CN107225393A - Compressor auxiliary installation device - Google Patents
Compressor auxiliary installation device Download PDFInfo
- Publication number
- CN107225393A CN107225393A CN201710407182.8A CN201710407182A CN107225393A CN 107225393 A CN107225393 A CN 107225393A CN 201710407182 A CN201710407182 A CN 201710407182A CN 107225393 A CN107225393 A CN 107225393A
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- China
- Prior art keywords
- pull bar
- support ring
- auxiliary installation
- installation device
- compressor auxiliary
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of compressor auxiliary installation device, the compressor auxiliary installation device, including support ring, the pull bar in support ring along its axial direction activity setting.Support ring includes resting against the top of the bottom of phonic wheel and support drawing mechanism, pull bar includes the first connection end and the second connection end, compressor auxiliary installation device also includes measuring mechanism and the nut tightening device being movably set in outside pull bar, and nut tightening device is used for the locking nut screwing on low-pressure shaft after the elongation of pull bar is qualified.Pull bar and nut tightening device can be axially movable with respect to support ring, and drawing mechanism presses support ring, while being stretched to pull bar, measuring mechanism is measured to its elongation.After the elongation of pull bar is qualified, nut is tightened by nut tightening device.Above-mentioned compressor auxiliary installation device, it is simple in construction, it can easily tighten locking nut after elongation needed for obtaining low-pressure shaft, it is ensured that turn assembling and meet design requirement, and it is easy to operate.
Description
Technical field
The present invention relates to aero-engine flexible assembly field, especially, it is related to a kind of compressor auxiliary installation device.
Background technology
When certain model engine low-pressure compressor part is assembled, phonic wheel 500 need to be set in low-pressure shaft 600 by reference picture 1
On, then locking nut 700 is tightened on low-pressure shaft 600.When tightening locking nut 700, design drawing requires locking screw
The amount of tightening of mother 700 is weighed with the amount of tension of pull bar, and elongation need to reach 0.7~0.76mm.But scene has no measurement stretching
Amount of tension, can only be converted into corresponding torque, locking nut 700 is tightened by the special tooling of amount during assembling, although
Guarantee assembling quality is connect, but does not meet design drawing requirement.Therefore it is badly in need of designing and processing what a set of auxiliary locking nut was installed
Frock, to ensure that assembling meets design drawing requirement.
The content of the invention
The invention provides a kind of compressor auxiliary installation device, do not met with the assembling for solving locking nut and low-pressure shaft
The technical problem of design drawing requirement.
The technical solution adopted by the present invention is as follows：
A kind of compressor auxiliary installation device, including support ring, the pull bar in support ring along its axial direction activity setting.
Support ring includes the bottom for resting against phonic wheel and the top for supporting drawing mechanism, and pull bar includes being used to connect
First connection end of low-pressure shaft and for connecting drawing mechanism to stretch the second connection end of low-pressure shaft, compressor auxiliary is installed
Device also includes the nut tightening device for being used to measure the measuring mechanism of the elongation of pull bar and being movably set in outside pull bar, spiral shell
Female device for screwing up is used for the locking nut screwing on low-pressure shaft after the elongation of pull bar is qualified.
Further, the first connection end is provided with the internal thread coordinated with the external screw thread front portion of low-pressure shaft.The side wall of support ring
Offer gathering hole.Nut tightening device includes driving end and the handle for driving driving end to rotate, and driving end is set in drawing
Outside bar, bottom is provided with the latch coordinated with the end tooth of locking nut.Handle is connected on driving end and extended to by gathering hole
Outside support ring.
Further, the inwall bottom of support ring is provided with the groove coordinated with the chimb of phonic wheel, and inwall top is provided with and drawing
Stretch the holding tank of mechanism cooperation.
Further, measuring mechanism includes the measurement for being fixedly arranged on the table holder of support ring outer wall and being arranged on table holder
Pin and measurement table, measurement pin link with pull bar, and are transferred to measurement table to measure the amount of tension of pull bar.
Further, table holder presss from both sides the bottom that screw is fixed on support ring outer wall by table.The center and table for measuring pin are pressed from both sides
Seat rotates connection, and measurement pin one end is overlapped on pull bar through gathering hole, and the other end is overlapped on the measuring staff of measurement table.
Further, measurement table is dial gauge, and table holder is provided with the table chuck for being used for fixing dial gauge.
Further, the bar footpath in the middle part of pull bar inside contracts the faying surface to form overlap joint measurement pin.
