KR101512410B1 - Automatic Brake Rotor Drag Force Tester - Google Patents

Abstract

The present invention relates to an automatic brake rotor drag force measuring device for a vehicle and is provided with a rotor drag force measuring device for measuring a rotor drag force torque by a brake disc 10 installed on an axle 11 of a vehicle V A level and an inclination angle adjusting station 120 installed at an upper side of the main body 110 such that the upper and lower positions and angles thereof can be adjusted by the position angle adjusting means 130; A rotation axis 150 installed on the level and inclination adjusting station 120 and coupled to the axle end of the axle connecting means 140 detachably coupled to the axle 11, A rotation driving means 153 installed on the regulating station 120 and connected to the opposite end of the rotating shaft 150 via a constant velocity joint 152 to transmit a driving force to the axle 11; The constant velocity A torque sensor 160 installed between the engine 152 and the rotation driving means 153 for measuring the torque of the rotor drag force according to the driving of the rotation driving means 153, And controls the rotation speed and the rotation speed of the rotation driving means 153 so as to be sequentially increased or decreased according to a predetermined time interval and a rotation number interval. The torque sensor 160 A main controller 170 for controlling the position and angle adjusting unit 130 to adjust a vertical position and an angle of the level and tilt angle adjusting station 120; And an automatic brake rotor drag force measurement device (100) for a vehicle.

Description

[0001] The present invention relates to an automatic brake rotor drag force measuring device,

The present invention relates to an automatic brake rotor drag force measuring device for a vehicle and is provided with a brake disk 10 installed on an axle 11 of a vehicle V and a rotor drag 10 for measuring a brake rotor drag force torque A level and an inclination angle adjusting station 120 installed at an upper side of the main body 110 such that the upper and lower positions and angles thereof can be adjusted by the position angle adjusting means 130, A rotation shaft 150 installed on the level and tilt angle adjusting station 120 and having an axle connecting means 140 detachably coupled to the axle 11 coupled to the axle end, The rotation driving unit 150 is installed on the level and tilt angle adjusting station 120 and is coupled to the opposite end of the rotating shaft 150 through a constant velocity joint 152 to transmit a driving force to the axle 11. [ A torque sensor installed between the constant velocity joint and the rotary drive means for measuring the torque of the rotor drag force according to the driving of the rotary drive means, And controls the rotation and the rotation speed of the rotation driving means 153 so as to sequentially increase or decrease in accordance with a predetermined time interval and a rotation number interval, And controls the position and angle adjusting means 130 to adjust the up and down positions and angles of the level and tilt angle adjusting station 120, A main control unit 170; And an automatic brake rotor drag force measurement device (100) for a vehicle.

Generally, a braking device of an automobile is used for decelerating, stopping or stopping a motor vehicle while driving, and a friction brake has been mainly used, which converts kinetic energy during running into thermal energy by a mechanical friction device, This is a method of releasing frictional heat into the atmosphere and braking.

BACKGROUND ART [0002] High-performance brakes have been developed to such an extent that they can not be compared with initial brakes due to development of brake mechanisms and improvement of performance of friction materials and the like in recent years. Brakes other than the friction brakes are also developed as auxiliary brakes to complement the action of the main brakes. In addition, a braking force control device is used to reduce the operation force of the brake. In order to secure the stability of the vehicle at the time of braking, the brake is approaching an ideal brake with high stability and less fatigue of the driver.

In addition, it is required to perform sufficient braking action with respect to the maximum speed and the weight of the vehicle, to have high reliability and durability, and to be sure to operate.

As a device relating to the measurement of such a brake, a "measuring device for a brake disk for a vehicle (Korean Patent Registration No. 10-1329857)" of Patent Document 1 is provided with a base portion constituting a bottom surface, A rotation driving unit installed at a lower portion of the rotation unit to apply a rotational driving force to the rotation unit and a rotation driving unit installed movably in the other upper side of the base unit to measure the measured object, And a transfer unit installed on one side of the measurement unit for transferring the measurement unit. In this way, the measurement is carried out while rotating the object in a state in which the object to be measured is placed on the upper end of the rotation unit, Runout, thickness deviation, cylinder degree, concentricity, flatness and frequency analysis can be precisely measured. It is disclosed a configuration that provides the effect.

However, such a conventional invention can be measured only in the case of a brake disc in a state of a component state or a brake disc which is detached from a brake disc in a state where the brake disc is engaged with the brake pad, which is caused by a failure of the caliper piston to return to the original position after braking. There is a problem in that it is impossible to measure the rotor drag force torque due to the contact of the rotor friction surface.

