CN216265527U

CN216265527U - Special tool for centering lengthened shaft

Info

Publication number: CN216265527U
Application number: CN202122564345.8U
Authority: CN
Inventors: 雷文华; 符飞; 文成军
Original assignee: Huaneng Hainan Power Generation Ltd By Share Ltd Nanshan Power Plant
Current assignee: Huaneng Hainan Power Generation Ltd By Share Ltd Nanshan Power Plant
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-12
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a special tool for centering a lengthened shaft, which comprises a base plate, wherein a threaded sleeve is fixed on the base plate, a threaded rod is arranged in the threaded sleeve in a threaded manner, a V-shaped supporting piece is arranged in the threaded sleeve, an upright post is fixed at the lower end of the base plate, a foot margin is fixed at the lower end of the upright post, and the foot margin is fixed on the upright post. The tool disclosed by the utility model is mainly used for supporting and adjusting the shaft workpiece during centering, so that the centering time can be greatly shortened, the lengthened shaft is supported by the V-shaped supporting piece, and the position of the center line can be quickly marked by matching with the centering dial gauge.

Description

Special tool for centering lengthened shaft

Technical Field

The utility model relates to the technical field of alignment of a lengthened shaft, in particular to a special tool for alignment of the lengthened shaft.

Background

A power plant refers to a power plant that converts some form of raw energy into electrical energy for use in stationary facilities or for transportation, such as a thermal, hydraulic, steam, diesel, or nuclear power plant.

For various equipment drives, power equipment such as a motor and the like can not be driven, the equipment is provided with a rotating shaft, and the rotating shaft needs to be maintained when being used regularly.

And there are more axle type parts and longer among the power plant auxiliary machinery equipment, because of lacking specialized tool when overhauing the repacking, lead to centering man-hour extension.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special tool for centering an extension shaft, which aims to solve the problem of centering the extension shaft.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a lengthened shaft centering specialized tool, includes the chassis, fixed embedding has first thread bush on the chassis, first thread bush internal thread is provided with the threaded rod, interference fit has the bearing on the threaded rod, be fixed with V style of calligraphy support piece on the bearing, be fixed with the handle on the threaded rod, the lower extreme on chassis is fixed with the stand, the lower extreme of stand is fixed with the footing, the footing frame is stood on the bottom plate.

Preferably, the V-shaped supporting piece is tightly attached with a connecting block, a central pointer is fixed on the connecting block, and the central pointer can point to the central line after the end of the lengthened shaft is assumed to be concave in the V-shaped supporting piece.

Preferably, the two sides of the chassis are both fixed with a cylinder, and a limiting rod fixed with the V-shaped support piece is sleeved in the cylinder in a sliding manner, so that the vertical movement of the V-shaped support piece can be ensured.

Preferably, be provided with the spacing groove on the inner wall of barrel, be fixed with on the gag lever post and slide the stopper that sets up with the spacing groove, can avoid the condition that the slippage appears with the barrel in gag lever post.

Preferably, a second thread sleeve is fixedly embedded in the foot, and an adjusting screw is arranged in the second thread sleeve in a threaded manner, so that the inclination of the chassis, namely the fine adjustment of the local height can be realized.

Preferably, a disc is fixed at the lower end of the adjusting screw, a rotating seat is fixed on the bottom plate, and the disc and the rotating seat are rotatably arranged to ensure the stability of the rotation of the adjusting screw.

Preferably, the quantity of stand is four, and evenly distributed sets up, guarantees the level stability on chassis from four positive directions.

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

1. the tool provided by the utility model is mainly used for supporting and adjusting the shaft workpiece during centering, so that the centering time can be greatly shortened.

2. The V-shaped support piece is adopted to support the lengthened shaft, and the position of the central line can be quickly marked by matching with the central pointer.

Drawings

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

FIG. 2 is a view of the structure of the V-shaped support of the present invention;

fig. 3 is a schematic view of the distribution of the pillars of the present invention.

In the figure: 1. a chassis; 11. a first threaded sleeve; 12. a threaded rod; 13. a bearing; 14. a V-shaped support; 15. a column; 16. footing; 17. a base plate; 18. a handle; 2. a joining block; 21. a center pointer; 3. a barrel; 31. a limiting rod; 32. a limiting groove; 33. a limiting block; 4. a second threaded sleeve; 41. An adjusting screw; 42. a disc; 43. and (6) rotating the seat.

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 I

Referring to fig. 1, a special tool for centering an elongated shaft comprises a chassis 1, a first threaded sleeve 11 is fixedly embedded in the chassis 1, a threaded rod 12 is arranged in the first threaded sleeve 11, a bearing 13 is in interference fit with the threaded rod 12, a V-shaped support member 14 is fixed on the bearing 13, a handle 18 is fixed on the threaded rod 12, an upright post 15 is fixed at the lower end of the chassis 1, a bottom foot 16 is fixed at the lower end of the upright post 15, and the bottom foot 16 is erected on a bottom plate 17.

Referring to fig. 1, a cylinder 3 is fixed on both sides of a chassis 1, and a limiting rod 31 fixed with a V-shaped support 14 is slidably sleeved in the cylinder 3, so as to ensure the vertical movement of the V-shaped support 14.

Referring to fig. 1, a limiting groove 32 is disposed on an inner wall of the barrel 3, and a limiting block 33 slidably disposed with the limiting groove 32 is fixed on the limiting rod 31, so as to prevent the limiting rod 31 and the barrel 3 from slipping.

