CN211262189U - Angle testing device of moment limiter - Google Patents
Angle testing device of moment limiter Download PDFInfo
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- CN211262189U CN211262189U CN202020166341.7U CN202020166341U CN211262189U CN 211262189 U CN211262189 U CN 211262189U CN 202020166341 U CN202020166341 U CN 202020166341U CN 211262189 U CN211262189 U CN 211262189U
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- rotating arm
- mounting groove
- rotating
- torque limiter
- angle sensor
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Abstract
The utility model provides an angle testing device of a torque limiter, which comprises a base and a rotating arm arranged above the base; a mounting rack is fixed on the base, a rotating shaft is mounted on the mounting rack through a bearing, and a rotating disc is fixed at one end of the rotating shaft; the middle part of the rotating arm is fixedly connected with the rotating shaft, one end of the rotating arm is provided with a standard angle sensor, and the other end of the rotating arm is provided with a mounting groove; the torque limiter is provided with a convex part matched with the mounting groove, and one side of the mounting groove is in threaded connection with a locking bolt; the torque limiter is quickly assembled and disassembled by utilizing the mounting groove and the locking bolt, so that the mounting is convenient; the standard angle sensor and the torque limiter are used for synchronously measuring the rotation angle of the rotating arm, the angle error of the torque limiter is compared and tested in real time, and the torque limiter is simple to operate and high in accuracy.
Description
Technical Field
The utility model relates to a moment limiter field, concretely relates to angle testing arrangement of moment limiter.
Background
The moment limiter is an overload protection device for ensuring the safe operation of the crane, can automatically detect the hanging load quality of equipment such as the crane and the angle of a crane boom, displays the rated load capacity, the actual load, the working radius, the angle of the crane boom and the like, monitors and detects the working condition of the crane in real time, and plays an important role in controlling and alarming the safe operation of the crane equipment.
The moment limiter needs to be subjected to error testing after production so as to ensure the reliability of detection. When the existing testing device is used for detecting the angle error of the torque limiter, the existing testing device is inconvenient to install and complex to operate, and the detection efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides an angle testing arrangement of moment limiter.
An angle testing device of a torque limiter comprises a base and a rotating arm arranged above the base; a mounting rack is vertically fixed on the base, a rotating shaft is mounted on the mounting rack through a bearing, and a rotating disc is fixed at one end of the rotating shaft penetrating through the mounting rack; the middle part of the rotating arm is fixedly connected with the rotating shaft, one end of the rotating arm is fixedly provided with a standard angle sensor, and the other end of the rotating arm is detachably provided with a torque limiter; the centers of the standard angle sensor, the rotating shaft and the moment limiter are positioned on the same straight line;
one end of the rotating arm, which is far away from the standard angle sensor, is provided with a mounting groove, and the torque limiter is provided with a convex part matched with the mounting groove; and one side of the mounting groove is in threaded connection with a locking bolt for fixing the torque limiter.
Preferably, one end of the rotating arm close to the standard angle sensor is provided with a balancing weight, and the balancing weight is detachably connected with the rotating arm through a bolt.
Preferably, a plurality of elastic clamping plates are uniformly distributed on the inner side wall of the mounting groove.
Preferably, a display is mounted on the mounting frame, and the standard angle sensor and the torque limiter are electrically connected with the display.
The utility model has the advantages that: 1. one end of the rotating arm is fixedly provided with a standard angle sensor, and the other end of the rotating arm is detachably provided with a torque limiter; the torque limiter is quickly assembled and disassembled by utilizing the mounting groove and the locking bolt, so that the mounting is convenient; the standard angle sensor and the torque limiter are used for synchronously measuring the rotation angle of the rotating arm, so that the angle error of the torque limiter is compared and tested in real time, the operation is simple, and the accuracy is high; 2. the counterweight block is detachably mounted at one end of the rotating arm close to the standard angle sensor, and after the torque limiter is mounted, the gravity center of the rotating arm is adjusted by using the counterweight block, so that the gravity center of the rotating arm is basically superposed with the center of the rotating shaft, the rotation and the balance of the rotating arm are facilitated, and the measurement error is reduced.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic view of an installation state of the embodiment of the present invention;
the figures in the drawings represent:
1. base 2, mounting bracket 3, mounting panel 4, display 5, pivot 6, rolling disc
7. Rotating arm 8, standard angle sensor 9, mounting groove 10, elastic clamping plate 11 and locking bolt
12. Moment limiter 13, bellying 14, balancing weight.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "up", "down", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, an angle testing device of a moment limiter comprises a base 1, wherein a mounting frame 2 is vertically fixed on the base 1. The display 4 is installed on the mounting frame 2 through the mounting plate 3, and the rotating shaft 5 is installed on the upper portion of the mounting frame 2 through a bearing. The front end of the rotating shaft 5 penetrates through the mounting frame 2 to be fixed with a rotating disc 6, and the rotating disc 6 is rotated to drive the rotating shaft 5 to rotate.
The middle part of rocking arm 7 and pivot 5 fixed connection, the left end fixed mounting of rocking arm 7 has standard angle sensor 8, and the signal output part of standard angle sensor 8 is connected with display 4 electricity. The right-hand member of rocking arm 7 is equipped with mounting groove 9, and even distribution has a plurality of elastic clamping plate 10 on the inside wall of mounting groove 9, and one side threaded connection of mounting groove 9 has locking bolt 11. The moment limiter 12 is provided with a convex part 13 matched with the mounting groove 9, the moment limiter 12 can be mounted at the right end of the rotating arm 7 by inserting the convex part 13 into the mounting groove 9 and then screwing the locking bolt 11 (the centers of the standard angle sensor 8, the rotating shaft 5 and the moment limiter 12 are positioned on the same straight line during mounting), and the mounting and dismounting are convenient.
The left end of the rotating arm 7 is also detachably provided with a balancing weight 14 through a bolt. After the moment limiter 12 at the right end of the rotating arm 7 is installed, different balancing weights 14 can be installed at the left end of the rotating arm 7 according to the weight of the moment limiter 12, and the gravity center of the rotating arm 7 is adjusted by using the balancing weights 14, so that the gravity center of the rotating arm 7 is basically coincided with the center of the rotating shaft 5, the rotation and the balance of the rotating arm 7 are facilitated, and the measurement error is reduced.
During testing, the convex part 13 of the moment limiter 12 is inserted into the mounting groove 9 and the locking bolt 11 is screwed; after the moment limiter 12 is mounted on the right end of the swivel arm 7, the signal output of the moment limiter 12 is connected to the display 4. A suitable counterweight 14 is then mounted at the left end of the boom 7 to substantially balance the two ends of the boom 7. Finally, the rotating disc 6 is rotated to drive the rotating arm 7 to rotate by different angles, the standard angle sensor 8 and the moment limiter 12 at the two ends of the rotating arm 7 are used for synchronously measuring the rotating angle of the rotating arm 7, the angle error of the moment limiter 12 is compared and tested in real time through the display 4, and the test accuracy is guaranteed while the operation is simple. After the test is finished, the moment limiter 12 can be taken down by loosening the locking bolt 11, and the next moment limiter 12 can be installed and tested by repeating the steps, so that the detection efficiency is ensured.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
Claims (4)
1. The utility model provides an angle testing arrangement of moment limiter which characterized in that: comprises a base and a rotating arm arranged above the base; a mounting rack is vertically fixed on the base, a rotating shaft is mounted on the mounting rack through a bearing, and a rotating disc is fixed at one end of the rotating shaft penetrating through the mounting rack; the middle part of the rotating arm is fixedly connected with the rotating shaft, one end of the rotating arm is fixedly provided with a standard angle sensor, and the other end of the rotating arm is detachably provided with a torque limiter; the centers of the standard angle sensor, the rotating shaft and the moment limiter are positioned on the same straight line;
one end of the rotating arm, which is far away from the standard angle sensor, is provided with a mounting groove, and the torque limiter is provided with a convex part matched with the mounting groove; and one side of the mounting groove is in threaded connection with a locking bolt for fixing the torque limiter.
2. The angle testing device of a moment limiter according to claim 1, wherein: the rocking arm is close to the one end of standard angle sensor is equipped with the balancing weight, the balancing weight pass through the bolt with the rocking arm can be dismantled and be connected.
3. The angle testing device of a moment limiter according to claim 1, wherein: a plurality of elastic clamping plates are uniformly distributed on the inner side wall of the mounting groove.
4. An angle testing device of a moment limiter according to any one of claims 1, 2 or 3, wherein: the display is installed on the mounting frame, the standard angle sensor and the moment limiter are electrically connected with the display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020166341.7U CN211262189U (en) | 2020-02-13 | 2020-02-13 | Angle testing device of moment limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020166341.7U CN211262189U (en) | 2020-02-13 | 2020-02-13 | Angle testing device of moment limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262189U true CN211262189U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020166341.7U Active CN211262189U (en) | 2020-02-13 | 2020-02-13 | Angle testing device of moment limiter |
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| CN (1) | CN211262189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433260A (en) * | 2021-06-29 | 2021-09-24 | 广东技术师范大学 | Flame retardant property test fixture for electronic anti-theft lock |
-
2020
- 2020-02-13 CN CN202020166341.7U patent/CN211262189U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433260A (en) * | 2021-06-29 | 2021-09-24 | 广东技术师范大学 | Flame retardant property test fixture for electronic anti-theft lock |
| CN113433260B (en) * | 2021-06-29 | 2023-02-03 | 广东技术师范大学 | Flame retardant property test fixture for electronic anti-theft lock |
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