CN101948005A - Method for designing and installing transmission device with propeller and gear box - Google Patents

Method for designing and installing transmission device with propeller and gear box Download PDF

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Publication number
CN101948005A
CN101948005A CN 201010510299 CN201010510299A CN101948005A CN 101948005 A CN101948005 A CN 101948005A CN 201010510299 CN201010510299 CN 201010510299 CN 201010510299 A CN201010510299 A CN 201010510299A CN 101948005 A CN101948005 A CN 101948005A
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propeller
design
gearbox
connecting shaft
gear box
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CN 201010510299
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Chinese (zh)
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张吉萍
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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Priority to CN 201010510299 priority Critical patent/CN101948005A/en
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Abstract

螺旋桨与齿轮箱传动装置的设计安装方法,主要零件包括螺旋桨、连接轴和齿轮箱,该方法先将选型匹配好的螺旋桨和齿轮箱的连接轴孔进行二次精加工,接着在进行连接轴的匹配加工,其次在连接轴上套上相应的轴承、密封圈、轴套等附件,接着在连接轴的两头套上半导体制冷环,裸露部分包上保温材料,同时对螺旋桨和齿轮箱轴孔进行电加热,迅速将连接轴两头塞进螺旋桨和齿轮箱轴孔内;其理论配套的设计方法为:采用Kj-KQ-J曲线完成螺旋桨与齿轮箱的同步设计,根据选定的螺旋桨特性,确定齿轮箱在自航工况和负载工况的减速比,使其达到最佳的能源利用率。The design and installation method of the propeller and gearbox transmission. The main parts include the propeller, the connecting shaft and the gearbox. In this method, the selected and matched propeller and the connecting shaft hole of the gearbox are subjected to secondary finishing, and then the connecting shaft is Second, put the corresponding bearings, sealing rings, bushings and other accessories on the connecting shaft, and then put semiconductor refrigeration rings on both ends of the connecting shaft, and wrap the exposed part with thermal insulation materials. Carry out electric heating, quickly plug the two ends of the connecting shaft into the shaft hole of the propeller and the gearbox; the theoretical supporting design method is: use the Kj-KQ-J curve to complete the synchronous design of the propeller and the gearbox, and according to the selected propeller characteristics, Determine the reduction ratio of the gearbox in self-propelled and load conditions to achieve the best energy utilization.

Description

Screw propeller and gearbox drive Design of device installation method
Technical field
The present invention relates to a kind of screw propeller and gearbox drive Design of device installation method, be primarily aimed at trawlboat, utilize formerly location technology and synchronous design method, belong to the ship machinery field.
Background technology
[0002] the marine fishing fishery is the bigger industry that consumes energy, with regard to Zhejiang Province fishing boat more than 40,000 is just arranged, year oil consumption reaches 3,000,000 tons, be genuine oil consumption rich and influential family, trawlboat is a common type, fitness for purpose will have the bigger speed of a ship or plane when free running, to have bigger holder power during trawling, but most trawlboat all is at the free running design-calculated at present, but by free every trade design-calculated gear case and screw propeller when being used for trawling, can increase energy consumption greatly, and the rotating speed heavy load is easy to cause mechanical wear; And many shortcomings such as existing fishing boat main shaft propulsion system installation error is bigger, causes ship vibration big, and mechanical efficiency is low, and it is serious to consume energy.
Summary of the invention
The purpose of this invention is to provide a kind of screw propeller and gearbox drive Design of device installation method.
What the present invention will solve is that existing trawlboat power consumption is big, the irrational shortcoming of driving device.
For realizing purpose of the present invention, the technical solution used in the present invention is:
Screw propeller and gearbox drive Design of device installation method, vital parts comprises screw propeller, adapter shaft and gear case, the screw propeller that this method matches type selecting earlier and the axis hole that is connected of gear case carry out the secondary fine limit work, working accuracy is less than 0.01mm, then in the match machined of carrying out adapter shaft, two working accuracy that adapter shaft is used to assemble is less than 0.01mm, and greater than screw propeller and gear case diameter of bore 0.05-0.09mm, secondly on adapter shaft, put corresponding bearing, seal ring, annexes such as axle sleeve, then put the semiconductor refrigerating ring at two of adapter shaft, exposed part is wrapped warm material, simultaneously screw propeller and gear case axis hole are carried out electro heat, when the adapter shaft temperature is lower than subzero 8 °, when screw propeller and gear case temperature are higher than 90 °, adapter shaft two is filled in screw propeller and the gear case axis hole rapidly, with tripod that whole transmission device is fixing straight at last, after the cabin segmentation bilge lays, it is added fixed bit by gantry crane lifting in the cabin, vibration and the power consumption that so just can avoid driving device to bring because of Mismachining tolerance and installation error.
Gear case be double speed than gear case, the adapter shaft top layer is coated with chromium, the coupling of screw propeller and gear case adopts the method for Synchronization Design.
Synchronous design method is: adopt the Kj-KQ-J curve to finish the Synchronization Design of screw propeller and gear case; Design procedure is:
A, the suitable discrete diameter range of selection, Di(i=1 ... N);
B, the operating mode of navigating certainly, under the different rotating speeds, cooresponding pitch ratio, the speed of a ship or plane;
C, load behavior, under the different rotating speeds, cooresponding pitch ratio, the speed of a ship or plane;
The speed of a ship or plane and the thrust of D, the corresponding ship of reference are determined rational pitch ratio and thrust,
The speed of a ship or plane and the thrust result of E, contrast different-diameter select best diameter of propeller and pitch ratio;
F, the selected propeller characteristic of basis are determined gear case at the reduction ratio of operating mode and load behavior that navigates certainly, make it reach best energy utilization rate.
Adopt screw propeller provided by the invention and gearbox drive Design of device installation method, not only effect obviously but also low price, its design is succinct efficient, the needs that meet fishing vessel fully, and compatible mutually with it, its utilization can make numerous fishermen's work efficiency higher, and oil consumption is more saved.
Description of drawings
Fig. 1 is a Kj-KQ-J curve design schematic diagram; Fig. 2 is the trawlboat Parameter Map; Fig. 3 is 2.3,2.4 meters screw propeller design condition figure; Fig. 4 is the speed of a ship or plane and the thrust figure of corresponding ship; Fig. 5 is 2.3 meters screw propeller Parameter Map; Fig. 6 is 2.4 meters screw propeller Parameter Map; Fig. 7 is the final design parameters figure that selects.
The specific embodiment
Method of designing at trawlboat: vital parts comprises screw propeller, adapter shaft and gear case, the screw propeller that this method matches type selecting earlier and the axis hole that is connected of gear case carry out the secondary fine limit work, working accuracy is less than 0.01mm, then in the match machined of carrying out adapter shaft, two working accuracy that adapter shaft is used to assemble is less than 0.01mm, and greater than screw propeller and gear case diameter of bore 0.08mm, secondly on adapter shaft, put corresponding bearing, seal ring, annexes such as axle sleeve, then put the semiconductor refrigerating ring at two of adapter shaft, exposed part is wrapped warm material, simultaneously screw propeller and gear case axis hole are carried out electro heat, when the adapter shaft temperature reaches subzero 9 °, when screw propeller and gear case temperature reach 100 °, adapter shaft two is filled in screw propeller and the gear case axis hole rapidly, with tripod that whole transmission device is fixing straight at last, after the cabin segmentation bilge lays, it is added fixed bit by gantry crane lifting in the cabin, vibration and the power consumption that so just can avoid driving device to bring because of Mismachining tolerance and installation error.
Gear case be double speed than gear case, the adapter shaft top layer is coated with chromium, the coupling of screw propeller and gear case adopts the method for Synchronization Design.
Its supporting synchronous design method is: adopt Kj-KQ-J curve (Fig. 1) to finish the Synchronization Design of screw propeller and gear case; Design procedure is:
[0012] A, according to trawlboat parameter (Fig. 2), select suitable discrete diameter range, Di(i=1.9,2.0,2.1 ... N); B, the operating mode of navigating certainly, under the different rotating speeds, cooresponding pitch ratio, the speed of a ship or plane; According to the precompensation parameter that closes on, 2.3,2.4 meters screw propeller design conditions have been chosen as (Fig. 3); C, load behavior, under the different rotating speeds, cooresponding pitch ratio, the speed of a ship or plane; Requiring according to Design Speed is 11.93 joint parameters, has chosen 2.3 meters, and 2.4 meters screw propeller design conditions are as (Fig. 3); D, with reference to the speed of a ship or plane and the thrust (Fig. 4) of corresponding ship, determine 2.3 meters, 2.4 meters rational pitch ratios of screw propeller and thrust (Fig. 5, Fig. 6), the thrust data in the table are thrust computational data/10000; Pitch ratio data in the table are pitch ratio computational data * 5; The straight line that is parallel to coordinate axle when L1, L2, L3, L4, L5 are for data extract in the table; E, analyze 2.3 meters, the design result of 2.4 rice diameter screw propellers, though do not reach the Design Speed requirements of 11.93 joints fully, but comparison operators is considered the scope of pitch ratio should require, the design parameters of selection is seen figure (7); F, the selected propeller characteristic of basis determine that gear case is respectively 6.60,5.56 at the reduction ratio of navigate certainly operating mode and load behavior, make it reach best energy utilization rate.

Claims (5)

1.螺旋桨与齿轮箱传动装置的设计安装方法,主要零件包括螺旋桨、连接轴和齿轮箱,其特征是:该方法先将选型匹配好的螺旋桨和齿轮箱的连接轴孔进行二次精加工,加工精度小于0.01mm,接着在进行连接轴的匹配加工,连接轴用于装配的两头加工精度小于0.01mm,且大于螺旋桨和齿轮箱内孔直径0.05-0.09mm,其次在连接轴上套上相应的轴承、密封圈、轴套等附件,接着在连接轴的两头套上半导体制冷环,裸露部分包上保温材料,同时对螺旋桨和齿轮箱轴孔进行电加热,当连接轴温度低于零下8°,螺旋桨和齿轮箱温度高于90°时,迅速将连接轴两头塞进螺旋桨和齿轮箱轴孔内,最后用三脚架将整个传动装置固定直,在机舱分段舱底铺设好后将其通过龙门吊吊装到机舱内进行加固定位,这样就可以避免传动装置因加工误差和安装误差带来的振动和耗能。1. The design and installation method of propeller and gear box transmission, the main parts include propeller, connecting shaft and gear box, the feature is: firstly, the matching shaft hole of the selected propeller and gear box is subjected to secondary finishing , the processing accuracy is less than 0.01mm, and then the matching processing of the connecting shaft is carried out. The processing accuracy of the two ends of the connecting shaft used for assembly is less than 0.01mm, and it is 0.05-0.09mm larger than the diameter of the inner hole of the propeller and the gearbox. Next, put it on the connecting shaft Corresponding bearings, sealing rings, shaft sleeves and other accessories, and then put semiconductor refrigeration rings on both ends of the connecting shaft, and wrap the exposed part with insulation materials. At the same time, conduct electric heating on the propeller and gear box shaft holes. 8°, when the temperature of the propeller and the gearbox is higher than 90°, quickly insert the two ends of the connecting shaft into the shaft holes of the propeller and the gearbox, and finally fix the entire transmission device straight with a tripod, and place it after laying the sectioned bilge of the engine room. It is hoisted into the engine room by a gantry crane for reinforcement and positioning, so that the vibration and energy consumption of the transmission device due to processing errors and installation errors can be avoided. 2.根据权利要求1所述的螺旋桨与齿轮箱传动装置的设计安装方法,其特征是:所述齿轮箱为双速比齿轮箱。2. The design and installation method of propeller and gear box transmission according to claim 1, characterized in that: the gear box is a double speed ratio gear box. 3.根据权利要求1所述的螺旋桨与齿轮箱传动装置的设计安装方法,其特征是:所述连接轴表层镀有铬。3. The design and installation method of propeller and gearbox transmission according to claim 1, characterized in that: the surface of the connecting shaft is plated with chromium. 4.根据权利要求1所述的螺旋桨与齿轮箱传动装置的设计安装方法,其特征是:所述螺旋桨与齿轮箱的匹配采用同步设计的方法。4. The design and installation method of the propeller and gearbox transmission according to claim 1, characterized in that: the matching of the propeller and the gearbox adopts a synchronous design method. 5.根据权利要求4所述的螺旋桨与齿轮箱传动装置的设计安装方法,其特征是:所述同步设计的方法为:采用Kj-KQ-J曲线完成螺旋桨与齿轮箱的同步设计;设计步骤为:5. the design and installation method of propeller and gear box transmission according to claim 4, is characterized in that: the method for described synchronous design is: adopt Kj-KQ-J curve to complete the synchronous design of propeller and gear box; design step for: A、选择合适的离散直径范围, Di(i=1,… N);A. Select the appropriate discrete diameter range, Di (i=1,... N); B、自航工况,不同转速下,对应的螺距比、航速;B. Self-propelled working conditions, the corresponding pitch ratio and speed at different speeds; C、负载工况,不同转速下,对应的螺距比、航速;C. Load conditions, corresponding pitch ratio and speed at different speeds; D、参考对应船只的航速及推力,确定合理的螺距比和推力,D. Refer to the speed and thrust of the corresponding ship to determine a reasonable pitch ratio and thrust, E、对比不同直径的航速和推力结果,选择最佳的螺旋桨直径和螺距比;E. Compare the speed and thrust results of different diameters, and choose the best propeller diameter and pitch ratio; F、根据选定的螺旋桨特性,确定齿轮箱在自航工况和负载工况的减速比,使其达到最佳的能源利用率。F. According to the characteristics of the selected propeller, determine the reduction ratio of the gearbox in the self-propelled condition and the load condition, so that it can achieve the best energy utilization rate.
CN 201010510299 2010-10-18 2010-10-18 Method for designing and installing transmission device with propeller and gear box Pending CN101948005A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095345A (en) * 1900-01-01
US4327473A (en) * 1975-10-20 1982-05-04 Northern Border Pipeline Company Method of applying a crack arrestor
CN1055985A (en) * 1991-04-23 1991-11-06 江西省交通科学技术研究所 Trailing axle and tube for rolling bearing
CN101658998A (en) * 2009-09-29 2010-03-03 湖南汉升机器制造有限公司 Assembly method adopting interference fit rigid connection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095345A (en) * 1900-01-01
US4327473A (en) * 1975-10-20 1982-05-04 Northern Border Pipeline Company Method of applying a crack arrestor
CN1055985A (en) * 1991-04-23 1991-11-06 江西省交通科学技术研究所 Trailing axle and tube for rolling bearing
CN101658998A (en) * 2009-09-29 2010-03-03 湖南汉升机器制造有限公司 Assembly method adopting interference fit rigid connection

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Open date: 20110119