CN115021465A - Sealing device with heat dissipation effect for explosion-proof motor - Google Patents
Sealing device with heat dissipation effect for explosion-proof motor Download PDFInfo
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- CN115021465A CN115021465A CN202210933998.5A CN202210933998A CN115021465A CN 115021465 A CN115021465 A CN 115021465A CN 202210933998 A CN202210933998 A CN 202210933998A CN 115021465 A CN115021465 A CN 115021465A
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- sealing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to the field of sealing of explosion-proof motors, in particular to a sealing device with a heat dissipation effect for an explosion-proof motor. The technical problem is as follows: the existing sealing device is usually sealed by using a rubber sealing ring, the rubber is accelerated in thermal aging speed, the sealing effect of the sealing ring is reduced, and the safety problem exists. The technical scheme is as follows: a sealing device with heat dissipation effect for an explosion-proof motor comprises a mounting seat, a shell protection component and the like; the front part of the upper side and the rear part of the upper side of the mounting seat are respectively provided with a machine shell protection component. When the cooling oil circulation type motor casing sealing device is used, the cooling and infiltration of the rubber materials at the sealing positions of the casing protection assembly, the output shaft sealing assembly and the heat dissipation assembly are realized through cooling oil circulation, the reduction of the sealing effect caused by accelerated rubber aging is avoided, the service life is ensured, one sealing is formed through the cooling oil, the sealing effect is further improved, and the safety problem is avoided.
Description
Technical Field
The invention relates to the field of sealing of explosion-proof motors, in particular to a sealing device with a heat dissipation effect for an explosion-proof motor.
Background
In the prior art, for promoting the safety performance of the explosion-proof motor during use, a sealing device is usually arranged outside the explosion-proof motor for matching use, the existing sealing device is usually sealed by using a rubber sealing ring, the rubber is accelerated in thermal aging speed, the sealing effect of the sealing ring is reduced, the safety problem of the sealing device in the use process is caused, meanwhile, the service life of the sealing device is shortened, because the heat dissipation performance of the explosion-proof motor is poor, the heat dissipation cannot be timely performed after the sealing device is additionally arranged, the explosion-proof motor is easily caused to excessively generate heat, and the service life of the explosion-proof motor is further shortened.
Disclosure of Invention
The invention provides a sealing device for an explosion-proof motor, which has a heat dissipation effect and aims to overcome the defects that the sealing effect of a sealing ring is reduced and the safety problem exists because the sealing device is usually sealed by using a rubber sealing ring and the rubber is accelerated in thermal aging speed.
The technical implementation scheme of the invention is as follows: a sealing device with heat dissipation effect for an explosion-proof motor comprises a mounting seat; the second cooling pipe, the shell protection component, the output shaft sealing component and the heat dissipation component are also included; the front part of the upper side and the rear part of the upper side of the mounting seat are respectively provided with a machine shell protection component for protecting a machine shell of the explosion-proof motor; an output shaft sealing assembly used for sealing an output shaft of the explosion-proof motor is arranged at the left part of the two shell sealing assemblies; a heat dissipation assembly for dissipating heat is arranged at the right part of the two shell sealing assemblies; the heat dissipation assembly is connected with a second cooling pipe; explosion-proof machine installs on the mount pad, covers explosion-proof machine's casing through two casing protection component combinations, and output shaft seal assembly and radiator unit cooperation are sealed the casing protection component left side and the right side after the combination, and casing protection component dispels the heat to explosion-proof machine's casing simultaneously, and radiator unit dispels the heat to explosion-proof machine outside.
In addition, it is especially preferred that the front casing protection component comprises a sealing casing, a first handle, a first fixing block, a second fixing block, a wing bolt, a heat dissipation unit and a dust prevention unit; the front part of the upper side of the mounting seat is connected with a sealing shell; a first handle is fixedly connected to the left part of the front side and the right part of the front side of the sealing shell; the left part of the upper side and the left part of the lower side of the sealing shell are respectively fixedly connected with a second fixing block; the two second fixing blocks are internally and respectively screwed with a wing bolt; the right part of the upper side and the right part of the lower side of the sealing shell are respectively fixedly connected with a first fixing block; the left part of the sealing shell is connected with a heat dissipation unit; the right part of the sealing shell is connected with a dustproof unit; the edge of the upper part of the rear side of the sealing shell is provided with a first oil guide groove; a second oil guide groove is formed in the lower edge of the rear side of the sealing shell; the right side edge of the upper part and the right side edge of the lower part of the sealing shell are both provided with a first connecting groove; two limiting grooves are formed in the two first connecting grooves; the upper first connecting groove is communicated with the first oil guide groove; the first connecting groove at the lower part is communicated with the second oil guide groove; the right side of the upper part and the right side of the lower part of the sealing shell are both provided with a second connecting groove; the second connecting groove above is communicated with the first oil guide groove; the lower second connecting groove is communicated with the second oil guide groove; the second connecting groove is positioned on the left of the first connecting groove; a third connecting groove is formed in the left side of the lower part of the sealing shell; and the third connecting groove is communicated with the second oil guide groove.