Further, support ring is provided with two symmetrical gathering holes, measuring mechanism different gathering hole corresponding with handle.
Further, driving end inserts the jack of connection circumferentially arranged with multiple confession handles.
Further, drawing mechanism is hydraulic pump, and the second connection end is provided with the compression for being used for compressing pull bar and hydraulic pump
Nut.
The invention has the advantages that：Above-mentioned compressor auxiliary installation device, in use, first locking nut can be pacified
On low-pressure shaft, then support ring is rested on phonic wheel, pull bar is penetrated in support ring and nut tightening device is inserted in,
Pull bar two ends are connected with low-pressure shaft, drawing mechanism respectively again.Pull bar and nut tightening device can axially be lived with respect to support ring
Dynamic, drawing mechanism presses support ring, while being stretched to pull bar, measuring mechanism is measured to its elongation.When pull bar
After elongation is qualified, i.e. the elongation of low-pressure shaft is qualified, and nut is tightened by nut tightening device.Above-mentioned compressor auxiliary peace
Assembling device, it is simple in construction, it can easily tighten locking nut after elongation needed for obtaining low-pressure shaft, it is ensured that turn assembling
Meet design requirement, and it is easy to operate.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of phonic wheel, low-pressure shaft and locking nut；
Fig. 2 is the cross-sectional view of the compressor auxiliary installation device of the preferred embodiment of the present invention；
Fig. 3 is the structural representation of the compressor auxiliary installation device of the preferred embodiment of the present invention；
Fig. 4 is the use state structural representation of the compressor auxiliary installation device of the preferred embodiment of the present invention；
Fig. 5 is the use state cross-sectional view of the compressor auxiliary installation device of the preferred embodiment of the present invention；
Fig. 6 is the support ring cross-sectional view of the preferred embodiment of the present invention；
Fig. 7 is the driving end cross-sectional view of the preferred embodiment of the present invention；
Fig. 8 is the pull bar cross-sectional view of the preferred embodiment of the present invention.
Description of reference numerals：100th, support ring；200th, pull bar；300th, nut tightening device；400th, measuring mechanism；500、
Phonic wheel；600th, low-pressure shaft；700th, locking nut；800th, drawing mechanism；
110th, gathering hole；120th, groove；130th, holding tank；
210th, faying surface；220th, clamp nut；
310th, driving end；320th, handle；330th, jack；340th, latch；
410th, table holder；420th, measurement pin；430th, measurement table；440th, table folder screw.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Reference picture 2~5, the preferred embodiments of the present invention provide a kind of compressor auxiliary installation device, including support ring
100th, along its pull bar 200 that axially activity is set in support ring 100.Support ring 100 includes the bottom for being used to rest against phonic wheel 500
End and the top for supporting drawing mechanism 800, pull bar 200 include the first connection end for connecting low-pressure shaft 600 and are used for
Connection drawing mechanism 800 is to stretch the second connection end of low-pressure shaft 600, and compressor auxiliary installation device also includes being used to measure
The measuring mechanism 400 of the elongation of pull bar 200 and the nut tightening device 300 being movably set in outside pull bar 200, nut is tightened
Device 300 is used to tighten the locking nut 700 on low-pressure shaft 600 after the elongation of pull bar 200 is qualified.
Support ring 100 is tubular construction, and one end is rested on phonic wheel 500, other end support drawing mechanism 800.Pull bar 200
It is projecting axially into support ring 100, nut Auto-lock Machine structure is set on pull bar 200, i.e. nut Auto-lock Machine structure is arranged on support ring
Between 100 inwalls and the outer wall of pull bar 200.Nut Auto-lock Machine structure can slide axially with respect to support ring 100, pull bar 200.In use,
First locking nut 700 is arranged on low-pressure shaft 600, without tightening, and the connection position of pull bar 200 and low-pressure shaft 600 is reserved
Put.As shown in figure 1, support ring 100 is rested on phonic wheel 500, pull bar 200 is penetrated in support ring 100 and is inserted in nut and is twisted
Tight mechanism, then the two ends of pull bar 200 are connected with low-pressure shaft 600, drawing mechanism 800 respectively.Drawing mechanism 800 presses support ring
100, while stretched to pull bar 200, due to pull bar 200 and nut Auto-lock Machine structure with respect to support ring 100 can axially activity,
Therefore obstruction will not be produced to the drawing process of pull bar 200.Measuring mechanism 400 is by recording initial position and the stretching of pull bar 200
Position afterwards, draws the elongation of pull bar 200.When the elongation of pull bar 200 reaches 0.7~0.76mm, you can stop drawing
Stretch.And locking nut 700 is tightened by nut tightening device 300.
