CN214698618U - Integrated pump-controlled closed shifting fork electro-hydraulic steering engine - Google Patents
Integrated pump-controlled closed shifting fork electro-hydraulic steering engine Download PDFInfo
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- CN214698618U CN214698618U CN202023350449.0U CN202023350449U CN214698618U CN 214698618 U CN214698618 U CN 214698618U CN 202023350449 U CN202023350449 U CN 202023350449U CN 214698618 U CN214698618 U CN 214698618U
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Abstract
The utility model relates to an integrated pump control closed shifting fork electro-hydraulic steering engine, which comprises two sets of hydraulic pump stations, wherein the two sets of hydraulic pump stations are fixedly connected with a steering gear pushing device, the steering gear pushing device is connected with a steering engine base, the steering gear pushing device comprises a steering rod, and steering rod driving structures are arranged on two sides of the upper end of the steering rod; the rudder stock driving structure drives the rudder stock to rotate through the rudder stock driving structure by the rudder stock driving piece. The utility model discloses to push away rudder device and hydraulic power unit and merge into an organic whole, reduced the area of shift fork electro-hydraulic steering wheel, adopt the mounting means of epoxy casting or steel gasket, reduced the construction degree of difficulty of shipyard installation steering wheel, shorten equipment fixing's time. The utility model discloses all connecting tube among the hydraulic system are all connected before dispatching from the factory and are finished, have avoided the welding of shipyard, avoid because the secondary pollution that the welding of pipeline caused, have improved whole hydraulic system's security performance.
Description
Technical Field
The patent of the utility model relates to a main product is the electronic hydraulic steering wheel, and what specifically say mainly involved is a novel integrated form pump control closed hydraulic system's shift fork electronic hydraulic steering wheel.
Background
The marine hydraulic steering engine is a power source for controlling the rotation of the rudder blade, so that the navigation of the ship is changed due to the rotation of the rudder blade, namely the navigation and the safety of the ship are determined by the action of the hydraulic steering engine, and the hydraulic steering engine is one of the most important devices on the ship.
The hydraulic steering engine steering wheel that uses on present boats and ships mainly is: a tilt cylinder type, a shift fork type and a rotary vane type. The oscillating cylinder type electro-hydraulic steering engine adopts a piston type oil cylinder as an actuating mechanism to push the rudder tiller to rotate, so that the rudder blade is driven to rotate, and the steering of a ship is realized. When the tonnage of the steering engine is large, the stroke of the piston type oil cylinder is changed to be very large, so that the piston rod and the center line of the cylinder barrel are caused to generate relative displacement, an included angle is formed between the piston rod and the center line of the cylinder barrel, the abrasion of a coating of the piston rod is accelerated, the service life of the oil cylinder is shortened, and the oscillating cylinder type hydraulic steering engine is generally suitable for small and medium-sized ships and is not suitable for large ships.
The rotating vane type hydraulic steering engine is characterized in that the rotating vane and the fixed vane are arranged inside the rotating vane type hydraulic steering engine, the rotating vane and a rudder stock are relatively fixed, and hydraulic oil pushes the rotating vane to rotate so as to drive the rudder vane to rotate, so that steering of a ship is realized. However, because the static blade and the rotating blade are both sealed by unclosed interfaces, internal leakage is formed between the static blade and the rotating blade, so that the prior ship using the steering engine is less
The shifting fork type hydraulic steering engine adopts plunger type oil cylinders, and plunger rods are symmetrically arranged, so that the problem that an included angle is formed between a piston rod and a cylinder barrel due to the fact that the stroke of a swing cylinder type steering engine is large is solved, and the shifting fork type electric steering engine is suitable for large ships.
At present, the shifting fork type electric hydraulic steering engine is in a split type, generally comprises a hydraulic pump station, a steering device and a reserve oil tank, and adopts an open hydraulic system, so that the shifting fork type electric hydraulic steering engine occupies a larger area.
The composition of present shift fork formula electro-hydraulic steering wheel is shown in fig. 1, and every shift fork formula electro-hydraulic steering wheel has two sets of identical hydraulic power unit e, one set of helm pushing device c of compriseing the plunger type hydro-cylinder, one set of tiller a, connecting line d, one set of reserve oil tank h, main original components such as manual oil supply pump g constitute its relation of connection as follows: the hydraulic pump station is connected with the rudder pushing device c through a connecting pipeline, the rudder stock a is connected with the rudder stock b, the reserve oil tank is connected with the manual oil supplementing pump through the ball valve l, the manual oil supplementing pump g is connected with the hydraulic pump station e through a connecting pipe k, and the ball valve f and the ball valve g are mounted on the connecting pipe k.