On the other hand, as a conventional invention for measuring the above-mentioned rotor drag fork torque, in the "apparatus for measuring the degree of drag of a disk rotor for an automotive disk brake" (Japanese Utility Model Registration No. 20-0144496) of Patent Document 2, A socket having a bolt for coupling the disk rotor to the hub is radially coupled to one side and a rectangular groove for mounting a torque wrench is formed at the other side of the side, So that it can be measured with the naked eye to prevent premature wear of the friction member and thermal deformation of the disk rotor.

However, although the conventional invention of Patent Document 2 can measure the degree of dragging with the brake disk mounted on the vehicle, the numerical value of the torque wrench is visually checked by measuring the degree of dragging by manually operating the torque wrench And there is a problem in that it is impossible to measure the degree of attraction when the axle rotates as in the actual case.

Patent Document 1: Korean Patent No. 10-1329857 Patent Document 2: Korean Utility Model Registration No. 20-0144496

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems of the prior art and it is an object of the present invention to provide a vehicle automatic brake rotor drag capable of automatically measuring a brake rotor drag force in various rotational speed ranges from a low speed range to a high speed range, A force measuring device is provided.

Further, it is possible to provide an automatic brake rotor drag force measurement device for a vehicle, which is capable of adjusting the vertical position and angle of the level and tilt angle adjustment station 120 so as to adjust the engagement position and angle of the axle and the rotation axis, We do thing as problem.

It is another object of the present invention to provide an automatic brake rotor drag force measuring device for a vehicle capable of automatically performing an automatic measurement position search function for automatically detecting a position and angle of engagement between an axle and a rotary shaft and then adjusting the position and the angle to an accurate measurement position.

In order to achieve the above object, an automatic brake rotor drag force measurement device for a vehicle according to the present invention comprises a rotor (10) for measuring a rotor drag force torque by a brake disk (10) installed on an axle (11) A drag force measuring apparatus comprising: a main body 110; a level and inclination adjusting station 120 installed at an upper side of the main body 110 such that the upper and lower positions and angles thereof can be adjusted by a position angle adjusting means 130; A rotary shaft 150 installed on the level and tilt angle adjusting station 120 and having an axle connecting means 140 detachably coupled to the axle 11 to be coupled to the axle direction end; Rotation driving means installed on the level and inclination adjusting station 120 and coupled to the opposite end of the rotating shaft 150 via a constant velocity joint 152 to transmit a driving force to the axle 11 One A torque sensor (not shown) installed between the constant velocity joint 152 and the rotation driving means 153 for measuring the torque of the rotor drag force as the rotation driving means 153 is driven And controls the rotation and the rotation speed of the rotation driving means 153 so as to sequentially increase or decrease in accordance with a predetermined time interval and a rotation number interval, And controls the position and angle adjusting means 130 to adjust the vertical position and the angle of the level and tilt angle adjusting station 120 A main controller 170; And a hydraulic controller 180 for controlling the hydraulic pressure supplied from the hydraulic pressure supply source 181 to the brake cylinder 20 provided on the axle 11 of the vehicle V under the control of the main controller 170 ); And a control unit.

The torque sensor 160 may be a non-contact type torque sensor. The position angle adjusting means 130 may include a first and a second torque sensor 160 for adjusting the vertical and vertical positions of the level and tilt angle adjusting station 120, And a second vertical adjustment unit 132 for adjusting the vertical position of the level and tilt angle adjustment station 120 in the direction opposite to the axle axis.

The first vertical adjustment means 131 includes a first driving means 131a installed on the main body 110 and rotationally driven under the control of the main controller 170, The first driving means 131a and the second driving means 131b are respectively provided at the front and rear sides of the lower side of the axle control station 120 in the axle direction and the rotational driving force of the first driving means 131a is transmitted through the first driving transmitting means 131b, A first driven rotation shaft 131c having threads formed along the periphery of the first and second driven shafts 131a and 131b and a second driven rotation shaft 131b provided on the front and rear sides of the lower and the rear sides of the level and tilt angle adjustment station 120, A first adjusting block 131d which is vertically driven by the rotation of the first driven rotation shaft 131c, and a second adjusting block 131d which is vertically driven so as to be threadedly engaged with the first adjusting block 131c, The first block connecting the block 131d And a second connecting shaft 131e which are respectively installed at the front and rear sides of the level and tilt angle adjusting station 120 below the axle direction and both ends of the first connecting shaft 131e are rotatably supported And a first shaft fixing means (131f) installed,

