CN102156024B - Hydraulic static balancing instrument for high-precision ship screw propeller - Google Patents
Hydraulic static balancing instrument for high-precision ship screw propeller Download PDFInfo
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- CN102156024B CN102156024B CN2011100572628A CN201110057262A CN102156024B CN 102156024 B CN102156024 B CN 102156024B CN 2011100572628 A CN2011100572628 A CN 2011100572628A CN 201110057262 A CN201110057262 A CN 201110057262A CN 102156024 B CN102156024 B CN 102156024B
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Abstract
The invention discloses a hydraulic static balancing instrument for a high-precision ship screw propeller, relating to the technical field of a balance testing instrument. The hydraulic static balancing instrument comprises a hydraulic station, an induction detecting system, a measuring and controlling operation worktable and a balancing instrument mainbody, wherein the balancing instrument mainbody comprises a supporter, a suspension system, a centering system and a locking system. By adopting the hydraulic suspension, the hydraulic static balancing instrument has strong bearing capability and small motion resistance, is suitable for static balance detection on various large screw propellers, and has extremely high sensitivity and measurement precision. The hydraulic static balancing instrument has simple structure, can be machined and manufactured easily and can be operated simply and conveniently.
Description
Technical field
Patent of the present invention relates to a kind of balance performance monitor technical field, particularly relates to a kind of large-scale marine propeller high-precision hydraulic static equilibrium appearance that is used for.
Background technology
Screw propeller is one of typical case's representative of large rotor, and along with the progress of shipbuilding technology, the trend of high speed, maximization is obvious day by day, has proposed new problem for manufacturing, design and the detection of marine propeller.The unbalance mass, of screw propeller must be controlled in the scope of permission, otherwise the inertial centrifugal force that it produced is a problem that can not be ignored.This inertial centrifugal force can produce many-sided harm.
It is that early stage screw propeller is made the most frequently used method of factory that the balancing shaft rolling method is measured propeller statical equilibrium, and some manufacturers are still adopting now.This device is comparatively directly perceived, simple, and its testing process is following: the preparation that is installed, screw propeller is enclosed within on the mandrel, and lock after the centering, make screw propeller and mandrel form an integral body, this moment, mandrel was perpendicular to the ground.With overhead traveling crane 90 ° are sling and overturn in screw propeller mandrel system then, on the rolling bearing of special use, this moment, mandrel was parallel to the ground with the two end supports of mandrel, had accomplished the preliminary work that is installed before the test.Carry out static balance test for propeller, stir screw propeller, make its rotation, the heaviest blade always is positioned at mandrel lower end and mandrel upright position, carries out random balance detection so repeatedly, finally reaches balance through grinding.In the dismounting stage, the program of this stage with the stage that is installed is opposite fully, also will pass through operations such as lifting, upset, locking dismounting, screw propeller lifting.
The problem that exists is: 1) very inconvenience of operation.The large-scale spiral oar weighs several tons to tons up to a hundred, and axle nearly weighs 1 ton, and all the other annexes also need just can move more than two people, assemble, and both there were potential safety hazard again in heaviness, effort, time-consuming.2), on-line grinding, revise very difficulty when for the first time measuring when defective.3) say from device; Every use once just will be installed and removed once, because the tolerance clearance of taper jacking block, set nut, rolling bearing and axle is very little, when cut, convexity, rusty stain, dirt are arranged on the mating surface; Just can cause the mounting or dismounting difficulty, and have the error that is installed.4) say from measuring principle that axle is overweight, axis bending all can reduce measuring accuracy.5) precision of measuring receives be installed precision and the influence of the suffered moment of friction size of bearing pair.
Summary of the invention
In order to overcome the above-mentioned weakness of traditional boats and ships propeller statical equilibrium appearance, eliminate the undue complicated drawback of existing balance device, according to the balance weighing principle, the vertical equilibristat of a kind of swing method is disclosed.
The eccentric mass of screw propeller is equivalent to the weighed object of balance, and balance mass is equivalent to the counterweight quality of balance.Carrying out statically balanced key with swing method is to support with sphere, and this is the essential distinction with rolling method.The friction and wear of carrying plane can influence measuring accuracy; In order to overcome the harmful effect that the area supported friction and wear is produced; Make rotor be in almost friction free suspended state; Can adopt the self-aligning spherical support form of low friction, adopt computer detection system in context of detection, system has higher precision, higher automaticity and good handling.
