CN201179973Y

CN201179973Y - Mechanically-actuated scull

Info

Publication number: CN201179973Y
Application number: CNU2008200844414U
Authority: CN
Inventors: 齐大中
Original assignee: HANGZHOU HAITONG SHIPBUILDING DESIGN CO Ltd
Current assignee: HANGZHOU HAITONG SHIPBUILDING DESIGN CO Ltd
Priority date: 2008-03-27
Filing date: 2008-03-27
Publication date: 2009-01-14
Anticipated expiration: 2018-03-27

Abstract

The utility model relates to a vessel driving device, in particular to an oar with mechanical power drive, which consists of an oar handle, an oar sheet and a drive mechanism; the drive mechanism is provided with a crank sway rod mechanism which is provided with a sway rod; a runner is arranged on a rod body of the sway rod; the crank sway rod mechanism is also provided with a crank; and the bottom of the crank is provided with a slide block which is arranged inside the runner of the rod body of the sway rod. The drive mechanism also comprises a rotating mechanism which consists of a runner fixed on a vessel body and a cam fixed on the oar handle; the cam can slide in the runner; and the center of the runner is provided with a lug boss which can make the cam deflect. The lug boss is provided with a lifting mechanism. The crank sway rod mechanism is driven by mechanical power and drives the oar handle to sway; in the swaying process of the oar handle, the cam is driven to slide in the runner; in the sliding process of the cam, as the salient point of the cam is limited by the lug boss, the cam is driven to deflect. The oar has a compact and reasonable structure in order that the use of the oar is not only limited in a minitype vessel.

Description

A kind of mechanically-actuated scull

Technical field

The utility model relates to a kind of boats and ships thrust unit, especially a kind of big shield that has mechanical powered drive.

Background technology

Sculling generally is a kind of marine propeller that leans on manual operation, sculls by hand and not only will swing big shield, also will change the angle of attack of big shield accordingly, produces propulsive force thus.Technical risk is big, is difficult for grasping.And the manual labour intensity of sculling is big, operation for a long time.Can't satisfy that modern large ship is long-time, uninterrupted, the demand of high thrust, so the use of sculling as a rule at present also is confined on the wooden boat.The patent No. be CN200410088866.9 disclosure of the Invention a kind of propelling unit that is used to promote the boats and ships operation, its essence is exactly a kind of automatic deflection scull.Its big shield sheet is an integral body, have a big shield axle on the big shield sheet, the axle of sculling is divided into former and later two parts to the big shield sheet, axle is in the centre of former and later two parts of sculling owing to scull, so, when big shield sheet during at underwater exercise, the pressure difference that big shield sheet front and rear part is subjected to, the big shield sheet tilts at an angle naturally, and the size of this angle depends on that the axle of sculling is in the position on the big shield sheet and big shield sheet stressed size during in motion.Big shield sheet this self-orientation function when stressed, allowing sculls is always the power that ship provides a direction in motion process.The prerequisite of this big shield work is the water wave that the water surface has certain orientation, and the size of the speed of speed and water wave has directly and get in touch, be not suitable for using in the tranquil lake surface and rivers in use in the reverse driving.The patent No. is that CN200510112034.0 discloses the bionic fish tail scull that a kind of utilization swings up and down the effective propulsive force of generation.The technical scheme of this invention is to utilize hull and people's own wt and water to this relative equilibrium stabilization of hull buoyancy, adopt the mode of ripping bar frame to make lifting bar do perpendicular movement up and down, make the fish tail leaf of lifting bar bottom be subjected to the resistance of water and angulation and produce thrust.This mode is an innovation greatly of manually sculling, but still long-term, stable high-power motion can't be provided.

Summary of the invention

The utility model mainly is to solve the existing in prior technology ship to scull mostly based on manpower and natural power, can't satisfy to work long hours and the demand of big ship operation, and overcome the scull technical matters of operation more complicated of tradition.

Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: a kind of mechanically-actuated scull, comprise loom, big shield sheet and actuating device, an end that it is characterized in that a described loom and a rocking bar is rotationally connected, the other end and the pedestal of rocking bar are rotationally connected, one chute is arranged on the body of rod of rocking bar, chute is provided with an adaptive with it slide block, and slide block links to each other with a crank, and described loom has a fulcrum on hull.Crank rotates under mechanokinetic drives, and in the rotation process, slide block reciprocatingly slides in chute again, just can make that rocking bar reciprocally swinging, the angle of swing are 20 to 45 degree (adjustable) this moment.Rocking bar drives the loom reciprocally swinging.

As preferably, described loom links to each other with a cam, and this cam is located in the chute that is fixed on the hull, and there is boss at the chute middle part.Cam is when changing moving direction from the end of chute under the drive of loom, and its " salient point " can be subjected to the restriction of boss, rotates and drive loom.

As preferably, it is the fan groove on summit with the center of gyration that described cam is provided with one, the axis of symmetry of this fan groove is the salient point and the determined straight line of center of gyration of cam, two elastic rods are arranged in the fan groove, the one end links to each other with center of gyration, the other end along the tangential direction of cam slewing circle respectively to two Edge Bends, during normality, elastic rod is positioned at the center of above-mentioned fan groove.Be subjected to the restriction bending backward at chute edge when cam elastic rod in the translation process, stored certain potential energy, when moving to the end position of a stroke, when the salient point of cam had lost the inhibition of boss, elastic rod will return to the normality position, and the salient point of drive cam is to the normality position, simultaneously, owing to during elastic rod generation deformation, just be difficult to the more deflection of wide-angle takes place again as long as come to the edge of fan groove, so also played a position-limiting action.

As preferably, described boss is made of a bay-lift and adjusting screw(rod), and the hole that adjusting screw(rod) passes on the runner wall is threaded with bay-lift, and has a snap ring to be located on the adjusting screw(rod) of runner wall inboard.Adjusting screw(rod) can rotate freely with respect to runner wall, but owing to be subjected to the restriction of snap ring, translation can't take place, be threaded with bay-lift owing to adjusting screw(rod) again, so when rotating adjusting screw(rod), can drive bay-lift and move up and down, thereby anglec of rotation of adjusting cam and big shield.

As preferably, described boss axis of symmetry is the chute line of centers.This design of boss can guarantee that the anglec of rotation of sculling in the process of motion and right-to-left motion from left to right is constant.Make that advancing of ship is steady.

As preferably, the fulcrum place of described big shield is provided with the bearing that cooperates with it, and bearing links to each other with the vertical rod member of loom with one, and rod member matches with a bearing that is fixed on the hull.Guaranteed like this to scull and had around the rotation of loom axle center with around a spot wobble, the degree of freedom on the both direction.

As preferably, a chute that stretches to nearly crank centre of gration from crank centre of gration far away is arranged on the described crank, the point of connection of crank and slide block can move along this chute, and is provided with a jam nut.When changing the position of this slide block in chute, can be so that the effective length of crank change, thus change the pivot angle of rocking bar.

Therefore, the utility model is rational in infrastructure, and is stable, and stable power can be provided for bigger ship, also liberated labour power simultaneously to a great extent.

Description of drawings

Accompanying drawing 1 is a kind of structural representation of a kind of mechanically-actuated scull of the utility model;

Accompanying drawing 2 is a kind of scheme drawings of a kind of mechanically-actuated scull swinging structure of the utility model;

Accompanying drawing 3 is a kind of scheme drawings of a kind of mechanically-actuated scull rotational structure of the utility model;

Accompanying drawing 4 is structural representations of a kind of mechanically-actuated scull cam of the utility model;

The specific embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment one:

Shown in the accompanying drawing 1 is a kind of a kind of structural representation of mechanically-actuated scull, and it is made up of big shield sheet 5, loom 7 and swinging gear and axial rotating mechanism.Swinging gear as shown in Figure 2 is a quadric linkage, and an end and the loom 7 of rocking bar 64 are rotationally connected, and the other end is connected on the hull, and a chute 65 is arranged on the body of rod of rocking bar, establishes a slide block 63 in the chute, and this slide block links to each other with crank.Be connected to a rare place for being rotationally connected between slide block and the chute or between slide block and the crank.Crank also has arc chute on the crank of slide block junction, this chute is close to the place of nearly crank centre of gration by the place away from the crank centre of gration, and has a lock nut to be used for fixing the position of slide block on crank.