As can be seen from figure 1, the hydraulic pump station of the steering engine and the steering pushing device are installed in a split mode and are connected in the field through the connecting pipeline, so that secondary pollution of the whole hydraulic system is caused, and the occupied cabin area is larger.
Disclosure of Invention
The utility model aims at inventing one set of integrated form pump accuse closed shift fork electro-hydraulic steering wheel, be in the same place all parts integration of one set of steering wheel to adopt closed hydraulic system, reduced the area of steering wheel, reduce the installation accuracy of shipyard, provide hydraulic system's efficiency.
According to the utility model provides a technical scheme: the integrated pump control closed shifting fork electro-hydraulic steering engine comprises two sets of hydraulic pump stations, wherein the hydraulic pump stations are fixedly connected with a steering device, and the steering device is connected with a steering engine base.
As a further improvement of the utility model, the rudder pushing device comprises a rudder stock, and two sides of the upper end of the rudder stock are provided with rudder stock driving structures; the rudder stock driving structure drives the rudder stock to rotate through a rudder stock driving structure by a rudder stock driving piece.
As the utility model discloses a further improvement, the rudderstock driving piece includes the plunger type hydro-cylinder, the plunger type hydro-cylinder includes plunger type hydro-cylinder, it sets up the plunger rod to slide in the stopper type hydro-cylinder.
As a further improvement of the utility model, the rudderstock transmission structure includes drive pin and tiller, the drive pin install in on the plunger rod, the tiller install in the tiller side, the drive pin is located in the drive groove of tiller.
As a further improvement, the transmission pin is externally provided with a wear-resistant sleeve in a rotating way.
As a further improvement of the utility model, the outer side of the wear-resistant sleeve is an arc surface, and the inner wall of the transmission groove is an arc concave surface.
As a further improvement of the utility model, one side of the plunger type oil cylinder is provided with a displacement display structure; the displacement display structure comprises an angle scale plate and a rudder angle pointer, the angle scale plate is mounted on the cylinder barrel of the plunger type oil cylinder, and the rudder angle pointer is mounted on the plunger rod.
As a further improvement, the plunger type hydro-cylinder erection joint board, the both ends of connecting plate are the electric limit switch of fixed mounting respectively.
As a further improvement of the utility model, hydraulic power unit includes motor and variable plunger pump, motor and motor base fixed connection, motor base and hydraulic power unit base are connected, and the valve plate is installed on hydraulic power unit base, and oil tank fixed mounting is in on the hydraulic power unit base, inhale the oil pipe and be connected the oil tank with variable plunger pump, oil pipe is connected the valve plate with variable plunger pump, and cooler fixed mounting is in on the hydraulic power unit base, cable junction box fixed mounting is in on the hydraulic power unit base, hydraulic power unit and rudder pushing device link into an integrated entity.
The positive progress effect of this application lies in:
1. the utility model discloses to push away rudder device and hydraulic power unit and merge into an organic whole, reduced the area of shift fork electro-hydraulic steering wheel, adopt the mounting means of epoxy casting or steel gasket, reduced the construction degree of difficulty of shipyard installation steering wheel, shorten equipment fixing's time.
2. The utility model discloses all connecting tube among the hydraulic system are all connected before dispatching from the factory and are finished, have avoided the welding of shipyard, avoid because the secondary pollution that the welding of pipeline caused, have improved whole hydraulic system's security performance.
3. The utility model discloses the hydraulic oil of steering wheel is getting back to variable plunger pump from an export of variable plunger pump through valve member and actuating mechanism to form the hydraulic system of a closed, improved entire system's efficiency.
4. The utility model discloses increased the flushometer among the hydraulic system, can have oil return tank with a small amount of hydraulic pressure in the main oil circuit through the valve member, take away the heat of system, hydraulic system's life delays.
5. The utility model discloses hydraulic system has adopted large-traffic two-way cartridge valve component to constitute the relief valve, has guaranteed when the load increases suddenly and surpasss the design value, can large-traffic overflow, has avoided the damage of spare part in the equipment, has guaranteed hydraulic system's normal use.
