch
Position on fagging can be adapted so that central axis of the central axis for limiting the support column relative to the first element
The relative inclination of line.The second support includes axis, and the first end of the axis is intended for being connected in the slewing
Second element, the second end of the axis are connected in described for measuring the sensor of friction torque.
By means of the present invention, axial load can be applied in slewing (especially drop-hanger bearing unit), the rotation
Turn in the laboratory that equipment is mounted between the driving device of side and the measuring unit of the other side.The axial load passes through can
The plate of translational motion applies.It, can be by this cloth since support column can advantageously be tilted relative to the bearing unit
Set generation radial load.In addition, rotatable () element (the especially movable cup of strut bearing unit) is connected in driving dress
It sets, therefore it can apply any relative motion to moveable element during test, especially around the center of bearing unit
The pendulum motion (/ oscillating movement) of axis.Testing stand according to the present invention allow to for any pattern slewing (especially
It is strut bearing unit) reproduce a variety of application situations.
The testing stand can test single slewing and ensure directly to measure the equipment friction torque rather than
Friction torque is inferred by other parameters.
According to another feature of the present invention, these are characterized in advantageous but non-imposed, are considered by independent (isolation)
Or combination considers:
The driving device includes: motor, rotates driving plate；Bar is provided with the pivot for being connected in the driving plate
First end at axis connection portion and the second end being provided at the pivot connection for the first end for being connected in crank, the crank
Second end with the support plate for being rotatably coupled to the first support.
The first support further includes guiding piece, and the first end of the support column is via the connection with pivot connection
Element is connected in the guiding piece.
The guiding piece includes at least one cross track, and the coupling element includes that can match to merge with the track
It is capable of fixing in the structure of the different location of the track.
The support column is provided with spring at its second end, and the spring is intended for bearing against (bear
Against) the supporting surface (bearing surface) of the rotatable first element of the slewing.
The support column at its second end include the first adaptation element, first adaptation element in shape with institute
The supporting surface (bearing surface) for stating the first element of slewing is consistent.
First adaptation element is fixed on the second end of the support column by clamp device.
The second support includes being fixed on the second adaptation element of the second element of the slewing, and described second
Adaptation element is connected in the first end of the axis via pivot connection.
Second adaptation element includes the first part for the second element for being fixed on the slewing and passes through pivot
Connection (portion) is connected in the second part of the first end of axis, the first part of second adaptation element and second part and passes through tightly
It is fixedly mounted with to set and be fixed to one another.
The measuring unit includes tubular sleeve, and the tubular sleeve has centre bore and is anchored on second plate
Outer surface, except the laboratory, the axis passes through the plate and extends in the hole of described sleeve pipe.
At least one rolling bearing is transported between the hole of described sleeve pipe and the axis to support the axis to rotate
It is dynamic.
The measuring unit includes measurement plate, and the measurement plate is arranged in described sleeve pipe, and the measurement plate has first
Surface, the first surface are connected in the second end of the axis via cross coupler, so that the axis is only to the measurement plate
Transmit torque, the measurement plate and the axis have a shape corresponding with the cross coupler, the measurement plate have with
The second surface of the torque sensor cooperation.
The second surface of the measurement plate includes the protrusion for being connected in the torque sensor.
Bearing unit is by between the second end of the axis and the first surface of the measurement plate, the bearing unit
Include: first lap, is fixed on the first surface of the measurement plate；Second circle, is fixed on the second end of the axis；At least
One column rolling element, between the circle, the rolling element is listed in radially around (surrounding) described ten
Word shaft coupling.
The rolling element is ball.
Described sleeve pipe includes free end, and the free end is located at the opposite side of the axis and closes (closed) by lid.
The torque sensor is additionally provided with load-measuring device.
The measuring unit includes in the device for covering and temporarily coupling between described sleeve pipe, the lid and institute
State torque sensor contact.
The device for temporarily coupling includes at least one extended in the corresponding aperture in the lid and described sleeve pipe
A screw.
The measuring unit includes the device for temporarily coupling between the measurement plate and described sleeve pipe, then institute
It states measurement plate and is anchored on described sleeve pipe.
The measurement plate includes at least one diameter that can cooperate with the device for temporarily coupling and described sleeve pipe
To protrusion part.
Described sleeve pipe includes at least one window, at least one described radially protruding part of the measurement plate is received
In at least one described window.
The device for temporarily coupling includes extending in the corresponding aperture in the measurement plate and described sleeve pipe extremely
A few screw.
It includes certain thickness that first plate and each comfortable its of second plate, which (are located at) on the inner surface in laboratory,
Heat-insulating material.