Shown in the accompanying drawing 3 is a kind of a kind of scheme drawing of mechanically-actuated scull rotational structure, and the element of this mechanism is a chute and a cam located therein.This cam as shown in Figure 4, be provided with straight line by center of gyration 82a, salient point 82b, there is one to be that axis of symmetry, central angle are the fan groove of 90 degree with this straight line, be provided with elastic rod in this fan groove, one end of elastic rod links to each other with center of gyration, the other end stretches out fan-shaped scope as shown in the figure, and is bent into an an angle of 90 degrees to both sides respectively.In order to drive the cam upset, chute has a boss in the centre of center of gyration far away one side of cam, and the axis of symmetry of boss is the line of centers of chute.This boss is made of the adjusting screw(rod) of a bay-lift and two symmetrical distributions, and adjusting screw(rod) passes runner wall and is threaded with bay-lift.The inboard of runner wall has two snap rings to be enclosed within on the adjusting screw(rod) respectively.

In the use of sculling, above-mentioned swinging gear drives loom, the big shield sheet swings, in swing process, cam in the chute is owing to the restriction that is subjected to boss is overturn, upset drives loom, the big shield sheet rotates, owing to be subjected to the effect of streaming of water, the upset that cam can be not unlimited is so the restriction site of boss is the position location of sculling after rotating again.Like this, just can guarantee that ship sculls certain angle of attack is arranged in the process of swinging, under the promotion of the antagonistic force of water, ship is pushed ahead.

Claims

1. mechanically-actuated scull, comprise loom, big shield sheet and actuating device, it is characterized in that a described loom (7) and an end of a rocking bar (64) are rotationally connected, the other end and the pedestal of rocking bar are rotationally connected, one chute (62) is arranged on the body of rod of rocking bar, chute is provided with an adaptive with it slide block (63), and slide block links to each other with a crank (61), and described loom has a fulcrum on hull.

2. a kind of mechanically-actuated scull according to claim 1 is characterized in that described loom links to each other with a cam (82), and this cam is located in the chute that is fixed on the hull (81), and there is boss at the chute middle part.

3. a kind of mechanically-actuated scull according to claim 2, it is characterized in that establishing on the described cam one is the fan groove on summit with the center of gyration, the axis of symmetry of this fan groove is the salient point of cam and the straight line that center of gyration is determined, two elastic rods are arranged in the fan groove, the one end links to each other with center of gyration, the other end along the tangential direction of cam slewing circle respectively to two Edge Bends, during normality, elastic rod is positioned at the center of above-mentioned fan groove.

4. according to claim 2 or 3 described a kind of mechanically-actuated sculls, it is characterized in that described boss is made of a bay-lift (84) and adjusting screw(rod) (85), the hole that adjusting screw(rod) passes on the runner wall is threaded with bay-lift, and has a snap ring (86) to be located on the adjusting screw(rod) of runner wall inboard.

5. a kind of mechanically-actuated scull according to claim 4 is characterized in that described boss axis of symmetry is the chute line of centers.

6. according to claim 1 or 2 or 5 described a kind of mechanically-actuated sculls, the fulcrum place that it is characterized in that described big shield is provided with the bearing (9) that cooperates with it, bearing (9) links to each other with the vertical rod member (10) of loom with one, and rod member matches with a bearing (11) that is fixed on the hull.

7. a kind of mechanically-actuated scull according to claim 4, the fulcrum place that it is characterized in that described big shield is provided with the bearing (9) that cooperates with it, bearing (9) links to each other with the vertical rod member (10) of loom with one, and rod member matches with a bearing (11) that is fixed on the hull.

8. according to claim 1 or 2 or 3 or 5 or 7 described a kind of mechanically-actuated sculls, it is characterized in that having on the described crank one from the chute (65) of crank centre of gration far away to nearly crank centre of gration stretching, extension, crank (61) can move along this chute with the point of connection of slide block (63), and is provided with a jam nut.

9. a kind of mechanically-actuated scull according to claim 4, it is characterized in that having on the described crank one from the chute (65) of crank centre of gration far away to nearly crank centre of gration stretching, extension, crank (61) can move along this chute with the point of connection of slide block (63), and is provided with a jam nut.