CN213812030U

CN213812030U - In-situ measurement jumping device for revolving body part

Info

Publication number: CN213812030U
Application number: CN202120005589.XU
Authority: CN
Inventors: 张延�; 陈栋权; 潘泽宇; 徐尧
Original assignee: AECC Commercial Aircraft Engine Co Ltd
Current assignee: AECC Commercial Aircraft Engine Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-07-27
Anticipated expiration: 2031-01-04

Abstract

The utility model provides a revolving body part in-situ measurement jumping device, which comprises a supporting disk, a positioning disk, a rotating rod, a bracket and a meter frame, wherein the positioning disk is arranged on the supporting disk; the rotating rod and the support penetrate through the rotating disc, the positioning disc and the supporting disc, the lower part of the meter frame is connected with the upper end face of the rotating disc, the support is rotatably connected with the rotating rod, the upper part of the support is connected with the upper end face of the rotating disc, and the meter frame is positioned above the support; the top and the bottom of dwang are provided with a measuring pin respectively, and the upper portion of table frame is provided with measuring component, and the measuring pin that is located the top of dwang contacts with measuring component, and the measuring pin that is located the bottom of dwang contacts with the part that awaits measuring. The utility model discloses under the condition of not disassembling, hoist and mount spare part, the normal position is measured beating of part, and then calculates the concentricity under the subassembly state, uses portably, has improved assembly efficiency.

Description

In-situ measurement jumping device for revolving body part

Technical Field

The utility model relates to an aeroengine field, in particular to solid of revolution part normal position measurement run-out device.

Background

In the prior art, in the assembly process of an aero-engine, concentricity measurement of a rotor unit body, concentricity measurement of a rotor single piece, concentricity measurement of a stator unit body, concentricity measurement of a whole machine false assembly state, concentricity measurement of a whole machine assembly state and the like need to be controlled. The general method is to fix an object to be measured on a rotary table, but sometimes the object is limited by objective conditions, and the measured component cannot be hung on the rotary table for measurement.

The following technical problems need to be solved in the assembly process of the existing aero-engine:

firstly, measuring the bounce amount of a revolution of the revolving body under the condition that the revolving body keeps the original position unchanged;

secondly, the radial run-out or the end face run-out of the long, narrow and deep part is measured;

and thirdly, the consistency of the measurement precision and the measurement result needs to be ensured, and the assembly process requirements of the aero-engine are met.

In view of the above, those skilled in the art have devised an in-situ run-out measuring device for a revolving body component, in order to overcome the above technical problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is in order to overcome aeroengine assembling process among the prior art, the unable fixed hoist and mount subassembly of revolving stage carries out the measuring defect, provides a solid of revolution part normal position measurement run-out device.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

the in-situ measurement jumping device for the revolving body part is characterized by comprising a supporting plate, a positioning plate, a rotating rod, a support and a gauge stand, wherein the positioning plate is arranged on the supporting plate;

the rotating rod and the support penetrate through the rotating disc, the positioning disc and the supporting disc, the lower part of the meter frame is connected with the upper end face of the rotating disc, the support is rotatably connected with the rotating rod, the upper part of the support is connected with the upper end face of the rotating disc, and the meter frame is positioned above the support;

the top end and the bottom end of the rotating rod are respectively provided with a measuring pin, the upper part of the meter frame is provided with a measuring component, the measuring pin positioned at the top end of the rotating rod is contacted with the measuring component, and the measuring pin positioned at the bottom end of the rotating rod is contacted with the part to be measured;

through the rolling disc drives the support, the dwang with the table frame rotates together, by the runout volume of the part that awaits measuring promotes the measuring pin is in the displacement volume in the table frame to demonstrate on the measuring component the runout value of the part that awaits measuring.

According to the utility model discloses an embodiment, measuring component includes percentage table and round pin spare, the percentage table is installed the upper portion of table frame, round pin spare sets up the upper portion of table frame, the one end of round pin spare with the percentage table contact, the other end with the measuring pin contact on the top of dwang.

According to the utility model discloses an embodiment, the upper portion of table frame is provided with first connection stand and the second connection stand that is parallel to each other, the percentage table is installed on the first connection stand, the round pin spare is installed on the second connection stand.

According to the utility model discloses an embodiment, the lower part of support is provided with a pair of rotation connecting portion, through rotate connecting portion with the dwang rotates to be connected.

