CN210741860U - Dragging torque test device - Google Patents
Dragging torque test device Download PDFInfo
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- CN210741860U CN210741860U CN201920858002.2U CN201920858002U CN210741860U CN 210741860 U CN210741860 U CN 210741860U CN 201920858002 U CN201920858002 U CN 201920858002U CN 210741860 U CN210741860 U CN 210741860U
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Abstract
The utility model discloses a dragging torque test device, dragging torque test device includes: fixed base plate, calliper mounting structure, brake disc mounting structure and drive measurement structure. The fixed substrate is provided with a first guide piece; the caliper mounting structure is arranged on the fixed substrate; the brake disc mounting structure is arranged on the fixed base plate and can be in sliding fit with the first guide piece, and the brake disc mounting structure comprises a rotating shaft for driving the brake disc to rotate; on fixed base plate was located to the drive measurement structure, the drive measurement structure included: the torque sensor comprises a driving device, a first connecting device and a torque sensor. From this, through the cooperation of fixed baseplate, calliper mounting structure, brake disc mounting structure and drive measurement structure, can promote the assembly precision of dragging torque test device, also can guarantee calliper mounting structure and brake disc mounting structure's removal depth of parallelism, can also guarantee torque sensor's measurement accuracy and life to can guarantee the accuracy of test result.
Description
Technical Field
The utility model belongs to the technical field of the experiment and specifically relates to a dragging torque test device is related to.
Background
The dragging torque is the residual brake disc rotation resistance torque after the brake hydraulic pressure of the automobile is removed, and is an important design parameter of the vehicle brake system. Accurate and efficient detection of the dragging torque is very important for product verification. The national standard stipulates a test method of drag torque, and the standard requires that the end face runout of a brake disc measured on a working surface 10mm away from the outer edge of the brake disc after the test device is installed is not more than 0.05mm, and the parallelism between the brake disc and a brake caliper mounting surface is not more than 0.1 mm. Therefore, the dragging torque test has higher requirements on the assembly precision of the test device, the test device is required to ensure that the brake disc end jump and the parallelism of the brake disc and the brake caliper mounting surface meet the standard requirements after the test bench is mounted, and otherwise, larger errors can be brought to the measurement results.
In the related art, the caliper mounting end and the brake disc mounting end are designed in a split manner, and the assembly precision is not ensured through related mechanical structures. And, the brake disc installation end and torque sensor direct fixed connection, the range of torque sensor is 20Nm usually, and the moment of setting of brake disc fastening bolt is about 100 to 120Nm, like this the tester when clenching brake disc fastening bolt, makes the sensor bear great moment of torsion and causes the precision to descend or life reduction easily. Simultaneously, calliper installation end and brake disc installation end all adopt bolt locking, because the frictional force of bolt contact surface, calliper installation end and brake disc installation end have slight skew in the locking process to lead to calliper mounting plane and brake disc mounting plane's depth of parallelism error increase, cause the test result to be bigger than normal, reduced the accuracy of test result.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a dragging torque test device, this dragging torque test device can guarantee the accuracy of test result.
According to the utility model discloses a dragging torque test device includes: fixed base plate, calliper mounting structure, brake disc mounting structure and drive measurement structure. A first guide piece is arranged on the fixed substrate; the caliper mounting structure is arranged on the fixed base plate and can be in sliding fit with the first guide piece; the brake disc mounting structure is arranged on the fixed base plate and is in sliding fit with the first guide piece, and the brake disc mounting structure comprises a rotating shaft for driving a brake disc to rotate; the drive measurement structure is located on the fixed baseplate, the drive measurement structure includes: the torque sensor comprises a driving device, a first connecting device and a torque sensor. One end of the first connecting device is connected with the driving device, and the other end of the first connecting device is suitable for being detachably connected with the rotating shaft; the torque sensor is arranged between the driving device and the first connecting device.
According to the utility model discloses a torque test device drags through fixed baseplate, calliper mounting structure, brake disc mounting structure and the cooperation of drive measurement structure, can promote the assembly precision that drags torque test device, also can guarantee calliper mounting structure and brake disc mounting structure's removal depth of parallelism, can also guarantee torque sensor's measurement accuracy and life to can guarantee the accuracy of test result.