This equilibristat adopts the sphere static pressure supporting form, and hydraulic-driven is carried, and in conjunction with modern sensor technology and detection technique, is a kind of comparatively advanced propeller statical equilibrium device, and it consists of the following components: (1) suspends, certering system.Its function is through the bipyramid automatic centering with screw propeller; Be enclosed within on the suspension cylinder with high concentricity; And through hydraulic locking apparatus and suspension cylinder locking, suspension cylinder and screw propeller integral body are suspended on the suspension ball of interior support tube under the effect of oil pressure; It is secondary to form swing, and the static unbalance of screw propeller can reflect through the swing of suspension cylinder.(2) fluid power system.The premiere feature of this system is to swing secondary fuel feeding to sphere, makes between the swing pair and forms the oil film separation layer of certain pressure intensity, and have bigger load-bearing capacity and less friction of motion; Next is to the support cylinder fuel feeding, constitutes the supplemental support of measuring initial aligning and correction, guarantees aligning and unsteady to the heart.(3) control system.This system realizes the operation and the control of convection cell power system by switch board, and then controls the static balancing test process.(4) computer detection system.Realize collection, analysis, processing and demonstration through detecting sensor and transmitter, computer data acquisition system hardware, data acquisition, processing operations and analysis software to the data of reflection static unbalance.
Concrete structure of the present invention does, it is fastening that Hydraulic Station is placed on subsurface, and oil-in one end of Hydraulic Station oil-out end and oil inlet pipe assembly is tightly connected, and column is enclosed within outside the oil inlet pipe assembly, and the other end of oil inlet pipe assembly is connected with sphere piston bracing frame bottom seals; The oil return that is tightly connected of return line assembly one end and Hydraulic Station oil return opening end, the other end and the oil trap oil extraction that is tightly connected; Basic fixed ground is installed; Mounting seat is installed on the basis through the base set bolt, and oil trap is fixedly connected on the mounting seat, and dust cover is enclosed within on the oil trap; The column bottom is fixedly mounted in the center pit of base; Sphere piston is contained on the sphere piston bracing frame, and composite piston places sphere piston top, composite piston and sphere piston is formed support oil pocket; Floating drum is enclosed within composite piston and sphere piston outside; The floating drum lid is fastened on floating drum upper end and sealing, and baffle plate is welded on the floating drum bottom, will descend centering cone to be inserted in outside the floating drum; The large round end surface of centering cone is dropped on the baffle plate; To go up centering cone and be inserted in outside the floating drum, the following large round end surface of centering cone is made progress, screw propeller to be measured is inserted in and places on the floating drum between centering cone and the following centering cone; Level meter places floating drum lid centermost; Force sensor module hangs over tip of propeller blade to be measured; Counterweight hangs over carries out balance adjustment on the force sensor module, force sensor module output signal line, level meter output signal line and Hydraulic Station control line are connected with the observing and controlling operator's console to be controlled.
The invention has the beneficial effects as follows that adopt hydraulic pressure to suspend, load-bearing capacity is strong, the resistance of motion is little; The static equilibrium that not only is suitable for various large-scale spiral oars detects, and has high sensitivity and measuring accuracy, and is simple in structure; Be easy to processing and manufacturing, advantage such as easy and simple to handle.
Description of drawings
A kind of high precision propeller for vessels hydraulic static balancing appearance structural representation that Fig. 1 provides for patent of the present invention.
Among the figure, 1, level meter; 2, floating drum lid; 3, composite piston; 4, sphere piston; 5, sphere piston bracing frame; 6, oil inlet pipe assembly; 7, go up centering cone; 8, floating drum; 9, column; 10, following centering cone; 11, baffle plate; 12, dust cover; 13, oil trap; 14, base set bolt; 15, mounting seat; 16, the basis is installed; 17, return line assembly; 18, Hydraulic Station; 19, counterweight; 20, force sensor module; 21, observing and controlling operator's console.
Embodiment
As shown in Figure 1, described marine propeller static equilibrium tester comprises level meter 1, floating drum lid 2, composite piston 3, sphere piston 4, sphere piston bracing frame 5; Oil inlet pipe assembly 6, last centering cone 7, floating drum 8, column 9, following centering cone 10, baffle plate 11; Dust cover 12, oil trap 13, base set bolt 14, mounting seat 15 is installed basis 16; Return line assembly 17, Hydraulic Station 18, counterweight 19, force sensor module 20, observing and controlling operator's console 21.It is fastening that Hydraulic Station 18 is placed on subsurface; Hydraulic Station 18 goes out high pressure hydraulic fluid port end and oil inlet pipe assembly 6 oil-in ends are tightly connected; Oil inlet pipe assembly 6 is inserted in the column 9; Oil inlet pipe assembly 6 other ends are connected with sphere piston bracing frame 5 bottom seals, the oil extraction that is tightly connected of return line assembly 17 1 ends and oil trap 13, the oil return that is tightly connected of the other end and Hydraulic Station 18 oil revolving ends.
