CN213976869U

CN213976869U - Adjusting tool for rotary wheel suspension gasket of axial-flow rotary-paddle type water turbine generator set

Info

Publication number: CN213976869U
Application number: CN202022610355.6U
Authority: CN
Inventors: 宋欧阳; 赵永辉; 朱光烁; 王永业; 林晓明
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-08-17
Anticipated expiration: 2030-11-12

Abstract

A regulating tool for a runner suspension gasket of an axial-flow propeller type hydroelectric generating set comprises a plurality of footing supports, wherein supporting stand columns are arranged on the footing supports and are vertically arranged, the tops of the supporting stand columns are connected with a bearing plate, working holes are formed in the bearing plate, lifting devices are detachably arranged at the working holes and comprise lifting rods, and the lifting rods penetrate through the working holes; the footing supports and is equipped with U type draw-in groove, and the opening orientation of U type draw-in groove is the horizontal direction. The utility model is suitable for an axial compressor runner formula hydroelectric set runner hangs the gasket adjustment, improves the installation effectiveness, reduces the potential safety hazard, guarantee personnel's safety.

Description

Adjusting tool for rotary wheel suspension gasket of axial-flow rotary-paddle type water turbine generator set

Technical Field

The utility model belongs to hydroelectric set runner hangs gasket adjusting device field, in particular to axle circulation oar formula hydroelectric set runner hangs gasket adjustment tool.

Background

The rotor needs to be lifted out before the rotor is lifted out, the bearing of the rotating wheel needs to be transferred to a hanging tool through a brake through stress conversion before the rotating wheel is lifted out, and the hanging tool is fixed on the side wall of the rotating wheel chamber.

Before the runner is stressed and converted, the gasket below the blade needs to be adjusted for many times to ensure that the orientation of the inclined gasket is matched with the wing profile of the runner blade, the traditional method is to mount two screw jacks above a suspension tool, integrally drop a vertical bearing bolt and the suspension gasket to a certain height through round steel penetrating through a suspension hole of the vertical bearing bolt, adjust the positions of the convex gasket, the concave gasket and the inclined gasket below the blade, and then check and ensure that the orientation of the inclined gasket below the runner blade is matched with the wing profile of the blade by jacking the two screw jacks to ensure that the two screws are matched and synchronously shake the screw jacks to lift and drop the suspension gasket (as shown in figure 8), because the contact area between the jacks and the round steel is small, the two jacks cannot be ensured to accurately and synchronously lift, the jacks are stressed and easily eccentric, and the risk of smashing people exists; and the jack that rises and falls many times consumes greatly to people's physical power, and is inefficient, and this unit total 5 sets hang the gasket, use this method consuming time and difficultly, and the risk is very big, for improving work efficiency, reduces the safety risk, needs to design a set of runner and hangs gasket adjustment tool urgently.

Disclosure of Invention

In view of the technical problem that the background art exists, the utility model provides an axial compressor runner formula hydroelectric set runner hangs gasket adjustment instrument is applicable to axial compressor runner formula hydroelectric set runner and hangs the gasket adjustment, improves the installation effectiveness, reduces the potential safety hazard, and support personnel safety.

In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:

a regulating tool for a runner suspension gasket of an axial-flow propeller type hydroelectric generating set comprises a plurality of footing supports, wherein supporting stand columns are arranged on the footing supports and are vertically arranged, the tops of the supporting stand columns are connected with a bearing plate, working holes are formed in the bearing plate, lifting devices are detachably arranged at the working holes and comprise lifting rods, and the lifting rods penetrate through the working holes; the footing supports and is equipped with U type draw-in groove, and the opening orientation of U type draw-in groove is the horizontal direction.

In the preferred scheme, the lifting device is a hollow hydraulic jack, the hollow hydraulic jack is placed at the working hole, and the bearing plate is used for supporting the hollow hydraulic jack.

In a preferred scheme, the foot support comprises a first plate, a second plate and a third plate, wherein the first plate and the third plate are arranged in parallel, and the second plate is perpendicular to the first plate and the third plate; the inner wall of the second plate is used for being attached to the edge of the rotating wheel suspension.

In the preferred scheme, a sliding groove is formed in the second plate, a convex block is arranged on the third plate, and the convex block penetrates through the sliding groove; be equipped with the internal thread hole on the lug, be equipped with the internal thread otic placode on the board one, internal thread hole and internal thread otic placode all with lead screw threaded connection.

In the preferred scheme, the top of the screw rod is provided with a knob, and the bottom of the screw rod is detachably provided with a limiting plate.

In an optimized scheme, the limiting plate is connected with the screw rod through a fixing bolt.

This patent can reach following beneficial effect:

avoiding the use of heavy objects such as screw jacks and the like, ensuring the safety of operating personnel and reducing potential safety hazards. The maintenance efficiency is improved, and the labor and the time are saved. The traditional method needs 2 persons to work simultaneously for adjustment, and only 1 person is needed to work after the tool is used; the traditional adjustment method takes 1 day, and only 0.5 day after using the tool. The method has higher economy and popularization, shortens the overhaul period, namely increases the unit commissioning time and is beneficial to high-efficiency and high-volume power generation to a certain extent; meanwhile, the tool can be popularized and used for adjusting the similar rotating wheel suspension gaskets of other axial flow propeller type units.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a first diagram showing the installation effect of the present invention in embodiment 1 (the lifting device is installed at this time);

fig. 2 is a second diagram showing the installation effect of the present invention in embodiment 1 (at this time, the lifting device is not installed);

fig. 3 is a diagram showing the installation effect of the present invention in embodiment 1 (the lifting device is not installed at this time);

FIG. 4 is a front view of the present invention in embodiment 1;

fig. 5 is a first three-dimensional structure diagram of the footing support of the present invention in embodiment 2;

fig. 6 is a second three-dimensional structural view of the footing support of the present invention in embodiment 2;

fig. 7 is a three-dimensional structural diagram of the footing support of the present invention in embodiment 2;

fig. 8 is a diagram illustrating the effect of two screw jacks in the prior art.

In the figure: the device comprises a foot support 1, a first plate 101, a second plate 102, a third plate 103, a sliding groove 104, a convex block 105, an internal thread lug plate 106, a screw rod 107, a knob 108, a limiting plate 109, a fixing bolt 110, a support upright post 2, a bearing plate 3, a working hole 4, a lifting rod 51, a runner suspension 6 and a screw jack 7.

Detailed Description

Example 1:

a preferred scheme is as shown in fig. 1 to 4, the adjusting tool for the runner suspension gasket of the axial-flow propeller type hydroelectric generating set comprises a plurality of footing supports 1, wherein the footing supports 1 are provided with support columns 2, the support columns 2 are vertically arranged, the tops of the plurality of support columns 2 are connected with a bearing plate 3, the bearing plate 3 is provided with a working hole 4, a lifting device is detachably arranged at the working hole 4, the lifting device comprises a lifting rod 51, and the lifting rod 51 penetrates through the working hole 4; footing support 1 is equipped with U type draw-in groove, and the opening orientation of U type draw-in groove is the horizontal direction.

This technical scheme replaces two traditional screw jack 7 with a cavity hydraulic jack, has overcome two screw jack 7 asynchronous defects. Therefore, the two-point stress is changed into the single-point stress, and the risk of injuring people due to the fact that the two screw jacks are asynchronous and eccentrically stressed is avoided. In addition, the operation is simple, the number of operators is reduced, the work is changed from two persons to single person independent work, and the labor is saved.

Besides the jack, the lifting device can also adopt an electric push rod or a hydraulic push rod.

Adopt the bolt fastening between footing support 1, support post 2 and the bearing plate 3, footing support 1, support post 2 quantity are two, and bearing plate 3 quantity is one.

Furthermore, the lifting device is a hollow hydraulic jack, the hollow hydraulic jack is placed at the working hole 4, and the bearing plate 3 is used for supporting the hollow hydraulic jack.

