A mobile motor blowing and dust removal device

Abstract

The present invention discloses a mobile motor purging and dust removal device, which belongs to the technical field of motor dust removal. Through the corresponding arrangement of a vehicle body, a purging component, an exhaust component, and a dust collecting component, the purging and dust removal operation of the disassembled motor to be purged in a closed space at the disassembly position can be realized. The mobile motor purging and dust removal device of the present invention has a simple structure, is easy to use, and has high flexibility. It can effectively realize the closed purging of motors at different motor disassembly positions, avoid the occurrence of dust dispersion in the maintenance workshop, and reduce the transportation process of the motor, effectively ensuring the maintenance environment in the maintenance workshop, simplifying the dust removal process of the motor, reducing the workload of the operating personnel, ensuring the work safety of the maintenance personnel, reducing the investment in equipment such as protective clothing, and reducing the cost of the motor purging operation, and has good application effect and promotion value.

Description

Technical Field

[0001] The invention belongs to the technical field of motor dust removal, and in particular relates to a mobile motor purge dust removal device. Background Art

[0002] For various motors in rail transit, dust can easily enter the motor during long-term operation. Moreover, as dust accumulates inside the motor, it is easy to cause heat dissipation difficulties for the motor, affecting the normal use of the motor and even causing damage to the motor. For this reason, rail transit vehicle maintenance workshops need to undertake dust removal and maintenance work for various large motors every year to ensure the normal operation of the motor.

[0003] At present, the dust removal of motors in maintenance workshops is usually carried out manually. Maintenance personnel usually use high-pressure spray guns to clean motors with high-pressure gas. This method can clean the dust in the motor to a certain extent. However, the existing cleaning method will generate a large amount of dust in the maintenance workshop, so that operators must wear protective clothing to work normally, which undoubtedly increases the equipment cost of the motor blowing operation. Moreover, the existing motor blowing and dust removal devices are often fixed, and the motors removed from the vehicle need to be transported to the corresponding dust removal station and fixed, which greatly increases the difficulty of motor cleaning and the workload of maintenance operators. In addition, the existing dust removal and blowing methods have high requirements for the level of manual work. Once the operator does not operate rigorously, there may be blind spots for cleaning, and it is difficult to ensure the dust removal effect of the motor. Summary of the invention

[0004] In response to one or more of the above-mentioned defects or improvement needs in the prior art, the present invention provides a mobile motor blowing and dust removal device, which can effectively realize the blowing and dust removal operations of the motor in a closed space, reduce the motor transportation process, simplify the motor blowing and dust removal process, improve the efficiency and quality of motor blowing and dust removal, reduce the pollution to the working environment in the maintenance workshop, and reduce the cost of motor blowing operations.

[0005] To achieve the above-mentioned purpose, the present invention provides a mobile motor blowing and dust removal device, comprising a vehicle body and a blowing assembly and an exhaust assembly arranged in the vehicle body;

[0006] The vehicle body can move back and forth in the maintenance workshop, and is provided with a purge bin, a dust collection bin and an equipment bin;

[0007] The purge bin is a closable chamber for placing the motor to be purged, wherein a cylindrical annular dust removal unit is provided corresponding to the motor; the annular dust removal unit can be sleeved on the outer periphery of the motor placed in the purge bin, and a plurality of blowing holes are provided on the inner peripheral wall surface along the annular direction for blowing in high-pressure purge air; the purge assembly is matched and connected with the annular dust removal unit, and is used to deliver high-pressure purge air to the annular dust removal unit;

[0008] The dust collecting bin is arranged between the purge bin and the equipment bin, one side of which is connected to the purge bin by a first exhaust pipe, and the other side of which is connected to an exhaust assembly in the equipment bin, so that the exhaust assembly can draw the dust gas in the purge bin into the dust collecting bin; and a dust collecting unit is arranged in the dust collecting bin, for collecting dust in the dust gas, so as to separate dust from air;

[0009] A purge motor and an exhaust fan are placed in the equipment bin; the purge motor is connected to the annular dust removal unit through a ventilation pipe; the exhaust fan is connected to the dust collecting bin through a second exhaust pipe, and is used to draw the dust gas into the dust collecting bin and discharge the gas after dust collection.