The testing stand includes braced frame, and the lateral sidewall of the braced frame (is located at) the interior table in laboratory at it
Certain thickness heat-insulating material is covered on face.
The testing stand includes the device for carrying out temperature regulation inside the laboratory.
Detailed description of the invention
Based on the following explanation that reading only provides by way of non-limiting example, the present invention be will be better understood when.
Explanation is provided referring to attached drawing, in the accompanying drawings:
- Fig. 1 is the front view of the testing stand of strut bearing unit according to the present invention；
- Fig. 2 is the three-dimensional side view of the testing stand of Fig. 1；
- Fig. 3 is the detailed view of the axial cross section of the strut bearing unit in the testing stand of Fig. 1；
- Fig. 4 is the three-dimensional detailed view of the driving device of the testing stand of Fig. 1；
- Fig. 5 is the detailed view of the I-I axial cross section of the measuring unit of the testing stand of Fig. 1；
- Fig. 6 is the detailed view of the II-II axial cross section of the first construction of the measuring unit of Fig. 5；And
- Fig. 7 is the detailed view of the II-II axial cross section of the second construction of the measuring unit of Fig. 5.
Specific embodiment
Figures 1 and 2 show that testing stand (/ testboard) (test rig), with general reference numeral 1, for measuring rotation
The friction torque of equipment 2 (being in the present case strut bearing unit).For the reason for understanding the description and the appended drawings, testing stand
The 1 not shown fixed frame for supporting it out and it is fixed on to ground (ground).
Testing stand 1 includes the first lower plate 3 (the first plate 3 of/lower section), which extends in the horizontal plane, and it is fixed and
It is anchored on the frame of (fixed and secured to) testing stand 1.
Testing stand 1 includes the second plate 4.Second plate 4 extends on the horizontal plane parallel with the first plate 3, and being capable of phase
For 3 translational motion of the first plate.
Testing stand 1 includes four tubular guides 5, these tubular guides 5 are fixed on the first plate 3 and are fixed on third
Upper plate (the third plate of/top) 7, third upper plate 7 is equally fixed and is anchored on frame.Tubular guide 5 each along with plate 3,4
And 7 vertical axis extend between fixed the first lower plate 3 and fixed third upper plate 7.Tubular guide 5 passes through movable
The second plate 4, and the guiding piece (/ guidance) of the translational motion of plate 4 described in each self-forming.
Testing stand 1 further includes motion work (movement transmission mechanism) 6, in this situation
Under be known screw pattern (/ lead screw pattern) 8, ensure the translational motion of the second plate 4.Advantageously, transmission mechanism 6 fastens
(fastened) in third plate 7.Second plate 4 being capable of the translational motion between the first plate 3 and third plate 7.
Testing stand 1 includes the laboratory that (out) is limited between the first fixed plate 3 and the second plate 4 for capableing of translational motion
(/ test cabinet) (test chamber) 9.The strut bearing unit 2 for being intended for the test (/ test) in testing stand is accommodated in
In the laboratory 9.
Second plate 4 can translational motion, so that axial load (/ load) is applied to the suspension tested in testing stand 1
Bearing unit 2, this will be explained in greater detail below.Second plate 4 is kept fixed during test, only in configuration and Adjustment Tests
Translational motion is set to during the stage of situation (/ test condition) (test conditions).
Advantageously, respectively including one on the first plate 3 and each comfortable inner surface that it (is located at) in laboratory 9 of the second plate 4
Determine heat-insulating material 3-1,4-1 (a thickness of thermally insulating material) of thickness.
According to a kind of modification (not shown), testing stand 1 includes such braced frame: the lateral sidewall of braced frame is at it
Certain thickness heat-insulating material is equally covered on inner surface in (being located at) laboratory 9.Such laboratory 9 is insulation (/ heat
Insulation).Advantageously, testing stand can also include for inside laboratory 9 carry out temperature regulation (regulation) with
Just regulate and control the temperature of test so that reproducing the device (not shown) of (reproduce) application situation.It may be provided for supervising
Survey the device (means) of the relative humidity in laboratory 9.
Testing stand 1 includes: driving device 10, is fixed on the first fixed lower plate 3；With the first lower bracket (holder)
11, rotatably (/ rotationally) (rotationally) is connected in driving device 10.Testing stand 1 further include: measuring unit
12, it is fixed on the second upper plate 4 for capableing of translational motion；With the second upper bracket 13, it is connected in measuring unit 12.It is intended for
The strut bearing unit 2 tested in testing stand 1 is connected in first support 11 in side, is connected in second support in the other side
13。
Fig. 3 shows the strut bearing unit 2 being mounted in the laboratory of testing stand 1.Here, it mentions in the present embodiment
Strut bearing unit 2 out is MacPherson type (" McPherson suspension bearing unit " or " MSBU ").
