Isolation hood for magnetic transmission

Abstract

The utility model discloses an isolation hood for magnetic transmission, which comprises a mounting flange, a blank cap, an isolation outer sleeve and an isolation inner sleeve, the isolation outer sleeve and the isolation inner sleeve are connected with the mounting flange and the blank cap, the mounting flange, the blank cap, the isolation outer sleeve and the isolation inner sleeve form a cylindrical cooling cavity, and a grid component is arranged in the cooling cavity. The grid assembly divides the cooling cavity into a snakelike cooling channel, and the cooling channel is provided with two connecting ends communicated with the outside. The cooling device has the advantages and effects that the cooling effect is better, and the production cost is lower.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of magnetic transmission, especially relates to a isolation cover for magnetic transmission. BACKGROUND

[0002] The magnetic transmission isolation cover is usually located in the air gap between the inner and outer magnetic steel and is a thin shell structure static sealing cover.

[0003] During high-speed rotation of the inner and outer magnetic steel, an alternating magnetic field is generated in the metal isolation cover, and a large amount of heat is generated in the isolation cover under the action of the eddy current effect, resulting in an increase in the temperature of the isolation cover. Therefore, a cooling structure needs to be designed on the isolation cover. Various isolation covers with cooling structures have appeared on the market, and the present improvement is conceived to avoid the cooling structure of the isolation cover on the market. SUMMARY

[0004] The utility model discloses a kind of isolation covers for magnetic transmission, which has better cooling effect and lower production cost.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of isolation cover for magnetic transmission, including mounting flange, cover and the isolation outer sleeve and isolation inner sleeve of connecting mounting flange with cover, the mounting flange, cover, isolation outer sleeve and isolation inner sleeve four constitute a cylindrical cooling cavity, grid component is equipped in the cooling cavity, the grid component is divided into serpentine cooling channel, the cooling channel has two connecting ends communicated with the outside.

[0006] By adopting the above technical scheme, the cooling cavity is divided into serpentine cooling channel by setting grid component, to realize the contact between cooling liquid and isolation cover, to achieve comprehensive and uniform cooling of the isolation cover, so that it has better cooling effect. And the formed connecting end is communicated with the outside pipeline, to form circulation cooling for cooling liquid in and out of cooling channel. And this kind of setting structure can reduce the production cost of isolation cover cooling structure.

[0007] Further setting is that: serpentine cooling channel is arranged around the center of cooling cavity.

[0008] By adopting the above technical scheme, the cooling channel is arranged around the entire isolation cover to increase the path length of cooling liquid and improve the cooling effect.

[0009] Further setting is that: two connecting ends are adjacent, and both connecting ends are close to one side of mounting flange or cover.

[0010] By adopting the technical scheme, the pipeline connected with the connecting end can be conveniently wired and conveniently docked, so that the wiring mode is more compact and beautiful.

[0011] Further, the grid assembly comprises a partition member and a plurality of groups of separation structures, the plurality of groups of separation structures are arranged around the center of the cooling cavity at intervals and form a cooling interval between adjacent two groups of separation structures.

[0012] By adopting the technical scheme, the partition member cooperates with the plurality of groups of separation structures to form a cooling channel with two ends in the cylindrical cooling cavity, so as to achieve the cooling purpose.

[0013] Further, the separation structure comprises a left separation plate fixedly arranged on the isolation outer sleeve, a right separation plate fixedly arranged on the isolation inner sleeve and abutting against the left separation plate, and a cooling hole formed between the left separation plate and the right separation plate, the cooling hole communicates adjacent two cooling intervals, and the cooling holes of adjacent two groups of separation structures are not at the same horizontal height.

[0014] By adopting the technical scheme, the left separation plate abuts against the right separation plate to form a separation structure with a cooling hole in the cooling cavity, so as to constitute a cooling channel, and by arranging the cooling holes of adjacent two groups of separation structures at different horizontal heights, a serpentine passing path is formed.

[0015] Further, one side of the left separation plate abutting against the right separation plate is an inclined abutting surface in the direction from the mounting flange to the cover, one side of the right separation plate abutting against the inclined abutting surface is a matching abutting surface, and the inclined abutting surface abutting against the matching abutting surface forms a diagonal inclined structure.

[0016] By adopting the technical scheme, the diagonal inclined structure is arranged to better realize the close abutment of the left separation plate and the right separation plate, to reduce the probability of abutment leakage, and to improve the sealing performance of the abutment structure.

[0017] Further, the isolation outer sleeve is fixedly arranged on the cover, and the isolation inner sleeve is fixedly arranged on the mounting flange, and a locking assembly is arranged between the isolation outer sleeve and the mounting flange.

[0018] By adopting the technical scheme, the locking assembly realizes the assembly and sealing of the cover, the isolation inner sleeve, the mounting flange and the isolation outer sleeve.

[0019] Further, the locking assembly comprises a plurality of locking bolts, and the locking bolts are threadedly connected with the mounting flange through the isolation outer sleeve.

[0020] By adopting the technical scheme, the assembly of the structure is convenient and the sealing performance is good.

[0021] Therefore, the utility model has the advantages that better cooling effect and lower production cost are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 Structure schematic view of an embodiment;

[0023] Fig. 2 Sectional view of an embodiment;

[0024] Fig. 3 Partial structure schematic view of an embodiment.

[0025] In the figure: 1, mounting flange; 2, cover; 3, isolation outer sleeve; 4, isolation inner sleeve; 5, connecting end; 6, partition piece; 7, separation structure; 71, left separation plate; 72, right separation plate; 73, cooling hole; 8, cooling interval; 9, inclined abutting surface; 10, matching abutting surface; 11, locking bolt. DETAILED DESCRIPTION

[0026] The utility model will be further described in detail below in combination with the drawings.

[0027] Reference Figs. 1 to 3 A kind of isolation cover for magnetic transmission, including mounting flange 1, cover 2 and the isolation outer sleeve 3 and isolation inner sleeve 4 connecting mounting flange 1 with cover 2, mounting flange 1, cover 2, isolation outer sleeve 3 and isolation inner sleeve 4 four constitute a cylindrical cooling cavity.Cooling cavity is equipped with grid assembly, grid assembly is divided into serpentine cooling channel by cooling cavity, cooling channel has two connecting ends 5 with outside communication.Two connecting ends 5 are adjacent and two connecting ends 5 are close to mounting flange 1 side or cover 2 side, preferably be opened in mounting flange 1.

[0028] Grid assembly includes partition piece 6 and several groups of separation structure 7, and several groups of separation structure 7 are arranged around the center of cooling cavity and are spaced apart, and a cooling interval 8 is formed between adjacent two groups of separation structure 7.Separation structure 7 includes left separation plate 71 integrally arranged in isolation outer sleeve 3, right separation plate 72 integrally arranged in isolation inner sleeve 4 and abutting against left separation plate 71, and cooling hole 73 formed between left separation plate 71 and right separation plate 72.Cooling hole 73 is communicated with adjacent two cooling intervals 8, and the cooling holes 73 of adjacent two groups of separation structure 7 are not at the same horizontal height.The upper end of left separation plate 71 is fixedly connected with cover 2, and the lower end of right separation plate 72 is fixedly connected with mounting flange 1.

[0029] The side surface of the left partition plate 71 and the right partition plate 72 facing each other abut against each other, the side of the left partition plate 71 abutting against the right partition plate 72 is an inclined abutting surface 9 in the direction from the mounting flange 1 to the cover 2; the side of the right partition plate 72 abutting against the inclined abutting surface 9 is a matched abutting surface 10, the inclined abutting surface 9 abutting against the matched abutting surface 10 forms a pair of diagonal inclined structures. The partition member 6 is fixedly arranged between the isolation outer sleeve 3 and the cover 2 or the isolation inner sleeve 4 and the mounting flange 1; when the partition member 6 is fixedly arranged between the isolation outer sleeve 3 and the cover 2, the partition member 6 abuts tightly and seals the isolation inner sleeve 4 and the mounting flange 1.

[0030] The isolation outer sleeve 3 is fixedly arranged at the outer ring of the cover 2, the isolation inner sleeve 4 is fixedly arranged at the inner ring of the mounting flange 1, and a locking assembly is arranged between the isolation outer sleeve 3 and the mounting flange 1. The locking assembly drives the lower end of the isolation outer sleeve 3 to abut tightly and seal the mounting flange 1, and drives the upper end of the isolation inner sleeve 4 to abut tightly and seal the cover 2. The locking assembly comprises a plurality of locking bolts 11, and the locking bolts 11 are threadedly connected between the isolation outer sleeve 3 and the mounting flange 1.

[0031] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.

Claims

1. A shield for magnetic drive, comprising a mounting flange (1), a cover (2) and a shield outer sleeve (3) and a shield inner sleeve (4) connecting the mounting flange (1) and the cover (2), the mounting flange (1), the cover (2), the shield outer sleeve (3) and the shield inner sleeve (4) forming a cylindrical cooling chamber, characterized in that: The cooling cavity is provided with a grid assembly, which separates the cooling cavity into serpentine cooling channels, and the cooling channels have two connecting ends (5) communicating with the outside.

2. A spacer sleeve for magnetic drive according to claim 1, characterized in that: The serpentine cooling channels are arranged around the center of the cooling cavity.

3. A shield for magnetic drive according to claim 1, characterized in that: The two connecting ends (5) are adjacent to each other and are located close to one side of the mounting flange (1) or one side of the cover (2).

4. A shield for magnetic drive according to claim 1, characterized in that: The grid assembly comprises a partition member (6) and a plurality of groups of separation structures (7), and the plurality of groups of separation structures (7) are arranged around the center of the cooling cavity at intervals and form a cooling interval (8) between adjacent two groups of separation structures (7).

5. A shield for magnetic drive according to claim 4, characterized in that: The separation structure (7) comprises a left separation plate (71) fixedly arranged on the isolation outer sleeve (3), a right separation plate (72) fixedly arranged on the isolation inner sleeve (4) and abutting against the left separation plate (71), and a cooling hole (73) formed between the left separation plate (71) and the right separation plate (72), wherein the cooling hole (73) communicates adjacent two cooling intervals (8), and the cooling holes (73) of adjacent two groups of separation structures (7) are not at the same horizontal height.

6. A shield for magnetic drive according to claim 5, characterized in that: One side of the left separation plate (71) abutting against the right separation plate (72) is an inclined abutting surface (9) in the direction from the mounting flange (1) to the cover (2), one side of the right separation plate (72) abutting against the inclined abutting surface (9) is a matching abutting surface (10), and the inclined abutting surface (9) abutting against the matching abutting surface (10) forms a diagonal inclined structure.

7. A shield for magnetic drive according to claim 1, characterized in that: The isolation outer sleeve (3) is fixedly arranged on the cover (2), the isolation inner sleeve (4) is fixedly arranged on the mounting flange (1), and a locking assembly is arranged between the isolation outer sleeve (3) and the mounting flange (1).

8. A shield for magnetic drive according to claim 7, characterized in that: The locking assembly comprises a plurality of locking bolts (11), and the locking bolts (11) are threadedly connected with the mounting flange (1) through the isolation outer sleeve (3).

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