Because pull bar 200 is connected with low-pressure shaft 600, therefore stretching pull bar 200 is to stretch low-pressure shaft 600, pull bar 200
The actual elongation for low-pressure shaft 600 of elongation.And low-pressure shaft 600 is thin-wall construction, pull bar 200 can be considered in contrast
Rigid structure, can as measurement amount of tension when drawing mechanism 800 impetus.Drawing mechanism 800 is connected with pull bar 200, without
It is directly connected to low-pressure shaft 600, also low-pressure shaft 600 can be avoided to deform.
The invention has the advantages that：Above-mentioned compressor auxiliary installation device, in use, can be first by locking nut
700 are arranged on low-pressure shaft 600, then rest on phonic wheel 500 support ring 100, pull bar 200 is penetrated in support ring 100
And nut Auto-lock Machine structure is inserted in, then the two ends of pull bar 200 are connected with low-pressure shaft 600, drawing mechanism 800 respectively.The He of pull bar 200
Nut Auto-lock Machine structure can be axially movable with respect to support ring 100, and drawing mechanism 800 presses support ring 100, while entering to pull bar 200
Row stretching, measuring mechanism 400 is measured to its elongation.When the elongation of pull bar 200 is qualified after, i.e. low-pressure shaft 600 is stretched
Long amount is qualified, and nut is tightened by nut Auto-lock Machine structure.Above-mentioned compressor auxiliary installation device, it is simple in construction, make low-pressure shaft
Locking nut 700 can be easily tightened after elongation needed for 600 acquisitions, it is ensured that turned assembling and met design requirement, and operate
It is convenient.
Alternatively, reference picture 5, Fig. 8, the first connection end are provided with the internal thread coordinated with the external screw thread front portion of low-pressure shaft 600.
The side wall of support ring 100 offers gathering hole 110.Nut Auto-lock Machine structure includes driving end 310 and for driving driving end 310
The handle 320 of rotation, driving end 310 is set in outside pull bar 200, and bottom is provided with the latch coordinated with the end tooth of locking nut 700
340.Handle 320 is connected on driving end 310 and extended to by gathering hole 110 outside support ring 100.
Low-pressure shaft 600 is provided with external screw thread, and locking nut 700 is screwed in externally threaded rear portion, and the first connection end is provided with interior spiral shell
Line, it is tightened in externally threaded front portion.It is connected through a screw thread, low-pressure shaft 600 and the stable connection of pull bar 200, and contact area
Greatly, the uniform force of low-pressure shaft 600, it is not easy to deform.
After compressor auxiliary installation device integral installation well, before the stretchable stretching of mechanism 800 pull bar 200, it can carry out
Pre-stretching, eliminates gap of the measuring mechanism 400 such as between the gap of dial gauge and threaded connection.Then by drawing mechanism 800
Tool pressure removes extended state, by the pointer zero setting of such as dial gauge of measuring mechanism 400.Pressure stretches pull bar 200 again, until drawing
The elongation of bar 200 reaches requirement.This operation eliminates the error that measuring mechanism 400 and threaded connection gap are produced, thus survey
Measure result more accurate.
Further, since be arranged with phonic wheel 500 outside low-pressure shaft 600, thus be mounted directly the operating space of locking nut 700 compared with
It is small.Driving end 310 is provided with latch 340, engages with the end tooth of the top surface of locking nut 700.Handle 320 is connected on driving end 310
And extended to by gathering hole 110 outside support ring 100, driving end 310 is enclosed on pull bar 200, is reached in the elongation of pull bar 200
To after target, you can tighten locking nut 700 by pulling driving end 310.When the design to tighten locking nut 700, behaviour
Make space big and laborsaving.
Alternatively, reference picture 2,5 and 7, the inwall bottom of support ring 100 is provided with the groove coordinated with the chimb of phonic wheel 500
120, inwall top is provided with the holding tank 130 coordinated with drawing mechanism 800.
The chimb of groove 120 and phonic wheel 500, which coordinates, may be such that support ring 100 is firm and is placed on phonic wheel 500, holding tank
130 design may be such that the firm support drawing mechanism 800 of support ring 100.