6. The utility model discloses the steering wheel sets up two sets of the same hydraulic system, and each other is for reserve. The isolation valves are arranged in the system, when a certain system breaks down, the system which breaks down is isolated by controlling the isolation valves, and the other system is started at the same time, so that the safety performance of the steering engine is improved.
Drawings
FIG. 1 is a layout diagram of a prior art fork-type electro-hydraulic steering engine.
FIG. 2 is a layout diagram of an integrated pump-controlled closed-type shifting fork electro-hydraulic steering engine.
Fig. 3 shows an integrated pump-controlled closed-type shifting fork electro-hydraulic steering engine steering device.
Fig. 4 is an integrated pump-controlled closed shifting fork electric hydraulic steering engine hydraulic pump station.
Fig. 5 an integrated pump controlled closed fork electro-hydraulic steering engine mount.
FIG. 6 is an enlarged view of an integrated pump-controlled closed shifting fork electro-hydraulic steering engine valve plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover such processes, methods, systems, articles, or apparatus that comprise a list of steps or elements, are not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such processes, methods, articles, or apparatus.
In fig. 2-6, the steering engine comprises a hydraulic pump station 1, a steering gear pushing device 2, a steering engine base 3, a rudder stock 8, a plunger type oil cylinder 9, a transmission pin 34 and the like.
As shown in fig. 2, the utility model relates to an integrated form pump accuse closed shift fork electro-hydraulic steering wheel, including two sets of hydraulic power unit 1, two sets of hydraulic power unit 1 are connected with steering gear 2 fixed connection through connecting bolt, and steering gear 2 is connected with steering gear base 3 through connecting bolt 4, forms one set of complete integrated form pump accuse closed shift fork electro-hydraulic steering wheel.
As shown in fig. 3, each set of rudder propelling device 2 comprises a rudder stock 8, the rudder stock 8 is vertically arranged in the ship body in a rotating manner, the lower end of the rudder stock 8 is connected with a rotating blade, and rudder stock driving structures are arranged on two sides of the upper end of the rudder stock 8.
The rudder stock driving structure drives the rudder stock 8 to rotate through the rudder stock driving structure by the rudder stock driving piece.
The rudder stock driving part comprises a plurality of plunger type oil cylinders, in order to enhance power, the plunger type oil cylinders are linearly arranged and comprise plunger type oil cylinder barrels 9, plunger rods 5 are arranged in the plunger type oil cylinder barrels 9 in a sliding mode, and pipe joints 11 are arranged on the side faces of the plunger type oil cylinder barrels 9.
The tiller transmission comprises a transmission pin 34 and a tiller 6. The drive pin 34 is mounted on the plunger rod 5 and the tiller 6 is mounted on the side of the tiller 8. The drive pin 34 is located in the drive slot of the tiller 6. The arc-shaped slide block 15 can slide in the wear-resistant sleeve 17, and the wear-resistant sleeve 17 is arranged on the tiller 6 through a screw 18. In order to reduce the friction of the driving pin 34 in the driving groove, a wear sleeve 17 is rotatably mounted outside the driving pin 34.
The outer side of the wear-resistant sleeve 17 is an arc surface, and correspondingly, the inner wall of the transmission groove is also processed into a matched arc concave surface. This increases the contact area and prolongs the service life.
In order to monitor the rotation angle of the rudder stock 8, a displacement display structure is arranged on one side of the plunger type oil cylinder.
The displacement display structure comprises an angle scale plate 14 and a rudder angle pointer 16, and the sliding amount of the rudder angle pointer 16 is embodied and visualized through the angle scale plate 14.
An angle scale plate 14 is arranged on the plunger type oil cylinder barrel 9, and a rudder angle pointer 16 is arranged on the plunger rod 5.
The plunger type oil cylinder barrel 9 is provided with a connecting plate 13 through a connecting bolt 12, and an angle scale plate 14 is arranged on the connecting plate 13.
The piston type oil cylinder drives the plunger rod 5 to move linearly, the driving pin 34 drives the rudder stock 8 to rotate while moving in the driving groove of the rudder handle 6, and the rudder stock 8 drives the rotating blade at the lower end to rotate, so that the navigation direction of the ship body is changed.
