CN115263956A - Device and method for detecting working state of motor electromagnetic brake - Google Patents
Device and method for detecting working state of motor electromagnetic brake Download PDFInfo
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- CN115263956A CN115263956A CN202210640706.9A CN202210640706A CN115263956A CN 115263956 A CN115263956 A CN 115263956A CN 202210640706 A CN202210640706 A CN 202210640706A CN 115263956 A CN115263956 A CN 115263956A
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- brake
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- armature
- support
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to the technical field of state detection of an electric control brake, in particular to a device and a method for detecting the working state of a motor electromagnetic brake, aiming at the problems that the existing motor electromagnetic brake is not provided with releasing and closing state detection functions, the working state of the motor electromagnetic brake can be judged only by manual observation, and the reliability, the safety and the stability are low, the invention provides the following scheme. The invention does not need to observe and judge manually, thus improving the reliability, safety and stability.
Description
Technical Field
The invention relates to the technical field of state detection of an electric control brake, in particular to a device and a method for detecting the working state of an electromagnetic brake of a motor.
Background
When the motor runs, a brake coil is electrified to attract the armature and compress the spring, the brake is opened, and the motor runs. When the motor stops, the brake coil is powered off, the brake loses magnetic attraction, the armature is pushed by the spring to compress the friction disc, friction torque is generated, and the motor brakes. The motor electromagnetic brake is one of important parts for ensuring safe and normal operation in machines such as ropeways, elevators, metallurgy, hoisting machinery and the like. When the brake is used, the electromagnetic brake of the motor fails due to the influence of various factors such as electrical or mechanical failures and the like, so that the action of the electromagnetic brake is abnormal, and the safe operation of mechanical equipment is influenced.
However, the existing motor electromagnetic brake is not provided with the releasing and closing state detection functions, the working state of the motor electromagnetic brake can be judged only by manual observation, and after a motor shield is installed on the motor, the working state of an electromagnetic band-type brake is difficult to observe manually, so that the automatic display of the working state of the brake and the automatic control of mechanical equipment are difficult to realize. When the work of the electromagnetic brake is abnormal, the linkage control of the electric control system can not be completed, so that the mechanical equipment is damaged and even the personnel safety is harmed. A method for detecting the released and closed states of an electromagnetic brake of an electric machine is therefore proposed.
Disclosure of Invention
The invention aims to solve the defects that the existing motor electromagnetic brake is not provided with a releasing and closing state detection function, the working state of the motor electromagnetic brake can be judged only by manual observation, and the reliability, safety and stability are low.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a detection apparatus for motor electromagnetic brake operating condition, includes yoke body and armature, armature movable mounting is on yoke body, and fixed mounting has support two on the yoke body, and fixed mounting has micro-gap switch on the support two, and fixed mounting has support one on the armature.
Preferably, the second bracket, the micro switch and the first bracket are all provided with fixing holes.
Preferably, the microswitch is fixedly provided with a public end, the microswitch is fixedly provided with a normally open contact, and the microswitch is fixedly provided with a normally closed contact.
Preferably, a locking nut is fixedly mounted on the first bracket.
Preferably, the locking nut is provided with an adjusting screw in a threaded manner.
The use method of the detection device for the working state of the electromagnetic brake of the motor comprises the following steps:
s1: the microswitch has the characteristics of high precision and high sensitivity, and is suitable for detecting the action state of the brake;
s2: when the magnetic yoke is installed, the adjusting screw on the brake is adjusted to enable the gap between the magnetic yoke body and the armature iron to reach a specified value;
s3: the adjusting screw and the locking nut are installed on the first support, the first support and the adjusting screw are installed on the armature, the micro switch is installed on the second support, and the second support and the micro switch are installed on the yoke body.
S4: and electrifying the brake, adsorbing the armature by the magnetic yoke body coil, reducing the gap of the brake, driving the first support and the adjusting screw assembly to act by the armature, pressing the microswitch by collision, and measuring a switch signal of the microswitch by a universal meter. The adjusting screw is adjusted until the micro switch has switch action when the brake is powered on, and the micro switch has no action when the brake is powered off. And after the adjustment is finished, the locking nut is locked.
S5: therefore, the working state of the electromagnetic brake of the motor can be detected by detecting the state of the microswitch.
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the magnetic yoke body, the armature, the second bracket, the micro switch, the common end, the normally open contact, the normally closed contact, the fixed hole and the first bracket are arranged, so that the reliability, the safety and the stability of the equipment are improved during detection;
(2) This scheme is owing to set up lock nut, adjusting screw, can adjust the size in the clearance between the armature and the yoke body.
The invention does not need to observe and judge manually, and improves the reliability, safety and stability.
Drawings
Fig. 1 is a schematic overall structural diagram of a device for detecting an operating state of an electromagnetic brake of a motor according to the present invention;
fig. 2 is a schematic perspective view of a magnetic yoke body and an armature of the detection device for the working state of the electromagnetic brake of the motor according to the present invention.
In the figure: 1. a yoke body; 2. an armature; 3. a second bracket; 4. a microswitch; 5. a common terminal; 6. a normally open contact; 7. a normally closed contact; 8. a fixing hole; 9. a first bracket; 10. locking the nut; 11. and adjusting the screw.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Referring to fig. 1-2, a detection device for the working state of an electromagnetic brake of a motor comprises a yoke body 1 and an armature 2, wherein the armature 2 is movably installed on the yoke body 1, a bracket II 3 is fixedly installed on the yoke body 1, a microswitch 4 is fixedly installed on the bracket II 3, and a bracket I9 is fixedly installed on the armature 2.
