CN107576250B - A kind of the back lash detection device and detection method of aircraft diverter bevel gear pair - Google Patents
A kind of the back lash detection device and detection method of aircraft diverter bevel gear pair Download PDFInfo
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- CN107576250B CN107576250B CN201710727636.XA CN201710727636A CN107576250B CN 107576250 B CN107576250 B CN 107576250B CN 201710727636 A CN201710727636 A CN 201710727636A CN 107576250 B CN107576250 B CN 107576250B
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Abstract
A kind of back lash detection device of aircraft diverter bevel gear pair comprising clamp body, which is equipped with the first splined shaft to lock with deceleration diverter pinion shaft one end splined hole, and the first splined shaft is held out against by the first Top fastening screw；The first fastener for fixing deceleration diverter cabinet is additionally provided on the clamp body；One end of the clamp body is installed by dial gauge；One spline housing is screw-locked at the second splined shaft of deceleration diverter Large Gear Shaft, and the second splined shaft is supported by the second Top fastening screw, is integrally formed spline housing and the second splined shaft；Measurement datum is set on the spline housing, and the measurement datum is directly contacted with the measuring rod of dial gauge；Two supporting screws are symmetrically arranged on the spline housing, wherein standard counterweight is arranged in the bearing of a supporting screw.The present invention by standard counterweight make deceleration diverter Large Gear Shaft drive pinion shaft it is clockwise, reverse, dial gauge total indicator reading range is the back lash range of bevel gear pair.
Description
Technical field
The present invention relates to gap detection device between a kind of diverter bevel gear, especially a kind of aircraft diverter bores tooth
The back lash detection device and detection method of wheel pair.
Background technique
Bevel gear deceleration diverter is independent type closed driving device on aircraft, for reducing revolving speed and increasing torque, with
Meet aircraft need of work, is the running critical elements of aircraft.Aircraft bevel gear deceleration diverter is mainly by one bevel gear of band
The composition such as Large Gear Shaft, the pinion shaft with another bevel gear, bearing, cabinet, cover board, plug screw, gasket, tight seal.Wherein,
The intermeshing of the bevel gear of Large Gear Shaft and pinion shaft, fit clearance (back lash) size determine making for retarder
Work is designed to the back lash detection device in service life, the security performance of the accuracy of steering and aircraft, therefore bevel gear pair
Dress designer must solve the problems, such as.
The back lash of bevel gear pair depends not only on the machining accuracy of two bevel gears, and smart with the installation of gear pair
Spend it is related, on bevel gear behavior in service influence it is very big.Method of the most frequently used detection bevel gear to back lash: according to gear pair
Inspection and tolerance etc. require, and take a little in bevel gear corresponding site many places, obtain by complicated calculations.This method low efficiency, work
Amount is big, and testing result easily causes dispute.Aircraft device diverter is closed type structure, has assembled completion, back lash
Detection difficulty is bigger.Detection and adjustment to the fit clearance (back lash) of enclosed bevel gear pair, it is domestic at present to grasp not yet
Make the method for convenient detection science.
Summary of the invention
The object of the present invention is to for there are no the bevel gears of enclosed aircraft device diverter to cooperation in the prior art
Gap detection and adjustment device, the present invention provide the back lash detection device and inspection of a kind of aircraft diverter bevel gear pair
Survey method to improve the back lash detection efficiency of deceleration diverter bevel gear pair, and provides most accurate detection data.
Further object of the present invention is, according to detection data adjustment Large Gear Shaft one end gasket or adjustment pinion shaft
One end plug screw position guarantees that there are 0.05~0.10mm fit clearances between bevel gear, form the Mesh Clearance Adjustment method of science,
Guarantee that product once hands over inspection qualification rate up to 100%.
In order to achieve the above object, the present invention provides a kind of back lash detection device of aircraft diverter bevel gear pair,
Including a clamp body, which includes a bottom plate and side plate, which is equipped with fixed for diverter tank floor of slowing down
The boss of position wears on the side plate and matches the first fixed splined shaft with deceleration diverter pinion shaft one end splined hole, and
Two bearings are respectively arranged with by symmetry axis of the first splined shaft on the outside of the side plate, are worn respectively in two bearings for pushing against the first flower
First Top fastening screw of key axis is additionally provided on the side plate for the first fastener of diverter cabinet of slowing down that is fixed and clamped；It should
The dial gauge mounting bracket for installing dial gauge is fixedly installed in one end of clamp body；The installation of deceleration diverter cabinet is positioned at folder
After particularly, second splined shaft that there is the spline housing screw lock of opening to be fixed on deceleration diverter Large Gear Shaft one end, the flower
Closing piece is respectively set in the opening two sides of key set, is locked between two closing pieces by the second fastener, makes spline housing and slow down to turn
Into device, second splined shaft of Large Gear Shaft one end is integrally formed, and measurement datum, and the measurement is arranged in the lower end of the spline housing
Datum level directly with the measuring rod abutting contact installed in dial gauge gauge outfit；It is offered on the spline housing and supports hole and two and opposite set
The supported hole set is supported and wears the second Top fastening screw in hole, and second Top fastening screw is supported on the second splined shaft, and two is opposite
The fixed supporting screw of screw lock is distinguished on the supported hole of setting, wherein being arranged on fixed position on a supporting screw by wirerope
Standard counterweight.
