CN210927378U - Double-output-shaft double-steering motor ground brush installation and detection device - Google Patents
Double-output-shaft double-steering motor ground brush installation and detection device Download PDFInfo
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- CN210927378U CN210927378U CN201922282867.1U CN201922282867U CN210927378U CN 210927378 U CN210927378 U CN 210927378U CN 201922282867 U CN201922282867 U CN 201922282867U CN 210927378 U CN210927378 U CN 210927378U
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Abstract
The utility model provides a two axle double steering motor scrubbing brushes installation and detection device contains: two scrubbing brush installation detecting element and scrubbing brush adaptation differentiate the unit. The two floor brush installation detection units are respectively fixedly arranged at the front shaft end and the rear shaft end of the motor, have no interference with a shaft lever of the motor and are used for installing floor brushes, and when the floor brushes are installed on the floor brush installation detection units, the floor brush installation detection units generate and send floor brush detection signals; and the ground brush adaptation judging unit is electrically connected with the motor and the ground brush installation detecting unit, judges whether the ground brush is installed correctly or not according to the input shaft lever steering information and the ground brush detection signal, and stops the motor from starting when judging that the ground brush is installed incorrectly.
Description
Technical Field
The utility model relates to an electrical automation field, concretely relates to installation of two axle double steering motor scrubbing brushes and detection device.
Background
In an air separation apparatus, in order to improve the compatibility of equipment, large compressors having the same rotation speed and similar power may be driven by the same motor. The compressor is connected with the shaft lever of the motor through the coupling, and the traditional single-output-shaft single-steering motor can only be connected with one-steering compressor. Because the compressors are in different steering directions and the mechanical connection between the compressors and the coupling is also different, the traditional single-output-shaft single-steering motor cannot be simultaneously suitable for compressors with the same rotating speed and similar power but in different steering directions, and at the moment, the double-output-shaft double-steering motor can be operated at the same time. One end of the double-output-shaft double-steering motor shaft rod can be connected with a clockwise-steering compressor, the other end of the double-output-shaft double-steering motor shaft rod can be connected with a counterclockwise-steering compressor, and the two ends of the double-output-shaft double-steering motor shaft rod are not connected with the compressors at the same time.
In the running process of the motor, if shaft current exists between two bearing ends or a shaft lever and a bearing of the motor, the service life of the bearing of the motor can be greatly shortened. In order to avoid the generation of shaft current, the insulation of a bearing on the non-coupling side must be ensured, and a grounding ground brush is arranged at the driving end (namely, the end connected with a compressor) of the shaft lever of the motor, so that the shaft lever is reliably grounded, and the zero potential of the shaft lever is ensured. The single output shaft motor only has one driving end, the coupler is installed at the driving end and connected with the compressor, and the generation of shaft current can be prevented only by installing the ground brush at the driving end. The installation mode of the floor brush of the single-output-shaft motor is simple and is not easy to make mistakes. Both ends of the shaft rod of the double-shaft double-steering motor can be used as driving ends, if the driving ends are not provided with ground brushes, insulation of the non-driving ends is damaged improperly, and the driving ends are not grounded improperly.
Therefore, a device for installing and detecting a double-output-shaft and double-steering motor ground brush is needed, which can detect whether the ground brush is installed correctly, prevent the motor from being started when the ground brush is installed incorrectly, ensure the reliable grounding of a shaft lever of the motor, and ensure the safe operation of the double-output-shaft and double-steering motor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two axle double steering motor ground brush installation and detection device, can detect which end of the axostylus axostyle of motor has installed the ground brush, and according to the detection circumstances generate and send the ground brush detected signal, judge whether the ground brush installation is correct according to the ground brush detected signal and the axostylus axostyle steering information of input; when the installation error of the floor brush is judged, the motor is prevented from starting.
