CN2574034Y - Propeller static balancing instrument - Google Patents
Propeller static balancing instrument Download PDFInfo
- Publication number
- CN2574034Y CN2574034Y CN 02209582 CN02209582U CN2574034Y CN 2574034 Y CN2574034 Y CN 2574034Y CN 02209582 CN02209582 CN 02209582 CN 02209582 U CN02209582 U CN 02209582U CN 2574034 Y CN2574034 Y CN 2574034Y
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- Prior art keywords
- lower platform
- spherical bearing
- horizontal
- propeller
- hydraulic spherical
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Abstract
The utility model relates to a propeller static balancing instrument. A lower platform is supported by a main base, a weighing sensor and a jack, and the weighing sensor and the jack are in contact with the lower platform. A hydraulic spherical bearing which is fixedly provided with a horizontal bracing plate is arranged on the lower platform, and an imbalance measuring module, a rotary positioning module and a horizontal positioning module are distributed on the horizontal bracing plate. The hydraulic spherical bearing is connected with a central positioning shaft, and an upper conical block and a lower conical block are arranged on the central positioning shaft. An oil supply pipe which is connected with a pump station system is connected with the hydraulic spherical bearing through the lower part of the main base, and an oil return pipe which is connected with the pump station system extends in an oil sump. Each sensor and each sensor module are connected with a data acquisition, processing and display device. The detection precision of the utility model is improved, the static imbalance numerical values and positions of the propeller can be directly displayed on a computer screen, and the change of the numerical values can be monitored in real time. The multiple working procedures, such as detecting, repairing, weighing, etc., can be completed by assembling the utility model only once.
Description
Technical field
The utility model belongs to the surveying instrument field, especially a kind of instrument of measuring the screw propeller static unbalance.
Background technology
At present, the static unbalance of measuring screw propeller often adopts such device: it comprises a locating shaft that penetrates the propeller center hole, but on this locating shaft, be provided with the awl iron of two centerings, with so that locating shaft is concentric with the propeller center hole, to the centralized positioning axle horizontal frame of screw propeller be housed on two supports, rolling bearing is housed on the support, blade heavier when screw propeller rotates will stop in low position, can determine heavier blade thus, but there are the following problems to use this device: can not determine the unbalanced amount of measured object, thereby, will dismantle down screw propeller after the detection, check is more then installed in place under repair, repair again, need just to finish through repetitive operation repeatedly; Cause the centralized positioning bending shaft because of screw propeller weight is excessive, the accuracy that influence is measured; Relatively large because of rolling bearing friction force, also influence the accuracy that detects.
The utility model content
Problem to be solved in the utility model is to overcome the above-mentioned defective that aforementioned techniques exists, and a kind of propeller statical equilibrium instrument that provides.
The utility model solves its technical matters and takes following technical scheme to realize: a kind of propeller statical equilibrium instrument according to the utility model provides, comprise centralized positioning axle, Horizontal Branch support plate, lower platform, and described lower platform is provided with central through hole; This lower platform by one with the main basal base of its concentric fits be positioned at the distribute LOAD CELLS that has pedestal of installing, the lifting jack that has pedestal of its circumferential edges position and support; The lumen of main basal base is a through hole, in the lumen of main basal base the convex edge is set; Oil cylinder and LOAD CELLS are set on the LOAD CELLS pedestal, and this LOAD CELLS is directly touched lower platform; Being provided with the leveling mechanic jacks on the lifting jack pedestal contacts with lower platform; Above lower platform, be positioned at wherein heart position fixed installation HYDRAULIC SPHERICAL bearing (descending); This HYDRAULIC SPHERICAL bearing is fixed with oil scraper ring, forms oil trap, spill port is set in the oil trap is connected with scavenge pipe; The HYDRAULIC SPHERICAL bearing (on) install with the Horizontal Branch support plate, be positioned at Horizontal Branch support plate circumferential edge portions position, being arranged at distributes to be equipped with between Horizontal Branch support plate and the lower platform lays particular stress on measurement module, positioning of rotating module, horizontal location module; The HYDRAULIC SPHERICAL bearing (on) be connected with the centralized positioning axle, the upper and lower awl piece of location usefulness is housed on the centralized positioning axle; The fuel feed pump that is connected with the pumping station system oil supply hole unique with being positioned at HYDRAULIC SPHERICAL bearing (descending) bottom is connected, and the scavenge pipe that is connected with pumping station system is stretched and is located in the oil trap; Each sensor and sensor assembly are connected with data acquisition, processing, display device.
