CN202557788U - Hydraulic side propeller - Google Patents

Abstract

The utility model discloses a hydraulic side propeller. The hydraulic side propeller is characterized in that a support body is arranged in a guider cylinder and composed of a bearing cover, a bearing block, a sealing cylinder and a sealing cover, one end of the sealing cylinder is connected with the bearing block, the other end of the sealing cylinder is connected with the sealing cover, a propeller shaft is connected with the bearing block through a bearing, one end of the propeller shaft is connected with a propeller, the other end of the propeller shaft is connected with an output shaft of a hydraulic motor which is connected with the support body, the support body is fixed inside the guide cylinder through a sleeve which communicates the support body with a cabin, and an oil inlet pipe and an oil discharging pipe of the hydraulic motor penetrate through the sleeve and are connected with a hydraulic source and a hydraulic control device which are arranged in the cabin. According to the propeller, the hydraulic motor drives the propeller to rotate, a volume adjustable hydraulic pump and a constant displacement hydraulic motor form a closed hydraulic circuit, and a power utilization proportional valve controls the discharge capacity of the pump, therefore the revolving speed and the rotating direction of the propeller are changed. The hydraulic side propeller has the advantages of being simple in structure, convenient to operate, high in working efficiency, low in noise, long in service life and the like.

Description

The hydraulic lateral propelling unit

Technical field

The utility model relates to the propelling unit of boats and ships, specifically a kind of reliable operation, high efficiency, the hydraulic lateral propelling unit that noise is low.

Background technology

As everyone knows; Big-and-middle-sized boats and ships also can conveniently get into harbour or harbour in order to draw ship; Generally be provided with the side direction propelling unit in the side of boats and ships, the side direction propelling unit generally is installed in the stem position of boats and ships, promptly is equipped with vertical with the ship stern tube shaft at the stem position and runs through the guide shell of hull both sides; Be provided with in the guide shell by transmission shaft, change gear pair, prop shaft, screw propeller etc.; Transmission shaft generally is connected with power take-off shaft through change speed gear box, and the rotation that drives screw propeller through transmission shaft to be reaching the effect of thruster boats and ships, and its deficiency is that poor, the lubricated difficulty of complex structure, leak tightness, inefficiency, operating noise are big etc.

Summary of the invention

The purpose of the utility model is the deficiency that overcomes above-mentioned prior art, provides a kind of reliable operation, high efficiency, noise the low hydraulic lateral propelling unit by the rotation of HM Hydraulic Motor direct-driven airscrew.

The utility model can reach through following measure:

A kind of hydraulic lateral propelling unit comprises the guide shell that is horizontally through cabin, it is characterized in that being provided with in the guide shell supporter; Supporter is made up of bearing cap shim, bearing seat, sealed chamber and seal cover cap; Sealed chamber one end is connected with bearing seat, and the sealed chamber other end is connected with seal cover cap, and prop shaft is connected with bearing seat through bearing; Prop shaft one end is connected with screw propeller; The other end directly is connected with hydraulic motor output shaft, and HM Hydraulic Motor is connected with supporter, and supporter is fixed in the guide shell by sleeve; Sleeve is connected supporter and cabin, and the oil inlet of HM Hydraulic Motor and overflow oil tube pass sleeve and be connected with hydraulic power source and hydraulic control device in the cabin.

The described supporter of the utility model is fixed in the guide shell by sleeve and support jointly, the stability when working to improve supporter, and HM Hydraulic Motor is contained in the guide shell, and output shaft directly is connected with an end of propeller drive shaft.

Described hydraulic power source of the utility model and hydraulic control device comprise driving engine, Hydraulic Pump, Hydraulic Pump stroking mechanism, fluid infusion pump, multifunction valve and flush valve; Volume adjustable hydraulic pump and constant displacement hydraulic motor are formed a closed hydraulic loop; Think that HM Hydraulic Motor provides energy; Volume adjustable hydraulic pump and constant displacement hydraulic motor are formed a closed hydraulic loop, and with the discharge capacity of electric proportional valve operate pump, thereby realization changes the rotating speed and the rotation direction of screw propeller.

The utility model is installed in the inside of baffle with HM Hydraulic Motor, and hydraulic motor output shaft directly is connected with spline with prop shaft, is rotated by the fluid motor-driven screw propeller; Volume adjustable hydraulic pump and constant displacement hydraulic motor are formed a closed hydraulic loop; With the discharge capacity of electric proportional valve operate pump, thereby realization changes the rotating speed and the rotation direction of screw propeller, has simple in structure; Control comfort, advantage such as work efficiency, noise are low, long service life.

Description of drawings

A kind of structural representation of Fig. 1 the utility model.

Fig. 2 is the hydraulic efficiency pressure system block diagram of the utility model.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is further described.

As shown in the figure, a kind of hydraulic lateral propelling unit comprises the guide shell 19 that is horizontally through cabin; It is characterized in that in the guide shell that 19 are provided with supporter, supporter is made up ofbearing cap shim 4,bearing seat 7, sealed chamber 20 and seal cover cap 21, and sealed chamber 20 1 ends and bearingseat 7 are connected through bolt; Sealed chamber 20 other ends and seal cover cap 21 are connected through bolt, andprop shaft 6 is connected withbearing seat 7 throughbearing 5, and bearingcap shim 4 is connected withbearing seat 7; Bearingcap shim 4 is provided with sealing 3, gets into the enclosure space that is formed by sealed chamber 20, seal cover cap 21,bearing seat 7, bearingcap shim 4 andprop shaft 6 to prevent water, andprop shaft 6 one ends are connected withscrew propeller 2 throughkey 2; The other end is connected with the output shaft of HMHydraulic Motor 8, andprop shaft 6 is identical with the connection mode and the prior art of the output shaft of HM Hydraulic Motor 8, and this does not give unnecessary details; HM Hydraulic Motor 8 is connected with supporter, and HM Hydraulic Motor 8 can be connected support withbearing seat 7 or sealed chamber 20, and its connection structure is identical with prior art; This does not give unnecessary details, and supporter is fixed in the guide shell 19 bysleeve 11, also can be provided with support; Supporter is fixed in the guide shell 19 bysleeve 11 and support jointly, andsleeve 11 is connected supporter and cabin, theoil inlet 10 of HM Hydraulic Motor andoverflow oil tube 9 pass in thesleeve 11 with the cabin in hydraulic power source and hydraulic control device be connected; Hydraulic power source and hydraulic control device comprise driving engine 12,Hydraulic Pump 13, HydraulicPump stroking mechanism 14, fluid infusion pump 15,multifunction valve 16 and flush valve 17, think that HM Hydraulic Motor provides energy, and volume adjustable hydraulic pump and constant displacement hydraulic motor are formed a closed hydraulic loop; With the discharge capacity of electric proportional valve operate pump, thereby realization changes the rotating speed and the rotation direction ofscrew propeller 2, and the structure of the component part of hydraulic power source and hydraulic control device and the mutual downlink connection relation between them are identical with prior art; This does not give unnecessary details; The utility model is installed in the inside of baffle with HM Hydraulic Motor, and hydraulic motor output shaft directly is connected with spline with prop shaft, is rotated by the fluid motor-driven screw propeller; Volume adjustable hydraulic pump and constant displacement hydraulic motor are formed a closed hydraulic loop; With the discharge capacity of electric proportional valve operate pump, thereby realization changes the rotating speed and the rotation direction of screw propeller, has simple in structure; Control comfort, advantage such as work efficiency, noise are low, long service life.

Claims (3)

1. a hydraulic lateral propelling unit comprises the guide shell that is horizontally through cabin, it is characterized in that being provided with in the guide shell supporter; Supporter is made up of bearing cap shim, bearing seat, sealed chamber and seal cover cap; Sealed chamber one end is connected with bearing seat, and the sealed chamber other end is connected with seal cover cap, and prop shaft is connected with bearing seat through bearing; Prop shaft one end is connected with screw propeller; The other end is connected with hydraulic motor output shaft, and HM Hydraulic Motor is connected with supporter, and supporter is fixed in the guide shell by sleeve; Sleeve is connected supporter and cabin, and the oil inlet of HM Hydraulic Motor and overflow oil tube pass sleeve and be connected with hydraulic power source and hydraulic control device in the cabin.

2. a kind of hydraulic lateral propelling unit according to claim 1 is characterized in that supporter is fixed in the guide shell by sleeve and support jointly, and HM Hydraulic Motor is contained in the guide shell, and output shaft directly is connected with an end of propeller drive shaft.

3. a kind of hydraulic lateral propelling unit according to claim 1; It is characterized in that described hydraulic power source of the utility model and hydraulic control device comprise driving engine, Hydraulic Pump, Hydraulic Pump stroking mechanism, fluid infusion pump, multifunction valve and flush valve, volume adjustable hydraulic pump and constant displacement hydraulic motor are formed a closed hydraulic loop.

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