In some examples of the invention, the caliper mounting structure comprises: the bottom of the first bracket is provided with a second guide piece, and the second guide piece is suitable for being in sliding fit with the first guide piece; the first locking device is arranged on the first support and used for locking the first support on the fixed base plate; the first mounting plate is arranged on the first support and used for mounting calipers.
In some examples of the present invention, the first locking device is provided at a bottom of the first bracket and is used to lock and release the first guide.
In some examples of the present invention, the caliper mounting structure further comprises: and the pressing plate is detachably arranged on the side wall surface of the second guide piece or the side wall surface of the first support so as to install and position the second guide piece and the first support.
In some examples of the invention, the brake disc mounting structure comprises: the bottom of the second bracket is provided with a third guide part, the third guide part is suitable for being in sliding fit with the first guide part, and the rotating shaft is rotatably arranged on the second bracket; and the second locking device is arranged on the second support and is used for locking the second support on the fixed substrate.
In some examples of the present invention, the second locking device is provided at a bottom of the second bracket and is used for locking and releasing the first guide.
In some examples of the invention, the brake disc mounting structure further comprises: the bearing block is arranged on the second support, the rotating shaft is arranged in the bearing block through a bearing, and two ends of the rotating shaft extend out of the bearing block; an axial locking member movable in an axial direction of the rotating shaft to position the bearing at a preset position.
In some examples of the invention, the brake disc mounting structure further comprises: the second mounting panel, the second mounting panel is located the one end of pivot just is used for installing the brake disc, the second mounting panel with pivot integrated into one piece.
In some examples of the invention, the drive measurement structure further comprises: the third support is arranged on the fixed substrate, and the driving device is arranged on the third support; the speed reducer is arranged on the third support and is respectively connected with the driving device and the torque sensor, and a second connecting device is arranged between the speed reducer and the torque sensor.
In some examples of the invention, the first connecting device and the second connecting device are couplings.
In some examples of the present invention, the first guiding members include two guiding members and are arranged in parallel with each other, wherein the second guiding members include two guiding members, the two guiding members are respectively arranged in one-to-one correspondence with the two first guiding members, the first locking devices include two first locking devices, and the two first locking devices are respectively used for locking and releasing the two first guiding members; or the number of the third guide parts is two, the two third guide parts are respectively arranged in one-to-one correspondence with the two first guide parts, the number of the second locking devices is two, and the two second locking devices are respectively used for locking and releasing the two first guide parts.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic illustration of a drag torque testing apparatus according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a drag torque testing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a caliper mounting structure of a drag torque testing apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic view of a brake disc mounting structure of a drag torque testing apparatus according to an embodiment of the present invention;
fig. 5 is a sectional view of a brake disc mounting structure of the drag torque testing apparatus according to the embodiment of the present invention;
FIG. 6 is a schematic diagram of a drive measurement configuration of a drag torque testing apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic view of a stationary base plate of a drag torque testing apparatus according to an embodiment of the present invention;
fig. 8 is a sectional view of a fixing base plate of the drag torque testing apparatus according to an embodiment of the present invention.
Reference numerals:
a drag torque testing device 10;
a fixed substrate 1; a first guide 11;
a caliper mounting structure 2; a first bracket 21; a second guide member 22; a first locking device 23; a first mounting plate 24; a platen 25;
a brake disc mounting structure 3; a rotating shaft 31; a second bracket 32; a third guide 33; a second locking device 34; a bearing seat 35; a bearing 36; an axial locking member 37; a second mounting plate 38; bearing front end cover 39; a bearing rear end cover 40;
driving the measuring structure 4; a drive device 41; first connecting means 42; a torque sensor 43; a third bracket 44; a speed reducer 45; a second connecting means 46;
and a pressing member 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A drag torque test device 10 according to an embodiment of the present invention will be described with reference to fig. 1 to 8.
