EP3465133A1 - Prüfsystem zur prüfung des rollwiderstands mindestens eines fahrzeugreifens sowie ein verfahren zur prüfung des rollwiderstandes des fahrzeugreifens - Google Patents
Prüfsystem zur prüfung des rollwiderstands mindestens eines fahrzeugreifens sowie ein verfahren zur prüfung des rollwiderstandes des fahrzeugreifensInfo
- Publication number
- EP3465133A1 EP3465133A1 EP17720105.0A EP17720105A EP3465133A1 EP 3465133 A1 EP3465133 A1 EP 3465133A1 EP 17720105 A EP17720105 A EP 17720105A EP 3465133 A1 EP3465133 A1 EP 3465133A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tire
- vehicle tire
- rim
- load
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/022—Tyres the tyre co-operating with rotatable rolls
Definitions
- Test system for testing the rolling resistance of at least one vehicle tire and a method for testing the rolling resistance of the vehicle tire
- the invention relates to a test system for testing the rolling resistance of at least one vehicle tire with the features of the preamble of claim 1. Furthermore, the invention relates to a method for testing the rolling resistance of at least one vehicle tire using the test system having the features of claim 15.
- Laboratory machines are often used to control the quality of tire rolling resistance. For this purpose, these machines are fed manually, whereby a tire must be mounted on a rim and then, e.g. with wheel bolts, to be connected to the laboratory machine. After completing the test, the tire must be disassembled by hand and then separated from the rim.
- the document EP 2 793 013 B1 which probably forms the closest prior art, describes a service device for motor vehicle wheels, in particular balancing machine or tire changing machine.
- the service device includes a mounting device provided to rotatably receive a tire / rim assembly having a tire and a rim.
- the service apparatus includes a load means for applying a predetermined load to a peripheral surface of the tire rim assembly and first drive means provided to move the mounting means and the load means relative to each other, wherein second drive means are provided, the mounting means and / or the load means for Turning the tire rim assembly to drive when in contact with the load means.
- a sensor means for determining forces acting between the peripheral surface and the load means, the forces acting on at least a first force acting radially on the tire rim assembly and a second force acting in a circumferential direction of the tire rim assembly , include. Furthermore, an evaluation device is arranged, which determine a rolling resistance coefficient of the tire on the basis of the first and the second force, which are detected by the sensor device.
- the invention has for its object to propose a test system for testing the rolling resistance of at least one vehicle tire, which accelerates the entire testing process. This object is achieved by a test system having the features of claim 1 and by a method having the features of claim 15.
- a test system for testing the rolling resistance of at least one vehicle tire is proposed.
- the function of the test system is to determine the rolling resistance of a vehicle tire on the basis of, in particular, at least one, preferably two, detected measured variables.
- the test system is a test stand or a test cell, wherein the test system forms, for example, a component or subsection of an assembly or production line.
- the vehicle tire is a car tire or a motorcycle tire or a truck tire, wherein the vehicle tire is preferably made of an elastic material, particularly preferably rubber.
- the test system comprises a measuring device.
- the measuring device has the function of simulating in particular an operating state of the vehicle tire.
- the measuring device is a sub-station of the test system or forms the test system.
- the measuring device has a load device.
- the Lastein direction has a load roller for applying a test load on the vehicle tire.
- the vehicle tire is acted upon by the load device with at least one force.
- the force preferably corresponds to a weight force of a vehicle or a wheel contact force.
- the vehicle tire is subjected to a load of at least 0.1 t, preferably more than 0.5 l, more preferably more than 2 l, in particular more than 30 l.
- the vehicle tire is subjected in particular to a load of less than 100 t, preferably less than 20 l, more preferably less than 5 l, in particular less than 1, 5 l.
- the load roller defines a first axis of rotation.
- the load roller is mounted coaxially with the first axis of rotation.
- the measuring device has a receiving device for receiving the vehicle tire.
- the receiving device is rotatably mounted.
- the vehicle tire with the receiving device is positively and / or non-positively and / or frictionally engaged, particularly preferably rotatably connected and / or connectable.
- the receiving device and the load device are movable relative to each other.
- the receiving device in the direction of the load device and / or the Lastein direction in the direction of the receiving device is movable, so that preferably the vehicle tire, in particular the peripheral surface of the tire, with the load roller, in particular a cylinder jacket surface of the load roller in contact and / or in contact can be brought.
- the receiving device defines a second axis of rotation.
- the second axis of rotation forms a parallel to the first axis of rotation.
- the receiving device is mounted coaxially with the second axis of rotation.
- the vehicle tire can be acted upon by the load device with a force which acts radially in the direction of the second axis of rotation.
- the measuring device has at least one drive device, wherein the drive device sets the load roller and / or the receiving device in a rotational movement.
- the drive device with the load roller and / or receiving device is connected by transmission technology.
- the load roller and the receiving device are set in a rotational movement when the load roller is in contact with the vehicle tire.
- drive device is an electric motor, wherein the electric motor preferably generates a torque.
- the drive device sets the load roller in a rotational movement in the direction of rotation with respect to the first axis of rotation and / or the vehicle tire or the receiving device in a rotational movement in the direction of rotation with respect to the second axis of rotation.
- the measuring device has at least one measuring arrangement for measuring the rolling resistance.
- the measuring arrangement has the function of determining the rolling resistance from at least one detected measured variable.
- the measuring arrangement comprises an evaluation device which determines the rolling resistance of the vehicle tire from at least one, preferably from at least two, particularly preferably from at least three detected measured variables.
- the receiving device comprises at least a first and a second rim member, wherein the first and the second rim member form a split rim closing unit for receiving the vehicle tire.
- the function of the receiving device is to receive a vehicle tire between the first and second rim members, so that preferably the two rim members fix the vehicle tire and secure it, e.g. can roll on the load roller.
- the reception of the vehicle tire is fully automatic.
- a vehicle tire to be tested no longer has to be mounted on a rim or subsequently dismantled, whereby the complete assembly process by hand is eliminated and thus the test process for determining the rolling resistance is significantly accelerated.
- a tire already mounted on a rim is no longer new and can therefore no longer be sold as new tires.
- the divided Felgensch let system the tires are gently absorbed between the two rim elements, whereby the vehicle tire is exposed to significantly low loads, so that resulting damage, which can affect the measurement results in particular, are significantly reduced.
- the first rim member is a first rim half and the second rim member is a second rim half, wherein the two rim halves together form a measuring rim as a rim closing unit.
- the first and / or the second rim half are mounted on a measuring spindle, wherein the measuring spindle preferably extends axially to the second axis of rotation.
- the first and / or the second measuring rim are arranged coaxially and / or concentrically with the measuring rim or the second axis of rotation and / or can be arranged.
- the two rim halves are mirror-symmetrical and preferably separable from each other.
- the second rim half is positively and / or non-positively and / or materially and / or frictionally connected to the measuring spindle, so that a torque from the measuring spindle to the second rim half or a torque of the second rim half can be transmitted to the measuring spindle.
- the two rim halves are separated by a cutting plane, wherein the cutting plane is preferably a radial plane to the second axis of rotation.
- At least one of the rim elements is displaceable axially relative to the second rotational axis, wherein the first rim element is separated from the second rim element in a mounting position.
- the first rim element of the second rim element and / or the second rim element of the first rim element so far in the axial direction is displaceable, so that preferably the vehicle tire between the two rim elements can be arranged.
- the first rim member in the axial direction is displaceable relative to the second rim member, wherein preferably the second rim member is fixedly connected to the measuring spindle and thus is particularly preferably fixed in the axial direction.
- the vehicle tire between the two rim elements is arranged coaxially with respect to the second axis of rotation.
- the receiving device has a jaw width adjustment device, wherein the jaw width adjustment device adjusts a jaw width of the receiving device.
- the jaw adjustment device has the function of reducing or enlarging an outer diameter of the two rim elements, so that preferably vehicle tires of different sizes can be accommodated in the receiving device, without the rim elements having to be replaced with particular preference.
- the maul position l coupled hydraulically and / or pneumatically and / or electrically driven.
- the jaw adjustment device has a drive motor, preferably an electric motor.
- the width adjustment adjusts the first and / or the second rim element in the radial direction with respect to the second axis of rotation.
- the adjustment range of the outer diameter of the first and / or the second rim member is a rim size of at least 13 inches, preferably more than 17 inches, more preferably more than 21 inches, in particular more than 25 inches.
- the measuring arrangement has at least one force detection device for detecting the wheel contact force.
- the at least one force detection device has at least one force sensor, wherein the force sensor is particularly preferably designed for detecting the wheel contact force.
- the force sensor is a piezoelectric and / or an electromagnetic and / or a resistive force transducer.
- the force sensor frictionlessly detects the wheel contact force.
- the force detection device is signal technology, in particular wired or wireless, connected to the evaluation and / or connectable.
- the force detection device is connected to the receiving device and / or the load device.
- the force detection device is connected to the measuring spindle and / or further components of the receiving device, e.g. connected to the first and / or the second rim member. Alternatively or optionally in addition, the force detection device is connected to the load roller.
- the measuring arrangement has at least one further force detection device for detecting a tangential force.
- the at least one further force detection device has a further force sensor.
- the force sensor is a piezoelectric and / or an electromagnetic and / or a resistive force transducer.
- the further force detection device is signal technology, in particular re wired or wireless, connected to the evaluation and / or connectable.
- the evaluation device determines the rolling resistance of the vehicle tire from the detected wheel contact force and / or the tangential force.
- the further force detection device is connected to the receiving device and / or the load device.
- the at least one and the further force detection device form a common force detection device, so that preferably the common force detection device for detecting the wheel contact force and the tangential force is formed, wherein particularly preferably the common force detection device connected to the receiving device and / or the load device.
- the measuring arrangement has at least one torque detection device for detecting a torque.
- the torque detection device has at least one torque sensor.
- the torque sensor is a piezoelectric or a magnetic or an optical or a resistive sensor.
- the torque detection device is signal technology, in particular wired or wireless, connected to the evaluation and / or connectable.
- the evaluation device determines the rolling resistance of the vehicle tire from the detected wheel contact force and / or the tangential force and / or the torque.
- the torque detection device is connected to the receiving device and / or the load device.
- the at least one drive device and / or the load roller and / or the receiving device preferably the measuring spindle, has the torque detection device for detecting a drive torque or torque caused by the rolling resistance.
- the measuring device in each case has a drive device for driving the load roller and the receiving device.
- a first drive device is geared technically with the load roller and a second drive means with the receiving device, preferably the measuring spindle.
- the measuring device has at least one adjusting device, wherein the adjusting device tilts the second axis of rotation relative to the first axis of rotation.
- the measuring device may have at least one further adjusting device, wherein the further actuating device tilts the first rotational axis relative to the second rotational axis.
- the setting device has the function of simulating a fall of the vehicle tire, so that preferably the vehicle tire can be tested with different load points.
- the adjusting device is a further drive motor, alternatively, the adjusting device and the jaw width adjustment device is driven by a common drive motor.
- the adjusting device adjusts the measuring spindle and / or the receiving device, so that preferably the second rotational axis tilts relative to the first rotational axis.
- the second axis of rotation can be arranged askew or parallel to the first axis of rotation or intersects the second axis of rotation.
- the load device preferably the load roller, can be tilted, so that particularly preferably the first rotation axis tilts relative to the second rotation axis.
- the adjusting device and / or the Jaulweitenstell issued and / or the second drive means is a common drive unit.
- the measuring device has a mounting device.
- the mounting device has the function of receiving one of the two rim elements, preferably the first rim element, so that it is displaced in the axial direction.
- the mounting device locks in particular the two rim elements with each other, so that the measuring rim is preferably formed and the vehicle tire is particularly preferably received between the two rim elements.
- the mounting device has, for example, a mounting carriage, wherein the mounting carriage is guided in particular on at least one rail.
- the mounting device is operated electrically and / or pneumatically and / or hydraulically.
- the least a rail is particularly preferably arranged parallel to the second axis of rotation.
- the mounting device has an actuating module, wherein the actuating module is designed for locking the rim system.
- the actuation module is connected to the mounting carriage.
- the actuation module receives the first rim element in a first step, so that the first rim element is preferably connected to the actuation module.
- the mounting device in particular lifts off the first rim element in the axial direction from the second rim element and / or from the vehicle tire, so that preferably the two rim elements are spaced apart from one another.
- another vehicle tire to be tested is arranged coaxially with respect to the second axis of rotation between the two rim elements.
- the mounting device moves the first rim element again in the axial direction with respect to the second axis of rotation in the direction of the second rim element, so that preferably an underside of the vehicle tire contacts the second rim element and an upper side of the vehicle tires with the first rim element contacted.
- the actuating module closes the two rim halves with each other, so that in particular the vehicle tire is positively and / or non-positively and / or frictionally connected to the two rim elements and in particular the assembly process is completed.
- the mounting device has at least one press-off module for separating the tire from the first or the second rim element.
- the ejection module is in particular connected to the mounting carriage.
- the at least one press-off module has at least one punch, wherein the punch particularly preferably loads a tire sidewall of the vehicle tire with an axial force with respect to the second axis of rotation, so that the vehicle tire is separated in particular from the first rim element.
- the mounting device has a further ejection module with at least one further punch, wherein the ejection module in particular has an opposite tire sidewall with a force.
- the two Abdrückmodule are arranged parallel opposite each other and are particularly preferably activated simultaneously and / or simultaneously.
- the receiving device has a filling unit for filling the vehicle tire with compressed air.
- the filling unit fills the vehicle tire with compressed air.
- the tire pressure is at least 1 bar, preferably more than 2 bar, more preferably more than 5 bar, in particular more than 10 bar.
- the tire pressure is in particular less than 20 bar, preferably less than 8 bar, more preferably less than 4 bar, in particular less than 1 bar.
- the filling unit has a control module for regulating the air pressure during the test process of the vehicle tire.
- the control module is designed for monitoring the air pressure and / or for regulating the filling unit.
- the control module sets a constant air pressure during the duration of the test process, so that preferably the air pressure can be readjusted in the event of pressure loss.
- the Lastein direction on a load carriage wherein the load roller is rotatably mounted in the load carriage.
- the load carriage has an axle, wherein the load roller is preferably mounted on the axle.
- the axis lies in particular on the first axis of rotation and is preferably connected to the drive device.
- the load roller is fixedly connected to the axle, wherein the axle is in turn connected to a shaft of the drive means.
- the load carriage is displaceable in a sliding direction.
- the sliding direction points in the direction of the receiving device and / or in an opposite direction.
- the load carriage is arranged on at least one guide element, for example a rail.
- the load carriage slidably mounted on exactly two guide elements, wherein the two guide elements are, for example, two parallel spaced rails.
- the load carriage via a further drive means, such as a spindle drive, displaceable in a sliding direction, wherein the sliding direction particularly preferably in the direction of the receiving device and in an opposite direction.
- the test system has a tire magazine device for receiving at least one further vehicle tire, wherein the tire magazine device forms a buffer memory for further vehicle tires.
- the tire magazine device serves as a time-limited storage of at least one vehicle tire, so that at least one vehicle tire simultaneously with another vehicle tire, which e.g. is tested, in stock and can be pretreated particularly preferred for the test process.
- the tire magazine device is designed to receive at least one, preferably more than two, more preferably more than four, in particular more than eight tires. Particularly preferably, however, the tire magazine device is designed to receive exactly four vehicle tires.
- the test system has an input interface and an output interface, wherein the input interface for the introduction of the at least one vehicle tire and the output interface for the removal of the at least one vehicle tire are formed.
- the input interface and / or the output interface are connected to other systems of the production line and / or assembly line.
- the test system is designed for fully automatic and / or automatic testing of the at least one vehicle tire between the input and the output interface.
- the measuring device is automatically loaded with the vehicle tire and the testing process is carried out fully automatically and / or automatically.
- the test system has a pre-centering device for the defined positioning of the at least one vehicle tire.
- the Vorzentriervoriques has the function of the vehicle tire in a previously Align defined position, so that preferably the vehicle tire is in an ideal position for further steps.
- the positioning takes place fully automatically and / or automatically and / or simultaneously with the testing process of another vehicle tire.
- the test system has a soaping device for wetting a tire bead with a soap solution.
- the soaping device has the function of pretreating the vehicle tire so that an assembly of the vehicle tire with the receiving device takes place while reducing the friction, whereby in particular damage to the vehicle tire can be reduced.
- the wetting takes place fully automatically and / or automatically and / or simultaneously with the testing process of another vehicle tire and / or with the positioning of another vehicle tire.
- the pre-centering device and / or the soaping device are arranged between the input interface and the output interface.
- the pre-centering device is arranged in front of the soaping device, wherein the pre-centering device preferably automatically feeds the soaping device with the previously aligned vehicle tire.
- the measuring device is arranged after the soaping device, wherein the soaping device preferably automatically feeds the measuring device with the previously treated vehicle tire.
- the test system has at least one conveyor for transporting the vehicle tire.
- the conveyor has the function to automatically convey at least one vehicle tire in a conveying direction.
- the tire magazine device has at least one, preferably at least two, and / or the pre-centering device at least one and / or the soaping device at least one and / or the measuring device at least one conveying device.
- the respective conveyors are interconnected and / or connectable.
- the conveying device of the tire magazine device and / or the pre-centering device and / or soaping device and / or measuring device is designed as a common conveyor device.
- the conveying device is particularly preferred. vertically adjustable, so that in particular a height of the conveyor is adjusted.
- the conveyor has at least one conveyor belt, preferably two conveyor belts spaced apart from each other in parallel.
- the conveyor of the measuring device is adjustable in the vertical direction, so that preferably the vehicle tire can be positioned in the axial direction to the second axis of rotation.
- the vehicle tire by means of the conveyor on the first and / or second rim member can be placed and / or lifted.
- the input interface and the output interface are interconnected via the conveyor.
- the transport of the at least one vehicle tire takes place fully automatically and / or automatically in the conveying direction.
- the transport takes place from the input section via the tire magazine device and / or via the precentering device and / or via the sifting device and / or via the measuring device to the output interface, the sequence preferably corresponding to the conveying direction.
- a further conveying device is connected to the input interface and a second further conveying device is connected to the output interface, so that, in particular, the vehicle tire can be fed fully automatically to further processes and / or further systems.
- the input interface and the output interface are connected to the further conveyor, so that a closed circulation of the vehicle tire can be realized.
- the input section is formed by the tire magazine device and / or the output interface by the measuring device or the conveyor.
- the at least one conveyor of the tire magazine device forms the input interface.
- the conveying device of the measuring device forms the output interface.
- a conveyor connected to the measuring device forms the output interface.
- the test system has a test room.
- the test room is a test cell or a test cabin or a building room, eg an industrial hall.
- the test room has the input interface and / or the output interface.
- the test space is designed to accommodate at least one, preferably more than three, more preferably more than six, in particular exactly seven vehicle tires.
- the test system has a temperature control device.
- the temperature adjusting device is a temperature controller, which preferably automatically regulates a set temperature on the basis of a determined temperature value.
- the tire magazine device and / or the pre-centering device and / or the soaping device and / or the measuring device is arranged in the test room.
- the tire magazine device and / or the pre-centering device and / or the soaping device and / or the measuring device form a test bench, wherein preferably the input interface and the output interface, particularly preferred tire magazine device and / or Vorzentriervoriques and / or the soaping device and / or the measuring device on the at least one conveyor are connected together.
- the test stand forms a tire conditioning section, wherein the test bench is preferably arranged in the test room.
- the test room offers space for six further tires, so that it is preferably ensured with a test cycle time of half an hour that each tire was tempered in accordance with ISO 28580 for three hours before the rolling resistance measurement.
- the temperature of the test room is adjustable by means of the temperature control device.
- the test chamber is thermally sealed, so that preferably there is a constant temperature in the test chamber.
- the temperature is at least 15 ° C, preferably more than 20 ° C, more preferably more than 35 ° C, especially more than 45 ° C.
- the Temperature less than 60 ° C, preferably less than 40 ° C, more preferably less than 30 ° C, especially less than 25 ° C.
- the temperature particularly preferably corresponds to the requirements of ISO 28580.
- Figure 1 is a perspective view of a test bench as an embodiment of the invention
- Figure 2 is a tire magazine device of the test stand in the same representation as in Figure 1;
- FIG. 3 shows a pre-centering device and a soaping device of the test stand and a mounting device of a measuring device of the test stand in the same illustration as in FIG. 1;
- Figure 4 is a perspective view of a receiving device and a
- Figure 5 is a plan view of the test stand with the Reifenmagazin-, the Vorzentrier-, the soap and the measuring device.
- Figure 6 is a perspective view of a complete test system with a test room and an operating device
- Figure 7 shows a longitudinal section through the test room with the test room in a perspective view.
- FIG. 1 shows a perspective view of a test stand 1, comprising a tire magazine device 2, a pre-centering device 4, a soaping device 5 and a measuring device 6.
- the tire magazine device 2 has a first and a second conveyor 3a, b.
- the tire magazine device 2 is designed, for example, to receive four vehicle tires, wherein two vehicle tires are arranged and / or can be arranged on the first conveyor 3a and two vehicle tires are arranged on the second conveyor 3b.
- the tire magazine device 2 serves as a kind of storage for vehicle tires to be tested.
- the pre-centering device 4 adjoins the tire magazine device 2, the pre-centering device 4 having a third conveyor 3c.
- the Vorzentriervoriques 4 is adapted to receive a further vehicle tire, preferably a fifth vehicle tire.
- the first or the second conveyor 3a, b transports one of the vehicle tires in the direction of the Vorzentriervorraum 4, wherein the third conveyor 3c receives the vehicle tire and wherein the vehicle tire is aligned in the Vorzentriervorides 4 in a defined position.
- the soaping device 5 adjoins the precentering device 4.
- the soaping device 5 and the measuring device 6 have a fourth conveyor 3d, wherein the fourth conveyor 3d forms a common conveyor.
- the soaping device 5 is designed to receive a further vehicle tire, preferably a sixth vehicle tire.
- the third conveyor 3 c transports one of the vehicle tires in the direction of the soaping device 5, the fourth conveyor 3d taking over the vehicle tire from the pre-centering device 4.
- the vehicle tire e.g. a tire bead or tire inside, wetted with a soap solution.
- the measuring device 6 adjoins the soaping device 5.
- the measuring device 6 is designed to receive a further vehicle tire, preferably a seventh vehicle tire.
- the fourth conveyor 3d transports one of the vehicle tires in the direction of the measuring device 6.
- the measuring device 6 comprises a load device 7, a receiving device 12 and a mounting device 1 1st
- the Lastein device 7 has a load roller 8, wherein the load roller 8 is rotatably mounted in a load carriage 9. Furthermore, the measuring device 6 has a first drive device 10a.
- the first drive means 10a e.g. an electric motor is connected to the load roller 8 geared.
- the first drive device 10a transmits, for example, a torque to the load roller 8, so that the load roller 8 is set in a rotational movement.
- the load roller 8 defines a first rotation axis R1, wherein, for example, a shaft of the first drive means 10a is arranged coaxially with the load roller 8 on the first rotation axis R1 and is rotatably connected to the load roller 8.
- the load roller 8 is offset via the first drive device 10a into a rotational movement in the direction of rotation with respect to the first rotation axis R1.
- the receiving device 12 defines a second axis of rotation R2, wherein the mounting device 1 1 is arranged coaxially to the second axis of rotation R2.
- the receiving device 12 receives one of the vehicle tires, wherein the recording is fully automatic.
- the mounting device 1 1 is axially displaceable to the rotation axis R2.
- the mounting device 1 1 locks or unlocks the receiving device 12 so that a vehicle tire is picked up or returned.
- Figure 2 shows in a perspective view of the tire magazine device 2 with the first and second conveyor 3a, b.
- the first and the second conveyor 3a, b are formed by two parallel spaced apart conveyor belts 14, eg belt conveyors.
- the conveyor belts 14 have, for example, for a better adhesion of a conveyor object, on the outside of a profiling, eg webs on.
- the first conveyor 3a has a first and a second tire 13a, b and the second conveyor a third and a fourth tire 13c, d, wherein the tires 13a, b, c, d are indicated schematically.
- the tire magazine device 2 has an adjusting device 15.
- the first and the second conveyor 3a and 3b are connected to the adjusting device 15, for example, positively and / or cohesively and / or non-positively.
- the adjusting device 15 is formed by a plate, wherein the two conveyors 3a, b are mounted parallel to each other at the plate.
- the adjusting device 15 is vertically adjustable via two mutually spaced rail modules 16. As shown in FIG. 1, the tire magazine device 2 is adjoined by the pre-centering device 4, whereby either the first or the second conveyor 3a, b can feed the pre-centering device 4.
- the two conveyors 3a, b are adjusted by means of the adjusting device 15 in the vertical direction, so that a corresponding loading of Vorzentriervor substances 4 takes place.
- FIG. 3 shows in a perspective view the pre-centering device 4, the soaping device 5 and the mounting device 11.
- the third and the fourth conveyor 3c, d are, as already described in Figure 2, also each formed by two conveyor belts 14.
- the Vorzentriervorraum 4 has a fifth tire 13e, only partially indicated schematically on.
- the fifth tire 13e is aligned in the pre-centering device 4 for further treatment by the soaping device 5.
- the fourth conveyor 3d is vertically, for example by a further adjusting device, adjustable so that the fourth conveyor 3d to the same height as the Vorzentriervortechnik 4 and the third conveyor 3c is adjustable.
- the soaping device 5 has a sixth tire 13f, which is pretreated by the soaping device 5 for the measuring device 6, so that, for example, assembly of the tire in the subsequent testing process on the receiving device 12 is facilitated and the material stress of the tire is thus reduced.
- the fourth conveyor 3d has a seventh tire 13g.
- the seventh tire 13g as shown in Figure 1, recorded fully automatically by the receiving device 12 and then carried out a rolling resistance measurement.
- the mounting device 1 1 is arranged on a mounting carriage 17, wherein the mounting carriage 17 by means of another rail module in the vertical direction is adjustable, so that the mounting device 11, as shown in Figure 1, axially to the second axis of rotation R2 is arbitrarily positionable. Furthermore, the mounting device 11, an actuating module 18 and a Abdrückmodul 19.
- the actuating module 18 locks the receiving device 12 as soon as, for example, the seventh tire 13 g is received in the receiving device 12.
- the Abdrückmodul 19 is formed as a kind of stamp which acts on the vehicle tire, such as the tire sidewall, in the axial direction with respect to the second axis of rotation R2 with a force.
- the vehicle tire is pressed off at the same time as the mounting carriage 17 moves the first rim element 20a away from the second rim half 20b in the axial direction.
- Figure 4 shows in a perspective view of the receiving device 12 and the Lastein device 7 of the measuring device 6.
- the receiving device 12 has a first and a second rim member 20a, b, e.g. two rim halves, on, wherein the two rim elements 20a, b form a split rim locking system.
- the two rim elements 20a, b are mounted coaxially with each other with respect to the second rotational axis R2.
- the two rim elements 20a, b are separable from each other, so that a vehicle tire between the two rim elements 20a, b can be arranged.
- the actuation module 18, from FIG. 3 receives the first rim element 20a.
- the mounting carriage 17 shifts the first rim member 20a axially away from the second rim member 20b so that the two rim members 20a, b are spaced from each other.
- the fourth conveying device 3d see FIG. 3, a vehicle tire is transported in the direction of the second rotational axis R2, so that it is arranged coaxially to the second rotational axis R2.
- the fourth conveyor 3d is adjusted vertically, so that a bottom of the vehicle tire rests on the second rim member 20b.
- the mounting carriage 17 moves the actuating module 18 together with the first rim element 20a in the direction of the vehicle tire, so that the first rim element 20a rests on an upper side of the vehicle tire.
- the actuation module 18 closes the two rim elements 20a, b with one another so that the vehicle tire is arranged in a rotationally fixed manner between the two rim elements 20a, b.
- the receiving device 12 is designed to fill the vehicle tire with a compressed air, so that a certain tire pressure is adjustable.
- the two rim elements 20a, b are again separated from each other, wherein the Abdrückmodul 19 simultaneously applied to the vehicle tire with a force.
- the receiving device 12 has a measuring spindle 21, wherein the two rim elements 20a, b are arranged on the measuring spindle 21.
- the lower rim member 20b is fixedly connected to the measuring spindle 21.
- the measuring device 6 has a second drive device 10b and at least one adjusting device 23.
- the second drive means 10b and the actuator 23 form a common drive means, e.g. an electric motor.
- the adjusting device 23 is arranged separately from the second drive device 10b.
- the second drive device 10b is connected to the measuring spindle 21 in terms of transmission technology.
- the second drive device 10b transmits a torque to the receiving device 12, so that, for example, the vehicle tires in a rotational movement in the circumferential direction with respect to the second rotational axis R2 is offset.
- the vehicle tire is offset in an opposite or a rectified direction of rotation as the load roller. 8
- the adjusting device 23 is connected to the measuring spindle 21.
- the adjusting device 23 and / or the second drive device 10b for tilting the receiving device 12 and / or for adjusting the jaw width of the receiving device 12 and / or for displacing the receiving device 12 in a rotational movement in the circumferential direction with respect to the second rotational axis R2.
- the measuring device 6 has at least one further adjusting device, in particular exactly three adjusting devices.
- the adjusting device 23 tilts the receiving device 12 with the vehicle tire, particularly preferably the second rotational axis R2, to the first rotational axis R1, so that a fall of the vehicle tire is simulated.
- the adjusting device 23 adjusts the outside diameter of the two rim elements 20a, b in the radial direction with respect to the second rotational element. onsachse R2.
- the measuring device 6 has at least one first and one second force detection device 22a, b.
- the first force detecting device 22a is connected to the measuring spindle 21, and the second force detecting device 22b is connected to the adjusting device 23.
- the two force detection devices 20a, b have a force sensor, wherein the two force detection devices 20a, b are designed to detect a wheel contact force.
- the mounting carriage 9 of the load device 7 is mounted on at least one guide module 24, e.g. two mutually parallel rails, stored, so that the load device 7 and the Lostrolle 8 in the direction of the receiving device 12 is displaceable.
- FIG. 5 shows a plan view of the test stand 1 with the tire magazine device 2, the precentering device 4, the soaping device 5 and the measuring device 6.
- FIG. 5 schematically shows a vehicle tire 13 in various positions.
- the test stand 1 defines a conveying direction F, the conveying direction F extending from the tire magazine device 2 in the direction of the measuring device 6.
- the vehicle tire 13 In a first position, the vehicle tire 13 is picked up by the tire magazine device 2 by means of the first or second conveyor 3a, b and conveyed in the direction of the pre-centering device 4. For example, the vehicle tire 13 lingers at any position for 0.5 hours until a change to the next position takes place. More preferably, the vehicle tire 13 changes position three times overall within the tire magazine device 2, so that there is a residence time of 2 hours for the vehicle tire 13 in the tire magazine device 2.
