CN205280287U - Aeroengine barycenter measuring device - Google Patents

Aeroengine barycenter measuring device Download PDF

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Publication number
CN205280287U
CN205280287U CN201520948900.9U CN201520948900U CN205280287U CN 205280287 U CN205280287 U CN 205280287U CN 201520948900 U CN201520948900 U CN 201520948900U CN 205280287 U CN205280287 U CN 205280287U
Authority
CN
China
Prior art keywords
screw rod
connection block
scale
tool rest
hanging beam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520948900.9U
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Chinese (zh)
Inventor
洪艳霞
李晓含
赫亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC Shenyang Liming Aero Engine Co Ltd
Original Assignee
Shenyang Liming Aero Engine Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang Liming Aero Engine Group Co Ltd filed Critical Shenyang Liming Aero Engine Group Co Ltd
Priority to CN201520948900.9U priority Critical patent/CN205280287U/en
Application granted granted Critical
Publication of CN205280287U publication Critical patent/CN205280287U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an aeroengine barycenter measuring device, include: preceding lug, fore -stock, adjusting nut, focus adjusting screw, hanging beam, blade holder, screw rod, counter weight, lifting hook, vertical needle, connecting seat, dish bracing piece, horizontal pointer, calibrated scale, after -poppet, connecting plate, back lug, angle adjusting plate, take taper pin axle, bearing, fixed pin, scale, vernier scale, round pin axle, the under shed of blade holder passes the hanging beam to be connected with focus adjusting screw's right -hand member, and the upper shed and the connecting seat of blade holder are connected, and the lifting hook is connected with the connecting seat, and the connecting seat left side is connected with the screw rod, is equipped with the counter weight on the screw rod, and the vertical needle is connected with the connecting seat, and the right -hand member and the horizontal pointer of connecting seat are connected, and dish bracing piece one end is connected with the blade holder, and the other end is connected with the calibrated scale, is equipped with scale and vernier scale between hanging beam and the blade holder. The utility model discloses the precision is high, and interchangeability is strong, have measure with hoist and mount function, can accomplish the engine perpendicularly and the barycenter position survey of fire hole of horizontal direction.