Further, it is particularly preferable that the dust preventing unit includes a dust preventing cover, a rectangular frame, and a filter plate; the right part of the sealing shell is fixedly connected with a dust cover; a rectangular frame is connected in the dust cover in a sliding manner; a filter plate is fixedly connected in the rectangular frame.
In addition, it is particularly preferred that the output shaft sealing assembly comprises a first sealing disc, a first sealing ring, a second handle, a sealing pipe, a first rubber ring and a second rubber ring; the left parts of the two sealing shells are connected with a first sealing disc in a sliding manner; two first sealing rings are sleeved on the outer annular surface of the first sealing disc; a second handle is fixedly connected to the front part of the left side and the rear part of the left side of the first sealing plate; a sealing pipe is rotationally connected in the first sealing disc; two first rubber rings are sleeved on the outer ring surface of the sealing pipe; two second rubber rings are detachably and fixedly connected to the inner ring surface of the sealing pipe; a first sealing groove for storing cooling oil is formed in the middle of the inner wall of the sealing pipe; the middle part of the sealing pipe is provided with a plurality of arc-shaped grooves for cooling oil to pass through.
In addition, it is particularly preferable that the heat dissipating assembly includes a second sealing disc, a second sealing ring, a hose, a connection pipe, a third rubber ring, a third handle, and a ventilation unit; the right parts of the two sealing shells are connected with a second sealing disc in a sliding manner; a third handle is fixedly connected to the front part of the right side and the rear part of the right side of the second sealing disc; the second sealing disc is fixedly connected with the second cooling pipe; two second sealing rings are sleeved on the outer annular surface of the second sealing disc; the upper side of the right part and the lower side of the right part of the second cooling pipe are both communicated with a hose; the left sides of the two hoses are both communicated with a connecting pipe; two third rubber rings are fixedly connected to the outer ring surfaces of the two connecting pipes; the connecting pipe and the third rubber ring are both connected with the two sealing shells in a sliding manner; a vent unit is attached within the second sealing disk.
Further, it is particularly preferable that the ventilation unit includes a dust screen and a fan; a fan is arranged in the second sealing disc; the dust screen is fixedly connected to the right side of the second sealing disc.
In addition, it is particularly preferable that the outer circumferential surface of the seal pipe is opened with a plurality of fourth connecting grooves communicating with the arc-shaped grooves for guiding the cooling oil to the first rubber ring.
Further, it is particularly preferable that both the first seal-disk outer circumferential surface and the second seal-disk outer circumferential surface have a second seal groove for the flow of cooling oil.
Further, it is particularly preferable that the first seal disk has a plurality of fifth connecting grooves bored therein for flowing the cooling oil to the arc-shaped grooves.
Further, it is particularly preferable that each of the first seal-disk outer-ring surface and the second seal-disk outer-ring surface is opened with a plurality of sixth connecting grooves communicating with the second seal groove, the sixth connecting grooves being for guiding the cooling oil to the first seal ring and the second seal ring.
The invention has the beneficial effects that: when the anti-explosion motor shell is used, the two sealing shells are tightly attached to the surface of the junction box at the upper part of the anti-explosion motor through the rubber pads arranged on the opposite sides of the two sealing shells, and meanwhile, the two sealing shells are tightly attached to the upper side of the mounting seat, and the output shaft sealing assembly and the heat dissipation assembly are matched to seal the left side and the right side of the combined shell protection assembly to form first sealing;
the cooling oil is circulated to cool and soak the rubber materials at the sealing positions of the casing protection assembly, the output shaft sealing assembly and the heat dissipation assembly, so that the reduction of the sealing effect caused by the accelerated thermal aging of the rubber is avoided, and the service life is ensured;
cooling oil continuously circulates in the first oil guide groove, the first connecting groove, the limiting groove, the second connecting groove, the second oil guide groove, the third connecting groove, the arc-shaped groove, the first sealing groove, the second sealing groove and the fifth connecting groove, so that a second seal is formed through the cooling oil, the sealing effect is further improved, and the safety problem is avoided;
the explosion-proof motor is cooled through the plurality of cooling plates, the cooling plates are cooled through the first cooling pipes, the heat dissipation effect is guaranteed, cooling oil circulating in the second cooling pipes dissipates heat outside the rear fan cover of the explosion-proof motor, hot air in the sealed cavity is blown out through the fan, and the explosion-proof motor is prevented from excessively heating.
