CN202175190U

CN202175190U - Telescopic side propeller

Info

Publication number: CN202175190U
Application number: CN2011202402044U
Authority: CN
Inventors: 陈永道; 舒永东; 田忠殿; 高�敬一; 常晓雷; 闫勇捷
Original assignee: Nanjing High Speed and Accurate Gear Group Co Ltd
Current assignee: Nanjing High Speed and Accurate Gear Group Co Ltd; Nanjing High Accurate Marine Equipment Co Ltd
Priority date: 2011-07-08
Filing date: 2011-07-08
Publication date: 2012-03-28
Anticipated expiration: 2021-07-08

Abstract

The utility model relates to a telescopic side propeller, which comprises a gearbox and paddles. A mounting base is arranged on a hull, a hollow supporting pipe penetrates through the center of the mounting base, the top of the hollow supporting pipe is connected with an upper beam, guide rods positioned on two sides of the hollow supporting pipe penetrate through the upper beam, the lower ends of the guide rods are connected with the mounting base, the tops of the guide rods are connected with a hook base fixed on the hull, collision hooks are arranged on the hook base, a hook pin is arranged on the upper beam, two hydraulic cylinders are arranged between the mounting base and the upper beam, the guide rods and the hydraulic cylinders are respectively symmetrically arranged on two sides of the hollow supporting pipe, the gearbox is arranged at the lower end of the hollow supporting pipe, a supporting plate is further arranged on each of the hollow supporting pipe and the gearbox, the paddles are arranged at an output end of the gearbox, a barrel-shaped protective cover is matched outside the gearbox and the paddles, a pair of bearing shafts penetrates through the supporting plates, the upper end of each bearing shaft is fixedly connected with the mounting base, the lower end of each bearing shaft is connected with a fixing seat arranged on the hull below the water line, and a transmission shaft arranged in the hollow supporting pipe is connected with an input end of the gearbox.

Description

Telescopic side thruster

Technical field

The utility model relates to a kind of propelling unit, especially a kind of marine telescope side thruster.

Background technology

Side thruster is the vitals that improves the ship operation performance; In traditional side thruster, generally be that conduit is welded in hull, cause the position relation of blade line of centers and hull floating line to be fixed; Though requiring to satisfy the blade line of centers when also can tradition angling the side thruster design must be positioned at below the light waterline; But,, directly can influence the propulsion quality of side thruster because the position that the blade line of centers is positioned at below the light waterline is more shallow.For ships such as some small-sized yachts, aquatic work platform, auxiliary vessels; Because installing space is limited; If use traditional side thruster,, also can reduce the service efficiency of power because the position that the blade line of centers is positioned at below the floating line can not be regulated; Especially under the situation that draft is not enough; Often can not satisfy hull and handle required thrust, how under the special applying working condition of draft deficiency, improve side thruster efficient to satisfy the requirement of hull thrust, be the problem of being eager to solve in this area always.

The utility model content

The purpose of the utility model is: be directed against the problem of the blade line of centers of side thruster existence apart from the size out of reach operating needs of lightwaterline, provide a kind of novel failure-free side thruster peculiar to vessel.

The purpose of the utility model is achieved in that a kind of telescopic side thruster, comprises gear case and blade, it is characterized in that:

A) be fixed with a mounting seat on the hull, a hollow support pipe passes the center of mounting seat, and hollow support pipe and mounting seat contact site are provided with stuffing box chamber, and hollow support pipe top is connected with upper beam;

B) being positioned at hollow support pipe both sides and being provided with parallel pilot bar, captives joint with mounting seat in two pilot bar lower ends, and upper beam is all passed in the upper end, and their top is equipped with the collision hook, and upper beam is provided with and collides the cooresponding hook pin of hook; Also be provided with two hydraulic rams between mounting seat and the upper beam; Described pilot bar and hydraulic ram symmetry are divided the both sides that are listed in the hollow support pipe;

C) hollow support pipe lower end is provided with gear case, and hollow support pipe and gear case also are provided with stay bearing plate, and the mouth of gear case is a blade, and gear case and blade are furnished with the cylinder body guard shield outward;

D) the stressed rotational symmetry branch of pair of parallel is listed in gear case and blade both sides, and the described mechanical axis that receives passes stay bearing plate, captives joint with mounting seat in the upper end, the lower end be located at floating line and be connected with the permanent seat on the lower hull;

E) transmission shaft places the hollow support pipe, and transmission shaft is connected with the input end of gear case.

In the utility model, described collision hook comprises coupler body, pin, locking spring, release oil cylinder and hook pedestal, and the hook pedestal is fixedly mounted on the top of pilot bar; Coupler body through finger setting in the hook pedestal in, locking spring with discharge the both sides that oil cylinder is respectively in pin, their end with link up with pedestal and be connected; The other end is connected with coupler body; The lower end of said coupler body is a lead-in chamfered, and after the collision of hook pin, the hook pin is imported in the hook of coupler body.

In the utility model, hollow support pipe and mounting seat contact site are provided with bearing shell, and are furnished with stuffing box chamber, and the braiding packing is housed in the stuffing box chamber, and the casing of stuffing box chamber fixedly is welded in mounting seat.

In the utility model, be provided with oar axle and input shaft in the described gear case; The oar axle is supported horizontally inside in the casing of gear case through two groups of bearings, and its mouth stretches out gear housing, and the end is installed with blade; Input shaft is by last insertion gear case, and through two groups of bearing vertical support are in the casing of gear case up and down, input shaft docks with the oar axle through a pair of screw bevel gear each other; Transmission shaft docks with the input shaft of gear case.

In the utility model, the joint portion of described transmission shaft and gearbox input shaft is provided with the castellated shaft and the spline housing of coupling respectively, and they dock with spline housing through the castellated shaft of coupling.

In the utility model, the joint portion that described input shaft and oar axle pass through gear case body is equipped with sealing arrangement.

The advantage of the utility model is: because side thruster has disposed hydraulic ram; Can push away driven gear case and the dipping and heaving of cylinder body guard shield through upper beam and hollow support pipe; Change the distance of blade line of centers below floating line, avoid the shallow excessively under power that causes of floating line; Because the pilot bar top is provided with collision hook, in the process that rises of putting the beams in place, touch the collision hook after, just hooked by collision automatically, no matter how boats and ships jolt at this moment, also can not change the position of blade line of centers below floating line; Because hollow support pipe and gear case body joint portion are provided with stay bearing plate, stay bearing plate slides on the mechanical axis receiving in the lifting process, not only can improve the intensity of hollow support pipe, and improve the stability of gear case; Because hydraulic ram, pilot bar, to receive mechanical axis all be paired setting, and symmetry divides and is listed in hollow support pipe both sides, makes the moment of flexure of sharing the hollow support pipe in the side thruster working process, guarantees stressed more evenly, and it is more steady to go up and down; Because the top of pilot bar is installed on the hook pedestal through the aligning oscillating bearing, the bottom is installed on mounting seat through the aligning oscillating bearing can the automatic compensation installation deviation, makes whole expanding-contracting action more steady; Because hollow support pipe and mounting seat contact site are provided with bearing shell; And is furnished with stuffing box chamber; The braiding packing is housed in the stuffing box chamber, and the hollow support pipe that can guarantee to pass through mounting seat during use is smooth sliding up and down, can stop water to overflow from the junction again; Because input shaft and oar axle pass through the joint portion of gear case body and be equipped with sealing arrangement, can stop water to infiltrate gear case.

Description of drawings

Fig. 1 be the utility model embodiment structural representation;

Fig. 2 is that the A-A of Fig. 1 is to the sectional structure scheme drawing;

Fig. 3 is the local enlarged diagram of H among Fig. 1.

Among the figure: 1, permanent seat, 2, receive mechanical axis, 3, the cylinder body guard shield, 4, stay bearing plate, 5, hydraulic ram, 6, firm banking; 7, aligning oscillating bearing, 8, pilot bar, 9, the hollow support pipe, 10, put the beams in place, 11, the hook pedestal; 12, collision hook, 13, discharge oil cylinder, 14, stuffing box chamber, 15, the oar axle, 16, screw bevel gear; 17, input shaft, 18, blade, 19, castellated shaft and spline housing, 20, transmission shaft, 21, the braiding packing; 22, gear case, 23, bearing shell, 24, the hook pin, 25, pin, 26, locking spring.

The specific embodiment

Accompanying drawing discloses the concrete structure of the utility model embodiment without limitation, below in conjunction with accompanying drawing the utility model is done to describe further.

Visible by Fig. 1 Fig. 2; The structure of telescopic side thruster is: on hull, be fixed with a mounting seat 6; A hollow support pipe 9 passes the center of mounting seat 6, and hollow support pipe 9 is provided with stuffing box chamber 14 with mounting seat 6 contacts site, and hollow support pipe 9 tops are connected with upper beam 10; Be positioned at hollow support pipe 9 both sides and be provided with parallel pilot bar 8; Two pilot bars 8 pass puts the beams in place 10; The lower end of pilot bar 8 is connected with mounting seat 6; The top is connected with the hook pedestal 11 that is fixed on hull, and hook pedestal 11 is provided with collision hook 12, and upper beam 10 is provided with and collides hook 12 cooresponding hook pins 24; Also be provided with two hydraulic rams 5 between mounting seat 6 and the upper beam 9; Described pilot bar 8 divides the both sides that are listed in hollow support pipe 9 with hydraulic ram 5 symmetries; Hollow support pipe 9 lower ends are provided with gear case 22, and hollow support pipe 9 also is provided with stay bearing plate 4 with gear case 22, and the mouth of gear case 22 is a blade 18, are furnished with cylinder body guard shield 3 outside gear case 22 and the blade 18; Pair of parallel divided by mechanical axis 2 symmetry to be listed in gear case 22 and blade 18 both sides, the described mechanical axis 2 that receives passes stay bearing plate 4, captive joint with mounting seat 6 in the upper end, the lower end be located at floating line and be connected with the permanent seat on the lower hull 1; Transmission shaft 20 places hollow support pipe 9, and transmission shaft 20 is connected with the input end of gear case 22.

In the present embodiment, hollow support pipe 9 is provided with bearing shell 23 with mounting seat 6 contacts site, and is furnished with stuffing box chamber 14, and braiding packing 21 is housed in the stuffing box chamber 14, and the casing of stuffing box chamber 14 fixedly is welded in mounting seat 6.

In the present embodiment, be provided with oar axle 15 and input shaft 17 in the described gear case 22; Oar axle 15 is supported horizontally inside in the casing of gear case 22 through two groups of bearings, and its mouth stretches out gear housing, and the end is installed with blade 18; Input shaft 17 is by last insertion gear case 22, and through two groups of bearing vertical support are in the casing of gear case 22 up and down, input shaft 17 docks with oar axle 15 through a pair of screw bevel gear 16 each other; Transmission shaft 20 docks with the input shaft 17 of gear case 22.

During practical implementation, the bottom of pilot bar 8 can be installed on mounting seat 6 through aligning oscillating bearing 7, and the top is installed on hook pedestal 11 through aligning oscillating bearing 7.

During practical implementation, the joint portion of described transmission shaft 20 and input shaft 17 is provided with the castellated shaft and the spline housing 19 of coupling respectively, and they dock with spline housing 19 through the castellated shaft of coupling.

During practical implementation, input shaft 17 is equipped with sealing arrangement with the joint portion that oar axle 15 passes through gear case body.

Visible by Fig. 3, the collision hook comprises coupler body 12, pin 25, locking spring 26 and release oil cylinder 13, in the present embodiment; Locking spring 26 and release oil cylinder 13 are respectively in the both sides of pin 25, and their end is connected with hook pedestal 11, and the other end is connected with coupler body 12; The lower end of said coupler body is a lead-in chamfered; In the use, after pin 24 hit with hook, hook pin 24 was imported in the hook of coupler body 12 automatically.

Claims

1. a telescopic side thruster comprises gear case and blade, it is characterized in that:

B) be positioned at hollow support pipe both sides and be provided with parallel pilot bar; Two pilot bars pass upper beam, and the lower end of pilot bar is connected with mounting seat, and the top is connected with the hook pedestal that is fixed on hull; The hook pedestal is provided with the collision hook, and upper beam is provided with and collides the cooresponding hook pin of hook; Also be provided with two hydraulic rams between mounting seat and the upper beam; Described pilot bar and hydraulic ram symmetry are divided the both sides that are listed in the hollow support pipe;

2. telescopic side thruster according to claim 1; It is characterized in that: described collision hook comprises coupler body, pin, locking spring and release oil cylinder, and locking spring and release oil cylinder are respectively in the both sides of pin, and their end is connected with the hook pedestal; The other end is connected with coupler body; The lower end of said coupler body is a lead-in chamfered, and after the collision of hook pin, the hook pin is imported in the hook of coupler body.

3. telescopic side thruster according to claim 1; It is characterized in that: the lower end of described pilot bar is connected with mounting seat; The top is connected with the hook pedestal that is fixed on hull and is meant: the bottom of pilot bar is installed on mounting seat through the aligning oscillating bearing, and the top is installed on the hook pedestal through the aligning oscillating bearing.

4. telescopic side thruster according to claim 1 is characterized in that: hollow support pipe and mounting seat contact site are provided with bearing shell, and are furnished with stuffing box chamber, and the braiding packing is housed in the stuffing box chamber, and the casing of stuffing box chamber fixedly is welded in mounting seat.

5. according to the described telescopic side thruster of one of claim 1 ~ 4, it is characterized in that: be provided with oar axle and input shaft in the described gear case; The oar axle is supported horizontally inside in the casing of gear case through two groups of bearings, and its mouth stretches out gear housing, and the end is installed with blade; Input shaft is by last insertion gear case, and through two groups of bearing vertical support are in the casing of gear case up and down, input shaft docks with the oar axle through a pair of screw bevel gear each other; Transmission shaft docks with the input shaft of gear case.

6. telescopic side thruster according to claim 5 is characterized in that: the joint portion of described transmission shaft and gearbox input shaft is provided with the castellated shaft and the spline housing of coupling respectively, and they dock with spline housing through the castellated shaft of coupling.

7. telescopic side thruster according to claim 5 is characterized in that: the joint portion that described input shaft and oar axle pass through gear case body is equipped with sealing arrangement.