Description

A kind of aircraft engine center mass measuring device
Technical field
The utility model belongs to aircraft engine field, a kind of aircraft engine center mass measuring device of special offer.
Background technology
Aircraft engine is when dispatching from the factory payment, it is necessary to fills in its actual centroid position in examining report, just can carry out package. The method that other engine producer domestic generally adopts is all sling by engine with special engine suspender, makes engine reach complete level by adding counterweight block, then measures weight mass, determines centroid position by calculating. This kind of measuring method needs the counterweight block of multiple different mass for subsequent use, and measuring result precision is not high, and can only measure the level attitude of barycenter, cannot measure longitudinal position of barycenter. Because wanting repetition test counterweight block, complicated operation, also easily there is security incident when adding counterweight block. In addition, often kind of model engine all will corresponding to the special hanger of same model, it does not have interchangeability, namely wastes manufacturing cost, makes again workshop take up an area nervous, is inconvenient to manage. Along with the development of aviation industry, mass center measurement precision is also improved by new work engine thereupon, consequently, it is desirable to a kind of measuring accuracy height, simple to operate, can be applicable to many types of number, integrate the novel aircraft engine center mass measuring device of measurement and lifting function.
Practical novel content
The purpose of this utility model is to provide a kind of aircraft engine center mass measuring device, can effectively solve the problem.
The technical solution of the utility model is: a kind of aircraft engine center mass measuring device, comprising: front hanger 1, front support 2, setting nut 3, center of gravity regulate screw rod 4, hanging beam 5, tool rest 6, screw rod 7, counterweight 8, suspension hook 9, vertical pointer 10, Connection Block 11, dish support bar 12, horizontal pointer 13, scale card 14, after poppet 15, web plate 16, rear hanger 18, angle adjustment plate 20, band taper pin axle 21, bearing 22, tumbler pin 23, graduated scale 25, vernier scale 26, bearing pin 28;
Described front support 2 and after poppet 15 are located at the two ends, left and right of hanging beam 5, described front hanger 1 is located at front support 2 bottom, described web plate 16 connects rear hanger 18 and is located at after poppet 15 bottom, described center of gravity regulates screw rod 4 through the middle open holes of hanging beam 5 left end, described center of gravity regulates screw rod 4 to be provided with two setting nuts 3, the setting nut 3 on right side is axially located, the lower opening of described tool rest 6 also regulates the right-hand member of screw rod 4 to be connected by bearing pin 28 and center of gravity through the central sill of hanging beam 5, the upper shed of described tool rest 6 is connected by band taper pin axle 21 with Connection Block 11, described suspension hook 9 is connected by band taper pin axle 21 with Connection Block 11, it is provided with angle adjustment plate 20 between described band taper pin axle 21 and the hole of Connection Block 11, described angle adjustment plate 20 contacts with the sharp wimble fraction of band taper pin axle 21, it is connected with screw rod 7 by pin on the left of described Connection Block 11, described screw rod 7 is provided with counterweight 8, described vertical pointer 10 is connected with Connection Block 11 by tumbler pin 23, it is provided with bearing 22 between described vertical pointer 10 and tumbler pin 23, right-hand member and the horizontal pointer 13 of described Connection Block 11 are connected and fixed, described dish support bar 12 one end and tool rest 6 are connected and fixed, the other end and scale card 14 are connected and fixed, the graduated scale 25 cooperatively interacted and vernier scale 26 it is provided with between described hanging beam 5 and tool rest 6.
Preferably, described front hanger 1 quantity is two, and described two front hangers 1 are connected by joint pin about 17, and front hanger 1 bottom of described lower end is provided with open holes, installs limit by joint bolt 19 and engine and is connected.
Preferably, described rear hanger 18 bottom is provided with open holes, installs limit by joint bolt 19 and engine and is connected.
Preferably, described tool rest 6 upper right is provided with projection, and described Connection Block 11 is provided with the steady brace 24 swinging amplitude with male cooperation for limiting Connection Block 11.
Preferably, the lower opening left end of described tool rest 6 regulates the right-hand member of screw rod 4 to be connected by bearing pin 28 tie spacer 27 and center of gravity, and the lower opening right-hand member of described tool rest 6 coordinates the connection of fixing pad 29 by bearing pin 28.
The utility model has following useful effect:
The utility model aircraft engine center mass measuring device precision height, simple, convenient, there is good interchangeability, many types of number can be applicable to, integrate measurement and lifting function, it is possible to complete engine centroid position that is vertical and level two directions and measure.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the B-B sectional view of Fig. 1;
Fig. 5 is the C-C sectional view of Fig. 1;
Fig. 6 is the D-D sectional view of Fig. 1;
Fig. 7 is the E-E sectional view of Fig. 1;
Fig. 8 is the F-F sectional view of Fig. 2;
In figure: 1, front hanger; 2, front support; 3, setting nut; 4, center of gravity regulates screw rod; 5, hanging beam; 6, tool rest; 7, screw rod; 8, counterweight; 9, suspension hook; 10, vertical pointer; 11, Connection Block; 12, dish support bar; 13, horizontal pointer; 14, scale card; 15, after poppet; 16, web plate; 17, joint pin; 18, rear hanger; 19, joint bolt; 20, angle adjustment plate; 21, band taper pin axle; 22, bearing; 23, tumbler pin; 24, steady brace; 25, graduated scale; 26, vernier scale; 27, pad; 28, bearing pin; 29, fixing pad.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in figures 1-8, a kind of aircraft engine center mass measuring device, comprising: front hanger 1, front support 2, setting nut 3, center of gravity regulate screw rod 4, hanging beam 5, tool rest 6, screw rod 7, counterweight 8, suspension hook 9, vertical pointer 10, Connection Block 11, dish support bar 12, horizontal pointer 13, scale card 14, after poppet 15, web plate 16, joint pin 17, rear hanger 18, joint bolt 19, angle adjustment plate 20, band taper pin axle 21, bearing 22, tumbler pin 23, graduated scale 25, vernier scale 26, pad 27, bearing pin 28, fixing pad 29;
Hanging beam 5, for supporting engines complete machine and device own wt, also plays the effect of connection, fixing front support 2 and after poppet 15;
At front support, two front hangers 1 are installed for 2 times, have linked together with joint pin 17, the hole of joint bolt 19 below front hanger 1, be connected for installing limit with engine;
There are web plate 16 and rear hanger 18 at after poppet for 15 times, it are interconnected by joint pin 17, the hole of joint bolt 19 below rear hanger 18, be connected for installing limit with engine;
Center of gravity regulates screw rod 4 through the middle open holes of hanging beam 5 left end, regulate in center of gravity and screw rod 4 is installed two setting nuts 3, the setting nut 3 on right side is axially located, rotating right side setting nut 3, drive center of gravity to regulate screw rod 4 to move axially, coupled tool rest 6 slides along hanging beam 5, it is used for finding accurately the centroid position of engine, and after having looked for barycenter, regulate screw rod 4 to lock center of gravity with left side setting nut 3, no longer move;
The lower opening of tool rest 6 is through the central sill of hanging beam 5, the lower opening left end of tool rest 6 regulates the right-hand member of screw rod 4 to be connected by bearing pin 28 tie spacer 27 and center of gravity, the lower opening right-hand member of tool rest 6 coordinates the connection of fixing pad 29 by bearing pin 28, makes it not deviate from by locking bearing pin 28;
Tool rest 6 upper right is provided with projection, and Connection Block 11 is provided with the steady brace 24 swinging amplitude with male cooperation for limiting Connection Block 11;
The upper shed of tool rest 6 is connected by band taper pin axle 21 with Connection Block 11, is provided with angle adjustment plate 20 between the hole on band taper pin axle 21 and Connection Block 11, contacts with the sharp wimble fraction on band taper pin axle 21, can ensure the accuracy of centroid measurement;
Suspension hook 9 is connected with the hole on Connection Block 11 by band taper pin axle 21, is provided with angle adjustment plate 20 equally between the hole on band taper pin axle 21 and Connection Block 11, ensures the accuracy of centroid measurement;
It is connected with screw rod 7 by pin on the left of Connection Block 11, screw rod 7 has counterweight 8, by adjusting the position of counterweight 8, make each part maintenance level in suspension hook about 9 two ends;
Vertical pointer 10 is connected with Connection Block 11 by tumbler pin 23, has installed bearing 22 between vertical pointer 10 and tumbler pin 23, vertical pointer 10 can be made to freely swing, be conducive to the accuracy of centroid measurement;
Right-hand member and the horizontal pointer 13 of Connection Block 11 are fixed by screw;
Dish support bar 12 and tool rest 6 are fixed by screw, and scale card 14 screw and dish support bar 12 are fixed together, when carrying out barycenter vertical position and measure for angle orientation;
The graduated scale 25 and vernier scale 26 that cooperatively interact it is provided with between hanging beam 5 and tool rest 6.
The utility model using method is as follows:
During first this device of use, measuring apparatus self quality and centroid position. This device mass measuring method: the quality removing this device after suspension hook 9 measured by the balance that application precision is not less than 3 grades. This device centroid position measuring method: remove hanging beam 5 with lower part, sling with crane, the position of adjustment counterweight 8 on screw rod 7, until the tip of vertical pointer 10 overlaps completely with the groove on Connection Block 11, zero graduation line on horizontal pointer 13 termination scale marks and scale card 14 overlaps completely, counterweight 8 is locked; Install hanging beam 5 with lower part, with crane, whole device zero load is sling, rotating adjusting nut 3, until the tip of vertical pointer 10 overlaps completely with the groove on Connection Block 11, zero graduation line on horizontal pointer 13 termination scale marks and scale card 14 overlaps completely, from graduated scale 25 and vernier scale 26 reading. By as above method tie-in three times, average and it is this device horizontal direction barycenter numerical value. This numerical value only needs to measure once when first use, calculates as long as directly substitute into the work formula established by these data later.
After the centroid position measurement of device self completes, Mass Center of Engines measurement will be carried out. When carrying out Mass Center of Engines and measure, to first measure its centroid position in the horizontal direction, then measure its centroid position in the vertical direction.
Engine horizontal direction centroid position measuring method: measuring apparatus winched to engine position with crane, slowly fall, after front hanger 1 in device, rear hanger 18 are connected with engine installation limit joint bolt 19, engine is sling by crane together with measuring apparatus entirety, rotating adjusting nut 3, until the tip of vertical pointer 10 overlaps completely with the groove on Connection Block 11, zero graduation line on horizontal pointer 13 termination scale marks and scale card 14 overlaps completely, from graduated scale 25 and vernier scale 26 reading. By as above method tie-in three times, average, substitute in technological process the formula established, calculate engine horizontal direction centroid position.
Engine vertical direction centroid position measuring method: rotate counterweight 8,5 �� of scale markss on horizontal pointer 13 termination scale marks and scale card 14 are overlapped completely, y5 �� of value is sought by formula, repeat above step, measure y7 �� of value and y9 �� of value respectively, seek its mean number, bring the formula established in technological process into, calculation result. By as above method tie-in three times, average, it is engine vertical direction centroid position.
Through said process, measurement terminates, and result charges to archives.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this. All equivalences done according to the utility model spirit change or modify, and all should be encompassed within protection domain of the present utility model.