This embodiment is used: the limiting rod 31 slides on the barrel 3, can ensure that the V-shaped supporting piece 14 can be roughly adjusted up and down, and is correspondingly placed with the end part of the lengthened shaft.

Example II

Referring to fig. 1, in this embodiment, as further described in embodiment 1, a special tool for centering an elongated shaft includes a chassis 1, a first threaded sleeve 11 is fixedly embedded in the chassis 1, a threaded rod 12 is disposed in the first threaded sleeve 11, a bearing 13 is in interference fit with the threaded rod 12, a V-shaped support 14 is fixed on the bearing 13, a handle 18 is fixed on the threaded rod 12, an upright post 15 is fixed at a lower end of the chassis 1, a bottom foot 16 is fixed at a lower end of the upright post 15, and the bottom foot 16 is erected on a bottom plate 17.

Referring to fig. 1 and 2, the V-shaped support 14 is tightly attached with the connection block 2, and the connection block 2 is fixed with the center pointer 21, so that the center pointer 21 points to the center line after the end of the extension shaft is assumed to be recessed in the V-shaped support 14.

This embodiment is used: the V-shaped support 14 is used for supporting the overhauled shaft workpiece and can support the workpiece with the diameter ranging from 20 CM to 200 CM.

Example III

Referring to fig. 1, this embodiment further illustrates other embodiments, and a special tool for centering an elongated shaft includes a chassis 1, a first threaded sleeve 11 is fixedly embedded in the chassis 1, a threaded rod 12 is disposed in an internal thread of the first threaded sleeve 11, a bearing 13 is in interference fit with the threaded rod 12, a V-shaped support 14 is fixed on the bearing 13, a handle 18 is fixed on the threaded rod 12, an upright post 15 is fixed at a lower end of the chassis 1, a bottom foot 16 is fixed at a lower end of the upright post 15, and the bottom foot 16 is erected on a bottom plate 17.

Referring to fig. 1, a second thread bushing 4 is fixedly embedded in the foot 16, and an adjusting screw 41 is disposed in the second thread bushing 4 through an internal thread, so that the inclination of the chassis 1, that is, the local height can be finely adjusted.

Referring to fig. 1, a disc 42 is fixed at the lower end of the adjusting screw 41, a rotating seat 43 is fixed on the bottom plate 17, and the disc 42 and the rotating seat 43 are rotatably disposed to ensure the stability of the rotation of the adjusting screw 41.

Referring to fig. 1 and 3, the number of the columns 15 is four, and the columns are uniformly distributed, so that the chassis 1 is ensured to be horizontally stable from four positive directions.

This embodiment is used: when the lengthened shaft needs to be centered, the lengthened shaft can be erected and suspended, then the device is butted with the end part of the lengthened shaft, the threaded rod 12 is rotated through the handle 18 to generate relative displacement with the first threaded sleeve 11, the threaded rod 12 and the bearing 13 are matched to rotate, the limiting rod 31 slides in the barrel 3, the V-shaped support piece 14 can be ensured to be roughly adjusted vertically, and the V-shaped support piece and the end part of the lengthened shaft are correspondingly placed.

Then, the adjusting screw 41 is adopted to rotate, so that the disc 42 rotates in the rotating seat 43, the rotating stability of the adjusting screw 41 is ensured, the adjusting screw 41 rotates, the second threaded sleeve 4 moves, a limiting effect is formed by matching the distribution of the four upright posts 15, and the V-shaped supporting piece 14 can realize fine adjustment of inclination in all directions.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 special tool for centering of lengthened shaft, includes chassis (1), its characterized in that: the chassis is characterized in that a first threaded sleeve (11) is fixedly embedded into the chassis (1), a threaded rod (12) is arranged in the first threaded sleeve (11), a bearing (13) is arranged on the threaded rod (12) in an interference fit mode, a V-shaped supporting piece (14) is fixed on the bearing (13), a handle (18) is fixed on the threaded rod (12), a stand column (15) is fixed at the lower end of the chassis (1), bottom feet (16) are fixed at the lower end of the stand column (15), and the bottom feet (16) are erected on a bottom plate (17).

2. The tool as claimed in claim 1, wherein the tool comprises: the V-shaped supporting piece (14) is tightly attached with a connecting block (2), and a central pointer (21) is fixed on the connecting block (2).

3. The tool as claimed in claim 1, wherein the tool comprises: both sides of the chassis (1) are fixed with a barrel (3), and a limiting rod (31) fixed with the V-shaped supporting piece (14) is sleeved in the barrel (3) in a sliding mode.

4. The tool of claim 3, wherein: be provided with spacing groove (32) on the inner wall of barrel (3), be fixed with stopper (33) that slide with spacing groove (32) and set up on gag lever post (31).

5. The tool as claimed in claim 1, wherein the tool comprises: a second threaded sleeve (4) is fixedly embedded in the bottom foot (16), and an adjusting screw (41) is arranged in the second threaded sleeve (4) in an internal thread mode.

6. The tool of claim 5, wherein: the lower end of the adjusting screw (41) is fixed with a disc (42), the bottom plate (17) is fixed with a rotating seat (43), and the disc (42) and the rotating seat (43) are rotatably arranged.

7. The tool as claimed in claim 1, wherein the tool comprises: the quantity of stand (15) is four, and evenly distributed sets up.