CN208751455U - A kind of adjustable pitch propeller pitch measurement device - Google Patents
A kind of adjustable pitch propeller pitch measurement device Download PDFInfo
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- CN208751455U CN208751455U CN201821310313.7U CN201821310313U CN208751455U CN 208751455 U CN208751455 U CN 208751455U CN 201821310313 U CN201821310313 U CN 201821310313U CN 208751455 U CN208751455 U CN 208751455U
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- 238000005259 measurement Methods 0.000 title claims abstract description 60
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000004441 surface measurement Methods 0.000 claims abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
- 241000193935 Araneus diadematus Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a kind of adjustable pitch propeller pitch measurement devices, comprising: pedestal, support component, platform, blade rack, vertical bar, measuring rod and sliding block；The support component and platform are located at the both ends of the pedestal；The blade rack is vertically arranged on the pedestal and between support component and platform, and top is provided with the groove mobile for the sliding block；The vertical bar is installed on the platform and can rotate by axis of Platform center；The measuring rod is installed on above the blade rack, and is parallel to each other with the pedestal, is fixedly connected close to one end of the platform is vertical with the vertical bar, one end of the close support component is equipped with the measurement component perpendicular to the measuring rod；The sliding block is displaced into the groove at the top of the blade rack, and measuring rod is pushed to rotate by the center of circle of the vertical bar, and drives measurement component slippage in propeller blade surface measurement.This pitch measurement device has the advantages that structure is simple and convenient to operate.
Description
Technical field
The utility model relates to maintenance of the vessel technical fields, fill more particularly to a kind of adjustable pitch propeller pitch measurement
It sets.
Background technique
Propeller refers to be rotated in water by blade, the dress that maneuver energy will be started to be converted by shafting propulsive force
It sets, can there are multiple blades to be connected with hub, the one side backward of leaf is helicoid or a kind of propeller for being similar to helicoid.Propeller
Be usually applied in the propulsion system of aircraft, navigation vessels, there are many type, particularly may be divided into fixed (paddle) away from and variable-pitch propeller
Two major classes.Wherein variable-pitch propeller can be described as adjustable pitch propeller, refer to by propeller hub built-in mechanism rotate blade, make its with
The angle of propeller hub changes, and reaches the propeller for adjusting screw pitch to adapt to various operating conditions.
Many propulsion systems are all made of variable-pitch propeller in current navigation vessels.Since ship is locating in shipping process
Environment it is different, the blade of propeller may have different degrees of burn into cavitation, collision defect in actual use
Or situations such as deformation, so that generating dynamic unbalance, and then influence propulsive efficiency.In the repair procedures of propeller blade,
Especially there are deburring, repair welding polishing, fire attack adjustment deformation or blade to cut and study for a second time courses one has flunked in reason, through often to detect screw blade after repairing
The balance of piece.For the balance check after controllable pitch propeller blade repair, screw pitch detection is one and its important measurement
Parameter.
The airscrew pitch measurement method of early stage is mainly made of light instruments such as single ruler, protractor and compasses,
The screw pitch of adjustable pitch propeller is measured with light instrument, there are inconvenient for operation, measurement accuracy is insufficient, influences adjustable spiral shell
The technical problems such as the repairing duration away from propeller.
Utility model content
Based on this, the purpose of the utility model is to overcome shortcoming and deficiency in the prior art, provide a kind of adjustable spiral shell
Away from airscrew pitch measuring device, have the advantages that structure is simple and convenient to operate.
A kind of adjustable pitch propeller pitch measurement device, including pedestal, support component, platform, blade rack, vertical bar,
Measuring rod and sliding block；The support component and platform are located at the both ends of the pedestal；The blade rack is vertically-mounted
In on the pedestal and between the support component and platform, and top is provided with the groove mobile for the sliding block；Institute
Vertical bar is stated to be installed on the platform and can rotate by axis of Platform center；The measuring rod is installed on the blade rack
Side, and is parallel to each other with the pedestal, is fixedly connected close to one end of the platform is vertical with the vertical bar, the close branch
One end of support component is equipped with the measurement component perpendicular to the measuring rod；The sliding block is displaced at the top of the blade rack
In groove, the measuring rod is pushed to rotate by the center of circle of the vertical bar, and drive the measurement component slippage in propeller blade
Surface measurement.