According to the utility model discloses an embodiment, rotate connecting portion with rotate through axostylus axostyle, bearing and lock nut between the dwang and be connected.

According to the utility model discloses an embodiment, be provided with a top tight screw on the dwang, just the one end of top tight screw is inserted in the locating hole on the axostylus axostyle, be used for preventing the dwang with relative rotation between the axostylus axostyle.

According to the utility model discloses an embodiment, the upper portion of support is provided with a pair of horizontally extending's installation pole, the installation pole with the rolling disc is connected fixedly.

According to the utility model discloses an embodiment, a ejector pin is installed to the bottom of support, the ejector pin with the dwang offsets, the cover is equipped with a spring on the ejector pin, the spring is located the ejector pin with between the support.

According to the utility model discloses an embodiment, install a handle on the rolling disc for drive the rolling disc rotates.

According to the utility model discloses an embodiment, the positioning disk pass through screw rod, locating pin, packing ring and nut with the supporting disk is fixed.

The utility model discloses an actively advance the effect and lie in:

the utility model discloses solid of revolution part normal position measurement run-out device has following a great deal of advantage:

the in-situ measurement jumping device for the revolving body part provides a possibility that the jumping of the part is measured in situ under the condition of not disassembling and hoisting the part, so that the concentricity of the part in the state of the part is calculated, the use is simple and convenient, the assembly efficiency is improved,

and secondly, providing a jump measuring method for a long, narrow and deep space which is difficult to measure by the turntable.

And thirdly, the measurement precision and the consistency of the measurement result are ensured.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout,

wherein:

fig. 1 is the utility model discloses solid of revolution part normal position measurement run-out device's stereogram.

Fig. 2 is the utility model discloses solid of revolution part normal position measurement is beated device and is transferred installation sketch map of rotary disk, support and table frame.

Fig. 3 is the utility model discloses solid of revolution part normal position measurement run-out device's top view.

Fig. 4 is a cross-sectional view taken along line a-a of fig. 3.

Fig. 5 is the assembly structure sketch map of transfer rod, support and table frame in the solid of revolution part normal position measurement run-out device of the utility model.

Fig. 6 is the structural schematic diagram of the support in the in-situ measurement jumping device for the revolving body parts of the present invention.

Fig. 7 is the structure schematic diagram of the transfer rod in the in-situ measurement jumping device for the revolving body parts of the present invention.

Fig. 8 is the structure schematic diagram of the meter frame in the in-situ measurement jumping device for the revolving body part of the present invention.

Fig. 9 is the schematic structural diagram of the beating device axis for in-situ measurement of revolving body parts of the present invention.

Fig. 10 is the vertical section of the middle shaft of the in-situ measurement jumping device for the revolving body parts of the present invention.

Fig. 11 is a perspective view of the in-situ measuring and jumping device for the revolving body parts of the present invention.

Fig. 12 is a front view of the in-situ measuring and jumping device for the revolving body parts of the present invention.

Fig. 13 is a cross-sectional view taken along line B-B of fig. 12.

[ reference numerals ]

Support plate 10

Positioning plate 20

Rotating disc 30

Rotating rod 40

Support 50

Watch holder 60

Part to be tested 70

Measuring pin 41

Dial indicator 80

Pin 81

First connecting upright post 61

Second connecting upright 62

Rotation connecting part 51

Shaft rod 42

Bearing 43

Lock nut 44

Jacking screw 45

Mounting bar 52

Top rod 53

Spring 54

Handle 31

Screw 21

Positioning pin 22

Gasket 23

Nut 24

Pin 55

Screws

56, 63

Pin 64

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.

Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.

Fig. 1 is the utility model discloses solid of revolution part normal position measurement run-out device's stereogram. Fig. 2 is the utility model discloses solid of revolution part normal position measurement is beated device and is transferred installation sketch map of rotary disk, support and table frame. Fig. 3 is the utility model discloses solid of revolution part normal position measurement run-out device's top view. Fig. 4 is a cross-sectional view taken along line a-a of fig. 3.

As shown in fig. 1 to 4, the utility model discloses a body of revolution part normal position measurement jumping device, it includes supporting disk 10, positioning disk 20, rolling disc 30, dwang 40, support 50 and table frame 60, installs positioning disk 20 on supporting disk 10, and rolling disc 30 installs on positioning disk 20, and supporting disk 10 and engine part 70 that awaits measuring are connected during the use. The rotating rod 40 and the bracket 50 penetrate through the rotating disk 30, the positioning disk 20 and the supporting disk 10, the lower part of the watch frame 60 is connected with the upper end face of the rotating disk 30, the bracket 50 is rotatably connected with the rotating rod 40, the upper part of the bracket 50 is connected with the upper end face of the rotating disk 30, and the watch frame 60 is positioned above the bracket 50. The top end and the bottom end of the rotating rod 40 are respectively provided with a measuring pin 41, the upper part of the meter frame 60 is provided with a measuring component, the measuring pin 41 positioned at the top end of the rotating rod 40 is in contact with the measuring component, and the measuring pin 41 positioned at the bottom end of the rotating rod 40 is in contact with the part 70 to be measured. The rotating disc 30 drives the bracket 50, the rotating rod 40 and the meter frame 60 to rotate together, and the jumping amount of the part to be measured 70 pushes the displacement amount of the measuring pin 41 in the meter frame 60, so that the jumping value of the part to be measured 70 is displayed on the measuring component.

Preferably, the measuring assembly includes a dial indicator 80 and a pin 81, the dial indicator 80 is installed at an upper portion of the gauge stand 60, the pin 81 is disposed at the upper portion of the gauge stand 60, one end of the pin 81 is in contact with the dial indicator 80, and the other end is in contact with the measuring pin 41 at the top end of the rotating lever 40.

Fig. 5 is the assembly structure sketch map of transfer rod, support and table frame in the solid of revolution part normal position measurement run-out device of the utility model. Fig. 6 is the structural schematic diagram of the support in the in-situ measurement jumping device for the revolving body parts of the present invention. Fig. 7 is the structure schematic diagram of the transfer rod in the in-situ measurement jumping device for the revolving body parts of the present invention. Fig. 8 is the structure schematic diagram of the meter frame in the in-situ measurement jumping device for the revolving body part of the present invention. Fig. 9 is the schematic structural diagram of the beating device axis for in-situ measurement of revolving body parts of the present invention. Fig. 10 is the vertical section of the middle shaft of the in-situ measurement jumping device for the revolving body parts of the present invention.

As shown in fig. 5 to 10, it is preferable that the upper portion of the meter frame 60 is provided with a first connecting post 61 and a second connecting post 62 which are parallel to each other, the dial indicator 80 is mounted on the first connecting post 61, and the pin 81 is mounted on the second connecting post 62.

Preferably, a pair of rotation coupling portions 51 are provided at a lower portion of the bracket 50, and are rotatably coupled to the rotation lever 40 through the rotation coupling portions 51. The rotation connecting portion 51 is rotatably connected to the rotation rod 40 through the shaft rod 42, the bearing 43 and the lock nut 44.

In addition, further, a jacking screw 45 is arranged on the rotating rod 40, and one end of the jacking screw 45 is inserted into a positioning hole in the shaft rod 42, so that relative rotation between the rotating rod 40 and the shaft rod 42 can be prevented, and the reliability of a measuring result is ensured. The upper portion of the bracket 50 is provided with a pair of horizontally extending mounting rods 52, and the mounting rods 52 are fixedly connected to the rotating disc 30.

Preferably, a top rod 53 is installed at the bottom of the bracket 50, the top rod 53 abuts against the rotating rod 40, a spring 54 is sleeved on the top rod 53, and the spring 54 is located between the top rod 52 and the bracket 50.

In addition, a handle 31 is mounted on the rotary disk 30 for rotating the rotary disk 30. The positioning plate 20 is fixed to the support plate 10 by a screw 21, a positioning pin 22, a washer 23 and a nut 24.

Fig. 11 is a perspective view of the in-situ measuring and jumping device for the revolving body parts of the present invention. Fig. 12 is a front view of the in-situ measuring and jumping device for the revolving body parts of the present invention. Fig. 13 is a cross-sectional view taken along line B-B of fig. 12.

As shown in fig. 11 to 13, according to the above structure description, the utility model discloses solid of revolution part normal position measurement jumping device includes: the support plate 10 is matched with an engine through a spigot and fixed by bolts, and the positioning plate 20 is fixed by a screw 21, a positioning pin 22, a washer 23 and a nut 24 after the central position is adjusted. The rotary disk 30 is in close clearance fit with the positioning disk 20 via the stop.

The bracket 50 is fixed on the rotary disc 30 through a pin 55 and a screw 56, the rotating rod 40 is arranged on the bracket 50, the rotating rod 40 is connected through a shaft rod 42, a bearing 43, a jacking screw 45 and a locking nut 44 to enable the rotating rod 40 to have a degree of freedom of rotation, and the ejector rod 53 and the spring 54 ensure the vertical state of the rotating rod 40. The jumping quantity of the measured part is equivalently measured by a lever principle with two completely symmetrical ends.

The rotating lever 40 is provided with two measuring pins 41, one of the measuring pins 41 is in contact with the part to be measured 70, and the other measuring pin 41 is in contact with one end of the pin member 81. While the other end of the pin 81 is in contact with the dial gauge 80. The handle 31 drives the rotating disc 30, the bracket 50 fixed on the rotating disc 30, the rotating rod 40 and the meter frame 60 to rotate together, and then the jumping amount of the part 70 to be measured can push the pin 81 to move in the hole of the meter frame 60 by the displacement amount, so that the jumping value of the measured part is displayed on the dial indicator 80.

The dial gauge 60 is fixed on the rotary disc 30 through a screw 63 and a pin 64, the dial gauge 80 and the pin 81 are arranged on the dial gauge 60, and the jump of the part to be measured is measured through the sliding displacement of the dial gauge 80 and the pin 81 on the dial gauge 60.

The utility model provides a beat and carry out measuring device to zero subassembly under normal position state can not receive the restriction of revolving stage size and fixed mode to beat and measure. Meanwhile, the method can provide data for concentricity of a casing of the whole machine or concentricity calculation after parts are replaced.

The in-situ measurement jumping device for the revolving body part ensures that the rotating disc rotates randomly within the range of 360 degrees by utilizing the mutual matching of the supporting disc, the positioning disc and the rotating disc, so that the jumping of a circle can be measured. The jumping measurement can be realized in a long and narrow and deep space by utilizing a rotating rod (provided with a measuring pin) to go deep into the measured part for measurement. Meanwhile, the measuring precision and the consistency of the measuring result are ensured through special structures and matching tolerances among 4 groups of positioning pins and components.

To sum up, the utility model discloses solid of revolution part normal position measurement run-out device has following a great deal of advantage:

Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.

Claims

1. The in-situ measurement jumping device for the revolving body part is characterized by comprising a supporting plate, a positioning plate, a rotating rod, a support and a gauge stand, wherein the positioning plate is installed on the supporting plate;

2. A rotor part in-situ measurement runout device according to claim 1, wherein said measuring assembly comprises a dial indicator mounted on the upper part of said dial holder and a pin member provided on the upper part of said dial holder, one end of said pin member being in contact with said dial indicator and the other end being in contact with a measuring pin on the top end of said rotating lever.

3. The rotary body part in-situ measurement run-out device as claimed in claim 2, wherein a first connecting upright and a second connecting upright which are parallel to each other are provided at an upper portion of the gauge stand, the dial indicator is mounted on the first connecting upright, and the pin member is mounted on the second connecting upright.

4. The measurement run-out device of a revolving body component in situ according to claim 1, wherein the lower part of the bracket is provided with a pair of rotation connecting parts, and is rotatably connected with the rotation rod through the rotation connecting parts.

5. The rotor part in-situ measurement bouncing device of claim 4, wherein the rotation connecting portion is rotatably connected with the rotation rod through a shaft rod, a bearing and a lock nut.

6. The revolving body component in-situ measurement bouncing device of claim 5, wherein a tightening screw is disposed on the revolving rod, and one end of the tightening screw is inserted into a positioning hole on the shaft rod for preventing relative rotation between the revolving rod and the shaft rod.

7. The apparatus for in-situ measurement of runout of a body component of revolution as claimed in claim 4, wherein said bracket is provided at an upper portion thereof with a pair of horizontally extending mounting rods, said mounting rods being fixedly connected to said rotating disc.

8. A revolving body part in-situ measurement bouncing device as claimed in claim 1, wherein a top bar is mounted at the bottom of the bracket, the top bar abuts against the rotating rod, a spring is sleeved on the top bar, and the spring is located between the top bar and the bracket.

9. The revolving unit in-situ measurement runout device of claim 1, wherein a handle is mounted on said rotating disc for driving said rotating disc to rotate.

10. A rotor part in-situ measurement run-out device as claimed in any one of claims 1-9, wherein said positioning plate is fixed to said support plate by means of screws, positioning pins, washers and nuts.