In this embodiment, the second bracket 3, the microswitch 4 and the first bracket 9 are all provided with fixing holes 8.
In this embodiment, a common terminal 5 is fixedly installed on the micro switch 4, a normally open contact 6 is fixedly installed on the micro switch 4, and a normally closed contact 7 is fixedly installed on the micro switch 4.
In this embodiment, a locking nut 10 is fixedly mounted on the first bracket 9.
In this embodiment, the adjusting screw 11 is threadedly mounted on the lock nut 10.
The use method of the detection device for the working state of the electromagnetic brake of the motor comprises the following steps:
s1: the microswitch 4 has the characteristics of high precision and high sensitivity, and is suitable for detecting the action state of the brake;
s2: when the magnetic yoke is installed, the adjusting screw 11 on the brake is adjusted to enable the gap between the magnetic yoke body 1 and the armature iron 2 to reach a specified value;
s3: the adjusting screw 11 and the locking nut 10 are installed on the first support 9, the assembly of the first support 9 and the adjusting screw 11 is installed on the armature 2, the microswitch 4 is installed on the second support 3, and the assembly of the second support 3 and the microswitch 4 is installed on the yoke 1.
S4: and energizing the brake, adsorbing the armature 2 by the coil of the magnetic yoke body 1, reducing the gap of the brake, driving the support I9 and the adjusting screw 11 to move by the action of the armature 2, pressing the microswitch 4 by collision, and measuring a switch signal of the microswitch 4 by a universal meter. The adjusting screw 11 is adjusted until the microswitch 4 has a switch action when the brake is powered on, and the microswitch 4 has no action when the brake is powered off. After the adjustment is completed, the lock nut 10 is locked.
S5: therefore, the working state of the electromagnetic brake of the motor can be detected by detecting the state of the microswitch 4.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and the technical solutions and the inventive concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a detection apparatus for motor electromagnetic braking ware operating condition, includes yoke body (1) and armature (2), its characterized in that, armature (2) movable mounting is on yoke body (1), and fixed mounting has support two (3) on yoke body (1), and fixed mounting has micro-gap switch (4) on support two (3), and fixed mounting has support one (9) on armature (2).
2. The device for detecting the working state of the electromagnetic brake of the motor according to claim 1, wherein the second bracket (3), the microswitch (4) and the first bracket (9) are all provided with fixing holes (8).
3. The device for detecting the working state of the electromagnetic brake of the motor according to claim 1, wherein a common end (5) is fixedly installed on the microswitch (4), a normally open contact (6) is fixedly installed on the microswitch (4), and a normally closed contact (7) is fixedly installed on the microswitch (4).
4. The device for detecting the working state of the electromagnetic brake of the motor as claimed in claim 1, characterized in that a locking nut (10) is fixedly arranged on the first bracket (9).
5. The device for detecting the working state of the electromagnetic brake of the motor as claimed in claim 4, characterized in that the adjusting screw (11) is threadedly mounted on the lock nut (10).
6. The use method of the device for detecting the working state of the electromagnetic brake of the motor is characterized by comprising the following steps of:
s1: when the magnetic yoke is installed, the adjusting screw (11) on the brake is adjusted to enable the clearance between the magnetic yoke body (1) and the armature (2) to reach a specified value;
s2: installing an adjusting screw (11) and a locking nut (10) on a first support (9), installing a combination of the first support (9) and the adjusting screw (11) on an armature (2), installing a microswitch (4) on a second support (3), and installing a combination of the second support (3) and the microswitch (4) on a yoke body (1);
s3: the brake is electrified, the armature (2) is adsorbed by the coil of the magnetic yoke body (1), the gap of the brake is reduced, the armature (2) acts to drive the support I (9) and the adjusting screw (11) combined body to act, the microswitch (4) is pressed by collision, and a universal meter is used for measuring a switch signal of the microswitch (4); adjusting the adjusting screw (11) until the micro switch (4) has switch action when the brake is powered on and the micro switch (4) has no action when the brake is powered off; after adjustment is finished, the locking nut (10) is locked;
s4: the working state of the electromagnetic brake of the motor is detected by detecting the state of the microswitch (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640706.9A CN115263956A (en) | 2022-06-08 | 2022-06-08 | Device and method for detecting working state of motor electromagnetic brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640706.9A CN115263956A (en) | 2022-06-08 | 2022-06-08 | Device and method for detecting working state of motor electromagnetic brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115263956A true CN115263956A (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210640706.9A Pending CN115263956A (en) | 2022-06-08 | 2022-06-08 | Device and method for detecting working state of motor electromagnetic brake |
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| CN (1) | CN115263956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116905603A (en) * | 2023-06-26 | 2023-10-20 | 太原重工股份有限公司 | Bucket out-of-control protection system and method caused by mining excavator gas circuit fault |
-
2022
- 2022-06-08 CN CN202210640706.9A patent/CN115263956A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116905603A (en) * | 2023-06-26 | 2023-10-20 | 太原重工股份有限公司 | Bucket out-of-control protection system and method caused by mining excavator gas circuit fault |
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