CN219081758U

CN219081758U - Support structure for reducing vibration

Info

Publication number: CN219081758U
Application number: CN202222536682.0U
Authority: CN
Inventors: 蓝若灵
Original assignee: Chengdu Foster Technology Co ltd
Current assignee: Chengdu Foster Technology Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-05-26
Anticipated expiration: 2032-09-22

Abstract

The utility model relates to the technical field of structural support, in particular to a support structure for reducing vibration, which comprises a structural body, wherein the structural body comprises a water turbine, and a connecting flange, a fulcrum and a rotating wheel are sequentially arranged on the water turbine from top to bottom; the connecting flange is movably connected with the water turbine, the pivot is fixedly connected with the water turbine, and the rotating wheel is rotationally connected with the water turbine; the fulcrum quantity is 4, and 4 equal spacer ring of fulcrum are established in the hydraulic turbine week side, and this disclosure can effectively improve vertical hydraulic turbine's support atress through setting up 4 fulcrums and adopting the L type to can alleviate vertical hydraulic turbine's vibrations influence directly perceivedly, can improve the firm degree of installation at last.

Description

Support structure for reducing vibration

Technical Field

The utility model relates to the technical field of structural support, in particular to a support structure for reducing vibration.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

In the prior practical environment, two fulcrums and three fulcrums are commonly adopted for the hydraulic turbine fulcrums, and related static balance experiments are carried out aiming at the two fulcrums and the three fulcrums. The water turbine installed vertically is basically provided with 3 fulcrums, other fulcrums are not adopted, so that the problem that installation is not firm, and damage vibration is easy to generate in the working process of water turbine equipment, and the overall service life of the water turbine is further shortened.

Disclosure of Invention

The inventors found through research that: the stability and the longer life-span of hydraulic turbine can be guaranteed to increase of fulcrum quantity, but because the hydraulic turbine generally adopts two fulcrums or three fulcrums under current technical environment, consequently the life-span extension that above-mentioned problem needs to carry out reasonable solution just can realize the hydraulic turbine reduces vibrations.

The utility model aims at providing a reduce bearing structure of vibrations, through setting up 4 fulcrum cooperation hydraulic turbine bodies, solve prior art and can't effectively reduce vibrations and guarantee the firm technical problem of installation to vertical hydraulic turbine.

According to one aspect of the present disclosure, there is provided a support structure for reducing vibration, including a structural body including a water turbine, on which a connection flange, a fulcrum and a runner are sequentially disposed from top to bottom; the connecting flange is movably connected with the water turbine, the supporting point is fixedly connected with the water turbine, and the rotating wheel is rotatably connected with the water turbine; the number of the fulcrums is 4, and the 4 fulcrums are all arranged on the periphery of the water turbine in a spacing ring mode.

In the prior art, when the vertical water turbine is firmly installed, 3 points are basically adopted for supporting, the angle of each supporting point is 120 degrees, but in the machining operation, the problem of serious vibration problem is often encountered, the inventor creatively designs the support of 4 supporting points by combining the actual work and theoretical knowledge of the inventor, and the influence of tangential force, axial force and other interference force caused by vibration is effectively relieved by increasing the number of the supporting points.

In some embodiments of the present disclosure, each of the fulcrums is L-shaped and each of the fulcrums is a carbon steel material.

In some embodiments of the present disclosure, the angle of each of the fulcrums is 90 °.

The adoption of 90 degrees is obtained by the inventor after fine calculation, so that the uniform stress can be ensured, and the service life of the whole water turbine is prolonged.

In some embodiments of the present disclosure, a bolt hole is correspondingly formed under each fulcrum.

In some embodiments of the present disclosure, the bolt hole is L-shaped.

In some embodiments of the present disclosure, an anchor bolt is fastened and connected in each of the bolt holes.

In some embodiments of the present disclosure, the periphery of the wheel is poured with concrete.

In some embodiments of the present disclosure, the hydraulic turbine is further provided with a generator.

In some embodiments of the present disclosure, the generator is electrically wired to the water turbine.

Compared with the technology disclosed at present, the technology disclosed by the disclosure has the following advantages and beneficial effects:

the vertical hydraulic turbine support device has the advantages that the support stress of the vertical hydraulic turbine can be effectively improved by setting the 4 support points and adopting the L shape, vibration influence of the vertical hydraulic turbine can be intuitively relieved, and finally the installation firmness can be improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Legend description:

a 1-generator; 2-connecting flanges; 3-fulcrum; 4-concrete pouring; 5-rotating wheels; 6-anchor bolts; 7-a water turbine; in the drawings, the broken line refers to the technical feature, and the broken line is adopted to refer to the technical feature for avoiding interference.

Detailed Description

Referring to fig. 1 together, the present embodiment provides a vibration reducing support structure, which is already in actual testing use.

In the following paragraphs, the different aspects of the embodiments are defined in more detail. Aspects so defined may be combined with any other aspect or aspects unless explicitly stated to be non-combinable. In particular, any feature or features may be combined with one or more other features may be desired and advantageous. The terms "first," "second," and the like in the present utility model are merely for convenience of description to distinguish between different constituent components having the same name, and do not denote a sequential or primary or secondary relationship.

Example 1

The present example includes at least the following: the utility model provides a supporting structure for reducing vibrations, includes the structure body, and the structure body includes hydraulic turbine 7, and the hydraulic turbine in this embodiment is vertical hydraulic turbine, specifically vertical shaft extension tubular turbine.

The water turbine 7 is sequentially provided with a connecting flange 2, a fulcrum 3 and a rotating wheel 5 from top to bottom, wherein the connecting flange 2 is a detachable joint for fixing two pipelines, pipe fittings or equipment on one flange plate, then adding a flange pad between the two flange plates, and finally tightening the two flange plates by bolts to tightly combine the two flange plates, namely the flange for connecting the pipelines in the embodiment, and meanwhile, the connection between the stationary pipeline and rotating or reciprocating equipment can be realized.

The connecting flange 2 is movably connected with the water turbine 7, wherein the movable connection specifically means that the water turbine 7 and the connecting flange 2 can perform relative rotation or relative displacement, and the preferred embodiment is the relative rotation.

The fulcrum 3 is fixedly connected with the water turbine 7, and the rotating wheel 5 is rotationally connected with the water turbine 7; the number of the fulcra 3 is 4, the 4 fulcra 3 are all arranged on the circumference side of the water turbine 7 in a spacing ring mode, each fulcra 3 is L-shaped, each fulcra 3 is made of carbon steel, and the carbon steel is Q23; meanwhile, the L-shaped supporting point is used for ensuring that the installation is more convenient, and the convenience of the installation is improved.

Example 2

This example only describes the differences from example 1: the angle of each fulcrum 3 is 90 degrees, and the bolt holes are correspondingly formed in the lower part of each fulcrum 3, and the corresponding bolt holes are formed in order to ensure convenience and rapidness of connection.

Example 3

This example only describes the differences from example 2: the bolt hole top is L shape, all fastening connection has rag bolt 6 in every bolt hole, and the quantity of rag bolt 6 and the quantity one-to-one of bolt hole.

Example 4

This example only describes the differences from example 1: the periphery of the runner 5 is poured with concrete pouring 4, and the water turbine 7 is also provided with a generator 1, wherein the concrete pouring refers to the process of pouring concrete into a mould until plasticization, and materials such as concrete and the like are made into a preset shape in the mould in civil construction engineering.

Example 5

This example only describes the differences from example 4: the generator 1 is wired to the turbine 7, which in this embodiment is preferably a wired connection, and in some situations where a wired connection is not possible, a wireless connection may be used.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The supporting structure for reducing vibration is characterized by comprising a structural body, wherein the structural body comprises a water turbine (7), and a connecting flange (2), a fulcrum (3) and a rotating wheel (5) are sequentially arranged on the water turbine (7) from top to bottom; the connecting flange (2) is movably connected with the water turbine (7), the supporting point (3) is fixedly connected with the water turbine (7), and the rotating wheel (5) is rotationally connected with the water turbine (7); the number of the fulcrums (3) is 4, and the 4 fulcrums (3) are all arranged on the periphery of the water turbine (7) in a spacing ring mode.

2. A shock-reducing support structure according to claim 1, wherein each of the fulcra (3) is L-shaped and each of the fulcra (3) is a carbon steel material.

3. A shock-reducing support structure according to claim 1 or 2, wherein the angle of each fulcrum (3) is 90 °.

4. A shock-reducing support structure according to claim 3, wherein each fulcrum (3) is provided with a corresponding bolt hole under it.

5. The shock absorbing support structure of claim 4, wherein said bolt holes are L-shaped thereabove.

6. A shock reducing support structure according to claim 4, wherein anchor bolts (6) are fastened in each of said bolt holes.

7. A vibration-reducing support structure according to claim 1, characterized in that the periphery of the runner (5) is poured with concrete casting (4).

8. A support structure for reducing vibrations according to claim 1, characterized in that the turbine (7) is further provided with an electric generator (1).

9. A shock-reducing support structure according to claim 8, characterized in that the generator (1) is electrically wired to the turbine (7).