CN213887415U - Sweeping and dust removing device for enveloping motor rotor - Google Patents
Sweeping and dust removing device for enveloping motor rotor Download PDFInfo
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- CN213887415U CN213887415U CN202022984706.XU CN202022984706U CN213887415U CN 213887415 U CN213887415 U CN 213887415U CN 202022984706 U CN202022984706 U CN 202022984706U CN 213887415 U CN213887415 U CN 213887415U
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Abstract
The utility model discloses an envelope type electric motor rotor sweeps dust collector belongs to electric motor rotor dust removal technical field, and it is through the dust removal cabinet, sweep the corresponding setting of subassembly, convulsions subassembly, motor bearing mechanism, can accurately carry out electric motor rotor's the dust removal operation that sweeps, realizes that electric motor rotor sweeps the isolation of other operation spaces in operation space and the maintenance workshop, avoids electric motor rotor to sweep the dust pollution of operation in-process to the maintenance workshop. The utility model discloses an envelope type electric motor rotor sweeps dust collector, its simple structure, it is easy and simple to handle, can effectively realize that electric motor rotor's all-round in isolation space sweeps, has avoided the emergence of the interior dust dispersion condition of maintenance workshop, has effectively guaranteed the maintenance environment in the maintenance workshop, has ensured maintainer's work safety, has reduced the input such as equipment such as protective clothing, has reduced electric motor rotor and has swept the cost of operation, has better application effect and spreading value.
Description
Technical Field
The utility model belongs to the technical field of electric motor rotor removes dust, concretely relates to envelope type electric motor rotor sweeps dust collector.
Background
For various motor rotors in rail transit, dust is easy to enter the motor rotors during long-time running and use. Moreover, along with the continuous accumulation of dust in the motor rotor, the heat dissipation difficulty of the motor rotor is easily caused, the normal use of the motor rotor is influenced, and even the damage of the motor rotor is caused. Therefore, the rail transit vehicle maintenance workshop needs to undertake the dust removal maintenance work of various large-scale motor rotors every year so as to ensure the normal operation of the motor rotors.
At present, to electric motor rotor's dust removal processing in the repair shop go on through the manual type usually, the maintainer can directly use high-pressure spray gun to clear up electric motor rotor with high-pressure gas usually, and the clearance of dust in the electric motor rotor can be realized to a certain extent to this kind of mode. However, the existing cleaning mode can generate a large amount of dust in the maintenance workshop, so that the operator can normally operate only by wearing the protective clothing, which undoubtedly increases the equipment cost of the motor rotor blowing operation. Moreover, dust generated in the existing dust removal and blowing process is always kept in a workshop and a passageway for a long time, so that the environment of an overhaul workshop is polluted, and the working environment of the overhaul workshop is poor. In addition, the existing dust removal blowing mode has higher requirement on the level of manual operation, and once an operator operates the dust removal blowing mode loosely, a cleaning blind area can exist, so that the dust removal effect of the motor rotor is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
To the above defect of prior art or improve in the demand one or more, the utility model provides an envelope type electric motor rotor sweeps dust collector, can realize waiting to sweep the dust removal electric motor rotor in the enclosure sweep the dust removal operation to the realization is swept out sweeping out quick the siphoning away of dust, when promoting electric motor rotor and sweeping dust collection efficiency, quality, reduces the pollution to the interior operation environment of maintenance workshop, reduces electric motor rotor's the operating cost that sweeps.
In order to achieve the purpose, the utility model provides an enveloping type motor rotor purging and dust removing device, which comprises a dust removing cabinet, a purging component, an air draft component and a motor bearing mechanism;
the dust removal cabinet comprises a cabinet body with an openable door body, and the communication or isolation of the inner space and the outer space of the cabinet body can be realized by utilizing the opening and closing of the door body;
the motor bearing mechanism can be placed in the cabinet body and used for bearing and positioning a motor rotor to be swept;
the blowing component comprises an arc surface dust hood, a fan and a pressurizing gas storage tank; the fan is correspondingly connected with the supercharging gas storage tank and is used for continuously supplementing high-pressure gas into the supercharging gas storage tank; the cambered surface dust hood is arranged in the cabinet body, is of an arc structure and is communicated with the pressurization gas storage tank through a dust removal pipe; the radian of the cambered surface dust hood is matched with the peripheral radian of the motor rotor to be swept, so that the cambered surface dust hood can be arranged on one side of the motor rotor in an enveloping manner when the motor rotor is placed in the cabinet body; a plurality of air outlets are formed in the end face, which can face the motor rotor, of the cambered surface dust hood and are used for blowing out high-pressure gas in the pressurized gas storage tank;
the air draft assembly comprises a cambered surface dust hood and an axial flow fan; the cambered surface dust hood is arranged in the cabinet body, is of an arc structure and is communicated with the axial flow fan through a dust collection pipeline; the radian of the cambered surface dust hood is matched with the peripheral radian of the motor rotor to be swept, and the cambered surface dust hood can be used for arranging the motor rotor in the cabinet body, and the enveloping hood is arranged on one side, deviating from the cambered surface dust hood, of the motor rotor, so that dust swept by the cambered surface dust hood can be synchronously swept away.
As a further improvement of the present invention, the motor bearing mechanism includes a bearing bottom plate; the bearing bottom plate is provided with rotating rollers in pairs, so that a motor rotor to be swept can be borne on the two rotating rollers; and a driving assembly is arranged corresponding to the at least one rotating roller and used for driving the at least one rotating roller to rotate, so that the motor rotor is driven to rotate and the part to be swept is switched.
As a further improvement of the present invention, the driving assembly includes a rotating electrical machine, a reduction unit, a transmission turbine and a transmission worm which are sequentially connected in combination.
As a further improvement of the utility model, the bottom of the bearing bottom plate is provided with a plurality of pairs of walking wheels for realizing the walking of the motor bearing mechanism.
As a further improvement of the utility model, a cyclone dust collector and a dust collecting box are arranged between the cambered surface dust hood and the axial flow fan;
the dust collecting box is arranged at the bottom of the cyclone dust collector and is used for collecting dust; and the air inlet of the cyclone dust collector is connected with one end of the dust collection pipeline, which deviates from the cambered surface dust collection cover, and the air outlet of the cyclone dust collector is communicated with the axial flow fan through a pipeline.
As a further improvement, the utility model also provides a rail-mounted assembly between the disassembly position of electric motor rotor and the dust removal cabinet, just the motor bears the mechanism accessible walk the walking wheel and reciprocate to walk on this rail-mounted assembly.
As a further improvement, the dust removal pipe is provided with a solenoid valve.
As a further improvement, the air outlets on the cambered surface dust excluding hood are a plurality of arranged in an array.
As a further improvement, the dust absorption pipeline is provided with at least one smoke transducer in the one end of connecting cambered surface suction hood for the dust concentration in the real-time detection dust removal cabinet.
The above-described improved technical features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model above technical scheme who conceives compares with prior art, the beneficial effect who has includes:
(1) the utility model discloses an envelope type electric motor rotor sweeps dust collector, it is through the corresponding setting of dust removal cabinet, sweep subassembly, convulsions subassembly, motor load-bearing mechanism, can accurately carry out the operation of sweeping the dust removal of electric motor rotor, realize electric motor rotor sweeps the isolation of operation space and other operation spaces in the tool car room, avoid electric motor rotor to sweep the dust pollution of operation in-process to the tool car room, ensured the operation environment in the tool car room, ensured the personal health of maintainer, reduced the input of equipment such as protective clothing, reduced the cost that electric motor rotor removed dust;
(2) the utility model discloses an envelope type electric motor rotor sweeps dust collector, it utilizes the structure that bears the weight of the mechanism through the preferred motor that sets up, utilize and bear the weight of the bottom plate, rotatory roller bearing, rotary drive subassembly, walking wheel etc. and set up in matching, make electric motor rotor can stably bear on rotatory roller bearing when sweeping, and utilize the corresponding rotation of rotatory roller bearing, can realize the alignment of different positions of electric motor rotor and cambered surface dust excluding hood, and then accurately accomplish the operation of sweeping of different positions of electric motor rotor, guarantee electric motor rotor and sweep the accuracy of removing dust, the existence of dust removal blind area has been avoided, the efficiency and the quality of removing dust have been promoted;
(3) the utility model discloses an envelope type motor rotor sweeps dust collector, it is through the corresponding setting of parts such as cyclone dust remover and dust collection box in the convulsions subassembly, makes the gas of taking out from the dust removal cabinet can carry out the dust gas separation operation earlier, avoids taking out the gas in the dust content higher and produce the influence to the axial fan, also avoids the higher gas of dust content to atmospheric direct emission, has guaranteed the stability of equipment operation and the cleanliness of dust removal emission, reduces the pollution to the environment;
(4) the utility model discloses an envelope type electric motor rotor sweeps dust collector, it is through walking the combination setting of parts such as road wheel, rail line subassembly, block unit, smoke transducer on the motor bearing mechanism, has effectively realized the quick transportation between electric motor rotor from the dismouting position to the dust removal position, realizes electric motor rotor and convulsions subassembly, sweeps quick location of subassembly, has reduced maintainer's operation amount of labour, has shortened electric motor rotor and has transported and the time of operation clearance, has promoted electric motor rotor maintenance, the efficiency of sweeping the operation;
(5) the utility model discloses an envelope type electric motor rotor sweeps dust collector, its simple structure, it is easy and simple to handle, can effectively realize that electric motor rotor's all-round in isolation space sweeps, has avoided the emergence of the interior dust dispersion condition of maintenance workshop, has effectively guaranteed the maintenance environment in the maintenance workshop, has ensured maintainer's work safety, has reduced the input such as equipment such as protective clothing, has reduced electric motor rotor and has swept the cost of operation, has better application effect and spreading value.
Drawings
FIG. 1 is a schematic view of the overall structure of the blowing and dust removing device for the enveloping motor rotor in the embodiment of the present invention;
FIG. 2 is a schematic view of a motor bearing mechanism of the blowing and dust removing device for the enveloping motor rotor in the embodiment of the present invention;
in all the figures, the same reference numerals denote the same features, in particular:
1. a purge assembly; 101. a fan; 102. pressurizing the air storage tank; 103. a dust removal pipe; 104. an electromagnetic valve; 105. a cambered surface dust hood;
2. an air draft assembly; 201. a cambered surface dust hood; 202. a dust collection duct; 203. an exhaust port; 204. a cyclone dust collector; 205. a dust collection box; 206. an axial flow fan;
3. a dust removal cabinet; 301. a cabinet body; 302. a door body;
4. a motor carrying mechanism; 401. a load floor; 402. rotating the roller; 403. a deceleration unit; 404. a rotating electric machine; 405. a drive turbine; 406. a drive worm; 407. a running wheel;
5. a rotor of an electric machine.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
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; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example (b):
referring to fig. 1 and 2, the enveloping type motor rotor purging and dedusting device in the preferred embodiment of the present invention includes a purging assembly 1, an air draft assembly 2, a dedusting cabinet 3, and a motor bearing mechanism 4. The dust removal cabinet 3 is preferably arranged in a maintenance workshop and is used for forming a closed space for placing the motor rotor 5 to be swept; sweep the motor rotor 5 setting that subassembly 2 corresponds in the dust removal cabinet 3 for sweep the operation to motor rotor 5, sweep out the dust in the motor rotor, contain the air extraction of a large amount of dusts in to dust removal cabinet 3 by convulsions subassembly 2 then, accomplish the dust removal operation that sweeps of motor rotor 5.
Specifically, the dust removal cabinet 3 in the preferred embodiment includes a cabinet 301, and the bottom of the cabinet 301 is fixedly disposed to form a closed space in which the motor rotor 5 can be placed. Meanwhile, in order to put in and take out the motor rotor 5, an openable door body 302 is disposed on one side of the cabinet 301, and in a preferred embodiment, the door body 302 is an automatically openable and closable lifting door, and is further preferably a transparent door body made of tempered glass, so that an operator can observe the dust removal condition inside the cabinet 301 outside the cabinet 301.
Further, a motor bearing mechanism 4 is disposed in the cabinet 301 corresponding to the motor rotor 5, and preferably includes a bearing bottom plate 401, the bearing bottom plate 401 is provided with two pairs of rotating rollers 402, the two rotating rollers 402 are disposed in parallel and opposite to each other, and the motor rotor 5 to be purged can be correspondingly placed on the two rotating rollers 402. At this time, the axis of the motor rotor 5 is parallel to the axes of the two rotary rollers 402, and the rotation of the motor rotor 5 on the two rotary rollers 402 can be realized by the rotation of at least one rotary roller 5. In practice, the two rotating rollers 402 may be a driving shaft and a driven shaft.
In a preferred embodiment, the two rotating rollers 402 are both driving shafts and are provided with driving components corresponding to the driving shafts, and the driving components in the preferred embodiment are disposed in the bearing bottom plate 401, as shown in fig. 2, the driving components include a rotating motor 404, a speed reducing unit 403 is disposed on an output shaft of the rotating motor 404, a transmission worm wheel 405 and a transmission worm 406 are disposed corresponding to the speed reducing unit 403, and then two ends of the rotating rollers 402 are respectively matched with the transmission worm 406, so as to realize the rotation driving of the rotating rollers 402.
Preferably, the bottom of the load floor 401 is provided with a plurality of pairs of running wheels 407, as shown in fig. 2, by the running of the running wheels 407, the movement of the motor rotor 5 from the disassembly position to the purge position can be achieved. In actual setting, a track assembly can be arranged between the dismounting position and the purging position, so that the motor bearing mechanism 4 can reciprocate on the track assembly through the walking wheel 407, the transfer period of the motor rotor 5 is shortened, and the purging and dust removing efficiency of the motor is improved. It is further preferred that one end of the rail-mounted assembly passes through the door 302 and extends into the cabinet 301 or traverses directly from the cabinet 301, so that the motor-carrying mechanism 4 can carry the motor rotor 5 and move into the cabinet 301. In addition, in order to ensure that the motor bearing mechanism 4 can accurately stop at the position in the cabinet 301, a blocking unit is arranged on the ground of the cabinet 301 for preventing the motor bearing mechanism 4 from continuously walking after moving in place.
As shown in FIG. 1, the purge assembly 1 in the preferred embodiment comprises a fan 101, a booster air tank 102, a dust extraction pipe 103 and a dust extraction dome 105. Wherein, cambered surface dust excluding hood 105 sets up in cabinet body 301, and it is the arc structure, and the preferred periphery radian that suits with electric motor rotor 5 of radian to can be the envelope formula after electric motor rotor 5 sets up in its one side and sweep electric motor rotor 5, ensure that cambered surface dust excluding hood 105 is adjusted well the regional quality of sweeping. Specifically, a plurality of air outlet holes are arranged in an array on the end surface of the arc dust removal cover 105 facing the motor rotor 5, as shown in fig. 1, and are used for injecting high-pressure gas in a "multi-beam" manner and purging the interior of the motor rotor 5.
Further, one end of the dust removal pipe 103 in the preferred embodiment extends into the cabinet 301 and is connected with the dust exhaust arc cover 105, and the other end thereof extends out of the cabinet 301 and is communicated with the pressurized air storage tank 102. Correspondingly, an electromagnetic valve 104 is arranged on the dust removal pipe 103 and used for realizing on-off control of the dust removal pipe 103. In addition, a blower 101 is provided corresponding to the boost air tank 102, and is used for charging high-pressure air into the boost air tank 102.
As shown in fig. 1, in the preferred embodiment, an air draft assembly 2 is further disposed corresponding to the purging assembly 1, and is used for sucking away dust blown out by the purging assembly 1 in real time. In the preferred embodiment, the air draft assembly 2 comprises a cambered dust hood 201, a dust suction pipeline 202 and an axial flow fan 206. Wherein, cambered dust hood 201 is arranged in cabinet 301, and it preferably faces one side of motor rotor 5 departing from cambered dust hood 105, so that the blown dust in motor rotor 5 can be drawn away in real time. Preferably, the end of the arc-shaped dust hood 201 is arranged in an arc shape corresponding to the outer circumference of the motor rotor 5. Correspondingly, one end of the dust suction pipeline 202 extends into the cabinet body 301 and is connected with one end of the arc dust suction hood 201, the other end of the dust suction pipeline extends out of the cabinet body 301 and is connected with the axial flow fan 206, and dust gas is continuously extracted by the axial flow fan 206.
Further, a cyclone dust collector 204 is further arranged between the axial flow fan 206 and the arc dust hood 201, an air inlet of the cyclone dust collector 204 is connected to one end, away from the arc dust hood 201, of the dust suction pipeline 202, a dust collection box 205 is arranged at the bottom of the cyclone dust collector 204, and by introducing the gas containing dust into the cyclone dust collector 204, separation of the dust and the gas can be achieved by utilizing corresponding movement of the gas in the cyclone dust collector 204, so that the dust falls and is collected in the dust collection box 205, and the gas after dust separation is achieved and is communicated with the axial flow fan 206 through an air outlet 203 on the cyclone dust collector 204. Utilize the corresponding setting of above-mentioned convulsions subassembly 2, can accurately realize the extraction of the internal sweeping gas of cabinet 301 and the separation, the collection of dust in the gas, guarantee the accurate completion of 5 dust removal processes of electric motor rotor.
Preferably, at least one smoke sensor is arranged in one end of the dust suction pipeline 202 connected with the cambered surface dust hood 201 and used for detecting the dust concentration in the gas extracted by the air extraction component 2 in real time, and when the dust concentration is lower than a certain preset threshold value and is kept for a certain time, the blowing operation of the side part of the motor rotor 5 is almost completed. And then, controlling the rotating roller 402 on the motor bearing mechanism 4 to rotate, adjusting the position on the motor rotor 5 aligned with the arc dust removal cover 105, and further performing the purging operation of the next area. After the purging of each region on the ring direction of the motor rotor 5 is completed, the air draft assembly 2 and the purging assembly 1 are controlled to stop working, then the motor rotor 5 which is purged is conveyed out of the cabinet body 301 and conveyed to the next maintenance station or the installation station, and the purging and dust removing operation of the motor rotor 5 is completed.
The utility model provides an envelope type electric motor rotor sweeps dust collector, its simple structure, it is easy and simple to handle, can effectively realize electric motor rotor's isolation and sweep, avoid the emergence of the interior dust dispersion condition of maintenance workshop, effectively guaranteed the maintenance environment in the maintenance workshop, ensured maintainer's work safety, reduced the input such as equipment such as protective clothing, reduced electric motor rotor and swept the cost of operation, had better application effect and spreading value.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An envelope type motor rotor purging and dedusting device is characterized by comprising a dedusting cabinet, a purging component, an air draft component and a motor bearing mechanism;
the dust removal cabinet comprises a cabinet body with an openable door body, and the communication or isolation of the inner space and the outer space of the cabinet body can be realized by utilizing the opening and closing of the door body;
the motor bearing mechanism can be placed in the cabinet body and used for bearing and positioning a motor rotor to be swept;
the blowing component comprises an arc surface dust hood, a fan and a pressurizing gas storage tank; the fan is correspondingly connected with the supercharging gas storage tank and is used for continuously supplementing high-pressure gas into the supercharging gas storage tank; the cambered surface dust hood is arranged in the cabinet body, is of an arc structure and is communicated with the pressurization gas storage tank through a dust removal pipe; the radian of the cambered surface dust hood is matched with the peripheral radian of the motor rotor to be swept, so that the cambered surface dust hood can be arranged on one side of the motor rotor in an enveloping manner when the motor rotor is placed in the cabinet body; a plurality of air outlets are formed in the end face, which can face the motor rotor, of the cambered surface dust hood and are used for blowing out high-pressure gas in the pressurized gas storage tank;
the air draft assembly comprises a cambered surface dust hood and an axial flow fan; the cambered surface dust hood is arranged in the cabinet body, is of an arc structure and is communicated with the axial flow fan through a dust collection pipeline; the radian of the cambered surface dust hood is matched with the peripheral radian of the motor rotor to be swept, and the cambered surface dust hood can be used for arranging the motor rotor in the cabinet body, and the enveloping hood is arranged on one side, deviating from the cambered surface dust hood, of the motor rotor, so that dust swept by the cambered surface dust hood can be synchronously swept away.
2. The enveloped motor rotor purging and dust removing device of claim 1, wherein the motor carrying mechanism comprises a carrying bottom plate; the bearing bottom plate is provided with rotating rollers in pairs, so that a motor rotor to be swept can be borne on the two rotating rollers; and a driving assembly is arranged corresponding to the at least one rotating roller and used for driving the at least one rotating roller to rotate, so that the motor rotor is driven to rotate and the part to be swept is switched.
3. The sweeping and dedusting device for the envelope-type motor rotor as recited in claim 2, wherein the driving assembly comprises a rotating motor, a speed reducing unit, a transmission turbine and a transmission worm which are sequentially connected in a combined manner.
4. The purging and dedusting device for the envelope-type motor rotor as claimed in claim 2 or 3, wherein a plurality of pairs of running wheels are arranged at the bottom of the bearing bottom plate and used for running the motor bearing mechanism.
5. The sweeping and dust removing device for the envelope-type motor rotor of any one of claims 1 to 3, wherein a cyclone dust collector and a dust collecting box are further arranged between the cambered surface dust hood and the axial flow fan;
the dust collecting box is arranged at the bottom of the cyclone dust collector and is used for collecting dust; and the air inlet of the cyclone dust collector is connected with one end of the dust collection pipeline, which deviates from the cambered surface dust collection cover, and the air outlet of the cyclone dust collector is communicated with the axial flow fan through a pipeline.
6. The purging and dedusting device for the enveloping motor rotor as recited in claim 4, wherein a track assembly is further disposed between the disassembling position of the motor rotor and the dedusting cabinet, and the motor bearing mechanism can reciprocate on the track assembly through the traveling wheels.
7. The sweeping and dedusting device for the envelope-type motor rotor according to any one of claims 1 to 3, wherein an electromagnetic valve is arranged on the dedusting pipe.
8. The sweeping and dedusting device for the envelope-type motor rotor according to any one of claims 1 to 3, wherein a plurality of air outlets on the arc-shaped dust hood are arranged in an array.
9. The sweeping and dust removing device for the envelope-type motor rotor as claimed in any one of claims 1-3, wherein at least one smoke sensor is arranged at one end of the dust suction pipeline connected with the cambered dust suction hood and used for detecting the dust concentration in the dust removal cabinet in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984706.XU CN213887415U (en) | 2020-12-12 | 2020-12-12 | Sweeping and dust removing device for enveloping motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984706.XU CN213887415U (en) | 2020-12-12 | 2020-12-12 | Sweeping and dust removing device for enveloping motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213887415U true CN213887415U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022984706.XU Active CN213887415U (en) | 2020-12-12 | 2020-12-12 | Sweeping and dust removing device for enveloping motor rotor |
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| Country | Link |
|---|---|
| CN (1) | CN213887415U (en) |
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2020
- 2020-12-12 CN CN202022984706.XU patent/CN213887415U/en active Active
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