- the vehicle tire 13 is transferred into the Vorzentriervoriques 4, wherein the vehicle tire 13 is taken over by the third conveyor 3c and is brought into a defined position. Overall, the vehicle tire 13 lingers for 0.5 hours in the pre-centering device 4 via the third conveyor 3c the vehicle tire 13 is conveyed in the direction of the soaping device 5, wherein the vehicle tire 13 is taken over by the fourth conveyor 3d.
- the tire e.g. the tire bead
- the vehicle tire 13 is then transferred via the fourth conveyor 3d in the direction of the measuring device 6, wherein the vehicle tire 13 in the receiving device 12, as shown in Figure 1, is taken.
- the load device 7 is moved in a sliding direction S, e.g. hydraulically and / or electrically and / or pneumatically.
- the displacement in the sliding direction S takes place in or against the direction of the vehicle tire 13 and the receiving device 12 via the guide modules 16.
- the load device 7 is shifted so far in the direction of the vehicle tire 13 until the load roller 8 contacted the tire and / or a defined Radaufstandskraft is reached, which particularly preferably on the two force detection devices 22a, b, as shown in Figure 4, is detected.
- a new tire is subsequently conveyed so that, for example, a tire is always provided at each position.
- the vehicle tire 13 is further discharged in the conveying direction F, and a new tire is conveyed via the tire magazine device 2.
- FIG. 6 shows a perspective view of a complete test system 25, wherein the test system 25 has a test chamber 26, eg test cell, for receiving the test rig 1.
- the test system 25 has an operating device 27, wherein the operating device 27 is arranged on an outer side of the test chamber 26.
- the entire testing system 25 can be controlled and / or monitored via the operating device 27.
- the operating device 27 is designed to control a test chamber temperature within the test chamber 26.
- at least one temperature sensor for detecting the test chamber temperature is arranged in the test space 25.
- Via the operating device 27 is a desired test room temperature, for example 25 ° C, adjustable.
- FIG. 7 shows a longitudinal section through the test space 26 with the test stand 1.
- the test space 26 has an input interface 28a and an output interface 28b.
- the input interface 28a and the output interface 28b are each formed as an opening in an outer wall of the testing room 26.
- the input interface 28a is formed by the tire magazine device 2, wherein, for example, another system of an assembly and / or production line has a further output interface, wherein the further output interface is connected to the input interface 28a.
- the output interface 28b is formed by the measuring device 6, in particular by the third conveyor 3d, wherein, for example, another system of the assembly and / or production line has a further input interface, wherein the further input interface is connected to the output interface 28b.
- the input interface 28a is connected to one another via the tire magazine device 2, the precentering device 4, the soaping device 5 and measuring device 6, in particular their conveying devices, the testing system 25 for fully automatic and / or automatic testing of the at least one vehicle tire 13 between the input and output interface 28a , b is formed.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tires In General (AREA)
- Testing Of Balance (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016209325.8A DE102016209325A1 (de) | 2016-05-30 | 2016-05-30 | Prüfsystem zur Prüfung des Rollwiderstands mindestens eines Fahrzeugreifens sowie ein Verfahren zur Prüfung des Rollwiderstandes des Fahrzeugreifens |
| PCT/EP2017/060001 WO2017207180A1 (de) | 2016-05-30 | 2017-04-27 | Prüfsystem zur prüfung des rollwiderstands mindestens eines fahrzeugreifens sowie ein verfahren zur prüfung des rollwiderstandes des fahrzeugreifens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3465133A1 true EP3465133A1 (de) | 2019-04-10 |
Family
ID=58640879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17720105.0A Withdrawn EP3465133A1 (de) | 2016-05-30 | 2017-04-27 | Prüfsystem zur prüfung des rollwiderstands mindestens eines fahrzeugreifens sowie ein verfahren zur prüfung des rollwiderstandes des fahrzeugreifens |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11035757B2 (de) |
| EP (1) | EP3465133A1 (de) |
| JP (1) | JP2019519771A (de) |
| DE (1) | DE102016209325A1 (de) |