Drawings
Fig. 1 is a first perspective view of an assembled state of a sealing device for an explosion-proof motor with a heat dissipation effect according to the present invention;
fig. 2 is a schematic diagram of a second three-dimensional structure of the sealing device for the explosion-proof motor with the heat dissipation effect in an assembled state;
fig. 3 is a schematic view of a first partial three-dimensional structure of the sealing device for the explosion-proof motor with the heat dissipation effect according to the invention;
fig. 4 is a third schematic perspective view of the assembled state of the sealing device for the explosion-proof motor with the heat dissipation effect according to the present invention;
fig. 5 is a schematic view of a first three-dimensional structure of a housing protection component of the sealing device for the explosion-proof motor with the heat dissipation effect, according to the invention;
fig. 6 is a second perspective view of the housing protection component of the sealing device for an explosion-proof motor with a heat dissipation effect according to the present invention;
FIG. 7 is an enlarged view of the area A of the sealing device for an explosion-proof electric machine with a heat dissipation effect according to the present invention;
FIG. 8 is an enlarged view of the area B of the sealing device for an explosion-proof electric machine with a heat dissipation effect according to the present invention;
FIG. 9 is an enlarged view of the area C of the sealing device for an explosion-proof electric machine with a heat dissipation effect according to the present invention;
fig. 10 is a partial perspective view of a housing protection component of the sealing device for an explosion-proof motor with a heat dissipation effect according to the present invention;
fig. 11 is a schematic view of a second partial three-dimensional structure of the sealing device for the explosion-proof motor with the heat dissipation effect according to the invention;
fig. 12 is a schematic view of a first partial perspective structure of an output shaft seal assembly of the sealing device for an explosion-proof motor with a heat dissipation effect according to the present invention;
fig. 13 is a third partial perspective view of the sealing device for an explosion-proof motor with a heat dissipation effect according to the present invention;
FIG. 14 is an enlarged view of region D of the sealing device for an explosion-proof electric motor with heat dissipation effect according to the present invention;
fig. 15 is a schematic diagram of a second partial three-dimensional structure of an output shaft sealing assembly of the sealing device for the explosion-proof motor with the heat dissipation effect according to the invention;
fig. 16 is a schematic diagram of a third partial three-dimensional structure of an output shaft sealing assembly of the sealing device for the explosion-proof motor with the heat dissipation effect according to the invention;
fig. 17 is a schematic perspective view of a heat dissipation assembly of the sealing device for an explosion-proof motor with a heat dissipation effect according to the present invention.
Number designation in the figure: 1-a mounting base, 001-a junction box, 002-an explosion-proof motor, 003-a first oil guide groove, 004-a first connecting groove, 005-a limiting groove, 006-a second connecting groove, 007-a second oil guide groove, 008-a third connecting groove, 009-an arc groove, 010-a fourth connecting groove, 011-a first seal groove, 012-a second seal groove, 013-a fifth connecting groove, 014-a sixth connecting groove, 101-a seal shell, 102-a first handle, 103-a first fixed block, 104-a second fixed block, 105-a wing bolt, 106-a first cooling tube, 107-a heat dissipation plate, 108-a dust cover, 109-a rectangular frame, 110-a filter plate, 201-a first seal plate, 202-a first seal ring, 203-a second handle, 204-sealing tube, 205-first rubber ring, 206-second rubber ring, 301-second sealing disk, 302-second sealing ring, 303-second cooling tube, 304-hose, 305-connecting tube, 306-third rubber ring, 307-dust screen, 308-third handle, 309-fan.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Examples
A sealing device with heat dissipation effect for an explosion-proof motor is shown in figures 1-17 and comprises a mounting seat 1;
the cooling device also comprises a second cooling pipe 303, a shell protection component, an output shaft sealing component and a heat dissipation component; the front part of the upper side and the rear part of the upper side of the mounting seat 1 are respectively provided with a machine shell protection component; the left parts of the two shell sealing components are provided with sealing components for the output shaft; the right parts of the two shell sealing components are provided with heat dissipation components; a second cooling tube 303 is connected to the heat sink assembly.
The front machine shell protection component comprises a sealing shell 101, a first handle 102, a first fixing block 103, a second fixing block 104, a wing bolt 105, a heat dissipation unit and a dustproof unit; the front part of the upper side of the mounting seat 1 is connected with a sealing shell 101; a first handle 102 is welded on the left part and the right part of the front side of the sealing shell 101; a second fixing block 104 is fixedly connected to the left part of the upper side and the left part of the lower side of the sealing shell 101 respectively; a wing bolt 105 is screwed in each of the two second fixing blocks 104; the right part of the upper side and the right part of the lower side of the sealing shell 101 are respectively fixedly connected with a first fixing block 103; the left part of the sealing shell 101 is connected with a heat dissipation unit; the right part of the sealing shell 101 is connected with a dustproof unit; the edge of the upper part of the rear side of the sealing shell 101 is provided with a first oil guiding groove 003; a second oil guide groove 007 is formed at the lower edge of the rear side of the sealing shell 101; the right side edge of the upper part and the right side edge of the lower part of the sealing shell 101 are both provided with a first connecting groove 004; two limiting grooves 005 are formed in the two first connecting grooves 004; the upper first connecting groove 004 is communicated with the first oil guide groove 003; the lower first connecting groove 004 is communicated with the second oil guide groove 007; the right side of the upper part and the right side of the lower part of the sealing case 101 are both provided with a second connection groove 006; the upper second connecting groove 006 is communicated with the first oil guiding groove 003; the lower second connection groove 006 is communicated with the second oil guide groove 007; the second connection groove 006 is located to the left of the first connection groove 004; the left side of the lower part of the sealing shell 101 is provided with a third connecting groove 008; the third connecting groove 008 is communicated with the second oil guide groove 007.
The heat dissipation unit comprises a first cooling pipe 106 and a heat dissipation plate 107; a plurality of heat dissipation plates 107 are fixedly connected to the left part of the sealing shell 101, and the heat dissipation plates 107 penetrate through the sealing shell 101; the first cooling pipe 106 is fixed to the front portions of the plurality of heat dissipation plates 107, and the first cooling pipe 106 penetrates the plurality of heat dissipation plates 107.
The dustproof unit comprises a dustproof cover 108, a rectangular frame 109 and a filter plate 110; the right part of the sealing shell 101 is fixedly connected with a dust cover 108; a rectangular frame 109 is slidably connected in the dust cover 108; a filter plate 110 is fixedly connected in the rectangular frame 109.
The rectangular frame 109 is provided with a pull ring on the upper side thereof for pulling it out of the dust cover 108.
The dust cover 108 is provided with a filter screen for dust prevention at the front side.
The output shaft sealing assembly comprises a first sealing disc 201, a first sealing ring 202, a second handle 203, a sealing tube 204, a first rubber ring 205 and a second rubber ring 206; the left parts of the two sealing shells 101 are connected with a first sealing disc 201 in a sliding way; two first sealing rings 202 are sleeved on the outer annular surface of the first sealing disc 201; a second handle 203 is welded on the front part and the rear part of the left side of the first sealing disc 201; a sealing tube 204 is rotatably connected in the first sealing disc 201; two first rubber rings 205 are sleeved on the outer ring surface of the sealing tube 204; two second rubber rings 206 are detachably and fixedly connected to the inner annular surface of the sealing pipe 204; the middle part of the inner wall of the sealing pipe 204 is provided with a first sealing groove 011; the middle of the sealing tube 204 is provided with a plurality of arc-shaped grooves 009.
The heat dissipation assembly comprises a second sealing disc 301, a second sealing ring 302, a hose 304, a connecting pipe 305, a third rubber ring 306, a third handle 308 and a ventilation unit; the right parts of the two sealing shells 101 are connected with a second sealing disc 301 in a sliding manner; a third handle 308 is welded on the front part of the right side and the rear part of the right side of the second sealing disc 301; the second sealing disc 301 is fixedly connected with a second cooling pipe 303; two second sealing rings 302 are sleeved on the outer annular surface of the second sealing disc 301; the upper side and the lower side of the right part of the second cooling pipe 303 are both communicated with a hose 304; the left sides of the two hoses 304 are both communicated with a connecting pipe 305; two third rubber rings 306 are fixedly connected to the outer ring surfaces of the two connecting pipes 305; the connecting pipe 305 and the third rubber ring 306 are both connected with the two sealing shells 101 in a sliding manner; a ventilation unit is connected to the second sealing disk 301.
The ventilation unit comprises a dust screen 307 and a fan 309; a fan 309 is installed in the second sealing disk 301; a dust screen 307 is fixed to the right side of the second sealing disc 301.
The outer circumferential surface of the sealing tube 204 is formed with a plurality of fourth connecting grooves 010 communicating with the arc grooves 009 for guiding the cooling oil to the first rubber ring 205.
The outer circumferential surface of the first seal disk 201 and the outer circumferential surface of the second seal disk 301 are each provided with a second seal groove 012 for the flow of cooling oil.
A plurality of fifth connecting grooves 013 for cooling oil flowing to the arc-shaped grooves 009 are bored in the first seal disk 201.
The outer annular surface of the first seal disk 201 and the outer annular surface of the second seal disk 301 are each provided with a plurality of sixth connection grooves 014 communicating with the second seal grooves 012, the sixth connection grooves 014 serving to guide the cooling oil to the first seal ring 202 and the second seal ring 302.
During installation, the installation base 1 is installed at a position where the explosion-proof motor 002 needs to be installed through bolts, then the explosion-proof motor 002 is installed on the installation base 1, then two operators respectively hold one first handle 102 to enable the two sealing shells 101 to cover the machine shell of the explosion-proof motor 002 and the upper portion of the installation base 1, as shown in fig. 1, the wing bolt 105 in the second fixing block 104 in front is manually screwed into the second fixing block 104 on the sealing shell 101 in back, the two sealing shells 101 are preliminarily fixed, meanwhile, the plurality of heat dissipation plates 107 are inserted into the grooves in the machine shell of the explosion-proof motor 002 to be mutually contacted with the machine shell of the explosion-proof motor 002, then the first sealing disk 201 is installed at the left portions of the two sealing shells 101 through holding the second handle 203, the two first sealing rings 202 on the first sealing disk 201 are mutually contacted with the inner walls of the two sealing shells 101, and the sealing pipe 204 is sleeved on the output shaft of the explosion-proof motor 002, two second rubber rings 206 on the inner wall of the sealing tube 204 are contacted with the output shaft of the explosion-proof motor 002, then the second sealing disc 301 is arranged at the right part of the two sealing shells 101 by holding a third handle 308 by hand, so that the two second sealing rings 302 on the second sealing disc 301 are contacted with the inner walls of the two sealing shells 101, meanwhile, the second cooling tube 303 is sleeved outside the rear wind cover of the explosion-proof motor 002, then the wing bolts 105 in the second fixing blocks 104 on the two sealing shells 101 are screwed, because the opposite sides of the two sealing shells 101 are provided with rubber pads, the two sealing shells 101 are tightly attached to the surface of the junction box 001 on the upper part of the explosion-proof motor 002, meanwhile, the two sealing shells 101 are tightly attached to the upper side of the mounting seat 1 to form a first seal, meanwhile, the inner walls of the two sealing shells 101 are tightly attached to the two first sealing rings 202 and the two second sealing rings 302, so that the left part and the right part of the two sealing shells 101 form a sealing state, then, the connecting pipe 305 is inserted into a round hole formed by the two first connecting grooves 004, the third rubber ring 306 is clamped into the limiting groove 005, the upper connecting pipe 305 is communicated with the first oil guide groove 003 through the upper first connecting groove 004, the lower connecting pipe 305 is communicated with the second oil guide groove 007 through the lower first connecting groove 004, the first oil guide groove 003 and the second oil guide groove 007 are both communicated with a second sealing groove 012 on the second sealing disc 301 through a second connecting groove 006, the left part of the first oil guide groove 003 is communicated with a second sealing groove 012 on the first sealing disc 201, and the second oil guide groove 007 is communicated with the second sealing groove 012 on the first sealing disc 201 through the third connecting groove 008;
in use, when the first cooling tube 106 is externally connected with a cooling liquid circulation device through a conduit, so that cooling liquid circularly flows in the first cooling tube 106, the second cooling tube 303 is externally connected with a cooling oil circulation device through a conduit, so that cooling oil is input through a port above the second cooling tube 303 and output through a port below the second cooling tube 303, and when cooling oil is input through a port above the second cooling tube 303, the cooling oil simultaneously flows into the first oil guide groove 003 through the hose 304 and the connecting tube 305, flows into the second sealing groove 012 on the first sealing disk 201 through the first oil guide groove 003, flows into the arc-shaped groove 009 through the sixth connecting groove 014, flows into the first sealing groove 011 through the arc-shaped groove 009, flows into the second oil guide groove 007 through the third 008, and when cooling oil is output through a port below the second cooling tube 303, the cooling oil in the second oil guide groove 007 is output through the hose 304 and the connecting pipe 305 below, and continuously circulates in the first oil guide groove 003, the first connecting groove 004, the limiting groove 005, the second connecting groove 006, the second oil guide groove 007, the third connecting groove 008, the arc-shaped groove 009, the first sealing groove 011, the second sealing groove 012 and the fifth connecting groove 013 through the cooling oil, so that a second seal is formed through the cooling oil, and the sealing effect is further ensured;
when the explosion-proof motor 002 operates, the output shaft of the explosion-proof motor 002 drives the sealing tube 204 to rotate in the first sealing disc 201, the heat generated at the rear fan cover of the explosion-proof motor 002 is absorbed and carried out by the circulating cooling oil in the second cooling tube 303, at the same time, the fan 309 is started, and the suction force generated by the fan 309 draws the external air into the cavity formed by the casing protective assembly, the output shaft sealing assembly and the heat dissipating assembly through the two dust covers 108, and when the external air passes through the filter plate 110 in the rectangular frame 109, filtering to intercept dust and impurities in the air, blowing out hot air in the cavity by the fan 309, further, heat is dissipated in the cavity, the heat on the shell of the explosion-proof motor 002 is dissipated out of the sealed shell 101 through the heat dissipation plate 107, meanwhile, the cooling liquid circulating in the first cooling pipe 106 is used for cooling the heat dissipation plate 107, so that the heat absorption effect of the heat dissipation plate 107 is ensured, and the heat on the output shaft of the anti-explosion motor 002 is absorbed by the cooling oil in the first sealing groove 011; it should be noted that the filter plate 110 needs to be cleaned regularly, the rectangular frame 109 is pulled out from the dust cover 108 by the pull ring on the rectangular frame 109, and the filter plate 110 is cleaned to ensure the filtering effect of the filter plate 110;
when cooling oil continuously circulates in the first oil guide groove 003, the first connecting groove 004, the limiting groove 005, the second connecting groove 006, the second oil guide groove 007, the third connecting groove 008 and the arc-shaped groove 009, the first seal groove 011, the second seal groove 012 and the fifth connecting groove 013, the cooling oil simultaneously cools and soaks the rubber on the opposite sides of the two seal shells 101, the cooling oil in the first seal groove 011 permeates into the two second rubber rings 206 to lubricate the second rubber rings 206, the abrasion of the output shaft of the explosion-proof motor 002 on the second rubber rings 206 is reduced, the cooling oil in the first seal groove 011 flows to the first rubber ring 205 through the arc-shaped groove 009 and the fourth connecting groove 010 to lubricate the first rubber ring 205, the abrasion of the first rubber ring 205 by the first seal disc 201 is reduced, and the cooling and soaks the first rubber ring 205 are simultaneously protected, thereby avoiding the rubber from being heated and aged too fast, improving the use safety and prolonging the service life.
It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.
Claims (10)
1. A sealing device with a heat dissipation effect for an explosion-proof motor comprises a mounting seat (1) and a machine shell protection component; the front part of the upper side and the rear part of the upper side of the mounting seat (1) are respectively provided with a machine shell protection component for protecting a machine shell of an explosion-proof motor (002); the method is characterized in that: the device also comprises a second cooling pipe (303), an output shaft sealing assembly and a heat dissipation assembly; an output shaft sealing assembly used for sealing an output shaft of an explosion-proof motor (002) is arranged at the left part of the two shell sealing assemblies; a heat dissipation assembly for dissipating heat is arranged at the right part of the two shell sealing assemblies; a second cooling pipe (303) is fixedly connected to the heat dissipation assembly; explosion-proof machine (002) is installed on mount pad (1), covers explosion-proof machine (002)'s casing through two casing protective assembly, and output shaft seal assembly and radiator unit cooperation are sealed two casing protective assembly left sides and right side, and casing protective assembly dispels the heat to explosion-proof machine's (002) casing simultaneously, and radiator unit dispels the heat to explosion-proof machine (002) outside.
2. The sealing device for an explosion-proof motor with a heat dissipation effect as defined in claim 1, wherein: the front machine shell protection component comprises a sealing shell (101), a first handle (102), a first fixing block (103), a second fixing block (104), a wing-shaped bolt (105), a heat dissipation unit and a dustproof unit; the front part of the upper side of the mounting seat (1) is connected with a sealing shell (101); a first handle (102) is fixedly connected to the left part and the right part of the front side of the sealing shell (101); a second fixed block (104) is fixedly connected to the left part of the upper side and the left part of the lower side of the sealing shell (101) respectively; an airfoil bolt (105) is screwed in each of the two second fixing blocks (104); the upper right part and the lower right part of the sealing shell (101) are respectively fixedly connected with a first fixing block (103); the left part of the sealing shell (101) is connected with a heat dissipation unit; the right part of the sealing shell (101) is connected with a dustproof unit; the edge of the upper part of the rear side of the sealing shell (101) is provided with a first oil guide groove (003); a second oil guide groove (007) is formed in the lower edge of the rear side of the sealing shell (101); the right side edge of the upper part and the right side edge of the lower part of the sealing shell (101) are both provided with a first connecting groove (004); two limiting grooves (005) are formed in the two first connecting grooves (004); the upper first connecting groove (004) is communicated with the first oil guide groove (003); the lower first connecting groove (004) is communicated with the second oil guide groove (007); the right side of the upper part and the right side of the lower part of the sealing shell (101) are both provided with a second connecting groove (006); the second connecting groove (006) at the upper part is communicated with the first oil guide groove (003); the lower second connecting groove (006) is communicated with the second oil guide groove (007); the second connecting groove (006) is positioned at the left of the first connecting groove (004); the left side of the lower part of the sealing shell (101) is provided with a third connecting groove (008); the third connecting groove (008) is communicated with the second oil guide groove (007).
3. The sealing device for an explosion-proof motor with a heat dissipation effect as defined in claim 2, wherein: the dustproof unit comprises a dustproof cover (108), a rectangular frame (109) and a filter plate (110); a dust cover (108) is fixedly connected to the right part of the sealing shell (101); a rectangular frame (109) is connected in the dust cover (108) in a sliding way; a filter plate (110) is fixedly connected in the rectangular frame (109).
4. A sealing device for an explosion-proof motor with a heat dissipation effect according to claim 3, wherein: the output shaft sealing assembly comprises a first sealing disc (201), a first sealing ring (202), a second handle (203), a sealing pipe (204), a first rubber ring (205) and a second rubber ring (206); the left parts of the two sealing shells (101) are connected with a first sealing disc (201) in a sliding way; two first sealing rings (202) are sleeved on the outer annular surface of the first sealing disc (201); a second handle (203) is fixedly connected to the front part and the rear part of the left side of the first sealing disc (201); a sealing pipe (204) is rotationally connected in the first sealing disc (201); two first rubber rings (205) are sleeved on the outer ring surface of the sealing pipe (204); two second rubber rings (206) are detachably and fixedly connected to the inner ring surface of the sealing pipe (204); the middle part of the inner wall of the sealing pipe (204) is provided with a first sealing groove (011) for storing cooling oil; the middle part of the sealing pipe (204) is provided with a plurality of arc-shaped grooves (009) for cooling oil to pass through.
5. A sealing device for an explosion-proof motor with a heat dissipation effect as defined in claim 4, wherein: the heat dissipation assembly comprises a second sealing disc (301), a second sealing ring (302), a hose (304), a connecting pipe (305), a third rubber ring (306), a third handle (308) and a ventilation unit; the right parts of the two sealing shells (101) are connected with a second sealing disc (301) in a sliding way; a third handle (308) is fixedly connected to the front part and the rear part of the right side of the second sealing disc (301); the second sealing disc (301) is fixedly connected with the second cooling pipe (303); two second sealing rings (302) are sleeved on the outer annular surface of the second sealing disc (301); the upper side and the lower side of the right part of the second cooling pipe (303) are communicated with a hose (304); the left sides of the two hoses (304) are both communicated with a connecting pipe (305); two third rubber rings (306) are fixedly connected to the outer ring surfaces of the two connecting pipes (305); the connecting pipe (305) and the third rubber ring (306) are both connected with the two sealing shells (101) in a sliding manner; a ventilation unit is connected in the second sealing disk (301).
6. The sealing device for an explosion-proof motor with a heat dissipation effect as defined in claim 5, wherein: the ventilation unit comprises a dust screen (307) and a fan (309); a fan (309) is arranged in the second sealing disc (301); a dust screen (307) is fixedly connected to the right side of the second sealing disc (301).
7. The sealing device for an explosion-proof motor with a heat dissipation effect as defined in claim 4, wherein: the outer annular surface of the sealing pipe (204) is provided with a plurality of fourth connecting grooves (010) communicated with the arc-shaped grooves (009) and used for guiding cooling oil to the first rubber ring (205).
8. A sealing device for an explosion-proof motor with a heat dissipation effect as defined in claim 5, wherein: the outer annular surface of the first seal disk (201) and the outer annular surface of the second seal disk (301) are provided with a second seal groove (012) for the flow of cooling oil.
9. The sealing device for an explosion-proof motor with a heat dissipation effect as defined in claim 4, wherein: a plurality of fifth connecting grooves (013) for cooling oil flowing to the arc-shaped grooves (009) are formed in the first seal disk (201).
10. The sealing device for an explosion-proof motor with a heat dissipation effect as defined in claim 5, wherein: and the outer annular surface of the first sealing disc (201) and the outer annular surface of the second sealing disc (301) are respectively provided with a plurality of sixth connecting grooves (014) communicated with the second sealing groove (012), and the sixth connecting grooves (014) are used for guiding cooling oil to the first sealing ring (202) and the second sealing ring (302).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210933998.5A CN115021465B (en) | 2022-08-04 | 2022-08-04 | Sealing device with heat dissipation effect for explosion-proof motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210933998.5A CN115021465B (en) | 2022-08-04 | 2022-08-04 | Sealing device with heat dissipation effect for explosion-proof motor |
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| CN115021465A true CN115021465A (en) | 2022-09-06 |
| CN115021465B CN115021465B (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210933998.5A Active CN115021465B (en) | 2022-08-04 | 2022-08-04 | Sealing device with heat dissipation effect for explosion-proof motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154997A (en) * | 2023-11-01 | 2023-12-01 | 上海申传电气股份有限公司 | Explosion-proof motor for underground coal mine environment |
| CN117791933A (en) * | 2024-02-23 | 2024-03-29 | 普利莱（天津）燃气设备有限公司 | Explosion-proof motor for natural gas odorizing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111564924A (en) * | 2020-05-21 | 2020-08-21 | 无锡科技职业学院 | Explosion-proof motor heat radiation structure |
| CN113285551A (en) * | 2021-05-31 | 2021-08-20 | 中擎电机有限公司 | Explosion-proof sealing device for dust explosion-proof motor |
| CN114157073A (en) * | 2021-09-09 | 2022-03-08 | 荣成市亿能电机有限公司 | Noise-reduction type heat-dissipation explosion-proof motor |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564924A (en) * | 2020-05-21 | 2020-08-21 | 无锡科技职业学院 | Explosion-proof motor heat radiation structure |
| CN113285551A (en) * | 2021-05-31 | 2021-08-20 | 中擎电机有限公司 | Explosion-proof sealing device for dust explosion-proof motor |
| CN114157073A (en) * | 2021-09-09 | 2022-03-08 | 荣成市亿能电机有限公司 | Noise-reduction type heat-dissipation explosion-proof motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117154997A (en) * | 2023-11-01 | 2023-12-01 | 上海申传电气股份有限公司 | Explosion-proof motor for underground coal mine environment |
| CN117154997B (en) * | 2023-11-01 | 2024-01-26 | 上海申传电气股份有限公司 | Explosion-proof motor for underground coal mine environment |
| CN117791933A (en) * | 2024-02-23 | 2024-03-29 | 普利莱（天津）燃气设备有限公司 | Explosion-proof motor for natural gas odorizing system |
| CN117791933B (en) * | 2024-02-23 | 2024-05-10 | 普利莱（天津）燃气设备有限公司 | Explosion-proof motor for natural gas odorizing system |
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|---|---|
| CN115021465B (en) | 2022-10-28 |
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