CN208872464U - Static balance testing device for propeller - Google Patents
Static balance testing device for propeller Download PDFInfo
- Publication number
- CN208872464U CN208872464U CN201821748121.4U CN201821748121U CN208872464U CN 208872464 U CN208872464 U CN 208872464U CN 201821748121 U CN201821748121 U CN 201821748121U CN 208872464 U CN208872464 U CN 208872464U
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- China
- Prior art keywords
- propeller
- support base
- air plug
- plug gauge
- static balance
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Abstract
The utility model discloses a kind of static balance testing devices for propeller, including measuring support base, air plug gauge, several amount of unbalance detection sensors, measure the convex spherical being equipped in the middle part of support base upward, the concave spherical surface to match with convex spherical is equipped among air plug gauge bottom, air plug gauge upper end is the mounting portion for installing propeller, and several amount of unbalance detection sensors are uniformly distributed in spherical surface periphery and are located between measurement support base and air plug gauge bottom；Amount of unbalance detection sensor is electrically connected with master controller.The static balance testing device of the utility model can quickly obtain the Mass Distribution situation and the beat amplitude of propeller out of propeller circle circumferential direction, to quickly obtain the eccentric size and orientation of unbalanced propeller, the labor intensity of operator is reduced, to substantially increase detection accuracy and detection efficiency；Have the advantages that structure is simple, detection is easy to assembly, detection accuracy is high.
Description
Technical field
The utility model relates to mechanical equipment technical fields more particularly to a kind of for detecting the quiet of heavy duty marine propeller
Balance detecting device.
Background technique
Marine propeller casting and mismachining tolerance in terms of due to, as blade thickness, width, blade between angle,
The error of blade back rake angle；The propeller of repairing due to the above-mentioned error left when factory, and by actual use, makes each
Blade inclination angle, screw pitch change because timeliness acts on, such as chemical property, the inhomogeneities of mechanical performance due to material,
As a result make each blade chemical attack, bubble cavitation, abrasion etc. that unbalanced, blade damage reparation, grinding process after cut edge be presented
It is improper；These will cause propeller center of gravity and are not overlapped with wire mandrel in propeller hub.When the eccentric distance e of the two becomes propeller works
Generate a reason of vibration.Property when propeller operates is unbalance dynamic.But since the revolving speed of propeller is not high, draw ratio
Less, it is made outside dynamic balance running unless there are particular/special requirement in practical, generally only makees static balance detection, is examined by static balance
It surveys, in allowed limits by the unbalance control of physical presence.
Traditional static balance detection generallys use balance shaft extension weight method measuring device and is detected, as shown in Figure 1, propeller
1 is propped up using horizontal mandrel 2a setting, and the both ends mandrel 2a are supported on support square iron 4a using rolling bearing 3a, propeller 1
Both ends are mounted on mandrel 2a by cone-shaped ejecting block 5a and by nut 6a locking connections.When carrying out propeller statical equilibrium detection,
Their packaging technology are as follows: stand on the left end mandrel 2a in ground surface platform downward vertically by crane etc. → again by cone-shaped ejecting block 5a
On sliding sleeve to mandrel 2a → with crane etc. 1 taper hole big end of propeller is set to downwards on mandrel 2a → propeller taper hole small end successively
It loads onto cone-shaped ejecting block 5a, gasket, nut 6a, and combination of the above body is hung to level with special spanner tightening nut → with crane etc.
→ load onto rolling bearing 3a → by entire assembly at the both ends mandrel 2a and fall to normal price to support square iron 4a.The measurement of this structure fills
Set it is every primary using once just to assemble and disassemble, due to the fit clearance very little of cone-shaped ejecting block, locking nut, rolling bearing and mandrel,
When having scratch, protrusion, rusty stain, dirt in mating surface, assembly and disassembly will be caused difficult；In addition, heavy duty marine propeller and being used for
The weight of the mandrel of detection is heavy, weighing several tons, other attachmentes for assembling need two people or more that can just move, and assembles time-consuming expense
Power, there are unsafe hidden danger；Application site bad environments when storage, usually without good protection, easily make surface of the work fall dirt
Soil and get rusty so that measurement accuracy is difficult to ensure.
