CN207180617U - A kind of airscrew pitch measurement apparatus - Google Patents
A kind of airscrew pitch measurement apparatus Download PDFInfo
- Publication number
- CN207180617U CN207180617U CN201721207160.9U CN201721207160U CN207180617U CN 207180617 U CN207180617 U CN 207180617U CN 201721207160 U CN201721207160 U CN 201721207160U CN 207180617 U CN207180617 U CN 207180617U
- Authority
- CN
- China
- Prior art keywords
- crossfoot
- rotating mechanism
- block
- fixedly connected
- measurement apparatus
- 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.)
- Active
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a kind of airscrew pitch measurement apparatus, including detent mechanism, rotating mechanism, retaining mechanism and measuring mechanism, the measuring mechanism includes crossfoot and laser range finder, the laser range finder can be slidably connected in the underface of the crossfoot along the length direction of the crossfoot, wherein：The rotating mechanism is arranged at the top of the detent mechanism, the crossfoot is placed on the rotating mechanism, and the retaining mechanism is arranged above the crossfoot and is fixedly connected with the rotating mechanism so that the crossfoot is fixedly installed between the rotating mechanism and the retaining mechanism.The utility model proposes airscrew pitch measurement apparatus, not only greatly improve the precision of measurement, and improve measurement efficiency.
Description
Technical field
It the utility model is related to measuring instrument field, more particularly to a kind of airscrew pitch measurement apparatus.
Background technology
The measuring scale main body of existing airscrew pitch measurement apparatus includes crossfoot and perpendicular chi, wherein crossfoot directly with middle part
The steel rotating mechanism that can not be dismantled is connected with flange, is erected eccentric connection, rotating mechanism between chi and crossfoot and is connected directly between folder
Hold in mechanism, and generally measuring scale main body uses bakelite material so that existing airscrew pitch measurement apparatus has following lack
Point and deficiency：1st, because the chi body weight of bakelite material is overweight, cause chi body sagging deflections serious, length can only be reduced to ensure
Minimum sag of chain, the radius of measurement blade is set to be restricted (measurement radius is less than 3 meters)；2nd, crossfoot and the rotating mechanism at middle part are
Flange connects, overweight perpendicular chi, and producing leverage causes rotating mechanism to be loosened with propeller hub connecting portion, influences measurement accuracy
Also potential safety hazard simultaneously；3rd, the rotating mechanism at middle part is steel, and can not be dismantled, and long term outdoor operation, causes rotation not
Smooth phenomenon；4th, rotating mechanism and clamping device are connected as a single entity, and centre can not increase, and lead to not measure the big oar of back rake angle
Leaf, limit the species of measured blade；5th, crossfoot is connected not close with perpendicular chi, and crossfoot and perpendicular chi center line are misaligned,
Influence measurement accuracy；6th, bakelite material erects the scale on chi, and reading is inconvenient, and chi end is influenceed by blade blade face curvature, is led
Cause measurement inaccurate；7th, pitch measurement can not be carried out to the blade being disposed vertically.
The disclosure of background above technology contents is only used for auxiliary and understands design of the present utility model and technical scheme, and it is not
The prior art of present patent application is necessarily belonged to, shows the applying date of the above in present patent application in no tangible proof
In the case of disclosed, above-mentioned background technology should not be taken to evaluate the novelty and creativeness of the application.
Utility model content
In order to solve the above-mentioned technical problem, the utility model proposes a kind of airscrew pitch measurement apparatus, not only carry significantly
The precision of high measurement, and improve measurement efficiency.
In order to achieve the above object, the utility model uses following technical scheme：
The utility model discloses a kind of airscrew pitch measurement apparatus, including detent mechanism, rotating mechanism, retaining mechanism
And measuring mechanism, the measuring mechanism include crossfoot and laser range finder, the laser range finder can be along the crossfoot
Length direction is slidably connected in the underface of the crossfoot, wherein：The rotating mechanism is arranged at the upper of the detent mechanism
Side, the crossfoot is placed on the rotating mechanism, the retaining mechanism be arranged above the crossfoot and with the rotating mechanism
It is fixedly connected so that the crossfoot is fixedly installed between the rotating mechanism and the retaining mechanism.
Preferably, the airscrew pitch measurement apparatus also includes bindiny mechanism, and the bindiny mechanism is fixedly connected on institute
State between detent mechanism and the rotating mechanism.
