CN221220675U - High-rotation-speed rotating wheel structure of water turbine - Google Patents

Abstract

The utility model discloses a high-rotation-speed runner structure of a water turbine, and aims to provide the high-rotation-speed runner structure of the water turbine, which is convenient for adjusting runner blades to improve applicability and rotation speed. The rotary table comprises a mounting rotary table, wherein an end cover is connected to the upper end of the mounting rotary table, a fixing ring is arranged at the lower end of the mounting rotary table, a connecting rod is connected to the fixing ring, a connecting groove is formed in the mounting rotary table, a rotary wheel blade is arranged on the connecting groove, an adjusting ring is connected to the fixing ring in a rotary mode, and an installation seat is connected to the adjusting ring in a detachable mode. The beneficial effects of the utility model are as follows: the structural integrity of the rotating wheel is high, and the rotating wheel is convenient to adjust so as to improve structural adaptability and flexibility; the control and adjustment structure is convenient; the structure is connected stably and is convenient to detach so as to be convenient for later maintenance.

Description

High-rotation-speed rotating wheel structure of water turbine

Technical Field

The utility model relates to the technical field of water turbines, in particular to a high-rotation-speed rotating wheel structure of a water turbine.

Background

The water turbine is a power machine for converting energy of water flow into rotary mechanical energy, and belongs to turbine machinery in fluid machinery, and the water turbine and auxiliary machinery are important hydroelectric equipment which are indispensable components in hydroelectric power industry. The mixed flow turbine consists of a shell, a top cover, a runner and other parts, the runner is the most important component in the turbine, and most runner blades of the mixed flow turbine are integrally formed with a runner frame, so that the runner blades are damaged after being impacted by sundries in water flow.

Chinese patent grant bulletin number: the utility model discloses a high-rotating-speed rotating wheel structure of a water turbine, which relates to the technical field of water turbine equipment and comprises a fixed ring, wherein a bottom block is arranged in the fixed ring, a mounting round table is arranged at the top of the bottom block, an end cover is arranged at the top of the mounting round table, rotating wheel blades are arranged at the outer side of the mounting round table, a plurality of first fixed grooves are formed in the inner side of the fixed ring, a rubber pad is fixedly arranged at the inner side of each first fixed groove in a fusion manner, a plurality of connecting plates are arranged at the outer side of the bottom block, one side of each connecting plate is fixedly arranged at the bottom block in a fusion manner, the other side of each connecting plate is fixedly arranged at the inner side of the fixed ring in a fusion manner, and a first spiral groove is formed in the center position of the top of the bottom block. The technical scheme has the following defects: although the blades of the rotating wheel can be replaced, the rotating wheel is inconvenient to adjust, and the rotating wheel is difficult to adjust the angle adaptively in different application environments, so that the use effect of the water turbine in the environment is affected.

In summary, the runner blades of the water turbine are inconvenient to adjust and have disadvantages affecting the applicability and the rotating speed effect of the runner.

Disclosure of utility model

The utility model provides a high-rotation-speed runner structure of a water turbine, which is convenient for adjusting runner blades to improve applicability and rotation speed, and aims to overcome the defect that the runner blades of the water turbine in the prior art are inconvenient to adjust and influence the applicability and rotation speed effect of the runner.

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

the utility model provides a high rotational speed runner structure of hydraulic turbine, includes the installation round platform, and the upper end of installation round platform is connected with the end cover, and the lower extreme of installation round platform is equipped with solid fixed ring, is connected with the connecting rod on the solid fixed ring, and the connecting rod is connected with the installation round platform, is equipped with the spread groove on the installation round platform, is equipped with runner blade on the spread groove, rotates on the solid fixed ring to be connected with the adjusting ring, is connected with the mount pad on the adjusting ring, and runner blade dismantles with the mount pad to be connected.

The end cover has been connected to the upper end of installation round platform, the end cover is connected for dismantling with the installation round platform, the solid fixed ring has been connected to the lower extreme of installation round platform, make rivers get into the space between end cover and the solid fixed ring, gu fixed ring passes through the connecting rod and is connected with the installation round platform in order to strengthen the wholeness of runner, runner blade's one end is connected on the spread groove of installation round platform, the other end is connected on gu fixed ring on adjustable pivoted adjusting ring, and then make runner blade along with adjusting ring's rotation regulation, in order to reach the best state to adapting to rivers entering to runner blade deflection regulation, ensure the high rotational speed effect of hydraulic turbine, runner blade is dismantled through adjusting ring's mount pad and is connected on the adjusting ring in addition, increase stability and the flexibility of being convenient for later maintenance of structure connection. The structure has the advantages of high integrity, convenience in adjustment, structural adaptability and flexibility improvement, stable connection between structures, convenience in disassembly and convenience in later maintenance.

Preferably, a limiting hole is formed in the connecting groove, one side of the rotating wheel blade is connected with a first rotating rod, the first rotating rod is connected with a limiting rod, the limiting rod is spliced with the limiting hole, the first rotating rod is in scarf joint with the connecting groove, and the rotating wheel blade is rotationally connected with the connecting groove through the first rotating rod. Limiting holes are formed in the groove walls in the connecting grooves, and the rotating wheel blades are inserted into the limiting holes through the limiting rods after being inserted into the connecting grooves through the rotating rods, so that the rotating wheel blades can rotate while kept rotatable, and meanwhile, the positioning accuracy and the connecting strength are improved, and the effect that the rotating wheel blades rotate smoothly during adjustment is achieved.

Preferably, the fixing ring is provided with a first limiting groove, the first limiting grooves are uniformly distributed around the inner wall of the fixing ring, one side of the adjusting ring is provided with a second limiting groove matched with the first limiting groove, and the first limiting groove is in scarf joint with the second limiting groove. The fixed ring is internally provided with a first limit groove, a plurality of first wavy limit grooves are used as embedding points of a second limit groove on the fixed ring, so that two adjacent protruding parts of the corresponding limit grooves according to the required inclination of the rotating blade are embedded with the first limit groove during connection, and the relative positions of the fixed ring and the adjusting ring are fixed, thereby achieving the effects of convenient quantitative adjustment, convenient operation and high connection stability between the structures.

Preferably, the other side of the adjusting ring is connected with one side of the mounting seat, the other side of the mounting seat is provided with a movable groove, the structural shape of the movable groove is in an arc shape, the other side of the rotating wheel blade is connected with a second rotating rod, the second rotating rod is in scarf joint with the movable groove, and the rotating wheel blade is rotationally connected with the movable groove through the second rotating rod. The mount pad has been connected to the opposite side of adjusting ring, and one side of mount pad is connected on the adjusting ring, and the opposite side passes through the movable slot and is connected with runner blade, has connected bull stick two on the runner blade, and bull stick two passes through the insert movable slot and rotates in the movable slot, cooperates the bull stick one to realize adjusting runner blade simultaneously and produces inclination regulation, reaches the effect of being convenient for control regulation structure, inter-structure high connection stability.

Preferably, the fixing ring is provided with an upper limiting groove and a first fixing screw rod, a limiting piece is arranged in the upper limiting groove, one end of the limiting piece is inserted into the upper limiting groove, the other end of the limiting piece is attached to the end faces of the adjusting ring and the mounting seat, the limiting piece is provided with a mounting hole, and the first fixing screw rod passes through the mounting hole to be in threaded connection with the fixing ring. In the upper limit groove, the fixed ring is connected with the fixed plate through the mounting hole, so that the adjusting ring and the second rotating rod are prevented from falling out after being connected with the fixed ring, and meanwhile, the convenience of later disassembly is improved through the threaded connection of the first fixed screw and the fixed ring, and the effects of improving the mounting stability and disassembling and maintaining convenience are achieved.

Preferably, the fixing ring is provided with a lower limiting groove, the mounting round table is provided with a clamping groove, one end of the connecting rod is connected with a first clamping block, the other end of the connecting rod is connected with a second clamping block, the first clamping block is in scarf joint with the limiting groove, the second clamping block is in scarf joint with the clamping groove, the connecting rod is connected with a second fixing screw and a third fixing screw in a threaded manner, the second fixing screw passes through the first clamping block to be in threaded connection with the fixing ring, and the third fixing screw passes through the second clamping block to be in threaded connection with the mounting round table. One end of connecting rod is through fixture block one and two fixed connection of fixing screw on solid fixed ring, the other end of connecting rod is through fixture block two and three fixed connection of fixing screw on the installation round platform to keep solid fixed ring and the stability of installation round platform's relative position, adjust runner blade inclination through adjusting ring's relative position change, make adjust simple convenient and stable, be convenient for gu fixed ring and installation round platform loading and unloading and later maintenance through the screw thread dismantlement simultaneously, reach and improve the simple convenient and stable and the effect of being convenient for loading and unloading maintenance of connection regulation between the structure.

The beneficial effects of the utility model are as follows: the structural integrity of the rotating wheel is high, and the rotating wheel is convenient to adjust so as to improve structural adaptability and flexibility; the control and adjustment structure is convenient; the structure is connected stably and is convenient to detach so as to be convenient for later maintenance.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2;

Fig. 5 is an enlarged view at C in fig. 2.

In the figure: 1. the device comprises a round platform, a 2 end cover, a 3 fixing ring, a 4 connecting rod, a 5 connecting groove, a 6 rotating wheel blade, a 7 adjusting ring, a 8 mounting seat, a 9 limiting hole, a 10 rotating rod I, a 11 limiting rod, a12 limiting groove I, a 13 limiting groove II, a 14 movable groove, a 15 rotating rod II, a 16 upper limiting groove, a 17 fixing screw I, a 18 limiting piece, a 19 lower limiting groove, a 20 clamping groove, a 21 clamping block I, a 22 clamping block II, a 23 fixing screw II and a 24 fixing screw III.

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 and 2, a high-rotation-speed rotating wheel structure of a water turbine comprises a mounting circular table 1, wherein an end cover 2 is connected to the upper end of the mounting circular table 1, a fixing ring 3 is arranged at the lower end of the mounting circular table 1, a connecting rod 4 is connected to the fixing ring 3, the connecting rod 4 is connected to the mounting circular table 1, a connecting groove 5 is formed in the mounting circular table 1, rotating wheel blades 6 are arranged on the connecting groove 5, an adjusting ring 7 is connected to the fixing ring 3 in a rotating mode, an installation seat 8 is connected to the adjusting ring 7, and the rotating wheel blades 6 are connected to the installation seat 8 in a disassembling mode.

As shown in fig. 2, a limiting hole 9 is formed in the connecting groove 5, one side of the runner blade 6 is connected with a first rotating rod 10, the first rotating rod 10 is connected with a limiting rod 11, the limiting rod 11 is inserted into the limiting hole 9, the first rotating rod 10 is in scarf joint with the connecting groove 5, and the runner blade 6 is rotatably connected with the connecting groove 5 through the first rotating rod 10.

As shown in fig. 2, the fixed ring 3 is provided with a first limiting groove 12, the first limiting groove 12 is provided with a plurality of limiting grooves, the first limiting groove 12 is uniformly distributed around the inner wall of the fixed ring 3, one side of the adjusting ring 7 is provided with a second limiting groove 13 matched with the first limiting groove 12, and the first limiting groove 12 and the second limiting groove 13 are in scarf joint.

As shown in fig. 2 and 3, the other side of the adjusting ring 7 is connected with one side of the mounting seat 8, the other side of the mounting seat 8 is provided with a movable groove 14, the structural shape of the movable groove 14 is in a circular arc shape, the other side of the rotating wheel blade 6 is connected with a second rotating rod 15, the second rotating rod 15 is in scarf joint with the movable groove 14, and the rotating wheel blade 6 is rotationally connected with the movable groove 14 through the second rotating rod 15. The fixed ring 3 is provided with an upper limiting groove 16 and a first fixing screw 17, a limiting piece 18 is arranged in the upper limiting groove 16, one end of the limiting piece 18 is inserted into the upper limiting groove 16, the other end of the limiting piece 18 is attached to the end faces of the adjusting ring 7 and the mounting seat 8, the limiting piece 18 is provided with a mounting hole, and the first fixing screw 17 passes through the mounting hole to be in threaded connection with the fixed ring 3.

As shown in fig. 2, 4 and 5, the fixing ring 3 is provided with a lower limiting groove 19, the installation round table 1 is provided with a clamping groove 20, one end of the connecting rod 4 is connected with a clamping block I21, the other end of the connecting rod 4 is connected with a clamping block II 22, the clamping block I21 is in scarf joint with the lower limiting groove 19, the clamping block II 22 is in scarf joint with the clamping groove 20, the connecting rod 4 is provided with a fixing screw II 23 and a fixing screw III 24 in a threaded connection, the fixing screw II 23 passes through the clamping block I21 to be in threaded connection with the fixing ring 3, and the fixing screw III 24 passes through the clamping block II 22 to be in threaded connection with the installation round table 1.

As shown in fig. 1-5: the first fixing screw 17 is kept flat with the upper end surface of the fixing ring 3 after being connected with the fixing ring 3, and the second fixing screw 23 and the third fixing screw 24 are kept flat with the lower end surface of the fixing ring 3 after being connected so as to maintain integrity and assembly.

The cross section of the connecting groove 5 is of a circular structure with a notch, the first rotary rod 10 is of a circular rod structure, the size of the notch of the connecting groove 5 is smaller than the length of the circumference of a semicircle, the first rotary rod 10 cannot transversely fall out of the connecting groove 5 after being inserted into the connecting groove 5 and is pulled out in a reverse mode through an installation mode, so that the structural stability is improved, and the notch of the connecting groove 5 is the rotation limiting range of the first rotary rod 10 after being connected with the rotating wheel blade 6.

The movable groove 14 has a circular structure with a notch in cross section, the second rotary rod 15 has a circular rod structure, the size of the notch of the movable groove 14 is smaller than the length of the semicircle circumference, so that the second rotary rod 15 can not transversely drop out of the movable groove 14 after being inserted into the movable groove 14 and can only be pulled out to improve the structural stability,

When in use, the utility model is characterized in that: assembling and adjusting the rotating wheel: the first rotating rod 10 at one end of each rotating wheel blade 6 and the connecting groove 5 are spliced from top to bottom until the limiting rod 11 is completely inserted into the limiting hole 9, the connecting end cover 2 is connected with the installation round table 1 to enable the upper end face of the rotating wheel blade 6 to be in contact with the end cover 2, the second rotating rod 15 at the other end of the rotating wheel blade 6 is inserted into the movable groove 14 of the installation seat 8, the adjusting ring 7 connected with the installation seat 8 is static or rotated to enable the rotating wheel blade 6 to keep vertical or reach a required inclination value, the inclination is kept to enable the limiting groove 13 of the adjusting ring 7 to be matched with the corresponding limiting groove 12 of the fixed ring 3 (the wavy protruding and concave positions are jointed), the rotating wheel blade 6 is fixed, the fixing screw three 24 is connected with the installation round table 1 through the clamping block two 22, the fixing screw two 23 is connected with the corresponding clamping groove 20 through the clamping block one 21, the relative position of the fixed ring 3 and the installation round table 1 is fixed, and the inclination of the rotating wheel blade 6 is fixed at the moment, and the debugging of the process can be performed in different environments. The limiting piece 18 is fixed in the upper limiting groove 16 through the first fixing screw 17 to prevent the adjusting ring 7, the mounting seat 8 and the second rotating rod 15 from falling out.

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 (6)

1. The utility model provides a high rotational speed runner structure of hydraulic turbine, characterized by, including installation round platform (1), the upper end of installation round platform (1) is connected with end cover (2), the lower extreme of installation round platform (1) is equipped with solid fixed ring (3), be connected with connecting rod (4) on solid fixed ring (3), connecting rod (4) are connected with installation round platform (1), be equipped with spread groove (5) on installation round platform (1), be equipped with runner blade (6) on spread groove (5), it is connected with adjusting ring (7) to rotate on gu fixed ring (3), be connected with mount pad (8) on adjusting ring (7), runner blade (6) are dismantled with mount pad (8) and are connected.

2. The high-rotation-speed rotating wheel structure of the water turbine according to claim 1, wherein a limiting hole (9) is formed in the connecting groove (5), one side of the rotating wheel blade (6) is connected with a first rotating rod (10), the first rotating rod (10) is connected with a limiting rod (11), the limiting rod (11) is spliced with the limiting hole (9), the first rotating rod (10) is spliced with the connecting groove (5), and the rotating wheel blade (6) is rotationally connected with the connecting groove (5) through the first rotating rod (10).

3. The high-rotation-speed rotating wheel structure of the water turbine according to claim 2, wherein the fixed ring (3) is provided with a first limiting groove (12), the first limiting grooves (12) are provided with a plurality of limiting grooves, the first limiting grooves (12) are uniformly distributed around the inner wall of the fixed ring (3), one side of the adjusting ring (7) is provided with a second limiting groove (13) which is matched with the first limiting grooves (12), and the first limiting grooves (12) and the second limiting grooves (13) are in scarf joint.

4. The high-rotation-speed rotating wheel structure of the water turbine according to claim 3, wherein the other side of the adjusting ring (7) is connected with one side of the mounting seat (8), the other side of the mounting seat (8) is provided with a movable groove (14), the structure of the movable groove (14) is in an arc shape, the other side of the rotating wheel blade (6) is connected with a rotating rod II (15), the rotating rod II (15) is in scarf joint with the movable groove (14), and the rotating wheel blade (6) is rotationally connected with the movable groove (14) through the rotating rod II (15).

5. The high-rotation-speed rotating wheel structure of a water turbine according to claim 4, wherein an upper limiting groove (16) and a first fixing screw rod (17) are arranged on the fixing ring (3), a limiting piece (18) is arranged in the upper limiting groove (16), one end of the limiting piece (18) is inserted into the upper limiting groove (16), the other end of the limiting piece (18) is attached to the end faces of the adjusting ring (7) and the mounting seat (8), a mounting hole is formed in the limiting piece (18), and the first fixing screw rod (17) penetrates through the mounting hole to be in threaded connection with the fixing ring (3).

6. The high-rotation-speed rotating wheel structure of a water turbine according to claim 5, wherein the fixing ring (3) is provided with a lower limiting groove (19), the mounting round table (1) is provided with a clamping groove (20), one end of the connecting rod (4) is connected with a clamping block I (21), the other end of the connecting rod (4) is connected with a clamping block II (22), the clamping block I (21) is in scarf joint with the lower limiting groove (19), the clamping block II (22) is in scarf joint with the clamping groove (20), the connecting rod (4) is provided with a fixing screw II (23) and a fixing screw III (24) in a threaded manner, the fixing screw II (23) penetrates through the clamping block I (21) to be in threaded connection with the fixing ring (3), and the fixing screw III (24) penetrates through the clamping block II (22) to be in threaded manner with the mounting round table (1).