• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An easy-to-use and safe operation on a test bench ensuring test wheel (1) is characterized in that a locking means (12) is provided which establishes or releases the rotationally fixed connection between a mounting flange (9) and the test wheel (1), and as a blocking means (12) on the mounting flange (9) a sliding member (10) in the axial direction slidably and with respect to the mounting flange (9) is rotatably mounted and on the Radscheibenbuchse (5) and the sliding part (10) associated connecting parts of a positive connection (14) between Radscheibenbuchse (5) and sliding part (10) are provided, wherein it is provided to produce the positive connection (14) by moving the sliding part (10) or to solve.
    公开号:AT517842A4
    申请号:T51012/2015
    申请日:2015-11-26
    公开日:2017-05-15
    发明作者:Messner Ulrich；Weissl Werner；Götz Stefan
    申请人:Avl List Gmbh；
    IPC主号:
    专利说明:

    test wheel
    The subject invention relates to a test wheel with a wheel disc, which merges centrally into a Radscheibenbuchse in which a mounting flange is rotatably mounted, wherein a locking means is provided, with the rotation of the wheel disc is lockable relative to the mounting flange. Furthermore, the invention relates to the use of the test wheel in a drive train test bench.
    On a powertrain test rig for testing a drive train of a vehicle, it is common to couple the wheel carrier to a prime mover. For this, the vehicle wheel is to be detached from the wheel carrier. However, this makes it difficult and expensive to transport the vehicle without vehicle wheels in the test. For this purpose, own transport facilities were necessary, which made the setup process for carrying out a test run consuming.
    Therefore, special test wheels have already been proposed, which are mounted on the wheel carrier instead of the normal vehicle wheels. These special test wheels allow both a normal ferry operation of the vehicle, as well as the test mode on the test bench. The vehicle can thus be driven on the test wheels with the vehicle's own drive in the test, which greatly facilitates the setup process on the test bench.
    For example, AT 512 428 B1 describes a test wheel which is fastened to the wheel hub flange of the vehicle with a fastening flange. The wheel hub flange and the mounting flange form the wheel hub, which is non-rotatably connected to the side shaft of the vehicle. The wheel disc of the test wheel is arranged to be rotatable relative to the wheel hub. Through a lock, the hub can be rotatably connected to the wheel disc. With the lock, the vehicle can be moved and braked with the vehicle's own drive. Without a lock, the mounting flange on the test stand can be non-rotatably connected to a loading machine, whereby the loading machine is connected to the side shaft. The vehicle can stand on the test bench on the test wheel and can still be connected to the loading machine for testing. This eliminates the need for a lifting device of the vehicle on the test bench. The disadvantage of this solution can be seen in the fact that the lock must be manually removed and applied, which is expensive. The lock must then be stored somewhere on the test bench, where there is already little space anyway. The handling of such a test wheel is thus still relatively expensive. Similar test wheels are shown in EP 2 187 193 B1 and EP 2 561 331 B1. Even with these two, the wheel disc is rotatably arranged on the wheel hub. By means of a manually removable blocking means, the wheel hub can be connected to the wheel disc, with which the vehicle can be moved by the vehicle's own drive. However, these two versions have the significant disadvantage that the removal of the blocking agent can be forgotten on the test bench under certain circumstances. If a torque is applied to the wheel hub of the test wheel of the loading machine, this torque is transmitted via the test wheel and the vehicle can be moved on the test stand despite the fixation of the wheels, which represents a major security risk for the test stand personnel.
    It is therefore an object of the subject invention to provide a test wheel which is easy to operate and which ensures safe operation on a test bench, such as a test bench. a powertrain tester, guaranteed.
    This object is achieved with a test wheel with a locking means in which a displaceable on the mounting flange a sliding member in the axial direction slidably and against the mounting flange is rotatably mounted and provided on the Radscheibenbuchse and the sliding part associated connection parts of a positive connection between Radscheibenbuchse and sliding part is provided to establish or release the positive connection by moving the sliding part. Thus, it is sufficient to move the sliding part on the fastening part, which allows a particularly simple operation. In use on the powertrain test stand of the sliding part is connected to a drive shaft, whereby the sliding member is moved and the positive connection is released. Consequently, a malfunction of the powertrain tester can be excluded because the drive train test stand, the locking means is safely solved after connecting the drive shaft, which allows safe operation of the powertrain test.
    For easy connection of a drive shaft, a drive shaft connection flange for fastening a drive shaft is advantageously provided on the displacement part. The drive shaft connecting flange is preferably located in the region of the axial end of the test wheel facing the drive shaft.
    When a biasing member, such as a spring, is disposed between the mounting flange and the slide member, which biases the slide member for producing the positive connection, the test wheel is automatically returned to a drive mode in which the positive connection is made. Thus, a very simple operation of the test wheel can be ensured.
    In order to prevent release of the sliding part from the mounting flange, a sliding part stop is preferably provided at one end of the mounting flange. This measure also facilitates the handling of the test wheel.
    In an advantageous embodiment, the spring between the sliding part stop and the sliding part is arranged, whereby a simple structural design of the test wheel can be realized.
    To easily attach the test wheel to a drive train, a wheel hub connection flange is advantageously provided on the mounting flange, preferably on the sliding part stop opposite axial end of the mounting flange.
    The subject invention will be explained in more detail below with reference to Figures 1 to 6, which show by way of example, schematically and not by way of limitation advantageous embodiments of the invention. It shows
    1 shows the test wheel in a drive mode with activated blocking means,
    2 and 3 are views of the Radscheibenbuchse and the sliding part with advantageous embodiments of the connecting parts of the positive connection,
    4 shows the test wheel in a test mode with deactivated blocking means,
    5 shows a view of the test wheel with drive shaft and
    Fig.6 a powertrain test with a drive train and attached test wheels.
    The test wheel 1 in an advantageous embodiment will be described with reference to FIG. The test wheel 1 consists of a wheel disc 2, on which in a conventional manner radially outside a wheel rim 3 with a tire 4 are arranged. Central, radially inside a Radscheibenbuchse 5 is provided, which is rotatably connected to the wheel disc 2. The Radscheibenbuchse 5 can be connected in any way with the wheel disc 2. In the embodiment shown, a Radscheibenflansch 6 is provided with a Radscheibenlochkreis at the Radscheibenbuchse 5, where the wheel disc 2 is releasably secured by means of bolts 7.
    At the Radscheibenbuchse 5 centrally inside an axially continuous bearing recess 8 is provided, through which a mounting flange 9 is performed axially. The mounting flange 9 has at a first axial end a Radnabenverbindungsflansch 17 and at the opposite second axial end of a sliding part stop 18, whose function will be explained below. The mounting flange 9 is rotatably mounted in the Radscheibenbuchse. For this purpose, bearings 11, for example roller bearings, are arranged between the bearing recess 8 and the fastening flange 9. Thus, the Radscheibenbuchse 5 can rotate with the wheel disc 2 relative to the mounting flange 9. In order to lock this rotation between the mounting flange 9 and the wheel disc 2 as needed, a locking means 12 is provided.
    The blocking means 12 consists of a sliding part 10, which is arranged displaceably on the mounting flange in the axial direction (indicated by the double arrow). The displacement member 10 is rotatably mounted on the mounting flange 9, i. the displacement part 10 can not rotate relative to the fastening flange 9. For this purpose, for example, be provided in the usual way a keyway with a feather key 13 between the sliding member 10 and mounting flange 9, wherein any other suitable shaft-hub connection is conceivable.
    On the sliding part 10 and on the Radscheibenbuchse 5 are each associated, cooperating connecting parts of a positive connection 14 between the sliding member 10 and Radscheibenbuchse 5 are provided. In the illustrated embodiment, the positive connection 14 is designed as Vielnutprofil with internal teeth 15 on the Radscheibenbuchse 5 (Figure 2) and an outer toothing 16 on the sliding member 10 (Figure 3). Of course, other positive connections, such as serrations, polygonal profiles, keyways, serrations (such as a Hirth serration), and the like come into question.
    In the case of a spur gear toothing the spur gear part would be provided on the facing axial end faces of the sliding part 10 and Radscheibenbuchse 5. An end toothing is particularly interesting because it allows the displacement paths of the sliding part 10 (see below) can be kept very short.