The utility model is achieved through the following technical solutions: the adjustable pitch propeller pitch measurement device passes through
The flange end of propeller blade to be measured is placed on blade rack, and supports the blade of propeller blade to be measured with support component
End；It is displaced by sliding block in the groove of the cradle top, the measuring rod is pushed to rotate by the center of circle of the vertical bar, and
Drive the measurement component slippage in propeller blade surface different location to measure airscrew pitch data corresponding thereto
Value, has many advantages, such as that structure is simple and convenient to operate.
Further, the groove at the top of the blade rack is arranged in a mutually vertical manner with the measuring rod, and installation in groove
There is the turbine and worm being connected with the sliding block；The turbine and worm is rotated to drive the sliding block to be displaced into the groove,
And the measuring rod is pushed to carry out circumferencial direction rotation centered on the vertical bar.
Further, the sliding slot mobile for the sliding block is provided in the middle part of the measuring rod；The sliding slot and the leaf
Groove on plate rack is mutually perpendicular to and is connected to；The turbine and worm is rotated to drive the sliding block to be displaced into the sliding slot and recessed
In slot, to adjust the rotational angle of the measuring rod to predetermined value.The setting of the measuring rod upper hopper chute is for rotating measuring rod
Angle is finely adjusted, its rotational angle is made to be accurate to predetermined value.
Further, the rail mobile for the platform is provided on the pedestal between the blade rack and platform
Road；The platform is displaced on the track the distance between blade tip and Platform center point to adjust propeller as spiral
The radius of paddle.The setting is allowed to for adjusting the distance between blade tip and Platform center point of propeller as spiral to be measured
The radius of paddle.Since platform is moveable, therefore the device also can measure the screw pitch of the propeller blade of sizes radius.When
Platform is fixed after being moved to required position, to carry out subsequent measurement.
Further, the blade rack is provided perpendicular to the mark of the pedestal on the side wall of the platform
Line；The support component is to be located at two oil overholds of the two sides of propeller blade middle line；Adjust the height of described two oil overholds
Degree is so that the vertical line of propeller blade flange end is aligned with the tag line.The setting of the tag line is used to detect propeller
It is no to place steadily, when the vertical line of propeller blade flange end is aligned with the tag line, then identify propeller blade
Place the accuracy that steadily ensure that airscrew pitch measurement.
Further, the angle index for measuring the measuring rod rotational angle is provided at the top of the blade rack
Ruler.The setting is used to measure the rotational angle of the measuring rod, facilitates corresponding to screw pitch when recording multiple angle different locations
Data value, and compare and analyze with guarantee measurement accuracy.
Further, the measurement component is the cunning needle that graduated scale is provided on vertical direction；The rotation of the measuring rod
The sliding needle is driven to slide on propeller blade surface, to measure data value corresponding with airscrew pitch.When measuring rod turns
Move certain angle, sliding needle just drawn in screw blade on piece it is arc-shaped, at this point, the graduated scale on sliding needle can read sliding needle
Height value, the height value are the corresponding data value of airscrew pitch position institute.
Further, the measurement component can transverse shifting on the measuring rod.The setting is for adjusting measurement component
At different location, to measure the corresponding data value of screw pitch of propeller blade different location point.
Further, the bottom of the blade rack is the semicircular arc to match with propeller blade flange end.This sets
Setting keeps the placement of propeller blade more steady, convenient for measurement.
