CN2272413Y

CN2272413Y - Ship Propeller hanging machine

Info

Publication number: CN2272413Y
Application number: CN 95241158
Authority: CN
Inventors: 夏培根
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-25
Filing date: 1995-12-25
Publication date: 1998-01-14
Anticipated expiration: 2005-12-25

Abstract

The utility model relates to a propeller hanging machine for ships, which comprises a belt pulley, an upper box assembly, a lower box assembly and a propeller, wherein the output end of the upper box assembly and the input end of the lower box assembly are connected through a centre rotating shaft; an intermediate shaft tube is arranged outside the centre rotating shaft. The lower end of the intermediate shaft tube is connected with the lower box assembly. A pair of crossed helical gears which are in transmission connection with the intermediate shaft tube are installed in the upper tank assembly; a passive helical gear is connected with a center shaft tube. The central line of a spindle of an active helical gear forms a cut angle with the central line of the intermediate shaft tube. A rudder plate is connected with the center shaft tube and the lower box assembly. The utility model has the characteristics of good directional property for navigation, remote possibility of part damage and convenient maintenance.

Description

A kind of Marine paddle hanging device

The utility model relates to a kind of device of controlling the boats and ships operation, directly acts on the Marine paddle hanging device that water promotes the directed operation of boats and ships by the screw propeller wheel blade especially.

Utilize bearing circle to control the Marine paddle hanging device of boats and ships operation, its steering mode mainly contains two kinds, and a kind of is to utilize the worm and gear transmission to realize (seeing CN2138094Y for details), and another kind is to utilize bevel drive to realize (seeing CN2141398Y for details).Preceding a kind of steering mode that utilizes the worm and gear transmission to realize the boats and ships operation though have certain preceence, also exists certain not enough.Because it does not use rudder plate, make the navigation orientation poor performance of boats and ships in the process of advancing, because of driftage about the effect of current; When dangerous situation etc. occurring and will hang the oar machine and place neutral gear, screw propeller quits work, and boats and ships because of no rudder plate, have not had navigation under effect of inertia, thereby cause boats and ships to drift off the course, or clash into other boats and ships.In addition, because the self-locking stopping function of worm and gear is too strong, when boats and ships navigate by water in the river course, in case the chance shoal, because the on-hook drag fender under the self-locking retaining effect of worm screw, can not be turned back to consistent with the working direction of ship automatically, make and hang the resistance surge that the oar machine is subjected to, cause easily and hang the oar machine and damage, normally the gear teeth of worm and gear damage, or intermediate shaft tube, transmission shaft is crooked and be damaged.A kind of steering mode that utilizes bevel drive to realize the boats and ships operation in back, though also have preceence, but, comparatively speaking, structure is quite complicated, and because finishing bevel gear cuter itself does not have auto-lock function, thereby bearing circle usually exists sizable counter-force, the people of direction of operating dish need could hold the course with very big power.In addition, for these two kinds of steering control modess, the part in box assembly wearing and tearing instantly and when needing to change are keeped in repair cumbersomely, also can undermine other parts sometimes.

The purpose of this utility model be to provide a kind of navigation, directionality better, not only flexibly but also laborsaving, the non-damageable New Marine of machine was hung the oar machine to steersman's steering.

The technical solution of the utility model is: the Marine paddle hanging device that comprises belt pulley, last box assembly, following box assembly screw propeller and rudder plate, the input of the output of last box assembly and following box assembly is by the central rotating shaft connecting shaft, central rotating shaft is provided with central shaft tube outward, the lower end of central shaft tube is connected with following box assembly, the a pair of crossed helical gear that is in transmission connection with intermediate shaft tube is housed in the last box assembly, passive helical wheel and intermediate shaft tube load, initiatively the line of centers of the line of centers of the gear wheel shaft of helical wheel and intermediate shaft tube intersects; Front and back rudder plate and central shaft tube and box assembly load down.

Above-mentioned central rotating shaft can be a single-piece, also can be to be made of last spindle nose, intermediate rotary shaft, following spindle nose and two adapters, and the two ends of central shaft tube are connected with following spindle nose with last spindle nose by taking over respectively.

For making down box assembly easy to maintenance, can have threaded hole at the front end of the casing of the following box assembly of Marine paddle hanging device, and on the screw plug screw is housed.

For the ease of making and installing, forward and backward rudder plate is by rudder plate folder and central shaft tube load, by drag fender and following box assembly load.

Technique effect of the present utility model is: 1. navigation property and directionality are good.At first, the utlity model has the rudder plate that constitutes by the two boards material, make boats and ships in the navigation process, can not make about ship and change course, navigation property is improved because of the effect of current; Simultaneously, because helical wheel has certain auto-lock function (being equivalent to finishing bevel gear cuter), thereby in the ordinary course of things, the impact of current still can not make rudder plate rotate, thereby makes the people of direction of operating dish need not spend bigger power just can hold the course.In addition, in the time will hanging the oar machine and place neutral gear, screw propeller quits work, and ship is under effect of inertia, and because of having the navigation of rudder plate, boats and ships can not drift off the course yet, or the accident of other boats and ships of bump takes place.2. the boat oar machine part is difficult for damaging; Because for worm and gear, the auto-lock function of helical wheel relatively a little less than, when boats and ships navigate by water in little river course, in case chance shoal, the faint coupling mechanism force of helical wheel runs under the suffered drag effect in shoal at drag fender, can break through self-lock force, produce converse rotating force, make steersman's perception immediately and rapid steering dish, it is consistent with the working direction of ship that drag fender is turned back to automatically, the resistance that extension oar machine is subjected to reduces to minimum, hangs the oar machine and can not be subjected to overload power, thereby be difficult for causing the damage of hanging oar machine parts.3. easy to maintenance.When the part under hanging the oar machine in the box assembly needs to change because of wearing and tearing, need to descend that box assembly is whole takes apart, after only need be backed out the plug screw of casing front end, be screwed into screw, after then prop shaft being ejected, carry out repair and replacement with the bolt of same specification.4. part degree of utilization height.If hang the oar machine use by last spindle nose, intermediate rotary shaft, down spindle nose and two adapters constitute central rotating shaft the time, when in case upper and lower spindle nose needs to change because of wearing and tearing, only need replace with spindle nose or following spindle nose, and other part does not need to change, big ambassador's part degree of utilization improves, thereby saves service expenditure greatly.5. operate light.Because the utility model has used forward and backward two rudder plates, when the steering dish makes the boats and ships change course, intermediate shaft tube drives two rudder plates and rotates, the impulse force of current acts on two rudder plates simultaneously, part impulse force is repealed by implication, thereby when making the steering dish, compare the not very big power of expense with one-sided rudder plate, lighter.

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the part sectional view of Fig. 1.

Fig. 3 is the cutaway view of following box assembly.

Fig. 4 is another structural representation of central rotating shaft.

As Fig. 1,2, Marine paddle hanging device shown in 3, comprise belt pulley (1), last box assembly (13), intermediate shaft tube (2), central rotating shaft (17), helical wheel (12), (19), following box assembly (8), screw propeller (4) and front and back rudder plate (9), (5), the input of the output of last box assembly (13) and following box assembly (8) is by central rotating shaft (17) connecting shaft, the outer intermediate shaft tube (2) that is provided with of central rotating shaft (17), the lower end of intermediate shaft tube (2) is connected with following box assembly (8), the a pair of crossed helical gear (12) that is in transmission connection with intermediate shaft tube (2) is housed in the last box assembly (13), (19), passive helical wheel (19) and intermediate shaft tube (2) load, initiatively the line of centers of the line of centers of the gear wheel shaft of helical wheel (12) and intermediate shaft tube (2) forms 90 ° of angles of cut, also can form other angle as required.Preceding rudder plate (9), back rudder plate (5) are by rudder plate folder (3) and intermediate shaft tube (2) load, by drag fender (6) and following box assembly (8) load.

As shown in Figure 4, central rotating shaft (17) also can and be taken over (26) by last spindle nose (25), intermediate rotary shaft (17), following spindle nose (27) and constitute, and the two ends of intermediate rotary shaft (17) are connected with following spindle nose (27) with last spindle nose (25) by taking over (26) respectively.

Descend the casing front end of box assembly (8) to have screw (28) as shown in Figure 3, plug screw (7) is housed on the screw (28).

Principle of work of the present utility model is: as Fig. 1, shown in 2, by belt pulley (1) power transmission of diesel engine is gone into to the input shaft (14) of last box assembly (13), two drive bevel gear (15) on the input shaft (14), (20) clutch action by clutch sliding sleeve (22) is exported one of them and driven wheel of differential (16) engagement, thereby make central rotating shaft (17) rotation, the finishing bevel gear cuter (18) of central rotating shaft (17) lower end and interior finishing bevel gear cuter (23) engagement (referring to Fig. 3) of following box assembly (8), thus the screw propeller (4) on finishing bevel gear cuter (23) rachis (24) is rotated.By rocking arm among Fig. 2 (21) operation gear shift, just can realize that the protrusive of boats and ships retreats.As shown in Figure 1, when needs make ship turning, only need steering wheel rotation, drive sprocket wheel (10) rotation on the gear wheel shaft of helical wheel (12) initiatively by the sprocket wheel (10) that links to each other with bearing circle and chain (11), the passive helical wheel (19) that correspondingly is engaged with and also rotate with the intermediate shaft tube (2) of passive helical wheel (19) load, thereby rotate together box assembly and front and back rudder plate (9), (5) under driving, and the travel direction of boats and ships is changed.

For existing Marine paddle hanging device, for avoiding waste, reduce expenses, can make full use of the existing casing of going up in the box assembly, after only needing the casing in the last box assembly in the utility model taken over (29) lengthening, direct captive joint with the casing in the last box assembly get final product.

Claims

1, a kind of Marine paddle hanging device, comprise belt pulley (1), last box assembly (13), following box assembly (8) and screw propeller (4), the input of the output of last box assembly (13) and following box assembly (8) is by central rotating shaft (17) connecting shaft, the outer intermediate shaft tube (2) that is provided with of central rotating shaft (17), the lower end of intermediate shaft tube (2) is connected with following box assembly (8), it is characterized in that:

In a, the last box assembly (13) a pair of crossed helical gear (12), (19) that are in transmission connection with intermediate shaft tube (2) are housed, passive helical wheel (19) and intermediate shaft tube (2) load, initiatively the line of centers of the line of centers of the gear wheel shaft of helical wheel (12) and intermediate shaft tube (2) intersects;

B, front and back rudder plate (9), (5) reach box assembly (8) load down with central shaft tube (2).

2, Marine paddle hanging device according to claim 1, it is characterized in that: central rotating shaft (17) is made of last spindle nose (25), intermediate rotary shaft (17), following spindle nose and two adapters, and the two ends of intermediate rotary shaft (17) are connected with following spindle nose (27) with last spindle nose (25) by taking over (26) respectively.

3, Marine paddle hanging device according to claim 1 and 2 is characterized in that: the front end of following box assembly (8) has on screw (28) and the screw (28) plug screw (7) is housed.

4, Marine paddle hanging device according to claim 1 and 2 is characterized in that: forward and backward rudder plate (9), (5) are by rudder plate folder (3) and central shaft tube (2) load, by drag fender (6) and following box assembly (8) load.