Strut bearing unit 2 includes: cup under single inclination contact () rolling bearing 14, rotatable (rotatable)
(/ lower bearing circle) (lower cup) 15 and upper cup 16.Strut bearing unit 2 and its constituent element have about central axis X 2
Axisymmetric global shape.Cup 15 and cup 16 limit inner shell (/ inside receiving portion) (internal between each other
Housing), rolling bearing 14 is accommodated in the inner shell.Advantageously, strut bearing unit 2 may include it is outer and/or
Inner sealing device, for ensuring compactness of the rolling bearing relative to external contamination.
In the present embodiment, rolling bearing 14 includes: inner ring；Outer ring；Rolling element with a column inclination contact is (at this
In the case of be ball), be arranged between the circle (unmarked go out).Rolling bearing 14 is preferably the rolling bearing of inclination contact,
To limit power and friction in (limit) strut bearing unit 2 when in use.
Lower cup 15 can be rotated around axis X 2 and relative to upper cup 16.Lower cup 15 is ring-shaped, and including mesotube
Shape part and part is outwardly extending diametrically from the tubular portion.Lower cup 15 axial side on first is formed under rolling bearing
Bracket (holder), and axial side forms the branch that can cooperate with the pillar spring (strut spring) of vehicle under second
Frame.
In the embodiment of shown (/ proposed), the first support 11 of testing stand 1 includes support column (support
Post) 17, support column 17 is along the axis X 2 relative to strut bearing unit 2 with the extension of the inclined axis X 17 of angle A 17.Branch
Dagger 17 includes: the first lower end (end) 17-1, is connected in driving device 10 (it will be described below)；With the second upper end 17-
2, it is provided with the first adaptive device 18, the shape of the first adaptive device 18 is consistent with the lower surface of lower cup 15.Support column 17
First adaptive device 18 makes it possible to reproduce the structurally and mechanically characteristic of the pillar spring of motor vehicles.First adaptive device 18 is logical
It crosses at least one fastening screw 19 and is anchored on support column 17.In this way, the first adaptive device 18 can be easily mounted at support column
It removes on 17 or from support column 17, especially when being replaced by with different (suitable for different by test strut bearing unit)
When the first adaptive device of shape (this thing happens).
Alternatively, support column can be replaced with pillar, which is provided with spring, the bullet in its second end
Spring is intended for bearing against first glass of the bearing surface of (bear against) strut bearing unit.
Upper cup 16 in a ring and forms the upper supporting piece of rolling bearing 14 around axis X 2.Upper cup 16 is typically secured to machine
In the suspension apparatus of motor-car, the upper cup 16 is fixed on the chassis (chassis) of vehicle.Strut bearing unit 2 is (with such as lower section
Formula) it is mounted in testing stand 1, so that upper cup 16 is not fixed, and the oscillating rotational motion (/ swing turn by lower cup 15 can be transmitted
Dynamic movement) (oscillating rotational movement) bring friction torque.
In the embodiment shown, the second support 13 of testing stand 1 includes axis 20, and axis 20 is provided with the first lower end 20-
1, the first lower end 20-1 are connected in the upper cup 16 of strut bearing unit 2, and are provided with the second upper end 20-2, second upper end
20-2 is connected in measuring unit 12, this will be described hereinafter.Second support 13 further includes being fixed on the second adaptation member of cup 16
Part 21, second adaptation element 21 are pivotally connected portion (/ pivot connection) (pivot connection) 22 and are connected in axis
20 first end 20-1.Therefore, coupling between axis 20 and strut bearing unit 2 can be suitable for being tested for any pattern
The inclination (/ gradient) of bearing unit and support column 17.
Advantageously, the second adaptation element 21 may include: lower part 21-1, it is fixed on cup 16；With top 21-2,
Be pivotally connected the first end 20-1 that portion 22 is connected in axis 20, the two 21-1 and 21-2 by fastening screw 21-3 that
This is fixed.Therefore, the lower part 21-1 of the second adaptive device 21 can be easily mounted on the 21-2 of top or move from top 21-2
It removes, and then is easily mounted on axis 20 or is removed from axis 20, especially have (suitable for different outstanding by test when being replaced by
Frame bearing arrangement) the second adaptive device of different shapes when (this thing happens).
Alternatively, strut bearing unit can have different structure designs, testing stand 1 according to the present invention
It is designed to receive the strut bearing unit of (/ receiving) and any pattern of test.Specifically, required be exactly, for branch
The second end 17-2 of dagger 17 provides the first adaptation element with lower cup and/or provides for the first end 20-1 of axis 20 with upper
Second adaptation element of cup, the cup can be connected in these elements of strut bearing unit to be tested.
