CN217462399U

CN217462399U - Axis adjusting assembly of vertical shaft water turbine generator set

Info

Publication number: CN217462399U
Application number: CN202221040404.XU
Authority: CN
Inventors: 周大福; 刘河勋; 朱国和; 黄仕华; 陈超安; 邱华强
Original assignee: Guangxi Guiguan Electric Power Co ltd; Zhaoping Branch Of Guangxi Guiguan Electric Power Co ltd
Current assignee: Guangxi Guiguan Electric Power Co ltd; Zhaoping Branch Of Guangxi Guiguan Electric Power Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-20
Anticipated expiration: 2032-04-29

Abstract

The utility model provides an axis adjusting component of a vertical shaft hydroelectric generating set, which comprises a nut post, a limiting rod and a bolt post, wherein the nut post is provided with a screw joint channel, and the screw joint channel extends along the length direction of the nut post; one end of the limiting rod is connected with the nut column and is perpendicular to the central axis of the nut column, and the limiting rod extends towards the direction departing from the nut column; the bolt column is provided with threads and detachably screwed into the screw joint channel, so that the nut column and the bolt column can be prevented from falling off in the process of adjusting the axis of the guide bearing of the vertical hydraulic generator.

Description

Axis adjusting assembly of vertical shaft water turbine generator set

Technical Field

The utility model relates to a vertical scroll hydraulic generator overhauls technical field, concretely relates to vertical scroll hydroelectric set axis adjustment subassembly.

Background

The guide bearing of the vertical hydraulic generator is used for bearing radial mechanical unbalanced force and electromagnetic unbalanced force of a rotating part of the unit, so that a shaft system of the unit swings in a specified range and is an essential component for stable operation of the unit. When the axis of the guide bearing of the vertical hydraulic generator needs to be adjusted, a bolt and a nut are usually used as a jacking shaft tool to jack between the bearing bush and the bearing seat, and then a spanner is used for respectively clamping the bolt and the nut and then screwing the bolt and the nut to adjust the distance between the bearing bush and the bearing seat. The above method has the following problems: 1. the adjustable range of the distance between the bearing bush and the bearing seat is small, and the adjustment cannot be completed quickly when the axis offset is large; 2. only the kit of the bolt and the nut is used as an adjusting tool, so that the operation is inconvenient, and the bolt and the nut are easy to separate from the wrench and fall into the vertical hydraulic generator in the operation process and are difficult to find.

Disclosure of Invention

The utility model discloses aim at solving one of the above-mentioned technical problem that provides, provide a vertical scroll hydroelectric set axis adjustment subassembly, it can avoid dropping at the in-process nut post and the bolt post of the axis of adjustment vertical hydraulic generator guide bearing.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

an axis adjusting assembly of a vertical shaft hydroelectric generating set comprises a nut column, a limiting rod and a bolt column, wherein a bolt connection channel is arranged on the nut column and extends along the length direction of the nut column; one end of the limiting rod is connected with the nut column and is perpendicular to the central axis of the nut column, and the limiting rod extends towards the direction departing from the nut column; the bolt column is provided with threads and detachably screwed into the screwing channel.

Further, the end edge of one end of the bolt column, which is far away from the nut column, is a round angle.

Further, the threaded passage extends through opposite ends of the nut post.

Further, the bolt column comprises a thread section, an extension section, a nut section and an arc section, wherein threads are arranged on the thread section, the thread section can be detachably screwed into the thread connection channel, the extension section is connected with one end, deviating from the nut column, of the thread section, the nut section is connected with one end, deviating from the nut column, of the extension section, the arc section is connected with one end, deviating from the nut column, of the nut section, and the end edge, deviating from one end of the nut section, of the arc section is a circular angle.

Further, the nut section is a quadrilateral nut.

Further, the nut section is a hexagonal nut.