[0010] As a further improvement of the present invention, a motor support frame is provided in the purge bin corresponding to the bearing of the motor;

[0011] The motor support frame is arranged at the bottom of the purge bin, and a motor locking unit is arranged on the top thereof for fixing the end of the motor; a cavity connected to the exhaust pipe is arranged below the motor support frame, and a plurality of through holes penetrating the two end faces are arranged at intervals on the motor support frame.

[0012] As a further improvement of the present invention, the dust collection unit is a water bath assembly, which includes a water storage tank, a water bath nozzle and a sedimentation tank;

[0013] The water storage tank is arranged on the vehicle body for supplying water to the water bath nozzle; the water bath nozzle is arranged in the dust collecting bin for collecting dust in the dust collecting bin by water bath; the sedimentation tank is arranged at the bottom of the dust collecting bin for collecting sewage after dust collection.

[0014] As a further improvement of the present invention, a drain pipe is provided at the bottom of the sedimentation tank, and a drain valve is provided on the drain pipe.

[0015] As a further improvement of the present invention, the annular dust removal unit has an annular cavity inside, and the blowing hole and the ventilation pipe are respectively connected to the annular cavity.

[0016] As a further improvement of the present invention, the annular cavity is divided into a plurality of independent cavity units; each of the cavity units corresponds to a plurality of blowing holes, and each of the cavity units is connected to the ventilation pipe via a branch pipe.

[0017] As a further improvement of the present invention, a three-channel pipeline separator is provided corresponding to the exhaust fan, which is matched and connected with the exhaust fan, and a filter pipe, an exhaust pipe, and a dust removal pipe are provided on the three-channel pipeline separator accordingly;

[0018] The filter tube is connected to the second exhaust tube for filtering the gas extracted from the second exhaust tube; the exhaust pipe is used for discharging the gas; one end of the dust removal tube is connected to the three-channel pipeline separator, and the other end is connected to the dust collecting bin for passing the gas back to the dust collecting bin for secondary dust collection.

[0019] As a further improvement of the present invention, a sealing cover is provided corresponding to the purge bin for realizing the opening and closing of the purge bin.

[0020] As a further improvement of the present invention, a dust sensor is provided in the dust collecting bin and / or the second exhaust pipe for detecting dust concentration in the dust gas.

[0021] As a further improvement of the present invention, a motor lifting assembly is also provided on the vehicle body 3, which includes a lifting bracket and a lifting rope, which is used to lift the motor to be purged from the outside of the vehicle body into the purge bin, and to lift the completed purging motor out of the purge bin.

[0022] The above-mentioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0023] In general, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

[0024] (1) The mobile motor blowing and dust removal device of the present invention can realize the blowing and dust removal operation of the disassembled motor to be blown in a closed space at the disassembly position through the corresponding arrangement of the vehicle body, blowing assembly, exhaust assembly, and dust collection assembly, thereby isolating the motor blowing operation space from other operation spaces in the maintenance workshop, avoiding dust pollution to the maintenance workshop during the motor blowing operation, ensuring the working environment in the maintenance workshop, protecting the personal health of maintenance personnel, reducing the investment in equipment such as protective clothing, and reducing the cost of motor dust removal; at the same time, it also effectively avoids the long-distance transportation of the motor, reduces the workload of maintenance personnel, improves the efficiency of motor blowing and dust removal, and reduces the operating cost of motor blowing and dust removal;

[0025] (2) The mobile motor purge dust removal device of the present invention, by preferably setting a water bath dust collection component, uses the matching arrangement of components such as a water storage tank, a water bath nozzle, a sedimentation tank, a drain pipe, and a drain valve, so that the dust gas extracted from the purge bin can effectively realize the dust collection operation in the dust collection bin, reduce the dust concentration in the gas discharged by the exhaust component, avoid pollution to the environment, and ensure the safety and comfort of the working environment of the maintenance workshop;

[0026] (3) The mobile motor purge dust removal device of the present invention can effectively achieve further filtration of the collected dust gas and secondary dust collection of the gas by optimizing the setting of the exhaust assembly and using the three-channel pipeline separator and the corresponding settings of the filter pipe, dust removal pipe and exhaust pipe connected thereto, thereby fully ensuring the accuracy of the dust gas collection operation, avoiding air pollution in the maintenance workshop, and ensuring the safety of the maintenance workers;

[0027] (4) The mobile motor purge dust removal device of the present invention effectively realizes the hoisting of the motor to be purged from the disassembly and assembly position to the purge bin and the hoisting of the motor out of the purge bin after the purge is completed through the corresponding arrangement of the motor hoisting assembly, thereby saving the motor transportation time, reducing the manpower labor during the motor purge operation, and improving the efficiency of the motor maintenance and purge operation;

[0028] (5) The mobile motor blowing and dust removal device of the present invention has a simple structure, is easy to use, and has high flexibility. It can effectively realize the closed blowing of motors at different motor disassembly positions, avoid the occurrence of dust dispersion in the maintenance workshop, and reduce the transportation process of the motors. It effectively ensures the maintenance environment in the maintenance workshop, simplifies the dust removal process of the motors, reduces the workload of operators, ensures the work safety of maintenance personnel, reduces the investment in equipment such as protective clothing, and reduces the cost of motor blowing operations. It has good application effect and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 1 is a schematic diagram of the overall structure of a mobile motor dust-blowing and removal device according to an embodiment of the present invention;

[0030] Figure 2 1 is a schematic top view of the structure of a mobile motor blowing and dust removal device according to an embodiment of the present invention;

[0031] In all the drawings, the same reference numerals represent the same technical features, specifically:

[0032] 1. Purge assembly; 101. Purge motor; 102. Annular dust removal unit; 103. Ventilation pipe;

[0033] 2. Exhaust assembly; 201. exhaust fan; 202. exhaust pipe; 203. filter pipe; 204. dust removal pipe; 205. exhaust pipe; 206. three-channel pipeline separator;

[0034] 3. Car body; 301. Purge bin; 302. Dust collection bin; 303. Equipment bin; 304. Sealing cover; 305. Push-pull rod; 306. Motor support frame; 307. Dust sensor;

[0035] 4. Water bath assembly; 401. Water storage tank; 402. Water bath nozzle; 403. Drain pipe; 404. Drain valve; 405. Sedimentation tank;

[0036] 5. Motor. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0040] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0042] Example:

[0043] See also Figure 1 , 2 The mobile motor purging and dust removal device in the preferred embodiment of the present invention includes a purging component 1, an exhaust component 2, and a vehicle body 3. Among them, the main body of the vehicle body 3 is a box-shaped structure, and can move back and forth in the maintenance workshop, so as to move to the disassembly and assembly position of the motor to be purged, and then quickly complete the purging and dust removal operation of the motor to be purged, avoiding the long-distance reciprocating transportation of the motor 5 to be purged. At the same time, the purging component 1 and the exhaust component 2 are respectively arranged in the vehicle body 3, the former is used to purge the motor 5 accommodated in the vehicle body 3 to blow out the dust in the motor; the latter is used to extract the dust-containing gas purged from the motor 5 until the purging and dust removal operation of the motor 5 is completed.

[0044] Specifically, the vehicle body 3 in the preferred embodiment is a box-shaped structure, and a purge bin 301, a dust collection bin 302 and an equipment bin 303 are arranged inside the purge bin 301. The purge bin 301 is used to accommodate the motor 5 to be purged, and a motor support frame 306 is arranged at the bottom of the purge bin 301 for supporting and fixing the motor 5. In the preferred embodiment, the dust suction channel corresponding to the purge bin 301 is arranged at the bottom of the purge bin 301, which is also to avoid a large amount of dust accumulation at the bottom of the purge bin 301.

[0045] In view of this, the motor support frame 306 in the preferred embodiment is a horizontal plate-like structure, and the motor support frame 306 is provided with a number of through holes penetrating the two end surfaces of the plate body for the passage and extraction of dust gas. Preferably, the motor support frame 306 is embedded in the bottom of the purge bin 301, which can be quickly loaded, unloaded and replaced, and a limiting mechanism that can fix the end of the motor 5 is provided on the top surface of the motor support frame 306, which includes but is not limited to snap fasteners and limiting bumps arranged at annular intervals, so as to prevent the motor 5 from swinging left and right during the dust removal and purge process, and avoid the motor 5 from damaging the relevant components in the purge bin 301. In addition, a chamber of a certain depth is provided at the bottom of the motor support frame 306 to accommodate the dust passing through the through holes on the motor support frame 306; preferably, the above-mentioned chamber is arranged in a trumpet shape with a certain inclination angle, so that the dust can gather from all sides to the middle of the chamber. Correspondingly, the exhaust pipe 202 of the exhaust assembly 2 is connected to the middle of the chamber, so that the dust and the gas containing dust in the purge bin 301 can be continuously extracted.

[0046] Furthermore, the dust collecting bin 302 in the vehicle body 3 is arranged on one side of the purge bin 301, and is connected to the other end of the exhaust pipe 202 to form a closed exhaust space. At the same time, at least one water bath nozzle 402 is arranged on the top of the dust collecting bin 302, which is used to spray water into the dust collecting bin 302 to absorb the dust in the extracted air. Correspondingly, a sedimentation tank 405 is formed at the bottom of the dust collecting bin 302 to accommodate the sewage obtained after water bath dust removal. Obviously, the liquid level of the sedimentation tank 405 will never exceed the end of the exhaust pipe 202 connected to the dust collecting bin 302, such as Figure 1 In order to adjust the liquid level of the sedimentation tank 405 and discharge the sewage and sediment in the sedimentation tank 405, a drain pipe 403 is provided at the bottom of the sedimentation tank 405, and a drain valve 404 is provided on the drain pipe 403, so as to discharge the sewage and sediment.

[0047] Furthermore, a water tank 401 is provided on the top of the vehicle body 3 corresponding to the water bath nozzle 402, and the water tank 401, the water bath nozzle 402, the sedimentation tank 405, the drain pipe 403 and the drain valve 404 together form a water bath assembly 4 of the purge dust removal device, which can absorb dust in the extracted gas to a certain extent, avoid the gas containing a large amount of dust from being discharged, and reduce environmental pollution. Of course, in addition to setting the above-mentioned water bath assembly 4 to perform the dust removal process in the gas, other forms of dust separation mechanisms can also be set in the vehicle body 3 as needed, such as a cyclone separation mechanism, an electrostatic adsorption mechanism, etc., which can be optimized according to actual needs.

[0048] Preferably, a dust sensor 307 is provided in the dust collecting bin 302 for real-time detection of dust concentration in the gas, so as to determine the purging and dust removal status of the motor 5. When the dust sensor 307 shows that the dust concentration in the gas is lower than a certain threshold, it indicates that the motor 5 is almost clean, and then the purge component 1 stops the purge operation. Further preferably, the dust sensor 307 is provided at the top of the dust collecting bin 302 to avoid the influence of the rising liquid level in the sedimentation tank 405; at the same time, the dust sensor 307 is preferably provided at the outlet of the pipe for extracting air from the dust collecting bin 302 or directly provided in the pipe, which is a filter tube 203 in a preferred embodiment, such as Figure 1 As shown in

[0049] Furthermore, a filter tube 203 is provided for extracting the gas from the dust collecting bin 302, one end of which is connected to the top of the dust collecting bin 302, and the other end is connected to the three-channel pipeline separator 206, and the other two channel interfaces of the three-channel pipeline separator 206 are respectively connected to the exhaust pipe 205 and the dust removal pipe 204. Among them. The other end of the exhaust pipe 205 is connected to the atmosphere for the discharge of gas; the other end of the dust removal pipe 204 is connected back to the dust collecting bin 302 for secondary dust removal of the gas whose dust concentration does not meet the emission requirements. In addition, the exhaust fan 201 of the exhaust assembly 2 in the preferred embodiment is correspondingly connected to the three-channel pipeline separator 206, and can extract air from the dust collecting bin 302 through the filter tube 203.