Utility model content
The purpose of the utility model is to provide a kind of static balance testing devices for propeller, to solve in the prior art
It is hung when weight method measures using conventional balanced axis in the presence of the technical problem that measurement is inconvenient, detection accuracy and detection efficiency are low.
To achieve the above object, the technical solution of the utility model is:
A kind of static balance testing device for propeller of the utility model, including measurement support base, air plug gauge, number
A amount of unbalance detection sensor, is equipped with convex spherical upward in the middle part of the measurement support base, among the air plug gauge bottom
Equipped with the concave spherical surface to match with the convex spherical, the air plug gauge upper end is the mounting portion for installing propeller, described
Several amount of unbalance detection sensors are uniformly distributed in spherical surface periphery and are located at the measurement support base and the air plug gauge bottom
Between portion；The amount of unbalance detection sensor is electrically connected with master controller, for detecting the beat direction of unbalanced propeller
And amplitude of fluctuation.
Further improvement lies in that several amount of unbalance detection sensors include four weighing sensors and several angles position
Displacement sensor, the weighing sensor are used to detect the Mass Distribution situation of the propeller circle circumferential direction；The angular displacement passes
Sensor is used to detect the deflection angle of the propeller.
Further improvement lies in that further including four mandrel leveling jacking cylinders, the mandrel leveling jacking cylinder is along measurement
The circumferencial direction of support base is uniformly arranged on the measurement support base, and the weighing sensor is set to mandrel leveling top
On the piston of oil-lifting jar.
Further improvement lies in that the air plug gauge further includes four amesdials for being used for mandrel centering, the amesdial
It is uniformly arranged on the circumference of the mounting portion bottom, the amesdial passes through adapter respectively and is electrically connected with the master controller
It connects.
Further improvement lies in that spherical surface is equipped with groove in the middle part of the convex spherical, the bottom portion of groove passes through oil feed line
It is connected to hydraulic oil supply system.
Further improvement lies in that further including working slider, the working slider is the work of servo-controlled two-axle interlocking
Platform, the measurement support base are set on the workbench.
Further improvement lies in that further including a support base jacking cylinder, the cylinder body of the support base jacking cylinder is set to
On the workbench, the piston of the support base jacking cylinder is connect with the measurement support base bottom.
Due to using above technical scheme, make it have following beneficial effect is the utility model:
Compared with prior art, the static balance testing device of the utility model is vertical by the way that propeller to be horizontally fixed on
On air plug gauge, mandrel uses the structural support of static pressure spherical surface, and weighing sensor and angle is arranged between mandrel and measurement support base
Displacement sensor, weighing sensor can quickly obtain the Mass Distribution situation of propeller circle circumferential direction, and angular displacement sensor can
Quickly to obtain the beat amplitude of propeller, to quickly show that the eccentric size of unbalanced propeller and orientation, use are this
Structure carries out detection propeller statical equilibrium and has been greatly improved detection accuracy；Meanwhile the static balance testing device of this structure
Attachment is few, simple for assembly process, and the labor intensity of operator can be greatly reduced, improve detection efficiency；With structure letter
The advantage single, detection is easy to assembly, detection accuracy is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for hanging the measuring device of weight method using balance shaft in the prior art；
Fig. 2 is a kind of structural schematic diagram of the static balance testing device for propeller of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Fig. 2, the utility model provides a kind of static balance testing device for propeller, including measurement support
Seat 2, air plug gauge 3, several amount of unbalance detection sensors, it is described to measure equipped with convex spherical upward in the middle part of support base 2, it is described
The concave spherical surface to match with the convex spherical is equipped among 3 bottom of air plug gauge, 3 upper end of air plug gauge is for installing spiral shell
The mounting portion of paddle is revolved, several amount of unbalance detection sensors are uniformly distributed in spherical surface periphery and are located at the measurement and support
Between seat 2 and 3 bottom of the air plug gauge；The amount of unbalance detection sensor is electrically connected with master controller (not shown)
It connects, amount of unbalance detection sensor is for detecting the unbalanced beat direction of propeller 1 and amplitude of fluctuation.
