CN217720923U

CN217720923U - Stator and rotor heat dissipation assembly based on interactive staggered tooth structure

Info

Publication number: CN217720923U
Application number: CN202221879312.0U
Authority: CN
Inventors: 陈斌
Original assignee: Zhejiang Yizhou Stamping Co ltd
Current assignee: Zhejiang Yizhou Stamping Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-01
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a decide rotor radiator unit based on interactive wrong tooth structure, which comprises an outer shell, be equipped with the connection cylinder in the shell, the interior equipment of connection cylinder is equipped with connection bearing, be equipped with the inner stator on connecting cylindrical arc profile, the inner wall of shell is equipped with the external rotor that is in on the inner stator arc profile, one side that connection bearing was kept away from to the shell is equipped with heat abstractor, and heat abstractor is including seting up the connection bearing on the shell tip, keep away from one side fixedly connected with support column of connection bearing on the shell, it is connected with the rotation cover to limit for rotation on the horizontal segment that is close to the top on the support column, fixedly connected with carries out the sheltering from of sealed sheltering from to connection bearing on the arc profile of rotation cover. The utility model discloses, use through the cooperation between the above-mentioned structure, solved in the in-service use, because and the tradition decides the rotor subassembly and adopts single conduction formula heat dissipation more, the heat-sinking capability is limited, brings inconvenient problem for the use.

Description

Stator and rotor heat dissipation assembly based on interactive staggered tooth structure

Technical Field

The utility model relates to a radiator unit technical field specifically is a decide rotor radiator unit based on interactive staggered teeth structure.

Background

The high-capacity steam turbine generator is one of the main devices of the traditional thermal power station and the new generation nuclear power station, and the further improvement of the efficiency and the capacity of the high-capacity steam turbine generator mainly depends on the high efficiency and the high reliability of a ventilation cooling system.

The sizes of all stator teeth and all rotor teeth of the existing generator are the same, so that ventilation and heat dissipation in the stator teeth and the rotor teeth are not facilitated, heat gathered at the stator and the rotor caused by electromagnetic loss of the generator cannot be dissipated in time, the safe and stable operation capacity of the large-scale turbonator cannot be improved, and the electrical and mechanical service life of the turbonator is seriously influenced, so that a Chinese patent (the name of the patent No. CN 205429901U: an interactive staggered tooth structure of a turbonator stator and a rotor which is beneficial to heat dissipation) is provided for people;

the long stator teeth and the short stator teeth and the long rotor teeth and the short rotor teeth are axially and alternately arranged, the long rotor teeth are positioned below the short stator teeth along the radial direction, the short rotor teeth are positioned below the long stator teeth along the radial direction, and the lower ends of the long stator teeth are inserted into the sectional slot wedges to press the stator winding. The utility model provides the high safety and stability nature and the life of generator.

However, the stator and rotor interactive staggered tooth structure still has the problem of insufficient heat dissipation capability, and the conventional stator and rotor assembly mostly adopts single conduction type heat dissipation (patent number CN 215733814U: a speed reduction motor stator and rotor assembly), so that the heat dissipation capability is limited, and inconvenience is brought to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a decide rotor radiator unit based on interactive staggered teeth structure possesses the initiative heat dissipation and carries out filterable advantage to the air flow among the heat dissipation process, has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a stator and rotor heat dissipation assembly based on an interactive staggered tooth structure comprises a shell, wherein a connecting cylinder is arranged in the shell, a connecting bearing is assembled in the connecting cylinder, an inner stator is arranged on an arc contour of the connecting cylinder, an outer rotor positioned on the arc contour of the inner stator is arranged on the inner wall of the shell, and a heat dissipation device is arranged on one side, away from the connecting bearing, of the shell.

The heat dissipation device comprises a connecting bearing arranged on the end portion of a shell, a supporting column fixedly connected with one side of the shell, away from the connecting bearing, is connected with a rotating sleeve in a limiting and rotating mode on a horizontal section close to the top of the supporting column, and a shielding plate which is used for sealing and shielding the connecting bearing is fixedly connected to the arc profile of the rotating sleeve.

Preferably, the shielding plate is provided with a trigger device for sensing the temperature in the housing and timely triggering a heat dissipation effect, the trigger device comprises a heat conduction sleeve arranged on one side of the connection cylinder away from the connection bearing, the top of the heat conduction sleeve is fixedly connected with the top of the inner wall of the housing, the inner wall of the heat conduction sleeve is axially and slidably connected with a heat conduction lifting plate in a limiting manner, the bottom of the circle center of the lower surface of the heat conduction lifting plate is fixedly connected with a memory alloy rod arranged on the inner wall of the heat conduction sleeve, the circle center of the upper surface of the heat conduction lifting plate is fixedly connected with a heat conduction column, the top of the heat conduction column is fixedly connected with a transmission support, and the top of the transmission support penetrates through the connection bearing and is movably connected with the lower surface of the shielding plate.

