CN205580747U - A car wheel bearing device for a test car dynamics of structure's test bench - Google Patents
A car wheel bearing device for a test car dynamics of structure's test bench Download PDFInfo
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- CN205580747U CN205580747U CN201620270974.6U CN201620270974U CN205580747U CN 205580747 U CN205580747 U CN 205580747U CN 201620270974 U CN201620270974 U CN 201620270974U CN 205580747 U CN205580747 U CN 205580747U
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- wheel bearing
- bearing arrangement
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- tire
- test
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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
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
- G01M17/0074—Details, e.g. roller construction, vehicle restraining devices
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- General Physics & Mathematics (AREA)
- Tires In General (AREA)
Abstract
The utility model provides a car wheel bearing device of test car's dynamics of structure test bench (1) needs tire (5) of the wheel of the vehicle of test can place on car wheel bearing face (6) on car wheel bearing device, car wheel bearing device be on a parallel with car wheel bearing face (6), along the side direction of relative tire (5) and relative test bench (1) is portable, wherein the removal of car wheel bearing device is by the viscous damping. The utility model aims at providing a car wheel bearing device utilizes the above -mentioned shortcoming of this car wheel bearing device elimination that is used for a test car dynamics of structure, especially the low frequency dynamics of structure's of motor vehicle test bench. especially, can improve utilize on the test bench the realizable measuring result of car wheel bearing device to actually go the operation the significance.
Description
Technical field
This utility model relate to a kind of according to as described below, for test vehicle Structural Dynamics, the most motor-driven
The wheel bearing arrangement of the dynamic (dynamical) testing stand of low frequency configuration of car, needs the wheel of the vehicle of test on wheel bearing arrangement
Tire can be placed on wheel support face.
Background technology
Such as WO 2007/133599 A2 discloses a kind of such wheel bearing arrangement.Each wheel bearing arrangement
Can the pillar of hydraulic motion along vertical direction with the total of four of four column test platforms (also referred to as " 4-Poster Test Rig ")
In a pillar connect immovably.It is placed on corresponding wheel bearing arrangement each wheel stationary of motor vehicles
On.
US 6,247,384 B1 discloses a kind of testing stand, can be to the vehicle being fixed on framework in this testing stand
The dynamic characteristic of wheel configuration component test.Wheel can be placed on the transmission band driven by wheel.
It should be stressed about the traveling dynamic characteristic testing vehicle on afore-mentioned test platform: static tire with
The situation of the tire rotated is different.Particularly in the case of vehicle body Large Amplitude Motion, the side wheel supporting in opposing rows track
(Radabst ü tzung) plays an important role.
Generally, the wheelspan of axletree due to common wheel suspension kinetics vertical at wheel or several wheel
Change significantly during motion.On four column test platforms, (on this four column tests platform, tire is placed on still or adhesively
Each maintains static on the wheel bearing arrangement being connected with pillar) have to absorb wheelspan so by tire or several tire
Change.In this case, tire deforms substantially along side surface direction, and this causes not in test on four column test platforms
Desired side loads.These side loads (particularly in the case of shock strut-wheel suspension) on tire cause row
Walking the rising of mechanism friction, this rising changes the vertical dynamic characteristic of vehicle again.
Additionally, static tire due to its side stiffness characteristics jointly produce along side surface direction with vehicle weight intrinsic
Vibration.This side intrinsic vibration be can not see in the vehicle travelled, because the side deformation of the tire rotated is by wheel
The rolling of tire is eliminated rapidly, without there is side vibration.Thus vehicle shows along side side on four column test platforms
To obvious vibration, this situation vibrating vehicle based on actual travel is the most unpractical.
