CN88201927U - Ball leading screw driving manual oil pressure steering engine - Google Patents

Abstract

The utility model discloses a manual oil pressure steering engine taking a ball leading screw as a main drive structure, and is suitable for steering light-tonnage vessels such as fishing boats, cargo ships, oil tankers, passenger ships, barges, etc. One end of the ball leading screw is directly provided with a hand wheel, and the other end extends in the hollow stem of a piston. The ball leading screw rotates in clockwise or in counter clockwise along with the hand wheel when the hand wheel rotates. A screw nut with a ball moves forwards and backwards to drive the piston to move reciprocally. Accordingly, the pressure oil is pressed into a rudder pushing oil cylinder through pipelines to make the rudder arm swing for a certain angle leftwards or rightwards rounding a rudder axle in order to obtain the steering purpose.

Description

Ball leading screw driving manual oil pressure steering engine

The utility model relates to a kind of improved manpower oil pressure steering wheel, and particularly a kind of steering part is with the manpower oil pressure steering wheel of ball screw as main drive gear.Be suitable for light-tonnage vessels such as fishing vessel, freighter, oil tanker, passenger boat, barge and be used for steering.

Traditional manpower steering wheel adopts chain gear, and driving efficiency is low, goes on board trouble is installed, and shared locus is big, thereby has influenced the construction speed of boats and ships.In recent years, developed the manpower oil pressure steering wheel of multiple pattern, mainly contain: 1. gear type pump type: the pressure of this steering wheel steering part oil is to mesh with the gear rotating to produce, enter by the road and push away the rudder oil cylinder, though structural volume is little, easy for installation, but driving efficiency is low, is difficult to install helm indicator.2. small plunger diameter pump type: this steering wheel steering partly be with cam or partially several small plunger diameter of drive such as dish move back and forth the generation pressure oil, though the driving efficiency height, complex structure also is difficult to install helm indicator.3. the big plunger tpe of gear reduction: the steering wheel steering of this pattern partly is to drive multi-stage gear by handwheel to slow down, engagement by wheel and rack promotes one or two big plunger crank motion formation pressure oil, the driving efficiency height, though helm indicator can be installed, but complex structure, steering wheel itself want multi-stage gear to slow down, thereby the cost height, weight is big, and it is very inconvenient to refuel, exit.

Task of the present utility model provides a kind of improved manpower oil pressure steering wheel, and it is the driving efficiency height not only, and is simple in structure, be easy to install helm indicator, can refuel very easily again, exit,, adapt to the boats and ships of different moments of torsion simultaneously by the adjusting hand wheel revolution.

Task of the present utility model is finished as follows: at first partly done improvement in steering, adopt ball screw as main drive gear, one end of ball screw directly is equipped with handwheel, and the other end stretches in the hollow stem of piston, and both are on same axis.The nut that ball is housed is located with locating dowel pin, and compacting ring is pressed abd fixed in the end of hollow stem of piston.Guides is contained in outside the compacting ring, is screwed on compacting ring.The rudder angle pointer directly is housed on guides, and the rudder angle indicator board on the face is carved with the indication angle, is fixed on the body, for dustproof, covers with the transparent plate of looking.Move forward and backward the positive and negative two direction power that produce in the process in order to make ball screw can bear piston, screw mandrel one end is equipped with plain thrust bearing, the overcoat cup, and tight with the tegillum lid, tegillum is fixed by bolt and body.The two ends of guide pin bushing hold out against handwheel and plain thrust bearing respectively, and the handwheel outside screws with nut.This steering wheel principle of work is: when handwheel along pointer or when rotating counterclockwise, ball screw also rotates, the nut that ball is housed then moves forward and backward, drive reciprocating motion of the pistons, under the effect of piston, pressure oil enters by the road and pushes away the rudder oil cylinder, force rudder arm to put certain angle to the left or to the right around rudderpost, because guides directly is fixed on the end of the hollow stem of piston, when piston moves forward and backward, the rudder angle pointer is just very clearly indicated the angle of putting on the rudder angle display disc, reaches the steering purpose.In order to refuel, to exit, on the steering oil cylinder, be provided with oil cabinet, with two aperture UNICOMs, oil cabinet has two tapped bore, and the ventilation filler plug is screwed into respectively in two tapped bore, and its end is the pointed aperture that just in time holds out against.When venting, oiling, the venting filler plug of outwarding winding, the left-right rotation handwheel moves forward and backward piston then, and an end of piston is clamp-oned oil cabinet to oily inspiration steering oil cylinder to the gas of the other end simultaneously like this, finishes venting, oiling work.

Next is to be drilled with to adjust the hole on bearing support that pushes away the rudder part and rudder arm, and parallel moving pushes away the rudder oil cylinder, makes it to be connected with the corresponding hole of adjusting, adjust rudderpost and the width between centers that pushes away the rudder oil cylinder, change pushes away the stroke of rudder and steering oil cylinder, thereby reaches the adjusting hand wheel revolution, adapts to the boats and ships of different moments of torsion.

The utility model is because the steering part directly adopts ball screw as main drive gear, thereby the driving efficiency height, and is simple in structure, dependable performance.Have easy for installationly, cost is low, spare and accessory parts standardization level height, advantages such as highly versatile.

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

Fig. 1 is the utility model steering part concrete structure section-drawing.

Fig. 2 is for the utility model steering and push away rudder two parts fundamental diagram.

With reference to Fig. 1, rotating garden shape handwheel (1) garden, center borehole jack is gone into an end of ball screw (9), with key (2) handwheel is fixed on the ball screw, the other end car of ball screw has screw thread, stretches in the hollow stem of piston (13), and the nut (11) that ball (10) are housed is located with locating dowel pin (12), compacting ring (24) compresses, be fixed in the hollow stem end of piston, guides (26) is contained in the compacting ring outside, is fixed on the compacting ring with screw (27).Rudder angle pointer (25) is housed on the guides, and the rudder angle indicator board (23) on the face is carved with the indication angle, is fixed on the body (8), for dustproof, covers it with the transparent plate (22) of looking.For being born at piston, ball screw moves forward and backward the positive and negative two direction power that produce in the process, one end of screw mandrel is equipped with plain thrust bearing (6) near the inboard place of handwheel, overcoat cup (7), cover with tegillum (4), bolt (5) is fixed on tegillum on the body (8), the two ends of guide pin bushing (28) hold out against handwheel and plain thrust bearing respectively, and tighten with nut (3) in the handwheel outside.Be provided with same oil cabinet (19) on the chamber before and after steering oil cylinder (15), use aperture (21) to be communicated with respectively, oil cabinet has two tapped bore (20), and venting filler plug (18) is screwed in two holes, and the pointed part of front end holds out against two through hole.When venting was refueled, the venting filler plug of outwarding winding was rotated handwheel then, piston is moved, and an end of piston sucks the steering oil cylinder to oil, and the other end enters oil cabinet to gas simultaneously, cw or conter clockwise come the back rotation handwheel, and piston moves back and forth, and just can exit easily and refuel.

With reference to Fig. 2, when handwheel (1) when clockwise rotating, ball screw (9) also clockwise rotates, under the dextrorotation situation, the nut that ball is housed drives piston (13) and moves backward, and pressure oil flows into pipeline (32) by outlet (30) and enters the back cavity that pushes away rudder oil cylinder (33), promoting piston (38) moves forward, rudder arm (36) is connected with pin (34) with rod end, so rudder arm (36) just put an angle left around rudderpost (37), otherwise then opposite.Pushing away rudder oil cylinder (33) is fixed on the bearing support (31).Be drilled with adjustment hole (35) at bearing support (31) and rudder arm (36), parallel moving pushes away the rudder oil cylinder, its two ends are connected with corresponding adjustment hole respectively, adjust rudderpost and the width between centers that pushes away the rudder oil cylinder, change and push away rudder and steering oil cylinder stroke, the adjusting hand wheel revolution to be adapted to the boats and ships of different moments of torsion, improves the comformability of this steering wheel.

Claims (3)

1, ball screw manpower oil pressure steering wheel, by steering, push away the rudder two large divisions and form, steering partly contains handwheel (1), steering oil cylinder (15), piston (13); Rudder angle pointer (25), rudder angle indicator board (23), push away the rudder part by pushing away rudder oil cylinder (33), piston (38), bearing support (31), rudder arm (36), pin (34), rudderpost (37) is formed, it is characterized in that: steering part with ball screw as main drive gear, the one end directly is equipped with handwheel (1), a screwed end stretches in the hollow stem of piston (13), both are on same axis, the nut (11) that ball (10) are housed is located with locating dowel pin (12), compacting ring (24) compresses, guides (26) is contained in outside the compacting ring, be fixed on the compacting ring with screw (27), be equipped with oil cabinet (19) on the steering oil cylinder (15), be communicated with two apertures (21), oil cabinet has two tapped bore (20), venting filler plug (18) is screwed into respectively in two tapped bore, and its end is the pointed aperture that just in time holds out against.

2, manpower oil pressure steering wheel according to claim 1, it is characterized in that: the rudder angle pointer directly is contained on the guides (26).

3, manpower oil pressure steering wheel according to claim 1 is characterized in that: be drilled with respectively on bearing support (31) and the rudder arm (36) and adjust the hole.

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