As shown in fig. 1 to 8, a dragging torque test device 10 according to an embodiment of the present invention includes: fixed base plate 1, calliper mounting structure 2, brake disc mounting structure 3 and drive measurement structure 4. The fixed base plate 1 is provided with a first guide part 11, the caliper mounting structure 2 is arranged on the fixed base plate 1, the caliper mounting structure 2 is in slidable fit with the first guide part 11, and the caliper mounting structure 2 can slide on the first guide part 11. The brake disc mounting structure 3 is disposed on the fixed substrate 1, and the brake disc mounting structure 3 is slidably engaged with the first guide 11, the brake disc mounting structure 3 can slide on the first guide 11, and the brake disc mounting structure 3 includes a rotating shaft 31 for driving the brake disc to rotate. Drive measurement structure 4 sets up on fixed baseplate 1, and drive measurement structure 4 includes: a driving device 41, a first connecting device 42 and a torque sensor 43, wherein the driving device 41 can be a motor, one end of the first connecting device 42 is connected with the driving device 41, the other end of the first connecting device 42 is suitable for being detachably connected with the rotating shaft 31, and the torque sensor 43 is arranged between the driving device 41 and the first connecting device 42.
Wherein, the dragging torque test device 10 of the application can lead the caliper mounting structure 2 and the brake disc mounting structure 3 to slide on the same first guide piece 11 by arranging the caliper mounting structure 2 and the brake disc mounting structure 3 on the first guide piece 11, the caliper mounting structure and the brake disc mounting structure of the existing dragging torque test device are not connected together through related mechanical structures, consequently, the torque test device 10 that drags of this application compares with prior art, and the torque test device 10 that drags of this application can effectively guarantee the assembly precision of dragging torque test device 10, also can guarantee calliper mounting structure 2 and brake disc mounting structure 3's removal depth of parallelism, and the depth of parallelism of tools such as use feeler gauge or percentage table detection calliper mounting structure 2 and brake disc mounting structure 3 that can also be convenient, and the operation is more convenient.
And, can dismantle with pivot 31 through first connecting device 42 and link to each other, can make torque sensor 43 and pivot 31 separation, at the in-process of tester's fastening brake disc, can guarantee that torque sensor 43 does not receive torsion to can avoid torque sensor 43 atress unusual and reduce precision and reduce life, and then can guarantee the accuracy of test result.
From this, through the cooperation of fixed baseplate 1, calliper mounting structure 2, brake disc mounting structure 3 and drive measurement structure 4, can promote the assembly precision of dragging torque test device 10, also can guarantee calliper mounting structure 2 and brake disc mounting structure 3's removal depth of parallelism, can also guarantee torque sensor 43's measurement accuracy and life to can guarantee the accuracy of test result.
In some embodiments of the present invention, as shown in fig. 2 and 3, the caliper mounting structure 2 may include: a first bracket 21, a first locking device 23 and a first mounting plate 24. The bottom of the first bracket 21 is provided with a second guide member 22, and the second guide member 22 is adapted to be slidably engaged with the first guide member 11. it should be noted that the bottom surface of the first bracket 21 can be ensured by finish grinding to be accurate with the engagement surface of the second guide member 22, so that the assembly accuracy of the first bracket 21 and the second guide member 22 can be improved.
And, the first locking device 23 is disposed on the first bracket 21, and the first locking device 23 is used for locking the first bracket 21 on the fixing substrate 1, wherein, when the first locking device 23 is installed, it should be ensured that the locking surface of the first locking device 23 is parallel to the positioning surface of the first guiding member 11, when the caliper mounting structure 2 moves to a certain position of the first guiding member 11, such an arrangement can better lock the first bracket 21 on the fixing substrate 1, so as to avoid the position of the caliper mounting structure 2 from moving.
Simultaneously, first mounting panel 24 sets up on first support 21, and first mounting panel 24 is used for installing calliper moreover, sets up like this and can set up calliper on first support 21, can make calliper follow first support 21 and remove together to can realize the work purpose that removes the calliper position.