In order to avoid side vibrates, such as, can the floating without Frictional Slipping be set between tire with corresponding pillar and prop up
The flat board held.Tire particularly can be freely-movable along side surface direction in this way, therefore completely avoid side
Friction rising in tire force and therefore walking mechanism and the Vehicular vibration along side surface direction.But float in this wise using
In the case of the flat board of dynamic supporting, when applying to wave stimulation (such as by the side ground relief of simulation), vehicle encloses
(wave=vehicle body around the rotary motion of the longitudinal axis of vehicle) is waved around its center of gravity.But vehicle is around more adjunction on highway
Shortcut face and substantially extend below longitudinal axis at vehicle's center of gravity and wave, because tire can not to side freely on highway
Slide, but produce side force.Therefore, when being arranged between tire and each pillar, four posts of floating support flat board having
When testing the traveling dynamic characteristic of vehicle on testing stand, the side acceleration of the vehicle in the head zone of automotive occupant is unrealistic
Ground diminishes.Thus utilize such four column test platforms can not lateral head acceleration (this head of simulating vehicle occupant exactly
Portion's acceleration is an important driving comfort standard), the whole of vehicle body can not be simulated exactly and wave dynamic characteristic.
Utility model content
In this context, the purpose of this utility model is to provide a kind of for testing vehicle Structural Dynamics, especially
It is the wheel bearing arrangement of the dynamic (dynamical) testing stand of low frequency configuration of motor vehicles, utilizes this wheel bearing arrangement to eliminate above-mentioned lacking
Point.Especially, can improve utilize on testing stand the attainable measurement result of wheel bearing arrangement for actual travel run
Significance.
This purpose is achieved by having wheel bearing arrangement as herein described.The following stated discloses this utility model
Other particularly advantageous structure.
It is noted that the feature of individually explanation in the following description can be had a mind to technically with arbitrarily
The mode of justice is mutually combined and discloses other structure of the present utility model.Description especially in conjunction with accompanying drawing additionally to this reality
It is described with novel and describe in detail.
According to an aspect of the present utility model, it is provided that the testing stand of a kind of Structural Dynamics for testing vehicle
Wheel bearing arrangement, needs the tire of the wheel of the vehicle of test to can be placed on wheel support face on wheel bearing arrangement,
Wheel bearing arrangement is parallel to wheel support face, may move, wherein along the side surface direction of relative tire and relative test platform
The movement of wheel bearing arrangement is by viscous damping.
According to an embodiment of the present utility model, the movement of wheel bearing arrangement is by being connected to supporting arrangement and testing stand
Between hydraulic damper damping.
According to an embodiment of the present utility model, hydraulic damper has the damping value of 0.1 to 100kNs/m.
According to an embodiment of the present utility model, hydraulic damper has the damping value of 1 to 30kNs/m.
According to an embodiment of the present utility model, hydraulic damper is hydraulic single drum antivibrator.
According to an embodiment of the present utility model, pulling force elastic component is connected abreast with hydraulic damper.
According to an embodiment of the present utility model, the elastic stiffness of pulling force elastic component is 0.1 to 10N/mm.
According to an embodiment of the present utility model, the elastic stiffness of pulling force elastic component is 1 to 5N/mm.
According to an embodiment of the present utility model, the elastic stiffness of pulling force elastic component is 1 to 2N/mm.
According to an embodiment of the present utility model, also including housing, wheel support plate is along towards upright tire
Side surface direction floating ground is bearing in housing.
According to an embodiment of the present utility model, wheel support plate can be rotatably supported on housing by multiple
Roller floating ground is bearing in housing.
According to an embodiment of the present utility model, between housing and wheel support plate, it is provided with at least one along court
The sealing member that can deform to the side surface direction of upright tire.
According to an embodiment of the present utility model, housing can removably be connected with testing stand.
According to this utility model, a kind of testing stand (such as, four column test platform) for testing vehicle Structural Dynamics
(tire needing the wheel of the vehicle of test on this wheel bearing arrangement can be placed on wheel support face to wheel bearing arrangement
On), this wheel bearing arrangement make to be parallel to wheel support face, along relative tire or wheel side surface direction, relatively
The mobility of testing stand is possibly realized, and wherein side sliding motion is by viscous damping.It is placed on wheel support by acting on
The side defined on device, static tire damps the simulation that can such as gear to actual circumstances on four column test platforms and rotates
The tyre performance of side of wheel.Therefore, considerably improve on testing stand, utilize this utility model wheel bearing arrangement
The quality of attainable measurement result and the significance that actual travel is run.
