CN220857732U

CN220857732U - Rotor support structure of full umbrella type hydraulic generator

Info

Publication number: CN220857732U
Application number: CN202322643323.XU
Authority: CN
Inventors: 蔡雪和
Original assignee: Zhejiang Xunhe Machinery Manufacture Co ltd
Current assignee: Zhejiang Xunhe Machinery Manufacture Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-26
Anticipated expiration: 2033-09-28

Abstract

The utility model discloses a rotor support structure of a full umbrella type hydraulic generator, and aims to provide a rotor support structure of a full umbrella type hydraulic generator which is fast to assemble and disassemble and convenient to maintain in the later period. The novel reinforced rib plate comprises a main rib plate, wherein an upper disc is connected to the upper end of the main rib plate, a lower disc is connected to the lower end of the main rib plate, an installation circular plate and a reinforcing support are arranged on the lower disc, one end of the installation circular plate is connected with the lower disc, the other end of the installation circular plate is connected with the reinforcing support in a detachable mode, a fixing support is arranged on the reinforcing support, a locking structure is connected to the fixing support, the fixing support is connected with the reinforcing support in a detachable mode, and the locking structure is connected with the upper disc in a detachable mode. The beneficial effects of the utility model are as follows: the structure improves the strength and stability of the rotor bracket; the assembly and disassembly between the structures are convenient; the structural integrity is improved; the later maintenance and replacement are convenient; the service life of the water turbine is prolonged; and the structural connection strength is improved.

Description

Rotor support structure of full umbrella type hydraulic generator

Technical Field

The utility model relates to the technical field of water turbines, in particular to a rotor support structure of a full umbrella type water turbine generator.

Background

The rotor support of the hydraulic generator is an intermediate part which is connected with the magnet yoke and the rotating shaft into a whole, and the rotor support is an important part with complex stress. The rotor support structure types commonly used are a rotor support integrated with a magnetic yoke, a disc type rotor support, an integrally cast rotor support and a combined rotor support. The combined rotor support consists of a central body and rotor support arms, and is suitable for a large-capacity hydraulic generator with the outer diameter of a stator core of a stator being larger than 640 cm. The full umbrella type hydraulic generator adopts a combined rotor support, and the support arm of the rotor support is required to adopt an inclined support arm, so that the central distance between the rotor and the lower guide bearing is shortened, and the running stability of the unit is improved. However, for some small and medium-sized full umbrella type hydraulic generators, the outer diameter of the iron core of the stator is smaller than 640cm, and due to the limitation of the size, even if a combined bracket structure of an inclined support arm is adopted, the stable operation of the unit is difficult to ensure.

Chinese patent grant bulletin number: CN 210183116U, 24 th year of the grant bulletin day 2020, the utility model provides a novel rotor support structure for a full umbrella type hydraulic generator, which comprises a bearing pedestal, wherein a lower guide bearing which is connected and fixed with the bearing pedestal by a nested bolt is arranged on the bearing pedestal, a central body which is sleeved with the lower guide bearing in a clamped mode is arranged on the lower guide bearing, a circular ring is arranged above the central body, a middle disc which is integrally nested and welded with the central body is arranged on the outer wall of the central body, a lower disc is arranged below the middle disc, a plurality of support arms which are welded and fixed with the middle disc in a clamped mode are arranged on the outer circle of the lower disc, an upper disc is arranged between the support arms and the circular ring, an outer disc which is sleeved and welded with the circular ring is arranged at the upper end of the upper disc, and an upper reinforcing plate component is arranged between the upper disc and the middle disc. The technical scheme's weak point lies in, the outer wall of the center body 5 is equipped with and is the nested welded fastening's of integration center body 5 well disc 13, be equipped with a plurality of support arms 2 with the embedded welded fastening of well disc 13 mutually on the disc 15 excircle down, and the additional strengthening part is welded fastening promptly, and it is inconvenient and difficult to later maintenance replace to assemble in earlier stage, leads to the assembly of structure and dismantlement inefficiency and the extravagant not enough of resource.