Specifically, in the present embodiment, several amount of unbalance detection sensors include four weighing sensors 4 and several angles position
Displacement sensor, the weighing sensor 4 are used to detect the Mass Distribution situation of the propeller circle circumferential direction, and the angular displacement passes
Sensor is used to detect the deflection angle of the propeller 1.
It further include four mandrels leveling jacking cylinders 41 in the present embodiment as a preferred embodiment of the utility model,
The mandrel leveling jacking cylinder 41 is uniformly arranged on the measurement support base 2 along the circumferencial direction of measurement support base 2, and four
Weighing sensor 4 is respectively equipped on the piston of mandrel leveling jacking cylinder 41.
It is same between adjustment propeller 1 and air plug gauge 3 in order to facilitate as a preferred embodiment of the utility model
Heart degree, in the present embodiment, the air plug gauge 3 further includes four amesdials 31 for being used for mandrel centering, and four amesdials 31 are equal
On the even circumference for being set to the mounting portion bottom, the amesdial 31 is electrically connected by adapter and the master controller respectively
It connects.
Inspection is improved as a preferred embodiment of the utility model in order to reduce the coefficient of friction of convex spherical and concave spherical surface
Precision is surveyed, the middle part spherical surface of the convex spherical or concave spherical surface can be arranged to groove 21, the bottom portion of groove passes through oil feed line 22
Be connected to external hydraulic oil supply system, when work, hydraulic oil supply system will be between hydraulic oil indentation convex spherical and concave spherical surface
In groove 21, make to form one layer of oil film in cavity between the two, under the action of oil film, air plug gauge 3 and measurement support base 2
Between frictional force in critical field of the propeller there are amount of unbalance itself on entire measurement result influence it is minimum, improve
Detection accuracy.
As a preferred embodiment of the utility model, further improvement lies in that, it further include working slider 5, the work
Slide unit 5 is the workbench of servo-controlled two-axle interlocking, and the measurement support base is set on the workbench.Joined using two axis
Dynamic worktable support measures support base, can flexibly adjustment air plug gauge 3 and measurement support base 2 center line registration.
As a preferred embodiment of the utility model, further improvement lies in that, it further include a support base jacking cylinder 51,
The cylinder body of the support base jacking cylinder 51 is set on the workbench, the piston of the support base jacking cylinder and the survey
Measure the bottom connection of support base 2.
In the amount of being balanced detection, propeller 1 is fixed on the mounting portion of air plug gauge 3, mounting portion has
Step surface, for 1 taper hole big end of propeller to trapping on 3 mounting portions of air plug gauge, 1 taper hole small end of propeller passes through cone-shaped ejecting block
6 keep concentric with air plug gauge 3, and are connected as one propeller, air plug gauge 3, cone-shaped ejecting block 6 with nut 61, herein mistake
Cheng Zhong can carry out centering adjusting by the display of amesdial 31, the propeller and air plug gauge 3 that are installed on integrated are placed on
On the convex spherical for measuring support base 2, hydraulic oil supply system work makes to form one layer of oil film between convex spherical and concave spherical surface, four
Mandrel leveling jacking cylinder 41 is in returns state, the bottom disengaging of weighing sensor 4 and air plug gauge 3, when propeller 1 exists
When amount of unbalance, propeller 1 will be to side skew, at this point, the inclined amplitude of propeller 1 represents the size of amount of unbalance, spiral
The angle of paddle skew corresponds to 1 amount of unbalance of propeller and is in which phase in horizontal 360-degree；Four mandrel leveling jacking oil
Cylinder 41 lifts, and makes four jackings of weighing sensor 4 to horizontality, at this point, can be according to the weight data of four weighing sensors
And skew angle, it obtains amount of unbalance, to be balanced adjustment according to amount of unbalance, i.e., side is cut down or incited somebody to action again
It aggravates light side.
The static balance testing device of the utility model can quickly obtain the eccentric size and orientation of unbalanced propeller, so that
When carrying out detection propeller statical equilibrium using this structure, it is greatly improved the efficiency of detection accuracy and detection and balancing；
Meanwhile the attachment of the static balance testing device of this structure is few, and it is simple for assembly process, the labour of operator can be greatly reduced
Intensity；Have the advantages that structure is simple, detection is easy to assembly, detection accuracy is high.
