CN204479242U - A kind of adjustable propeller static balance testing device - Google Patents
A kind of adjustable propeller static balance testing device Download PDFInfo
- Publication number
- CN204479242U CN204479242U CN201520104787.6U CN201520104787U CN204479242U CN 204479242 U CN204479242 U CN 204479242U CN 201520104787 U CN201520104787 U CN 201520104787U CN 204479242 U CN204479242 U CN 204479242U
- Authority
- CN
- China
- Prior art keywords
- wallboard
- support
- balance
- testing device
- adjustable propeller
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to propeller processing field, and particularly a kind of adjustable propeller static balance testing device, comprises mounting disc, wallboard, balance stem, sensor, support and bearing seat; While can being detected completing blade static-balance by this device, taking into account detection efficiency and processing safety, solving existing detection technique inefficiency, there is the difficult problems such as potential safety hazard.And by mounting disc installing/dismounting controllable pitch propeller, realize quick despatch.
Description
Technical field
The utility model relates to propeller processing field, particularly a kind of adjustable propeller static balance testing device.
Background technology
The thrust of screw propeller is the main power source on naval vessel, and the vibration that screw propeller rotary motion produces also is the one of the main reasons causing axle system and ship hull vibration.And although prior art has had pure progress to adjustable propeller design optimization aspect, but technically fail to realize NC postprocessing completely in processing and manufacturing, because also there is certain gap in the manufacturing accuracy realizing blade design requirement, blade must be caused in actual operation and reservation design to there is deviation, cause efficiency to reduce, even occur unexpected oscillation phenomenon.
For phenomenon and the problem of above-mentioned existence, heavily testing mainly through adopting to hang one by one in prior art, having determined the overall unbalancedness of every sheet blade.But when size and the own wt increase of blade, weights weight also will increase weight, and sometimes even reaches 1 ~ 2 ton thereupon.So many and heavy counterweight handling are both inconvenient, also there is handling safety hidden danger, easily industrial accident occur.Further, the weight of counterweight is fixed, and measures limited, makes to there is inefficiency, precisely inadequate problem when detecting.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model proposes a kind of pick-up unit that can detect adjustable propeller static equilibrium, can under the condition not using weights, i.e. efficient the but also test completed accurately blade static-balance, its concrete technical scheme is as follows:
A kind of adjustable propeller static balance testing device, comprises mounting disc, wallboard, balance stem, sensor, support and bearing seat;
Described support is framed structure, and bottom is rectangular base, and base is provided with two vertical bearing piles, and bearing pile is symmetrical mutually, and base afterbody is provided with the sensing frame of vertical gate-shaped structure, and sensing frame top is provided with the prone sensor of sensing;
Described mounting disc is the disc-shaped structure containing mesopore, and be outward extended with cylindric support column perpendicular to the side of card, mounting disc is connected and fixed by bolt and support column one end, the support column other end is mounted on wallboard side by bolt, and wallboard opposite side is connected and fixed by bolt and balance stem;
Described balance stem is through the sensing frame of support, and afterbody and sensor symmetry;
Described wallboard is rectangular plate-like structure, and wallboard both sides are respectively equipped with a back up pad, and two support panel faces, all perpendicular to wall panels face, are parallel to each other, and back up pad and board wall are integral type structure; Two back up pads are installed on support bearing pile by axis of symmetry bearing is rotating, and namely wallboard is rotatably installed on support.
Preferably, in technique scheme, bottom described wallboard, be also provided with weight linear meter, for suspended counterweight counterweight.
Preferably, in above-mentioned adjustable propeller balance detecting device, described balance stem is provided with horizontal display instrument, for showing the equilibrium condition of balance stem.
Beneficial effect:
1. the adjustable propeller static balance testing device that the utility model proposes is taken into account detection efficiency and processing safety, is solved existing detection technique inefficiency, there is the difficult problems such as potential safety hazard while can detecting completing blade static-balance.
2. the adjustable propeller static balance testing device that the utility model proposes is by mounting disc installing/dismounting adjustable propeller blade, realizes quick despatch.
3. the adjustable propeller static balance testing device that the utility model proposes, utilizes pressure sensor readings, and dynamometry scope can reach 5000kg, reading accuracy 0.5kg, and measuring accuracy improves greatly.And utilize pressure transducer to replace weights, both improve measurement range, reduced labour intensity, and turn improved measurement efficiency, also assures that safety simultaneously.