In above scheme, the bottom plate and side plate form L-type pedestal.It is equipped in the L-type pedestal and is used to support bottom plate and side
Two support plates of plate.
In above scheme, inner end setting and the deceleration diverter pinion shaft one end splined hole of first splined shaft match
The supporting surface for cooperating with the first Top fastening screw is arranged in the spline tooth of conjunction, the outer end of first splined shaft.
In above scheme, the dial gauge mounting bracket is equipped with the dial gauge mounting hole with opening port, the opening port
Two sides are equipped with fixation hole, and the bottom of the dial gauge mounting bracket is equipped with location hole, after dial gauge installation, the dial gauge mounting bracket
Wear fixation hole by housing screw dial gauge locks, and worn by bracket positioning pin it is fixed with clamp body after location hole
Position.
In order to achieve the above object, the present invention also provides a kind of inspections of the back lash of above-mentioned aircraft diverter bevel gear pair
Survey method comprising step are as follows:
1) deceleration diverter cabinet is placed on the boss of clamp body bottom plate, and will be slowed down using the first fastener and is turned to
The side plate of device cabinet and clamp body is fixed；
2) the first splined shaft is installed in the splined hole of deceleration diverter pinion gear shaft end, and will by the first Top fastening screw
Splined shaft holds out against fixation, is integrally formed deceleration diverter pinion shaft with the first splined shaft；
3) the spline housing installation with opening is fixed on second splined shaft of deceleration diverter Large Gear Shaft one end, is used in combination
Second Top fastening screw wears the hole of supporting on spline housing and holds out against the second splined shaft, make deceleration diverter Large Gear Shaft and spline housing at
It is integrated；
4) measuring rod is installed in the gauge outfit hole of dial gauge, dial gauge is installed in dial gauge mounting bracket, and by pressing
The tight fixed dial gauge of screw, makes measuring rod contradict the measurement datum of spline housing, percentage meter reading is adjusted to 0；
5) spline housing two sides install supporting screw, and wirerope with standard balance weight hanging in the fixation of a supporting screw
On position, standard counterweight drives the rotation of deceleration diverter Large Gear Shaft, and dial gauge throw of pointer, record percentage meter reading is most
Greatly, minimum value to get aircraft diverter bevel gear pair back lash range.
The above method further include: by the symmetric position of standard balance weight hanging to another supporting screw, standard counterweight is driven
Deceleration diverter Large Gear Shaft reversely rotates, dial gauge throw of pointer, records dial gauge range of readings, obtains aircraft steering
The back lash of device bevel gear pair.The above method further include: behind the back lash for detecting aircraft diverter bevel gear pair,
According to the thickness of measurement result adjustment Large Gear Shaft one end gasket or the plug screw position of adjustment pinion shaft one end, guarantee bevel gear
Between gap width be 0.05~0.10mm, detection terminates.The present invention makes full use of deceleration diverter own characteristic, by the diverter that slows down
Cabinet is fixed on clamp body；It is fixed to the splined hole of deceleration diverter that the first splined shaft is designed in deceleration diverter pinion shaft one end
Position, is completely fixed pinion shaft；Large Gear Shaft one end is positioned using the second splined shaft and spline housing, design measurement component, by opening
The spline housing of mouth holds the second splined shaft of deceleration diverter tightly, thus, deceleration diverter is completely fixed in clamp body and measurement component
Position.After measuring rod is contradicted measurement datum, percentage meter reading is adjusted to 0, then is supported respectively in spline housing arranged on left and right sides
The quasi- counterweight of mark-on on the fixation position of screw, simulate deceleration diverter working condition, by standard counterweight drive spline housing and
Large Gear Shaft rotates together, records dial gauge range of readings, is the back lash range of bevel gear pair.According to deceleration diverter
Technical requirements and detection data adjust spacer thickness, quantity or plug screw position in deceleration diverter and obtain the cooperation of design requirement
Gap.
