CN110148896B - MNS type low-voltage distribution cabinet - Google Patents
MNS type low-voltage distribution cabinet Download PDFInfo
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- CN110148896B CN110148896B CN201910548351.9A CN201910548351A CN110148896B CN 110148896 B CN110148896 B CN 110148896B CN 201910548351 A CN201910548351 A CN 201910548351A CN 110148896 B CN110148896 B CN 110148896B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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Abstract
The MNS type low-voltage power distribution cabinet effectively solves the problems that a filter screen of the existing power distribution cabinet is inconvenient to clean, dust is easy to float, cleaning is not thorough, maintenance workload is large, cleaning efficiency is low, and maintenance cost is high; the technical scheme for solving the problem is that the heat dissipation device comprises a main body, wherein heat dissipation holes are formed in the main body, a cover plate is arranged on the main body, and a through hole is formed in the top end of the cover plate; the side wall of the main body is provided with a vent, a filter screen is arranged in the vent, racks are arranged on two sides of the vent, a shell is arranged outside the vent, a first round roller is arranged in the shell, a first gear is arranged on the first round roller, a second gear is arranged between the first gear and the side wall of the shell, a second round roller is arranged on the right side of the first round roller, a third gear is arranged on the second round roller, a planetary gear mechanism is arranged on the shell, gear teeth are arranged on a gear ring, a rotating shaft is arranged in the shell, a vertical cylinder is arranged at the lower end of the rotating shaft, a first sleeve is arranged at the lower end of the rotating shaft, a second sleeve is arranged at the lower end of the rotating shaft; the inner cavity of the shell body is communicated with the vertical cylinder through a pipeline.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to an MNS type low-voltage power distribution cabinet.
Background
An MNS type power distribution cabinet, an MNS low-voltage drawer type power distribution cabinet, an MNS cabinet originally introduced into ABB corporation of Switzerland, through years of absorption and digestion in China, a more important control cabinet series is gradually developed and widely applied to power distribution stations, factories, industrial and mining enterprises, nuclear power stations and buildings.
In the places with large power consumption and various equipment, such as large-scale factories and large-scale power stations, power distribution cabinets, lighting distribution cabinets, metering cabinets and the like are divided according to functions, so that a plurality of power distribution cabinets are often arranged together for convenience of control and centralized processing, and even a special factory building can be built for the power distribution cabinets. MNS type switch board need keep ventilating with the external world in the use, and ventilation equipment is in its use, and the very volume accumulation dust of filter screen of draught fan (forced draught blower) entrance uses for a long time easily to lead to the ventilation efficiency to reduce, and indoor long time ventilation is not enough very easily causes the high temperature, causes equipment failure to and lead to the air dirty.
Therefore, the inside and the outside of the power distribution cabinet need to be cleaned regularly in the using process, the side wall of the cabinet body and the filter screen on the side wall need to be cleaned outside, in the prior art, the vent on the cabinet body adopts an iron filter screen, and two methods are adopted for cleaning.
Still some ventilation equipment departments adopt two louver grids and press from both sides the filter screen of packing one deck nylon fiber synthetic resin in the middle of, need when clearing up the filter screen to pull down the screw on the louver grid in the outside one by one, take off the louver grid in the outside and change the intermediate layer filter screen in the middle of, then install outer louver grid, need to twist repeatedly and twist the screw, it is lower to change efficiency to twist repeatedly the in-process, some screws can become invalid, just need to punch the installation again this moment, it is comparatively troublesome.
In the aspect of cleaning the filter screen, some brushes are matched with a dust collector to remove dust, for example, in the patent document with the application number of 201410803451.9, the cleaning brushes are used for removing dust, then the dust collector is fixed below the cleaning brushes to absorb dust, the rotating directions of the cleaning brushes and the gears in the scheme are consistent, the cleaning brushes are not thoroughly cleaned, residual dust exists, repeated operation needs to be carried out repeatedly, the efficiency is low, and the effect is poor; and the dust collector is fixed below, so that the dust can not be collected in time, and the dust is likely to fly everywhere.
