CN216788591U

CN216788591U - Hydraulic turbine blade convenient to dismouting

Info

Publication number: CN216788591U
Application number: CN202123185273.2U
Authority: CN
Inventors: 宫云奎
Original assignee: Qingdao Zeneng Power Generation Equipment Co ltd
Current assignee: Qingdao Zeneng Power Generation Equipment Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-21
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a water turbine blade convenient to disassemble and assemble, and particularly relates to the technical field of water turbine blades, wherein the existing water turbine blades are installed on the side surface of a water turbine through welding, so that the water turbine blades are not easy to disassemble and maintain if damaged in the later period, and the replacement of the blades is not facilitated; the mounting mechanism comprises mounting pieces, the mounting pieces are fixedly mounted on the outer surface of the water turbine body and distributed in an array mode by taking the center of the water turbine body as the center, lengthened bolts are inserted into the mounting pieces through threads, an operating ring is fixedly mounted at one ends of the lengthened bolts, a guide block is rotatably mounted at one ends, far away from the operating ring, of the lengthened bolts, and the guide block is slidably mounted inside the mounting pieces; make the installation of blade body become simple and convenient through installation mechanism, be convenient for dismantle the blade body to in maintenance.

Description

Hydraulic turbine blade convenient to dismouting

Technical Field

The utility model relates to the technical field of water turbine blades, in particular to a water turbine blade convenient to disassemble and assemble.

Background

The hydraulic turbine is through the equipment with the energy conversion of rivers mechanical energy, and china has just appeared hydraulic turbine shadow before the yuan, is used for the water wheels of lifting and irrigating at that time, and present hydraulic turbine most all is installed in the power station for supply power for the generator, passes through the inside of equipment introduction such as water pipe with the water in the reservoir to the hydraulic turbine, rotates through the blade of hydraulic turbine, drives the generator electricity generation. But present hydraulic turbine blade all is through welded mounting on the side of hydraulic turbine, if lead to later stage hydraulic turbine blade to appear damaging, be difficult to dismantle the maintenance, also do not do benefit to the change to the blade moreover, we propose the hydraulic turbine blade of the dismouting of being convenient for this reason and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water turbine blade convenient to disassemble and assemble so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a water turbine blade convenient to disassemble and assemble comprises a water turbine body, wherein an installation mechanism is arranged on the water turbine body, and a blade body is arranged on the installation mechanism;

installation mechanism includes the installed part, installed part fixed mounting is at the surface of hydraulic turbine body, and is the array distribution with the center of hydraulic turbine body, the screw thread is inserted and is equipped with the extension bolt on the installed part, the one end fixed mounting of extension bolt has the operating ring, the one end that the operating ring was kept away from to the extension bolt rotates and installs the guide block, guide block slidable mounting is in the inside of installed part, the one end fixed mounting that the extension bolt was kept away from to the guide block has first wedge, the inside slidable mounting of installed part has the second wedge, first wedge is laminated with the second wedge, one side of second wedge fixed mounting has the gag lever post of using with blade body collocation on the surface, the inside at the installed part is inserted in the gag lever post slip.

As a preferred technical scheme of the utility model, one end of the blade body close to the water turbine body is fixedly provided with an installation block, the installation block is slidably inserted into the installation part, and the installation block is fixedly provided with a fixture block.

As a preferred technical scheme of the utility model, one surface of the mounting block facing the second wedge block is provided with a limiting hole, the limiting rod is matched with the limiting hole for use, and the second wedge block is of a damping structure.

As a preferred technical scheme of the utility model, the two sides of the mounting part are fixedly provided with symmetrically distributed fixing blocks, the fixing blocks are attached to the outer surface of the water turbine body, the fixing blocks are provided with mounting bolts, and the mounting bolts are inserted in the water turbine body in a threaded manner.

As a preferable technical scheme of the utility model, the mounting piece is internally provided with a guide groove, and the guide block is matched with the guide groove for use.

As a preferred technical scheme of the present invention, the mounting member is provided with a clamping groove, the mounting block is used in cooperation with the clamping groove, the mounting member is provided with a limiting groove inside, and the clamping block is used in cooperation with the limiting groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. make the installation of blade body become simple and convenient through installation mechanism, be convenient for dismantle the blade body to in maintenance.

2. Because the second wedges are of a damping structure, easy sliding does not occur when the second wedges move.

Drawings

FIG. 1 is a schematic structural view of the present invention,

FIG. 2 is a schematic view of the mounting mechanism of the present invention,

FIG. 3 is a schematic view showing the structure of a first wedge of the present invention,

figure 4 is a schematic view of the mount construction of the present invention,

fig. 5 is a schematic view of the mounting block structure of the present invention.

In the figure: 1. a water turbine body; 11. a blade body; 12. mounting blocks; 13. a clamping block; 14. a limiting hole; 2. an installation mechanism; 21. a mounting member; 22. lengthening the bolt; 23. an operating ring; 24. a guide block; 25. a first wedge; 26. a second wedge; 27. a limiting rod; 28. a fixed block; 29. installing a bolt; 211. a guide groove; 212. a card slot; 213. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a water turbine blade convenient to disassemble and assemble, which comprises a water turbine body 1, wherein an installation mechanism 2 is arranged on the water turbine body 1, and a blade body 11 is arranged on the installation mechanism 2;

the mounting mechanism 2 comprises a mounting member 21, the mounting member 21 is fixedly mounted on the outer surface of the water turbine body 1 and is distributed in an array manner by using the center of the water turbine body 1, a mounting block 12 is fixedly mounted at one end of the blade body 11 close to the water turbine body 1, the mounting block 12 is slidably inserted in the mounting member 21, a fixture block 13 is fixedly mounted on the mounting block 12, an elongated bolt 22 is inserted in the mounting member 21 through threads, an operating ring 23 is fixedly mounted at one end of the elongated bolt 22, a guide block 24 is rotatably mounted at one end of the elongated bolt 22 far away from the operating ring 23, the guide block 24 is slidably mounted in the mounting member 21, a first wedge block 25 is fixedly mounted at one end of the guide block 24 far away from the elongated bolt 22, a guide groove 211 is formed in the mounting member 21, and the guide block 24 is matched with the guide groove 211, the guide block 24 and the first wedge block 25 can slide along the guide groove 211, the second wedge block 26 is slidably mounted inside the mounting member 21, the first wedge block 25 is attached to the second wedge block 26, the inclined surfaces of the first wedge block 25 and the second wedge block 26 are smooth, a limiting rod 27 matched with the blade body 11 is fixedly mounted on one side surface of the second wedge block 26, the limiting rod 27 is slidably inserted into the mounting member 21, a limiting hole 14 is formed in one side, facing the second wedge block 26, of the mounting block 12, the limiting rod 27 is matched with the limiting hole 14 for use, the second wedge block 26 is of a damping structure, the limiting rod 27 is matched with the limiting hole 14 for fixing the mounting block 12, when the mounting block 12 is used, the blade body 11 is held, the mounting block 12 is aligned with the clamping groove 212 and inserted into the clamping groove 212 until the mounting block 12 is completely inserted into the clamping groove 212, and then the blade body 11 moves downwards, the latch block 13 is clipped into the limiting groove 213, the operating ring 23 is held and rotated to drive the lengthened bolt 22 to rotate, the lengthened bolt 22 moves towards the inside of the mounting member 21 and simultaneously drives the guide block 24 and the first wedge block 25 to move, when the first wedge block 25 contacts with the second wedge block 26, the second wedge block 26 and the limiting rod 27 are driven to move downwards until the limiting rod 27 is inserted into the limiting hole 14, so as to fixedly mount the mounting block 12, thereby mounting the blade body 11, the operating ring 23 is reversely rotated at the later stage if the disassembly is needed, then the lengthened bolt 22 is driven to reversely rotate, the lengthened bolt 22 is driven to move outwards, so as to drive the guide block 24 and the first wedge block 25 to move towards the operating ring 23 until the first wedge block 25 completely moves to the inside of the guide groove 211, then the blade body 11 is held and moved upwards, meanwhile, the mounting block 12 is driven to move upwards, the mounting block 12 can drive the limiting rod 27 and the second wedge block 26 to move upwards until the mounting block 12 moves to the top of the clamping groove 212, then the blade body 11 is moved downwards, the limiting rod 27 is separated from the mounting block 12, the blade body 11 is moved outwards until the mounting block 12 is completely separated from the mounting piece 21, and therefore the blade body 11 is detached.

Further, the both sides fixed mounting of installed part 21 has the fixed block 28 of symmetric distribution, fixed block 28 and the laminating of hydraulic turbine body 1 surface, be equipped with mounting bolt 29 on the fixed block 28, mounting bolt 29 screw thread is inserted and is established the inside of hydraulic turbine body 1, at first laminates installed part 21 and hydraulic turbine body 1 surface, then carries out fixed mounting through mounting bolt 29, and the later stage of also being convenient for simultaneously is dismantled installation mechanism 2 wholly.

Further, a clamping groove 212 is formed in the mounting part 21, the mounting block 12 is used in cooperation with the clamping groove 212, the thickness of the clamping groove 212 is larger than the thickness of the mounting block 12 and the clamping block 13, a limiting groove 213 is formed in the mounting part 21, and the clamping block 13 is used in cooperation with the limiting groove 213.

The working principle is as follows: firstly, the mounting piece 21 is attached to the outer surface of the water turbine body 1, then the mounting piece is fixedly mounted through the mounting bolt 29, meanwhile, the mounting mechanism 2 is conveniently dismounted in the later period, the blade body 11 is held, the mounting block 12 is aligned with the clamping groove 212 and inserted into the clamping groove until the mounting block 12 is completely inserted into the clamping groove 212, then the blade body 11 is moved downwards, the clamping block 13 is clamped into the limiting groove 213, then the operating ring 23 is held and rotated to drive the lengthened bolt 22 to rotate, the lengthened bolt 22 moves towards the inside of the mounting piece 21 and simultaneously drives the guide block 24 and the first wedge block 25 to move, when the first wedge block 25 is contacted with the second wedge block 26, the second wedge block 26 and the limiting rod 27 are driven to move downwards until the limiting rod 27 is inserted into the limiting hole 14, so that the mounting block 12 is fixedly mounted, and the blade body 11 is mounted, and in the later stage, if disassembly is required, reversely rotating the operating ring 23, then driving the lengthened bolt 22 to reversely rotate, so that the lengthened bolt 22 moves outwards, thereby driving the guide block 24 and the first wedge block 25 to move towards the operating ring 23 until the first wedge block 25 completely moves to the inside of the guide groove 211, then holding the blade body 11 and moving upwards, and simultaneously driving the mounting block 12 to move upwards, the mounting block 12 will drive the limiting rod 27 and the second wedge block 26 to move upwards until the mounting block 12 moves to the top of the clamping groove 212, then moving the blade body 11 downwards, so that the limiting rod 27 is separated from the mounting block 12, and then moving the blade body 11 outwards until the mounting block 12 is completely separated from the mounting piece 21, thereby disassembling the blade body 11.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic turbine blade convenient to dismouting, includes hydraulic turbine body (1), its characterized in that: the water turbine body (1) is provided with an installation mechanism (2), and the installation mechanism (2) is provided with a blade body (11);

the installation mechanism (2) comprises an installation part (21), the installation part (21) is fixedly installed on the outer surface of the water turbine body (1) and is distributed in an array mode through the center of the water turbine body (1), a lengthened bolt (22) is inserted into the upper thread of the installation part (21), an operation ring (23) is fixedly installed at one end of the lengthened bolt (22), a guide block (24) is rotatably installed at one end of the lengthened bolt (22) far away from the operation ring (23), the guide block (24) is slidably installed in the installation part (21), a first wedge block (25) is fixedly installed at one end of the guide block (24) far away from the lengthened bolt (22), a second wedge block (26) is slidably installed in the installation part (21), the first wedge block (25) is attached to the second wedge block (26), a limiting rod (27) used in matching with the blade body (11) is fixedly installed on the surface of one side of the second wedge block (26), the limiting rod (27) is inserted in the mounting piece (21) in a sliding mode.

2. The easy-to-dismount water turbine blade according to claim 1, wherein: one end of the blade body (11) close to the water turbine body (1) is fixedly provided with an installation block (12), the installation block (12) is slidably inserted into the installation part (21), and a fixture block (13) is fixedly installed on the installation block (12).

3. The easy-to-dismount water turbine blade according to claim 2, wherein: the mounting block (12) is provided with a limiting hole (14) towards one surface of the second wedge block (26), the limiting rod (27) is matched with the limiting hole (14) for use, and the second wedge block (26) is of a damping structure.

4. The easy-to-dismount water turbine blade according to claim 1, wherein: the both sides fixed mounting of installed part (21) has symmetric distribution's fixed block (28), fixed block (28) and hydraulic turbine body (1) surface laminating, be equipped with mounting bolt (29) on fixed block (28), mounting bolt (29) screw thread is inserted and is established the inside of hydraulic turbine body (1).

5. The easy-to-dismount water turbine blade according to claim 1, wherein: guide slot (211) have been seted up to the inside of installed part (21), guide block (24) and guide slot (211) collocation use.

6. The easy-to-dismount water turbine blade according to claim 2, characterized in that: the mounting piece (21) is provided with a clamping groove (212), the mounting block (12) is matched with the clamping groove (212) for use, the mounting piece (21) is internally provided with a limiting groove (213), and the clamping block (13) is matched with the limiting groove (213) for use.