The adjustable pitch propeller pitch measurement device of the utility model, by by the blade flange of adjustable pitch propeller
End is placed on the blade rack bottom of semicircular arc, and oil overhold is supported in blade tip one end of propeller blade, and adjusts two oil
The lifting on top is aligned the vertical line of propeller blade flange end with the vertical tag line on the blade rack, to guarantee spiral
Paddle blade is placed steadily, and propeller blade flange end is fixed on blade rack with bolt；Later, by platform along track toward leaf
Plate rack direction is mobile, and the distance between central point and tip of propeller blade for making platform is the radius of propeller, and platform is consolidated
It is fixed, the cunning needle on measuring rod is moved to airscrew pitch tested point；Then rotation turbine and worm driving sliding block is along blade rack
On groove and measuring rod sliding slot it is mobile, to drive measuring rod to carry out circumferencial direction rotation centered on vertical bar, and simultaneously
Measuring rod is turned to predetermined angle angle value by the angle graduated scale at the top of observation blade rack；In measuring rod rotation process, sliding needle
Circular arc line is drawn in screw blade on piece, at this point, reading the reading and record of sliding needle high scale ruler, which is propeller spiral shell
Away from corresponding data value.There is structure to be simple and convenient to operate, measure screw pitch essence for the adjustable pitch propeller pitch measurement device
The advantages that true, provides reliable basis to the maintenance of propeller blade, shortens the maintenance duration.
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the adjustable pitch propeller pitch measurement device of the utility model；
Fig. 2 is the platform structure schematic diagram of the utility model and the sectional view along the direction A-A；
Fig. 3 is the overlooking structure diagram of the blade rack of the utility model；
Fig. 4 is the positive structure diagram of the blade rack of the utility model；
Fig. 5 is the partial schematic diagram of A point shown in Fig. 4 of the utility model.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a.
Referring to Fig. 1, it is the structural schematic diagram of the adjustable pitch propeller pitch measurement device of the utility model.
The adjustable pitch propeller pitch measurement device includes pedestal 10, support component 20, platform 30, blade rack
40, vertical bar 50, measuring rod 60 and sliding block 70；The support component 20 and platform 30 are located at the both ends of the pedestal 10；
The blade rack 40 is vertically arranged on the pedestal 10 and between the support component 20 and platform 30, and top is set
It is equipped with the groove 41 mobile for the sliding block 70；The vertical bar 50 is installed on the platform 30 and can be using Platform center as axis
Rotation；The measuring rod 60 is installed on 40 top of blade rack, and is parallel to each other with the pedestal 10, close to described flat
One end of platform 30 is vertical with the vertical bar 50 to be fixedly connected, and one end close to the support component 20 is equipped with perpendicular to the survey
The measurement component 61 of gauge rod 60；The sliding block 70 is displaced into the groove at 40 top of blade rack, pushes the measuring rod
60 with the vertical bar 50 be center of circle rotation, and drives the measurement component 61 to slide on propeller blade surface to measure and spiral
The corresponding data value of paddle screw pitch.
The pedestal 10 is a rectangular seat, on the pedestal 10, between the blade rack 40 and platform 30
It is provided with the track 11 mobile for the platform 30, to adjust the distance between blade rack 40 and platform 30.
The support component 20 is used to support the blade tip end of propeller blade；Specifically, the support component 20 is difference
Two oil overholds 21 positioned at propeller blade middle line two sides, and the height of two oil overholds 21 is adjustable.To detect propeller blade
Whether place steadily, horizontal and vertical cross spider can be drawn out in the flange end of blade after propeller blade disassembly；Pass through again
Adjust the height of described two oil overholds 21 so that propeller blade flange end draw vertical line be aligned with the tag line, work as spiral shell
When the vertical line of rotation paddle blade flange end is aligned with the tag line, then it represents that propeller blade has been placed steadily, at this time will
Propeller blade is fixed by bolts on blade rack.
The platform 30 is displaced on the track 11 between the blade tip for adjusting propeller and Platform center point
Distance is the radius of propeller to be measured.Since platform 30 is moveable, therefore the adjustable pitch propeller pitch measurement device
It can measure the screw pitch of the propeller blade of a variety of different size radius.It is fixed after platform 30 is moved to required position, with
Carry out subsequent measurement.For example, mobile platform 30 is mobile toward 40 direction of blade rack, when this when the radius of propeller to be measured is R1
When the distance between tip of propeller blade and Platform center point are R1, then it represents that the platform 30 is moved into suitable position,
Just it is fixed, to carry out subsequent measurement.In this way, it can measure and the spiral shell of the propeller blade of different size radius
Away from corresponding data value.