To sum up, current filter screen is not convenient for clear up in the ventilation use, and the dust clearance is not thorough, and maintenance work volume is big, and cleaning efficiency is low down, can not in time collect the dust and cause the raise dust, produces adverse effect to other equipment, causes the maintenance cost of filter screen to be high.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the MNS type low-voltage power distribution cabinet, which effectively solves the problems that the filter screen of the conventional power distribution cabinet is inconvenient to clean, dust is easy to float, the cleaning is not thorough, the maintenance workload is large, the cleaning efficiency is low, and the maintenance cost is high in the cleaning process.
The technical scheme for solving the problem is that the power distribution cabinet comprises a power distribution cabinet main body, wherein a plurality of heat dissipation holes are formed in an upper side plate of the main body, a hemispherical cover plate with a downward opening is fixed on the upper side plate of the main body, the outer edge of the cover plate is fixed with the upper side plate of the power distribution cabinet in a sealing manner, and a through hole is formed in the top end of the cover plate; the side wall of the main body is provided with a horizontal vent, a filter screen is fixed in the vent, a horizontal rack is fixed on each of the upper side and the lower side of the vent, a rectangular shell capable of moving left and right along the vent is arranged on the outer side of the vent, the rear end of the shell is in an open shape, a vertical first round roller capable of rotating is arranged in the shell, the two ends of the first round roller penetrate through the side wall of the shell and are arranged on the outer side of the shell, first gears which are in one-to-one correspondence with the racks are fixed on the first round roller, a second gear which is coaxial with the first round roller is arranged between the first gear and the side wall of the shell, a second round roller which is parallel to the first round roller is arranged on the right side of the first round roller, third gears which are in one-to-one correspondence with the second gears and are meshed with the second gears are arranged on the second round roller, the second gears can drive the third gears to rotate, hard fibers are arranged on, gear teeth meshed with the rack are arranged on the outer circular surface of the gear ring, the planet carrier is annular, the planet carrier rotates along with a third gear, a rotating shaft capable of rotating is arranged in the shell, the upper end of the rotating shaft is fixed with the sun gear, the lower end of the rotating shaft penetrates through the side wall of the shell and is arranged on the lower side of the shell, a vertical cylinder coaxial with the rotating shaft is sleeved at the lower end of the rotating shaft, the upper end of the vertical cylinder is fixed with the shell, a first sleeve is sleeved at the lower end of the rotating shaft, the rotating shaft can drive the first sleeve to rotate in a single direction, a second sleeve is sleeved at the lower end of the rotating shaft, the second sleeve is arranged at the lower end of the first sleeve, the rotating; the shell cavity is communicated with the vertical cylinder through a pipeline, and the blades rotate to pump out the dust in the shell cavity through the vertical cylinder.
The dust and sundries collecting device is ingenious in structure, can effectively clean dust and sundries on a filter screen of a power distribution cabinet, is convenient to operate, avoids raising dust, prevents the dust from drifting, can collect the dust and the sundries in time, is convenient to maintain the power distribution cabinet, reduces the labor capacity, greatly improves the cleaning efficiency, and is high in adaptability and easy to popularize.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side cross-sectional view of the present invention.
Fig. 3 is a front sectional view of the core mechanism of the present invention.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
Fig. 5 is a sectional view taken along line B-B in fig. 3.
FIG. 6 is a first three-dimensional schematic diagram of a core mechanism according to the present invention.
FIG. 7 is a second three-dimensional schematic diagram of the core mechanism of the present invention.
Fig. 8 is a three-dimensional schematic diagram of a core mechanism of the present invention.
Fig. 9 is a state diagram of the present invention in use.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 9, the power distribution cabinet comprises a power distribution cabinet main body 1, a plurality of heat dissipation holes are formed in an upper side plate of the main body 1, a hemispherical cover plate 2 with a downward opening is fixed on the upper side plate of the main body 1, the outer edge of the cover plate 2 is fixed with the upper side plate of the power distribution cabinet in a sealing manner, and a through hole is formed in the top end of the cover plate 2; the side wall of the main body 1 is provided with a horizontal vent, a filter screen is fixed in the vent, a horizontal rack 3 is fixed on the upper side and the lower side of the vent, a rectangular shell 4 capable of moving left and right along the vent is arranged on the outer side of the vent, the rear end of the shell 4 is in an open shape, a vertical and rotatable first round roller 5 is arranged in the shell 4, both ends of the first round roller 5 penetrate through the side wall of the shell 4 and are arranged on the outer side of the shell 4, first gears 6 corresponding to the racks 3 one by one are fixed on the first round roller 5, a second gear 7 coaxial with the first round roller 5 is arranged between the first gear 6 and the side wall of the shell 4, a second round roller 8 parallel to the first round roller 5 is arranged on the right side of the first round roller 5, third gears 9 corresponding to the second gears 7 and meshed with each other are arranged on the second round roller 8, the second gears 7 can drive the third gears 9 to rotate, hard fibers are arranged on the outer circular surfaces of the first round roller 5 and the second round roller 8, a planetary gear mechanism is arranged on the upper side of the right end of the shell 4, gear teeth meshed with the rack 3 are arranged on the outer circular surface of the gear ring 10, the planetary carrier 11 is annular, the planetary carrier 11 rotates along with a third gear 9, a rotatable rotating shaft 14 is arranged in the shell 4, the upper end of the rotating shaft 14 is fixed with a sun gear 12, the lower end of the rotating shaft 14 penetrates through the side wall of the shell 4 and is arranged on the lower side of the shell 4, a vertical cylinder 13 coaxial with the rotating shaft 14 is sleeved at the lower end of the rotating shaft 14, the upper end of the vertical cylinder 13 is fixed with the shell 4, a first sleeve 15 is sleeved at the lower end of the rotating shaft 14, the rotating shaft 14 can drive the first sleeve 15 to rotate in a single direction, a second sleeve 16 is sleeved at the lower end of the rotating shaft 14, the second sleeve 16 is arranged at the lower end of the first; the cavity of the shell 4 is communicated with the vertical cylinder 13 through a pipeline, and the blades rotate to pump out the dust in the cavity of the shell 4 through the vertical cylinder 13.
In order to collect the raised dust in time, the lower end of the vertical cylinder 13 is sleeved with a movable cylinder 17, the movable cylinder 17 is in threaded connection with the vertical cylinder 13, the lower end of the movable cylinder 17 is provided with a plurality of cloth bags 18 with upward openings, and the cloth bags 18 are made of synthetic fibers, natural fibers or glass fibers and made of cloth or felt.
In order to prevent dust or sundries from being accumulated on the first round roller 5 and the second round roller 8, and to realize that the planet carrier 11 rotates along with the third gear 9 and the rotation directions of the planet carrier 11 and the gear ring 10 are opposite, the diameter of the second gear 7 is larger than that of the third gear 9, and fibers on the side, close to each other, of the first round roller 5 and the second round roller 8 are in contact with each other; and a space is arranged between the third gear 9 and the planet carrier 11, a transmission gear 19 is arranged in the space, the central shaft of the transmission gear 19 is fixed on the side wall of the shell 4, and the transmission gear 19 can rotate on the central shaft.
In order to realize that the shell 4 can generate a negative pressure environment in the cavity of the shell 4 when reciprocating in the horizontal direction, a one-way clutch is arranged between the first sleeve 15 and the rotating shaft 14, when the shell 4 moves leftwards, the rotating shaft 14 rotates forwards and can drive the first sleeve 15 to rotate, and the second sleeve 16 does not rotate along with the rotating shaft 14; a one-way clutch is arranged between the second sleeve 16 and the rotating shaft 14, when the shell 4 moves rightwards, the rotating shaft 14 can drive the second sleeve 16 to rotate, and the first sleeve 15 does not rotate along with the rotating shaft 14.
In order to collect the dust in the casing 4 as soon as possible, the blades on the first sleeve 15 and the second sleeve 16 are formed into a plurality of layers, and a plurality of blades on each layer are uniformly distributed on the circumference.
In order to prevent the gear ring 10 from falling off, a circular plate 20 is arranged on one side of the gear ring 10 far away from the shell 4, a connecting shaft coaxial with the gear ring 12 is arranged on the sun wheel 12, the connecting shaft penetrates through the circular plate 20 and is arranged on the outer side of the circular plate 20, and an annular bulge is arranged on one end of the connecting shaft arranged on the outer side of the circular plate 20 and is not separated from the circular plate 20.
In order to collect dust better, a plurality of vertical through grooves are formed in the front side plate of the shell 4, a collecting box 21 is fixed on the front side of each through groove, the cavity of each collecting box 21 is communicated with the cavity of the shell 4, and the lower end of each collecting box 21 is communicated with the vertical tube 13 through a pipeline.
In order to change the filter screen, the vent in place rather than the rectangle section of thick bamboo 22 of adaptation, the 1 outside of main part is placed in rectangle section of thick bamboo 22 one end, it is protruding that there is the annular on the outer fringe face of the 1 outer one end in chamber of main part is placed in rectangle section of thick bamboo 22, annular arch and main part 1 are through a plurality of fix with screws, the one end of keeping away from main part 1 in the rectangle section of thick bamboo 22 has protruding strip, be close to one of main part 1 in the rectangle section of thick bamboo 22 and serve and have a plurality of blind holes, a plurality of wedge blocks 23 that can remove in the blind hole have been placed in the blind hole, be connected with the pressure spring between wedge block 23 and the blind hole bottom, there is the interval between wedge block 23 and the protruding strip, place.
An exhaust fan is arranged on the inner side of the ventilation opening.
It is worth noting that the vertical cylinder 13 is connected with the rear side plate of the shell 4 through a pipeline, the pipeline is made of a metal hose, and the joint of the pipeline and the vertical cylinder 13 is positioned above the fan blade, so that the rotation of the fan blade can quickly collect the raised dust in the shell 4 into the cloth bag 18, and the raised dust is filtered under the action of the cloth bag 18, so that clean air is discharged; in order to increase the efficiency of the fan blades for pumping air, the diameter of the vertical cylinder 13 can be increased under the condition of not interfering the normal operation of other parts, so that the efficiency of the fan blades for pumping raised dust is enhanced; the cloth bag 18 is made of synthetic fiber, natural fiber or glass fiber woven cloth or felt, when the dust passes through the cloth bag 18, dust and sundries are left, and clean air is discharged from the cloth bag 18; when the one-way clutch is idle, the circulation of airflow in the vertical cylinder 13 is not influenced; when the filter screen is rotten or damaged, just need to change the filter screen, rectangular cylinder 22 is pulled down this moment to press wedge 23 in its corresponding blind hole, take out just old filter screen, steadily place new filter screen on a plurality of wedge 23 and press to the interval in, new filter screen can oppress wedge 23 and move to the blind hole, when the filter screen arrived in the interval, wedge 23 blocked new filter screen in the interval under the effect of pressure spring, install rectangular cylinder 22 on main part 1 according to the original state at last, change and accomplish.
When the device is used, the movable barrel 17 is screwed at the lower end of the vertical barrel 13, then the device is buckled on a vent of a power distribution cabinet, the first gear 6 is meshed with the corresponding rack 3, gear teeth on the outer side of the gear ring 10 are meshed with the rack 3 above the gear ring, the shell 4 is moved left and right in the horizontal direction at the moment, the shell 4 drives the first gear 6 to roll on the rack 3, the first gear 6 rolls to drive the first round roller 5 to rotate, hard fibers on the first round roller 5 clean the filter screen, meanwhile, the second gear 7 drives the third gear 9 to rotate, the third gear 9 drives the second round roller 8 to rotate, the hard fibers on the second round roller 8 clean the filter screen, and dust can be generated during cleaning; meanwhile, the third gear 9 drives the planet carrier 11 to rotate through the transmission gear 19, the gear ring 10 is driven to roll on the rack 3 by the left-right movement of the shell 4, two power is respectively input from the planet carrier 11 and the gear ring 10, and is output from the sun gear 12 after being synthesized to provide enough rotating speed for the rotating shaft 14, the rotating shaft 14 can drive the first sleeve 15 or the second sleeve 16 to rotate, and the raised dust generated in the shell 4 is pumped downwards into the cloth bag 18 along with the air.
In the above process, when the shell 4 moves leftwards, the rotating shaft 14 rotates forwards, the rotating shaft 14 can drive the first sleeve 15 to rotate through the one-way clutch, the fan blades on the first sleeve 15 can pump out the dust in the shell 4 through the pipeline, and the rotating shaft 14 cannot drive the second sleeve 16 to rotate; when the shell 4 moves rightwards, the rotating shaft 14 rotates reversely, the rotating shaft 14 can drive the second sleeve 16 to rotate through the one-way clutch, the fan blades on the second sleeve 16 can pump out the raised dust in the shell 4 through the pipeline, the rotating shaft 14 at the moment cannot drive the first sleeve 15 to rotate, the negative pressure environment in the shell 4 can be always generated in the reciprocating motion process of the shell 4, and the raised dust and impurities can be collected into the cloth bag 18 at the lower end of the movable barrel 17.
The invention has the outstanding advantages and remarkable progress that:
1. according to the invention, the first round roller 5 and the second round roller 8 rotate to enable the hard fibers to clean dust and impurities on the filter screen, and a negative pressure environment in the cavity of the shell 4 is caused by the rotation of the fan blades, raised dust generated in the cleaning process is intensively pumped into the vertical cylinder 13 through the pipeline under the action of the fan blades and then is downwards sent into the cloth bag 18 through the vertical cylinder 13, the cloth bag 18 has a filtering function, the cloth bag 18 leaves the dust and impurities and discharges clean air, the raised dust is avoided as much as possible, the dust is effectively prevented from escaping, and the dust and the impurities are reduced from entering the cabinet body.
2. According to the invention, the diameter of the second gear 7 is larger than that of the third gear 9, the second gear 7 drives the third gear 9 to rotate, so that a rotation speed difference exists between the first round roller 5 and the second round roller 8, the first round roller 5 and the second round roller 8 are cleaned mutually by utilizing the rotation speed difference, and dust and sundries are prevented from being accumulated on hard fibers.
3. One-way clutches are arranged between the first sleeve 15, the second sleeve 16 and the rotating shaft 14, so that negative pressure environment in the cavity of the shell 4 can be generated no matter the rotating shaft 14 rotates forwards or backwards, and dust and impurities in the cleaning process can be collected.
4. According to the invention, by utilizing a planetary gear train mechanism, two power sources are respectively input from the planet carrier 11 and the outer gear ring 10 and output from the sun gear 12 after being synthesized, the rotating shaft 14 is ensured to have enough rotating speed, and the fan blades are divided into multiple layers, and each layer is provided with a plurality of fan blades, so that the raised dust and sundries in the shell 4 can be rapidly collected in a short time, and the flying is avoided, and the device is clean and sanitary and has high efficiency.
5. According to the invention, the dust and sundries on the filter screen can be cleaned without disassembling the filter screen, only two racks 3 are required to be added on the upper side and the lower side of the filter screen of the conventional power distribution cabinet, other parts can be completely separated from the power distribution cabinet, a plurality of power distribution cabinets or a plurality of filter screens are mutually universal, the carrying is convenient, only the cloth bag 18 needs to be replaced or cleaned according to the condition, and the management is convenient.
6. Compared with the traditional cleaning mode, the dust-raising cleaning device can effectively prevent dust from raising, not only can prevent dust from entering the power distribution cabinet to cause dust deposition on electrical elements, but also can effectively protect the health of operators, greatly reduce the labor capacity of the operators and facilitate centralized treatment.
To sum up, the dust and sundries on the filter screen of the power distribution cabinet can be effectively cleaned, the operation is convenient, the dust is prevented from flying, the dust and the sundries can be collected in time, the maintenance of the power distribution cabinet is convenient, the labor capacity is reduced, the cleaning efficiency is greatly improved, the adaptability is high, and the popularization is easy.
Claims (8)
1. An MNS type low-voltage power distribution cabinet is characterized by comprising a power distribution cabinet main body (1), wherein a plurality of heat dissipation holes are formed in an upper side plate of the main body (1), a hemispherical cover plate (2) with a downward opening is fixed on the upper side plate of the main body (1), the outer edge of the cover plate (2) is hermetically fixed with the upper side plate of the power distribution cabinet, and a through hole is formed in the top end of the cover plate (2); the side wall of the main body (1) is provided with a horizontal vent, a filter screen is fixed in the vent, racks (3) in a horizontal shape are fixed on the upper side and the lower side of the vent, a rectangular shell (4) capable of moving left and right along the vent is arranged on the outer side of the vent, the rear end of the shell (4) is in an open shape, a vertical first round roller (5) capable of rotating is arranged in the shell (4), two ends of the first round roller (5) penetrate through the side wall of the shell (4) and are arranged on the outer side of the shell (4), first gears (6) corresponding to the racks (3) one by one are fixed on the first round roller (5), second gears (7) coaxial with the first round roller (5) are arranged between the first gears (6) and the side wall of the shell (4), second round rollers (8) parallel to the first round roller (5) are arranged on the right side of the first round roller (5), third gears (9) corresponding to the second gears (7) and meshed with each other are arranged on the second round roller (, the second gear (7) can drive the third gear (9) to rotate, hard fibers are arranged on the outer circular surfaces of the first circular roller (5) and the second circular roller (8), a planetary gear mechanism is arranged on the upper side of the right end of the shell (4), gear teeth meshed with the rack (3) are arranged on the outer circular surface of the gear ring (10), the planet carrier (11) is annular, the planet carrier (11) rotates along with the third gear (9), a rotatable rotating shaft (14) is arranged in the shell (4), the upper end of the rotating shaft (14) is fixed with the sun wheel (12), the lower end of the rotating shaft (14) penetrates through the side wall of the shell (4) and is arranged on the lower side of the shell (4), a vertical cylinder (13) coaxial with the rotating shaft (14) is sleeved at the lower end of the rotating shaft (14), a first sleeve (15) is sleeved at the upper end of the vertical cylinder (13) and is fixed with the shell (4), the lower end of the rotating shaft (14) is sleeved with the first sleeve (15), the rotating, the second sleeve (16) is arranged at the lower end of the first sleeve (15), the rotating shaft (14) can drive the second sleeve (16) to rotate in a single direction, and a plurality of fan blades are fixed on the outer circular surfaces of the first sleeve (15) and the second sleeve (16); the cavity of the shell (4) is communicated with the vertical cylinder (13) through a pipeline, and the blades rotate to pump out the dust in the cavity of the shell (4) through the vertical cylinder (13).
2. The MNS type low-voltage power distribution cabinet according to claim 1, characterized in that a movable cylinder (17) is sleeved at the lower end of the vertical cylinder (13), the movable cylinder (17) is in threaded connection with the vertical cylinder (13), a plurality of cloth bags (18) with upward openings are arranged at the lower end of the movable cylinder (17), and the cloth bags (18) are made of synthetic fibers, natural fibers or glass fibers and are woven into cloth or felt.
3. An MNS type low-voltage distribution cabinet according to claim 1, characterized in that said second gear (7) has a larger diameter than the third gear (9), the fibers on the side of the first circular roller (5) and the second circular roller (8) that are close to each other being in contact with each other; and a space is arranged between the third gear (9) and the planet carrier (11), a transmission gear (19) is arranged in the space, the central shaft of the transmission gear (19) is fixed on the side wall of the shell (4), and the transmission gear (19) can rotate on the central shaft.
4. An MNS type low-voltage distribution cabinet according to claim 1, characterized in that a one-way clutch is installed between the first sleeve (15) and the rotating shaft (14), when the housing (4) moves to the left, the rotating shaft (14) rotates forward and can drive the first sleeve (15) to rotate, and the second sleeve (16) does not rotate along with the rotating shaft (14); a one-way clutch is arranged between the second sleeve (16) and the rotating shaft (14), when the shell (4) moves rightwards, the rotating shaft (14) can drive the second sleeve (16) to rotate, and the first sleeve (15) does not rotate along with the rotating shaft (14).
5. An MNS type low-voltage distribution cabinet according to claim 1, characterized in that the blades on the first sleeve (15) and the second sleeve (16) are in a plurality of layers, and a plurality of blades on each layer are circumferentially and uniformly distributed.
6. An MNS type low-voltage distribution cabinet according to claim 1, characterized in that a circular plate (20) is arranged on the side of the gear ring (10) far away from the casing (4), a connecting shaft coaxial with the gear ring is arranged on the sun wheel (12), the connecting shaft penetrates through the circular plate (20) and is arranged on the outer side of the circular plate (20), and an annular bulge is arranged on the end of the connecting shaft arranged on the outer side of the circular plate (20), and the annular bulge is not separated from the circular plate (20).
7. An MNS type low-voltage distribution cabinet according to claim 1, characterized in that a plurality of vertical through slots are made on the front side plate of said casing (4), a collection box (21) is fixed on the front side of each through slot, the cavity of the collection box (21) is communicated with the cavity of the casing (4), and the lower end of the collection box (21) is communicated with the vertical tube (13) through a pipeline.
8. The MNS type low-voltage power distribution cabinet according to claim 1, characterized in that a rectangular cylinder (22) matched with the vent is placed in the vent, one end of the rectangular cylinder (22) is placed outside the main body (1), an annular bulge is arranged on the outer edge surface of one end of the rectangular cylinder (22) outside the cavity of the main body (1), the annular bulge is fixed with the main body (1) through a plurality of screws, a raised strip is arranged at one end of the rectangular cylinder (22) far away from the main body (1), a plurality of blind holes are formed in one end of the rectangular cylinder (22) close to the main body (1), a plurality of wedge blocks (23) capable of moving in the blind holes are placed in the blind holes, a pressure spring is connected between the wedge blocks (23) and the bottoms of the blind holes, a gap is formed between the wedge blocks (23) and the raised strip, a filter screen is placed in the gap, and the filter screen can enter the gap from one side of the wedge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548351.9A CN110148896B (en) | 2019-06-24 | 2019-06-24 | MNS type low-voltage distribution cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548351.9A CN110148896B (en) | 2019-06-24 | 2019-06-24 | MNS type low-voltage distribution cabinet |
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| CN110148896A CN110148896A (en) | 2019-08-20 |
| CN110148896B true CN110148896B (en) | 2020-05-12 |
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| CN201910548351.9A Active CN110148896B (en) | 2019-06-24 | 2019-06-24 | MNS type low-voltage distribution cabinet |
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| CN113225947B (en) * | 2021-03-25 | 2023-02-17 | 中国电信股份有限公司新疆长途传输局 | Filter equipment and rack that ecological photoelectricity rack of intelligence was intake |
| CN113090479B (en) * | 2021-04-29 | 2022-04-12 | 中国华能集团清洁能源技术研究院有限公司 | Ash removal heat abstractor for aerogenerator |
| CN114233072B (en) * | 2022-01-07 | 2022-08-02 | 江苏快呗新能源科技有限公司 | Technical service system for parking lot service |
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| CN109751679A (en) * | 2019-01-10 | 2019-05-14 | 邯郸开发区东石环保科技有限公司 | A kind of wall-hanging movable air clarifier |
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| CN108539630A (en) * | 2018-05-04 | 2018-09-14 | 峨眉山长宇电气有限公司 | A kind of box-type substation with efficient radiating apparatus |
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| CN109200697A (en) * | 2018-11-02 | 2019-01-15 | 合肥林夏智能科技有限公司 | A kind of automation dust-extraction unit |
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