In order to achieve the purpose, the utility model provides a two motor scrubbing brushes of turning to of two play axles installation and detection device, the motor can be through the compressor that the axle head cooperation difference that two differences of same axostylus axostyle turned to, the axle head before of the compressor that anticlockwise turned to is connected to the definition, connects the compressor that clockwise turns to for the back axle head, and the compressor passes through the coupling joint preceding axle head or back axle head, preceding axle head and back axle head are not the connection compressor simultaneously. Two axle birotation motor scrubbing brushes installation and detection device contain:
the two ground brush installation detection units are respectively and fixedly arranged at the front shaft end and the rear shaft end of the motor; the floor brush installation detection unit has no interference with the shaft lever and is used for installing a floor brush; when the floor brush installation detection unit is provided with the floor brush, the floor brush installation detection unit generates and sends a floor brush detection signal;
the ground brush adaptation judging unit is electrically connected with the motor and the ground brush installation detecting unit, and judges whether the ground brush is installed correctly or not according to the input shaft lever steering information and the ground brush detection signal; when the installation error of the floor brush is judged, the floor brush adaptation judging unit prevents the motor from starting.
Preferably, the floor brush installation detection unit is provided with a brush holder, the brush holder is provided with a clamping groove matched with the floor brush, and the floor brush is embedded into the clamping groove, so that the end face of the first end of the floor brush is attached to the shaft lever of the motor.
Preferably, the brush holder extends in a direction away from the shaft to form an extension.
Preferably, the floor brush installation detection unit further comprises a connecting rod; the middle part of the connecting rod is hinged with the extension part; the first end of the connecting rod corresponds to the clamping groove in position.
Preferably, the floor brush mounting detection unit further comprises a position detection switch for generating the floor brush detection signal; the position detection switch is fixedly arranged on the brush holder and is positioned between the brush holder and the second end of the connecting rod; the extension part is positioned between the position detection switch and the card slot; and triggering the position detection switch through the second end of the connecting rod to generate the ground brush detection signal.
Preferably, the floor brush installation detection unit further comprises an elastic device arranged between the extension part and the clamping groove; the first end of the connecting rod is elastically connected with the brush holder through the elastic device, so that when the floor brush is not installed in the clamping groove, the second end of the connecting rod is not in contact with the position detection switch.
Preferably, the position detection switch comprises a switch body and a switch key; the switch body is fixedly arranged on the brush holder, and the switch key extends out of the switch body and is positioned between the switch body and the second end of the connecting rod; when the floor brush is not installed in the clamping groove, the second end of the connecting rod is not in contact with the switch key; when installing the scrubbing brush in the draw-in groove, the first end of scrubbing brush second end terminal surface butt connecting rod increases the distance between first end of connecting rod and the brush yoke, realizes that the distance between connecting rod second end and the brush yoke reduces, through connecting rod second end butt switch button triggers the switch body generates scrubbing brush detected signal.
Preferably, the elastic means is a spring.
Preferably, the first end of the connecting rod and the second end of the connecting rod extend along the direction towards the brush holder to form a first contact and a second contact respectively; the end surface of the second end of the ground brush is abutted against the first contact; the switch key is abutted through the second contact.
Preferably, the shaft steering information includes clockwise steering information and counterclockwise steering information.
Preferably, the ground brush adaptation judging unit comprises a first signal input end and a second signal input end, the first signal input end receives a ground brush detection signal sent by the ground brush installation detection unit at the front shaft end, and the second signal input end receives a ground brush detection signal sent by the ground brush installation detection unit at the rear shaft end; when the shaft lever steering information input to the ground brush adaptation judging unit is anticlockwise and the first signal input end receives a ground brush detection signal, or the shaft lever steering information input to the ground brush adaptation judging unit is clockwise and the second signal input end receives the ground brush detection signal, the ground brush adaptation judging unit judges that the ground brush is installed correctly and allows the motor to start; otherwise, the ground brush adaptation judging unit judges that the ground brush is installed wrongly, prevents the motor from starting, and displays the ground brush installation mistake prompt on a human-computer interface.