4. the adjustable propeller static balance testing device that the utility model proposes also is provided with weight linear meter, by hanging the weights in error allowed band, reaches balance regulating effect flexibly.
Accompanying drawing explanation
Accompanying drawing 1 is side structure schematic diagram of the present utility model.
Embodiment
For making the technical solution of the utility model clear and definite more, below in conjunction with accompanying drawing, the utility model is described in further detail.
Efficient adjustable propeller static balance testing device accurately, comprises mounting disc 101, wallboard 103, balance stem 104, bearing seat 105, support 106 and sensor 107 as shown in Figure 1;
Described support 106 is framed structure, bottom is rectangular base 1062, and it is symmetrical mutually that base is provided with two vertical bearing pile 1061, two bearing piles, base afterbody is provided with the sensing frame 1063 of vertical gate-shaped structure, and sensing frame top is provided with the prone pressure transducer 107 of sensing;
Described mounting disc 101 is the disc-shaped structure containing mesopore, and be outward extended with cylindric support column 102 perpendicular to the side of card, mounting disc 101 is connected and fixed by bolt and support column 102 one end, support column 102 other end is mounted on wallboard 103 side by bolt, and wallboard 103 opposite side is connected and fixed by bolt and balance stem 104;
Described balance stem 104 is through the sensing frame 1063 of support 106, and balance stem afterbody and pressure transducer 107 symmetry; Described balance stem 104 is provided with horizontal display instrument 109, for showing the equilibrium condition of balance stem.
Described wallboard 103 is rectangular plate-like structure, and wallboard both sides are respectively equipped with a back up pad, and two support panel faces, all perpendicular to wall panels face, are parallel to each other.Back up pad and board wall are integral type structure; Two back up pads are installed on support bearing pile by axis of symmetry bearing 105 is rotating, and namely wallboard 103 is rotatably installed on support.Also be provided with weight linear meter 108 bottom wallboard, for suspended counterweight counterweight, in precision allowed band, can on weight linear meter suspended counterweight counterweight, make detection blade reach static equilibrium requirement.
When this pick-up unit uses, by bolt, adjustable propeller quick load is installed in mounting disc.This principle of device is with the equalising torque of leverage, and the gravity of adjustable propeller blade is acting force, and blade center of gravity is the acting force arm of force to the distance of rolling bearing.What pressure transducer showed is reacting force, and sensor is the retroaction arm of force to the distance of rolling bearing.
Adjustable propeller blade generally has 4 ~ 5, the first step: the weight weighing up this batch of blade with hand spring balance; Second step: fill the lightest blade, numerical value based on record sensor reading; Following: to fill other blade successively, read sensor numerical value, when inconsistent with baseline values, utilizes discharge mechanism, to be polished blade, until sensing data is identical after separating sensor by operative employee.The counterweight that also can add in specification allowed band at blade afterbody combines with manual polishing, until sensing data is identical with basic data.When measuring adjustable propeller blade, moment of reaction value when keeping every part adjustable propeller to measure is constant, to reach the requirement of product static equilibrium test.
This embodiment is only the best and exemplifies, the restricted enforcement not to technical solutions of the utility model.Any equivalent technology means of carrying out the present embodiment are replaced and are all fallen in protection domain of the present utility model.
Claims (3)
1. an adjustable propeller static balance testing device, comprises mounting disc, wallboard, balance stem, sensor, support and bearing seat;
Described support is framed structure, and bottom is rectangular base, and base is provided with two vertical bearing piles, and bearing pile is symmetrical mutually, and base afterbody is provided with the sensing frame of vertical gate-shaped structure, and sensing frame top is provided with the prone sensor of sensing;
Described mounting disc is the disc-shaped structure containing mesopore, and be outward extended with cylindric support column perpendicular to the side of card, mounting disc is connected and fixed by bolt and support column one end, the support column other end is mounted on wallboard side by bolt, and wallboard opposite side is connected and fixed by bolt and balance stem;
Described balance stem is through the sensing frame of support, and afterbody and sensor symmetry;
Described wallboard is rectangular plate-like structure, and wallboard both sides are respectively equipped with a back up pad, and two support panel faces, all perpendicular to wall panels face, are parallel to each other, and back up pad and board wall are integral type structure; Two back up pads are installed on support bearing pile by axis of symmetry bearing is rotating, and namely wallboard is rotatably installed on support.