The angle indicator 16 moves on the angle scale plate 14, and the angle scale plate 14 converts the displacement of the angle indicator 16 into an angle value.
In order to limit the rotation range of the rudder stock 8, electrical limit switches 19 are fixedly mounted at both ends of the connecting plate 13, respectively.
In order to facilitate the monitoring of the ram cylinder pressure, a pressure gauge 10 is mounted above the ram cylinder barrel 9.
The tiller 6 is connected with a tiller 8 by means of a hydraulic nut 7.
As shown in fig. 4-6, each set of hydraulic pump station 1 is mainly composed of the following parts: the motor 25 and the variable plunger pump 22 are connected into a whole through a bell-shaped cover 36, the motor 25 is fixedly connected with a motor base 29 through a connecting bolt 35, the motor base 29 is connected with a hydraulic pump station base 27 through a welding mode, the valve plate 24 is installed on the hydraulic pump station base 27, the oil tank 20 is fixedly installed on the hydraulic pump station base 27, the oil suction pipe 21 connects the oil tank 20 with the variable plunger pump 22, and the oil pipe 23 connects the valve plate 24 with the variable plunger pump 22. The cooler 26 is fixedly arranged on a hydraulic pump station base 27, the cable junction box 28 is fixedly arranged on the hydraulic pump station base 27, and the hydraulic pump station 1 and the rudder pushing device 2 are connected into a whole through a connecting bolt 30.
Each set of valve plates 24 is provided with an isolation valve 42, a two-phase balance valve 40, a safety valve 41 and a low-pressure alarm device 39. The flushing valve 37 is connected to the valve plate 27 by a connecting pipe 38.
The utility model discloses integrated form pump accuse closed shift fork electro-hydraulic steering wheel patent is on the basis of present shift fork steering wheel, by open hydraulic system redesign to whole set of hydraulic system, forms loss of pressure less, the higher closed hydraulic system of efficiency. A more reliable safety valve and a two-phase balance valve are designed in the whole set of hydraulic system, so that damage to hydraulic components of the system when load is suddenly increased and negative torque is generated is avoided. The flushing valve is additionally arranged in the hydraulic system, so that the temperature in the hydraulic system is reduced, and the service life of hydraulic components is prolonged.
The integrated pump-controlled closed shifting fork electro-hydraulic steering engine of the utility model is further characterized in that the variable plunger pump is integrated with the motor through a bell-shaped cover and is fixedly connected on the base of the hydraulic pump station through bolts.
The integrated pump-controlled closed shifting fork electro-hydraulic steering engine of the utility model is further characterized in that the valve plate of the hydraulic system is connected to the base of the hydraulic pump station through a bolt.
The integrated pump-controlled closed shifting fork electro-hydraulic steering engine of the utility model is further characterized in that a cooler for a hydraulic system is fixedly connected to a base of a hydraulic pump station through bolt connection.
The utility model discloses pump accuse closed shift fork electro-hydraulic steering wheel of integrated form further characteristics are oil tank for hydraulic system, and oil tank base is with oil tank and oil tank base fixed connection on hydraulic power unit base.
The utility model discloses pump accuse closed shift fork electro-hydraulic steering wheel of integrated form further characteristics are that the cable junction box for the hydraulic pump station passes through bolted connection to be fixed on hydraulic power unit base.
The integrated pump-controlled closed shifting fork electro-hydraulic steering engine of the utility model is further characterized in that the flushing valve component for the hydraulic system is fixed on the base of the hydraulic pump station through bolt connection.
The utility model discloses pump accuse closed shift fork electro-hydraulic steering wheel of integrated form further characteristics are that four plunger type hydro-cylinder cylinders pass through bolted connection to be fixed to the steering wheel base on. The two pin shafts are fixed on the plunger rod in an interference connection mode, the tiller and the tiller are fixedly connected together in a taper hydraulic connection mode, and the tiller are fastened by a hydraulic nut. The connecting plate connects the two plunger type oil cylinder barrels together through bolt connection. And a pressure gauge switch are arranged on each plunger type cylinder barrel. And a connecting pipe joint is arranged on each cylinder barrel of the plunger type oil cylinder, and the parts form a steering device of the shifting fork steering engine.
