CN101229846A

CN101229846A - Mowing equipment capable of being used on water-blowing propelled ship

Info

Publication number: CN101229846A
Application number: CNA2008100207181A
Authority: CN
Inventors: 芮应睿; 芮裕亭
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-22
Filing date: 2008-02-22
Publication date: 2008-07-30

Abstract

The invention discloses a mower which can be used on a spray typed propelled ship, which comprises a water inlet tube, an inlet, an outlet, and a propeller pumping water from the inlet to the outlet, wherein, the propeller is provided with blades that have guiding edges facing the inlet and is further provided with a clapboard installed inside the inlet tube; the clapboard is provided with a cutting edge near the guiding edge of each blade, a second cutting edge near an external surface of the propeller, and a third cutting edge near a driving shaft; a connecting block extends from the clapboard toward a side and is connected with an internal surface of the water inlet tube. The invention can effectively, safely and reliably cut float grasses and sundries entering a propelling system, causes the float grasses and sundries to be short enough to pass through the inlet tube and the propeller and to be sprayed out from a nozzle instead of piling in these places or blocking the water from passing through the propelling system.

Description

Can be used on the veneer clipper on the jet propelled boat

Technical field

The present invention relates to a kind of being used in water jet is equipment on the ship class of power.Definite says so, the invention belongs to a kind of be used for cutting by water bring the grass in the propulsion system and the equipment of other foreign material into.

Background technology

Water-blowing ship is a kind of ship by spraying water and advance from quarter of a ship.Be different from power driven vessel or motor boat and use the propelling unit of putting into water that is arranged in the ship back, water-blowing ship is the jet dredge pump in the water of the boat bottom suction ship, then from being positioned at the nozzle ejection of stern.

Water-blowing ship has very high manoevreability, can put upside down and also stopping distance very short.

Traditional propeller formula paddle wheel quickens a large amount of water with low amounts of water, in like manner quickens a large amount of air in airplane propellers by a spot of air.What compare is that jet quickens a spot of air by a large amount of air.On water-blowing ship, a spot of water of pump quickens it by a large amount of water, is being higher than the horizontal surface place with the water propulsion of vessels that gushes out.The propelling of water realizes by propelling unit.

The normal plane of water-blowing ship and the water surface intersect, and just the afterbody of ship is in water.The most of inswept water surface of ship, resistance has reduced, and manoevreability has increased.For stability, water-blowing ship is low-angle hull.When speed is arranged, water-blowing ship can be in the waters that is less than 12 inches (30cm) safe in operation.

Water-blowing ship is more shallow through being everlasting, have in the floating lake water of pasture and water and operate.The careless regular meeting ingoing stream boot section of length and propulsion system and then meeting and propelling unit blade, axle and conduit twine in the shoal, and block propulsion system.Under extreme case, weeds that current boot section and propulsion system are filled in and fragment are too many and make driving engine stop or the speed that pumps into of current can not satisfy the propelling of ship.In this case, ship will be shifted out in the water and manually weeds be removed.

Therefore need effective, a safe and reliable technology cutting to enter the pasture and water and the foreign material of propulsion system, make their length short as can to go out, and locally do not pile up or block current and pass through propulsion system at these by inlet ducts and propelling unit and from nozzle.

Summary of the invention

Goal of the invention: the purpose of this invention is to provide a kind of equipment that enters the weeds in the body that is used for cutting, this equipment can cut effectively, safely and reliably just and enter the pasture and water and the foreign material of propulsion system, make the length of pasture and water and foreign material short as can to go out, and locally do not pile up or block current and pass through propulsion system at these by inlet ducts and propelling unit and from nozzle.

Technical scheme: one of the present invention is used for cutting the equipment that enters the weeds in the body, and it comprises import, outlet, a propelling unit, when propelling unit pivots water from the import pump to the outlet; Propelling unit comprises a blade, and blade has in the face of the guide surface of import and dividing plate relative motion; Dividing plate comprises a cutting edge near guide surface, when the leading edge partial rotation arrives guide edge.

The said equipment does not have mobile part, does not have actual loss in efficiency, and simple and efficient.By some fastener such as bolt or screw easily, dividing plate is easily installed in the inside face of induction pipe.Cutting edge forms on dividing plate, and a little gap is arranged between the blade of rotatable propeller, pusher surface and the S. A., and weeds will constantly be broken apart by chopping after engine power is delivered on the propelling unit, cut into very short length.

Beneficial effect: the present invention's cutting effectively, safely and reliably enters the pasture and water and the foreign material of propulsion system, make the length of pasture and water and foreign material short as can to go out, and locally do not pile up or block current and pass through propulsion system at these by inlet ducts and propelling unit and from nozzle.

Description of drawings

Fig. 1 is the section drawing of the water propulsion system used on the water-blowing ship.

Fig. 2 is the 2-2 section drawing of Fig. 1.

Fig. 3 is the lateral plan of propelling unit, dividing plate and engine shaft.

Fig. 4 is the front view of Fig. 3 component diagram.