It should be appreciated that the regular job habit and Figure of description of the noun of locality is binding operation person and user and set
Vertical, their appearance should not influence the protection scope of the utility model.
Combine figure embodiment that the utility model is described in detail above, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not constitute practical to this
Novel restriction, the utility model will be using the ranges that the appended claims define as the protection scope of the utility model.
Claims (7)
1. being used for the static balance testing device of propeller, which is characterized in that including measuring support base, air plug gauge, several injustice
Measure detection sensor, convex spherical upward be equipped in the middle part of the measurement support base, be equipped among the air plug gauge bottom with
The concave spherical surface that the convex spherical matches, the air plug gauge upper end are mounting portion for installing propeller, it is described it is several not
Balance quantity detection sensor be uniformly distributed in spherical surface periphery and be located at the measurement support base and the air plug gauge bottom it
Between；The amount of unbalance detection sensor is electrically connected with master controller, for detecting beat direction and the pendulum of unbalanced propeller
Dynamic amplitude.
2. static balance testing device according to claim 1, which is characterized in that several amount of unbalance detection sensors
Including four weighing sensors and several angular displacement sensors, the weighing sensor is for detecting the propeller circle circumferential direction
Mass Distribution situation；The angular displacement sensor is used to detect the deflection angle of the propeller.
3. static balance testing device according to claim 2, which is characterized in that further include four mandrel leveling jacking oil
Cylinder, the mandrel leveling jacking cylinder is uniformly arranged on the measurement support base along the circumferencial direction of measurement support base, described
Weighing sensor is set on the piston of the mandrel leveling jacking cylinder.
4. static balance testing device according to claim 1, which is characterized in that the air plug gauge further includes four and is used for
The amesdial of mandrel centering, the amesdial are uniformly arranged on the circumference of the mounting portion bottom, and the amesdial leads to respectively
Adapter is crossed to be electrically connected with the master controller.
5. static balance testing device according to claim 1, which is characterized in that spherical surface is equipped with recessed in the middle part of the convex spherical
Slot, the bottom portion of groove are connected to by oil feed line with hydraulic oil supply system.
6. static balance testing device described in any one of -4 according to claim 1, which is characterized in that it further include working slider,
The working slider is the workbench of servo-controlled two-axle interlocking, and the measurement support base is set on the workbench.
7. static balance testing device according to claim 6, which is characterized in that further include a support base jacking cylinder, institute
The cylinder body for stating support base jacking cylinder is set on the workbench, the piston of the support base jacking cylinder and measurement branch
Support the connection of seat bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821748121.4U CN208872464U (en) | 2018-10-26 | 2018-10-26 | Static balance testing device for propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821748121.4U CN208872464U (en) | 2018-10-26 | 2018-10-26 | Static balance testing device for propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872464U true CN208872464U (en) | 2019-05-17 |
Family
ID=66470932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821748121.4U Expired - Fee Related CN208872464U (en) | 2018-10-26 | 2018-10-26 | Static balance testing device for propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208872464U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113380133A (en) * | 2021-07-07 | 2021-09-10 | 重庆建筑科技职业学院 | Architectural design sample removes display device |
| CN116577020A (en) * | 2023-07-13 | 2023-08-11 | 常州市中海船舶螺旋桨有限公司 | Marine screw static balance check out test set |
-
2018
- 2018-10-26 CN CN201821748121.4U patent/CN208872464U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113380133A (en) * | 2021-07-07 | 2021-09-10 | 重庆建筑科技职业学院 | Architectural design sample removes display device |
| CN116577020A (en) * | 2023-07-13 | 2023-08-11 | 常州市中海船舶螺旋桨有限公司 | Marine screw static balance check out test set |
| CN116577020B (en) * | 2023-07-13 | 2023-10-20 | 常州市中海船舶螺旋桨有限公司 | Marine screw static balance check out test set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 Termination date: 20201026 |