The second vertical adjustment means 132 includes a second driving means 132a installed on the main body 110 and rotationally driven under the control of the main controller 170, The driving force of the second driving means 132a is transmitted through the second driving transmitting means 132b and is rotationally driven. A second driven rotation shaft 132c having a thread formed along the periphery of the first and second driven rotation shafts 132a and 132b, A second adjusting block 132d formed with screw holes vertically penetrating the first and second driven shafts 132c and 132c so as to be threadedly engaged and driven in accordance with rotation of the second driven shafts 132c; Connecting the adjustment block 132d The second connecting shaft 132e and the second connecting shaft 132e are respectively installed at the front and rear of the lower side of the axle direction of the level and tilt angle adjusting station 120, And a second shaft fixing means 132f supported and installed.

In addition, the main controller 170 may maintain the rotation speed of the rotation driving means 153 at a predetermined measurement position seek rotational speed, and may control the position angle adjusting means 130 to adjust the level and the tilt angle The torque sensor 160 measures the torque of the rotor drag force while sequentially changing the vertical position and the angle of the station 120 at predetermined intervals and then measuring the torque of each rotor drag force measured by the torque sensor 160. [ The level and tilt angle adjustment station 120 having the minimum value among the torque values is selected as the measurement position and the upper and lower positions and angles of the level and tilt angle adjustment station 120 are controlled to control the position angle adjustment means 130 And an automatic measurement position search function to position the measurement position at the measurement position.

The caster 111 is installed at three or more places in the lower portion of the main body and has a caster lock 112 for fixing. The caster 111 is detachably coupled to the level and tilt angle adjusting station 120, A drive unit cover 145 covering the rotation shaft 150, the constant velocity joint 152, the torque sensor 160, and the rotation drive unit 153; Further comprising:

The axle connecting means 140 includes a fastening through-hole flange 141 formed with elongated fastening holes 141a at predetermined angular intervals, a fastening hole 141 formed continuously with the fastening hole flange 141, And a cylindrical portion 142a which is elastically supported by the elastic means 144 in the cylinder portion 142 so as to be interchangeable with the axle hub portion 12a of the axle 11, And a contact centering piston (143) formed in the direction of the axle (11).

The present invention solves the problems of the prior arts, and reproduces actual vehicle travel conditions from a low speed range to a high speed range with the brake disk attached to the vehicle, and automatically measures the brake rotor drag force in various ranges of speed Based on these accurate measurement results, it is possible to improve the fuel economy, extend the life of the brake rotor and the pad, and improve the maintenance of the vehicle to reduce dust generation due to pad wear.

In addition, the level and inclination angle adjusting station 120 can be vertically positioned and angled so that the engaging positions and angles of the axle and the rotational axis are matched to minimize the rotational resistance, thereby enabling efficient and accurate measurement.

On the other hand, there is an effect that it is possible to perform an automatic measurement position search function of automatically searching for the position and angle of engagement between the axle and the rotary shaft, and then adjusting the position and angle of the axle to an accurate measurement position.

Further, since the main body can be easily moved and fixed, it is not only easy to use,

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an overall perspective view of an automatic brake rotor drag force measuring device for a vehicle according to an embodiment of the present invention; Fig.
2 is a front view of an automatic brake rotor drag force measuring device for a vehicle according to an embodiment of the present invention;
3 is a vehicle side view of an automatic brake rotor drag force measurement device for a vehicle according to an embodiment of the present invention.
4 is a top view of an apparatus for measuring an automatic brake rotor drag force according to an embodiment of the present invention;
5 is a side view of a main portion of an automatic brake rotor drag force measurement device for a vehicle according to an embodiment of the present invention;
6 is a perspective view of a main portion of an automatic brake rotor drag force measurement device for a vehicle according to an embodiment of the present invention;
7 is a schematic diagram showing a process of adjusting a measurement position of an automatic brake rotor drag force measurement device for a vehicle according to an embodiment of the present invention;
8 is a schematic diagram showing a case where the automatic brake rotor drag force measuring device for a vehicle according to the embodiment of the present invention is installed at two or more positions.
9 is a structural block diagram of an automatic brake rotor drag force measuring device for a vehicle according to an embodiment of the present invention.
10 is a view showing a display screen according to an operation of an automatic brake rotor drag force measuring device for a vehicle according to an embodiment of the present invention;
11 is an external perspective view of an axle connecting means of an automatic brake rotor drag force measuring device for a vehicle according to an embodiment of the present invention;
12 is a sectional view of an axle connecting means of an automatic brake rotor drag force measuring device for a vehicle according to an embodiment of the present invention;
13 is an exploded perspective view of an axle connecting means of an automatic brake rotor drag force measuring apparatus for a vehicle according to an embodiment of the present invention;
14 is a schematic diagram showing a center-to-center connection process of an axle connecting means of an automatic brake rotor drag force measuring device for a vehicle according to an embodiment of the present invention;
15 is a schematic view showing a process of being coupled to axle hub axes of various sizes of an axle connecting means of an automatic brake rotor drag force measuring device for a vehicle according to an embodiment of the present invention;

Hereinafter, an apparatus for measuring an automatic brake rotor drag force according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts are denoted by the same reference numerals whenever possible. In describing the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

The drag force torque to be measured in the present invention is a drag force due to the contact between the brake pad and the rotor friction surface (brake disk surface) caused by the failure of the caliper piston to return to the home position after braking, Torque.

1 and 9, the vehicle automatic brake rotor drag force measuring apparatus 100 according to the present invention includes a main body 110, a level and inclination adjusting station 120, a position angle adjusting means 130, And includes a connecting means 140, a rotating shaft 150, a rotation driving means 153, a torque sensor 160 and a main controller 170.

First, the main body 110 will be described with reference to FIG. 1. As shown in FIG. 1, the main body 110 has a function of a base for installing each component of the vehicle automatic brake rotor drag force measuring apparatus 100 of the present invention I have. 1 and 3, the main body 110 is installed at three or more places below the main body 110 and includes a caster lock 112 for fixing the main body 110 And a caster (111) for rotating the caster.

Next, the level and tilt angle adjustment station 120 will be described. The level and tilt angle adjustment station 120 has the function of a platform on which the rotation axis 150, the torque sensor 160, and the rotation drive means 153 are installed, as shown in FIG. 1 and 7, the level and tilt angle adjusting station 120 is installed on the upper side of the main body 110 such that the upper and lower positions and angles thereof can be adjusted by the position angle adjusting means 130. [

Next, the position angle adjusting means 130 will be described. As shown in FIGS. 1 and 7, the position angle adjusting means 130 has a function of adjusting the vertical position and angle of the level and tilt angle adjusting station 120. 5 and 7, the position angle adjusting means 130 includes first up-down adjusting means 131 for adjusting the vertical position of the level and tilt angle adjusting station 120 in the axle direction, And a second vertical adjustment unit 132 for adjusting the vertical position of the level and tilt angle adjustment station 120 in the direction opposite to the axle axis. In this case, the embodiment in which the first up-down adjustment unit 131 and the second up-down adjustment unit 132 are implemented to have the above-described function may be implemented by a mechanical drive system, an electric drive system using a servo motor or the like, A driving method to be used, and the like.

6, the first up-down adjustment means 131 and the second up-down adjustment means 132 are arranged in such a manner that they are rotated at a relatively low speed, It is preferable to have a configuration for converting the motion into a vertical motion (linear motion). 6, the first up / down control unit 131 includes a first driving unit 131a installed on the main body 110 and rotationally driven under the control of the main controller 170, And a second drive transmitting unit 131b which is installed at the front and rear of the lower level side of the level and tilt angle adjusting station 120 in the direction of the axle and that transmits the rotational driving force of the first driving unit 131a through the first drive transmitting unit 131b A first driven rotation shaft 131c having a thread formed along the outer periphery of the level and tilt angle adjusting station 120 and a second driven rotation shaft 131b provided on the inner side of the level and tilt angle adjusting station 120, And a first adjusting block 131d which is vertically driven in accordance with the rotational driving of the first driven rotation shaft 131c and which is formed with a screw hole penetrating up and down so that the first driven rotation shaft 131c can be screwed, To be desirable. In order to correspond to the angle change of the level and tilt angle adjusting station 120, the first vertical adjustment unit 131 includes a first connection shaft 131e connecting the first adjustment block 131d, And a first shaft fixedly installed at the front and rear of the lower side of the level and tilt angle adjusting station 120 in the direction of the axle axle and provided with both ends of the first connecting shaft 131e rotatably supported, And means 131f. In this case, as shown in FIG. 6, the first driving means 131a transmits the rotational driving force to the first driving transmitting means 131b constituted by a chain through the configuration of the driving sprocket, And the driven sprockets engaged with the first drive transmission unit 131b are respectively installed in the first drive unit 131c.