In summary, the assembly and disassembly of the structure is inefficient and wasteful of resources.

Disclosure of utility model

The utility model provides a rotor bracket structure of a full umbrella type hydraulic generator, which is convenient for later maintenance and is fast to assemble and disassemble, in order to overcome the defects of low assembly and disassembly efficiency and resource waste of the structure in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a rotor support structure of full umbrella formula hydraulic generator, includes the main gusset, and main gusset upper end is connected with the disc, and main gusset lower extreme is connected with down the disc, is equipped with installation plectane and enhancement support on the disc down, and the one end and the lower disc of installation plectane are connected, and the other end and the enhancement support dismantlement of installation plectane are connected, are equipped with the fixed bolster on the enhancement support, are connected with locking structure on the fixed bolster, and the fixed bolster is connected with the enhancement support dismantlement, and locking structure is connected with last disc dismantlement.

The upper end and the last disc of main gusset are connected, the lower extreme is connected the main part support that forms the rotor with lower disc, the installation plectane is fixed be used for with strengthening the leg joint on lower disc, strengthen the leg joint and make the reinforcing support be convenient for loading and unloading and maintenance on the installation plectane, the fixed bolster is used for fixing the reinforcing support on the main part support, with the wholeness of connection between the reinforced structure, the fixed bolster can dismantle with the reinforcing support simultaneously and be connected, make the fixed bolster dismantle in a flexible way, and then the loading and unloading maintenance of the fixed bolster of reinforcing support of being convenient for, the fixed bolster is fixed and can dismantle with last disc through locking structure. The strength and stability of the rotor support are improved, the convenience in assembly and disassembly among structures is improved, the structural installation integrity is improved, and the later maintenance and replacement are facilitated so as to prolong the service life of the water turbine.

Preferably, the mounting circular plate is provided with a mounting groove, the mounting groove is provided with a yielding hole, the reinforcing support comprises a mounting plate and a reinforcing plate, the mounting plate is vertically connected with the reinforcing plate, the mounting plate is spliced with the mounting groove, and the reinforcing plate is spliced with the yielding hole. The mounting circular plate is inserted into the mounting plate through the mounting groove, the mounting plate is inserted into the mounting groove and simultaneously carries the reinforcing plate which is vertically connected into the yielding hole, so that the reinforcing support is quickly connected with the mounting circular plate, the mounting circular plate strengthens the strength of the mounting plate and the reinforcing plate through the yielding hole, the structural integrity is improved, and the effects of rapid assembly and improved structural connection strength are achieved.

Preferably, the reinforcing plate is provided with a supporting plate, the reinforcing plate is provided with a sliding groove, the mounting circular plate is provided with a limiting groove matched with the supporting plate, one end of the supporting plate is spliced with the limiting groove, and the other end of the supporting plate is in sliding connection with the sliding groove. The reinforcing plate passes through spout and spacing groove fixed support board, makes the backup pad slant connect and is triangle-shaped on installation plectane and reinforcing plate, and the backup pad can slide convenient to detach on the spout simultaneously, reaches further strengthening the joint strength to installation plectane and reinforcing plate, prevents to warp in order to prolong structure life convenient to assemble and disassemble's effect simultaneously.

Preferably, the reinforcing plate is provided with a top plate, the top plate is inserted into the sliding groove, a limiting groove is formed in the sliding groove, one side of the top plate is connected with a first limiting strip, the other end of the top plate is connected with a second limiting strip, the supporting plate is provided with a slot, the first limiting strip is inserted into the limiting groove, and the second limiting strip is inserted into the slot. The spout is inserted to the one end of backup pad, the other end is inserted in the slip of spout through one end and is inserted the spacing inslot, and the roof inserts the spout in order to fix the backup pad of inserting the spacing groove, prevent that the backup pad from removing, and the male both sides of roof are fixed and spacing through spacing one and spacing two insert connection simultaneously, reach the effect that improves structural joint strength and stable be convenient for simultaneously the assembly maintenance.

Preferably, the structure shape of the fixing support is L-shaped, the fixing support is provided with a clamping groove, the mounting plate, the reinforcing plate and the main rib plate are all in scarf joint with the clamping groove, the upper disc is provided with a positioning hole, the fixing support is spliced with the positioning hole, the locking structure comprises a locking plate and a screw rod, the locking plate is connected with the fixing support, the upper disc is provided with a through hole, the locking plate is provided with a locking screw hole, and the screw rod penetrates through the through hole to be in threaded connection with the locking screw hole. The structural shape of the fixing support is L-shaped to adapt to the mounting plate and the fixing plate which are vertically connected, the fixing support, the main rib plate, the upper disc and the lower disc are embedded into the L-shaped clamping groove to further improve the connection strength of the fixing support and the integrity of the whole support, the fixing support is inserted and positioned with the positioning hole, and the screw rod penetrates through the through hole on the upper disc to be connected with the locking screw hole so that the fixing support is fixed, thereby achieving the effects of improving the structural connection stability, strength and assembly maintenance.

Preferably, the reinforcing plate is provided with a connecting plate, the reinforcing plate is provided with a limiting groove, and two ends of the connecting plate are clamped with the limiting groove. The reinforcing plates are provided with a plurality of reinforcing plates which are adjacent to each other in a limiting way through the connecting plates, so that the effect that the connecting plates can be quickly disassembled after the fixing support is disassembled while the integrity is improved is achieved.

The beneficial effects of the utility model are as follows: the structure improves the strength and stability of the rotor bracket; the assembly and disassembly between the structures are convenient; the structural integrity is improved; the later maintenance and replacement are convenient; the service life of the water turbine is prolonged; and the structural connection strength is improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the reinforcing bracket and the attachment bracket to the lower disc;

FIG. 3 is a second cross-sectional view of the reinforcing brackets and the attachment brackets to the lower disc;

fig. 4 is a cross-sectional view of the attachment of the fixed bracket to the upper disc.

In the figure: 1. the device comprises a main rib plate, an upper disc, a lower disc, a mounting disc, a reinforcing bracket, a fixing bracket, a locking structure, a mounting groove, a yielding hole, a mounting plate, a reinforcing plate, a supporting plate, a sliding groove, a limiting groove, a top plate, a limiting groove, a limiting first groove, a limiting second groove, a slot, a clamping groove, a locking plate, a screw, a through hole, a locking screw hole, a connecting plate, a limiting groove and a positioning hole.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, processes and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

Example 1:

As shown in FIG. 1, a rotor support structure of a full umbrella type hydraulic generator comprises a main rib plate 1, wherein an upper disc 2 is connected to the upper end of the main rib plate 1, a lower disc 3 is connected to the lower end of the main rib plate 1, an installation circular plate 4 and a reinforcing support 5 are arranged on the lower disc 3, one end of the installation circular plate 4 is connected with the lower disc 3, the other end of the installation circular plate 4 is connected with the reinforcing support 5 in a detachable mode, a fixing support 6 is arranged on the reinforcing support 5, a locking structure 7 is connected to the fixing support 6, the fixing support 6 is connected with the reinforcing support 5 in a detachable mode, and the locking structure 7 is connected with the upper disc 2 in a detachable mode.

As shown in fig. 2 and 3, the mounting circular plate 4 is provided with a mounting groove 8, the mounting groove 8 is provided with a yielding hole 9, the reinforcing bracket 5 comprises a mounting plate 10 and a reinforcing plate 11, the mounting plate 10 is vertically connected with the reinforcing plate 11, the mounting plate 10 is spliced with the mounting groove 8, and the reinforcing plate 11 is spliced with the yielding hole 9. The reinforcing plate 11 is provided with a supporting plate 12, the reinforcing plate 11 is provided with a sliding groove 13, the mounting circular plate 4 is provided with a limiting groove 14 matched with the supporting plate 12, one end of the supporting plate 12 is spliced with the limiting groove 14, and the other end of the supporting plate 12 is in sliding connection with the sliding groove 13.

As shown in fig. 3, a top plate 15 is arranged on the reinforcing plate 11, the top plate 15 is inserted into the sliding groove 13, a limiting groove 16 is arranged in the sliding groove 13, one side of the top plate 15 is connected with a first limiting strip 17, the other end of the top plate 15 is connected with a second limiting strip 18, a slot 19 is arranged on the supporting plate 12, the first limiting strip 17 is inserted into the limiting groove 16, and the second limiting strip 18 is inserted into the slot 19.

As shown in fig. 2 and 4, the fixing support 6 has an L-shaped structure, the fixing support 6 is provided with a clamping groove 20, the mounting plate 10, the reinforcing plate 11 and the main rib plate 1 are all in engagement with the clamping groove 20, the upper disc 2 is provided with a positioning hole 27, the fixing support 6 is inserted into the positioning hole 27, the locking structure 7 comprises a locking plate 21 and a screw rod 22, the locking plate 21 is connected with the fixing support 6, the upper disc 2 is provided with a through hole 23, the locking plate 21 is provided with a locking screw hole 24, and the screw rod 22 passes through the through hole 23 to be in threaded connection with the locking screw hole 24.

As shown in fig. 1, a connecting plate 25 is arranged on the fixed bracket 6, a limiting groove 26 is arranged on the fixed bracket 6, and two ends of the connecting plate 25 are clamped with the limiting groove 26.

As shown in fig. 1-4: the supporting plates 12 are arranged on two sides of the reinforcing plate 11 by taking the reinforcing plate 11 as a symmetrical center, so that two sides of the reinforcing plate 11 are supported, and the lower ends of the reinforcing plate 11 are connected with the adjacent fixed brackets 6 through the connecting plates 25, so that the upper ends and the lower ends of the reinforcing plate 11 are balanced and stable.

The both sides of fixed bolster 6 all are connected with locking plate 21, and locking plate 21 scarf joint is in the connection right angle department of fixed bolster 6 and last disc 2 and is strengthened the joint strength between them simultaneously, strengthens the joint strength of fixed bolster 6 and rotor main part support through the screw rod 22 of both sides, and connecting plate 25 is in limiting groove 26 through interference fit card before connecting screw rod 22.

When in use, the utility model is characterized in that: and (3) assembling: after the upper disc 2 and the lower disc 3 are connected with the main rib plate 1, the mounting plate 10 is inserted into the mounting groove 8, the reinforcing plate 11 is inserted into the abdication hole 9 in a following manner, the two side support plates 12 are respectively moved in the sliding groove 13, the other end of the two side support plates is inserted into the limit groove 14, and the limit strip I17 in the top plate 15 is inserted into the slot 19 along the limit groove 16 and the limit strip II 18, so that the support plates 12 are jacked and fixed. The fixing support 6 is clamped into the clamping grooves 20 corresponding to the main rib plate 1, the lower disc 3 and the reinforcing support 6 along the fixing support 6, the clamping grooves 20 at the lower end of the fixing support 6 are embedded into the lower end face of the reinforcing plate 11, meanwhile, the upper end of the fixing support 6 is clamped into the positioning holes 27, two ends of the connecting plate 25 are clamped into the limiting grooves 26 through interference fit, then the screw rod 22 is inserted into the 23 through holes and is in threaded connection with the locking screw holes 24, so that the fixing support 6 is fixedly installed, and the rotor and the support are installed in the later stage, so that the rotor support is connected and supported by the rotor support.

And (3) disassembly and maintenance: the screw 22 is led to exit the locking screw hole 24 by reverse rotation, the connecting plate 25 is removed from the limiting groove 26, the fixing support 6 can be detached entirely, the main rib plate 1, the lower disc 3 and the reinforcing support 6 are separated from the clamping groove 20, and single structure maintenance and replacement of the fixing support 6 are realized. The top plate 15 is pulled out of the limit groove 14, the supporting plate 12 is released and falls down after losing the support, and the supporting plate 12 can be pulled out of the slide groove 13, so that the single structure of the supporting plate 12 can be maintained and replaced. The reinforcing plate 11 is pulled out of the mounting groove 8 with the mounting plate 10, so that the fixing support 6 can be detached, namely the whole reinforced support structure of the rotor main body is detached, maintained and replaced.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a rotor support structure of full umbrella formula hydraulic generator, characterized by, including main gusset (1), main gusset (1) upper end is connected with disc (2), main gusset (1) lower extreme is connected with disc (3) down, be equipped with installation plectane (4) and enhancement support (5) on disc (3) down, the one end and the lower disc (3) of installation plectane (4) are connected, the other end and the enhancement support (5) of installation plectane (4) are dismantled and are connected, be equipped with fixed bolster (6) on enhancement support (5), be connected with locking structure (7) on fixed bolster (6), fixed bolster (6) are dismantled with enhancement support (5) and are connected, locking structure (7) are dismantled with last disc (2).

2. The rotor support structure of the full umbrella type hydraulic generator according to claim 1, wherein the installation circular plate (4) is provided with an installation groove (8), the installation groove (8) is provided with a yielding hole (9), the reinforcing support (5) comprises an installation plate (10) and a reinforcing plate (11), the installation plate (10) is vertically connected with the reinforcing plate (11), the installation plate (10) is spliced with the installation groove (8), and the reinforcing plate (11) is spliced with the yielding hole (9).

3. The rotor support structure of the full umbrella type hydraulic generator according to claim 2, wherein the supporting plate (12) is arranged on the reinforcing plate (11), the sliding groove (13) is arranged on the reinforcing plate (11), the limit groove (14) matched with the supporting plate (12) is arranged on the mounting circular plate (4), one end of the supporting plate (12) is inserted into the limit groove (14), and the other end of the supporting plate (12) is connected with the sliding groove (13) in a sliding mode.

4. A rotor support structure of a full umbrella type hydraulic generator according to claim 3, characterized in that, be equipped with roof (15) on reinforcing plate (11), roof (15) are pegged graft with spout (13), be equipped with spacing recess (16) in spout (13), one side of roof (15) is connected with spacing first (17), the other end of roof (15) is connected with spacing second (18), be equipped with slot (19) on backup pad (12), spacing first (17) are pegged graft with spacing recess (16), spacing second (18) are pegged graft with slot (19).

5. The rotor support structure of a full umbrella type hydraulic generator according to claim 4, wherein the structure shape of the fixing support (6) is L-shaped, a clamping groove (20) is formed in the fixing support (6), the mounting plate (10), the reinforcing plate (11) and the main rib plate (1) are all embedded with the clamping groove (20), a positioning hole (27) is formed in the upper disc (2), the fixing support (6) is inserted into the positioning hole (27), the locking structure (7) comprises a locking plate (21) and a screw rod (22), the locking plate (21) is connected with the fixing support (6), a through hole (23) is formed in the upper disc (2), and a locking screw hole (24) is formed in the locking plate (21), and the screw rod (22) penetrates through the through hole (23) and is in threaded connection with the locking screw hole (24).

6. The rotor support structure of a full umbrella type hydraulic generator according to claim 5, wherein the fixing support (6) is provided with a connecting plate (25), the fixing support (6) is provided with a limiting groove (26), and two ends of the connecting plate (25) are clamped with the limiting groove (26).