[0050] Furthermore, the purge assembly 1 in the preferred embodiment includes a purge motor 101, which is accommodated in the equipment compartment 303 together with the exhaust fan 201. At the same time, a vent pipe 103 and an annular dust removal unit 102 are also provided corresponding to the purge motor 101, and the two ends of the vent pipe 103 are respectively connected to the purge motor 101 and the annular dust removal unit 102, which are used to deliver high-pressure gas to the annular dust removal unit 102. In a preferred embodiment, a solenoid valve is provided on the vent pipe 103 to realize the on-off control of the air blowing pipeline. Preferably, a boosting device, such as a boosting tank, is provided between the annular dust removal unit 102 and the purge motor 101, which can boost the purge gas to ensure the strength of the purge.

[0051] In a preferred embodiment, the annular dust removal unit 102 is a cylindrical structure, which can be detachably fixed in the purge bin 301, and a space for accommodating the motor 5 is formed inside the annular dust removal unit 102, that is, the annular dust removal unit 102 is sleeved on the outer periphery of the motor 5, such as Figure 1As shown in . More specifically, an annular cavity structure is formed inside the annular dust removal unit 102 (equivalent to an annular cavity formed after the ends of two coaxially sleeved cylinders are closed between the cylinders), and blowing holes are arranged in annular and axial arrays on its inner wall surface for 360° blowing of high-pressure gas. Correspondingly, one end of the vent pipe 103 is connected to the annular cavity of the annular dust removal unit 102. Of course, in order to ensure the uniformity and stability of the annular blowing at various positions of the annular dust removal unit 102, the annular cavity in the preferred embodiment is divided into a plurality of independent cavity units, and each cavity unit corresponds to a certain number of blowing holes. At this time, the vent pipe 103 is connected to each cavity unit through a plurality of branch pipes.

[0052] In order to ensure the closedness of the purging process, a sealing cover 304 is provided on the top of the purging chamber 301 to separate the purging chamber 301 from the external environment, thereby preventing dust from overflowing. In order to control the movement of the vehicle body 3, a push-pull rod 305 is provided on at least one side of the exterior of the vehicle body 3.

[0053] Further preferably, in order to reduce the difficulty of moving the motor to be purged and the motor after cleaning, a motor hoisting assembly is also provided on the vehicle body 3 in the preferred embodiment, which preferably includes a hoisting bracket and a sling. The hoisting bracket is arranged on the top of the vehicle body 3, including a vertical bracket and a horizontal bracket. The vertical bracket is used for support, and the horizontal bracket is used to set the sling and perform horizontal displacement within a certain distance, so that the motor 5 to be purged can be quickly hoisted from the disassembly position and the motor 5 can be quickly hoisted out of the purge bin 301 after the purge is completed, thereby reducing the workload of the operator. Accordingly, in order to ensure the stability of the vehicle body 3 during the hoisting process of the motor 5, a plurality of retractable pillars and / or counterweight structures are provided at the bottom of the vehicle body 3 to ensure the stability of the vehicle body 3 and avoid the overturning of the vehicle body 3. In addition, the walls of the purge bin 301 and the dust collection bin 302 are preferably made of tempered glass, so that the operator can observe the dust removal inside the vehicle body 3 from outside the vehicle body 3.

[0054] The mobile motor blowing and dust removal device in the present invention has a simple structure, is easy to use, and has high flexibility. It can effectively realize the closed blowing of motors at different motor disassembly positions, avoid dust dispersion in the maintenance workshop, and reduce the transportation process of the motor, effectively ensuring the maintenance environment in the maintenance workshop, simplifying the dust removal process of the motor, reducing the workload of the operators, ensuring the work safety of the maintenance personnel, reducing the investment in equipment such as protective clothing, and reducing the cost of motor blowing operations. It has good application effect and promotion value.

[0055] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mobile motor dust removal device, characterized in that: It includes a vehicle body and a purge assembly and an exhaust assembly arranged in the vehicle body; The vehicle body can move back and forth in the maintenance workshop, and is provided with a purge bin, a dust collection bin and an equipment bin; The purge bin is a closable chamber for placing the motor to be purged, wherein a cylindrical annular dust removal unit is provided corresponding to the motor; the annular dust removal unit can be sleeved on the outer periphery of the motor placed in the purge bin, and a plurality of blowing holes are provided on the inner peripheral wall surface along the annular direction for blowing in high-pressure purge air; the purge assembly is matched and connected with the annular dust removal unit, and is used to deliver high-pressure purge air to the annular dust removal unit; The dust collecting bin is arranged between the purge bin and the equipment bin, one side of which is connected to the purge bin by a first exhaust pipe, and the other side is connected to an exhaust assembly in the equipment bin, so that the exhaust assembly can draw the dust gas in the purge bin into the dust collecting bin; and a dust collecting unit is arranged in the dust collecting bin, which is used to collect dust in the dust gas to separate dust from air; the dust collecting unit is a water bath assembly, which includes a water storage tank, a water bath nozzle and a sedimentation tank; the water storage tank is arranged on the vehicle body, which is used to supply water to the water bath nozzle; the water bath nozzle is arranged in the dust collecting bin, which is used to collect dust in the dust collecting bin by water bath; the sedimentation tank is arranged at the bottom of the dust collecting bin, which is used to collect sewage after dust collection; and A motor support frame is provided in the purge chamber corresponding to the bearing of the motor; the motor support frame is provided at the bottom of the purge chamber, and a motor locking unit is provided at the top thereof for fixing the end of the motor; a cavity connected to the first exhaust pipe is provided below the motor support frame, and a plurality of through holes penetrating the two end faces are provided at intervals on the motor support frame; A purge motor and an exhaust fan are placed in the equipment bin; the purge motor is connected to the annular dust removal unit through a ventilation pipe; the exhaust fan is connected to the dust collecting bin through a second exhaust pipe, for drawing the dust gas into the dust collecting bin and discharging the gas after dust collection; and a dust sensor is provided in the dust collecting bin and / or the second exhaust pipe, for detecting the dust concentration in the dust gas; and a three-channel pipeline separator is provided corresponding to the exhaust fan, which is matched and connected to the exhaust fan, and the three-channel pipeline separator is correspondingly provided with a filter pipe, an exhaust pipe, and a dust removal pipe; the filter pipe is connected to the second exhaust pipe, for filtering the gas extracted from the second exhaust pipe; the exhaust pipe is used for gas discharge; one end of the dust removal pipe is connected to the three-channel pipeline separator, and the other end is connected to the dust collecting bin, for passing the gas back to the dust collecting bin for secondary dust collection.

2. The mobile motor dust removal device according to claim 1, wherein: A drainage pipe is arranged at the bottom of the sedimentation tank, and a drainage valve is arranged on the drainage pipe.

3. The mobile motor dust removal device according to claim 1 or 2, wherein: The annular dust removal unit has an annular cavity inside, and the blowing holes and the ventilation pipe are respectively connected to the annular cavity.

4. The mobile motor dust removal device according to claim 3, wherein: The annular cavity is divided into a plurality of independent cavity units; each of the cavity units corresponds to a plurality of blowing holes, and each of the cavity units is connected to the ventilation pipe via a branch pipe.

5. The mobile motor dust blowing and removal device according to claim 1, 2 or 4, wherein: A sealing cover is provided corresponding to the purge bin, for realizing the opening and closing of the purge bin.

6. The mobile motor dust blowing and removal device according to claim 1, 2 or 4, wherein: The vehicle body is also provided with a motor hoisting assembly, which includes a hoisting bracket and a sling, and is used to hoist the motor to be purged from the outside of the vehicle body into the purging bin, and to hoist the motor that has been purged out of the purging bin.

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