In some embodiments of the present invention, as shown in fig. 3, the first locking device 23 is disposed at the bottom of the first bracket 21, and the first locking device 23 is used for locking and releasing the first guide member 11, specifically, after the first bracket 21 is moved to the predetermined position, the first bracket 21 can be locked on the fixing substrate 1 by adjusting the first locking device 23, so that the position of the caliper mounting structure 2 can be prevented from being changed. Also, when it is necessary to move the first bracket 21 on the first guide 11, the first bracket 21 can be released from the fixed base plate 1 by adjusting the first locking device 23, so that the work purpose of adjusting the position of the caliper mounting structure 2 can be achieved.
In some embodiments of the present invention, as shown in fig. 2, the caliper mounting structure 2 may further include: the pressing plate 25 is detachably disposed on a side wall surface of the second guide member 22, or the pressing plate 25 is detachably disposed on a side wall surface of the first support 21, wherein by disposing the pressing plate 25, the pressing plate 25 can press the second guide member 22 against the first support 21, so that the second guide member 22 and the first support 21 can be installed and positioned, and the installation accuracy of the second guide member 22 can be further improved.
In some embodiments of the present invention, as shown in fig. 4 and 5, the brake disc mounting structure 3 includes: a second bracket 32 and a second locking device 34. The bottom of the second frame 32 is provided with a third guide 33, the third guide 33 is adapted to be slidably engaged with the first guide 11, it should be noted that the bottom surface of the second frame 32 can be ensured by finish grinding and the accuracy of the engagement surface with the third guide 33 can be ensured, so that the assembly accuracy of the second frame 32 and the third guide 33 can be improved. The rotating shaft 31 is rotatably disposed on the second bracket 32, and the rotating shaft 31 is rotatable relative to the second bracket 32.
And, the second locking device 34 is set up on the second support 32, and the second locking device 34 is used for locking the second support 32 on the fixed base plate 1, wherein, when installing the second locking device 34, should guarantee the locking surface of the second locking device 34 is parallel to locating surface of the first guide 11, when the brake disc mounting structure 3 moves to a certain position of the first guide 11, so set up can lock the second support 32 on the fixed base plate 1 better, thus can avoid the position of the brake disc mounting structure 3 from moving.
In some embodiments of the present invention, the second locking device 34 is disposed at the bottom of the second bracket 32, and the second locking device 34 is used for locking and releasing the first guide member 11. Specifically, after the second bracket 32 is moved to a predetermined position, the second bracket 32 can be locked to the fixed base plate 1 by adjusting the second locking device 34, so that the position of the brake disk mounting structure 3 can be prevented from being changed. Also, when it is necessary to move the second bracket 32 on the first guide 11, the second bracket 32 can be released from the fixed base plate 1 by adjusting the second locking device 34, so that the working purpose of adjusting the position of the brake disc mounting structure 3 can be achieved.
In some embodiments of the present invention, as shown in fig. 5, the brake disc mounting structure 3 may further include: bearing front end cover 39, bearing rear end cover 40, bearing seat 35 and axial locking piece 37. Bearing frame 35 sets up on second support 32, and pivot 31 passes through bearing 36 to be installed in bearing frame 35, and the both ends of pivot 31 are stretched out by bearing frame 35, and wherein, bearing 36 can set up to deep groove ball bearing 36, bearing inner race and bearing frame 35 fixed connection, and the bearing inner race is fixed a position through shaft shoulder and axial retaining member 37 to axial displacement can be avoided appearing in the test process pivot 31.
In some embodiments of the present invention, as shown in fig. 4, the brake disc mounting structure 3 may further include: second mounting panel 38, second mounting panel 38 sets up in the one end of pivot 31, and second mounting panel 38 is used for installing the brake disc, second mounting panel 38 and pivot 31 integrated into one piece, the setting can be with the brake disc setting on second support 32 like this, can make the brake disc follow second support 32 and move together, thereby can realize the work purpose that removes the brake disc position, and, the fitting surface of bearing frame 35 and second support 32 needs the finish grinding processing, after the equipment of drag torque test device 10 is accomplished, need detect the end face bounce of second mounting panel 38, the end face bounce value of control second mounting panel 38 is below 10um, thereby can satisfy the requirement that the brake disc end face bounce volume of surveying at the working face apart from brake disc outer fringe 10mm department should not be greater than 0.05mm "after the installation of standard" drag torque test device 10 is accomplished.
In some embodiments of the present invention, as shown in fig. 6, the driving measurement structure 4 may further include: a third bracket 44 and a reducer 45. The third bracket 44 is provided on the fixed base plate 1, and the driving device 41 is provided on the third bracket 44, so that the driving device 41 can be reliably arranged on the third bracket 44. A speed reducer 45 is provided on the third bracket 44, and the speed reducer 45 is connected to the driving device 41 and the torque sensor 43, respectively, wherein a second connecting device 46 is provided between the speed reducer 45 and the torque sensor 43.
Also, the drive measurement structure 4 may further include: the reduction gear 45 support, reduction gear 45 can install on reduction gear 45 support, can make the installation of reduction gear 45 more firm to can reduce the vibration of reduction gear 45. Since the torque sensor 43 and the axis of the rotating shaft 31 have a certain coaxiality tolerance, the accuracy of the torque sensing measurement can be ensured by arranging the first connecting device 42 and the second connecting device 46. Considering that the actual value of the drag torque does not exceed 5Nm in general, the drag torque testing apparatus 10 selects the torque sensor 43 having a range of 20Nm and an accuracy of 0.02Nm, and is provided with the motor and the reducer 45 matching with the torque sensor 43.
In some embodiments of the present invention, the first connecting device 42 and the second connecting device 46 can be set as a shaft coupler, so the operational reliability of the first connecting device 42 and the second connecting device 46 can be improved, the service life of the first connecting device 42 and the second connecting device 46 can be prolonged, and thus the setting of the first connecting device 42 and the second connecting device 46 can be more reasonable, and the vibration of the dragging torque testing device 10 can be reduced, so the testing noise can be reduced.
In some embodiments of the present invention, as shown in fig. 7, the first guiding members 11 may include two, and the two first guiding members 11 are disposed in parallel with each other, wherein the second guiding members 22 may include two, the two second guiding members 22 are disposed in one-to-one correspondence with the two first guiding members 11, the first locking devices 23 may include two, the two first locking devices 23 are respectively used for locking and releasing the two first guiding members 11, it should be noted that only one second guiding member 22 slides on one first guiding member 11, and only one first locking device 23 locks and releases one first guiding member 11, so as to better lock the first bracket 21 on the fixing base plate 1, thereby further preventing the position of the caliper mounting structure 2 from moving.
And, the number of the third guide parts 33 may include two, two third guide parts 33 are respectively provided in one-to-one correspondence with the two first guide parts 11, and the number of the second locking devices 34 may include two, and the two second locking devices 34 are respectively used for locking and releasing the two first guide parts 11. It should be explained that only one third guide 33 slides on one first guide 11 and only one first guide 11 is locked and released by one second locking device 34, which is arranged to better lock the second bracket 32 to the fixed base plate 1, thereby further preventing the position of the brake disc mounting structure 3 from shifting.
Meanwhile, the positioning surface of the first guide 11 may be machined on the fixed substrate 1, and it is necessary to ensure the straightness of the positioning surface of the fixed substrate 1 along the direction of the first guide 11 by machining. When the dragging torque test device 10 is assembled, the reference surface located on the lateral side of the first guide piece 11 is matched with the positioning surface on the fixed base plate 1, and then the pressing piece 5 is used for pressing, so that the assembling precision of the first guide piece 11 can be ensured.
The following describes in detail a specific operation process of the dragging torque testing device 10 according to an embodiment of the present invention.
During the experiment, at first the second locking device 34 of locking brake disc mounting structure 3 promotes calliper mounting structure 2 and makes calliper mounting structure 2 and brake disc mounting structure 3 coincidence, and the two plane degree of available feeler gauge detection this moment. Of course, the first locking device 23 and the second locking device 34 can be locked at the same time, the dial indicator base is connected with the brake disc mounting structure, the dial indicator measuring head is in surface contact with the first mounting plate 24, the motor is rotated, and the reading of the dial indicator is observed, so that the flatness of the caliper mounting surface and the brake disc mounting surface can be detected. Because brake disc mounting structure 3 and calliper mounting structure 2 are in on the same pair of first guide 11, compare with prior art the movement depth of parallelism that brake disc mounting structure 3 and calliper mounting structure 2 can be guaranteed better to the dragging torque test device 10 of this application, consequently can detect the depth of parallelism of calliper installation face and brake disc installation face high-efficiently, accurately.
Install the brake disc on second mounting panel 38, tighten the moment of torsion according to the regulation requirement, be different from prior art scheme, the brake disc mounting structure 3 of this application is disconnected with drive measurement structure 4, has guaranteed to tighten the in-process torque sensor 43 of moment of torsion not receive torsion to can protect torque sensor 43 better. After the brake disc installation is accomplished, detect the dish face end with the percentage table and jump, because of this dragging torque test device 10 when manufacturing, require second mounting panel 38 and pivot 31 integrated into one piece processing to the end of requiring processing to accomplish back second mounting panel 38 jumps below 10um, consequently need not carry out any adjustment, and the brake disc installation is accomplished the back, and the face runout of brake disc can be controlled below 0.05mm, satisfies the national standard requirement, has improved the installation effectiveness.
The caliper bracket is mounted on the first mounting plate 24, and the caliper mounting structure 2 is moved along the first guide 11 so that the mounting positions of the caliper and the brake disc satisfy the requirements of the actual vehicle. The caliper mounting structure 2 is then locked with the first locking device 23. The existing dragging torque test device adopts a bolt locking scheme, and in the bolt locking process, the friction force of a bolt contact surface can cause the deviation of a caliper mounting structure, so that the parallelism error of a first mounting plate and a second mounting plate is increased, and the dragging torque test result is larger. The application of the dragging torque test device 10 adopts the locking device to lock, the locking device is a locking device, a locking surface of the locking device is parallel to a positioning surface of the first guide piece 11, the locking in-process caliper mounting structure 2 can be ensured not to deviate, and the test accuracy is obviously improved.
After the completion of the mounting, the driving device 41 is controlled to rotate at a predetermined rotational speed, and the reading of the torque sensor 43 is recorded, and this torque value is the drag torque of the drag torque testing device 10 itself and is recorded as the system torque. The caliper is pressurized according to the test method described in the standard QC/T592-2013, pressure is maintained for a certain time, then the pressure is released to zero, then the driving device 41 is controlled to rotate at the specified rotating speed, the reading of the torque sensor 43 is recorded, the torque value is the sum of the drag torque test device 10 and the drag torque of the caliper, and the product torque is recorded. The actual drag torque of the caliper is the difference between the product torque and the system torque.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. A drag torque testing apparatus, comprising:
the fixing base plate is provided with a first guide piece;
a caliper mounting structure provided on the fixed base plate and slidably engaged with the first guide;
the brake disc mounting structure is arranged on the fixed base plate and is in sliding fit with the first guide piece, and the brake disc mounting structure comprises a rotating shaft for driving a brake disc to rotate;
drive measurement structure, drive measurement structure locates on the fixed baseplate, drive measurement structure includes:
a drive device;
one end of the first connecting device is connected with the driving device, and the other end of the first connecting device is suitable for being detachably connected with the rotating shaft;
a torque sensor disposed between the drive device and the first connection device.
2. The drag torque testing apparatus of claim 1, wherein said caliper mounting structure comprises:
the bottom of the first bracket is provided with a second guide piece, and the second guide piece is suitable for being in sliding fit with the first guide piece;
the first locking device is arranged on the first support and used for locking the first support on the fixed base plate;
the first mounting plate is arranged on the first support and used for mounting calipers.
3. The dragging torque testing device according to claim 2, wherein the first locking device is provided at the bottom of the first bracket and is used for locking and releasing the first guide.
4. The drag torque testing apparatus according to claim 2, wherein said caliper mounting structure further comprises:
and the pressing plate is detachably arranged on the side wall surface of the second guide piece or the side wall surface of the first support so as to install and position the second guide piece and the first support.