According to a useful structure of the present utility model, side sliding motion by be connected to supporting arrangement and testing stand it
Between hydraulic damper damping.This antivibrator with along side surface direction play spring effect tire (plasticity of the side of tire
Deformability) collectively form Maxwell body, it is connected in series with antivibrator at this Maxwell body Elastic part (tire).This
Arrange that the state of the tire that the simulation that makes to gear to actual circumstances rotates is possibly realized, even this tire is stood the most still
On testing stand or wheel bearing arrangement.
Tire relaxation length is one of tyre performance, and this tyre performance determines rolling distance, it is necessary to through this rolling distance
To reach the stable side force of 63%, such as due to capricious take turns elongation change cause.Side force is the most progressively
Formed and can be described by exponential function approx.Aforementioned Maxwell body (spring concatenates with antivibrator) produces similar
Li-time m-curve.
Another preferred structural specifications of the present utility model: antivibrator has preferably from about 0.1 to 100kNs/m, more excellent
The damping value of choosing about 1 to 30kNs/m.Can utilize in this way static tire simulated driving speed be about 30 to
The real side characteristic of the tire of the rotation of 150km/h, wherein damping value is substantially that side tire stiffness, tire relaxation are long
Degree and the function of travel speed.
In order to use the hydraulic damper of traditional such as wheel suspension antivibrator, of the present utility model another is useful
Structural specifications: antivibrator is hydraulic single drum antivibrator.This monotubular antivibrator is in order to wheel bearing arrangement relative test platform
Side sliding motion carries out damping and can be horizontally disposed with without any problems.
According to a further useful structure of the present utility model, the pulling force of the helical spring such as carrying pulling force is elastic
Part is connected abreast with antivibrator.Compressive resilience part balances damping expansion force as follows (because this damping expansion force is generally in
Up under the internal pressure of 30bar), i.e. antivibrator is generally kept at interposition in the case of without other external force all the time
In putting.The preferably elastic stiffness of pulling force elastic component is about 0.1 to 10N/mm, and more preferably about 1 to 5N/mm is with further preferred
It is about 1 to 2N/mm.The elastic stiffness so selected can make wheel bearing arrangement gently placed in the middle, thus will be placed on wheel
Vehicle on supporting arrangement gently leads back in centre position on testing stand, and thus vehicle on wheel bearing arrangement
Horizontal drift can be avoided by together with collision with the end stop arranged for this subsequently.
The most useful structural specifications housing of the present utility model, wheel support plate is along the side towards upright tire
Direction, face floating ground is bearing in this housing.Owing to housing is connected with testing stand, it is possible to achieve the car in this utility model meaning
The side mobility of wheel support plate relative test platform.It is particularly preferred that the housing of wheel bearing arrangement can removably with
Testing stand connects.So wheel bearing arrangement can be assemblied in as required on traditional testing stand and again remove.This practicality
Novel wheel bearing arrangement can also be assemblied on the testing stand existed the most afterwards, such as four column tests
Platform.
According to another other useful structure of the present utility model, wheel support plate is by multiple on housing bottom
The roller rolled can be bearing in housing flank movement.This point has ensured that wheel support plate maximum possible is without frictionally supporting
In housing.
The most useful structural specifications of the present utility model: be provided with at least one between housing and wheel support plate
The sealing member that can deform (trouble-freely) along the side surface direction towards upright tire.Such as collapsible along side surface direction
The sealing member of band, on the one hand make wheel support plate in housing freely side mobility be possibly realized, and separately
On the one hand prevent dirt particle from entering between wheel support plate and housing.