Preferably, the rotating mechanism includes fixed fixture block, active fastening block and cushion block, connects wherein the fixing card block is fixed
It is connected in the bindiny mechanism, the active fastening block is linked on the fixed fixture block to enable the active fastening block relative
Rotated in the fixed fixture block；The cushion block is fixedly connected on the active fastening block, and the crossfoot is placed on the cushion block.
Preferably, the cushion block is U-shaped structure, wherein the cushion block be fixedly connected on by the bottom of U-shaped structure it is described
On active fastening block, the crossfoot is fastened in the U-shaped structure of the cushion block.
Preferably, the active fastening block includes the lower fixture block of activity and the upper fixture block of activity, the lower fixture block of the activity and the work
Dynamic upper fixture block is fixedly connected, and the lower fixture block of the activity and the upper fixture block of the activity are fastened on the lower end of the fixed fixture block respectively
And upper end.
Preferably, the retaining mechanism includes briquetting, depression bar, latch segment and connecting rod, wherein the briquetting is arranged at institute
State on crossfoot, the latch segment is arranged on the briquetting, and the connecting rod is fixedly connected on the pad through the latch segment
On block, the depression bar penetrates the latch segment and is pressed on the briquetting.
Preferably, the measuring mechanism also includes dial, and the dial is fixedly connected on the fixed fixture block.
Preferably, the measuring mechanism also includes counterweight, wherein the crossfoot crosses two in the rotating mechanism
End, the laser range finder are slidably connected on the crossfoot of the first end of the rotating mechanism, the counterweight
It is fixedly connected on the crossfoot at the second end of the rotating mechanism.
Preferably, the measuring mechanism also includes glide base, and the glide base can be along the length of the crossfoot
Direction is slidably connected on the crossfoot, and the laser range finder is fixedly connected on the glide base.
Preferably, the crossfoot and/or the rotating mechanism are made of duralumin material.
Compared with prior art, the beneficial effects of the utility model are：Airscrew pitch measurement dress of the present utility model
Put by connecting the laser range finder that can be slided along crossfoot length direction on the underface of crossfoot, on the one hand, solve existing
Crossfoot and perpendicular chi center line it is misaligned the problem of, substantially increase the precision of measurement；On the other hand, in measurement process,
Only graticule need to be carried out to measure by the infrared light spot of laser range finder, be not required to allow laser range finder to move up and down along crossfoot,
The friction that slides up and down of crossfoot is not only eliminated, and measures and more facilitates, improves the efficiency of measurement.
In further scheme, the utility model also has the advantages that：
Bindiny mechanism is also fixedly connected between detent mechanism and rotating mechanism, the bindiny mechanism of different height can be selected
To change the height of rotating mechanism, to adapt to the measurement demand of different back rake angle blades.
Spin friction is slided by being formed between active fastening block and fixed fixture block in rotating mechanism, there is mechanism simply, again
Amount is light, convenient disassembly, damping due to rotation is adjustable, assembly precision is high, once install moderate lubrication agent additional after, with little need for later maintenance
Etc. advantage；Dial is set on fixed fixture block, can it is conveniently fixed in, and it is fixed in it is accurate, quick.
The cushion block of U-shaped structure is additionally provided between the active fastening block and crossfoot of rotating mechanism so that crossfoot can be preferably
Rotating mechanism is followed to rotate together；Further, retaining mechanism crossfoot is fixedly connected with cushion block by connecting rod can be steady
Admittedly be fixedly connected between rotating mechanism and retaining mechanism, between reducing between crossfoot and rotating mechanism and retaining mechanism
Gap error, so as to further improve the precision of measurement, and convenient dismounting, it can be moved easily.
Counterweight is set in opposite one end with setting laser range finder of crossfoot so that crossfoot is in rotating mechanism
The weight at both ends is identical, so that the gap between crossfoot and rotating mechanism further reduces, further improves measurement essence
Degree.
Wherein crossfoot and/or rotating mechanism is made of duralumin material, and while proof strength, weight also drops significantly
Low, durability is also significantly lifted.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of the airscrew pitch measurement apparatus of the utility model preferred embodiment；
Fig. 2 is the diagrammatic cross-section of the A-A in Fig. 1.
Embodiment
Below against accompanying drawing and with reference to preferred embodiment, the utility model is described in further detail.
As shown in figure 1, the airscrew pitch measurement apparatus of the utility model preferred embodiment, including detent mechanism, connection
Mechanism, rotating mechanism, retaining mechanism and measuring mechanism.