The utility model solves its technical matters and can also take following technical scheme further to realize:
Aforesaid propeller statical equilibrium instrument is provided with horizontal backing plate between wherein said main basal base and the lower platform;
Aforesaid propeller statical equilibrium instrument, wherein said horizontal backing plate can distribute the 4-8 piece is set;
Aforesaid propeller statical equilibrium instrument, wherein said HYDRAULIC SPHERICAL bearing (descending) is provided with 1-4 road balance annular groove.
Aforesaid propeller statical equilibrium instrument, the wherein said measurement module of laying particular stress on can be that 3-5 is individual, the positioning of rotating module can be that 1-4 is individual, the horizontal location module can be 3-6.
Several ribs that aforesaid propeller statical equilibrium instrument, the below of wherein said lower platform are provided with.
The utility model compared with prior art has significant advantage and beneficial effect.By above technical scheme as can be known, the utility model has following advantage at least under the structural arrangements of excellence:
The utility model has been avoided causing because of testee is overweight the problem of centralized positioning bending shaft, thereby has been improved accuracy of detection because adopt the centralized positioning axle vertically to place; The application sensors module is gathered the numerical value of screw propeller static unbalance; The numerical value of the static unbalance of screw propeller, orientation can directly be shown in computer screen, monitor the variation in unbalanced numerical value, orientation in real time, to need only to have realized that once assembling can be finished detection, multiple working procedure such as repair, weigh; Adopt the HYDRAULIC SPHERICAL bearing to reduce friction force, improved accuracy of detection.
Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof that foundation the utility model is provided, describe in detail as after.
See also Fig. 1, a kind of propeller statical equilibrium instrument comprises centralized positioning axle (9), Horizontal Branch support plate (6), lower platform (3), and described lower platform is provided with central through hole (3b), and its below is provided with several ribs (3a), generally is umbrella thigh shape, strengthens the rigidity of this platform; This lower platform by one with the main basal base (1) of its concentric fits be positioned at the distribute LOAD CELLS that has pedestal (14) of installing, the lifting jack (18) that has pedestal of its circumferential edges position and support; For guaranteeing the levelness of lower platform, horizontal backing plate (2) is set between main basal base (1) and lower platform, described horizontal backing plate can distribute and be provided with some, as the 4-8 piece; The lumen of main basal base (1a) is a through hole, and convex edge (1b) is set in the lumen of main basal base, to prevent that external side force from causing installing fully toppling; Oil cylinder (15) and LOAD CELLS (14) are set on LOAD CELLS pedestal (16), and this LOAD CELLS is directly touched lower platform, utilizes the principle of on-ground weigher to play a part to weigh; On lifting jack pedestal (17), be provided with leveling mechanic jacks (18) and contact, promptly play the effect of setting upright lower platform and bear gravity again from the top with lower platform; Being positioned at wherein above lower platform, heart position fixedly mounts HYDRAULIC SPHERICAL bearing (descending) (4) by bolt, nut; This HYDRAULIC SPHERICAL bearing (descending) is fixed with oil scraper ring (5), forms oil trap (5a), spill port is set in the oil trap is connected with scavenge pipe, and this HYDRAULIC SPHERICAL bearing (descending) is provided with 1-4 road balance annular groove, and oil overflows from this balance annular groove and enters oil trap; The HYDRAULIC SPHERICAL bearing (on) (11) and Horizontal Branch support plate (6) install, be positioned at Horizontal Branch support plate circumferential edge portions position, being arranged at distributes to be equipped with between Horizontal Branch support plate and the lower platform lays particular stress on measurement module (13), positioning of rotating module (12), horizontal location module (19); Laying particular stress on measurement module can be that 3-5 is individual, the positioning of rotating module can be that 1-4 is individual, the horizontal location module can be 3-6; The HYDRAULIC SPHERICAL bearing (on) be connected by bolt with centralized positioning axle (9), the upper and lower awl piece of location usefulness is housed on the centralized positioning axle, use so that centralized positioning axle axle center is concentric with the propeller center hole, wherein the epicone piece is locked with set nut (7); The fuel feed pump (23) that is connected with pumping station system (21) oil supply hole unique with being positioned at HYDRAULIC SPHERICAL bearing (descending) bottom is connected, and the scavenge pipe that is connected with pumping station system (22) is stretched and is located in the oil trap (5a); Each sensor and sensor assembly are connected with data acquisition, processing, display device (20).