Similarly to the first up-down adjustment means 131, the second up-down adjustment means 132 is installed on the upper side of the main body 110, and is rotatably driven under the control of the main controller 170. [ 2 driving means 132a and forward and rearward of the level and tilt angle regulating station 120 in the direction opposite to the axle axle respectively and the rotational driving force of the second driving means 132a is transmitted to the second driving transmitting means 132a, A second driven rotation shaft 132c which is rotatably driven by the first and second driven gears 132a and 132b and has threads formed along the outer periphery thereof, A screw hole is formed in an upper portion of the second driven rotation shaft 132c so that the second driven rotation shaft 132c can be threadedly engaged with the second driven rotation shaft 132c, Block 132 d and a second connecting shaft 132e connecting the respective second adjusting blocks 132d and a second connecting shaft 132e provided at the front and rear of the level and tilt angle adjusting station 120, And a second shaft fixing means 132f provided at both ends of the second connection shaft 132e so as to be rotatably supported. In this case as well, the second driving means 132a transmits the rotational driving force to the second driving transmitting means 132b constituted by a chain through the configuration of the driving sprocket as shown in Fig. 6, And a driven sprocket coupled to the second drive transmitting means 132b may be installed on the rotating shaft 132c.

7 (a), when the first up-down adjustment unit 131 and the second up-down adjustment unit 132 are simultaneously elevated as shown in FIG. 7 (a) When the first up-down adjustment means 131 and the second up-down adjustment means 132 are simultaneously lowered as shown in FIG. 7 (b), the level and the inclination angle adjustment station 120 Is lowered.

7 (c), when the first up-and-down regulating means 131 is raised and the second up-down regulating means 132 is lowered, the level and tilt angle regulating station 120 moves in the axle direction And the angle is adjusted so that the direction opposite to the axle is lowered. 7 (d), when the first up-down control unit 131 is lowered and the second up-down control unit 132 is raised, the level and tilt control unit 120 controls the level and the tilt angle And the angle is adjusted so that the opposite direction of the axle can be heard.

The leveling and tilt angle adjusting station 120 may adjust the vertical and horizontal positions at the same time according to the ascending / descending degrees of the first vertical adjusting unit 131 and the second vertical adjusting unit 132 .

The upper and lower positions and angles of the level and tilt angle adjustment station 120 are adjusted to align the axle 11 at the correct position (i.e., on a straight line with the rotation axis 150) It is possible to perform efficient and accurate measurement, and also, when the alignment of the rotating shafts is deviated (in particular, when the number of rotations of the axle 11 is high) It is possible to prevent the breakage of the vehicle and the equipment in severe cases, thereby enabling the measurement in the high-speed region (i.e., the high-speed region). According to such a configuration, the vehicle automatic brake rotor drag force measuring apparatus 100 of the present invention can make the number of revolutions of the axle 11 reach up to about 2000 RPM or more, It is also possible to reproduce.

Next, the rotating shaft 150 will be described. 1 and 5, the rotating shaft 150 is installed on the level and tilt angle adjusting station 120, and an axle connecting means 140 detachably coupled to the axle 11 is installed on the axle Directional end. 1 and 5, on the opposite end of the rotating shaft 150 on the axle axis, the level and tilt angle adjusting stations 120 are provided on the end of the rotating shaft 150 opposite to the axle, And a rotation driving means 153 coupled to the axle 11 to transmit the driving force to the axle 11 while absorbing the small range error through the joint 152.

In this case, the axle connecting means 140 can be easily connected to the rotational axis of the axle 150 and the axle 11, and the axle connecting axle connecting means 140 can be generally used corresponding to the axle hub axle 12 having various specifications 11 to 13, a fastening through-hole flange 141 in which long hole-shaped fastening holes 141a are formed at predetermined angular intervals, and a fastening hole flange 141 formed continuously with the fastening hole flange 141, And a cylindrical portion 142 which is elastically supported by the elastic means 144 in the cylinder portion 142 so as to be interchangeable and which is in contact with the axle hub shaft 12 of the axle 11, And a contact centering piston 143 in which a contact portion 143a is formed in the direction of the axle 11.

First, a process of connecting the rotational center of the axle 150 with the axle of the axle 11 by the axle connecting means 140 will be described. Even if the rotational center of the axle 150 and the rotational center of the axle 11 are shifted from each other as shown by a thin solid line in FIG. 14, the axle hub axle 12 of the axle 11 The outer circumferential edge of the axle hub shaft 12 finally pushes into the position where it can fully contact the conical contact portion 143a, The rotation center of the axle hub shaft 12 (that is, the rotation center of the axle 11) naturally coincides with the rotation center of the contact centering piston 143 as shown by a solid line in Fig. Therefore, it is possible to connect the rotation center 150 of the axle 11 with the rotation center very easily.

The axle hub axle 12 may have various configurations and shapes, but generally refers to a portion protruding in a cylindrical shape at the center of a hub of an axle. The axle hub axle 12 may have various diameters D as shown in FIG. 15, And the height h, it is general that the axle connecting means 140, which are manufactured according to the standard, are required in order to connect the rotary shaft 150 with the various standards. However, in this case, the contact centering piston 143 is elastically supported by the elastic means as shown in FIG. 15 during the fastening process through the axle connecting means 140, 12 are moved to a position where they can fully contact the conical contact portion 143a, and are then inserted into and engaged with each other. Thus, even when the axle hub shaft 12 of various sizes is connected to one axle connecting means 140 ) Can be used to tighten.

Next, the torque sensor 160 will be described. 1 and 5, the torque sensor 160 is installed between the constant velocity joint 152 and the rotation driving means 153, and the torque sensor 160 is provided between the constant velocity joint 152 and the rotation driving means 153, And has a function of measuring a drag force torque. In this case, the torque sensor 160 does not need consumable parts such as a slip ring and a brush. In particular, it is preferable that the torque sensor 160 is a noncontact torque sensor so as to be capable of high-speed rotation, which is a feature of the present invention, and to be suitable for long-time use.

On the other hand, the vehicle automatic brake rotor drag force measuring apparatus 100 of the present invention is provided with an automatic brake rotor drag force measuring apparatus 100 of the present invention, as shown in Figs. 1 and 2, so as to prevent a user from floating, contamination of foreign materials, 5, the level and tilt angles are detachably coupled to the regulation station 120 and the rotation axis 150, the constant velocity joint 152, the torque sensor 160, and the rotation drive means (not shown) And a driving unit cover 145 covering the first and second electrodes 153 and 153.

Next, the main control device 170 will be described. 9, the main controller 170 is installed inside the main body 110, and rotates and rotates the rotation driving means 153 in sequence according to a predetermined time interval and a rotation number interval And controls the position and angle adjusting means 130 to control the level and the angle of the inclination angle of the torque sensor 160 at the respective rotation speeds, And adjusts the vertical position and the angle of the display unit.

The main controller 170 may maintain the rotation speed of the rotation driving means 153 at a predetermined measurement position searching rotational speed and may control the position angle adjusting means 130 to control the level and tilt angle adjusting station The torque sensor 160 measures the torque of the rotor drag force while sequentially changing the vertical position and the angle of the rotor drag force 120 at predetermined intervals, And the upper and lower positions and angles of the level and tilt angle adjustment station 120 having the smallest value among the values are selected as the 'measurement position'. That is, when the axle 11 and the rotary shaft 150 are aligned on a straight line, the measurement value of the rotor drag force torque value has the smallest characteristic. Therefore, when the rotor drag force is measured, The position angle adjusting means 130 is controlled so as to select the upper and lower positions and the angles of the level and the tilt angle adjusting station 120 when the measurement value of the torque value has the minimum value as the ' And the tilt angle adjustment station 120 are positioned at the measurement position.

As shown in FIGS. 1 and 9, the main controller 170 is provided with a main body 110 for displaying a measured value of the rotor drag force torque value, an operating state, etc., So that the display 172 to be installed is further connected. In this case, as shown in FIG. 9, the display 172 is preferably protected by a display cover 173 that is openably and closably provided to the main body 110.

In addition, it is also possible to control the operation of the apparatus such as the operation input of the user (for example, the rotation speed of the rotation driving means 153, the up / down control means 131 and the up / 1 and 9, so as to be able to receive the input of the operation input means 190, the measurement start / stop, and the brake operation state). In this case, as shown in FIG. 9, the operation input unit 190 may include a first vertical adjustment unit 131 for adjusting the upward / downward degrees of the first vertical adjustment unit 131 and the second vertical adjustment unit 132, A rotational speed adjusting knob 193 for adjusting the rotational speed of the rotational driving means 153 and a rotational speed adjusting knob 193 for controlling the pressure applied to the brake cylinder 20 A start button 195 and a stop button 196 for controlling the start and stop of the measurement, respectively.

