CN215566352U

CN215566352U - Resistance to compression hydraulic turbine blade

Info

Publication number: CN215566352U
Application number: CN202121305539.XU
Authority: CN
Inventors: 何家庆
Original assignee: Zhejiang Yongyu Machinery Manufacturing Co ltd
Current assignee: Zhejiang Yongyu Machinery Manufacturing Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-18
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a pressure-resistant water turbine blade which comprises an inner ring, wherein blade bodies distributed in an array manner are detachably arranged on the outer wall of the inner ring, and a first retaining ring matched with the blade bodies for use is detachably arranged at one end of the inner ring; the inner ring and the outer ring can be placed at proper positions, then a plurality of groups of blade bodies need to be held in sequence, first T-shaped blocks and second T-shaped blocks are inserted into corresponding first T-shaped grooves and second T-shaped grooves respectively, then the first retaining ring can be held in sequence, the first L-shaped blocks are inserted into corresponding first L-shaped grooves and rotate the first retaining ring, so that the first L-shaped blocks and the corresponding first L-shaped grooves are clamped with each other, then six groups of first bolts need to be turned in sequence, so that the first bolts are inserted into corresponding first through holes and first fixing holes, then the second retaining ring and the outer ring are fixed, therefore, the inner ring, the blade bodies and the outer ring are quickly clamped and fixed, the blade bodies are convenient to detach and replace in the later period, the normal use of the water turbine is ensured, and the practicability is high.

Description

Resistance to compression hydraulic turbine blade

Technical Field

The utility model relates to the technical field of water turbine blades, in particular to a pressure-resistant water turbine blade.

Background

The turbine blade is used for controlling the flow rate of water and forming the water into a ring-shaped quantity when the turbine works, and the shape and the mass of the turbine blade as an important component of the turbine influence the flow rate of the water when the turbine works.

Most directness of blade that the present hydraulic turbine used and inner ring and outer loop fixed connection, during follow-up use, can't dismantle it when damage appears in one of them a set of blade and change to can't ensure the normal use of the hydraulic turbine, the practicality is lower, and the blade shape list that the present hydraulic turbine used is thin, and the resistance to compression effect is lower, and in the use, the blade is very easily taken place deformation or even damage under hydraulic pressure, and life is lower, for this we propose a resistance to compression hydraulic turbine blade and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure-resistant water turbine blade to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the pressure-resistant water turbine blade comprises an inner ring, blade bodies distributed in an array mode are detachably arranged on the outer wall of the inner ring, a first retaining ring matched with the blade bodies for use is detachably arranged at one end of the inner ring, outer rings are detachably arranged on the outer sides of a plurality of groups of the blade bodies, and a second retaining ring matched with the blade bodies for use is detachably arranged at one end of each outer ring;

the outer wall of the inner ring is provided with first T-shaped grooves distributed in an array manner, one end of the blade body is provided with a first T-shaped block, the first T-shaped block can be slidably clamped in the first T-shaped groove, one side of the first baffle ring is fixedly provided with first L-shaped blocks distributed in an array manner, the inner ring is provided with a first L-shaped groove matched with the first L-shaped block for use, the first L-shaped block can be movably clamped in the first L-shaped groove, the inner wall of the outer ring is provided with second T-shaped grooves distributed in an array manner, the other end of the blade body is provided with a second T-shaped block, the second T-shaped block can be slidably clamped in the second T-shaped groove, second L-shaped blocks distributed in an array manner are fixedly arranged on one side of the second baffle ring, and a second L-shaped groove matched with the second L-shaped block for use is formed in the outer ring, and the second L-shaped block can be movably clamped in the second L-shaped groove.

As a preferable technical solution of the present invention, the blade body includes a base plate, a first blade is fixedly mounted on one side of the base plate, and a second blade is fixedly connected to the other side of the base plate.

As a preferred technical solution of the present invention, guide rods are slidably inserted into the base plate, the guide rods are distributed in a staggered manner, one ends of the guide rods are respectively and fixedly connected to the first blade and the second blade, a spring is movably sleeved on the guide rods, one end of the spring is fixedly connected to the base plate, and the other end of the spring is respectively and fixedly connected to the first blade and the second blade.

In a preferred embodiment of the present invention, a rubber pad is integrally formed at one end of the guide rod, and one side of the rubber pad is capable of being in movable contact with the first blade and the second blade.

As a preferred technical scheme of the present invention, the first baffle ring is provided with first through holes in an array distribution, one end of the inner ring is provided with first fixing holes in an array distribution, and the first through holes and the first fixing holes can be internally provided with first bolts in a threaded manner.

As a preferred technical solution of the present invention, the second baffle ring is provided with second through holes distributed in an array manner, one end of the outer ring is provided with second fixing holes distributed in an array manner, and second bolts can be inserted into the second through holes and the second fixing holes in a threaded manner.

As a preferable aspect of the present invention, the outer diameter of the first T-shaped block is the same as the inner diameter of the first T-shaped groove.

As a preferable aspect of the present invention, the outer diameter of the second T-shaped block is the same as the inner diameter of the second T-shaped groove.

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

1. when the water turbine is used in daily life, a user can place the inner ring and the outer ring at proper positions, then the user needs to hold a plurality of groups of blade bodies in sequence and insert the first T-shaped block and the second T-shaped block into the corresponding first T-shaped groove and the second T-shaped groove respectively, then the user can hold the first retaining ring in sequence and insert the first L-shaped block into the corresponding first L-shaped groove, then the user needs to rotate the first retaining ring so that the first L-shaped block is clamped with the corresponding first L-shaped groove, then the user needs to turn six groups of first bolts in sequence so that the first retaining ring is inserted into the corresponding first through hole and the first fixing hole, and then the user needs to repeat the steps to fix the second retaining ring and the outer ring, thereby realizing the quick clamping and fixing of the inner ring, the blade bodies and the outer ring, being convenient for the later-stage to detach and replace the blade bodies and further ensuring the normal use of the water turbine, the practicability is higher.

2. After the blade body installation is accomplished, the user can install it on the hydraulic turbine and put into use, in the use, when first blade and second blade received water impact, first blade and second blade will produce deformation and promote corresponding guide arm and remove, correspond the spring with the extrusion simultaneously, when the water impact force disappears, the spring will extend this moment, thereby promote the guide arm and reset with corresponding first blade and second blade, avoid first blade and second blade to produce deformation, thereby effectively improved the compressive capacity of blade body, and then prolonged the life of blade body.

Drawings

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

FIG. 2 is a schematic view of a connection structure of a blade body and an inner ring according to the present invention;

FIG. 3 is an enlarged structural view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a connection structure between a blade body and an outer ring according to the present invention;

FIG. 5 is an enlarged structural view of the structure at B in FIG. 4 according to the present invention;

FIG. 6 is a schematic cross-sectional view of a blade body according to the present invention.

In the figure: 1. an inner ring; 11. a first T-shaped groove; 12. a first L-shaped groove; 13. a first fixing hole; 2. a blade body; 201. a substrate; 202. a first blade; 203. a second blade; 204. a guide bar; 205. a spring; 206. a rubber pad; 21. a first T-shaped block; 22. a second T-shaped block; 3. a first retainer ring; 31. a first L-shaped block; 32. a first through hole; 33. a first bolt; 4. an outer ring; 41. a second T-shaped groove; 42. a second L-shaped groove; 43. a second fixing hole; 5. a second retainer ring; 51. a second L-shaped block; 52. a second through hole; 53. and a second bolt.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a compression-resistant water turbine blade comprises an inner ring 1, blade bodies 2 distributed in an array mode are detachably arranged on the outer wall of the inner ring 1, a first retaining ring 3 matched with the blade bodies 2 for use is detachably arranged at one end of the inner ring 1, outer rings 4 are detachably arranged on the outer sides of a plurality of groups of blade bodies 2, and a second retaining ring 5 matched with the blade bodies 2 for use is detachably arranged at one end of each outer ring 4;