When using the utility model to measure the screw propeller static unbalance, the Horizontal Branch support plate remains horizontality, centralized positioning axle and testee that the HYDRAULIC SPHERICAL bearing will be positioned on the Horizontal Branch support plate hold up, form oil film between upper and lower two parts of HYDRAULIC SPHERICAL bearing, because the HYDRAULIC SPHERICAL bearing is by an oil supplying hole input fluid, the oil pressure that produces is not subjected to the interference of horizontal component, the friction force of sphere mesolow bearing (pressure is less than 2Mpa) oil film is far smaller than rolling bearing, can significantly reduce the detection error, efficient is better.Lay particular stress on sensor assembly and contact with the Horizontal Branch support plate, the heeling moment that collects the unbalanced propeller generation sends the data acquisition display device to, through data processing, and output amount of unbalance and uneven orientation.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. a propeller statical equilibrium instrument comprises centralized positioning axle (9), Horizontal Branch support plate (6), lower platform (3), and described lower platform is provided with central through hole (3b); This lower platform by one with the main basal base (1) of its concentric fits be positioned at the distribute LOAD CELLS that has pedestal (14) of installing, the lifting jack (18) that has pedestal of its circumferential edges position and support; The lumen of main basal base (1a) is a through hole, and convex edge (1b) is set in the lumen of main basal base; Oil cylinder (15) and LOAD CELLS (14) are set on LOAD CELLS pedestal (16), and this LOAD CELLS is directly touched lower platform; Being provided with leveling mechanic jacks (18) on lifting jack pedestal (17) contacts with lower platform; Above lower platform, be positioned at wherein heart position fixed installation HYDRAULIC SPHERICAL bearing (descending) (4); This HYDRAULIC SPHERICAL bearing (descending) is fixed with oil scraper ring (5), forms oil trap (5a), spill port is set in the oil trap is connected with scavenge pipe; The HYDRAULIC SPHERICAL bearing (on) (11) and Horizontal Branch support plate (6) install, be positioned at Horizontal Branch support plate circumferential edge portions position, being arranged at distributes to be equipped with between Horizontal Branch support plate and the lower platform lays particular stress on measurement module (13), positioning of rotating module (12), horizontal location module (19); The HYDRAULIC SPHERICAL bearing (on) be connected with centralized positioning axle (9), the upper and lower awl piece of location usefulness is housed on the centralized positioning axle; The fuel feed pump that is connected with pumping station system (21) oil supply hole unique with being positioned at HYDRAULIC SPHERICAL bearing (descending) bottom is connected, and the scavenge pipe that is connected with pumping station system is stretched and is located in the oil trap (5a); Each sensor and sensor assembly are connected with data acquisition, processing, display device (20).
2. propeller statical equilibrium instrument according to claim 1 is characterized in that being provided with between described main basal base (1) and the lower platform horizontal backing plate (2).
3. propeller statical equilibrium instrument according to claim 1 and 2 is characterized in that described horizontal backing plate can distribute the 4-8 piece is set.
4. according to the described propeller statical equilibrium instrument of one of claim 1-3, it is characterized in that described HYDRAULIC SPHERICAL bearing (descending) is provided with 1-4 road balance annular groove.
5. according to the described propeller statical equilibrium instrument of one of claim 1-4, it is characterized in that the described measurement module of laying particular stress on can be that 3-5 is individual, the positioning of rotating module can be that 1-4 is individual, the horizontal location module can be 3-6.