9, the main controller 170 may transmit data such as measured values of the torque sensor 160 at each measured rotational speed to an external device (e.g., a computer) It is preferable that the interface 171 having the input / output function is further connected. In this case, when two or more of the vehicle automatic brake rotor drag force measuring apparatuses 100 of the present invention are simultaneously used as shown in FIG. 8, the interface 171 is provided with the respective automatic brake rotor drag force measuring apparatuses 100 ) And control signals and data transmission between them. That is, as shown in Fig. 8 (a), the vehicle automatic brake rotor drag force measuring apparatus 100 is connected to the left and right axles at the same time, and the rotor drag force (left and right axle) Drag force) When the torque is measured and compared, the influence of differential gear interference on the axle can be grasped. On the other hand, as shown in FIG. 8 (b), the vehicle automatic brake rotor drag force measuring apparatus 100 is connected to both the front and rear axles at the same time and the rotational speed is changed in the same manner, ) Torque are measured and compared, it is also possible to grasp the mutual interference or influence between the front and rear wheel axles in the always-on four-wheel-drive vehicle or the like.

On the other hand, the vehicle automatic brake rotor drag force measuring device (100) of the present invention can be operated by controlling the brakes of the vehicle without separately operating the brakes of the vehicle The hydraulic pressure supplied from the hydraulic pressure supply source 181 is supplied to the brake cylinder 20 installed on the axle 11 of the vehicle V under the control of the main controller 170, And a hydraulic controller 180 for controlling the supply of the hydraulic pressure to the hydraulic pump. In this case, the main control device 170 applies pressure to the brake cylinder 20 (i.e. reproduces the case of operating the brake) to reproduce the actual vehicle driving situation, The brake rotor drag force torque value in accordance with the actual brake operation state in the vehicle V to be actually measured can be measured by performing the measurement process after performing the measurement process (i.e., reproducing the state of releasing the operation of the brake) .

In this case, the braking operation is performed at a constant braking pressure two to three times before starting the measurement to reproduce the return state of the brake cylinder 20 (caliper master cylinder) (this process is performed in the operation screen of Fig. 10, It is preferable to measure the torque of the rotor drag force for each step of the speed while increasing / decreasing the rotational speed to measure wheel balance and resonance at a specific speed.

In the foregoing, optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

10: brake disk 11: axle
12: Axle hub axle
h: Axle hub axis height D: Axle hub axis diameter
20: brake cylinder 21: brake caliper
22: Brake pad
100: Automotive brake rotor drag force measuring device
110: main body 111: casters
112: Castor Rock
120: Level and tilt control station
130: position angle adjusting means
131: first vertical adjustment means
131a: first driving means 131b: first driving transmitting means
131c: first driven rotation axis 131d: first adjustment block
131e: first connection shaft 131f: first shaft fixing means
132: second vertical adjustment means
132a: second driving means 132b: second driving transmitting means
132c: second driven rotation axis 132d: second adjustment block
132e: second connecting shaft 132f: second shaft fixing means
140: axle connecting means 141: fastening through-hole flange
141a: fastening hole
142:
143: contact centering piston 143a: conical contact portion
144: elastic means
145: Drive cover
150: rotating shaft 151: rotating shaft supporting part
152: constant velocity joint 153: rotation driving means
152: Motor driver
160: Torque sensor
170: main controller 171: interface
172: Display 173: Display cover
180: Hydraulic controller 181: Hydraulic supply source
190: Operation input means
191:
V: vehicle

Claims (5)

1. A rotor drag force measuring device for measuring a brake rotor drag force torque due to a friction between a brake disc (10) provided on an axle (11) of a vehicle (V)
A body 110;
A level and inclination adjusting station 120 installed on the body 110 so as to be adjustable in vertical position and angle by the position angle adjusting means 130;
A rotating shaft 150 installed on the level and tilt angle adjusting station 120 and having an axle connecting means 140 detachably coupled to the axle 11 to be coupled to the axle end;
A rotation driving means 153 installed on the level and inclination adjusting station 120 and coupled to the opposite end of the rotating shaft 150 via a constant velocity joint 152 to transmit a driving force to the axle 11; );
A torque sensor (160) provided between the constant velocity joint (152) and the rotation driving means (153) for measuring the torque of the rotor drag force according to the driving of the rotation driving means (153);
And controls the rotation and the rotation speed of the rotation driving means 153 so as to sequentially increase or decrease in accordance with a predetermined time interval and a rotation number interval, And a main controller 170 for controlling the position and angle adjusting unit 130 to adjust the up and down position and angle of the level and tilt angle adjusting station 120, ; And an automatic brake rotor drag force measuring device (100) for a vehicle. The method according to claim 1,
The torque sensor 160 is a non-contact type torque sensor,
The position angle adjusting means (130)
First up-down adjustment means (131) for adjusting a vertical position of the level and tilt angle adjustment station (120) in the axle direction;
And a second vertical adjustment means (132) for adjusting a vertical position of the level and the tilt angle adjustment station (120) in the direction opposite to the axle axis. The vehicle automatic brake rotor drag force measurement apparatus (100) .
The method according to claim 2,
The first vertical adjustment means (131)
A first driving means 131a installed on the main body 110 to be rotationally driven under the control of the main controller 170;
The driving force of the first driving means 131a is transmitted through the first driving transmitting means 131b to the front and rear of the lower and upper sides of the axle of the level and tilt angle adjusting station 120, A first driven rotation shaft 131c having a thread formed along the outer periphery thereof;
A screw hole is formed on the inner side of the level and the angle of inclination adjusting unit 120 so as to be threadedly engaged with the first driven rotation shaft 131c, A first adjusting block 131d driven up and down in accordance with rotation of the first driven rotary shaft 131c;
A first connecting shaft 131e connecting each of the first adjusting blocks 131d;
First axis fixing means installed at the front and rear of the lower side of the axle axis direction of the level and tilt angle adjusting station 120 and provided with both ends of the first connecting axis 131e rotatably supported 131f,
The second up-down adjustment means (132)
Second driving means 132a installed on the main body 110 and driven to rotate under the control of the main controller 170;
The level and tilt angles are provided respectively at the front and rear of the lower side of the axle opposite to the axle of the adjusting station 120 and the rotational driving force of the second driving means 132a is transmitted through the second driving transmitting means 132b A second driven rotary shaft 132c having a thread formed along the outer periphery thereof;
A screw hole is formed on an inner side of the level and the angle of inclination adjusting unit 120 so as to be vertically penetrated so that the second driven rotary shaft 132c can be screwed, A second adjusting block 132d driven up and down in accordance with rotation of the second driven rotary shaft 132c;
A second connecting shaft 132e connecting each of the second adjusting blocks 132d;
A second shaft fixing means installed at both the front and rear sides of the lower and upper sides of the level and tilt angle adjusting station 120 in the axle direction and having both ends of the second connecting shaft 132e rotatably supported, 132f) of the vehicle brake rotor drag force measurement device (100). The method according to claim 1,
The main controller 170,
The rotational speed of the rotation driving means 153 is maintained at a predetermined measurement position seek rotational speed,
The torque sensor 160 controls the position angle adjusting means 130 so as to sequentially change the vertical position and the angle of the level and tilt angle adjusting station 120 at a predetermined interval so that the torque of the rotor drag force torque After the measurement,
The position and angle adjusting unit 130 selects the upper and lower positions and angles of the level and tilt angle adjusting station 120 having the minimum value among the measured values of the rotor drag force torque as the ' To perform an automatic measurement position search function to control the level and tilt angle adjustment station (120) to be positioned at the measurement position.
The method according to any one of claims 1 to 4,
A caster 111 installed at three or more places below the main body and having a caster lock 112 for fixing;
A drive unit cover 150 detachably coupled to the level and tilt angle adjustment station 120 and covering the rotation axis 150, the constant velocity joint 152, the torque sensor 160, and the rotation drive unit 153 145);
A hydraulic controller 180 that adjusts and supplies the hydraulic pressure supplied from the hydraulic pressure supply source 181 to the brake cylinder 20 installed on the axle 11 of the vehicle V under the control of the main controller 170; Further comprising:
The axle connecting means (140)
A fastening through-hole flange 141 in which long hole-shaped fastening holes 141a are formed at predetermined angular intervals;
A cylinder portion 142 formed continuously with the fastening through-hole flange 141 and having an internal cylindrical shape;
And a conical contact portion 143a in which the axle hub shaft 12 of the axle 11 is in contact is disposed in the cylinder portion 142 in the direction of the axle 11 And a contact centering piston (143) formed in the center of the body (120).

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