| WO (1) | WO2017207180A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016202334A1 (de) * | 2016-02-16 | 2017-08-17 | Zf Friedrichshafen Ag | Unterbaugruppe für eine Antriebseinheit, Antriebseinheit, Antriebsstrangprüfstand und Baukastensystem |
| TWI628424B (zh) * | 2017-11-08 | 2018-07-01 | 曄中科技有限公司 | Tire rolling resistance tester |
| WO2019111184A1 (en) * | 2017-12-05 | 2019-06-13 | Ali Samadi | Rubber footprint and rolling resistance measurement |
| CN110132585B (zh) * | 2019-06-20 | 2021-07-02 | 山东理工大学 | 一种基于虚拟仪器和动静态垂向加载装置的电动轮综合试验台 |
| DE102019216750A1 (de) * | 2019-10-30 | 2021-05-06 | Zf Friedrichshafen Ag | Prüfstand |
| DE102020208040B4 (de) | 2020-06-29 | 2024-08-22 | Zf Friedrichshafen Ag | Verstellbare Prüflingsaufnahme für einen Antriebsstrangprüfstand und Antriebsstrangprüfstand |
| DE102020209547A1 (de) * | 2020-07-29 | 2022-02-03 | Zf Friedrichshafen Ag | Lauftrommelanordnung für einen Reifenprüfstand, Reifenprüfstand und Verfahren zum Prüfen von Fahrzeugreifen |
| CN112485026B (zh) * | 2021-01-18 | 2022-02-18 | 上海褚序汽车用品有限公司 | 一种用于汽车轮胎安全检测的安检装置 |
| CN112985849B (zh) * | 2021-04-01 | 2024-05-14 | 中信戴卡股份有限公司 | 一种用于汽车底盘模拟路试的疲劳试验设备 |
| KR20240024395A (ko) | 2022-08-16 | 2024-02-26 | 현대자동차주식회사 | 웜업 불충분 상태에서 주행저항 결정방법 |
Citations (1)
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|---|---|---|---|---|
| US20140332348A1 (en) * | 2013-05-08 | 2014-11-13 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.) | Tire testing machine conveyor |
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|---|---|---|---|---|
| JPS51150186U (de) * | 1975-05-26 | 1976-12-01 | ||
| KR960000995B1 (ko) * | 1987-06-12 | 1996-01-15 | 이글 피쳐 인더스트리즈 인코포레이티드 | 물체 균일 측정 장치 및 방법 |
| DE3905475C2 (de) * | 1989-02-22 | 1994-09-08 | Hofmann Gmbh & Co Kg Maschinen | Verfahren zum Prüfen von Luftreifen |
| US5291776A (en) * | 1992-04-13 | 1994-03-08 | Akron Special Machinery | Tire inflation regulator for tire uniformity machine |
| US5323646A (en) * | 1992-08-27 | 1994-06-28 | Akron Special Machinery, Inc. | Frictionless carriage for tire uniformity machine loadwheel carriage |
| JPH0684344U (ja) * | 1993-05-19 | 1994-12-02 | 株式会社ブリヂストン | 多段リム |
| JPH1114490A (ja) * | 1997-06-20 | 1999-01-22 | Bridgestone Corp | タイヤユニフォミティ測定修正装置 |
| US6016695A (en) * | 1997-01-24 | 2000-01-25 | Illinois Tool Works Inc. | Tire uniformity testing system |
| US6658936B2 (en) * | 2001-03-08 | 2003-12-09 | Kokusai Keisokuki Kabushiki Kaisha | Apparatus and method for measuring uniformity and/or dynamic balance of tire |
| WO2003019130A1 (fr) * | 2001-08-21 | 2003-03-06 | Societe De Technologie Michelin | Machine et procede de controle d'une enveloppe |
| JP4351566B2 (ja) * | 2004-03-26 | 2009-10-28 | 住友ゴム工業株式会社 | 空気入りラジアルタイヤ |
| US7140242B1 (en) * | 2004-07-22 | 2006-11-28 | Akron Special Machinery | Lateral load tire testing system |
| JP4473907B2 (ja) * | 2007-12-12 | 2010-06-02 | 株式会社神戸製鋼所 | ポストキュアインフレータおよびそのリム交換方法並びにリム |
| JP2009222639A (ja) * | 2008-03-18 | 2009-10-01 | Kobe Steel Ltd | タイヤ試験装置及びタイヤ試験方法 |
| JP2010042645A (ja) * | 2008-08-18 | 2010-02-25 | Bridgestone Corp | 塗布装置及び塗布方法 |
| JP5001345B2 (ja) * | 2009-12-16 | 2012-08-15 | 株式会社小野測器 | タイヤ試験装置 |
| JP5399979B2 (ja) * | 2010-06-07 | 2014-01-29 | 株式会社小野測器 | タイヤ試験装置 |
| EP2793013B1 (de) | 2013-04-19 | 2016-02-10 | Snap-on Equipment Srl a unico socio | Automobil-Wartungs-Werkstattvorrichtung mit Mitteln zur Bestimmung des Rollwiderstandsbeiwertes eines Reifens |
| US9032789B2 (en) * | 2013-04-19 | 2015-05-19 | Snap-On Equipment Srl A Unico Socio | Automotive shop service apparatus having a means for determining the rolling resistance coefficient of a tyre |
| JP6386247B2 (ja) * | 2014-04-01 | 2018-09-05 | 株式会社神戸製鋼所 | タイヤ試験機 |
| JP6657520B2 (ja) * | 2016-02-03 | 2020-03-04 | 株式会社神戸製鋼所 | タイヤ試験装置のタイヤ空気充填機構及びタイヤ空気充填方法 |
-
2016
- 2016-05-30 DE DE102016209325.8A patent/DE102016209325A1/de not_active Withdrawn
-
2017
- 2017-04-27 US US16/305,494 patent/US11035757B2/en not_active Expired - Fee Related
- 2017-04-27 JP JP2018562511A patent/JP2019519771A/ja active Pending
- 2017-04-27 EP EP17720105.0A patent/EP3465133A1/de not_active Withdrawn
- 2017-04-27 WO PCT/EP2017/060001 patent/WO2017207180A1/de not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140332348A1 (en) * | 2013-05-08 | 2014-11-13 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.) | Tire testing machine conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017207180A1 (de) | 2017-12-07 |
| DE102016209325A1 (de) | 2017-11-30 |
| JP2019519771A (ja) | 2019-07-11 |
| US11035757B2 (en) | 2021-06-15 |
| US20190204185A1 (en) | 2019-07-04 |
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