First support 11 includes support column 17, and support column 17 has the first end 17-1 for being connected in driving device 10, this is such as
Shown in Fig. 4.
First support 11 includes guiding piece (guide) 23, and the first end 17-1 of support column 17 is via with pivot connection
25 coupling element 24 and be connected in guiding piece 23.Guiding piece 23 includes two cross tracks 23-1 and 23-2, coupling element 24
Including the protrusion that can cooperate with described track 23-1,23-2.The track of guiding piece 23 is positioned in coupling element 24
When on 23-1,23-2 (Once), just pass through clamp device (not shown) (such as screw), clamping device or any other interim
Coupling element 24 is fastened on the desired locations by clamp device.In this way, column 17 is connected in guiding piece 23, make it possible on the one hand
(for the one part) limits the inclination angle of column 17 relative to 2 another aspect of strut bearing unit relative to guiding piece 23
Degree.
First support 11 further includes that (can) rotatably be connected in the support plate 26 of driving device 10.Guiding piece 23 passes through any
Suitable device (such as fastening screw) is anchored on support plate 26, so that moving together with support plate 26.In this way, column 17 via
The coupling element 24 (which ensure that the column 17 tilt) that is mounted on guiding piece 23 and driving is connected in via support plate 26
Device 10.
Entire first support 11 is mounted in the fixation lower plate 3 of testing stand.Support plate 26 via pass through be arranged in the plate 3
In opening axis (not shown) driven device 10 drive.
Driving device 10 is shown in FIG. 1, driving device 10 include motor 27, motor 27 make (sets) driving plate 28 around
Rotation axis X28 rotation.Bar 29 is provided with first end and second end, and wherein the first end is connected in the pivot of the driving plate 28
At interconnecting piece 30, at the pivot connection 31 for the first end that the second end is connected in crank 32.The crank 32 has second end,
Wherein the second end (can) rotate the support plate that (ground) is connected in first support 11 via the axis (not shown) for passing through lower plate 3
26。
In the present embodiment of the present invention, driving device 10 is the pattern of known bar-crank, and rotary motion is turned
Change the oscillating movement (/ pendulum motion) (oscillating movement) around axis into.Crank 30 passes the oscillating movement
It is delivered to support plate 26 and passes through the continuously coupled guiding piece 23 being transmitted to coupling element 24, is transmitted to the first adaptation
The support column 17 of device 18, the lower cup 15 for being eventually transferred into the strut bearing unit 2 tested in testing stand 1.With this drive
The testing stand 1 of dynamic device 10 makes it possible to reproduce the movement that tested strut bearing unit 2 is undergone under application situation.
In the opposite side for the driving device 10 that the lower cup 15 with strut bearing unit 2 couples, testing stand 1 includes and the axis
The measuring unit 12 that the upper cup 16 of bearing unit 2 couples.
More specifically, upper cup 16 is connected in measuring unit 12 via second support 13, and second support 13 includes being connected in
The second adaptive device 21 of the first end 20-1 of axis 20.Measuring unit 12 is shown in fig. 5 and fig..
Measuring unit 12 includes tubular sleeve (tubular casing) 33, and tubular sleeve 33 has along central axis
X33 extend centre bore 33-1 and be anchored on the outer surface for capableing of the second plate 4 of translational motion.Advantageously, casing 33 wraps
Include diameter labiad 33-2, multiple fastening screws 34 pass through the opening formed through the lip 33-2, are formed in the to be fixed in
Corresponding opening in two plates 4.
Second plate 4 is additionally provided with the hole 4-2 passed through for axis 20, and the axis 20 is along the axis being overlapped with central axis X 33
X20 extends in the hole 33-1 of casing 33.Therefore, axis 20 makes it possible to the strut bearing list (in side) in laboratory 9
Member 2 is connected in the measuring unit 12 being mounted on (outside laboratory 9) on the second plate 4 (in opposite side).
Two rolling bearings 35,36 are by between the hole 33-1 and axis 20 of casing 33, to support the rotation of the axis 20
Transhipment is dynamic.In the present embodiment, rolling bearing 35,36 includes: respectively inner ring, is mounted on the outer of axis 30 in a clamping manner
On cylinder (shape) surface；Outer ring is mounted freely in interior cylinder (shape) surface of the hole 33-1 of casing 33；With a column ball,
It is arranged between the circle, and inner ring can show opposite rotary motion relative to fixed outer ring.Axis 20 includes ladder
Shape outer surface 20-3, the cylindrical surface that the inner ring of rolling bearing 35,36 is installed on, which is formed in, (has larger diameter than axis
Outer surface) at the small diameter of middle part.Axis 20 with stepped outer surface 20-3 make it is easier to installation rolling bearing 35,
36.Shoulder is formed at the periphery (periphery) of axis 20, to axially retain the inner ring of rolling bearing 35,36.Two holdings
Ring 37,38 is fixedly mounted on axis 20, so that the inner ring of rolling bearing 35,36 is motionless in the axial direction (immobilize).Especially
It is, second end 20-2 installation (/ the second end 20-2 of axis 20 around install) of the retaining ring 38 around (around) axis 20.