Accompanying drawing explanation
Further features and advantages of the present utility model comes from and following is interpreted as infinite reality to of the present utility model
Execute the explanation of example, illustrate this utility model the most in further detail.It is schematically depicted in the drawings:
Fig. 1 is that to be placed on the local of the vehicle on the testing stand with exemplary this utility model wheel bearing arrangement saturating
View；
Fig. 2 is the testing stand fragmentary, perspective view without vehicle with this utility model wheel bearing arrangement illustrated in fig. 1；
Fig. 3 is the testing stand illustrated in fig. 1 fragmentary, perspective view without this utility model wheel bearing arrangement；
Fig. 4 is the rear cross sectional view of this utility model wheel bearing arrangement illustrated in fig. 1；
Fig. 5 is the perspective detailed view of the roller mount of this utility model wheel bearing arrangement illustrated in fig. 1；
Fig. 6 is the perspective detailed view of the roller mount being arranged in housing illustrated in fig. 5；
Fig. 7 is the perspective detailed view of the wheel support plate of the floating ground supporting being arranged in housing illustrated in fig. 6；And
Fig. 8 is the perspective detailed view of this utility model wheel bearing arrangement assembled completely illustrated in fig. 1.
Reference numerals list
1 testing stand
2 wheel bearing arrangements
3 vehicles
4 stigmas
5 tires
6 wheel support faces
7 housings
8 wheel support plates
9 hydraulic dampers
10 pulling force elastic components
11 sealing members
12 rollers
13 roller mount
14 rolling bearings
Detailed description of the invention
All the time same reference is marked in different drawings at the parts that their function aspects is the same, thus logical
Often these parts are the most once illustrated.
Fig. 1 is illustrated that the vehicle being parked on the testing stand 1 with exemplary this utility model wheel bearing arrangement 2
The fragmentary, perspective view of 3.The testing stand 1 that figure 1 illustrates is four column test platforms, on the ground it can be seen that this four column tests platform
Only two anterior stigmas in total of four stigma 4.The most movable hydraulic prop of four column test platforms
It is arranged on underground and cannot see the most in FIG.
Additionally it is known that the tire 5 of wheel is placed on wheel on corresponding wheel bearing arrangement 2 from Fig. 1
(Fig. 4 is seen) on bearing-surface 6.
Fig. 2 is illustrated that illustrated in fig. 1, has the testing stand 1 of this utility model wheel bearing arrangement 2 without vehicle 3
Fragmentary, perspective view.It will be clear that how wheel bearing arrangement 2 is placed on the stigma 4 of four column test platforms 1.Shown in Fig. 2
It it is the wheel bearing arrangement 2 seeing right front along the travel direction of the vehicle 3 shown in Fig. 1.It is the testing stand 1 shown in Fig. 2
The difference in structure is there is no, each in wheel bearing arrangement 2 point between four wheel bearing arrangements 2 of middle use
Do not connect with the pillar (can only see the stigma 4 being connected with pillar in fig. 2) being arranged on underground of assay device 1, because of
And the explanation of a unique wheel bearing arrangement 2 here be can equally be well applied to other the wheel support dress of testing stand 1
Put 2.
Additionally, in fig. 2 it can be seen that the following ingredient of wheel bearing arrangement 2: housing 7；Can move to side
The wheel support plate 8 that is bearing in housing 7；The hydraulic damper 9 being connected between housing 7 and wheel support plate 8；With damping
The pulling force elastic component 10 that device 9 connects abreast；And two that be arranged between housing 7 and wheel support plate 8, along side side
To deformable sealing member 11, such as along the folding band of side surface direction.Side surface direction is in fig. 2 as double-head arrow mark
Go out.
Fig. 3 is illustrated that the testing stand 1 illustrated in fig. 1 fragmentary, perspective view without this utility model wheel bearing arrangement 2.Can
To see that the travel direction along vehicle 3 illustrated in fig. 1 sees the stigma 4 that left side is anterior.From Fig. 2 and 3 it can be seen that tradition
Testing stand 1 (the most traditional four column test platforms self not having this utility model wheel bearing arrangement 2) can also the most again
Equip wheel bearing arrangement 2 of the present utility model.
Fig. 4 is illustrated that the rear cross sectional view of this utility model wheel bearing arrangement 2 illustrated in fig. 1.As can be seen that
As, the tire 5 of wheel is placed on car to transfixion on wheel bearing arrangement 2 (particularly on wheel support plate 8)
On wheel bearing-surface 6 (contact surface between tire 5 and wheel support plate 8).It addition, in the diagram it can be seen that wheel support plate 8
By multiple roller 12 floating grounds that can be rotated to support on housing 7 in the embodiment shown by wheel bearing arrangement 2,
That is be movably supported in housing 7 especially along the side surface direction (double-head arrow) towards the tire 5 placed.Housing 7
But itself is the most removably connected with the stigma 4 of assay device 1 by suitable connector 13 again.