Basic 16 fixed bottom boundaries are installed, mounting seat 15 are contained in install on the basis 16, and through 14 lockings of base set bolt; Oil trap 13 is welded on mounting seat 15 boss; Dust cover 12 is enclosed within on the oil trap 13 dustproof, column 9 bottoms is installed in base 15 center pits welds tightly, and oil inlet pipe assembly 6 is inserted in the column 9; Column 9 upper ends and 5 welding of sphere piston bracing frame are fastening; Sphere piston 4 is contained in the sphere piston bracing frame 5 top screw-threaded couplings of also passing through, composite piston 3 is placed sphere piston 4 tops, make composite piston 3 and sphere piston 4 form the support oil pockets; Floating drum 8 is enclosed within composite piston 3 and sphere piston 4 and welding integral part outside thereof; Floating drum lid 2 is fastened on floating drum 8 upper ends and sealing, and baffle plate 11 is welded on floating drum 8 bottoms, will descend centering cone 10 to be inserted on the floating drum 8; Its large round end surface is dropped on the baffle plate 11; To go up centering cone 7 and be inserted on the floating drum 8, and make its roundlet end face descend large round end surface last, screw propeller to be measured is inserted in and places automatic centering between centering cone 7 and the following centering cone 10 on the floating drum 8.
Place floating drum to cover 2 centermost on level meter 1; Force sensor module 20 is hung over tip of propeller blade to be measured; Counterweight 19 hangs over carries out balance adjustment on the force sensor module 20, force sensor module 20 output signal lines, level meter 1 output signal line are connected with observing and controlling operator's console 21 with Hydraulic Station 18 control lines to be controlled.
Claims (1)
1. high precision propeller for vessels hydraulic static balancing appearance; It is characterized in that, comprise level meter (1), floating drum lid (2), composite piston (3), sphere piston (4), sphere piston bracing frame (5), oil inlet pipe assembly (6), go up centering cone (7), floating drum (8), column (9), following centering cone (10), baffle plate (11), dust cover (12), oil trap (13), base set bolt (14), mounting seat (15), installation basis (16), return line assembly (17), Hydraulic Station (18), counterweight (19), force sensor module (20) and observing and controlling operator's console (21); Said Hydraulic Station (18) is placed fastening with ground on the ground; Oil-in one end of Hydraulic Station (18) oil-out end and oil inlet pipe assembly (6) is tightly connected; Column (9) is enclosed within outside the oil inlet pipe assembly (6), and the other end of oil inlet pipe assembly (6) is connected with sphere piston bracing frame (5) bottom seals; The oil return that is tightly connected of return line assembly (17) one ends and Hydraulic Station (18) oil return opening end, the other end and oil trap (13) oil extraction that is tightly connected; Basis (16) fixed bottom boundary is installed; Mounting seat (15) is installed on the basis (16) through base set bolt (14); Oil trap (13) is fixedly connected on the mounting seat (15); Dust cover (12) is enclosed within on the oil trap (13), and column (9) bottom is fixedly mounted in the center pit of base (15), and sphere piston (4) is contained on the sphere piston bracing frame (5); Composite piston (3) places sphere piston (4) top, composite piston (3) and sphere piston (4) is formed support oil pocket; Floating drum (8) is enclosed within composite piston (3) and sphere piston (4) outside; Floating drum lid (2) is fastened on floating drum (8) upper end and sealing, and baffle plate (11) is welded on floating drum (8) bottom, will descend centering cone (10) to be inserted in outside the floating drum (8); The large round end surface of centering cone (10) is dropped on the baffle plate (11); To go up centering cone (7) and be inserted in outside the floating drum (8), the large round end surface of centering cone (7) is made progress, screw propeller to be measured is inserted in and places on the floating drum (8) between centering cone (7) and the following centering cone (10); Level meter (1) is placed floating drum lid (2) centermost; Force sensor module (20) is hung over tip of propeller blade to