Advantageously, ring 37 is formed by heat-insulating material (/ heat insulator), to avoid laboratory 9 and measuring unit 12 it
Between pass through the heat bridge of axis 20.
Alternatively, rolling bearing can be other patterns, such as sliding bearing or the rolling with other patterns
The rolling bearing of dynamic element (such as cylindrical roller or taper roller).Alternatively, casing may include individually rolling
Bearing or more than two rolling bearing, so as to support shaft.
Lower cup 15 due to support column 17 relative to strut bearing unit 2 tilts, and is capable of the second plate 4 of translational motion
Axial load is applied to strut bearing unit 2, therefore causes radial load (especially on upper cup 16) in strut bearing unit 2
Lotus.The casing 33 for being anchored on the second plate 4 is transmitted to by rolling bearing 35,36 by the radial load that upper cup 16 is applied to axis 20.
The arrangement constitutes the device for filtering radial load, so that their (/ radial loads) do not influence rubbing in measuring unit 12
Wipe the measurement of torque.
Measuring unit 12 further includes the measurement plate 39 being arranged in casing 33.
Measurement plate 39 has lower surface, which passes through cross coupler (/ Oldham coupling) (Oldham
Coupling) the 40 second end 20-2 for being connected in axis 20, so that axis 20 only transmits torque to the measurement plate 39.Cross coupler
Be it is known in the art, the measurement plate 39 and axis 20 have shape corresponding with cross connector 40.More specifically,
The lower surface of measurement plate 39 includes the protrusion 39-1 extended in first axis plane, and the second end 20-2 of axis 20 is included in
The protrusion 20-4 extended in the second axial plane vertical with first axis plane, cross connector 40 on it wrap by surface
It includes and receives the slot of the protrusion 39-1 of measurement plate 39, include the slot for receiving the protrusion 20-4 of axis 20 in its lower surface.When
Axis 20 is passed to by the friction torque that the upper cup 16 of strut bearing unit 2 transmits when lower cup 15 shows swing rotary movement,
Then measurement plate 39 is transmitted to via cross coupler 40.
Measurement plate 39 the side opposite with the lower surface for being connected in cross coupler 40 have upper surface, the upper surface with
Torque sensor 41 cooperates.The upper surface of measurement plate 39 includes the protrusion that torque sensor 41 is connected in by multiple fastening screws
Part 39-3.
Ball bearing unit 42 is in the axial direction between measurement plate 39 and axis 20.
Bearing unit 42 includes upper circle, and circle is fixed on the lower surface of measurement plate 39 by fastening screw on this.Bearing unit
42 surround (/ surround) cross coupler 40 radially.Bearing unit 42 includes lower circle, which is fixed on the second end of axis 20
20-2, more specifically, the retaining ring 38 being fixed at the end (/ end) 20-2 for being mounted on axis 20.One column rolling element is (at this
In the case of be ball) in the axial direction between Shang Quan and lower circle so that forming bearing unit 42, the circle of bearing unit 42 is flat
In capable sagittal plane (rotation) and around axis X 33 rotate.Bearing unit 42 makes it possible between axis 20 and measurement plate 39
Transmit axial load.
Fig. 6 shows the first construction of installation and the operation of testing stand 1 (especially measuring unit 12).
Casing 33 includes free end, which is located at the opposite side of axis 20 and is closed by lid 43, and lid 43 and torque pass
The upper lip of sensor 41 and (with) casing 33 contacts.Casing 33 and lid 43 are fixed together by fastening screw 44, wherein fastening
Screw 44 is fastened in the opening of upper lip and lid 43 formation of casing 33.
Therefore, the second plate 4 can apply axial carry and lid 43 being fixed on casing 33 on strut bearing unit 2
Lotus.Axial load from the second plate 4 be continuously transmitted to casing 33, to lid 43, to torque sensor 41, to measurement plate 39, (via
Ball bearing unit 42) axis 20 is arrived, then via the upper cup 16 of second support 13 (transmitting) to strut bearing unit 2.In addition, rolling
Bearing 35,36 is mounted freely in casing, so that not having an impact to axial load.