The utility model discloses the further characteristics of pump accuse closed shift fork electro-hydraulic steering wheel of integrated form are: the round pin epaxial fixed mounting has circular arc type slider, and tiller fork mouth internally mounted has circular arc nature adjusting shim plate, and circular arc type slider slides in circular arc type adjusting shim plate, because the existence of circular arc, has avoided the plunger rod to remove the rotation that takes place circumferencial direction often, has avoided making the round pin axle break away from the steering wheel fork mouth because the rotation of plunger rod, leads to the steering wheel inefficacy, has improved the security of steering wheel.
The utility model discloses a pump accuse closed shift fork electro-hydraulic steering wheel of integrated form further characteristics are that the helm pushing device adopts epoxy resin pouring or adopts the steel gasket to fill the clearance between the two between plunger type hydro-cylinder and the steering wheel base after the location size regulation such as on-the-spot height, level finishes, avoids the on-the-spot processing plane of shipyard, reduces the installation required precision of shipyard, shortens the time of equipment fixing.
The utility model discloses pump accuse closed shift fork electro-hydraulic steering wheel of integrated form further characteristics are that the thrust piece passes through the welded mode to be fixed on the steering wheel base, forms the restraint to plunger formula hydro-cylinder.
The utility model discloses the further characteristics of pump accuse closed shift fork electro-hydraulic steering wheel of integrated form are:
the controller is connected with the variable pump electromagnetic valve, and controls the current of the variable pump electromagnetic valve coil through the controller, controls the flow of the variable pump, and further controls the steering time of the steering engine.
The utility model discloses the further characteristics of pump accuse closed shift fork electro-hydraulic steering wheel of integrated form are:
high-pressure hydraulic oil passes through a valve element of a system from an oil outlet A of the variable plunger pump to perform plunger oil cylinder, and hydraulic oil of the other plunger oil cylinder returns to the other oil port B of the variable plunger pump through the valve element of the hydraulic system, namely the hydraulic oil is discharged from the oil port A of the variable plunger pump and finally returns to the oil port B of the variable plunger pump to form a loop, and the steering engine rotates forwards. And controlling the electrode direction conversion of the solenoid valve coil of the variable plunger pump through the controller, so that the high-pressure hydraulic oil is discharged from the outlet B of the variable plunger pump and returns to the variable plunger pump from the oil port A of the variable plunger pump. The hydraulic oil of the main oil way of the whole system forms a closed loop, and the efficiency of the whole hydraulic system is improved.
The utility model discloses the further characteristics of pump accuse closed shift fork electro-hydraulic steering wheel of integrated form are:
the flushing valve is additionally arranged in the hydraulic system, and according to the pressure set by the flushing valve, a small amount of hydraulic oil of the main oil way passes through the flushing valve, the cooler returns to the oil tank, the heat in the hydraulic system is taken away, and the whole hydraulic system is cooled. The hydraulic oil overflowing from the flushing control oil circuit is compensated by an oil supplementing pump in the system.
The utility model discloses integrated form pump accuse closed shift fork electro-hydraulic steering wheel further characteristics are that hydraulic system installs the diphase balanced valve, have improved whole hydraulic system's stability and prevent effectively that when the load increases suddenly, the phenomenon appears "surpassing", can have effectively the negative torque phenomenon of system.
The integrated pump-controlled closed shifting fork electro-hydraulic steering engine is further characterized in that a two-phase two-way cartridge overflow valve is arranged in the hydraulic system to form a safety valve. When the load is suddenly increased, the hydraulic system can overflow effectively to protect the whole hydraulic system.
The utility model discloses pump accuse closed shift fork electro-hydraulic steering wheel of integrated form further characteristics are in order to improve the reliability of shift fork formula hydraulic steering wheel, the system of hydraulic steering wheel has adopted two sets of the same hydraulic system, and two sets are each other for reserve. When one set of hydraulic system fails, the failed hydraulic system is immediately isolated, and the other set of hydraulic system is started, so that the reliability of the whole set of hydraulic system is improved. The isolating valves are installed in each set of hydraulic system, when a certain hydraulic system breaks down, the isolating valves are disconnected, the system which breaks down is isolated by matching with a manual ball valve in the hydraulic system, and meanwhile, the other set of system in the hydraulic system is started at once, so that the normal work of the shifting fork steering engine is ensured.
The utility model discloses the further characteristics of pump accuse closed shift fork electro-hydraulic steering wheel of integrated form are: the hydraulic system is provided with sensors for high oil temperature, low liquid level and low control oil pressure, and when the system fails, the system gives an alarm, so that the safety of the system is improved.
The utility model adopts the above technical scheme, will push away rudder device and hydraulic power unit and merge into an organic whole, reduced the area of the electronic hydraulic steering wheel of shift fork, finish all connecting tube processing, installation before the product dispatches from the factory simultaneously, avoided the secondary pollution of a whole set of hydraulic system at the shipyard, improved the reliability of system. The whole set of hydraulic system adopts a closed loop, so that the oil return of the actuating mechanism is directly carried out on the variable plunger pump, and the efficiency of the system is improved.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (9)
1. The utility model provides an integrated form pump accuse closed shift fork electro-hydraulic steering wheel, its characterized in that, the steering wheel includes two sets of hydraulic power unit (1), two sets of hydraulic power unit (1) and helm steering device (2) fixed connection, helm steering device (2) are connected with steering wheel base (3).
2. The integrated pump-controlled closed shifting fork electro-hydraulic steering engine according to claim 1, wherein the steering device (2) comprises a rudder stock (8), and rudder stock driving structures are arranged on two sides of the upper end of the rudder stock (8); the rudder stock driving structure drives the rudder stock (8) to rotate through a rudder stock driving structure by a rudder stock driving piece.
3. The integrated pump-controlled closed fork electro-hydraulic steering engine according to claim 2, wherein the tiller drive comprises a ram cylinder, the ram cylinder comprises a ram cylinder barrel (9), and a plunger rod (5) is slidably disposed in the ram cylinder barrel (9).
4. An integrated pump controlled closed shift fork electro-hydraulic steering engine according to claim 3, characterized in that the tiller transmission structure comprises a transmission pin (34) and a tiller (6), the transmission pin (34) is mounted on the plunger rod (5), the tiller (6) is mounted on the side of the tiller (8), and the transmission pin (34) is located in a transmission groove of the tiller (6).
5. The integrated pump controlled closed fork electro-hydraulic steering engine according to claim 4, wherein the wear sleeve (17) is rotatably mounted on the outside of the driving pin (34).
6. The integrated pump-controlled closed shifting fork electro-hydraulic steering engine according to claim 5, wherein the outer side of the wear-resistant sleeve (17) is an arc surface, and the inner wall of the transmission groove is an arc concave surface.
7. The integrated pump-controlled closed shifting fork electro-hydraulic steering engine according to claim 3, wherein a displacement display structure is arranged on one side of the plunger type oil cylinder; the displacement display structure comprises an angle scale plate (14) and a rudder angle pointer (16), the plunger type oil cylinder barrel (9) is provided with the angle scale plate (14), and the plunger rod (5) is provided with the rudder angle pointer (16).
8. The integrated pump-controlled closed shifting fork electro-hydraulic steering engine according to claim 7, wherein a connecting plate (13) is mounted on the cylinder barrel (9) of the plunger type oil cylinder, and electrical limit switches (19) are respectively and fixedly mounted at two ends of the connecting plate (13).
9. The integrated pump controlled closed fork electro-hydraulic steering engine of claim 1, the hydraulic pump station (1) comprises a motor (25) and a variable plunger pump (22), motor (25) and motor base (29) fixed connection, motor base (29) are connected with hydraulic power unit base (27), and valve plate (24) are installed on hydraulic power unit base (27), and oil tank (20) fixed mounting is in on hydraulic power unit base (27), inhale oil pipe (21) and be connected oil tank (20) and variable plunger pump (22), and oil pipe (23) are connected valve plate (24) and variable plunger pump (22), and cooler (26) fixed mounting is in on hydraulic power unit base (27), cable junction box (28) fixed mounting is in on hydraulic power unit base (27), hydraulic power unit (1) and helm device (2) link into an integrated entity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023350449.0U CN214698618U (en) | 2020-12-31 | 2020-12-31 | Integrated pump-controlled closed shifting fork electro-hydraulic steering engine |
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| CN202023350449.0U CN214698618U (en) | 2020-12-31 | 2020-12-31 | Integrated pump-controlled closed shifting fork electro-hydraulic steering engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024047987A1 (en) * | 2022-08-31 | 2024-03-07 | 川崎重工業株式会社 | Ship steering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024047987A1 (en) * | 2022-08-31 | 2024-03-07 | 川崎重工業株式会社 | Ship steering device |
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