Alternatively, reference picture 2~5, measuring mechanism 400 includes being fixedly arranged on the table holder 410 of the outer wall of support ring 100 and set
The measurement pin 420 and measurement table 430 being placed on table holder 410, measurement pin 420 link with pull bar 200, and are transferred to measurement table
430 to measure the amount of tension of pull bar 200.
Measurement pin 420 links with pull bar 200.When pull bar 200 is stretched, the corresponding sports of pin 420 are measured, and motion is transmitted
To measurement table 430, triggering measurement table 430 measures the elongation of pull bar 200.When pull bar 200 stops stretching, measurement table 430 terminates
Measurement.Compare the initial measurement of measurement table 430 and terminate measured value difference then can directly obtain or be computed after extended
Amount.
Alternatively, reference picture 2~5, table holder 410 presss from both sides the bottom that screw 440 is fixed on the outer wall of support ring 100 by table.
The center for measuring pin 420 is connected with the rotation of table holder 410, and measurement pin 420 one end is overlapped on pull bar 200 through gathering hole 110
On, the other end is overlapped on the measuring staff of measurement table 430.
Measurement pin 420 is bascule, and measurement pin 420 one end is overlapped on pull bar 200, and the other end is overlapped on measurement table
On 430 measuring staff.Measure pin 420 close to the one end of pull bar 200 rise it is many over long distances, close to the one end of measurement table 430 then decline how long
Distance.Thus measurement table 430 can directly measure the elongation of pull bar 200, operate more convenient.Table holder 410 presss from both sides spiral shell by table
Nail 440 is fixed, and, can dismantle measuring mechanism 400 in compressor auxiliary installation device when not in use.
Alternatively, reference picture 2~5, measurement table 430 is dial gauge, and table holder 410 is provided with the table for being used for fixing dial gauge
Chuck.By dial gauge come side elongation, as a result accurately, measurement is convenient.
Alternatively, reference picture 2,4,5 and 8, the bar footpath at the middle part of pull bar 200 inside contracts the faying surface to form overlap joint measurement pin 420
210.Pull bar 200 may include two sections, and the bar footpath of one section of bottom is larger, and one section of bar footpath at top is smaller.Between two sections of pull bars 200
Faying face be faying surface 210.The pull bar 200 of the design has saved material.
Alternatively, reference picture 2~6, support ring 100 is provided with two symmetrical gathering holes 110, measuring mechanism 400 and hand
The different gathering hole 110 of the correspondence of handle 320.Measuring mechanism 400 and handle 320 are oppositely disposed, and the two is distant, can prevent
When pulling handle 320, measuring mechanism 400 is touched, measurement result distortion is caused.
Alternatively, reference picture 3,4 and 7, driving end 310 inserts the jack of connection circumferentially arranged with multiple confession handles 320
330.Multiple jacks 330 are set, and multiple jacks 330 are circumferentially uniformly arranged, can be inserted into a jack 330 pull it is a bit of away from
Another jack 330 is changed from after, thus reduces the circumferential width of gathering hole 110 and requires smaller.Simultaneously to the peace of driving end 310
Holding position circumference angle reduction so that operation is more convenient.When the jack 330 of driving end 310 is less, assembly wrench first 310
When need rotating spanner first 310 to be directed at jack 330, it is cumbersome.
Alternatively, reference picture 2~5, drawing mechanism 800 is hydraulic pump, and the second connection end, which is provided with, to be used for pull bar 200 and liquid
The clamp nut 220 that press pump is compressed.The tensile force of hydraulic pump is larger, and pull bar 200 passes through clamp nut 220 after passing through hydraulic pump
Locking, with reference to firm.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of compressor auxiliary installation device, it is characterised in that including support ring (100), on the support ring (100) interior edge
Its pull bar (200) that axially activity is set；
The support ring (100) includes the bottom for resting against phonic wheel (500) and the top for supporting drawing mechanism (800),
The pull bar (200) include be used for connect low-pressure shaft (600) the first connection end and for connect the drawing mechanism (800) with
The second connection end of the low-pressure shaft (600) is stretched, the compressor auxiliary installation device also includes being used to measure the pull bar
(200) measuring mechanism (400) of elongation and the nut tightening device (300) of the pull bar (200) outside, institute are movably set in
Stating nut tightening device (300) is used for the locking on the low-pressure shaft (600) after the elongation of the pull bar (200) is qualified
Nut (700) is tightened.