Moreover, with the second mounting structure of the measuring unit shown in Fig. 7 12 that will be described hereinafter on the contrary, measurement plate 39 with
Casing 33 is disconnected from each other (/ disconnect), and fastening screw 42 has been removed.Therefore, measurement plate 39 is via cross coupler 40
Free Transform under the action of the friction torque transmitted by axis 20.
In this way, torque sensor 41 is connected in strut bearing unit 2.Driving device 10 is via first support 11 to suspension
The lower cup 15 of bearing unit 2 applies swing rotary movement.Friction torque is generated between lower cup 15 and upper cup 16.The friction torque
It is transmitted to second support 13 (being especially transmitted to axis 20) from upper cup 16, is then transmitted to measurement plate 39 via cross coupler.
Therefore, torque sensor 41 measures friction torque via measurement plate 39.
Advantageously, torque sensor 41 is also provided with load-measuring device.
Fig. 7 shows the second construction of installation and the operation of testing stand 1 (especially measuring unit 12).
Measurement plate 39 includes radially protruding part 39-2.Casing 33 includes window 33-3, the radially protruding portion of measurement plate 39
39-2 is divided to be accommodated in window 33-3.Part 39-2 is axially against on the diameter labiad 33-4 of casing 33.Casing 33 and measurement
Plate 39 is fixed together by fastening screw 45, and fastening screw 45 is fastened on the opening across part 39-2 and lip 33-4 formation
In.
Advantageously, measurement plate 39 may include that multiple protruding portion divides 39-2, casing 33 may include the window of identical quantity
Mouth 33-3, with diameter labiad 33-4 to cooperate with the part 39-2.
In first mounting structure of measuring unit 12 shown in Fig. 6, measurement plate 39 and casing 33 are disconnected from each other (/ disconnection
Connection).
In second mounting structure of measuring unit 12, measurement plate 39 is anchored on casing 33, thus is anchored on the second plate
4.Second plate 4 is kept fixed during test, and is only set to the phase in stage in configuration and Adjustment Tests situation (/ condition)
Between translational motion.Therefore, measurement plate 39 is prevented from moving in second mounting structure.It is passed via cross coupler 40 by axis 20
The friction torque for being delivered to measurement plate 39 can not be passed to torque sensor 41.
Moreover, with the first mounting structure of measuring unit 12 shown in fig. 6 on the contrary, lid 43 and casing 33 be disconnected from each other (/ it is disconnected
Open connection), fastening screw 44 has been removed.
Torque sensor 41 is not at friction torque for measuring the plate 39 not by the load of measurement plate 39
Construction.
On the one hand, the second plate 4 can apply axis on strut bearing unit 2 via the measurement plate 39 for being fixed on casing 33
To load.Axial load from the second plate 4 be continuously transmitted to casing 33, to measurement plate 39, via ball bearing unit 42 (transmitting)
To axis 20, the upper cup 16 of strut bearing unit 2 is then transmitted to via second support 13.
On the other hand, torque sensor 41 separates (decoupled) with strut bearing unit 2.Commerce known torque
Sensor is not designed to continuously run for a long time.It, can be enterprising in strut bearing unit 2 by means of second mounting structure
Row durability test (therefore it is continued for an extended period of time), without using another testing stand or removing measuring unit
12.Connection/separation of measuring unit 12 is only just enormously simplified by installation/removal fastening screw 44,45.
In this way, experimental rig 1 can the strut bearing unit for all patterns (swing (/ oscillation) movement applying, incline
Tiltedly, axially and radially under the situation of load or even temperature) both turned round for the friction in the first mounting structure shown in fig. 6
Square measurement is also used for the durability test in the second mounting structure shown in Fig. 7.
Especially it may be advantageous that a series of experiments is provided, including first measuring the friction torque of strut bearing unit 2, connecing down
To carry out durability test and measure at the end of durability test final friction torque.It is also contemplated that friction torque
Centre measurement (/ in centre measurement friction torque) (intermediate measurements).It is all these to pass through root
According to tool of the invention, there are two types of the testing stands that may be constructed to realize, changes into another construction from a kind of construction and is relatively easy to.
Measuring unit of the invention is described by the non-limiting example of the testing stand of strut bearing unit.It answers
Work as understanding, measuring unit according to the present invention can be with the load for measuring any slewing to work under the application situation
Any device (/ means) of friction torque is implemented under lotus (situation) or under no-load (situation).
Claims (11)
1. the testing stand (1) of friction torque of the one kind for measuring slewing (2), comprising:
- the first plate (3),
- the second plate (4),
Laboratory (9) is limited between the plate (3,4),
Driving device (10) is fixed on first plate (3),
Measuring unit (12) is fixed on second plate (4), and is provided with the sensor (41) for measuring friction torque,
First support (11) is rotatably coupled to the driving device (10), and the first support (11) is intended for solid
Due to the rotatable first element (15) for the slewing (2) being arranged in the laboratory (9), and
Second support (13) is connected in the measuring unit (12), and the second support (13) is intended for being fixed on described
The second element (16) of slewing (2),
It is characterized by:
First plate (3) be it is fixed, second plate (4) can translational motion, can be towards or away from first plate
(3) it moves, enables to apply axial load to the slewing (2),
The first support (11) includes: support plate (26), is rotatably coupled to the driving device (10)；And have
The support column (17) of central axis (X17), first end (17-1) are connected in the support plate (26), its second end (17-2) meaning
In the rotatable first element (15) for being fixed on the slewing (2), the first end (17- of the support column (17)
1) position on the support plate (26) can be adapted so that the central axis (X17) for limiting the support column (17) is opposite
In the relative inclination of the central axis (X2) of the first element (15), and
The second support (13) includes axis (20), and the first end (20-1) of the axis (20) is intended for being connected in the rotation
The second end (20-2) of the second element (16), the axis (20) that turn equipment (2) is connected in described for measuring friction torque
Sensor (41).
2. testing stand according to claim 1, which is characterized in that the driving device (10) includes: motor (27), is made
Driving plate (28) rotation；Bar (29), the first end being provided at the pivot connection (30) for being connected in the driving plate (28)
And it is provided with the second end at the pivot connection (31) for the first end for being connected in crank (32), the crank (32) has can
Rotatably it is connected in the second end of the support plate (26) of the first support (11).
3. testing stand according to any one of the preceding claims, which is characterized in that the first support (11) is also wrapped
It includes guiding piece (23), the first end (17-1) of the support column (17) is via the coupling element (24) with pivot connection (25)
It is connected in the guiding piece (23), the guiding piece (23) includes at least one cross track (23-1,23-2), the connection member
Part (24) includes that can match to merge with the track (23-1,23-2) to be capable of fixing in the difference of the track (23-1,23-2)
The structure of position.
4. testing stand according to any one of the preceding claims, which is characterized in that the support column (17) its
At two ends (17-2) include the first adaptation element (18), first adaptation element (18) in shape with the slewing
(2) supporting surface of first element (15) is consistent.
5. testing stand according to any one of the preceding claims, which is characterized in that the second support (13) includes
It is fixed on the second adaptation element (21) of the second element (16) of the slewing (2), the second adaptation element (21) warp
The first end (20-1) of the axis (20) is connected in by pivot connection (22).
6. testing stand according to claim 5, which is characterized in that the measuring unit (12) includes tubular sleeve (33),
The tubular sleeve has centre bore (33-1) and is anchored on the outer surface of second plate (4), the laboratory (9) outside
Portion, the axis (20) pass through the plate (4) and extend in the hole of described sleeve pipe (33) (33-1).
7. testing stand according to claim 6, which is characterized in that at least one rolling bearing (35,36) is by between described
To support the axis (20) rotary motion between the hole (33-1) and the axis (20) of casing (33).
8. the testing stand according to any one of claim 6 and 7, which is characterized in that the measuring unit (12) includes
Measurement plate (39), the measurement plate (39) are arranged in described sleeve pipe (33), and the measurement plate (39) has first surface, described
First surface is connected in the second end (20-2) of the axis (20) via cross coupler (40), so that the axis (20) is only to institute
Measurement plate (39) transmitting torque is stated, the measurement plate (39) and the axis (20) have corresponding with the cross coupler (40)
Shape, the measurement plate (39) has the second surface that cooperates with the torque sensor (41).
9. testing stand according to claim 8, which is characterized in that bearing unit (42) is by between the second of the axis (20)
It holds between (20-2) and the first surface of the measurement plate (39), the bearing unit (42) includes: first lap, is fixed on institute
State the first surface of measurement plate (39)；Second circle, is fixed on the second end (20-2) of the axis (20)；At least one column roll
Element, between the circle, the rolling element is listed in radially around the cross coupler (40).
10. the testing stand according to any one of claim 6 to 9, which is characterized in that described sleeve pipe (33) includes freely
End, the free end are located at the opposite side of the axis (20) and are covered (43) closing, and the measuring unit (12) includes being used for
The device (44) temporarily coupled between the lid (43) and described sleeve pipe (33), the lid (43) and the torque sensor
(41) it contacts.
11. the testing stand according to any one of claim 8 and 9, which is characterized in that the measuring unit (12) includes
Device (45) for temporarily coupling between the measurement plate (39) and described sleeve pipe (33), then the measurement plate (39) is tight
It is fixed in described sleeve pipe (33).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1851661 | 2018-02-26 | ||
| FR1851661A FR3078402B1 (en) | 2018-02-26 | 2018-02-26 | TEST BENCH FOR A ROTATING DEVICE, PARTICULARLY FOR A SUSPENSION STOP |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110196129A true CN110196129A (en) | 2019-09-03 |
| CN110196129B CN110196129B (en) | 2022-03-11 |
Family
ID=62017532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910128388.6A Active CN110196129B (en) | 2018-02-26 | 2019-02-21 | Test stand for a rotating device, in particular a suspension bearing unit |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR102654049B1 (en) |
| CN (1) | CN110196129B (en) |
| DE (1) | DE102019202125A1 (en) |
| FR (1) | FR3078402B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855238A (en) * | 2020-07-20 | 2020-10-30 | 宁波雷奥自动化设备有限公司 | Swing testing mechanism and working method thereof |
| CN115077766A (en) * | 2022-07-25 | 2022-09-20 | 四川富生汽车零部件有限公司 | Torsion detection device for sliding bearing in vehicle-mounted air conditioner blower motor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021117298B3 (en) | 2021-07-05 | 2022-07-28 | Dirk-Olaf Leimann | Device and method for testing rolling bearings |
| KR102630199B1 (en) | 2021-07-30 | 2024-01-29 | 한국과학기술연구원 | Anderon meter for cryogenic environment and Measuring method for bearing friction torque using the same |
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| US3380288A (en) * | 1965-09-17 | 1968-04-30 | Ind Tectonics Inc | Rolling contact test machine |
| US20060229791A1 (en) * | 2005-04-06 | 2006-10-12 | Oblizajek Kenneth L | Methods for evaluating dynamic characteristics of vehicle dampers at low velocities |
| CN201974359U (en) * | 2011-02-18 | 2011-09-14 | 中国矿业大学 | End-surface twisting friction-wear testing machine |
| CN202453184U (en) * | 2011-12-29 | 2012-09-26 | 浙江天马轴承股份有限公司 | Parameter measurement device for tapered roller bearing |
| JP2013120165A (en) * | 2011-12-08 | 2013-06-17 | Kokusai Keisokki Kk | Torsion tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6156936A (en) * | 1984-08-29 | 1986-03-22 | Komatsu Ltd | Bench tester of damper rubber |
| CN102105392B (en) | 2008-07-25 | 2013-04-24 | 松下电器产业株式会社 | Hydrogen generation device and fuel cell system provided therewith |
-
2018
- 2018-02-26 FR FR1851661A patent/FR3078402B1/en active Active
-
2019
- 2019-02-18 DE DE102019202125.5A patent/DE102019202125A1/en active Pending
- 2019-02-19 KR KR1020190019134A patent/KR102654049B1/en active IP Right Grant
- 2019-02-21 CN CN201910128388.6A patent/CN110196129B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3380288A (en) * | 1965-09-17 | 1968-04-30 | Ind Tectonics Inc | Rolling contact test machine |
| US20060229791A1 (en) * | 2005-04-06 | 2006-10-12 | Oblizajek Kenneth L | Methods for evaluating dynamic characteristics of vehicle dampers at low velocities |
| CN201974359U (en) * | 2011-02-18 | 2011-09-14 | 中国矿业大学 | End-surface twisting friction-wear testing machine |
| JP2013120165A (en) * | 2011-12-08 | 2013-06-17 | Kokusai Keisokki Kk | Torsion tester |
| CN202453184U (en) * | 2011-12-29 | 2012-09-26 | 浙江天马轴承股份有限公司 | Parameter measurement device for tapered roller bearing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855238A (en) * | 2020-07-20 | 2020-10-30 | 宁波雷奥自动化设备有限公司 | Swing testing mechanism and working method thereof |
| CN111855238B (en) * | 2020-07-20 | 2022-04-12 | 宁波雷奥自动化设备有限公司 | Swing testing mechanism and working method thereof |
| CN115077766A (en) * | 2022-07-25 | 2022-09-20 | 四川富生汽车零部件有限公司 | Torsion detection device for sliding bearing in vehicle-mounted air conditioner blower motor |
| CN115077766B (en) * | 2022-07-25 | 2022-10-28 | 四川富生汽车零部件有限公司 | Torsion detection device for sliding bearing in vehicle-mounted air conditioner blower motor |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3078402B1 (en) | 2020-01-31 |
| KR20190103010A (en) | 2019-09-04 |
| DE102019202125A1 (en) | 2019-08-29 |
| CN110196129B (en) | 2022-03-11 |
| KR102654049B1 (en) | 2024-04-02 |
| FR3078402A1 (en) | 2019-08-30 |
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