Fig. 5 is the transparent view of dividing plate.

Fig. 6 is angle of rake structural representation.

Fig. 7 is the lateral plan of injecting type kayak.

The specific embodiment

Be to describe in detail below, what need statement is, explains, for example special, although be a fine embodiment of the present invention, just be used for describing, for these embodiments and the various changes of giving an example and revise also be considered as with the present invention similar.

As shown in the figure: be used for advancing the water propulsion system 10 of water-blowing ship to comprise a coolant inlet pipe 12, a stator body 14 by the attaching parts that distributes, is connected to the end of coolant inlet pipe as bolt or screw, also have jet pipe 18, be connected to the end of stator by a series of attaching parts 20.Although coolant inlet pipe 12 is shown as an assembly, separate with hull, it also can be made of one with hull.

Coolant inlet pipe 12 is housings, preferably uses the plastic casing of die production, and water can enter and flows out from the outlet 26 of jet pipe 18 by path 22 from import 24.Coolant inlet pipe 12 is gone back and axially extended cylindrical tube 28 one.Axle drive shaft 30, last 32 places of axle are connected with the engine shaft spline, extend through cylinder 28 and enter propelling unit 34, and be connected with propelling unit is drivable.Axle 30 passes the hole 36 of the outside face of coolant inlet pipe 12.The outlet of pipe 12 has flange 38, by attaching parts bolt 16 connections of top a series of angled distribution.

Elementary stream 22 delegated paths and water (flow) direction from import 24, arrive outlet 26 by coolant inlet pipe 12, propelling unit and jet pipe 18.

Stator 14 has individual cylindrical space to adorn propelling unit 34, and has the blade 46 of angled distribution to comprise bearing 50,52 with cylinder 48 on stator, and axle 30 and propelling unit 34 are around 40 rotations of

axle core.Bearing

50 and 52 is by seal ring 42 protections that are positioned at cylinder 48, the space of preventing sealing and containment ingression axle and bearing.

The water entering surface of propelling unit 34 have flange 54 and above mounting hole is arranged, the mounting hole 16 that is used for connecting the flange 38 of coolant inlet pipe 12 inserts in the mounting hole of coolants inlet pipe and stator 14.Equally, stator end has the flange 56 of band mounting hole, is connected with the flange hole 64 of jet pipe 18, and hold-down bolt 20 connects stator and jet pipe.

Jet pipe 18 comprises pilot blade 60, and is preferably made by the plastics of die production, with axle 40 angled distributions, and and stator on the trailing edge of blade 46 cooperate.The collar extension place of cylinder 48 is a cone 62, cone in jet pipe 18, extend and along the direction of current to outlet 26.

Dividing plate 70, preferably by the sheetmetal punch forming, the hole 72 that is connected piece 74 is connected by mechanical mode, and contiguous block 74 is that the longitudinal plane of symmetry 75 by dividing plate extends out to both sides.See Fig. 1,3 and 4, dividing plate 70 minimum three

limits

76,78,80 that comprise the face of being positioned at 75 peripheries.Cutting edge 76 is near the leading edge of the blade 82 of propelling units 34, when these blades rotate to the position of dividing plate 70, sees Fig. 3.Second cutting edge 78 is adjacent to angle of rake outside face 81.The 3rd cutting edge 80 is positioned at the outside face of axle drive shaft 30.Preferably there are width 2mm and 4mm in narrow and small gap, is exactly

cutting edge

76,78 and 80 82 limits to 34 of contiguous propelling units, the distance of the outside face of outside face 81 and axle drive shaft 30, but the width in gap also can be at 2mm outside this scope of 4mm.

The blade of propelling unit 34 comprises three

blades

84,86,88, sees Fig. 6, and they are positioned at the outside face 81 of propelling unit 34.Each blade extension also centers on angle of rake axle curl.The axial end that is positioned at of each blade is exactly near the water inlet pipe end, become the leading edge shape to extend outside axially, and the blade of the most close jet pipe 18 also outwards becomes the wing edge around axle 40.Blade 84 has leading edge 90; Blade 86 has leading edge 92, and blade 88 has leading edge 94.Blade 84,86,88 along the 40 angled extensions of axle core, see that from axial view (Fig. 4) blade overlaps.The trailing edge 96 of blade 86 and the trailing edge 98 of blade 84 are seen Fig. 6.

Although

blade

84,86, as seen, they are curves to 88 leading

edge

90,92,94 in Fig. 4, and cutting edge 76 also is curve, meet the shape of leading edge.Although propelling unit appears to have three blades, it also can be four or more.

In when operation, weeds in the water and other foreign material enter the import of coolant inlet pipe 12 to propelling unit 34 from import 24, by the

cutting edge

76,78 of dividing plate 70 with 80 cuttings or chop off very short.The leading

edge

90,92,94 of

propelling unit blade

84,86,88 is the cutting edge 76 of close dividing plate 70 when rotated, and the weeds foreign material that enter along with water arrive cut edge 76, and when propelling unit blade rotation process cutting edge 76, they are cut into cutting back at 76 places.Same reason, the outside face guiding weeds foreign material to the second of the outside face 81 of propelling unit 34 and axle and the 3rd

cutting edge

78,80 places also thereat cut into cutting back.Weeds is cut by such method, and short weeds at high speed by propelling unit 34, stator 14 and jet pipe 18 by the water band.