Specifically, referring to Fig. 2, it is the platform structure schematic diagram of the utility model and the sectional view along the direction A-A.Institute
Platform 30 is stated with fixed platform upper 31 and platform lower 32 is mutually twisted by screw thread, which has
Heart through-hole；The platform lower 32 has a recessed portion；The diameter of the hollow bore and the size of recessed portion and the vertical bar 50
Size matches, so that vertical bar 50 can be installed on the platform 30, and can rotate by axis of Platform center.In addition,
The height of platform 30 can be adjusted, by screw thread rotation also to meet the measurement of the propeller at the blade flange end of different-diameter.
Fig. 3 and Fig. 4 are please referred to, wherein Fig. 3 is the overlooking structure diagram of the blade rack of the utility model；Fig. 4 is this
The positive structure diagram of the blade rack of utility model.
The blade rack 40 is vertically arranged on the pedestal 10 and between the support component 20 and platform 30.
Smoothly to place propeller blade, its bottom is designed as to the semicircular arc to match with propeller blade flange end.It is pushed up
Portion is provided with the groove 41 mobile for the sliding block 70；The groove 41 is arranged in a mutually vertical manner with the measuring rod 60, and groove
The turbine and worm 42 being connected with the sliding block 70 is installed in 41；The turbine and worm 42 is rotated to drive the sliding block 70 to move
It moves in the groove 41, and the measuring rod 60 is pushed to carry out circumferencial direction rotation centered on the vertical bar 50.For detection
Whether propeller blade is placed steadily, is also provided perpendicular to institute on the side wall of the platform 30 in the blade rack 40
State the tag line of pedestal 10 (figure does not regard).The tag line is for detecting whether propeller blade is placed steadily.In addition, for convenience of remembering
Data value corresponding to propeller blade screw pitch when recording multiple angles, and the accuracy compared and analyzed to guarantee measurement.
The top of blade rack 40 is also provided with the arc-shaped angle graduated scale 43 for measuring 60 rotational angle of measuring rod；
The arc-shaped angle graduated scale 43 is arranged by the center of circle of 50 center of vertical bar, to be convenient for measuring the angle of rotation of the measuring rod 60
Degree, and make a record, the rotational angle of the measuring rod 60 is up to 120 degree.It specifically, can be by institute in airscrew pitch measurement
The angle for stating measuring rod 60 is adjusted to 5 °, 10 °, 15 °, 20 ° of isogonism angle value, and measurement data record is compared in table with facilitating
Analysis.
The vertical bar 50 is installed on the platform 30 and can revolve by axis of Platform center.
The measuring rod 60 is set to 40 top of blade rack, and is parallel to each other with the pedestal 10, close to institute
The one end for stating platform 30 is fixedly connected with the vertical bar 50 by the way that screw is vertical, is equipped with close to one end of the support component vertical
Directly in the measurement component 61 of the measuring rod.The middle part of the measuring rod 60 is provided with the sliding slot 62 mobile for the sliding block；Institute
It states sliding slot 62 and is mutually perpendicular to and is connected to the groove 41 on the blade rack 40；The turbine and worm 42 is rotated described in drive
Sliding block 70 is displaced into the sliding slot 62 and groove 41, to adjust the rotational angle of the measuring rod 60 to predetermined value.The measurement
The setting of 60 upper hopper chute 62 of bar makes its rotational angle be accurate to predetermined value for being finely adjusted to 60 rotational angle of measuring rod.
The measurement component 61 can transverse shifting on the measuring rod 60.The setting makes to slide for adjusting measurement component 61
Needle is located at the different location of propeller blade, to measure the corresponding data of screw pitch of propeller blade different location point
Value.It, can will be on the measuring rod 60 for example, when needing to measure the screw pitch corresponding data value at the position propeller blade 0.7R
Measurement component 61 is moved to required position, to guarantee that sliding the distance between needle and 30 central point of platform for 0.7R, are pressed
Method like this successively measures data corresponding to the screw pitch of the propeller blade at the positions such as 0.6R, 0.7R, 0.8R, 0.9R
Value, and by measurement data record in table to facilitate comparative analysis.Specifically, the measurement component 61 is to be arranged on vertical direction
There is the cunning needle of graduated scale；The rotation of the measuring rod 60 drives the sliding needle to slide on propeller blade surface, with measurement and spiral shell
The corresponding data value of airscrew pitch.When measuring rod turns to certain angle, sliding needle just drawn in screw blade on piece it is arc-shaped,
At this point, the graduated scale on sliding needle can read the height value of sliding needle, which is the corresponding data value of airscrew pitch.
Referring to Fig. 5, it is the partial schematic diagram of the point of A shown in Fig. 4 of the utility model.
The sliding block 70 is connected with the turbine and worm 42, rotates the turbine and worm 42 to drive the sliding block 70 to move
It moves in the groove 41 of the blade rack 40 and the sliding slot 62 of the measuring rod 60, to adjust the angle of rotation of the measuring rod 60
Spend predetermined value.
The adjustable pitch propeller pitch measurement device of the utility model, by by the blade flange of adjustable pitch propeller
End is placed on the blade rack bottom of semicircular arc, oil overhold is supported in blade tip one end of propeller blade, and adjust two
It is steady that the lifting of oil overhold places propeller blade, on the vertical line and the blade rack to guarantee propeller blade flange end
Vertical tag line alignment；Later, platform is moved along track toward blade rack direction, makes the central point and screw blade of platform
For the distance between tip to fix platform after the radius of propeller, it is to be measured that the cunning needle on measuring rod is moved to airscrew pitch
Point；Then the sliding slot of groove and measuring rod of the rotation turbine and worm driving sliding block on blade rack moves, to drive measurement
Bar carries out circumferencial direction rotation centered on vertical bar, and the angle graduated scale observed at the top of blade rack simultaneously rotates measuring rod
To predetermined angle angle value；In measuring rod rotation process, sliding needle draws circular arc line in screw blade on piece, at this point, reading sliding drypoint
Spend the reading and record on ruler.According to said method, the multiple location points of four propeller blades, multiple rotational angles are successively measured
The corresponding data of screw pitch, and it is recorded in table.Whole propeller blade screw pitch corresponding data values carry out data comparison after having surveyed,
By four propeller blade same positions of comparison, the corresponding data of the screw pitch of same angle, see error amount whether in permission
To detect whether the screw pitch of four blades is qualified in range；And by the comparison of multi-group data value, make the survey of screw pitch respective value
Measure it is more accurate, to determine that the balance of pitch-adjustable propeller blade is met the requirements.Adjustable pitch propeller pitch measurement dress
Setting has many advantages, such as that structure is simple and convenient to operate, measures that screw pitch is accurate, provides reliable basis for the maintenance of propeller blade,
Shorten the maintenance duration.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (9)
1. a kind of adjustable pitch propeller pitch measurement device, it is characterised in that: including pedestal, support component, platform, blade branch
Frame, vertical bar, measuring rod and sliding block；The support component and platform are located at the both ends of the pedestal；The blade rack
It is vertically arranged on the pedestal and between the support component and platform, and top is provided with for sliding block movement
Groove；The vertical bar is installed on the platform and can rotate by axis of Platform center；The measuring rod is installed on the leaf
It above plate rack, and is parallel to each other with the pedestal, is fixedly connected close to one end of the platform is vertical with the vertical bar, leans on
One end of the nearly support component is equipped with the measurement component perpendicular to the measuring rod；The sliding block is displaced into the blade branch
In the groove of top of the trellis, the measuring rod is pushed to rotate by the center of circle of the vertical bar, and drive the measurement component slippage in spiral shell
Revolve paddle blade surface measurement.
2. adjustable pitch propeller pitch measurement device according to claim 1, it is characterised in that: the blade rack top
The groove in portion is arranged in a mutually vertical manner with the measuring rod, and the turbine and worm being connected with the sliding block is equipped in groove；Turn
The turbine and worm is moved to drive the sliding block to be displaced into the groove, and pushes the measuring rod centered on the vertical bar
Carry out circumferencial direction rotation.
3. adjustable pitch propeller pitch measurement device according to claim 2, it is characterised in that: in the measuring rod
Portion is provided with the sliding slot mobile for the sliding block；The sliding slot is mutually perpendicular to and is connected to the groove on the blade rack；Turn
The turbine and worm is moved to drive the sliding block to be displaced into the sliding slot and groove, to adjust the angle of rotation of the measuring rod
Degree.
4. adjustable pitch propeller pitch measurement device according to claim 1, it is characterised in that: be located on the pedestal
The track mobile for the platform is provided between the blade rack and platform；The platform is displaced on the track to adjust
The distance between the blade tip of whole propeller and Platform center point are the radius of propeller.
5. adjustable pitch propeller pitch measurement device according to claim 1, it is characterised in that: the blade rack leans on
The tag line of the pedestal is provided perpendicular on the side wall of the nearly platform；The support component is to be located at screw blade
Two oil overholds of the two sides of piece middle line；Adjust the height of described two oil overholds so that propeller blade flange end vertical line and institute
State tag line alignment.
6. adjustable pitch propeller pitch measurement device according to claim 1, it is characterised in that: the blade rack
Top is provided with the angle graduated scale for measuring the measuring rod rotational angle.
7. adjustable pitch propeller pitch measurement device according to claim 1, it is characterised in that: the measurement component is
The cunning needle of graduated scale is provided on vertical direction；The measuring rod rotation is to drive the sliding needle sliding measurement.
8. adjustable pitch propeller pitch measurement device according to claim 1, it is characterised in that: the measurement component can
Transverse shifting is on the measuring rod.
9. adjustable pitch propeller pitch measurement device according to claim 1, it is characterised in that: the blade rack
Bottom is the semicircular arc to match with propeller blade flange end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821310313.7U CN208751455U (en) | 2018-08-14 | 2018-08-14 | A kind of adjustable pitch propeller pitch measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821310313.7U CN208751455U (en) | 2018-08-14 | 2018-08-14 | A kind of adjustable pitch propeller pitch measurement device |
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| Publication Number | Publication Date |
|---|---|
| CN208751455U true CN208751455U (en) | 2019-04-16 |
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ID=66079442
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821310313.7U Active CN208751455U (en) | 2018-08-14 | 2018-08-14 | A kind of adjustable pitch propeller pitch measurement device |
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| Country | Link |
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| CN (1) | CN208751455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955489A (en) * | 2018-08-14 | 2018-12-07 | 广州中船文冲船坞有限公司 | A kind of adjustable pitch propeller pitch measurement device |
| CN110672299A (en) * | 2019-11-07 | 2020-01-10 | 中国航空工业集团公司哈尔滨空气动力研究所 | Blade angle measuring and adjusting device based on ducted tail rotor wind tunnel test |
-
2018
- 2018-08-14 CN CN201821310313.7U patent/CN208751455U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955489A (en) * | 2018-08-14 | 2018-12-07 | 广州中船文冲船坞有限公司 | A kind of adjustable pitch propeller pitch measurement device |
| CN108955489B (en) * | 2018-08-14 | 2024-03-08 | 广州文冲船舶修造有限公司 | Pitch measuring device of adjustable-pitch propeller |
| CN110672299A (en) * | 2019-11-07 | 2020-01-10 | 中国航空工业集团公司哈尔滨空气动力研究所 | Blade angle measuring and adjusting device based on ducted tail rotor wind tunnel test |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: 511462 building 6, No. 2, No. 10, QIHANG Road, Nansha District, Guangzhou City, Guangdong Province (production management building and auxiliary building of electromechanical comprehensive workshop) (office only) Patentee after: Guangzhou Wenchong Shipbuilding Co.,Ltd. Address before: 511462 No. 10, sailing Road, Nansha District, Guangdong, China, No. 1, 4 (office building), written by myself, Guangzhou Patentee before: CSSC GUANGZHOU WENCHONG DOCKYARD CO.,LTD. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Dechao Inventor after: Zhang Zhiming Inventor after: Feng Lianghuan Inventor before: Li Chaode Inventor before: Zhang Zhiming Inventor before: Feng Lianghuan |