the outer wall of the inner ring 1 is provided with first T-shaped grooves 11 distributed in an array manner, one end of the blade body 2 is provided with first T-shaped blocks 21, the first T-shaped blocks 21 can be slidably clamped in the first T-shaped grooves 11, one side of the first baffle ring 3 is fixedly provided with first L-shaped blocks 31 distributed in an array manner, the inner ring 1 is provided with first L-shaped grooves 12 matched with the first L-shaped blocks 31 for use, the first L-shaped blocks 31 can be movably clamped in the first L-shaped grooves 12, the inner wall of the outer ring 4 is provided with second T-shaped grooves 41 distributed in an array manner, the other end of the blade body 2 is provided with second T-shaped blocks 22, the second T-shaped blocks 22 can be slidably clamped in the second T-shaped grooves 41, one side of the second baffle ring 5 is fixedly provided with second L-shaped blocks 51 distributed in an array manner, the outer ring 4 is provided with second L-shaped grooves 42 matched with the second L-shaped blocks 51 for use, and the second L-shaped blocks 51 can be movably clamped in the second L-shaped grooves 41, the inner diameter of the first L-shaped groove 12 is larger than the inner diameter of the first L-shaped block 31, and the inner diameter of the second L-shaped groove 42 is larger than the outer diameter of the second L-shaped block 51, so that the first L-shaped groove 12 and the second L-shaped block 31 can slide in the first L-shaped groove 12 and the second L-shaped groove 42, respectively, and the first L-shaped groove 12 and the first L-shaped block 31 and the second L-shaped groove 42 and the second L-shaped block 51 are engaged with each other.

The blade body 2 includes a base plate 201, a first blade 202 is fixedly mounted on one side of the base plate 201, and a second blade 203 is fixedly connected to the other side of the base plate 201.

The base plate 201 is slidably inserted with guide rods 204 which are distributed in a staggered manner, one ends of the guide rods 204 are respectively fixedly connected with the first blades 202 and the second blades 203, springs 205 are movably sleeved on the guide rods 204, one ends of the springs 205 are fixedly connected with the base plate 201, the other ends of the springs 205 are respectively fixedly connected with the first blades 202 and the second blades 203, the guide rods 204 are arranged and used to ensure that the first blades 202 and the second blades 203 cannot deform when deviating from the base plate 201, and therefore structural stability of the blade body 2 is ensured.

Rubber pad 206 is formed at one end of guide rod 204, and one side of rubber pad 206 can be in movable contact with first blade 202 and second blade 203, and rubber pad 206 has certain elasticity to can reduce guide rod 204 and at the produced effort of striking first blade 202 and second blade 203, further improve blade body 2's structural stability.

First through-hole 32 that sets up the array and distribute runs through on the first fender ring 3, and the first fixed orifices 13 of array distribution have been seted up to the one end of inner ring 1, can the screw thread insert in first through-hole 32 and the first fixed orifices 13 and be equipped with first bolt 33 to can be in the same place first fender ring 3 is fixed with inner ring 1.

The second blocking ring 5 is provided with second through holes 52 which are distributed in an array in a penetrating mode, one end of the outer ring 4 is provided with second fixing holes 43 which are distributed in an array, and second bolts 53 can be inserted into the second through holes 52 and the second fixing holes 43 in a threaded mode, so that the second blocking ring 5 and the outer ring 4 can be fixed together.

The outer diameter of the first T-shaped block 21 is the same as the inner diameter of the first T-shaped groove 11, so that the clamping firmness of the blade body 2 and the inner ring 1 is effectively improved.

The outer diameter of the second T-shaped block 22 is the same as the inner diameter of the second T-shaped groove 41, so that the fastening firmness of the blade body 2 and the outer ring 4 is effectively improved.

The working principle is as follows: in daily use, a user can place the inner ring 1 and the outer ring 4 at proper positions, then the user needs to hold a plurality of groups of blade bodies 2 in sequence and insert the first T-shaped block 21 and the second T-shaped block 22 in the corresponding first T-shaped groove 11 and the second T-shaped groove 41 respectively, then the user can hold the first retaining ring 3 in sequence and insert the first L-shaped block 31 in the corresponding first L-shaped groove 12, then the user needs to rotate the first retaining ring 3 so as to enable the first L-shaped block 31 and the corresponding first L-shaped groove 12 to be clamped mutually, then the user needs to turn six groups of first bolts 33 in sequence so as to enable the first L-shaped blocks to be inserted in the corresponding first through holes 32 and first fixing holes 13, and then the user needs to repeat the steps to fix the second retaining ring 5 and the outer ring 4, so that the rapid clamping and fixing of the inner ring 1, the blade bodies 2 and the outer ring 4 are realized, and the blade bodies 2 are convenient to be disassembled and replaced at the later stage, and then ensure the normal use of hydraulic turbine, the practicality is higher, after blade body 2 installs and accomplishes, the user can install it on the hydraulic turbine and put into use, in the use period, when first blade 202 and second blade 203 received water impact, first blade 202 will produce deformation and promote corresponding guide arm 204 with second blade 203 and remove, will extrude simultaneously and correspond spring 205, when water impact force disappears, spring 205 will extend this moment, thereby promote guide arm 204 and reset with corresponding first blade 202 and second blade 203, avoid first blade 202 and second blade 203 to produce deformation, thereby effectively improved the compressive capacity of blade body 2, and then prolonged the life of blade body 2.

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. A resistance to compression hydraulic turbine blade, includes inner ring (1), its characterized in that: the outer wall of the inner ring (1) is detachably provided with blade bodies (2) distributed in an array manner, one end of the inner ring (1) is detachably provided with a first baffle ring (3) matched with the blade bodies (2) for use, the outer sides of a plurality of groups of blade bodies (2) are detachably provided with outer rings (4), and one end of each outer ring (4) is detachably provided with a second baffle ring (5) matched with the blade body (2) for use;

the outer wall of the inner ring (1) is provided with a first T-shaped groove (11) distributed in an array manner, one end of the blade body (2) is provided with a first T-shaped block (21), the first T-shaped block (21) can be slidably clamped in the first T-shaped groove (11), one side of the first baffle ring (3) is fixedly provided with a first L-shaped block (31) distributed in an array manner, the inner ring (1) is provided with a first L-shaped groove (12) matched with the first L-shaped block (31) for use, the first L-shaped block (31) can be movably clamped in the first L-shaped groove (12), the inner wall of the outer ring (4) is provided with a second T-shaped groove (41) distributed in an array manner, the other end of the blade body (2) is provided with a second T-shaped block (22), the second T-shaped block (22) can be slidably clamped in the second T-shaped groove (41), one side of the second baffle ring (5) is fixedly provided with a second L-shaped block (51) distributed in an array manner, and a second L-shaped groove (42) matched with the second L-shaped block (51) for use is formed in the outer ring (4), and the second L-shaped block (51) can be movably clamped in the second L-shaped groove (42).

2. The pressure resistant turbine blade of claim 1, wherein: the blade body (2) comprises a substrate (201), a first blade (202) is fixedly mounted on one side of the substrate (201), and a second blade (203) is fixedly connected to the other side of the substrate (201).

3. A pressure resistant turbine blade according to claim 2, wherein: slide on base plate (201) and insert guide arm (204) that are equipped with crisscross distribution, the one end of guide arm (204) respectively with first blade (202) and second blade (203) fixed connection, and the activity cover is equipped with spring (205) on guide arm (204), the one end and base plate (201) fixed connection of spring (205), the other end of spring (205) respectively with first blade (202) and second blade (203) fixed connection.

4. A pressure resistant turbine blade according to claim 3, wherein: one end of the guide rod (204) is integrally formed with a rubber pad (206), and one side of the rubber pad (206) can be movably contacted with the first blade (202) and the second blade (203).

5. The pressure resistant turbine blade of claim 1, wherein: run through on first fender ring (3) and seted up first through-hole (32) that the array distributes, array distribution first fixed orifices (13) have been seted up to the one end of inner ring (1), can insert by the screw thread in first through-hole (32) and first fixed orifices (13) and be equipped with first bolt (33).

6. The pressure resistant turbine blade of claim 1, wherein: the second keeps off and runs through on the ring (5) and sets up second through-hole (52) that the array distributes, array distribution second fixed orifices (43) have been seted up to the one end of outer ring (4), can insert with the screw thread in second fixed orifices (43) in second through-hole (52) and the second and be equipped with second bolt (53).

7. The pressure resistant turbine blade of claim 1, wherein: the outer diameter of the first T-shaped block (21) is the same as the inner diameter of the first T-shaped groove (11).

8. The pressure resistant turbine blade of claim 1, wherein: the outer diameter of the second T-shaped block (22) is the same as the inner diameter of the second T-shaped groove (41).