be measured; Counterweight (19) hangs on the force sensor module (20) carries out balance adjustment, and force sensor module (20) output signal line, level meter (1) output signal line are connected with observing and controlling operator's console (21) with Hydraulic Station (18) control line to be controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100572628A CN102156024B (en) | 2011-03-10 | 2011-03-10 | Hydraulic static balancing instrument for high-precision ship screw propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100572628A CN102156024B (en) | 2011-03-10 | 2011-03-10 | Hydraulic static balancing instrument for high-precision ship screw propeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102156024A CN102156024A (en) | 2011-08-17 |
| CN102156024B true CN102156024B (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100572628A Expired - Fee Related CN102156024B (en) | 2011-03-10 | 2011-03-10 | Hydraulic static balancing instrument for high-precision ship screw propeller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556493A (en) * | 2016-11-15 | 2017-04-05 | 江苏大学 | A kind of propeller for vessels lays particular stress on detection static balancing instrument |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419900B (en) * | 2013-08-26 | 2015-08-19 | 天津修船技术研究所 | A kind of propeller inner hole aligning gear |
| CN104101466A (en) * | 2014-06-13 | 2014-10-15 | 芜湖特源鑫复合材料科技有限公司 | Propeller balance tester |
| CN104502020B (en) * | 2014-12-14 | 2018-09-25 | 惠阳航空螺旋桨有限责任公司 | Detect the balance tooling of blade static-balance state |
| CN105258850A (en) * | 2015-11-11 | 2016-01-20 | 天津修船技术研究所 | Rotating-body static-balancing-instrument shaftless centering device |
| CN105910759B (en) * | 2016-05-19 | 2018-04-13 | 北京航空航天大学 | Shaft flexible static balancing instrument |
| CN106595957A (en) * | 2016-10-25 | 2017-04-26 | 江苏大学 | Ship propeller eccentric mass automatic detection method |
| CN108168777B (en) * | 2017-12-26 | 2020-07-31 | 沈阳透平机械股份有限公司 | Wind tunnel compressor rotor shaft balancing mechanism and shaft balancing method |
| CN109374205B (en) * | 2018-11-26 | 2020-08-25 | 江苏科技大学 | Device and method for detecting and weighing static balance of marine propeller |
| CN110108424B (en) * | 2019-05-08 | 2021-11-09 | 中国舰船研究设计中心 | Ship system pipeline support static rigidity testing device and testing 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 |
| CN111982403B (en) * | 2020-06-29 | 2022-11-04 | 合肥倍豪海洋装备技术有限公司 | High-precision hydraulic static balancing instrument for ship propeller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU540181A1 (en) * | 1973-12-24 | 1976-12-25 | Stand for static balancing of propellers | |
| SU794409A1 (en) * | 1979-02-16 | 1981-01-07 | Предприятие П/Я Г-4780 | Stand for static balancing of screw propeller |
| CN2574034Y (en) * | 2002-04-15 | 2003-09-17 | 中国船舶重工集团公司天津修船技术研究所 | Propeller static balancing instrument |
| CN201138271Y (en) * | 2008-01-10 | 2008-10-22 | 冯和平 | Multifunctional static balancing tester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54131987A (en) * | 1978-04-03 | 1979-10-13 | Mitsubishi Heavy Ind Ltd | Horizontal balance inspecting device |
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2011
- 2011-03-10 CN CN2011100572628A patent/CN102156024B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU540181A1 (en) * | 1973-12-24 | 1976-12-25 | Stand for static balancing of propellers | |
| SU794409A1 (en) * | 1979-02-16 | 1981-01-07 | Предприятие П/Я Г-4780 | Stand for static balancing of screw propeller |
| CN2574034Y (en) * | 2002-04-15 | 2003-09-17 | 中国船舶重工集团公司天津修船技术研究所 | Propeller static balancing instrument |
| CN201138271Y (en) * | 2008-01-10 | 2008-10-22 | 冯和平 | Multifunctional static balancing tester |
Non-Patent Citations (2)
| Title |
|---|
| 胡红波，刘志勇，王存堂.螺旋桨液压静平衡计算机检测系统研发.《流体传动与控制》.2010,(第4期),第13-15页. * |
| 阳恩会等.船用螺旋桨静平衡仪中球面静压支承静态性能分析.《液压与气动》.2005,(第01期),第23-26页. * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556493A (en) * | 2016-11-15 | 2017-04-05 | 江苏大学 | A kind of propeller for vessels lays particular stress on detection static balancing instrument |
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| CN102156024A (en) | 2011-08-17 |
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Granted publication date: 20120815 Termination date: 20160310 |