Further, the foot support 1 comprises a first plate 101, a second plate 102 and a third plate 103, wherein the first plate 101 and the third plate 103 are arranged in parallel, and the second plate 102 is arranged perpendicular to the first plate 101 and the third plate 103; the inner wall of the second plate 102 is used for being attached to the edge of the wheel suspension 6. The hole in the middle of the rotating wheel suspension 6 is a central hole of the rotating wheel suspension.

Example 2:

on the basis of the embodiment 1, the following technical scheme is introduced:

preferably, as shown in fig. 5-7, the second plate 102 is provided with a sliding slot 104, the third plate 103 is provided with a projection 105, and the projection 105 penetrates through the sliding slot 104; the lug 105 is provided with an internal thread hole, the first plate 101 is provided with an internal thread lug 106, and the internal thread hole and the internal thread lug 106 are both in threaded connection with the screw rod 107. The top of the screw rod 107 is provided with a knob 108, and the bottom of the screw rod 107 is detachably provided with a limit plate 109. The stopper plate 109 is connected to the screw 107 by a fixing bolt 110.

The rotating knob 108 drives the screw rod 107 to rotate, the screw rod 107 is in threaded fit with the lug 105, the screw rod 107 rotates to drive the lug 105 to move up and down, and the design can enable the plate three 103 and the plate one 101 to clamp the rotating wheel suspension 6, so that the stability of the whole device is improved.

Limiting plate 109 passes through fixing bolt 110 and lead screw 107, and when lead screw 107 damaged, can conveniently dismantle lead screw 107, avoids lead screw 107 to rotate to cross the line simultaneously and causes board three 103 to drop.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides an axle circulation oar formula hydroelectric set runner hangs gasket adjustment instrument which characterized in that: the lifting device comprises a plurality of footing supports (1), wherein supporting columns (2) are arranged on the footing supports (1), the supporting columns (2) are vertically arranged, the tops of the supporting columns (2) are connected with a bearing plate (3), a working hole (4) is formed in the bearing plate (3), a lifting device is detachably arranged at the working hole (4) and comprises a lifting rod (51), and the lifting rod (51) penetrates through the working hole (4); the footing support (1) is provided with a U-shaped clamping groove, and the opening orientation of the U-shaped clamping groove is in the horizontal direction.

2. The tool for adjusting the suspension spacer of the runner of the axial-flow Kaplan type hydroelectric generating set according to claim 1, wherein: the lifting device is a hollow hydraulic jack, the hollow hydraulic jack is placed at the position of the working hole (4), and the bearing plate (3) is used for supporting the hollow hydraulic jack.

3. The tool for adjusting the suspension spacer of the runner of the axial-flow Kaplan type hydroelectric generating set according to claim 1, wherein: the footing support (1) comprises a first plate (101), a second plate (102) and a third plate (103), wherein the first plate (101) and the third plate (103) are arranged in parallel, and the second plate (102) is perpendicular to the first plate (101) and the third plate (103); the inner wall of the second plate (102) is used for being attached to the edge of the rotating wheel suspension (6).

4. The tool for adjusting the suspension spacer of the runner of the axial-flow Kaplan type hydroelectric generating set according to claim 3, wherein: a sliding groove (104) is formed in the second plate (102), a convex block (105) is arranged on the third plate (103), and the convex block (105) penetrates through the sliding groove (104); an internal thread hole is formed in the bump (105), an internal thread lug plate (106) is arranged on the plate I (101), and the internal thread hole and the internal thread lug plate (106) are in threaded connection with the screw rod (107).

5. The tool for adjusting the suspension spacer of the runner of the axial-flow Kaplan type hydroelectric generating set according to claim 4, wherein: the top of the screw rod (107) is provided with a knob (108), and the bottom of the screw rod (107) is detachably provided with a limiting plate (109).

6. The tool for adjusting the suspension spacer of the runner of the axial-flow Kaplan type hydroelectric generating set according to claim 5, wherein: the limiting plate (109) is connected with the screw rod (107) through a fixing bolt (110).