The present invention has manufactured and designed standard-sized sheet by analyzing certain aircraft diverter structure, working principle and performance requirement
Put the back lash detection device of the bevel gear pair of formula, it is determined that the fit clearance detection of reasonable bevel gear pair, method of adjustment,
Higher production efficiency is also ensured while guaranteeing product quality, and has accumulated preciousness for other similar products are developed later
Experience.
Detailed description of the invention
Fig. 1 is three dimensional structure diagram of the present invention.
Fig. 2 is the overlooking structure diagram of Fig. 1.
Fig. 3 is the schematic cross-sectional view of Fig. 2.
Fig. 4 is the structural schematic diagram for measuring component.
Fig. 5 is the overlooking structure figure of Fig. 4.
Fig. 6 is the main view of spline housing.
Fig. 7 is the left view of Fig. 6.
Fig. 8 is the tomograph of spline housing.
Fig. 9 is the tomograph of the first splined shaft.
Figure 10 is the tomograph of dial gauge mounting bracket.
Figure 11 is measuring rod structural schematic diagram.
In figure: 1 first splined shaft；2 washers；3 nuts；4 bolts；5 measurement components；6 measuring rods；7 housing screws；8 percentages
Table mounting bracket；9 bracket positioning pins；10 bearings；11 first Top fastening screws；12 washers；13 clamp bodies；14 spline housings；15 supports
Screw；16 band shoulder nuts；17 washers；18 bolts；19 wirerope；20 standard counterweights；21 second Top fastening screws；22 percentages
Table；81 dial gauge mounting holes；82 opening ports；83 fixation holes；84 location holes；131 bottom plates；132 side plates；133 support plates；141 open
Mouthful；142 closing pieces；143 measurement datums；144 support hole；145 supported holes.
Specific embodiment
As shown in Figure 1-Figure 11, a kind of back lash detection device packet of aircraft diverter bevel gear pair of the present invention
Include the first splined shaft 1；Washer 2；Nut 3；Bolt 4；Measure component 5；Measuring rod 6；Housing screw 7；Dial gauge mounting bracket 8；
Bracket positioning pin 9；Bearing 10；First Top fastening screw 11；Washer 12；Clamp body 13.Wherein measurement component 5 is made of 8 parts: flower
Key set 14；(2) supporting screw 15；Band shoulder nut 16；Washer 17；Bolt 18；Wirerope 19；Standard counterweight 20；Second holds out against
Screw 21.
The clamp body 13 is a L-type pedestal formed by bottom plate 131 and side plate 132, and is equipped in the L-type pedestal for branch
Two support plates 133 of bottom plate 131 and side plate 132 are supportted, wherein a support plate is long, a support plate is short.The bottom plate 131 is equipped with and is used for
The boss (not shown) of deceleration diverter tank floor positioning.The first splined shaft 1, and the side plate 132 are worn on the side plate 132
Outside is that symmetry axis is respectively arranged with two bearings 10 with the first splined shaft 1, is worn respectively in two bearings 10 for supporting the first flower
First Top fastening screw 11 of key axis 1.It is additionally provided on the side plate 132 for washer 2, the spiral shell of diverter cabinet of slowing down that be fixed and clamped
Female 3, bolt 4.Dial gauge mounting bracket 8, dial gauge mounting bracket 8 is fixedly installed in 133 one end of short support plate of the clamp body 13
It is equipped with dial gauge mounting hole 81, and the side of dial gauge mounting hole 81 is equipped with opening port 82, the two sides of the opening port 82 are equipped with
Fixation hole 83, the bottom of the dial gauge mounting bracket is additionally provided with location hole 84, after dial gauge 22 is installed, the dial gauge mounting bracket
8, which wear fixation hole 83 by housing screw 7, locks dial gauge, and by bracket positioning pin 9 wear after location hole 84 with folder
Specific 13 positioning.
Spline tooth is arranged in the inner end of first splined shaft 1, for matching with deceleration diverter pinion shaft one end splined hole
It closes.Supporting surface is arranged in the outer end of first splined shaft 1, supports for the first Top fastening screw 11.
The spline housing 14 is set to 133 one end of short support plate of clamp body 13, and its middle through-hole is provided with screw thread, with
The second splined shaft in the fixed deceleration diverter Large Gear Shaft one end of screw lock.The upper end setting opening 141 of the spline housing 14, and should
141 two sides that are open are respectively set closing piece 142, by bolt 18 between two closing pieces 142, and it is solid with washer 17 and with shoulder nut 16
It is fixed, guarantee that second splined shaft of Large Gear Shaft one end in spline housing 14 and deceleration diverter is integrally formed.Under the spline housing 14
End setting measurement datum 143,6 abutting contact of measuring rod for dial gauge 22.It is also provided on the spline housing 14 and supports hole
144 and two supported holes 145 for being oppositely arranged, support that hole 144 passes through for the second Top fastening screw 21 and to support deceleration diverter big
Second splined shaft of gear shaft prevents the second splined shaft from rotating；Screw lock fixes supporting screw on two supported holes 145 being oppositely arranged
15, which is used for by 19 fixed standard counterweight 20 of wirerope.
Apparatus of the present invention in use, deceleration diverter cabinet is placed on the boss on the bottom plate 131 of clamp body 13, and
It is using washer 2, nut 3, bolt 4 that the side plate 132 of deceleration diverter cabinet and clamp body 13 is fixed；The installation of first splined shaft 1
Into the splined hole of deceleration diverter pinion gear shaft end, and by the 10, first Top fastening screw 11 of bearing, washer 12 by the first splined shaft
Fixation is held out against, is integrally formed pinion shaft in deceleration diverter with the first splined shaft 1；The spline housing 14 of opening is utilized into band shoulder
Nut 16, washer 17, bolt 18 are installed on second splined shaft of Large Gear Shaft one end in deceleration diverter, and are held out against with second
Screw 21 wears the second splined shaft supported hole 144 and hold out against deceleration diverter on spline housing 14, makes Large Gear Shaft and spline housing
14 are integrally formed；Measuring rod 6 is installed in the gauge outfit hole of dial gauge 22, dial gauge 22 is installed in dial gauge mounting bracket 8,
It is fixed by housing screw 7, and measuring rod 6 is made to contradict measurement datum 143, percentage meter reading is adjusted to 0；Wirerope 19 is with mark
Quasi- counterweight 20 hangs on the fixed position in 15 left end one of supporting screw, and standard counterweight drives measurement component 5 and retarder gear wheel
Axis anticlockwise, the throw of pointer of dial gauge 22, recording the engagement of the maximum, minimum value of percentage meter reading to get bevel gear between
Gap range；Similarly standard counterweight 20 is hung in a symmetric position of right end supporting screw 15, standard counterweight drives measurement group
Part 5 and Large Gear Shaft rotate to the right, the throw of pointer of dial gauge 22, record maximum, the minimum value of percentage meter reading, i.e., again
To the back lash range of bevel gear pair；Foundation measurement result adjustment Large Gear Shaft one end gasket (optional thickness 0.05mm,
0.06mm, 0.10mm, 0.15mm, 0.2mm) or adjustment pinion shaft one end plug screw position, guarantee bevel gear between 0.05~
0.10mm fit clearance, detection terminate.
Claims (8)
1. a kind of back lash detection device of aircraft diverter bevel gear pair, including a clamp body (13), feature exists
In the clamp body includes a bottom plate (131) and side plate (132), which is equipped with fixed for diverter tank floor of slowing down
The boss of position wears on the side plate and matches fixed the first splined shaft (1) with deceleration diverter pinion shaft one end splined hole,
And be respectively arranged with two bearings (10) on the outside of the side plate by symmetry axis of the first splined shaft, it is worn respectively in two bearings for pushing against
The first Top fastening screw (11) of first splined shaft is additionally provided on the side plate and slows down the first of diverter cabinet for being fixed and clamped
Fastener；The dial gauge mounting bracket (8) for installing dial gauge (22) is fixedly installed in one end of the clamp body；One has opening
(141) spline housing (14) screw lock is fixed on second splined shaft of deceleration diverter Large Gear Shaft one end, the opening of the spline housing
Two sides are respectively set closing piece (142), are locked, make in spline housing and deceleration diverter by the second fastener between two closing pieces
Second splined shaft of Large Gear Shaft one end is integrally formed, and measurement datum (143) are arranged in the lower end of the spline housing, and the measurement base
Quasi- face is directly contacted with the measuring rod (6) installed in dial gauge gauge outfit；It is offered on the spline housing and supports hole (144) and two relatively
The supported hole (145) of setting, supports and wears in hole the second Top fastening screw (21), and second Top fastening screw is supported in the second spline
It is fixed supporting screw (15) that screw lock is distinguished on axis, on two supported holes being oppositely arranged, wherein by wirerope on a supporting screw
(19) standard counterweight (20) are set on fixed position.
2. a kind of back lash detection device of aircraft diverter bevel gear pair according to claim 1, feature
It is, the bottom plate and side plate form L-type pedestal.
3. a kind of back lash detection device of aircraft diverter bevel gear pair according to claim 2, feature
It is, two support plates for being used to support bottom plate and side plate is equipped in the L-type pedestal.
4. a kind of back lash detection device of aircraft diverter bevel gear pair according to claim 1 or 2, special
Sign is that the spline tooth matched with deceleration diverter pinion shaft one end splined hole is arranged in the inner end of first splined shaft, should
The supporting surface for cooperating with the first Top fastening screw is arranged in the outer end of first splined shaft.
5. a kind of back lash detection device of aircraft diverter bevel gear pair according to claim 1 or 2, special
Sign is that the dial gauge mounting bracket is equipped with the dial gauge mounting hole (81) with opening port (82), and the two sides of the opening port are set
Having fixation hole (83), the bottom of the dial gauge mounting bracket is equipped with location hole (84), after dial gauge installation, dial gauge installation branch
Frame wears fixation hole by housing screw (7) and dial gauge locks, and by bracket positioning pin (9) wear after location hole with folder
Specific positioning.
6. the detection method of the back lash detection device of aircraft diverter bevel gear pair described in a kind of claim 1,
It is characterized in that including step are as follows:
1) deceleration diverter cabinet is placed on the boss of clamp body bottom plate, and utilizes the first fastener by deceleration diverter case
The side plate of body and clamp body is fixed；
2) the first splined shaft is installed in the splined hole of deceleration diverter pinion gear shaft end, and by the first Top fastening screw by spline
Axis holds out against fixation, is integrally formed deceleration diverter pinion shaft with the first splined shaft；
3) the spline housing installation with opening is fixed on second splined shaft of deceleration diverter Large Gear Shaft one end, and with second
Top fastening screw wears the hole of supporting on spline housing and holds out against the second splined shaft, and deceleration diverter Large Gear Shaft and spline housing is made to become one
Body；
4) measuring rod is installed in the gauge outfit hole of dial gauge, dial gauge is installed in dial gauge mounting bracket, and by compression spiral shell
Fixed dial gauge is followed closely, measuring rod is made to contradict the measurement datum of spline housing, percentage meter reading is adjusted to 0；
5) spline housing two sides install supporting screw, and wirerope with standard balance weight hanging in the fixation position of a supporting screw
On, standard counterweight drives Large Gear Shaft rotation, and dial gauge throw of pointer records maximum, the minimum value of percentage meter reading to get flying
The back lash range of machine deceleration diverter bevel gear pair.
7. a kind of detection side of the back lash detection device of aircraft diverter bevel gear pair according to claim 6
Method, it is characterised in that further include: by the symmetric position of standard balance weight hanging to another supporting screw, revolve Large Gear Shaft reversely
Turn, dial gauge throw of pointer, records dial gauge range of readings, obtain the back lash of aircraft diverter bevel gear pair.
8. a kind of inspection of the back lash detection device of aircraft diverter bevel gear pair according to claim 6 or 7
Survey method, which is characterized in that big according to measurement result adjustment behind the back lash for detecting aircraft diverter bevel gear pair
The thickness of gear shaft one end gasket or the plug screw position for adjusting pinion shaft one end, guarantee between bevel gear gap width be 0.05~
0.10mm, detection terminate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710727636.XA CN107576250B (en) | 2017-08-23 | 2017-08-23 | A kind of the back lash detection device and detection method of aircraft diverter bevel gear pair |
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|---|---|---|---|
| CN201710727636.XA CN107576250B (en) | 2017-08-23 | 2017-08-23 | A kind of the back lash detection device and detection method of aircraft diverter bevel gear pair |
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| CN107576250B true CN107576250B (en) | 2019-07-19 |
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| CN110064909B (en) * | 2019-04-30 | 2020-09-18 | 中国航发南方工业有限公司 | Positioning tool, positioning test device and method for measuring bevel gear circumferential backlash |
| CN112013750B (en) * | 2019-05-30 | 2022-02-01 | 北京福田康明斯发动机有限公司 | Gear clearance measuring device |
| CN111678712B (en) * | 2020-07-31 | 2021-11-23 | 荆州恒隆汽车零部件制造有限公司 | Detection method and detection machine for performance of automobile steering device |
| CN113405431B (en) * | 2021-06-29 | 2023-08-15 | 东风汽车底盘系统有限公司 | Gap detection gauge tool |
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|---|---|
| CN107576250A (en) | 2018-01-12 |
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