CN213461354U

CN213461354U - Motor end cover connected with high-temperature equipment

Info

Publication number: CN213461354U
Application number: CN202020705013.XU
Authority: CN
Inventors: 刘丽丽; 周二涛; 朱元才; 付涛; 张磊; 刘扬松
Original assignee: Hebei Electric Motor Co ltd
Current assignee: Hebei Electric Motor Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-06-15
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a motor end cover connected with high temperature equipment, which comprises an end cover body, a cooling cavity inner sleeve, a cooling cavity outer sleeve and a water channel clapboard; the end cover body is in an oblate cylinder shape, and the middle part of the end cover body is provided with a bearing chamber capable of being provided with a bearing; the inner sleeve of the cooling cavity is hollow and cylindrical, is positioned on the axial outer side of the end cover body and is coaxial with the end cover body; the cooling cavity outer sleeve is arranged at the radial outer side of the cooling cavity inner sleeve; a cavity between the cooling cavity inner sleeve and the cooling cavity outer sleeve forms a cooling cavity; the cooling cavity is divided into two parts by a cavity partition plate along the axial direction, namely an inner side cavity and an outer side cavity; the inner cavity and the outer cavity are respectively provided with a plurality of water channel clapboards; the water channel partition plate is connected between the cooling cavity inner sleeve and the cooling cavity outer sleeve. The utility model has the characteristics of simple structure, the temperature rise at position is connected with high temperature equipment to the effective control motor, effectively blocks high temperature equipment to heat conduction etc. inside the motor.

Description

Motor end cover connected with high-temperature equipment

Technical Field

The utility model relates to a motor end cover, especially a motor end cover of connecting high temperature equipment.

Background

After the motor is connected with the high-temperature corollary equipment, the temperature generated by the high-temperature corollary equipment is higher, and the temperature of a motor bearing is always increased through heat conduction, so that the service life of the motor bearing is reduced sharply, or the bearing is burnt out, and the service life of the motor is influenced. In the conventional technology, generally, the circumferential surface of the end cover body is uniformly provided with heat dissipation fins, and the edge of the right side surface of the end cover body is uniformly provided with mounting holes and heat dissipation holes for heat dissipation. And the motor end cover is small in connection clearance with high-temperature corollary equipment, and the ventilation effect is poor, so that the heat dissipation effect of the scheme is general. Some technicians propose that the water cooling device can be adopted to dissipate heat of the motor connected with the high-temperature equipment, and a water inlet and a water outlet are formed in a rear end cover plate of the motor, so that cooling water circulates on a motor end cover, heat dissipation of the motor end cover is realized, and high temperature is prevented from being transmitted to a motor bearing to cause damage of the motor bearing. However, the water flow direction of the scheme is single, the water temperature of the water inlet end is low, the heat dissipation effect is good, the water temperature of the water outlet end is high, and the heat dissipation effect is poor; this causes uneven heat dissipation and affects the performance of the bearing.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a motor end cover of connection high temperature equipment that dispels the heat evenly.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is:

a motor end cover connected with high-temperature equipment comprises an end cover body, a cooling cavity inner sleeve, a cooling cavity outer sleeve and a water channel partition plate; the end cover body is in an oblate cylinder shape, and the middle part of the end cover body is provided with a bearing chamber capable of being provided with a bearing; the inner sleeve of the cooling cavity is hollow and cylindrical, is positioned on the axial outer side of the end cover body and is coaxial with the end cover body; the cooling cavity outer sleeve is arranged at the radial outer side of the cooling cavity inner sleeve; a cavity between the cooling cavity inner sleeve and the cooling cavity outer sleeve forms a cooling cavity; the cooling cavity is divided into two parts by a cavity partition plate along the axial direction, namely an inner side cavity and an outer side cavity; the inner cavity and the outer cavity are respectively provided with a plurality of water channel clapboards; the water channel partition plate is connected between the cooling cavity inner sleeve and the cooling cavity outer sleeve; the lower part of the end cover body is provided with an inner side water inlet and an inner side water outlet which are adjacently arranged and communicated with the inner side cavity; and the lower part of the cooling cavity outer sleeve is provided with an outer side water inlet and an outer side water outlet which are adjacently arranged and communicated with the outer side cavity.

In the motor end cover connected with the high-temperature equipment, the water channel partition plate in the inner side cavity comprises a long partition plate and a short partition plate; the long partition plate of the inner side cavity is positioned between the inner side water inlet and the inner side water outlet at the lower part of the inner side cavity and partitions the inner side cavity; the short partition plate of the inner side cavity is circumferentially arranged between the inner side water inlet and the inner side water outlet, and gaps are alternately reserved on two axial sides;

the long partition plate of the outer side cavity is positioned between the outer side water inlet and the outer side water outlet at the lower part of the outer side cavity and partitions the outer side cavity; the short partition plate of the outer side cavity is circumferentially arranged between the outer side water inlet and the outer side water outlet, and gaps are alternately reserved on two axial sides.

In the motor end cover connected with the high-temperature equipment, the cavity clapboard is bent in a wavy shape.

the water channel partition plate in the outer side cavity comprises a long partition plate and a short partition plate; the long partition plate of the outer side cavity is positioned between the outer side water inlet and the outer side water outlet at the lower part of the outer side cavity and partitions the outer side cavity; the short partition plate of the outer side cavity is circumferentially arranged between the outer side water inlet and the outer side water outlet, and gaps are alternately reserved on two axial sides.

In the motor end cover connected with the high-temperature equipment, the short partition plate is connected to the wave crest of the cavity partition plate, and the end cover body or the cooling cavity body sleeve opposite to the wave trough.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the cooling cavity is divided into the inner side cavity and the inner side cavity by the cavity partition plate in the axial direction, two strands of cooling water respectively enter the two cavities, and the flow directions of the cooling water in the two cavities are opposite, so that the cooling water at the water inlet end of one cavity can exchange heat with the cooling water at the water outlet end of the other cavity, and the temperature distribution of the cooling water in the two cavities is more uniform; therefore, the phenomenon of uneven heat dissipation can be effectively improved. The utility model has the characteristics of simple structure, good cooling effect, even heat dissipation and the like.

And, the utility model discloses a cavity baffle still is the wavy bending, and the cooling water of outside delivery port fully contacts with the cooling water of inboard water inlet, and the cooling water of inboard water inlet fully contacts with the cooling water of inboard delivery port for the cooling water temperature of cavity baffle both sides is more balanced, thereby more effective promotion heat-sinking capability and radiating homogeneity.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is an expanded view of the cooling water flow direction inside the cooling chamber.

The figure numbers are shown as: 1. cooling the cavity outer sleeve; 2. cooling the inner sleeve of the cavity; 3. cooling the cavity; 4. An end cap body; 5. a high temperature equipment shaft hole; 6. a bearing chamber; 7. a water channel partition plate; 8. an inner water inlet; 9. An inner side water outlet; 10. a cavity partition plate.

Detailed Description

The high-temperature corollary equipment comprises a high-temperature furnace and forging equipment.

Referring to fig. 1, 2 and 3, the present invention includes an end cap body 4, a cooling cavity inner sleeve 2, a cooling cavity outer sleeve 1, a water channel partition plate 7 and a cavity partition plate 10. The end cover body 4 is in a flat cylindrical shape with a through structure, wherein the through structure forms a bearing chamber 6 for fixing a bearing. The bottom surface edge part of the end cover body 4 is also provided with a threaded hole for fixing with a motor. The cooling cavity inner sleeve 2 is hollow and cylindrical, and two ends of the cooling cavity inner sleeve are open, is arranged on one side of the end cover body 4 and is coaxial with the end cover body 4; the hollow structure in the cooling cavity inner sleeve 2 forms a high-temperature equipment shaft hole 5, and the high-temperature equipment shaft hole 5 is used for installing and fixing a shaft of high-temperature equipment. The cooling cavity outer sleeve 1 is arranged on the radial outer side of the cooling cavity inner sleeve 2, and a cooling cavity 3 is formed between the cooling cavity inner sleeve 2 and the cooling cavity outer sleeve 1. The cooling cavity 3 is divided into two parts by a cavity partition plate 10 along the axial direction, and the two parts are an inner side cavity and an outer side cavity. The outer water inlet and the outer water outlet of the outer cavity are adjacently arranged at the lower end of the cooling cavity outer sleeve 1 and are communicated with the outer cavity; the water channel clapboard 7 is connected between the cooling cavity inner sleeve 2 and the cooling cavity outer sleeve 1. The water channel partition plate in the outer side cavity comprises a long partition plate and a short partition plate; the long partition plate in the outer side cavity is arranged on the lower portion of the outer side cavity and located between the outer side water inlet and the outer side water outlet, and the outer side cavity between the outer side water inlet and the outer side water outlet is separated into two parts, so that cooling water is prevented from directly flowing out of the outer side water outlet after entering from the outer side water inlet, and therefore the cooling water can flow through the whole cavity of the outer side cavity in the circumferential direction. The short partition plates in the outer side cavity are circumferentially arranged between the outer side water inlet and the outer side water outlet, and gaps are alternately reserved on two axial sides, namely, gaps are alternately reserved between the short partition plates and the cavity partition plates 10 and between the short partition plates and the cooling cavity outer sleeve 1. The inner water inlet 8 and the inner water outlet 9 of the inner cavity are adjacently arranged at the lower end of the end cover body 4 and communicated with the inner cavity; a water channel clapboard 7 is connected between the cooling cavity inner sleeve 2 and the cooling cavity outer sleeve 1. The water channel clapboard 7 of the inner side cavity comprises a long clapboard and a short clapboard; the long partition plate in the inner side cavity is arranged on the lower portion of the outer side cavity and located between the inner side water inlet 8 and the inner side water outlet 9, and the inner side cavity between the inner side water inlet 8 and the inner side water outlet 9 is partitioned into two parts, so that cooling water is prevented from directly flowing out of the inner side water outlet 9 after entering from the inner side water inlet 8, and therefore the cooling water can flow through the whole cavity of the outer side cavity in the circumferential direction. The short partition plates in the inner side cavity are circumferentially arranged between the inner side water inlet 8 and the inner side water outlet 9, and gaps are alternately reserved on two axial sides, namely, gaps are alternately reserved between the short partition plates and the cavity partition plates 10 and the end cover body 4. The cavity clapboard 10 is bent in a wavy shape; the short partition plate is connected to the wave crest of the cavity partition plate 10, and a gap is reserved between the short partition plate and the end cover body 4 or the cooling cavity jacket 1; the short partition plates are connected to the end cover body 4 or the cooling cavity jacket 1 opposite to the wave troughs, and gaps are reserved between the short partition plates and the cavity partition plates 10. After adopting above-mentioned structure, the cooling water of outside delivery port fully contacts with the cooling water of inboard water inlet, and the cooling water of inboard water inlet fully contacts with the cooling water of inboard delivery port, balances the difference in temperature of cavity baffle 10 both sides cooling water.

The utility model discloses in the course of the work, at the outside chamber, the cooling water gets into the outside chamber from the outside water inlet, and the cooling water passes in the space that short baffle and axial both sides left in turn, finally flows from the outside delivery port. In this process, the cooling water absorbs heat from the shaft of the high temperature equipment.

In the inner cavity, cooling water enters the cooling cavity 3 from the inner water inlet 8, alternately passes through gaps reserved on the short partition plates and the two axial sides, and finally goes out from the inner water outlet 9. In this process, the cooling water absorbs heat conducted by the shaft of the high temperature device to the end cap.

In the two processes, the temperature difference between the water inlet and the water outlet at the outer side is large, so that the heat dissipation of the shaft of the high-temperature equipment nearby the water outlet at the outer side is not timely, and the local temperature rise of the bearing is easy to cause too fast. The inboard water inlet in inboard chamber and the setting position of inboard delivery port are opposite with outside water inlet and outside delivery port, through the wavy crooked design of cavity baffle 10, can be so that the cooling water of outside delivery port and the cooling water of inboard water inlet fully contact, and the cooling water of inboard water inlet fully contacts with the cooling water of inboard delivery port, realizes the balanced cooling water difference in temperature, finally realizes evenly dispelling the heat.

Claims

1. The utility model provides a connect motor end cover of high temperature equipment which characterized in that: comprises an end cover body (4), a cooling cavity inner sleeve (2), a cooling cavity outer sleeve (1) and a water channel clapboard (7); the end cover body (4) is in a flat cylindrical shape, and the middle part of the end cover body is provided with a bearing chamber (6) capable of being provided with a bearing; the cooling cavity inner sleeve (2) is hollow and cylindrical, is positioned on the axial outer side of the end cover body (4), and is coaxially arranged with the end cover body (4); the cooling cavity outer sleeve (1) is arranged on the radial outer side of the cooling cavity inner sleeve (2); a cavity between the cooling cavity inner sleeve (2) and the cooling cavity outer sleeve (1) forms a cooling cavity (3); the cooling cavity (3) is divided into two parts by a cavity partition plate (10) along the axial direction, wherein the two parts are an inner side cavity and an outer side cavity respectively; the inner cavity and the outer cavity are respectively provided with a plurality of water channel clapboards (7); the water channel partition plate (7) is connected between the cooling cavity inner sleeve (2) and the cooling cavity outer sleeve (1); the lower part of the end cover body (4) is provided with an inner side water inlet (8) and an inner side water outlet (9) which are adjacently arranged and communicated with the inner side cavity; the lower part of the cooling cavity outer sleeve (1) is provided with an outer side water inlet and an outer side water outlet which are adjacently arranged and communicated with the outer side cavity.

2. The motor end cover for connecting a high-temperature device according to claim 1, wherein: the water channel clapboard (7) in the inner side cavity comprises a long clapboard and a short clapboard; the long partition plate of the inner side cavity is positioned between the inner side water inlet (8) and the inner side water outlet (9) at the lower part of the inner side cavity and partitions the inner side cavity; the short partition plate of the inner side cavity is circumferentially arranged between the inner side water inlet (8) and the inner side water outlet (9) in the circumferential direction, and gaps are alternately reserved on two axial sides;

the water channel clapboard (7) in the outer side cavity comprises a long clapboard and a short clapboard; the long partition plate of the outer side cavity is positioned between the outer side water inlet and the outer side water outlet at the lower part of the outer side cavity and partitions the outer side cavity; the short partition plate of the outer side cavity is circumferentially arranged between the outer side water inlet and the outer side water outlet, and gaps are alternately reserved on two axial sides.

3. The motor end cover for connecting a high-temperature device according to claim 1, wherein: the cavity clapboard (10) is bent in a wavy shape.

4. The motor end cover for connecting a high-temperature device according to claim 3, wherein: the water channel clapboard (7) in the inner side cavity comprises a long clapboard and a short clapboard; the long partition plate of the inner side cavity is positioned between the inner side water inlet (8) and the inner side water outlet (9) at the lower part of the inner side cavity and partitions the inner side cavity; the short partition plate of the inner side cavity is circumferentially arranged between the inner side water inlet (8) and the inner side water outlet (9) in the circumferential direction, and gaps are alternately reserved on two axial sides;

5. The motor end cover for connecting high-temperature equipment according to claim 4, wherein: the short partition plates are connected to wave crests of the cavity partition plates (10) and end cover bodies (4) or cooling cavity jackets (1) opposite to the wave troughs.