It addition, as can be seen from Figure 4: hydraulic damper 9, water in the embodiment shown by wheel bearing arrangement 2
Flat arrange, damping valueBe preferably from about 0.1 to 100kNs/m, more preferably about 1 to
The hydraulic single drum antivibrator of 30kNs/m be connected to can side the wheel support plate 8 and housing 7 that are bearing in movably in housing 7 it
Between.Antivibrator 9 in the way of here illustrating for wheel support plate 8 along the side surface direction (double-head arrow) towards wheel 5
Sliding motion carry out viscous damping.
It addition, in the diagram it can be seen that pulling force elastic component 10 is connected abreast with antivibrator 9.Pulling force elastic component 10 is used for
First the damping expansion force of the antivibrator 9 being under the internal pressure of up to 30bar is balanced so that antivibrator 9 is in nothing
All the time it is generally kept in centre position in the case of other external force.Secondly, have in the reality shown by wheel bearing arrangement 2
The pulling force elastic component of elastic stiffness executing about 1 to the 2N/mm selected in example makes wheel support plate 8 gently placed in the middle, thus will be
Vehicle 3 shown in Fig. 1 gently leads back in centre position on testing stand 1, and thus vehicle 3 on wheel support plate 8
Side drift about together with permissible with the collision of the end stop (being not explicitly depicted) being arranged on for this on wheel bearing arrangement 2 subsequently
It is avoided by.
Play along side surface direction and there is elastic stiffness be about the tire 5 of spring part effect and the antivibrator 9 of 50 to 300N/mm
Collectively form Maxwell bodyOwing to the elastic stiffness of tire 5 is about at the bullet of pulling force elastic component 10
The property rigidity two above order of magnitude, the latter is the most inoperative for the dynamic characteristic of Maxwell body.
Fig. 5 is illustrated that the perspective of the roller mount 13 of this utility model wheel bearing arrangement 2 illustrated in fig. 1 regards in detail
Figure.In the embodiment illustrated, in roller mount 13, altogether it is provided with the roller 12 of five rotatable supportings.
Fig. 6 is illustrated that the perspective detailed view of roller mount 13 illustrated in fig. 5, that be arranged in housing 7.In order to shell
The wheel support plate 8 being not shown here in body 7 carries out side guide, additionally in the enforcement shown by wheel bearing arrangement 2
Example is provided with four rolling bearings 14, such as ball bearings altogether.
Fig. 7 be illustrated that be arranged in housing 7 illustrated in fig. 6 along side surface direction (double-head arrow) floating ground supporting
The perspective detailed view of wheel support plate 8.
Fig. 8 is illustrated that illustrated in fig. 1, this utility model car assembled up completely in addition to pulling force elastic component 10
The perspective detailed view of wheel bearing device 2.In fig. 8 it will be clear that two be arranged on housing 7 and wheel support plate 8 it
Between, along side surface direction (double-head arrow) deformable sealing member 11.In the embodiment of wheel bearing arrangement 2, sealing member 11
It is along the folding band of side surface direction.These bands prevent dirt particle enter wheel support plate 8 and housing 7 it
Between.
Aforementioned this utility model wheel bearing arrangement is not limited to embodiment disclosed herein, but has also included same
Other embodiments of sample effect.
In preferably design, wheel bearing arrangement of the present utility model is used for testing stand, particularly four column test platforms, its
For testing the low frequency configuration kinetics of the Structural Dynamics of vehicle, particularly motor vehicles.
Claims (10)
1., for testing a wheel bearing arrangement for the testing stand (1) of the Structural Dynamics of vehicle, fill at described wheel support
The tire (5) putting the wheel of the vehicle that need to test can be placed on wheel support face (6), it is characterised in that described wheel
Supporting arrangement is parallel to described wheel support face (6), along the side surface direction of the most described tire (5) and the most described test
Platform (1) may move, and the movement of wherein said wheel bearing arrangement is by viscous damping.