6. according to the described propeller statical equilibrium instrument of one of claim 1-5, it is characterized in that several ribs (3a) that the below of described lower platform is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209582 CN2574034Y (en) | 2002-04-15 | 2002-04-15 | Propeller static balancing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209582 CN2574034Y (en) | 2002-04-15 | 2002-04-15 | Propeller static balancing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574034Y true CN2574034Y (en) | 2003-09-17 |
Family
ID=33689973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02209582 Expired - Lifetime CN2574034Y (en) | 2002-04-15 | 2002-04-15 | Propeller static balancing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2574034Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156024A (en) * | 2011-03-10 | 2011-08-17 | 江苏大学 | Hydraulic static balancing instrument for high-precision ship screw propeller |
| CN104019943A (en) * | 2014-07-02 | 2014-09-03 | 中国民用航空飞行学院 | Method for carrying out dynamic balance on aeroplane propeller by dynamic mass center correction method |
| CN106153253A (en) * | 2016-06-16 | 2016-11-23 | 上海交通大学 | Disk-shaped part center mass measuring device and measuring method |
| CN107101783A (en) * | 2017-05-04 | 2017-08-29 | 江苏科技大学 | A kind of centreless marine propeller static balancing instrument and its static balance detection method |
| CN107255548A (en) * | 2017-06-09 | 2017-10-17 | 镇江四联机电科技有限公司 | A kind of many mesh setting screw oar static balance testing devices based on machine vision |
| CN108267267A (en) * | 2017-12-24 | 2018-07-10 | 宁波高新区若水智创科技有限公司 | A kind of propeller balance detection device |
| CN110779657A (en) * | 2019-10-29 | 2020-02-11 | 江苏科技大学 | Marine propeller static balance detection device and imbalance detection method |
| CN111707412A (en) * | 2020-07-10 | 2020-09-25 | 哈尔滨工业大学 | Large-scale triaxial air bearing table rotational inertia online identification system and inertia algorithm |
| CN113848016A (en) * | 2021-09-14 | 2021-12-28 | 武汉重工铸锻有限责任公司 | Flywheel static balance detection and weight removal method and flywheel static balance detection device |
-
2002
- 2002-04-15 CN CN 02209582 patent/CN2574034Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156024A (en) * | 2011-03-10 | 2011-08-17 | 江苏大学 | Hydraulic static balancing instrument for high-precision ship screw propeller |
| CN102156024B (en) * | 2011-03-10 | 2012-08-15 | 江苏大学 | Hydraulic static balancing instrument for high-precision ship screw propeller |
| CN104019943A (en) * | 2014-07-02 | 2014-09-03 | 中国民用航空飞行学院 | Method for carrying out dynamic balance on aeroplane propeller by dynamic mass center correction method |
| CN106153253A (en) * | 2016-06-16 | 2016-11-23 | 上海交通大学 | Disk-shaped part center mass measuring device and measuring method |
| CN107101783A (en) * | 2017-05-04 | 2017-08-29 | 江苏科技大学 | A kind of centreless marine propeller static balancing instrument and its static balance detection method |
| CN107255548A (en) * | 2017-06-09 | 2017-10-17 | 镇江四联机电科技有限公司 | A kind of many mesh setting screw oar static balance testing devices based on machine vision |
| CN108267267A (en) * | 2017-12-24 | 2018-07-10 | 宁波高新区若水智创科技有限公司 | A kind of propeller balance detection device |
| CN108267267B (en) * | 2017-12-24 | 2019-10-01 | 宁波高新区若水智创科技有限公司 | A kind of propeller balance detection device |
| CN110779657A (en) * | 2019-10-29 | 2020-02-11 | 江苏科技大学 | Marine propeller static balance detection device and imbalance detection method |
| CN110779657B (en) * | 2019-10-29 | 2021-07-13 | 江苏科技大学 | Marine propeller static balance detection device and imbalance detection method |
| CN111707412A (en) * | 2020-07-10 | 2020-09-25 | 哈尔滨工业大学 | Large-scale triaxial air bearing table rotational inertia online identification system and inertia algorithm |
| CN111707412B (en) * | 2020-07-10 | 2022-06-07 | 哈尔滨工业大学 | Large-scale triaxial air bearing table rotational inertia online identification system and inertia algorithm |
| CN113848016A (en) * | 2021-09-14 | 2021-12-28 | 武汉重工铸锻有限责任公司 | Flywheel static balance detection and weight removal method and flywheel static balance detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120415 Granted publication date: 20030917 |