Preferably, be equipped with on the shielding plate and carry out filterable auxiliary device to the connection bearing after opening, auxiliary device is including setting up at the top of shell inner wall and the spacing gliding horizontal push rod of the shell upper level, one side fixedly connected with towards the vertical central line of shell carries out filterable filter to the air through connection bearing on the horizontal push rod, the top of shell is run through and the spacing sliding connection of axial has the lifter, the bottom of lifter is connected with the rotor arm through the round pin hub rotation, the bottom of rotor arm is connected through the round pin hub rotation with the last one side of keeping away from the filter of horizontal push rod.

Preferably, the lower surface of the shielding plate is fixedly connected with a tension spring, and the bottom of the tension spring is fixedly connected with the top of the shell.

Preferably, the memory alloy rod is a spiral memory alloy rod, and the memory alloy rod is made of titanium-nickel alloy.

Preferably, the transmission support is a V-shaped support, and the top of the transmission support is an arc-shaped surface.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model supports, protects and seals the device body through the shell; the connecting bearing is driven to rotate on the shell through the connecting cylinder, the shielding plate is driven to rotate through rotating the rotating sleeve on the supporting column, and then sealing of the connecting bearing can be removed, so that air in the shell can be communicated with outside air, heat inside the shell can be transferred, and then the heat dissipation effect is achieved.

2. The utility model can sense the temperature in the shell in time through the arrangement of the trigger device, and trigger and guide the baffle plate to remove the sealing of the connecting bearing in time; through the setting of auxiliary device, can in time carry out filtering operation to the air through connecting the bearing after the sealed back of removing of connecting the bearing.

3. The utility model discloses a cooperation between the above-mentioned structure is used, has solved in the in-service use, because and the tradition decides the rotor subassembly and adopts single conduction formula heat dissipation more, and heat-sinking capability is limited, brings inconvenient problem for the use.

Drawings

Fig. 1 is a perspective view of the housing of the present invention;

fig. 2 is a cross-sectional view of the housing of the present invention;

FIG. 3 is a cross-sectional view of the present invention in the axial direction of the housing;

fig. 4 is a perspective view of the transmission bracket of the present invention.

In the figure: 1. a housing; 2. an outer rotor; 3. an inner stator; 4. a connecting cylinder; 5. connecting a bearing; 6. a support pillar; 7. rotating the sleeve; 8. a shielding plate; 9. a thermally conductive sleeve; 10. a heat conductive lifter plate; 11. a memory alloy rod; 12. a heat-conducting column; 13. a transmission bracket; 14. a horizontal push rod; 15. a filter plate; 16. a lifting rod; 17. a rotating arm; 18. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

The utility model provides a technical scheme: a stator-rotor heat dissipation assembly based on an interactive staggered tooth structure comprises a shell 1, a device body is supported, protected and sealed through the shell 1, a connecting cylinder 4 is arranged in the shell 1, a connecting bearing 5 is assembled in the connecting cylinder 4, the connecting bearing 5 is driven to rotate on the shell 1 through the connecting cylinder 4, an inner stator 3 is arranged on an arc contour of the connecting cylinder 4, an outer rotor 2 positioned on the arc contour of the inner stator 3 is arranged on the inner wall of the shell 1, and a heat dissipation device is arranged on one side, away from the connecting bearing 5, of the shell 1;

heat abstractor is including seting up the connection bearing 5 on the 1 tip of shell, keep away from one side fixedly connected with support column 6 of connection bearing 5 on the shell 1, spacing rotation is connected with rotating sleeve 7 on the horizontal segment that is close to the top on the support column 6, fixedly connected with seals the shielding plate 8 that shelters from to connection bearing 5 on rotating sleeve 7's the arc profile, drive the rotation of shielding plate 8 through rotating sleeve 7 rotation on support column 6, and then can relieve sealed to connection bearing 5, make the air in the shell 1 can communicate with the outside air, the heat of shell 1 inside can shift, then reach the radiating effect.

Example two

On the basis of the first embodiment, further: the shielding plate 8 is provided with a trigger device for sensing the temperature in the shell 1 and triggering the heat dissipation effect in time, the temperature in the shell 1 can be sensed in time through the trigger device, and the shielding plate 8 is triggered and guided in time to remove the sealing of the connecting bearing 5.

Trigger device keeps away from heat conduction sleeve 9 on connecting bearing 5 one side including setting up at connecting cylinder 4, the top of heat conduction sleeve 9 and the top fixed connection of 1 inner wall of shell, the spacing sliding connection in inner wall axial of heat conduction sleeve 9 has heat conduction lifter plate 10, memory alloy pole 11 on the heat conduction sleeve 9 inner wall is arranged in the centre of a circle department fixedly connected with bottom of heat conduction lifter plate 10 lower surface, the centre of a circle department fixedly connected with heat conduction post 12 of heat conduction lifter plate 10 upper surface, the top fixedly connected with transmission support 13 of heat conduction post 12, the top of transmission support 13 pass connecting bearing 5 and with the lower surface swing joint of shielding plate 8.

Referring to fig. 3, the heat in the housing 1 is accumulated continuously, so that the temperature rises continuously, the memory alloy rod 11 is affected by the temperature, once the phase transition temperature is reached, the memory alloy rod 11 deforms, the phase transition temperature of the memory alloy rod 11 in the scheme is fifty-five degrees centigrade, the heat conduction lifting plate 10, the heat conduction column 12 and the transmission bracket 13 are pushed upwards, the shielding plate 8 actively drives the rotating sleeve 7 to rotate on the supporting column 6, therefore, the sealing of the shielding plate 8 on the connecting bearing 5 is relieved, once the housing 1 is communicated with the outside air, the heat can be transferred freely, daily sealing is helpful for ensuring the clean effect inside the housing 1, and the dust in the air is prevented from contacting and adhering with the grease in the housing 1.

EXAMPLE III

On the basis of the second embodiment, further: be equipped with on the shielding plate 8 and carry out filterable auxiliary device to the connecting bearing 5 after opening, auxiliary device is including setting up at the top of 1 inner wall of shell and the spacing gliding horizontal push rod 14 of level on shell 1, horizontal push rod 14 is gone up one side fixedly connected with towards the vertical central line of shell 1 and is carried out filterable filter 15 to the air through connecting bearing 5, the top of shell 1 is run through and the spacing sliding connection of axial has lifter 16, the bottom of lifter 16 is connected with rotor arm 17 through the round pin hub rotation, the bottom of rotor arm 17 is connected through the round pin hub rotation with one side of keeping away from filter 15 on horizontal push rod 14.

Referring to fig. 3, through the rotation of the shielding plate 8, the surface of the shielding plate can contact with the top of the lifting rod 16 and press down the lifting rod 16, under the rotation fit of the rotating arm 17, the two horizontal push rods 14 can move oppositely with the corresponding filter plates 15, and finally, along with the continuous approach of the two filter plates 15, the connecting bearing 5 is shielded by the two filter plates 15 which are close together, the air entering the shell 1 through the connecting bearing 5 can be filtered, the dust inside the shell 1 is reduced, and the service life is prolonged.

The lower surface of the baffle plate 8 is fixedly connected with a tension spring 18, and the bottom of the tension spring 18 is fixedly connected with the top of the shell 1;

referring to fig. 1 and 3, through the arrangement of the tension spring 18, the shielding plate 8 can be ensured to maintain a sealing effect on the connecting bearing 5 in the daily use process, and the condition that the shielding plate 8 rotates unexpectedly cannot occur.

The memory alloy rod 11 is a spiral memory alloy rod, and the memory alloy rod 11 is made of titanium-nickel alloy;

through the arrangement that the memory alloy rod 11 is a spiral memory alloy rod, the memory alloy rod 11 can generate more pushing distances in the axial direction, the expansion rate of the titanium-nickel alloy is more than 20%, the fatigue life of the titanium-nickel alloy reaches 7 times of 1X 10, the damping characteristic of the titanium-nickel alloy is 10 times higher than that of a common spring, and the titanium-nickel alloy is suitable for the equipment motor in the scheme.

The transmission bracket 13 is a V-shaped bracket, and the top of the transmission bracket 13 is an arc surface

The V-shaped support is arranged through the transmission support 13, so that the transmission support 13 continuously moves upwards, more movement spaces can be provided for the opposite movement of the two filter plates 15, the top of the transmission support 13 is arranged on an arc-shaped surface, the movement resistance of the shielding plate 8 can be reduced, and the movement can be smoother.

The working principle is as follows: when the stator and rotor radiating assembly based on the interactive staggered tooth structure is used, a device body is supported, protected and sealed through the shell 1; drive the rotation of connecting bearing 5 on shell 1 through connecting cylinder 4, drive the rotation of shielding plate 8 through rotating the rotation of cover 7 on support column 6, and then can remove sealed to connecting bearing 5 for the air in the shell 1 can communicate with the outside air, and the inside heat of shell 1 can shift, then reaches the radiating effect.

The utility model can sense the temperature in the shell 1 in time through the arrangement of the trigger device, and trigger and guide the baffle plate 8 to remove the sealing of the connecting bearing 5 in time; through the setting of auxiliary device, can be after the sealed of connecting bearing 5 is relieved, in time carry out the filtration operation to the air through connecting bearing 5.

The utility model discloses a cooperation between the above-mentioned structure is used, has solved in the in-service use, because and the tradition decides the rotor subassembly and adopts single conduction formula heat dissipation more, and heat-sinking capability is limited, brings inconvenient problem for the use.

The standard parts used in the present embodiment can be purchased directly from the market, and the non-standard structural parts described in the specification and drawings can be obtained by processing without any doubt according to the general knowledge of the prior art, and the connection mode of the parts adopts the conventional means mature in the prior art, and the machines, parts and equipment adopt the conventional models in the prior art, so that the detailed description is not given here.

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

Claims

1. A decide rotor radiator unit based on interactive side set structure, includes shell (1), be equipped with in shell (1) and connect cylinder (4), be equipped with connection bearing (5) in the connection cylinder (4), be equipped with inner stator (3) on the arc profile of connection cylinder (4), the inner wall of shell (1) is equipped with external rotor (2) that are in on inner stator (3) arc profile, its characterized in that: a heat dissipation device is arranged on one side, far away from the connecting bearing (5), of the shell (1);

the heat dissipation device comprises a connecting bearing (5) arranged at the end of a shell (1), one side fixedly connected with support columns (6) of the connecting bearing (5) are kept away from the shell (1), the support columns (6) are connected with a rotating sleeve (7) in a limiting rotation mode on a horizontal section close to the top, and a shielding plate (8) which is sealed and shielded on the connecting bearing (5) is fixedly connected with the arc profile of the rotating sleeve (7).

2. The stator and rotor heat dissipation assembly based on the interactive staggered tooth structure as claimed in claim 1, wherein: be equipped with on shielding plate (8) the trigger device who carries out the perception and in time trigger the radiating effect to temperature in shell (1), trigger device is including setting up heat conduction sleeve (9) on connection bearing (5) one side is kept away from in connection cylinder (4), the top of heat conduction sleeve (9) and the top fixed connection of shell (1) inner wall, the spacing sliding connection in inner wall axial of heat conduction sleeve (9) has heat conduction lifter plate (10), memory alloy pole (11) on heat conduction sleeve (9) inner wall are arranged in to the centre of a circle department fixedly connected with bottom of heat conduction lifter plate (10) lower surface, the centre of a circle department fixedly connected with heat conduction post (12) of heat conduction lifter plate (10) upper surface, the top fixedly connected with transmission support (13) of heat conduction post (12), the top of transmission support (13) pass connection bearing (5) and with the lower surface swing joint of shielding plate (8).

3. The stator and rotor heat dissipation assembly based on the interactive staggered tooth structure of claim 2, wherein: be equipped with on shielding plate (8) and carry out filterable auxiliary device to connecting bearing (5) after opening, auxiliary device is including setting up at the top of shell (1) inner wall and on shell (1) horizontal spacing gliding horizontal push rod (14), one side fixedly connected with towards shell (1) vertical center line on horizontal push rod (14) carries out filterable filter (15) to the air through connecting bearing (5), the top of shell (1) is run through and the spacing sliding connection of axial has lifter (16), the bottom of lifter (16) is connected with rotor arm (17) through the round pin axle rotation, the bottom of rotor arm (17) is connected through the round pin axle rotation with one side of keeping away from filter (15) on horizontal push rod (14).

4. The stator and rotor heat dissipation assembly based on the interactive staggered tooth structure of claim 1, wherein: the lower surface of the shielding plate (8) is fixedly connected with a tension spring (18), and the bottom of the tension spring (18) is fixedly connected with the top of the shell (1).

5. The stator and rotor heat dissipation assembly based on the interactive staggered tooth structure of claim 2, wherein: the memory alloy rod (11) is a spiral memory alloy rod, and the memory alloy rod (11) is made of titanium-nickel alloy.

6. The stator and rotor heat dissipation assembly based on the interactive staggered tooth structure of claim 2, wherein: the transmission support (13) is a V-shaped support, and the top of the transmission support (13) is an arc-shaped surface.