2. compressor auxiliary installation device according to claim 1, it is characterised in that first connection end is provided with and institute
State the internal thread that the external screw thread front portion of low-pressure shaft (600) coordinates；The side wall of the support ring (100) offers gathering hole (110)；
The nut tightening device (300) includes driving end (310) and the handle (320) for driving driving end (310) to rotate, described
Driving end (310) is set in the pull bar (200) outside, and bottom is provided with the latch coordinated with the end tooth of the locking nut (700)
(340)；The handle (320) is connected on the driving end (310) and extends to the supporting by the gathering hole (110)
Ring (100) is outside.
3. compressor auxiliary installation device according to claim 2, it is characterised in that the inwall of the support ring (100)
Bottom is provided with the groove (120) coordinated with the chimb of the phonic wheel (500), and inwall top is provided with to be coordinated with drawing mechanism (800)
Holding tank (130).
4. compressor auxiliary installation device according to claim 2, it is characterised in that the measuring mechanism (400) includes
It is fixedly arranged on the table holder (410) of the support ring (100) outer wall and the measurement pin being arranged on the table holder (410)
(420) and measurement table (430), the measurement pin (420) is linked with the pull bar (200), and is transferred to the measurement table (430)
To measure the amount of tension of the pull bar (200).
5. compressor auxiliary installation device according to claim 4, it is characterised in that the table holder (410) passes through table
Folder screw (440) is fixed on the bottom of the support ring (100) outer wall；The center of the measurement pin (420) and the table holder
(410) connection is rotated, described measurement pin (420) one end is overlapped on the pull bar (200) through the gathering hole (110), separately
One end is overlapped on the measuring staff of the measurement table (430).
6. compressor auxiliary installation device according to claim 5, it is characterised in that the measurement table (430) is percentage
Table, the table holder (410) is provided with the table chuck for being used for fixing the dial gauge.
7. compressor auxiliary installation device according to claim 5, it is characterised in that the bar in the middle part of the pull bar (200)
Footpath inside contracts the faying surface (210) to be formed and overlap the measurement pin (420).
8. compressor auxiliary installation device according to claim 4, it is characterised in that the support ring (100) is provided with
Two symmetrical gathering holes (110), the measuring mechanism (400) gathering hole (110) different with the handle (320) correspondence.
9. compressor auxiliary installation device according to claim 2, it is characterised in that the driving end (310) is circumferentially
Provided with multiple jacks (330) for the handle (320) insertion connection.
10. compressor auxiliary installation device according to claim 2, it is characterised in that the drawing mechanism (800) is liquid
Press pump, second connection end is provided with the clamp nut (220) for being used for compressing the pull bar (200) and the hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710407182.8A CN107225393B (en) | 2017-06-02 | 2017-06-02 | Compressor auxiliary installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710407182.8A CN107225393B (en) | 2017-06-02 | 2017-06-02 | Compressor auxiliary installation device |
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| CN107225393A true CN107225393A (en) | 2017-10-03 |
| CN107225393B CN107225393B (en) | 2019-07-26 |
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ID=59933410
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|---|---|---|---|
| CN201710407182.8A Active CN107225393B (en) | 2017-06-02 | 2017-06-02 | Compressor auxiliary installation device |
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| CN108000436A (en) * | 2017-12-01 | 2018-05-08 | 中国航发南方工业有限公司 | A kind of aero-engine high-torque nut assembling method |
| CN108044566A (en) * | 2018-01-12 | 2018-05-18 | 中国航发哈尔滨东安发动机有限公司 | A kind of lifting airscrew axis primary load bearing nut assembling method |
| CN112705939A (en) * | 2019-10-25 | 2021-04-27 | 中国航发商用航空发动机有限责任公司 | Mounting and dismounting tool and method for assembling aircraft engine assembly |
| CN114046203A (en) * | 2021-11-10 | 2022-02-15 | 中国航发南方工业有限公司 | Method for assembling rotor pivot of certain type turbofan engine |
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| CN112705939A (en) * | 2019-10-25 | 2021-04-27 | 中国航发商用航空发动机有限责任公司 | Mounting and dismounting tool and method for assembling aircraft engine assembly |
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| CN114046203A (en) * | 2021-11-10 | 2022-02-15 | 中国航发南方工业有限公司 | Method for assembling rotor pivot of certain type turbofan engine |
| CN114046203B (en) * | 2021-11-10 | 2022-12-09 | 中国航发南方工业有限公司 | Assembling method for rotor fulcrum of certain type turbofan engine |
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| Publication number | Publication date |
|---|---|
| CN107225393B (en) | 2019-07-26 |
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