Preferably, the ground brush is a carbon brush.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1) the utility model discloses have safe and reliable, reasonable high-efficient, simple to operate. No matter the front shaft end or the rear shaft end of the double-output-shaft double-steering motor is a driving end, after the floor brush is manually installed, the floor brush can be detected through the utility model, and the floor brush is installed at one end of the shaft lever of the motor;
2) the utility model discloses can install at the preceding axle head of two play axle double steering motors still back axle head by the automated inspection scrubbing brush, whether correct is judged the scrubbing brush installation automatically to the axostylus axostyle steering information that combines the input, has effectively avoided the possibility of artificial maloperation.
3) The utility model discloses can prevent the motor to start when judging scrubbing brush installation error, effectively ensure two play axle double steering motor safety work.
Drawings
In order to illustrate the technical solution of the present invention more clearly, the drawings needed for the description will be briefly introduced below, and it is obvious that the drawings in the following description are an embodiment of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to these drawings:
FIG. 1 is a schematic view of a device for mounting and detecting a double-output-shaft double-steering motor floor brush of the present invention;
FIG. 2 is a schematic view of a floor brush mounting and detecting unit of the present invention;
in the figure: 1. a floor brush mounting detection unit;
11. a brush holder; 111. a floor brush;
12. an extension portion;
13. a card slot;
14. a connecting rod; 141. a first contact; 142. a second contact;
15. an elastic device;
16. a position detection switch; 161. a switch body; 162. switching a key;
2. a ground brush adaptation judging unit;
3. a double-output-shaft double-steering motor; 31. a coupling; 32. a front shaft end; 33. a motor bearing; 34. and a rear shaft end.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. However, the present invention should be understood not to be limited to the embodiments described below, and the technical idea of the present invention may be implemented in combination with other known techniques or other techniques having the same functions as the known techniques.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The double-output-shaft double-steering motor 3 can be matched with compressors in different steering directions through two different steering shaft ends of the same shaft rod, and a front shaft end 32 connected with the compressor in the counterclockwise direction and a rear shaft end 34 connected with the compressor in the clockwise direction are defined. The compressor is connected with the front shaft end 32 and the rear shaft end 34 through the coupler 31, but the front shaft end 32 and the rear shaft end 34 are not connected with the compressor at the same time.
The utility model provides a two steering motor scrubbing brushes installation and detection device of play axle, as shown in fig. 1, contain: two floor brush installation detecting units 1 and a floor brush adaptation judging unit 2.
The two floor brush installation detection units 1 are respectively and fixedly arranged at the front shaft end 32 and the rear shaft end 34 of the motor, and the floor brush installation detection units 1 have no interference with the shaft rods and are used for installing floor brushes 111. When the floor brush installation detecting unit 1 is installed with the floor brush 111, it generates and transmits a floor brush detection signal.
As shown in fig. 2, the floor brush attachment detecting unit 1 includes: brush holder 11, connecting rod 14, position detection switch 16 and elastic device 15.
Brush holder 11 is equipped with a draw-in groove 13 that matches scrubbing brush 111, and scrubbing brush 111 embedding sets up in draw-in groove 13 for the first end terminal surface laminating motor shaft pole of scrubbing brush. The brush holder 11 extends in a direction away from the shaft to form an extension 12.
The middle part of the connecting rod 14 is hinged with the extension part 12, and the first end of the connecting rod corresponds to the position of the clamping groove 13. The first and second ends of the connecting rod extend in a direction toward the brush holder 11 to form first and second contacts 141 and 142, respectively.
The position detection switch 16 is used for generating the floor brush detection signal, is fixedly arranged on the brush holder 11, and is positioned between the brush holder 11 and the second end of the connecting rod. The extension part 12 is located between the position detection switch 16 and the card slot 13, and the position detection switch 16 is triggered by the second end of the connecting rod to generate the ground brush detection signal.
