CN212082326U - Automatic adjusting arm free clearance testing arrangement - Google Patents
Automatic adjusting arm free clearance testing arrangement Download PDFInfo
- Publication number
- CN212082326U CN212082326U CN202021126787.3U CN202021126787U CN212082326U CN 212082326 U CN212082326 U CN 212082326U CN 202021126787 U CN202021126787 U CN 202021126787U CN 212082326 U CN212082326 U CN 212082326U
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- arm
- clamping device
- fixing
- torque sensor
- adjusting arm
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Abstract
The utility model relates to an adjustment arm technical field especially relates to an automatic adjustment arm free gap testing arrangement, including clamping device, clamping device one side is provided with drive arrangement, torque sensor, the clamping device opposite side is provided with fixing device, fixing device is fixed including the fixed axle that is used for fixed adjustment arm with being used for the fixing base of fixed axle, the fixed axle tip is provided with kicking block and fastener, clamping device is provided with the displacement sensor who is used for measuring the armed lever motion displacement of adjustment arm. The clamping device and the fixing device fix the adjusting arm, the driving device drives the arm rod of the adjusting arm to synchronously swing along with the clamping device, the torque sensor monitors the output torque of the driving device, and the displacement sensor measures the moving displacement of the arm rod of the adjusting arm, so that the free gap of the adjusting arm is measured. The utility model relates to a rationally, convenient to use can judge the adjustment performance of the preceding adjustment arm of dispatching from the factory, makes the product satisfy the in-service use demand.
Description
Technical Field
The utility model relates to an adjustment arm technical field especially relates to an automatic adjustment arm free gap testing arrangement.
Background
The braking of the automobile is realized by utilizing the direct contact friction between the brake shoe and the brake drum. In the running process of the vehicle, due to frequent contact friction between the brake shoe and the brake drum, the gap between the brake shoe and the brake drum is increased, and therefore the use safety of the brake mechanism in the running process of the vehicle is affected. The existing automobile brake mechanism is generally provided with an automatic adjusting arm which can automatically adjust the brake clearance between a brake shoe and a brake drum, and the adjusting arm is an important device for adjusting the brake clearance in a vehicle brake system, so that the brake clearance between the brake shoe and the brake drum can be kept at a constant value, and the function of keeping good brake efficiency of an automobile is achieved. Before the adjusting arm leaves the factory, the free gap of the adjusting arm needs to be tested and detected, so that the stability of the adjusting performance of the adjusting arm is judged, and whether the using requirement is met or not is judged.
Disclosure of Invention
An object of the utility model is to prior art not enough, and provide an automatic adjustment arm free clearance testing arrangement, its reasonable in design, convenient to use can judge the adjustment performance of the preceding adjustment arm of dispatching from the factory, makes the product satisfy the in-service use demand.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an automatic adjusting arm free gap testing arrangement, includes clamping device, clamping device one side is provided with drive arrangement, torque sensor one end with drive arrangement connects, the other end with clamping device connects, the clamping device opposite side is provided with fixing device, fixing device is including the fixed axle that is used for fixed adjusting arm and being used for fixing the fixing base of fixed axle, the fixed axle tip is provided with and is used for kicking block and the fastener fixed with the adjusting arm, clamping device is provided with the displacement sensor who is used for measuring the armed lever motion displacement of adjusting arm.
Furthermore, drive arrangement includes servo motor, reduction gear one end with servo motor is connected, the other end with torque sensor connects.
Further, the fastening device comprises a pressing block, and the pressing block is connected with the fixed shaft through a screw.
Further, the torque sensor is coaxial with the fixed shaft.
Further, the clamping arm of the clamping device is provided with an adjusting screw.
Further, the fixing base includes first fixing base and second fixing base, first fixing base with the second fixing base passes through bolted connection.
Further, still include PLC controlling means, drive arrangement with torque sensor, displacement sensor with PLC controlling means electric connection.
Further, the driving device is connected with the workbench through a first support, and the torque sensor is connected with the workbench through a second support.
The utility model has the advantages that: the utility model provides an automatic adjusting arm free gap testing arrangement, includes clamping device, clamping device one side is provided with drive arrangement, torque sensor one end with drive arrangement connects, the other end with clamping device connects, the clamping device opposite side is provided with fixing device, fixing device is including the fixed axle that is used for fixed adjusting arm and being used for fixing the fixing base of fixed axle, the fixed axle tip is provided with and is used for kicking block and the fastener fixed with the adjusting arm, clamping device is provided with the displacement sensor who is used for measuring the armed lever motion displacement of adjusting arm. The clamping device and the fixing device fix the adjusting arm, the driving device drives the arm rod of the adjusting arm to synchronously swing along with the clamping device, the torque sensor monitors the output torque of the driving device, and the displacement sensor measures the moving displacement of the arm rod of the adjusting arm, so that the free gap of the adjusting arm is measured. The utility model relates to a rationally, convenient to use can judge the adjustment performance of the preceding adjustment arm of dispatching from the factory, makes the product satisfy the in-service use demand.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Description of reference numerals:
1-clamping device 11-clamping arm
12-screw 2-driving device
21-servo motor 22-speed reducer
23-first support 3-Torque sensor
31-second support 4-fixing device
41-fixed shaft 42-fixed seat
421-first fixing seat 422-second fixing seat
43-top block 44-fastening device
441-pressing block 5-displacement sensor
6-the working table.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the automatic adjusting arm free gap testing device of this embodiment includes a clamping device 1, a driving device 2 and a torque sensor 3 are disposed on one side of the clamping device 1, one end of the torque sensor 3 is connected to the driving device 2, the other end of the torque sensor is connected to the clamping device 1, a fixing device 4 is disposed on the other side of the clamping device 1, the fixing device 4 includes a fixing shaft 41 for fixing an adjusting arm and a fixing seat 42 for fixing the fixing shaft 41, the torque sensor 3 is coaxial with the fixing shaft 41, an ejector block 43 and a fastening device 44 for fixing the adjusting arm are disposed at the end of the fixing shaft 41, and the clamping device 1 is provided with a displacement sensor 5 for measuring the arm rod movement displacement of the adjusting arm.
When the device is used, a worm wheel of the adjusting arm is sleeved at the front end of the fixing shaft 41, the adjusting arm is fixed through the ejector block 43 and the fastening device 44, the extending length of the fixing shaft 41 is adjusted, the arm rod of the adjusting arm is fixed through the clamping arm 11 of the clamping device 1, the driving device 2 is started, the driving device 2 drives the clamping device 1 to swing in a reciprocating mode, the clamping device 1 loads the adjusting arm, the arm rod of the adjusting arm synchronously swings in an arc mode along with the clamping device 1, the torque sensor 3 can monitor the output torque of the driving device 2, the displacement sensor can detect the movement displacement of the arm rod of the adjusting arm, and the tested displacement is the free clearance value. And rotating the worm to enable the worm wheel to rotate by a certain angle, repeating the measurement once again, measuring five times in this way to obtain five measurement results, and judging whether the adjusting arm is qualified or not according to the measurement results.
The driving device 2 comprises a servo motor 21 and a speed reducer 22, wherein one end of the speed reducer 22 is connected with the servo motor 21, and the other end of the speed reducer 22 is connected with the torque sensor 3.
The fastening device 44 includes a pressing block 441, the pressing block 441 is connected to the fixing shaft 41 by a screw, and the pressing block 441 presses the worm wheel of the adjusting arm toward the top block 43, so that the adjusting arm is fixed.
The clamping arm 11 of the clamping device 1 is provided with an adjusting screw 12, so that the arm rod of the adjusting arm can be clamped conveniently.
The fixing seat 42 includes a first fixing seat 421 and a second fixing seat 422, and the first fixing seat 421 and the second fixing seat 422 are connected by bolts, so as to adjust the extending length of the fixing shaft 41.
Still include PLC controlling means, drive arrangement 2 with torque sensor 3, displacement sensor 5 with PLC controlling means electric connection.
The driving device 2 is connected with the workbench 6 through a first bracket 23, and the torque sensor 3 is connected with the workbench 6 through a second bracket 31.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. Automatic adjustment arm free clearance testing arrangement, its characterized in that: including clamping device (1), clamping device (1) one side is provided with drive arrangement (2), torque sensor (3) one end with drive arrangement (2) are connected, the other end with clamping device (1) are connected, clamping device (1) opposite side is provided with fixing device (4), fixing device (4) are including fixed axle (41) that are used for fixed adjustment arm and being used for fixing base (42) of fixed axle (41), fixed axle (41) tip is provided with and is used for kicking block (43) and fastener (44) fixed with the adjustment arm, clamping device (1) are provided with displacement sensor (5) that are used for measuring the armed lever motion displacement of adjustment arm.
2. The automatic leveling arm free gap testing apparatus of claim 1, wherein: the driving device (2) comprises a servo motor (21) and a speed reducer (22), one end of the speed reducer (22) is connected with the servo motor (21), and the other end of the speed reducer is connected with the torque sensor (3).
3. The automatic leveling arm free gap testing apparatus of claim 1, wherein: the fastening device (44) comprises a pressing block (441), and the pressing block (441) is connected with the fixed shaft (41) through a screw.
4. The automatic leveling arm free gap testing apparatus of claim 1, wherein: the torque sensor (3) is coaxial with the fixed shaft (41).
5. The automatic leveling arm free gap testing apparatus of claim 1, wherein: and the clamping arm (11) of the clamping device (1) is provided with an adjusting screw (12).
6. The automatic leveling arm free gap testing apparatus of claim 1, wherein: the fixing seat (42) comprises a first fixing seat (421) and a second fixing seat (422), and the first fixing seat (421) is connected with the second fixing seat (422) through a bolt.
7. The automatic leveling arm free gap testing apparatus of claim 1, wherein: the device is characterized by further comprising a PLC control device, wherein the driving device (2), the torque sensor (3), the displacement sensor (5) and the PLC control device are electrically connected.
8. The automatic leveling arm free gap testing apparatus of claim 1, wherein: the driving device (2) is connected with the workbench (6) through a first support (23), and the torque sensor (3) is connected with the workbench (6) through a second support (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021126787.3U CN212082326U (en) | 2020-06-17 | 2020-06-17 | Automatic adjusting arm free clearance testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021126787.3U CN212082326U (en) | 2020-06-17 | 2020-06-17 | Automatic adjusting arm free clearance testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212082326U true CN212082326U (en) | 2020-12-04 |
Family
ID=73557238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021126787.3U Active CN212082326U (en) | 2020-06-17 | 2020-06-17 | Automatic adjusting arm free clearance testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212082326U (en) |
-
2020
- 2020-06-17 CN CN202021126787.3U patent/CN212082326U/en active Active
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