2. adjustable propeller static balance testing device as claimed in claim 1, is characterized in that also being provided with weight linear meter bottom described wallboard, for suspended counterweight counterweight.
3. adjustable propeller static balance testing device as claimed in claim 1, is characterized in that described balance stem is provided with horizontal display instrument, for showing the equilibrium condition of balance stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104787.6U CN204479242U (en) | 2015-02-13 | 2015-02-13 | A kind of adjustable propeller static balance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104787.6U CN204479242U (en) | 2015-02-13 | 2015-02-13 | A kind of adjustable propeller static balance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204479242U true CN204479242U (en) | 2015-07-15 |
Family
ID=53635030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520104787.6U Expired - Fee Related CN204479242U (en) | 2015-02-13 | 2015-02-13 | A kind of adjustable propeller static balance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204479242U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403362A (en) * | 2015-12-11 | 2016-03-16 | 哈尔滨飞机工业集团有限责任公司 | Helicopter blade static balance detection and calibration method |
| CN106595957A (en) * | 2016-10-25 | 2017-04-26 | 江苏大学 | Ship propeller eccentric mass automatic detection method |
| CN112161744A (en) * | 2020-09-29 | 2021-01-01 | 南京乾利合科技有限责任公司 | Rotary high-precision moment balance |
-
2015
- 2015-02-13 CN CN201520104787.6U patent/CN204479242U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403362A (en) * | 2015-12-11 | 2016-03-16 | 哈尔滨飞机工业集团有限责任公司 | Helicopter blade static balance detection and calibration method |
| CN106595957A (en) * | 2016-10-25 | 2017-04-26 | 江苏大学 | Ship propeller eccentric mass automatic detection method |
| CN112161744A (en) * | 2020-09-29 | 2021-01-01 | 南京乾利合科技有限责任公司 | Rotary high-precision moment balance |
| CN112161744B (en) * | 2020-09-29 | 2022-06-21 | 南京乾利合科技有限责任公司 | Rotary high-precision moment balance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101413840B (en) | Device and method for measuring object mass center | |
| CN205175691U (en) | Experimental device for measure air supporting hydrostatic bearing bearing capacity | |
| CN204479242U (en) | A kind of adjustable propeller static balance testing device | |
| CN204286780U (en) | A kind of flexible hinge rotational stiffness experimental apparatus for testing | |
| CN104121878A (en) | Electric actuator clearance testing method | |
| CN103292787A (en) | Tilt angle sensor | |
| CN101706348B (en) | Center-of-mass measuring tool of engine | |
| CN206339297U (en) | A kind of stable type is weighed accurately and is easy to the explosion-proof platform balance checked | |
| CN203203668U (en) | A cantilever beam weighing sensor with bi-symmetric cantilevers | |
| CN201892566U (en) | Hopper scale calibration device | |
| CN203981346U (en) | Routine test hydro-extractor is quiet-mobile equilibrium monitoring device | |
| CN202903392U (en) | Bayonet type polished rod dynamic load sensor | |
| CN205826117U (en) | The small-sized balance of weighing that a kind of laboratory is special | |
| CN203811325U (en) | Tension sensor testing device | |
| CN203479385U (en) | A hopper scale automatic calibration apparatus | |
| CN202938849U (en) | Testing instrument for synchronously testing polished rod load and reducer casing torque of pumping unit | |
| CN205748564U (en) | A kind of tray type electronic balance | |
| CN109612632A (en) | A kind of general-purpose aircraft rudder weight balancing inspection method | |
| CN204359424U (en) | Head tank Weighing module precision checking device | |
| CN102507090A (en) | Precise balancing device | |
| CN206919981U (en) | A kind of buoy level meter for being easy to observation | |
| CN202083448U (en) | Electronic checkweigher for high pressure CO2 steel cylinder | |
| CN110319989A (en) | The lossless detection method of spring rate in in-service spring support hanging frame | |
| CN209247156U (en) | A kind of stable equilibrium device of weighing sensor | |
| CN103954207A (en) | Method for detecting product coaxiality of medium and large step type rotating member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20220213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |