CN212807642U - Crane rotation limiting detection device - Google Patents
Crane rotation limiting detection device Download PDFInfo
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- CN212807642U CN212807642U CN202021332541.1U CN202021332541U CN212807642U CN 212807642 U CN212807642 U CN 212807642U CN 202021332541 U CN202021332541 U CN 202021332541U CN 212807642 U CN212807642 U CN 212807642U
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- driving motor
- detection device
- fixed connection
- fixing base
- servo driving
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Abstract
The utility model provides a rotatory spacing detection device of hoist, include: the output end of the controller is connected with the input control end of the servo driving motor, the encoder is connected with one end of an output shaft of the servo driving motor, and the other end of the output shaft of the servo driving motor is connected with a rotating shaft for rotation limiting through a diaphragm coupling; rotatory spacing body and spacing fixing base fixed connection are equipped with the hole that is used for the diaphragm coupling to pass on the spacing fixing base, and the outside parcel of diaphragm coupling has flange joint spare, flange joint spare's one end and servo drive motor's shell fixed connection, flange joint spare's the other end and spacing fixing base fixed connection. The utility model has the advantages as follows: the rotation speed of the servo drive motor can be adjusted according to different speed ratios, and the trigger states of all limit switches can be detected. The automatic detection device has the advantages of high automation degree, comprehensive functions, compact structure, good stability and high detection precision.
Description
Technical Field
The utility model relates to a hoist check out test set technical field especially indicates a rotatory spacing detection device of hoist.
Background
The crane generally adopts rotation limit to limit the lifting height and prevent top impact. The rotation limit is used as the crane anti-jacking limit, different reduction ratios are required to be selected according to different hoisting heights of the crane, so that the positioning precision is improved, the limit safety and reliability of the crane are critical, and therefore the speed ratio, reliability and safety of the rotation limit are generally detected during production.
At present, the traditional method for detecting the rotation limit of a crane is as follows: whether the limit microswitch can be normally switched on or off is checked through a universal meter, and the limit worm is manually rotated to check the rotation condition of the limit cam. The traditional rotation limit detection method cannot detect the speed ratio, and is low in detection efficiency and poor in precision. Therefore, a crane rotation limit detection device capable of automatically detecting the on-off of the microswitch, the transmission mechanism and the limit speed ratio is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rotatory spacing detection device of hoist has solved among the prior art traditional detection method inefficiency, poor, the problem that can not detect the velocity ratio of precision.
The technical scheme of the utility model is realized like this:
a crane rotation limit detection device comprises: the output end of the controller is connected with the input control end of the servo drive motor, the encoder is connected with one end of the output shaft of the servo drive motor, and the other end of the output shaft of the servo drive motor is connected with a rotating shaft for rotation limiting through a diaphragm coupling; the rotary limiting body is fixedly connected with the limiting fixing seat, a hole used for the diaphragm coupler to pass through is formed in the limiting fixing seat, a flange connecting piece wraps the outside of the diaphragm coupler, one end of the flange connecting piece is fixedly connected with a shell of the servo driving motor, and the other end of the flange connecting piece is fixedly connected with the limiting fixing seat.
Preferably, the diaphragm coupler is provided with a waist-shaped hole, and the rotating shaft for rotating and limiting is fixedly inserted into the waist-shaped hole.
The controller can be a touch control integrated machine.
The utility model provides a rotatory spacing simple to operate can detect all limit switch's trigger state according to the rotational speed of the velocity ratio adjustment servo drive motor of difference. After the detection is finished, the actual speed ratio can be automatically calculated, and whether the product quality state is qualified or not is judged. Wherein the control of the detection process is completed by the controller, and the rotating speed and the number of turns of the rotation are detected by the encoder.
The utility model has the advantages that:
the automatic detection device has the advantages of high automation degree, comprehensive functions, compact structure, good stability and high detection precision.
The servo driver is adopted as a power mechanism, and the rotating speed can be adjusted according to the limiting speed ratio to improve the detection efficiency and accuracy.
The encoder is used as a detection element for the rotating speed and the number of rotating turns, and closed-loop control is realized.
The servo driving motor and the rotary limit are directly connected through the diaphragm coupler, so that the limit is synchronous with the motor, and the detection result is more accurate. The diaphragm coupler is provided with a waist-shaped hole convenient for limiting and mounting, and the test can be performed by limiting and directly inserting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a crane rotation limit detection device of the present invention;
fig. 2 is a front view of fig. 1.
In the figure:
1. servo drive motor, 2, encoder, 3, spacing fixing base, 4, rotation limit, 5, diaphragm coupling.
Detailed Description
The technical solutions 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As can be seen from the embodiment shown in fig. 1-2, the utility model discloses a crane rotation limit detection device, include: the device comprises a servo driving motor 1, an encoder 2, a limiting fixed seat 3 and a controller, wherein the output end of the controller is connected with the input control end of the servo driving motor 1, the encoder 2 is connected with one end of the output shaft of the servo driving motor 1, and the other end of the output shaft of the servo driving motor 1 is connected with a rotating shaft of a rotation limiting 4 through a diaphragm coupling 5; rotatory spacing 4 body and 3 fixed connection of spacing fixing base are equipped with the hole that is used for diaphragm coupling 5 to pass on the spacing fixing base 3, and diaphragm coupling 5's outside parcel has flange joint spare, flange joint spare's one end and servo drive motor 1's shell fixed connection, flange joint spare's the other end and 3 fixed connection of spacing fixing base.
The diaphragm coupler 5 is provided with a kidney-shaped hole, and a rotating shaft of the rotation limiting 4 is fixedly inserted into the kidney-shaped hole.
The controller can be a touch control integrated machine. Adopt the touch-control all-in-one as control mechanism, can swiftly set up parameters such as rotational speed, spacing model, direction of rotation to can show detection state and result through the display, make things convenient for inspection personnel to judge the testing result.
To sum up, the utility model discloses degree of automation is high, the function is comprehensive, compact structure, stability is good, the detection precision is high.
The servo driving motor 1 is adopted as a power mechanism, and the rotating speed can be adjusted according to the limiting speed ratio to improve the detection efficiency and accuracy.
The encoder 2 is used as a detection element for the rotating speed and the number of rotating turns, and closed-loop control is realized.
The servo driving motor 1 and the rotation limit 4 are directly connected through the diaphragm coupler 5, so that the rotation limit 4 and the servo driving motor 1 are synchronous, and the detection result is more accurate. The waist-shaped hole convenient for limiting installation is formed in the diaphragm coupler 5, the rotation limiting 4 can be directly inserted for testing, and the testing convenience is improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a hoist rotation limit detection device which characterized in that includes: the device comprises a servo driving motor (1), an encoder (2), a limiting fixing seat (3) and a controller, wherein the output end of the controller is connected with the input control end of the servo driving motor (1), the encoder (2) is connected with one end of an output shaft of the servo driving motor (1), and the other end of the output shaft of the servo driving motor (1) is connected with a rotating shaft of a rotating limiting seat (4) through a diaphragm coupling (5); rotatory spacing (4) body with spacing fixing base (3) fixed connection, be equipped with on spacing fixing base (3) and be used for the hole that diaphragm coupling (5) passed, the outside parcel of diaphragm coupling (5) has flange joint spare, flange joint spare's one end with the shell fixed connection of servo drive motor (1), flange joint spare's the other end with spacing fixing base (3) fixed connection.
2. The crane rotation limit detection device according to claim 1, wherein a kidney-shaped hole is formed in the diaphragm coupling (5), and a rotating shaft of the rotation limit (4) is fixedly inserted into the kidney-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021332541.1U CN212807642U (en) | 2020-07-09 | 2020-07-09 | Crane rotation limiting detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021332541.1U CN212807642U (en) | 2020-07-09 | 2020-07-09 | Crane rotation limiting detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212807642U true CN212807642U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021332541.1U Active CN212807642U (en) | 2020-07-09 | 2020-07-09 | Crane rotation limiting detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212807642U (en) |
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2020
- 2020-07-09 CN CN202021332541.1U patent/CN212807642U/en active Active
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