Wheel bearing arrangement the most according to claim 1, it is characterised in that the movement of described wheel bearing arrangement is by connecting
Hydraulic damper (9) damping between supporting arrangement (2) and described testing stand (1).
Wheel bearing arrangement the most according to claim 2, it is characterised in that described hydraulic damper (9) have 0.1 to
The damping value of 100kNs/m.
Wheel bearing arrangement the most according to claim 2, it is characterised in that described hydraulic damper (9) is hydraulic single drum
Antivibrator.
Wheel bearing arrangement the most according to claim 2, it is characterised in that pulling force elastic component (10) and described hydraulic damping
Device (9) connects abreast.
Wheel bearing arrangement the most according to claim 5, it is characterised in that the elastic stiffness of described pulling force elastic component (10)
Be 0.1 to 10N/mm.
Wheel bearing arrangement the most according to claim 1, it is characterised in that also include housing (7), wheel support plate (8)
It is bearing in described housing along the side surface direction floating ground towards upright described tire (5).
Wheel bearing arrangement the most according to claim 7, it is characterised in that described wheel support plate (8) passes through multiple energy
Enough it is rotatably supported at the roller on described housing (12) floating ground to be bearing in described housing (7).
Wheel bearing arrangement the most according to claim 7, it is characterised in that at described housing (7) and described wheel support
At least one sealing member that can deform along the side surface direction towards upright described tire (5) it is provided with between plate (8)
(11)。
Wheel bearing arrangement the most according to claim 7, it is characterised in that described housing (7) can removably with institute
State testing stand (1) to connect.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015206054.3 | 2015-04-02 | ||
| DE102015206054.3A DE102015206054B3 (en) | 2015-04-02 | 2015-04-02 | Wheel-up device for a test stand for testing a body dynamics of a vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205580747U true CN205580747U (en) | 2016-09-14 |
Family
ID=56100010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620270974.6U Active CN205580747U (en) | 2015-04-02 | 2016-04-01 | A car wheel bearing device for a test car dynamics of structure's test bench |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205580747U (en) |
| DE (1) | DE102015206054B3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525456A (en) * | 2016-11-28 | 2017-03-22 | 黑龙江科技大学 | Shearer walking mechanism dynamic characteristic test experiment bench |
| CN112278866A (en) * | 2020-11-24 | 2021-01-29 | 东旭集团有限公司 | G8.5 glass packaging frame conversion equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444734A (en) * | 2018-05-22 | 2018-08-24 | 林锦鹏 | A kind of automobile front axle detection plate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1144342A (en) * | 1965-02-24 | 1969-03-05 | Fairey Surveys Ltd | Improvements relating to the vibration testing of vehicle suspensions |
| DE2840408C2 (en) * | 1978-09-16 | 1980-12-18 | Fischer-Stahlbau Karl Josef Fischer, 4000 Duesseldorf | Device for determining a relative mobility between parts of the chassis or the steering in a vehicle |
| JP3066391B2 (en) * | 1994-07-27 | 2000-07-17 | 日産自動車株式会社 | Compliance tester |
| DE20312874U1 (en) * | 2003-08-20 | 2003-10-09 | MAHA Maschinenbau Haldenwang GmbH & Co. KG, 87490 Haldenwang | Wheel plate for vehicle running gear geometry measurement has ball bearings with sealing rings in retaining edge |
-
2015
- 2015-04-02 DE DE102015206054.3A patent/DE102015206054B3/en active Active
-
2016
- 2016-04-01 CN CN201620270974.6U patent/CN205580747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525456A (en) * | 2016-11-28 | 2017-03-22 | 黑龙江科技大学 | Shearer walking mechanism dynamic characteristic test experiment bench |
| CN106525456B (en) * | 2016-11-28 | 2018-09-07 | 黑龙江科技大学 | A kind of traveling mechanism of coal mining machine dynamic characteristic test experimental bench |
| CN112278866A (en) * | 2020-11-24 | 2021-01-29 | 东旭集团有限公司 | G8.5 glass packaging frame conversion equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015206054B3 (en) | 2016-06-23 |
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