Detent mechanism is arranged on the bottom of measurement apparatus, including three-jaw chuck 11, and the chuck of wherein three-jaw chuck 11 faces
The lower propeller hub endoporus for being used to clamp propeller, reach quick and neutralize clamping action surely, and it is different according to propeller hub hole size, can
To change various sizes of three-jaw chuck 11.
Bindiny mechanism is to be used for connecting locating mechanism and rotating mechanism, including I-shaped support body 21 and bolt 22, I-shaped
Support body 21 connects upper and lower ring flange by 3 pieces of bracket weldings at middle part and formed, and can be processed into using aluminum sheet material, I-shaped
Support body 21 is fixedly connected by bolt 22 with three-jaw chuck 11；Rotation can be changed by selecting the bindiny mechanism of different height
The height of mechanism, to adapt to the measurement demand of different back rake angle blades.
Rotating mechanism is fixedly connected in bindiny mechanism, and there is carrying measuring mechanism to surround the work(that propeller hub center axle rotates
Can, including fixture block 32 under fixture block 31, activity, fixture block 33, cushion block 34 and bolt 35,36,37 in activity are fixed, wherein fixed fixture block
31 are fixedly connected on the upper end of I-shaped support body 21 by bolt 35, and the lower fixture block 32 of activity and the lower fixture block 33 of activity pass through bolt 36
It is fixedly connected and fixed fixture block 31 is fastened under activity between fixture block 32 and the lower fixture block 33 of activity, to cause fixture block 32 under activity
Fixture block 31 can be relatively fixed with fixture block under activity 33 to rotate, wherein cushion block 34 is U-shaped structure, and the U-shaped bottom of cushion block 34 passes through
Bolt 37 is fixedly connected in activity on fixture block 33, and the U-shaped both sides of cushion block 34 are located at the front and rear side of crossfoot respectively.In the present embodiment
In, fixed fixture block 31, the lower fixture block 32 of activity, fixture block 33, cushion block 34 are made of aluminium panels in activity, using stainless steel
Bolt 35,36,37 connects, wherein shape between fixture block 33 forms on the lower fixture block 32 of activity, activity active fastening block and fixed fixture block
Into spin friction is slided, have that mechanism is simple, in light weight, convenient disassembly, damping due to rotation is adjustable, assembly precision is high, once installs additional
After moderate lubrication agent, with little need for advantages such as later maintenance.
Retaining mechanism is fixedly connected on rotating mechanism, is mainly used to lock crossfoot, including two short briquetting is 41, one long
44, four bolts 45 of the latch segment of connecting rod 43, two of briquetting 42, four and two depression bars 46, the short briquetting 41 of two of which are distinguished
The both sides of long briquetting 42 are placed in, two short briquetting 41 is pressed on crossfoot, and long briquetting 42 is pressed on short briquetting 41 and crossfoot, two pressures
Bar 46 is penetrated and is pressed on long briquetting 42 by the hole of the centre of two latch segments 44 respectively, and connecting rod 43 and bolt 45 pass through lock
The hole of the tight front and rear sides of block 44 is penetrated and is connected to the U-shaped both sides of cushion block 34, and latch segment 44 is fixedly connected with cushion block 34, from
And retaining mechanism is fixedly connected on rotating mechanism, and crossfoot is fixedly connected between retaining mechanism and rotating mechanism.
In the present embodiment, short briquetting 41, long briquetting 42, connecting rod 43, latch segment 44 and depression bar 46 be respectively adopted brass material processing and
Into ensure that overall attractive in appearance and durability.Wherein, two short briquetting 41 is set in the lower section both sides of long briquetting 42, on the one hand
The top that the positioning of long briquetting 42 is fixedly installed on to crossfoot can be facilitated, on the other hand, when needing transverse shifting crossfoot, only needed
Two short briquetting 41 is extracted out to be moved to crossfoot.
Measuring mechanism is fixedly connected between rotating mechanism and retaining mechanism, including crossfoot 51, laser range finder 52, slip
The engaging of pedestal 53, counterweight 54, dial 55, bolt 56,57, wherein crossfoot 51 is positioned over the cushion block 34 in rotating mechanism
In U-shaped structure, and it is locked by retaining mechanism.Wherein laser range finder 52 is slidably connected at by glide base 53
On crossfoot 51, as shown in Fig. 2 glide base 53 is connected in the groove of both sides up and down of crossfoot 51 by bolt 56,57 so that
Laser range finder 52 can slide relative to crossfoot 51 is horizontal；The main measuring section of crossfoot 51 is placed in one end of rotating mechanism,
Counterweight 54 is set on the crossfoot 51 of the other end of rotating mechanism, to cause both sides weight of the crossfoot 51 relative to rotating mechanism
It is equal, solve because crossfoot 51 is inconsistent in rotating mechanism both sides weight and cause crossfoot 51 to loosen, so as to ensure crossfoot 51
Measurement accuracy；Dial 55 is arranged on the fixation fixture block 31 of rotating mechanism, and axial-rotation can be measured by dial 55
Angle.