Further, the thread on the bolt column is a fine thread.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the axis adjusting assembly of the vertical shaft water-turbine generator set is provided with the limiting rod, when an operator uses the axis adjusting assembly of the vertical shaft water-turbine generator set to adjust the axis, one hand holds the limiting rod and pushes one end of the nut column against the bearing seat, and the other hand adjusts the distance of the bolt column screwed into the screw connection channel by using a tool so as to adjust the distance between the bearing seat and the bearing bush, thereby realizing the adjustment of the axis of the guide bearing of the vertical water-turbine generator. Therefore, the axis adjusting assembly of the vertical shaft water turbine generator set can prevent the nut column and the bolt column from falling off in the process of adjusting the axis of the guide bearing of the vertical water turbine generator set.

Drawings

Fig. 1 is the structure schematic diagram of the axis adjusting component of the middle vertical shaft water turbine generator set of the utility model.

Fig. 2 is a schematic view of the axis adjustment assembly of the vertical shaft water-turbine generator set in fig. 1 in a detached mode.

Fig. 3 is a schematic diagram of the use of the axis adjusting component of the vertical shaft hydroelectric generating set.

In the attached drawing, 1-nut column, 10-screwed channel, 2-limit rod, 3-bolt column, 31-threaded section, 32-extension section, 33-nut section, 34-arc section, 100-bearing seat and 200-bearing tile.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, a preferred embodiment of the present invention provides an axis adjustment assembly for a vertical shaft hydroelectric generating set, which includes a nut column 1, a limiting rod 2 and a bolt column 3. The nut column 1 is provided with a bolt connection channel 10, and specifically, the bolt connection channel 10 penetrates through two opposite ends of the nut column 1. The screwing channel 10 extends in the axial direction of the nut stud 1; one end of the limiting rod 2 is connected with the nut post 1 and is perpendicular to the central axis of the nut post 1, and the limiting rod 2 extends in the direction departing from the nut post 1; the bolt columns 3 are provided with threads and are detachably screwed into the screw connection channels 10.

According to the axis adjusting assembly of the vertical shaft water-turbine generator set, when an operator uses the axis adjusting assembly of the vertical shaft water-turbine generator set to adjust the axis, one hand holds the limiting rod 2 and pushes one end of the nut column 1, which is far away from the bolt column 3, against the bearing block 100, and the other hand adjusts the distance of the bolt column 3 screwed into the screwing channel 10 by using a tool in the prior art, such as a wrench, so that the distance between the bearing block 100 and the bearing bush 200 is adjusted, and the axis of the guide bearing of the vertical water-turbine generator is adjusted. Meanwhile, when the nut column 1 is limited to be abutted against the bearing seat 100, the limiting rod 2 is held by an operator, and one end of the bolt column 3 is screwed into the screwing channel 10 to be limited, so that the axis adjusting component of the vertical shaft hydroelectric generating set can prevent the nut column 1 and the bolt column 3 from independently falling in the process of adjusting the axis of the guide bearing of the vertical hydraulic generator.

In the present embodiment, the end edge of the bolt column 3 facing away from the end of the nut column 1 is rounded. Specifically, the bolt column 3 includes a threaded section 31, an extended section 32, a nut section 33 and an arc section 34. The screw thread section 31 is provided with a screw thread, the screw thread section 31 is detachably screwed into the screw thread channel 10, the extension section 32 is connected with one end of the screw thread section 31 deviating from the nut column 1, the nut section 33 is connected with one end of the extension section 32 deviating from the nut column 1, the circular arc section 34 is connected with one end of the nut section 33 deviating from the nut column 1, the end edge of one end of the circular arc section 34 deviating from the nut section 33 is a circular angle, and the screw thread section 31, the extension section 32, the nut section 33 and the circular arc section 34 are integrally formed. The nut section 33 is arranged to facilitate the rotation of the bolt column 3 by using a tool. The arc section 34 deviates from the end edge of the one end of the nut section 33 is a round angle, so that the arc section 34 deviates from the one end of the nut section 33 is arc-shaped, and can avoid the bolt column 3 from scratching the bearing bush 200.

In this embodiment, the nut section 33 is a quadrangular nut, and the radian of a single rotation of the quadrangular nut is large, so that the number of times of rotating the bolt column 3 can be reduced.

In the present embodiment, the thread on the bolt stud 3 is a fine thread, and correspondingly, the thread in the screwing passage 10 is a fine thread, so that the distance between the bearing seat 100 and the bearing bush 200 can be more finely adjusted.

When the vertical shaft hydraulic generator guide bearing adjusting device is used, a plurality of groups of vertical shaft hydraulic generator set axis adjusting components are used together to adjust the axis of the vertical hydraulic generator guide bearing, wherein the use method of one group is as follows: the threaded section 31 is screwed into the screw thread passage 10, the axis adjusting component of the vertical shaft water-turbine generator set is placed between the bearing seat 100 and the bearing bush 200, one hand holds the limiting rod 2 to enable one end of the nut column 1, which is deviated from the threaded section 31, to be abutted against the bearing seat 100, the other hand clamps the nut section 33 by using a tool and is screwed out towards the direction of the bearing bush 200, when one end of the arc section 34, which is deviated from the nut section 33, is abutted against the bearing bush 200, the axis of the guide bearing of the vertical shaft water-turbine generator set can be adjusted by matching with the axis adjusting components of other groups of vertical shaft water-turbine generator sets, and after the distance adjusting component of one group of vertical shaft water-turbine generator sets is adjusted, the axis adjusting component of the next group of vertical shaft water-turbine generator sets can be fixed between the bearing seat 100 and the bearing bush 200, and then the distance adjusting component of the next group of vertical shaft water-turbine generator sets is adjusted.

It is understood that the nut segment 33 is not limited to the quadrangular nut in the present embodiment, and the nut segment 33 may be a hexagonal nut in other embodiments.

It will be appreciated that in other embodiments the extension 32 may be omitted, in which case the nut segment 33 connects the end of the threaded section 31 facing away from the nut shank 1.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent variations or modifications made under the technical spirit of the present invention should fall within the scope of the present invention.

Claims

1. The utility model provides a vertical scroll hydroelectric set axis adjustment subassembly which characterized in that: the bolt fastening device comprises a nut column (1), a limiting rod (2) and a bolt column (3), wherein a bolt connection channel (10) is arranged on the nut column (1), and the bolt connection channel (10) extends along the axial direction of the nut column (1); one end of the limiting rod (2) is connected with the nut column (1) and is perpendicular to the central axis of the nut column (1), and the limiting rod (2) extends towards the direction departing from the nut column (1); the bolt column (3) is provided with threads and detachably screwed into the screwing channel (10).

2. The axis adjusting assembly of a vertical shaft hydroelectric generating set according to claim 1, wherein: the screw joint channel (10) penetrates through two opposite ends of the nut column (1).

3. The axis adjusting assembly of a vertical shaft hydroelectric generating set according to claim 1, wherein: the end edge of one end, deviating from the nut column (1), of the bolt column (3) is a round angle.

4. A vertical shaft hydroelectric generating set axis adjusting assembly according to claim 3, wherein: bolt post (3) are including screw thread section (31), nut section (33) and circular arc section (34), be equipped with the screw thread on screw thread section (31), screw thread section (31) removable spiro union passageway (10), nut section (33) are connected screw thread section (31) deviate from the one end of nut post (1), circular arc section (34) are connected nut section (33) deviate from the one end of nut post (1), circular arc section (34) deviate from the end edge of the one end of nut section (33) is the fillet.

5. The axis adjusting assembly of a vertical shaft hydroelectric generating set according to claim 4, wherein: the bolt column (3) further comprises an extension section (32), and the nut section (33) is connected with the threaded section (31) through the extension section (32).

6. The axis adjusting assembly of a vertical shaft hydroelectric generating set according to claim 4, wherein: the nut section (33) is a quadrilateral nut.

7. The axis adjusting assembly of a vertical shaft hydroelectric generating set according to claim 4, wherein: the nut section (33) is a hexagonal nut.

8. The axis adjusting assembly of a vertical shaft hydroelectric generating set according to claim 1, wherein: the threads on the bolt columns (3) are fine threads.