5. The drag torque testing apparatus according to claim 2, wherein the brake disc mounting structure includes:
the bottom of the second bracket is provided with a third guide part, the third guide part is suitable for being in sliding fit with the first guide part, and the rotating shaft is rotatably arranged on the second bracket;
and the second locking device is arranged on the second support and is used for locking the second support on the fixed substrate.
6. The drag torque testing device according to claim 5, wherein the second locking device is provided at a bottom of the second bracket and is used for locking and releasing the first guide.
7. The drag torque testing apparatus according to claim 5, wherein said brake disc mounting structure further comprises:
the bearing block is arranged on the second support, the rotating shaft is arranged in the bearing block through a bearing, and two ends of the rotating shaft extend out of the bearing block;
an axial locking member movable in an axial direction of the rotating shaft to position the bearing at a preset position.
8. The drag torque testing apparatus according to claim 5, wherein said brake disc mounting structure further comprises:
the second mounting panel, the second mounting panel is located the one end of pivot just is used for installing the brake disc, the second mounting panel with pivot integrated into one piece.
9. The drag torque testing apparatus of claim 1, wherein the drive measurement structure further comprises:
the third support is arranged on the fixed substrate, and the driving device is arranged on the third support;
the speed reducer is arranged on the third support and is respectively connected with the driving device and the torque sensor, and a second connecting device is arranged between the speed reducer and the torque sensor.
10. The drag torque testing apparatus of claim 9, wherein said first connecting means and said second connecting means are each a coupling.
11. The drag torque testing device according to claim 5, wherein the first guide member includes two and is disposed in parallel with each other,
the two second guide pieces are respectively arranged in one-to-one correspondence with the two first guide pieces, the two first locking devices comprise two first locking devices, and the two first locking devices are respectively used for locking and releasing the two first guide pieces; or
The third guiding parts comprise two third guiding parts, the two third guiding parts are respectively arranged in one-to-one correspondence with the two first guiding parts, the second locking devices comprise two second locking devices, and the two second locking devices are respectively used for locking and releasing the two first guiding parts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858002.2U CN210741860U (en) | 2019-06-06 | 2019-06-06 | Dragging torque test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858002.2U CN210741860U (en) | 2019-06-06 | 2019-06-06 | Dragging torque test device |
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| CN210741860U true CN210741860U (en) | 2020-06-12 |
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| CN201920858002.2U Active CN210741860U (en) | 2019-06-06 | 2019-06-06 | Dragging torque test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964830A (en) * | 2020-07-29 | 2020-11-20 | 东风汽车集团有限公司 | Dynamic test method for brake dragging torque |
| CN113280968A (en) * | 2021-05-08 | 2021-08-20 | 安徽江淮汽车集团股份有限公司 | Vehicle friction plate dragging torque test method, distribution diagram test method and device |
| CN113551820A (en) * | 2021-07-13 | 2021-10-26 | 浙江亚太机电股份有限公司 | Disc brake caliper dragging torque detection device |
| CN114441085A (en) * | 2022-01-28 | 2022-05-06 | 中国第一汽车股份有限公司 | Method for measuring dragging torque of brake caliper |
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2019
- 2019-06-06 CN CN201920858002.2U patent/CN210741860U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111964830A (en) * | 2020-07-29 | 2020-11-20 | 东风汽车集团有限公司 | Dynamic test method for brake dragging torque |
| CN111964830B (en) * | 2020-07-29 | 2022-03-15 | 东风汽车集团有限公司 | Dynamic test method for brake dragging torque |
| CN113280968A (en) * | 2021-05-08 | 2021-08-20 | 安徽江淮汽车集团股份有限公司 | Vehicle friction plate dragging torque test method, distribution diagram test method and device |
| CN113551820A (en) * | 2021-07-13 | 2021-10-26 | 浙江亚太机电股份有限公司 | Disc brake caliper dragging torque detection device |
| CN114441085A (en) * | 2022-01-28 | 2022-05-06 | 中国第一汽车股份有限公司 | Method for measuring dragging torque of brake caliper |
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