In the present embodiment, crossfoot 51 can use aluminium section side empty, can increase measurement range, can reach 5.5 meters；
The length of the longitudinal direction of propeller is wherein measured using laser range finder 52, the center for solving existing perpendicular chi and crossfoot
Line is misaligned and the problem of influenceing measurement accuracy, laser range finder 52 is directly slidably connected at crossfoot 51 by glide base 53
Underface, center line can overlap, and improve measurement accuracy, and also more convenient relative to the measurement of perpendicular chi, be not required to directly and spiral shell
Revolve oar contact, it is only necessary to laser range finder 52 is moved to the surface for the opening position for needing to measure, passes through infrared light spot
Graticule promptly can be carried out in blade, no matter the vertical position of blade or horizontal position measurement, more convenient and quicker of ruling, reduce measurement
Error.In addition, crossfoot 51 can conveniently dismantle, and by using can along the length direction of crossfoot 51 slide laser range finder 52,
Propeller blade face to not dismantling is carried out pitch measurement to become possible to.
The beneficial effect of the airscrew pitch measurement apparatus of the utility model preferred embodiment has：1st, it is simple in construction, be easy to
Safeguard；2nd, appearance looks elegant, simplicity generosity；3rd, rotating mechanism rotation is steady, and dial 55 is arranged on rotating mechanism, accurate in fixed
Really, fast, the convenient reading of dial 55, it is used cooperatively with laser range finder 52, time of measuring can shorten more than 30%；4th, by
In employing laser range finder, eliminate existing perpendicular chi slides up and down friction, is reduced to less than vertical survey error
2mm；5th, measurable paddle size scope is wider, and maximum measurement diameter is up to 11 meters or so；6th, crossfoot 51 and rotating mechanism master
Body is made of duralumin material, and while proof strength, weight also substantially reduces, and durability is also significantly lifted.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the utility model person of ordinary skill in the field
For, without departing from the concept of the premise utility, some equivalent substitutes or obvious modification, and performance can also be made
Or purposes is identical, the scope of protection of the utility model should be all considered as belonging to.
Claims (10)
1. a kind of airscrew pitch measurement apparatus, it is characterised in that including detent mechanism, rotating mechanism, retaining mechanism and measurement
Mechanism, the measuring mechanism include crossfoot and laser range finder, and the laser range finder can be along the length side of the crossfoot
To being slidably connected in the underface of the crossfoot, wherein：The rotating mechanism is arranged at the top of the detent mechanism, described
Crossfoot is placed on the rotating mechanism, and the retaining mechanism is arranged above the crossfoot and is fixedly connected with the rotating mechanism
So that the crossfoot is fixedly installed between the rotating mechanism and the retaining mechanism.
2. airscrew pitch measurement apparatus according to claim 1, it is characterised in that also including bindiny mechanism, the company
Connection mechanism is fixedly connected between the detent mechanism and the rotating mechanism.
3. airscrew pitch measurement apparatus according to claim 2, it is characterised in that the rotating mechanism includes fixing card
Block, active fastening block and cushion block, wherein the fixing card block is fixedly connected in the bindiny mechanism, the active fastening block is linked in
To enable the active fastening block to be rotated relative to the fixed fixture block on the fixed fixture block；The cushion block is fixedly connected on
On the active fastening block, the crossfoot is placed on the cushion block.
4. airscrew pitch measurement apparatus according to claim 3, it is characterised in that the cushion block is U-shaped structure, wherein
The cushion block is fixedly connected on the active fastening block by the bottom of U-shaped structure, and the crossfoot is fastened on the U-shaped of the cushion block
In structure.
5. airscrew pitch measurement apparatus according to claim 3, it is characterised in that the active fastening block is included under activity
Fixture block and the upper fixture block of activity, the lower fixture block of the activity are fixedly connected with the upper fixture block of the activity, and the lower fixture block of the activity and institute
State lower end and upper end that fixture block in activity is fastened on the fixed fixture block respectively.
6. airscrew pitch measurement apparatus according to claim 3, it is characterised in that the retaining mechanism include briquetting,
Depression bar, latch segment and connecting rod, wherein the briquetting is arranged on the crossfoot, the latch segment is arranged on the briquetting,
The connecting rod is fixedly connected on the cushion block through the latch segment, and the depression bar penetrates the latch segment and is pressed in described
On briquetting.
7. airscrew pitch measurement apparatus according to claim 3, it is characterised in that the measuring mechanism also includes scale
Disk, the dial are fixedly connected on the fixed fixture block.
8. airscrew pitch measurement apparatus according to claim 1, it is characterised in that the measuring mechanism also includes balance
Counterweight, it is slidably connected at wherein the crossfoot crosses in the both ends of the rotating mechanism, the laser range finder positioned at the rotation
On the crossfoot of the first end of rotation mechanism, the counterweight is fixedly connected on the institute positioned at the second end of the rotating mechanism
State on crossfoot.
9. airscrew pitch measurement apparatus according to claim 1, it is characterised in that the measuring mechanism also includes sliding
Pedestal, the glide base can be slidably connected on the crossfoot along the length direction of the crossfoot, the Laser Measuring
Distance meter is fixedly connected on the glide base.
10. the airscrew pitch measurement apparatus according to any one of claim 1 to 9, it is characterised in that the crossfoot and/
Or the rotating mechanism is made of duralumin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207160.9U CN207180617U (en) | 2017-09-19 | 2017-09-19 | A kind of airscrew pitch measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207160.9U CN207180617U (en) | 2017-09-19 | 2017-09-19 | A kind of airscrew pitch measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207180617U true CN207180617U (en) | 2018-04-03 |
Family
ID=61748691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721207160.9U Active CN207180617U (en) | 2017-09-19 | 2017-09-19 | A kind of airscrew pitch measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207180617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764847A (en) * | 2018-12-29 | 2019-05-17 | 镇江同舟螺旋桨有限公司 | A kind of new type propeller pitchometer |
| CN110081798A (en) * | 2019-03-01 | 2019-08-02 | 武汉船用机械有限责任公司 | The test fixture in the paddle flange installation gap of propeller |
-
2017
- 2017-09-19 CN CN201721207160.9U patent/CN207180617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764847A (en) * | 2018-12-29 | 2019-05-17 | 镇江同舟螺旋桨有限公司 | A kind of new type propeller pitchometer |
| CN110081798A (en) * | 2019-03-01 | 2019-08-02 | 武汉船用机械有限责任公司 | The test fixture in the paddle flange installation gap of propeller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207180617U (en) | A kind of airscrew pitch measurement apparatus | |
| CN208443547U (en) | A kind of steel structure net rack amount of deflection simple detection device | |
| CN207867909U (en) | A kind of measurement Gear Root residual stress angle regulator | |
| CN206788257U (en) | A kind of antenna measurement mounting bracket | |
| CN205482751U (en) | Utensil is examined to major axis deep hole axiality | |
| CN219244489U (en) | Detachable tower mapping tool for wind power gear box | |
| CN210221025U (en) | High-precision bar runout measuring instrument | |
| CN205718770U (en) | Bearing outer ring height dimension test measuring device | |
| CN103575258B (en) | Wirerope center measures target framework | |
| CN108801116A (en) | A kind of shaft connecting bearing measuring device for windage | |
| CN206724930U (en) | A kind of fit clearance detection means of power transmission shaft hub splines and spline axle head | |
| CN201993082U (en) | Testing device for surveying material deformation | |
| CN209446051U (en) | GPS static state altitude meter | |
| CN108615546A (en) | A kind of measurement Gear Root residual stress angle regulator | |
| CN209840945U (en) | Shaft key groove symmetry measuring device | |
| CN209524857U (en) | A kind of railway locomotive wheel footpath ruler | |
| CN207501838U (en) | Rotor chute verifying attachment | |
| CN112797950A (en) | Railway gravity balance type ultrahigh detection device and use method thereof | |
| CN207991436U (en) | Capacity eccentric bearing eccentricity measures tooling | |
| CN208206109U (en) | A kind of very poor measuring tool of top plate | |
| CN207407829U (en) | A kind of standard clearance device | |
| CN202304801U (en) | Differential meter seat of crankshaft phase angle checking jig | |
| CN207472219U (en) | A kind of target center special measuring tool | |
| CN203364821U (en) | Four-angle level gauge | |
| CN206177179U (en) | Vapour car front wheel hub assembly value detection device that beats |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |