CN217984827U - Explosion-proof speed regulator with dustproof construction - Google Patents
Explosion-proof speed regulator with dustproof construction Download PDFInfo
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- CN217984827U CN217984827U CN202221621114.4U CN202221621114U CN217984827U CN 217984827 U CN217984827 U CN 217984827U CN 202221621114 U CN202221621114 U CN 202221621114U CN 217984827 U CN217984827 U CN 217984827U
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Abstract
The utility model belongs to the technical field of permanent magnetism coupling transmission technique and specifically relates to an explosion-proof speed regulator with dustproof construction. The utility model discloses an explosion-proof speed regulator with dustproof construction sets up a plurality of vents that communicate with the inside of heat dissipation casing through on the frame roof, the inside of heat dissipation casing sets up centrifugal fan and many inside hollow cooling tubes, first motor drive centrifugal fan, the air of permanent magnet speed regulator body inside gets into heat dissipation casing and cooling tube heat exchange fast under the effect of centrifugal force, the external air flows through and takes away the heat from the well kenozooecium of cooling tube, the external air is not communicated with the inside of permanent magnet speed regulator body, possess high leakproofness when making the heat dissipation of permanent magnet speed regulator; the bearing isolator prevents dust from entering the interior from a gap between the rotating shaft and the bearing outer cover, and improves the sealing property; first dustproof sealed pad, first O type sealing washer, second O type sealing washer and the sealed pad of second dustproof, prevent that the dust from getting into inside from the assembly department of structure, further promote the leakproofness.
Description
Technical Field
The utility model belongs to the technical field of permanent magnetism coupling transmission technique and specifically relates to an explosion-proof speed regulator with dustproof construction.
Background
The winding type permanent magnet speed regulator is a non-contact permanent magnet transmission device, and is mounted between a motor and a load, and is composed of a permanent magnet rotor, a winding rotor and a control system, and can realize the functions of speed regulation, clutching, soft starting and the like by controlling the magnitude of induced current in a winding, and can convert slip power into electric energy to be led out to a feed cabinet for reuse.
Because the inner rotor and the outer rotor can generate high temperature when the permanent magnet speed regulator continuously works in the operation process, in the utility model discloses a double-rotor winding type permanent magnet speed regulator heat dissipation structure (application number: CN 202020855945.2), a heat dissipation top box for dissipating hot air is arranged at the top end of a case body, a plurality of heat dissipation shutters are arranged on the front wall of the case body, and a cold air inlet is arranged on a hard-link pin insertion hole blind plate.
And in utility model a dustproof construction for permanent magnet speed regulator (application number: CN 202023346095.2) in drive the flabellum through the motor and rotate, external gas enters into the filter box under the rotation of flabellum, first filter screen filters gas, gas after the filtration enters into the dust proof incasement portion under the effect of flabellum, gas is carrying the heat that permanent magnet speed regulator produced and is discharged from the blast pipe, this structure mainly filters external gas through first filter screen, the dust removal effect is limited, the pivot department of permanent magnet speed regulator does not do dustproof processing yet simultaneously, when external dust is many especially is used for the dust operation place, can not effectively prevent inside small dust gets into permanent magnet speed regulator, the leakproofness is not high, still need frequently to change first filter screen simultaneously, the suitability is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems existing in the background technology, the explosion-proof speed regulator with the dustproof structure is provided, and the problem of sealing performance of the permanent magnet speed regulator during heat dissipation is solved.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an explosion-proof speed regulator with dustproof construction, includes permanent magnet speed regulator body and pivot, the top of permanent magnet speed regulator body is provided with the frame roof, the upper surface bolted connection of frame roof has the heat dissipation casing, set up a plurality of and the vent of the inside intercommunication of heat dissipation casing on the frame roof, the inside of heat dissipation casing is provided with centrifugal fan and many inside hollow cooling tubes, the outside of heat dissipation casing is provided with the first motor of drive centrifugal fan, the both ends of cooling tube run through the curb plate that the heat dissipation casing corresponds the position and with curb plate sealing connection.
One side of the radiating shell provided with the radiating pipe is provided with an air guide cavity, and the air guide cavity is connected with an axial flow air supply fan driven by a second motor through bolts.
The heat dissipation shell is connected with a machine base top plate through a flange connecting seat arranged at the bottom through a bolt, and a first dustproof sealing gasket matched with the ventilation opening is arranged between the flange connecting seat and the machine base top plate.
The permanent magnet speed regulator is characterized in that end covers are arranged on two sides of the permanent magnet speed regulator body, a bearing is fixedly sleeved on the rotating shaft, a bearing outer cover is arranged on the outer side of the bearing, and a bearing isolator in sealing and rotating fit with the rotating shaft is arranged on the bearing outer cover.
The bearing isolator comprises a static ring and a moving ring, a groove matched with the static ring is formed in the outer side face of the bearing outer cover, a static ring sealing ring is arranged in the outer annular face of the static ring, the static ring is installed on the bearing outer cover in an interference sealing mode through the static ring sealing ring, the moving ring is located on the outer side of the static ring and connected with the static ring in a sleeved mode, a first moving ring driving sealing ring and a second moving ring driving sealing ring are sequentially arranged in the inner annular face of the moving ring, and the moving ring is installed on the rotating shaft in an interference sealing mode through the first moving ring driving sealing ring and the second moving ring driving sealing ring.
The inboard of bearing is provided with the bearing inner cup, synthetic holding tank is enclosed on the upper portion of bearing enclosing cover and the upper portion of bearing inner cup, the both sides of holding tank all are provided with first O type sealing washer, the lower extreme and the holding tank joint of end cover, the bolt fixed connection of bearing enclosing cover, end cover and bearing inner cup through horizontal setting.
The improved motor base is characterized in that a base end plate is arranged between the base top plate and the upper end of the end cover, the upper end of the end cover is connected with the base end plate through a bolt, and a second O-shaped sealing ring is arranged in the contact surface of the upper end of the end cover and the base end plate.
And a second dustproof sealing gasket is arranged at the contact surface of the first motor and the heat dissipation shell.
The beneficial effects of the utility model are that:
(1) The utility model discloses an explosion-proof speed regulator with dustproof construction sets up a plurality of vents that communicate with the inside of heat dissipation casing through on the frame roof, the inside of heat dissipation casing sets up centrifugal fan and many inside hollow cooling tubes, first motor drive centrifugal fan, the air of permanent magnet speed regulator body inside passes through the vent under the effect of centrifugal force and gets into heat dissipation casing fast and heat exchange with the cooling tube, the heat is flowed through and taken away from the well kenozooecium of cooling tube to the outside air, outside air and permanent magnet speed regulator body are inside not to communicate, possess high leakproofness when making the heat dissipation of permanent magnet speed regulator;
(2) The bearing isolator is arranged on the outer bearing cover and is in sealed rotating fit with the rotating shaft, and dust is prevented from entering the bearing isolator from a gap between the rotating shaft and the outer bearing cover, so that the sealing property is improved;
(3) First dustproof sealed pad, first O type sealing washer, second O type sealing washer and the sealed pad of second dustproof sealing prevent that the dust from getting into inside from the assembly department of structure, further promote the leakproofness.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention.
Fig. 4 is an assembly cross-sectional view of the middle rotating shaft, the bearing isolator and the bearing outer cover of the present invention.
Fig. 5 is a partially enlarged schematic view of the utility model at B in fig. 1.
In the figure, 1, a permanent magnet speed regulator body, 2, a rotating shaft, 3, a machine base top plate, 4, a heat dissipation shell, 5, a ventilation opening, 6, a centrifugal fan, 7, a heat dissipation pipe, 8, a first motor, 9, an air guide chamber, 10, a second motor, 11, an axial flow air supply fan, 12, a flange connecting base, 13, a first dustproof sealing gasket, 14, an end cover, 15, a bearing, 16, a bearing outer cover, 17, a bearing isolator, 18, a static ring, 19, a dynamic ring, 20, a static ring sealing ring, 21, a first dynamic ring driving sealing ring, 22, a second dynamic ring driving sealing ring, 23, a bearing inner cover, 24, a containing groove, 25, a first O-shaped sealing ring, 26, a machine base end plate, 27, a second O-shaped sealing ring and 28, second dustproof sealing gasket are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
Fig. 1, fig. 2, fig. 3, an explosion-proof speed regulator with dustproof construction that fig. 4 and fig. 5 show, including permanent magnet speed regulator body 1 and pivot 2, the top of permanent magnet speed regulator body 1 is provided with frame roof 3, the last surface bolted connection of frame roof 3 has heat dissipation casing 4, set up a plurality of vents 5 with the inside intercommunication of heat dissipation casing 4 on the frame roof 3, the inside of heat dissipation casing 4 is provided with centrifugal fan 6 and many inside hollow cooling tubes 7, the outside of heat dissipation casing 4 is provided with the first motor 8 that drives centrifugal fan 6, the both ends of cooling tube 7 run through the curb plate of heat dissipation casing 4 corresponding position and with curb plate sealing connection, first motor 8 drives centrifugal fan 6 and rotates, the inside air of permanent magnet speed regulator body 1 gets into heat dissipation casing 4 through vent 5 fast under the effect of centrifugal force and exchanges the heat with cooling tube 7, the hollow portion of outside air from cooling tube 7 is flowed through and is taken away the heat, outside air does not communicate with the inside of permanent magnet speed regulator body 1, this structure makes the heat dissipation possess high leakproofness when the permanent magnet speed regulator.
As shown in fig. 1, a plurality of mounting holes matched with the heat dissipation pipes 7 are symmetrically formed on two side plates of the heat dissipation casing 4, and the heat dissipation pipes 7 are made of aluminum alloy pipes with good heat conductivity or steel pipes with high cost performance. The radiating pipe 7 penetrates through the mounting plate on one side of the radiating shell 4 and then penetrates through the mounting hole of the opposite surface after penetrating through the inside of the radiating shell 4, in order to ensure the sealing property, the full-welding treatment can be carried out on the abutted seam between the radiating pipe 7 and the mounting hole, and the sealing treatment can also be carried out on the abutted seam by using industrial sealant.
Further, in order to increase the speed of the external air entering the hollow part of the heat dissipation pipe 7 and improve the heat dissipation efficiency of the permanent magnet speed regulator, an air guide chamber 9 is arranged on one side of the heat dissipation shell 4 where the heat dissipation pipe 7 is installed, and an axial flow air supply fan 11 driven by a second motor 10 is bolted on the air guide chamber 9.
As shown in fig. 2, the second motor 10 is started, the second motor 10 drives the axial flow fan 11 to rotate, and the external air is continuously sent into the air guide cavity 9, in order to ensure the sealing effect, the top plate of the air guide cavity 9 and the top plate of the heat dissipation housing 4 are of an integrated structure, the lower bottom plate and the front and rear side plates of the air guide cavity 9 are all welded with the side plates of the heat dissipation housing 4 in a full welding manner, and after the external air enters the air guide cavity 9, the axial flow enters from the hollow part of the heat dissipation tube 7, and finally the external air is discharged from the other end of the heat dissipation tube 7.
Further, in order to ensure the leakproofness between heat dissipation casing 4 and frame roof 3, heat dissipation casing 4 is through flange joint seat 12 and the 3 bolted connection of frame roof that the bottom set up, be provided with between flange joint seat 12 and the frame roof 3 with the 5 assorted of vent first dustproof sealing gasket 13, for the convenience of installation, can set up in advance on first dustproof sealing gasket 13 with flange joint seat 12 and with frame roof 3 assorted join in marriage the dress hole, avoid the skew of first dustproof sealing gasket 13 in the installation, influence sealed effect.
Further, in order to ensure the sealing performance of the rotating positions of the two ends of the rotating shaft 2 and the bearing outer covers 16 corresponding to the rotating positions, the two sides of the permanent magnet speed regulator body 1 are respectively provided with the end covers 14, the rotating shaft 2 is fixedly sleeved with the bearings 15, the outer sides of the bearings 15 are provided with the bearing outer covers 16, the bearing outer covers 16 are provided with bearing isolators 17 which are in sealing and rotating fit with the rotating shaft 2, and the bearing isolators 17 can effectively prevent dust from entering the inside of the permanent magnet speed regulator body 1 from the rotating positions.
Further, in order to ensure the sealing performance of the two ends of the rotating shaft 2 and the rotating part of the bearing outer cover 16 corresponding to the corresponding position, the bearing isolator 17 comprises a stationary ring 18 and a moving ring 19, a groove matched with the stationary ring 18 is formed in the outer side surface of the bearing outer cover 16, a stationary ring sealing ring 20 is arranged in the outer annular surface of the stationary ring 18, the stationary ring 18 is in interference sealing installation with the bearing outer cover 16 through the stationary ring sealing ring 20, the moving ring 19 is located on the outer side of the stationary ring 18 and is connected with the stationary ring 18 in a sleeved mode, a first moving ring driving sealing ring 21 and a second moving ring driving sealing ring 22 are sequentially arranged in the inner annular surface of the moving ring 19, and the moving ring 19 is in interference sealing installation with the rotating shaft 2 through the first moving ring driving sealing ring 21 and the second moving ring driving sealing ring 22.
The lubricating oil is coated on the static ring sealing ring 20 of the bearing isolator 17, as shown in fig. 4, the bearing isolator 17 and the groove of the bearing outer cover 16 are aligned, the bearing isolator 17 and the groove of the bearing outer cover 16 are mounted by a hand-press machine, it is ensured that the bearing isolator 17 and the groove of the bearing outer cover 16 are completely pressed in place, a gap is left between the inner annular surfaces of the static ring 18 and the moving ring 19 and the outer annular surface of the rotating shaft 2 after mounting, and the first moving ring driving sealing ring 21 and the second moving ring driving sealing ring 22 are mounted on the rotating shaft 2 in an interference manner, so that not only the moving ring 19 is driven to rotate, but also a sealing effect can be achieved.
It should be noted that after the bearing isolator 17 is installed, the rotating shaft 2 is rotated by hand, the movable ring 19 rotates therewith, and whether the movable ring 19 swings right or not is observed, if the movable ring swings, the bearing isolator 17 is not completely sealed, or whether the stationary ring seal ring 20, the first movable ring drive seal ring 21 and the second movable ring drive seal ring 22 are damaged or not needs to be adjusted.
Further, in order to ensure the sealing performance of the assembling position of the end cover 14, a bearing inner cover 23 is arranged on the inner side of the bearing 2, an accommodating groove 24 is defined by the upper portion of the bearing outer cover 16 and the upper portion of the bearing inner cover 23, first O-shaped sealing rings 25 are arranged on two sides of the accommodating groove 24, the lower end of the end cover 14 is clamped with the accommodating groove 24, and the bearing outer cover 16, the end cover 14 and the bearing inner cover 23 are fixedly connected through transversely arranged bolts.
Further, in order to ensure the sealing performance of the assembling position of the end cover 14, a base end plate 26 is arranged between the base top plate 3 and the upper end of the end cover 14, the upper end of the end cover 14 is connected with the base end plate 26 through bolts, and a second O-shaped sealing ring 27 is arranged in the contact surface between the upper end of the end cover 14 and the base end plate 26.
Further, in order to ensure the sealing performance between the first motor 8 and the heat dissipation housing 4, a second dustproof sealing gasket 28 is disposed at the contact surface between the first motor 8 and the heat dissipation housing 4.
The utility model discloses an explosion-proof speed regulator with dustproof construction sets up a plurality of vents that communicate with the inside of heat dissipation casing through on the frame roof, the inside of heat dissipation casing sets up centrifugal fan and many inside hollow cooling tubes, first motor drive centrifugal fan, the air of permanent magnet speed regulator body inside passes through the vent under the effect of centrifugal force and gets into heat dissipation casing fast and heat exchange with the cooling tube, the heat is flowed through and taken away from the well kenozooecium of cooling tube to the outside air, outside air and permanent magnet speed regulator body are inside not to communicate, possess high leakproofness when making the heat dissipation of permanent magnet speed regulator; the bearing isolator is arranged on the outer bearing cover and is in sealed rotating fit with the rotating shaft, and dust is prevented from entering the bearing isolator from a gap between the rotating shaft and the outer bearing cover, so that the sealing property is improved; first dustproof sealed pad, first O type sealing washer, second O type sealing washer and the sealed pad of second dustproof, prevent that the dust from getting into inside from the assembly department of structure, further promote the leakproofness.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides an explosion-proof speed regulator with dustproof construction which characterized in that: including permanent magnet speed regulator body (1) and pivot (2), the top of permanent magnet speed regulator body (1) is provided with frame roof (3), the upper surface bolted connection of frame roof (3) has heat dissipation casing (4), set up vent (5) of a plurality of and heat dissipation casing (4) inside intercommunication on frame roof (3), the inside of heat dissipation casing (4) is provided with centrifugal fan (6) and many inside hollow cooling tubes (7), the outside of heat dissipation casing (4) is provided with first motor (8) of drive centrifugal fan (6), the both ends of cooling tube (7) run through the curb plate that heat dissipation casing (4) correspond the position and with curb plate sealing connection.
2. The explosion-proof speed governor with the dustproof structure as claimed in claim 1, wherein: one side of the radiating shell (4) provided with the radiating pipe (7) is provided with an air guide cavity (9), and the air guide cavity (9) is connected with an axial flow air supply fan (11) driven by a second motor (10) through bolts.
3. The explosion-proof governor with a dustproof structure as set forth in claim 1, wherein: the heat dissipation shell (4) is connected with the machine base top plate (3) through a flange connecting seat (12) arranged at the bottom in a bolt mode, and a first dustproof sealing gasket (13) matched with the ventilation opening (5) is arranged between the flange connecting seat (12) and the machine base top plate (3).
4. The explosion-proof speed governor with the dustproof structure as claimed in claim 1, wherein: both sides of permanent magnet speed regulator body (1) all are provided with end cover (14), cup joint on pivot (2) and be fixed with bearing (15), the outside of bearing (15) is provided with bearing enclosing cover (16), be provided with on bearing enclosing cover (16) with pivot (2) sealed normal running fit's bearing isolator (17).
5. The explosion-proof governor with a dustproof structure according to claim 4, wherein: the bearing isolator (17) comprises a static ring (18) and a moving ring (19), a groove matched with the static ring (18) is formed in the outer side surface of the bearing outer cover (16), a static ring sealing ring (20) is arranged in the outer ring surface of the static ring (18), the static ring (18) is in interference seal installation with the bearing outer cover (16) through the static ring sealing ring (20), the moving ring (19) is located on the outer side of the static ring (18) and is connected with the static ring (18) in a sleeved mode, a first moving ring driving sealing ring (21) and a second moving ring driving sealing ring (22) are sequentially arranged in the inner ring surface of the moving ring (19), and the moving ring (19) is in interference seal installation with the rotating shaft (2) through the first moving ring driving sealing ring (21) and the second moving ring driving sealing ring (22).
6. The explosion-proof governor with a dustproof structure according to claim 4, wherein: the inboard of bearing (15) is provided with bearing inner cup (23), synthetic holding tank (24) is enclosed with the upper portion of bearing inner cup (23) in the upper portion of bearing enclosing cover (16), the both sides of holding tank (24) all are provided with first O type sealing washer (25), the lower extreme and holding tank (24) joint of end cover (14), the bolt fixed connection of bearing enclosing cover (16), end cover (14) and bearing inner cup (23) through horizontal setting.
7. The explosion-proof governor with a dustproof structure as set forth in claim 4, wherein: be provided with frame end plate (26) between frame roof (3) and end cover (14) upper end, end cover (14) upper end and frame end plate (26) bolted connection, the contact surface department of end cover (14) upper end and frame end plate (26) embeds there is second O type sealing washer (27).
8. The explosion-proof governor with a dustproof structure as set forth in claim 1, wherein: and a second dustproof sealing gasket (28) is arranged at the contact surface of the first motor (8) and the heat dissipation shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221621114.4U CN217984827U (en) | 2022-06-27 | 2022-06-27 | Explosion-proof speed regulator with dustproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221621114.4U CN217984827U (en) | 2022-06-27 | 2022-06-27 | Explosion-proof speed regulator with dustproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217984827U true CN217984827U (en) | 2022-12-06 |
Family
ID=84273877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221621114.4U Active CN217984827U (en) | 2022-06-27 | 2022-06-27 | Explosion-proof speed regulator with dustproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217984827U (en) |
-
2022
- 2022-06-27 CN CN202221621114.4U patent/CN217984827U/en active Active
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