    When the positive connection 14 is produced, as shown in FIG. 1, ie when the displacement part 10 is in engagement with the wheel disk bushing 5, a torque acting on the fastening flange 9 is transmitted to the wheel disk 2 via the displacement part 10. When the test wheel 1 is connected via the hub connection flange 17 to a wheel hub flange 31 of a drive train of a vehicle, so that a drive torque or a braking torque of the vehicle can be transmitted to the test wheel 1 and the drive train or the vehicle can be driven or with the vehicle's own drive or braking system or be slowed down.
    In the simplest case, the displacement part 10 is moved manually on the mounting flange 9. But it can be provided between the sliding part 10 and the mounting flange 9, a biasing member, such as a spring 20 which biases the sliding member 10 in the direction of producing the positive connection 14. In the illustrated embodiment, the spring 20 between the sliding part 10 and the sliding part stop 18 of the mounting flange 9 is arranged. The spring 20 presses the sliding part 10 in the direction of the Radscheibenbuchse 5 and thus in the direction of producing the positive connection 14. This can be ensured at the same time that normally the positive connection 14 is always in engagement. Of course, the spring 20 can also be arranged at another suitable location, and can instead of a pressing bias also realize a pulling bias. Likewise, another suitable biasing member may be substituted for a spring 20.
    A drive shaft connection flange 21 with a drive shaft hole circle for fastening a drive shaft 30 is advantageously provided on the displacement part 10, as will now be explained with reference to FIGS. 4 and 5. The sliding part stop 18 on the mounting flange 9 and the displacement part 10 are spaced apart in the axial direction a distance x. Thus, the displacement part 10 by this distance x (Verchiebeweg of the sliding part 10) are displaced on the mounting flange 9. The distance x is chosen so that the positive connection 14 is released when the sliding member 10 is displaced by this distance x.
    The drive shaft 30 is connected for example by means of drive shaft bolts 22 with the sliding part 10. In this case, the displacement part 10 is axially displaced in the direction of the displacement part stop 18, ie in the direction of loosening the positive connection 14, until it rests against the displacement part stop 18. At the same time, the positive connection 14 between the mounting flange 9 and the sliding part 10 is achieved by this axial displacement of the sliding part 10. Thus, a force acting on the mounting flange 9 torque is no longer transmitted to the wheel disc 2. As a result, the powertrain or vehicle can be stationarily positioned and still drive the powertrain, e.g. via the vehicle's own drive and / or braking system and / or via the drive shaft 30.
    If the drive shaft 30 is released again, the displacement part 10 can be moved again in the direction of Radscheibenbuchse 5 and producing the positive connection 14, either manually, or automatically by means of the biasing member, such as the spring 20th
    However, the sliding part stop 18 need not necessarily be provided on the mounting flange 9. In a simple embodiment, the axial end of the drive shaft 30 can also serve as a sliding part stopper 18 at the same time. If the sliding part stopper 18 is arranged on the mounting flange 9 and e.g. executed in the form of a flange-like, radial extension of the mounting flange 9 (as shown in Figures 1 and 3), can thus be achieved simultaneously in a simple manner that the sliding member 10 in use of the test wheel 1 can not be separated from the mounting flange 9.
    It is realized by moving the sliding part 10 between a first driving position and a second test position with the Prüfrad 1 two modes. In the Fahrpo position of the sliding member 10, the positive connection 14 is made and the test wheel 1 is in a driving mode in which the wheel disc 2 and the mounting flange 9 are connected via the sliding member 10 and a torque from the mounting flange 9 are transmitted to the test wheel 1 can. In the test position of the sliding part 10, the positive connection 14 is released and the test wheel 1 is in a test mode in which the wheel disc 2 and the mounting flange 9 are not connected to each other and no torque from the mounting flange 9 can be transmitted to the test wheel 1.
