阅读说明：本技术 一种快速确定轴系镗孔中心圆的方法 (Method for quickly determining center circle of shaft system boring hole ) 是由 邓卫国 江贤志 王祥 马庚富 卢国兴 于 2020-12-15 设计创作，主要内容包括：本发明公开了一种快速确定轴系镗孔中心圆的方法,涉及轴系镗孔技术领域,主要解决确定轴系镗孔中心圆效率低的技术问题,所述方法包括：在光靶本体的外围设置多个径向延伸的固定件；在光靶本体的中心设置可以拆卸的靶心；将光靶本体放置在轴毂内,并使多个固定件同时接触轴毂的内壁以将光靶本体固定；将轴系中心点用激光打在靶心上；在靶心上的激光点轻敲样冲得到样冲眼；用圆规通过样冲眼画出轴系的镗孔中心圆。本发明通过在光靶本体设置固定件、靶心,将轴系中心点用激光打在靶心上,并在激光点轻敲样冲得到样冲眼,再用圆规通过样冲眼可以快速画出轴系的镗孔中心圆,操作简单、效率高、精度高。(The invention discloses a method for quickly determining a central circle of a shaft system boring hole, which relates to the technical field of shaft system boring holes and mainly solves the technical problem of low efficiency of determining the central circle of the shaft system boring hole, and the method comprises the following steps: a plurality of fixing pieces extending in the radial direction are arranged on the periphery of the optical target body; a detachable target center is arranged at the center of the light target body; placing the optical target body in the shaft hub, and enabling a plurality of fixing pieces to simultaneously contact the inner wall of the shaft hub so as to fix the optical target body; the center point of the shaft system is shot on the target center by laser; tapping the sample on the laser point on the target center to obtain a sample punching hole; and drawing a bore hole central circle of a shaft system by using compasses through a sample punching hole. According to the invention, the fixing piece and the target center are arranged on the light target body, the center point of the shaft system is shot on the target center by laser, the sample punching hole is obtained by tapping the laser point on the sample punching hole, and the boring hole center circle of the shaft system can be rapidly drawn by the compasses through the sample punching hole, so that the operation is simple, the efficiency is high, and the precision is high.)

1. A method for quickly determining a central circle of a shaft system boring hole is characterized by comprising the following steps:

a plurality of fixing pieces (2) extending in the radial direction are arranged on the periphery of the optical target body (1);

a detachable target center (3) is arranged at the center of the optical target body (1);

placing the optical target body (1) in a shaft hub (4), and enabling a plurality of fixing pieces (2) to simultaneously contact the inner wall of the shaft hub (4) to fix the optical target body (1);

a shaft system central point is shot on the target center (3) by laser;

tapping a laser spot on the target center (3) to obtain a sample eye;

and drawing a boring center circle of the shaft system through the sample punching hole by using compasses.

2. The method for rapidly determining the central circle of a shaft system boring hole as claimed in claim 1, wherein the fixing member (2) comprises a threaded sleeve (5) fixedly connected with the optical target body (1), and a fixing rod (6) screwed in the threaded sleeve (5).

3. The method for rapidly determining the center circle of a shaft system boring hole as claimed in claim 2, wherein a twisting part (7) is arranged in the middle of the fixing rod (6).

4. The method for rapidly determining the center circle of a shaft system boring hole is characterized in that one end, far away from the threaded sleeve (5), of the fixing rod (6) is provided with a rotatably connected jacking plate (8), the jacking plate (8) extends along the axial direction of the shaft hub (4), and one side, in contact with the inner wall of the shaft hub (4), of the jacking plate (8) is provided with an arc-shaped surface (9).

5. The method for rapidly determining the center circle of a shaft system boring hole as claimed in claim 1, wherein the center of the optical target body (1) is provided with a mounting hole (10) for mounting the target center (3).

6. The method for rapidly determining the center circle of a shaft-system boring hole as claimed in claim 5, wherein the mounting hole (10) penetrates through two sides of the optical target body (1), the mounting hole (10) is a stepped hole with a large end and a small end, and the target center (3) is mounted at the large end of the mounting hole (10).

7. The method for rapidly determining the central circle of a shaft system boring hole is characterized in that a transition fit or an interference fit is adopted between the target center (3) and the mounting hole (10).

Technical Field

The invention relates to the technical field of shaft system boring, in particular to a method for quickly determining a central circle of a shaft system boring.

Background

The quality of shafting centering quality influences the load distribution of each bearing groove, the poor centering can produce periodic alternating acting force, the stable operation of a unit and the service life of equipment are directly influenced, and the improvement of system precision and working efficiency is restricted.

In the shaft system boring processing, when the center line of the shaft system is collimated by laser, as shown in fig. 1, a graduation line is arranged on a light target a, and the light target a adjusts the position of the light target a in a shaft hub C through an adjusting screw B to find the center so as to determine a center circle. This approach has the problems of low efficiency, poor accuracy and great difficulty.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and aims to provide a method for quickly determining a central circle of a shaft system boring hole, which can improve efficiency and precision and is convenient to operate.

The technical scheme of the invention is as follows: a method for quickly determining a center circle of a shaft system boring hole comprises the following steps:

a plurality of fixing pieces extending in the radial direction are arranged on the periphery of the optical target body;

a detachable target center is arranged at the center of the optical target body;

placing the optical target body in a hub, and enabling a plurality of fixing pieces to simultaneously contact the inner wall of the hub so as to fix the optical target body;

a shaft system central point is shot on the target center by laser;

tapping a sample on the laser point on the target center to obtain a sample punching hole;

and drawing a boring center circle of the shaft system through the sample punching hole by using compasses.

As a further improvement, the fixing piece comprises a threaded sleeve fixedly connected with the light target body and a fixing rod screwed in the threaded sleeve.

Furthermore, the middle part of the fixed rod is provided with a twisting part.

Further, the dead lever is kept away from the one end of thread bush is equipped with the tight board in top of rotation connection, the tight board in top is followed the axial extension of shaft hub, the tight board in top with one side of shaft hub inner wall contact is equipped with the arcwall face.

Furthermore, the center of the light target body is provided with a mounting hole for mounting the target center.

Further, the mounting hole runs through the both sides of light target body, the mounting hole is the shoulder hole that one end is big, the other end is little, the bull's eye install the one end that the mounting hole is big.

Further, transition fit or interference fit is adopted between the target and the mounting hole.

Advantageous effects

Compared with the prior art, the invention has the advantages that:

according to the invention, the fixing piece and the target center are arranged on the light target body, the center point of the shaft system is shot on the target center by laser, the sample punching hole is obtained by tapping the laser point on the sample punching hole, and the boring hole center circle of the shaft system can be rapidly drawn by the compasses through the sample punching hole, so that the operation is simple, the efficiency is high, and the precision is high.

Drawings

FIG. 1 is a schematic diagram of a conventional structure;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is a schematic structural view of a top tightening plate according to the present invention;

fig. 5 is a left side view of the tightening plate according to the present invention.

Wherein: 1-light target body, 2-fixing piece, 3-target center, 4-shaft hub, 5-thread sleeve, 6-fixing rod, 7-screwing part, 8-top tightening plate, 9-arc surface and 10-mounting hole.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 2-5, a method for quickly determining a central circle of a bore hole of a shaft system includes:

a plurality of fixing pieces 2 extending in the radial direction are arranged on the periphery of the optical target body 1;

a detachable target 3 is arranged at the center of the optical target body 1;

placing the optical target body 1 in the shaft hub 4 and causing the plurality of fixing pieces 2 to simultaneously contact the inner wall of the shaft hub 4 to fix the optical target body 1;

the central point of the shaft system is shot on the target center 3 by laser;

tapping a laser spot on the target center 3 to obtain a sample punching hole;

and drawing a bore hole central circle of a shaft system by using compasses through a sample punching hole.

In this embodiment, the fixing member 2 includes a threaded sleeve 5 fixedly connected to the light target body 1, and a fixing rod 6 screwed into the threaded sleeve 5. Specifically, an internal thread is arranged in the thread bushing 5, an external thread is arranged on the fixing rod 6, and the external thread is screwed in the internal thread. The middle part of the fixing rod 6 is provided with a twisting part 7, so that the fixing rod 6 can be conveniently twisted by hands or a spanner to adjust the extending length of the fixing rod 6.

In other embodiments, the one end that threaded sleeve 5 was kept away from to dead lever 6 is equipped with the tight board 8 in top of rotation connection, and the axial extension of tight board 8 along shaft hub 4 in top, and the tight board 8 in top is equipped with arcwall face 9 with one side of shaft hub 4 inner wall contact, because be the face contact between the tight board 8 in top and the inner wall of shaft hub 4, stability is better to can guarantee the straightness that hangs down between light target body 1 and the shaft hub 4. The periphery of the thread bush 5 is provided with scale marks which are arranged axially, the bottom of the screwing part 7 is provided with a pointer which extends towards the light target body 1, and when the fixed rod 6 is screwed to the lowest point, the lowest end of the pointer corresponds to the lowest position of the scale marks. The consistency of the extending length of each fixing rod 6 can be conveniently adjusted through the pointer and the scale marks.

The center of the light target body 1 is provided with a mounting hole 10 for mounting the target 3, and the axis of the mounting hole 10 is coincident with the axis of the light target body 1. The both sides of light target body 1 are run through to mounting hole 10, and mounting hole 10 is the shoulder hole that one end is big, the other end is little, and the bull's-eye 3 is installed in the big one end of mounting hole 10, is transition fit or interference fit between bull's-eye 3 and the mounting hole 10, and interference fit's interference is less, can guarantee bull's-eye 3 and mounting hole 10 precision fit to guarantee the precision. When the target center 3 is disassembled, the disassembling target center 3 only needs to be ejected out from the small end of the mounting hole 10, and the operation is simple.

According to the invention, the fixing piece and the target center are arranged on the light target body, the center point of the shaft system is shot on the target center by laser, the sample punching hole is obtained by tapping the laser point on the sample punching hole, and the boring hole center circle of the shaft system can be rapidly drawn by the compasses through the sample punching hole, so that the operation is simple, the efficiency is high, and the precision is high.

The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.