CN113691054B

CN113691054B - Explosion-proof stepping motor

Info

Publication number: CN113691054B
Application number: CN202110854185.2A
Authority: CN
Inventors: 朱南保; 林运君; 张启胜
Original assignee: Shenzhen Dezhi High New Co ltd
Current assignee: Shenzhen Dezhi High New Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-05-31
Anticipated expiration: 2041-07-28
Also published as: CN113691054A

Abstract

The invention discloses an explosion-proof stepping motor, which comprises a motor main body and radiating fins, wherein a cleaning part is arranged on the outer side of the motor main body, the cleaning part is in matched contact with the radiating fins, a linkage part is arranged at the end part of the motor main body, the linkage part is butted with an output shaft of the motor main body, and the cleaning part is driven by the output shaft of the motor main body to move and clean dust on the radiating fins.

Description

Explosion-proof stepping motor

Technical Field

The invention relates to the technical field of explosion-proof motors, in particular to an explosion-proof stepping motor.

Background

The explosion-proof motor is a motor which can be used in inflammable and explosive places, does not generate electric sparks during operation, is mainly used in coal mines, petroleum and natural gas, petrochemical industry and chemical industry, is widely applied to textile, metallurgy, urban gas, traffic, grain and oil processing, paper making, medicine and other departments, and is generally used for driving pumps, fans, compressors, other transmission machines and the like as main power equipment.

In the use process, although the explosion-proof motor shell is not sealed, the explosion-proof motor mainly adopts the explosion-proof shell to separate an electric part which can generate sparks, electric arcs and dangerous temperature from a surrounding explosive gas mixture, so that certain requirements are required for the tightness of the motor main body, and the motor cannot radiate heat by opening holes like a conventional motor.

Therefore, the existing explosion-proof motor mainly depends on the radiating fins on the shell to radiate heat in the using process, although effective heat radiation can be achieved through the arrangement of the radiating fin materials, in the long-time continuous using process of the explosion-proof motor, a large amount of dust is often accumulated on the positions of the radiating fins on the surface of the explosion-proof motor, the heat radiation capability of the motor body is seriously influenced, and the service life of the explosion-proof motor is seriously influenced when manual work is not timely cleaned.

Disclosure of Invention

The present invention is directed to an explosion-proof stepping motor to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: an explosion-proof stepping motor comprises a motor main body and radiating fins, wherein a cleaning component is arranged on the outer side of the motor main body and is in matched contact with the radiating fins, a linkage component is arranged at the end part of the motor main body and is in butt joint with an output shaft of the motor main body, and the cleaning component is driven to move on the radiating fins through the output shaft of the motor main body to clean dust.

Preferably, the cleaning member includes a plurality of guide rods, the guide rods are respectively located at the side of the motor main body, and a bearing seat is provided at the end of each guide rod and is mounted on the motor main body;

the cleaning component also comprises slide seats respectively arranged on each guide rod, brush plates are arranged at the positions of the heat dissipation fins on the side edge of the motor main body, the brush plates are arranged on the slide seats, are in surface contact with the heat dissipation fins and are connected with the linkage component, and the linkage component drives the brush plates to move on the guide rods to clean the heat dissipation fins.

Preferably, the brush plate is detachably connected to the carriage.

Preferably, the brush plate comprises a base, a groove is formed in one side of the base, a driving shaft is arranged in the groove, a plurality of shifting rods are sequentially arranged on the driving shaft, the shifting rods are of inclined rod structures, and the inclination directions of every two adjacent shifting rods are opposite;

the plurality of shifting rods are connected with the inner wall of the groove in a sliding mode, the plurality of shifting rods are connected with the driving shaft in a threaded mode, the thread directions of any adjacent shifting rods are opposite, a through groove communicated with the groove is formed in the base, a knob installed on the driving shaft is arranged in the through groove, the driving shaft is driven to rotate by rotating the knob, and the adjacent shifting rods are driven to synchronously and reversely move by matching with the rotation limit of the side wall of the groove on the shifting rods;

the brush plate further comprises a brush sleeve, the brush sleeve is made of elastic materials, the shape of the brush sleeve is matched with that of the radiating fins, the brush sleeve is sleeved on the outer sides of the base and the shifting rod, and the shifting rod moves to contact the inclined surfaces of the radiating fins to remove dust.

Preferably, the surface of the knob is engraved with anti-slip lines.

Preferably, the linkage part comprises a first rotating shaft arranged on the base, a first connecting rod is arranged on the first rotating shaft, a second rotating shaft is arranged at the end part of the first connecting rod, and one end part of the second connecting rod is connected with a second connecting rod through the second rotating shaft;

the side position of the output shaft of the motor main body is provided with a mounting seat, a transmission shaft is arranged on the mounting seat, one end of the transmission shaft is connected with the second connecting rod, the other end of the transmission shaft is provided with a transmission bevel gear, a driving bevel gear is arranged on the output shaft of the motor main body, the driving bevel gear is meshed with the transmission bevel gear so as to drive the transmission shaft to drive the second connecting rod to rotate, and then the first connecting rod deflects and moves to drive the brush plate to scrape and clean dust in a reciprocating mode.

Preferably, the diameter of the driving bevel gear is set to be much smaller than that of the driving bevel gear.

Preferably, when the first connecting rod and the second connecting rod are horizontally overlapped, the brush plate is positioned at one end of the heat dissipation fin close to the output shaft of the motor main body, and when the second connecting rod is vertical, the brush plate is positioned in the middle of the heat dissipation fin.

Compared with the prior art, the invention has the beneficial effects that:

1. compared with the prior art, the motor main body cleaning device is characterized in that the cleaning component and the linkage component are combined for use, so that dust accumulated at the positions of the radiating fins on the motor main body can be automatically cleaned in the continuous use process of the motor main body, the continuous and effective heat radiation use of the motor main body is effectively ensured, and the service life of the motor main body is ensured.

2. In the continuous use process of the motor main body, particularly when the brush cannot effectively contact with the heat dissipation fins for dust removal after being seriously worn and shortened, the brush sleeve can be driven to pull and move through the position movement of the moving rod so as to continuously contact with the heat dissipation fins for dust removal, so that the full utilization of the brush sleeve is ensured, and frequent disassembly, assembly and replacement are avoided.

Drawings

FIG. 1 is a schematic structural diagram of an explosion-proof motor according to the present invention;

FIG. 2 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 3 is a schematic view of another embodiment of the present invention;

FIG. 4 is a schematic view of a brush according to the present invention;

FIG. 5 is a schematic view of the present invention in partial cross-section of FIG. 4;

FIG. 6 is a schematic view of the overall structure of embodiment 2 of the present invention;

FIG. 7 is a schematic view of another embodiment of the present invention;

fig. 8 is a schematic view of the sectional structure of the main plane of fig. 7 according to the present invention.

In the figure: 1-a motor body; 2-radiating fins; 3-a cleaning member; 31-a guide bar; 32-a bearing seat; 33-a slide; 4-a linkage member; 41-rotating shaft I; 42-connecting rod one; 43-rotating shaft two; 44-link two; 45-mounting seat; 46-a drive shaft; 47-drive bevel gear; 48-drive bevel gear; 5-brushing the board; 51-a base; 52-a groove; 53-a drive shaft; 54-a displacement rod; 55-through groove; 56-knob; 57-brush cover; 58-anti-skid lines; 61-a sweeping brush roll; 62-a bearing seat; 63-a transmission gear; 71-main drive gear; 72-a driven gear; 73-chain.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides a technical solution: an explosion-proof stepping motor comprises a motor main body 1 and radiating fins 2, wherein a cleaning component 3 is arranged on the outer side of the motor main body 1;

the cleaning component 3 comprises a plurality of guide rods 31, the guide rods 31 are respectively positioned at the side edge of the motor main body 1, a bearing seat 32 is arranged at the end part of each guide rod 31, the bearing seat 32 is arranged on the motor main body 1, the cleaning component 3 also comprises a sliding seat 33 respectively arranged on each guide rod 31, a brush plate 5 is arranged at the position of the heat dissipation fin 2 at the side edge of the motor main body 1, the brush plate 5 is arranged on the sliding seat 33, is in surface contact with the heat dissipation fin 2 and is connected with the linkage component 4, and further, the brush plate 5 is detachably connected with the sliding seat 33 so as to facilitate the disassembly, assembly and replacement when the brush plate 5 is worn and is difficult to apply;

the end part of the motor body 1 is provided with a linkage part 4, the linkage part 4 comprises a first rotating shaft 41 arranged on a base 51, the first rotating shaft 41 is provided with a first connecting rod 42, the end part of the first connecting rod 42 is provided with a second rotating shaft 43, the end part of the first connecting rod 42 is connected with a second connecting rod 44 through the second rotating shaft 43, the side edge position of the output shaft of the motor body 1 is provided with a mounting seat 45, the mounting seat 45 is provided with a transmission shaft 46, one end of the transmission shaft 46 is connected with the second connecting rod 44, the other end of the transmission shaft 46 is provided with a transmission bevel gear 47, the output shaft of the motor body 1 is provided with a driving bevel gear 48, and the driving bevel gear 48 is meshed with the transmission bevel gear 47;

when the motor body 1 is used, the bevel gear 48 is driven by the motor body 1 through the output shaft to drive the transmission bevel gear 47, the transmission shaft 46 is driven to rotate through the transmission bevel gear 47, and the first connecting rod 42 and the second connecting rod 43 are driven to continuously deflect in the continuous rotation process of the transmission shaft 46, so that the brush plate 5 is pulled and pushed to continuously reciprocate, and the heat dissipation fins 2 on the surface of the motor body 1 are continuously and automatically subjected to dust removal.

Further, the diameter that sets up drive bevel gear 48 is far less than transmission bevel gear 47's diameter, because motor body 1 operating speed is higher relatively, can drive the quick reciprocal scraping of brush board 5 under the normal condition, and in this short time, can not long-pending new dust of staying on heat radiation fins 2, therefore the quick scraping that this in-process brush board 5 lasts can lead to its short time in the wearing and tearing serious, influence normal dust removal, design through the gear ratio this moment, in order to carry out effective slowdown to brush board 5, when guaranteeing that it is effective from the drive dust removal, its wearing and tearing problem of effective control.

Further, when the first connecting rod 42 and the second connecting rod 44 are horizontally overlapped, the brush plate 5 is located at one end of the heat dissipation fin 2 close to the output shaft of the motor body 1, and when the second connecting rod 44 is vertical, the brush plate 5 is located at the middle position of the heat dissipation fin 2, the linkage part 4 is in butt joint with the output shaft of the motor body 1, so that the cleaning part 3 is driven to move on the heat dissipation fin 2 through the output shaft of the motor body 1 to clean dust, and through the characteristic design, the heat dissipation fin 2 can be stably and comprehensively cleaned in the continuous working process of the motor body 1.

Further, the brush plate 5 includes a base 51, a groove 52 is formed on one side of the base 51, a driving shaft 53 is disposed in the groove 52, a plurality of displacement rods 54 are sequentially disposed on the driving shaft 53, the displacement rods 54 are in an inclined rod structure, the inclination directions of every two adjacent displacement rods 54 are opposite, the plurality of displacement rods 54 are slidably connected with the inner wall of the groove 52, the plurality of displacement rods 54 are in threaded connection with the driving shaft 53, the thread directions of any adjacent displacement rods 54 are opposite, a through groove 55 communicated with the groove 52 is formed in the base 51, a knob 56 mounted on the driving shaft 53 is disposed in the through groove 55, the driving shaft 53 is driven to rotate by rotating the knob 56, and the adjacent displacement rods 54 are driven to synchronously and reversely move by matching the rotation limit of the side wall of the groove 52 to the displacement rods 54, the brush plate 5 further includes a brush sleeve 57, and the brush sleeve 57 is made of an elastic material, and the appearance matches the heat dissipating fin 2, and cover it in the base 51 and shift the pole 54 outside, move and come into contact with the inclined surface of the heat dissipating fin 2 to remove dust through the shift pole 54, through the above-mentioned characteristic design, when the end of the brush set 57 is abraded and can't contact with the surface of the heat dissipating fin 2, can rotate and drive the shift pole 54 to move through the drive shaft 53, in order to force and pull and tighten the big brush set 57, in order to force it to contact with the heat dissipating fin 2, do not need to dismantle and change, for the use of continuous dust cleaning treatment.

Furthermore, the surface of the knob 56 is engraved with anti-slip lines 58, so as to effectively facilitate the rotation of the driving shaft 53 during the continuous use process, and further facilitate the real-time position adjustment of the brush sleeve 57.

Example 2

Referring to fig. 6-8, the present invention provides a technical solution: an explosion-proof stepping motor comprises a motor main body 1 and radiating fins 2, wherein a cleaning component 3 is arranged on the outer side of the motor main body 1;

the cleaning component 3 comprises a plurality of cleaning brush rollers 61 respectively arranged between the gaps of the radiating fins 2, the cleaning brush rollers 61 are in surface contact with the radiating fins 2, two ends of each cleaning brush roller 61 are respectively and rotatably provided with a bearing seat 62, the bearing seats 62 are respectively arranged on the motor body 1, one end of each cleaning brush roller 61, which is far away from the output shaft of the motor body 1, is provided with a transmission gear 63, and the adjacent transmission gears 63 are meshed with each other;

the end of the motor body 1 is provided with a linkage part 4, the linkage part 4 comprises a main drive gear 71 arranged on the output shaft of the motor body 1, one end of any cleaning brush roller 61 close to the main drive gear 71 is provided with a driven gear 72, a chain 73 is arranged between the driven gear 72 and the main drive gear 71 and is in transmission connection with the driven gear, when the motor body 1 works, the corresponding cleaning brush roller 61 is driven to rotate by the main drive gear 71 and the driven gear 72 and each cleaning brush roller 61 is driven to synchronously rotate by matching with the transmission gear 63 so as to clean and remove dust on the heat radiating fins 2.

When needing to explain, clean brush roller 61 and be the brush roller to guarantee its deformability, guarantee its and heat radiation fins 2 surface full contact, and then guarantee high-efficient dust removal.

Different from embodiment 1, this embodiment has better dust removal efficiency in the actual use process, and each position removes dust synchronously, has abandoned the reciprocal dust removal mode of embodiment 1, but because sheltered from heat radiation fin 2 position, the radiating effect is not good enough, and transmission and linkage mode loss are more serious.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof step motor, includes motor main part (1) and heat radiation fins (2), its characterized in that: the cleaning device is characterized in that a cleaning component (3) is arranged on the outer side of the motor main body (1), the cleaning component (3) is in fit contact with the radiating fins (2), a linkage component (4) is arranged at the end part of the motor main body (1), the linkage component (4) is in butt joint with an output shaft of the motor main body (1), and drives the cleaning component (3) to move on the radiating fins (2) for cleaning dust through the output shaft of the motor main body (1), the cleaning component (3) comprises a plurality of guide rods (31), the guide rods (31) are respectively positioned at the side edges of the motor main body (1), a bearing seat (32) is arranged at the end part of each guide rod (31), and the bearing seats (32) are installed on the motor main body (1);

the cleaning component (3) further comprises sliding seats (33) respectively arranged on each guide rod (31), brush plates (5) are arranged at the positions of the heat dissipation fins (2) on the side edge of the motor main body (1), the brush plates (5) are installed on the sliding seats (33), are in surface contact with the heat dissipation fins (2), are connected with the linkage component (4), and drive the brush plates (5) to move on the guide rods (31) through the linkage component (4) to clean dust of the heat dissipation fins (2).

2. An explosion proof stepper motor as defined in claim 1, wherein: the brush plate (5) is detachably connected with the sliding seat (33).

3. An explosion proof stepper motor as defined in claim 2, wherein: the brush plate (5) comprises a base (51), one side of the base (51) is provided with a groove (52), a driving shaft (53) is arranged in the groove (52), the driving shaft (53) is sequentially provided with a plurality of shifting rods (54), the shifting rods (54) are of inclined rod structures, and the inclination directions of every two adjacent shifting rods (54) are opposite;

the plurality of shifting rods (54) are connected with the inner wall of the groove (52) in a sliding mode, the plurality of shifting rods (54) are connected with the driving shaft (53) in a threaded mode, the thread directions of any adjacent shifting rods (54) are opposite, a through groove (55) communicated with the groove (52) is formed in the base (51), a knob (56) installed on the driving shaft (53) is arranged in the through groove (55), the driving shaft (53) is driven to rotate by rotating the knob (56), and the adjacent shifting rods (54) are driven to synchronously and reversely move by matching with the rotation limit of the side wall of the groove (52) to the shifting rods (54);

the brush plate (5) further comprises a brush sleeve (57), the brush sleeve (57) is made of elastic materials, the shape of the brush sleeve is matched with that of the heat dissipation fins (2), the brush sleeve is sleeved on the outer sides of the base (51) and the shifting rod (54), and the shifting rod (54) moves to contact with the inclined surface of the heat dissipation fins (2) to remove dust.

4. An explosion proof stepper motor as defined in claim 3, wherein: the surface of the knob (56) is carved with anti-skid grains (58).

5. An explosion proof stepper motor as defined in claim 4, wherein: the linkage part (4) comprises a first rotating shaft (41) arranged on the base (51), a first connecting rod (42) is arranged on the first rotating shaft (41), a second rotating shaft (43) is arranged at the end part of the first connecting rod (42), and the end part of the first connecting rod (42) is connected with a second connecting rod (44) through the second rotating shaft (43);

the side edge position of the output shaft of the motor main body (1) is provided with a mounting seat (45), a transmission shaft (46) is arranged on the mounting seat (45), one end of the transmission shaft (46) is connected with the second connecting rod (44), the other end of the transmission shaft (46) is provided with a transmission bevel gear (47), a driving bevel gear (48) is arranged on the output shaft of the motor main body (1), the driving bevel gear (48) is meshed with the transmission bevel gear (47) to drive the transmission shaft (46) to drive the second connecting rod (44) to rotate, and the brush plate (5) is driven to scrape and clean dust in a reciprocating mode through deflection movement of the first connecting rod (42).

6. An explosion proof stepper motor as defined in claim 5, wherein: the diameter of the drive bevel gear (48) is set to be much smaller than that of the drive bevel gear (47).

7. An explosion proof stepper motor as defined in claim 6, wherein: when the first connecting rod (42) and the second connecting rod (44) are horizontally overlapped, the brush plate (5) is positioned at one end of the heat dissipation fin (2) close to the output shaft of the motor main body (1), and when the second connecting rod (44) is vertical, the brush plate (5) is positioned in the middle of the heat dissipation fin (2).