    The test wheel 1 is fixed by means of the Hub Hubverbindungsflansch 17 in a conventional manner on a conventional hub flange 31 of a drive train, for example, with the normal wheel bolt 32. For this purpose, the Radscheibenflansch 6 of the Radscheibenbuchse 5 through holes 19 may be provided to fasten the wheel bolts 32 easy ,
    To form a drive train 33, e.g. from drive assembly 35 (internal combustion engine and / or electric motor, clutch, transmission), drive train drive shaft 36, differential gear 37 and side shafts 38 (wheel suspensions are not shown in Figure 6 for the sake of simplicity), or a vehicle 34 (indicated by dashed lines) with such a drive train 33rd to test on a powertrain test stand 40, as shown in Figure 6, at least the driven vehicle wheels are replaced by test wheels 1 according to the invention. The vehicle 34 can then be driven by the vehicle's own drive into the test stand 40, since the test wheel 1 is normally in the driving mode. At the powertrain test bench 40, the loading machines 41 and the axles of the drive train 33 are aligned with each other. For this purpose, the loading machines 41 can also be displaceable in the longitudinal direction and / or transverse direction of the vehicle. The loading machines 41 drive the drive shafts 30 in a known manner. Likewise, a lifting device 42 can be provided on the drive train test bench 40, on which the vehicle 34 ascends or the drive train 33 is set and with which the vehicle 34 or the drive train 33 can be adjusted in height. The drive shafts 30 are preferably designed as cardan shafts, so that the positioning does not have to be too accurate. After the powertrain 33 is positioned on the powertrain test rig 40, the drive shafts 30 are connected to the test wheels 1, allowing the test wheels 1 to switch to the test mode and begin the test. It is always ensured by the inventive design of the test wheels 1 that a test wheel 1 is in the respectively correct mode. An incorrect operation of the test wheel 1 is thus practically impossible.
    权利要求:
    Claims (7)
    [1]
    claims
    1. test wheel with a wheel disc (2) which merges centrally into a Radscheibenbuchse (5), in which a mounting flange (9) is rotatably mounted, wherein a locking means (12) is provided, with the rotation of the wheel disc (2 ) is lockable relative to the mounting flange (9), characterized in that as locking means (12) on the mounting flange (9) a sliding member (10) displaceable in the axial direction and against the mounting flange (9) is arranged rotationally fixed and that at the Radscheibenbuchse (5 ) and on the displacement part (10) associated connecting parts of a positive connection (14) between Radscheibenbuchse (5) and sliding part (10) are provided, wherein it is provided to produce the positive connection (14) by moving the sliding part (10) or to solve.
    [2]
    2. test wheel according to claim 1, characterized in that on the displacement part (10) a drive shaft connecting flange (21) for fixing a drive shaft (30) is provided.
    [3]
    3. test wheel according to claim 1 or 2, characterized in that between the mounting flange (9) and displacement part (10) has a biasing part, preferably a spring (20) is arranged, which the sliding part (10) for producing the positive connection (14) biases.
    [4]
    4. test wheel according to one of claims 1 to 3, characterized in that at one end of the mounting flange (9) a sliding part stop (18) is provided.
    [5]
    5. test wheel according to claims 3 and 4, characterized in that the biasing member between the sliding part stop (18) and the displacement part (10) is arranged.
    [6]
    6. test wheel according to one of claims 1 to 5, characterized in that on the mounting flange (9) a Radnabenverbindungsflansch (17) is provided.
    [7]
    7. Test arrangement with a drive train (33) of a vehicle (34), wherein the drive train (33) at least one test wheel (1) is arranged according to one of claims 1 to 6, wherein the Antriebswellenverbindungsflansch (21) of the sliding part (10) one of a loading machine (41) driven drive shaft (30) is fixed, whereby the sliding part (10) on the mounting flange (9) and displaced the positive connection (14) is released.
    类似技术:
    公开号 | 公开日 | 专利标题
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    同族专利:
    公开号 | 公开日
    AT517842B1|2017-05-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE102008006870A1|2008-01-31|2009-08-06|GM Global Technology Operations, Inc., Detroit|Connecting device for drive shaft arrangement for connection of motor vehicle rim with motor vehicle, has attachment unit for attachment with drive shaft, and another attachment unit for attachment with motor vehicle|
    DE102010016587A1|2010-04-22|2011-10-27|Ipetronik Gmbh & Co. Kg|wheelset|
    AT512428B1|2011-10-11|2013-10-15|Seibt Kristl & Co Gmbh|Powertrain test bench for testing the powertrain of a vehicle|
    DE102020202512A1|2020-02-27|2021-09-02|Aip Gmbh & Co. Kg|Test bench for motor vehicles|
    法律状态:
    2021-07-15| MM01| Lapse because of not paying annual fees|Effective date: 20201126 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA51012/2015A|AT517842B1|2015-11-26|2015-11-26|test wheel|ATA51012/2015A| AT517842B1|2015-11-26|2015-11-26|test wheel|
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