Fig. 7 has represented axle drive shaft 30, coolant inlet pipe 12, water entry 24, stator 14, dividing plate 70, propelling unit 34, jet pipe 18 and the installation of outlet 26 on the kayak 100 that sprays power.Injection water 102, its advances and drives ship, can see that it rises to from the outlet 26 of nozzle to be higher than the aerial of the water surface.The left-hand that driving engine is positioned at the axle drive shaft end to, drive propelling unit 34, his blade drives and enters the water of system and advance water to reach high-velocity flow 102 in system.

Claims

1. veneer clipper that can be used on the jet propelled boat is characterized in that it comprises:

A coolant inlet pipe;

Import and outlet;

The propelling unit of the driven shaft driven in rotation of a pump water from import to outlet, propelling unit has an outside face, some blades link to each other with angle of rake outside face, and each blade has one from the outstanding outside leading edge of outside face, and and the angled layout of leading edge of other blades;

A dividing plate that is connected in the coolant inlet pipe, the leading edge that dividing plate is adjacent to each blade has a cut edge, when each blade rotates to a dividing plate place.

2. the veneer clipper that can be used on the jet propelled boat according to claim 1 is characterized in that it is second cutting edge that described dividing plate is adjacent to angle of rake outer surface.

3. the veneer clipper that can be used on the jet propelled boat according to claim 1 and 2 is characterized in that the outer surface that dividing plate is adjacent to axle drive shaft is the 3rd cutting edge.

4. the veneer clipper that can be used on the jet propelled boat according to claim 3 is characterized in that the cutting edge of dividing plate has first gap to leading edge, and second cutting edge has second gap to outside face, and cutting edge has the 3rd gap to the outside face of axle drive shaft.

5. the veneer clipper that can be used on the jet propelled boat according to claim 1, the leading edge that it is characterized in that each blade are parallel to cutting edge and are positioned at the import end of blade.

6. the veneer clipper that can be used on the jet propelled boat according to claim 1, it is characterized in that veneer clipper also comprises: a stator is connected on the coolant inlet pipe, it provides a passage to allow water flow to outlet from coolant inlet pipe, it comprises that an inside face is round propelling unit, and a jet pipe is connected on the stator, provide a passage to allow water flow to outlet from stator, it comprises a pyramid type inside face, and radius is along with reducing gradually to outlet from stator.

7. veneer clipper that can be used on the jet propelled boat is characterized in that it comprises:

A coolant inlet pipe;

Import and outlet;

The propelling unit of a pump water from import to outlet, propelling unit comprises that there is the blade of leading edge at an adjacent entrance place;

A dividing plate, contiguous leading edge has cutting edge.

8. the veneer clipper that can be used on the jet propelled boat according to claim 7 is characterized in that described dividing plate is adjacent to angle of rake outside face and comprises second cutting edge.

9. the veneer clipper that can be used on the jet propelled boat according to claim 7 is characterized in that the surface that dividing plate is adjacent to axle drive shaft comprises the 3rd cutting edge.

10. the veneer clipper that can be used on the jet propelled boat according to claim 9 is characterized in that the cutting edge of dividing plate has first gap to leading edge, and second cutting edge has second gap to outside face, and cutting edge has the 3rd gap to the outside face of axle drive shaft.

11. a veneer clipper that can be used on the jet propelled boat is characterized in that it comprises:

A coolant inlet pipe;

Import and outlet;

A stator provides a passage to flow to outlet by water from coolant inlet pipe;

Pump water propelling unit from import to outlet, propelling unit is positioned at stator,, some blades are connected on the angle of rake outside face, each blade has one from the outstanding outside leading edge of outside face, and and the angled layout of leading edge of other blades;

A dividing plate is connected on the coolant inlet pipe, and the leading edge that dividing plate is adjacent to blade has a cut edge;

A jet pipe of taking mouth out of provides a passage to receive outlet by water from stator, also comprises a pyramid type inside face, and radius is along with reducing gradually to outlet from stator.

12. the veneer clipper that is used on the jet propelled boat according to claim 11 is characterized in that described dividing plate is adjacent to angle of rake outside face and comprises second cutting edge.

13. the veneer clipper that can be used on the jet propelled boat according to claim 11 is characterized in that the surface that dividing plate is adjacent to axle drive shaft comprises the 3rd cutting edge.

14. the veneer clipper that can be used on the jet propelled boat according to claim 13, the leading edge that it is characterized in that contiguous each blade of dividing plate has cutting edge, contiguous angle of rake outside face has second cutting edge, contiguous axle drive shaft has the 3rd cutting edge, and contiguous block extends and is connected on the inside face of coolant inlet pipe to the side from the dividing plate.