The ground brush adaptation judging unit 2 comprises a first signal input end and a second signal input end, the first signal input end receives a ground brush detection signal sent by the ground brush installation detection unit 1 of the front shaft end 32, and the second signal input end receives a ground brush detection signal sent by the ground brush installation detection unit 1 of the rear shaft end 34; when the shaft lever steering information input to the ground brush adaptation judging unit 2 is anticlockwise and the first signal input end receives a ground brush detection signal, or the shaft lever steering information input to the ground brush adaptation judging unit 2 is clockwise and the second signal input end receives a ground brush detection signal, the ground brush adaptation judging unit 2 judges that the installation of the ground brush 111 is correct and allows the motor to start; otherwise, the ground brush adaptation judging unit 2 judges that the ground brush 111 is installed wrongly, prevents the motor from starting, and displays the prompt of the installation mistake of the ground brush 111 on the human-computer interface.
Example one
In this embodiment, the elastic device 15 is a spring, and the ground brush is a carbon brush. The compressor is mounted on the front shaft end 32 of the motor by means of a coupling 31. A carbon brush 111 is mounted in brush holder 11 corresponding to front shaft end 32. The shaft lever steering information input to the brush fitting determination unit 2 is counterclockwise steering information.
The position detection switch 16 includes a switch body 161 and a switch key 162. The switch body 161 is fixedly disposed on the brush holder 11, and the switch button 162 extends from the switch body 161 and is located between the switch body 161 and the second end of the connecting rod. When the carbon brush 111 is not installed in the card slot 13, the second end of the connecting rod is not in contact with the switch key 162 through the spring; when installing carbon brush 111 in draw-in groove 13, ground brush second end terminal surface butt first contact 141 increases the distance between connecting rod first end and the brush yoke 11, realizes that the distance between connecting rod second end and the brush yoke 11 reduces, through second contact 142 butt switch button 162 triggers switch body 161 generates ground brush detected signal. The first signal input end of the ground brush adaptation judging unit 2 receives the ground brush detection signal, and judges that the carbon brush 111 is installed correctly, so that the motor is allowed to start. The shaft current is led into the ground through the carbon brush 111, so that the insulation of the motor bearing 33 on the non-coupling side is ensured, and the service life of the motor bearing 33 is prolonged.
Example two
In this embodiment, the position detection switch 16 is a distance measurement sensor, and when the distance between the second contact 142 and the position detection switch 16 is smaller than a set threshold, the position detection switch 16 is triggered to generate a ground brush detection signal.
The preferred embodiments of the present invention are described in the specification, and the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit the present invention. All technical solutions that can be obtained by logical analysis, reasoning or limited experiments according to the concept of the present invention by those skilled in the art are within the scope of the present invention.
Claims (11)
1. The utility model provides a two motor scrubbing brushes installation and detection device that turn to of two play axles, the motor can be through the compressor that the axle head cooperation difference that two differences of same axostylus axostyle turned to, the definition connect the counter-clockwise compressor be preceding axle head, connect the clockwise compressor that turns to for the back axle head, the compressor passes through the coupling joint preceding axle head or back axle head, preceding axle head and back axle head are not connected the compressor simultaneously, its characterized in that, two motor scrubbing brushes installation and detection device that turn to of two play axles contain:
the two ground brush installation detection units are respectively and fixedly arranged at the front shaft end and the rear shaft end of the motor; the floor brush installation detection unit has no interference with the shaft lever and is used for installing a floor brush; when the floor brush installation detection unit is provided with the floor brush, the floor brush installation detection unit generates and sends a floor brush detection signal;
the ground brush adaptation judging unit is electrically connected with the motor and the ground brush installation detecting unit, and judges whether the ground brush is installed correctly or not according to the input shaft lever steering information and the ground brush detection signal; when the installation error of the floor brush is judged, the floor brush adaptation judging unit prevents the motor from starting.
2. The device for mounting and detecting the floor brush of the double-output-shaft and double-steering motor according to claim 1, wherein the floor brush mounting and detecting unit is provided with a brush holder, the brush holder is provided with a clamping groove matched with the floor brush, and the floor brush is embedded in the clamping groove, so that the first end face of the floor brush is attached to the shaft lever of the motor.
3. The dual output shaft, dual steering motor floor brush attachment and sensing device of claim 2, wherein said brush carrier extends in a direction away from said shaft to form an extension.