Claims (5)

1. an aircraft engine center mass measuring device, it is characterized in that, comprise: front hanger (1), front support (2), setting nut (3), center of gravity regulates screw rod (4), hanging beam (5), tool rest (6), screw rod (7), counterweight (8), suspension hook (9), vertical pointer (10), Connection Block (11), dish support bar (12), horizontal pointer (13), scale card (14), after poppet (15), web plate (16), rear hanger (18), angle adjustment plate (20), band taper pin axle (21), bearing (22), tumbler pin (23), graduated scale (25), vernier scale (26), bearing pin (28),
Described front support (2) and after poppet (15) are located at the two ends, left and right of hanging beam (5), described front hanger (1) is located at front support (2) bottom, described web plate (16) connects rear hanger (18) and is located at after poppet (15) bottom, described center of gravity regulates screw rod (4) through the middle open holes of hanging beam (5) left end, described center of gravity regulates screw rod (4) to be provided with two setting nuts (3), the setting nut (3) on right side is axially located, the lower opening of described tool rest (6) also regulates the right-hand member of screw rod (4) to be connected by bearing pin (28) and center of gravity through the central sill of hanging beam (5), the upper shed of described tool rest (6) is connected by band taper pin axle (21) with Connection Block (11), described suspension hook (9) is connected by band taper pin axle (21) with Connection Block (11), it is provided with angle adjustment plate (20) between described band taper pin axle (21) and the hole of Connection Block (11), described angle adjustment plate (20) contacts with the sharp wimble fraction of band taper pin axle (21), described Connection Block (11) left side is connected with screw rod (7) by pin, described screw rod (7) is provided with counterweight (8), described vertical pointer (10) is connected with Connection Block (11) by tumbler pin (23), it is provided with bearing (22) between described vertical pointer (10) and tumbler pin (23), right-hand member and the horizontal pointer (13) of described Connection Block (11) are connected and fixed, described dish support bar (12) one end and tool rest (6) are connected and fixed, the other end and scale card (14) are connected and fixed, the graduated scale (25) and vernier scale (26) that cooperatively interact it is provided with between described hanging beam (5) and tool rest (6).
2. according to a kind of aircraft engine center mass measuring device according to claim 1, it is characterized in that, described front hanger (1) quantity is two, described two front hangers (1) are connected up and down by joint pin (17), front hanger (1) bottom of described lower end is provided with open holes, installs limit by joint bolt (19) and engine and is connected.
3. according to a kind of aircraft engine center mass measuring device according to claim 1, it is characterised in that, described rear hanger (18) bottom is provided with open holes, installs limit by joint bolt (19) and engine and is connected.
4. according to a kind of aircraft engine center mass measuring device according to claim 1, it is characterized in that, described tool rest (6) upper right is provided with projection, and described Connection Block (11) is provided with male cooperation for limiting the steady brace (24) of Connection Block (11) swing amplitude.
5. according to a kind of aircraft engine center mass measuring device according to claim 1, it is characterized in that, the lower opening left end of described tool rest (6) regulates the right-hand member of screw rod (4) to be connected by bearing pin (28) tie spacer (27) and center of gravity, and the lower opening right-hand member of described tool rest (6) coordinates fixing pad (29) to connect by bearing pin (28).
CN201520948900.9U 2015-11-24 2015-11-24 Aeroengine barycenter measuring device Expired - Fee Related CN205280287U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520948900.9U CN205280287U (en) 2015-11-24 2015-11-24 Aeroengine barycenter measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520948900.9U CN205280287U (en) 2015-11-24 2015-11-24 Aeroengine barycenter measuring device

Publications (1)

Publication Number Publication Date
CN205280287U true CN205280287U (en) 2016-06-01

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109387330A (en) * 2018-11-27 2019-02-26 中国航空工业集团公司洛阳电光设备研究所 A kind of static balance measuring device and Calculate Ways
CN110440984A (en) * 2019-08-15 2019-11-12 北京控制工程研究所 A kind of spacecraft centroid separate-blas estimation precision estimation method
CN115855370A (en) * 2023-02-17 2023-03-28 中国航发沈阳发动机研究所 Device and method for measuring gravity center position of aircraft engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109387330A (en) * 2018-11-27 2019-02-26 中国航空工业集团公司洛阳电光设备研究所 A kind of static balance measuring device and Calculate Ways
CN110440984A (en) * 2019-08-15 2019-11-12 北京控制工程研究所 A kind of spacecraft centroid separate-blas estimation precision estimation method
CN110440984B (en) * 2019-08-15 2021-06-11 北京控制工程研究所 Spacecraft centroid deviation detection precision estimation method
CN115855370A (en) * 2023-02-17 2023-03-28 中国航发沈阳发动机研究所 Device and method for measuring gravity center position of aircraft engine

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6

Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company

Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6

Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160601

Termination date: 20201124