4. The apparatus of claim 3, wherein the unit further comprises a connecting rod; the middle part of the connecting rod is hinged with the extension part; the first end of the connecting rod corresponds to the clamping groove in position.
5. The dual-output-shaft dual-steering-motor floor brush mounting and detecting device according to claim 4, wherein the floor brush mounting and detecting unit further comprises a position detecting switch for generating the floor brush detecting signal; the position detection switch is fixedly arranged on the brush holder and is positioned between the brush holder and the second end of the connecting rod; the extension part is positioned between the position detection switch and the card slot; and triggering the position detection switch through the second end of the connecting rod to generate the ground brush detection signal.
6. The apparatus for mounting and detecting the floor brush of the dual-output-shaft dual-steering motor according to claim 5, wherein the floor brush mounting and detecting unit further comprises an elastic device disposed between the extending portion and the slot; the first end of the connecting rod is elastically connected with the brush holder through the elastic device, so that when the floor brush is not installed in the clamping groove, the second end of the connecting rod is not in contact with the position detection switch.
7. The device for mounting and detecting the double-output-shaft and double-steering-motor floor brush according to claim 6, wherein the position detection switch comprises a switch body and a switch button; the switch body is fixedly arranged on the brush holder, and the switch key extends out of the switch body and is positioned between the switch body and the second end of the connecting rod; when the floor brush is not installed in the clamping groove, the second end of the connecting rod is not in contact with the switch key; when installing the scrubbing brush in the draw-in groove, the first end of scrubbing brush second end terminal surface butt connecting rod increases the distance between first end of connecting rod and the brush yoke, realizes that the distance between connecting rod second end and the brush yoke reduces, through connecting rod second end butt switch button triggers the switch body generates scrubbing brush detected signal.
8. The dual output shaft, dual steering motor floor brush attachment and sensing device of claim 6, wherein said resilient means is a spring.
9. The dual-output-shaft dual-steering-motor floor brush mounting and detecting device of claim 7, wherein the first end of the connecting rod and the second end of the connecting rod extend in a direction toward the brush holder to form a first contact and a second contact, respectively; the end surface of the second end of the ground brush is abutted against the first contact; the switch key is abutted through the second contact.
10. The device for installing and detecting the floor brush of the dual-output-shaft dual-steering motor according to claim 1, wherein the floor brush adaptation judging unit comprises a first signal input end and a second signal input end, the first signal input end receives the floor brush detection signal sent by the floor brush installation detecting unit at the front shaft end, and the second signal input end receives the floor brush detection signal sent by the floor brush installation detecting unit at the rear shaft end.
11. The dual-output-shaft dual-steering-motor floor brush mounting and detecting device as claimed in claim 1, wherein: the ground brush is a carbon brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922282867.1U CN210927378U (en) | 2019-12-18 | 2019-12-18 | Double-output-shaft double-steering motor ground brush installation and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922282867.1U CN210927378U (en) | 2019-12-18 | 2019-12-18 | Double-output-shaft double-steering motor ground brush installation and detection device |
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| CN210927378U true CN210927378U (en) | 2020-07-03 |
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| CN201922282867.1U Active CN210927378U (en) | 2019-12-18 | 2019-12-18 | Double-output-shaft double-steering motor ground brush installation and detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729803A (en) * | 2020-12-29 | 2021-04-30 | 苏州高瑞工业产品设计有限公司 | Ground brush detection mechanism |
| US11569712B2 (en) | 2021-04-05 | 2023-01-31 | General Electric Renovables Espana, S.L. | System and method for detecting bearing insulation and ground brush health in a generator |
-
2019
- 2019-12-18 CN CN201922282867.1U patent/CN210927378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729803A (en) * | 2020-12-29 | 2021-04-30 | 苏州高瑞工业产品设计有限公司 | Ground brush detection mechanism |
| US11569712B2 (en) | 2021-04-05 | 2023-01-31 | General Electric Renovables Espana, S.L. | System and method for detecting bearing insulation and ground brush health in a generator |
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