CN108778925A - Hydraulic steering gear and ship - Google Patents
Hydraulic steering gear and ship Download PDFInfo
- Publication number
- CN108778925A CN108778925A CN201780011897.XA CN201780011897A CN108778925A CN 108778925 A CN108778925 A CN 108778925A CN 201780011897 A CN201780011897 A CN 201780011897A CN 108778925 A CN108778925 A CN 108778925A
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- China
- Prior art keywords
- hydraulic
- circuit
- safety valve
- steering gear
- bleed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/08—Steering gear
- B63H25/14—Steering gear power assisted; power driven, i.e. using steering engine
- B63H25/26—Steering engines
- B63H25/28—Steering engines of fluid type
- B63H25/30—Steering engines of fluid type hydraulic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/024—Pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Hydraulic steering gear includes：Plunger (8,9), tiller (4) are rotatably installed on the plunger, and rudderpost (2) is fixed in the tiller axis；A pair of hydraulic cylinders (10,10), the pair of hydraulic cylinder is arranged as opposed to；Bleed off circuit (28,29), the bleed off circuit are configured to the pressure based on the working oil in a pair of hydraulic cylinders and will be connected between the operating room of a pair of hydraulic cylinders (12,12).
Description
Technical field
The present invention relates to a kind of hydraulic steering gear and ships.
Background technology
In the past, as the steering gear for making the rudder of ship act, it is known to which La Pusen (Rapson) slidingtype is such
Hydraulic steering gear.In hydraulic steering gear, the larger rotary force of rudderpost for being linked to rudder plate can be given, but in floating ice
Or barrier as floating log will produce larger surge when being contacted with rudder plate and rudder plate being made to be impacted sometimes in hydraulic system
Pressure, and lead to the damage of peripheral equipment.
In this hydraulic steering gear, in the past, in order to cope with such surge pressure, returned using the hydraulic pressure comprising safety valve
Road, the safety valve work in the case where hydraulic pressure reaches specified value or specified value or more.For example, Patent Document 1 discloses
By in such hydraulic circuit be arranged the energy absorbing device as accumulator, can more effectively absorb rudder plate by
The surge pressure generated when to impact force.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Application 60-182397 bulletins
Problems to be solved by the invention
In recent years, it for the ice breaker etc. used in the developing of polar route, is promoting for preventing from being equipped on ship
The formulation of the various standards, system of the damage of various equipment.For example, in the case of above-mentioned hydraulic steering gear, need to pass through
Divide two-stage that safety valve is set in hydraulic circuit, and safety valve reply in the second level is made to be equivalent to turning for up to 40deg/sec
The flow of rudder speed, the larger surge pressure that when barrier impacts rudder plate to cope with ice cube, floating log etc. generates.However, previous
Steering gear in the pipeline, the safety valve that use be only capable of the flow that reply is equivalent to the speed of coming about of 6deg/sec or so at present.
In order to cope with such requirement, for example, having studied the safety valve that additional setting is new in hydraulic circuit, or make each
Hydraulic pipeline major diameter, but both of which needs to carry out significantly design alteration to existing device, and will cause to be produced into
This increase, the enlargement of plant bulk.In above patent document 1, due to needing to being used to working oil being supplied to hydraulic pressure
The hydraulic circuit of the cylinder of steering gear newly sets energy absorbing device, so how many be also required to be designed change to hydraulic circuit
More.
Invention content
At least one embodiment of the present invention is made in view of the above problems, a kind of present invention aims at providing
Hydraulic steering gear and ship, the hydraulic steering gear and ship can control the hydraulic pressure for working oil to be supplied to hydraulic cylinder
The design alteration in circuit, and cope with larger surge pressure.
Means for solving the problems
(1) hydraulic steering gear of at least one embodiment according to the present invention to solve the above-mentioned problems, including：Column
Plug, tiller are rotatably installed on the plunger, rudderpost are fixed in the tiller axis；A pair of hydraulic cylinders, the both ends point of the plunger
Not Qian Ru a pair of hydraulic cylinders, and a pair of hydraulic cylinders is arranged as opposed to；Bleed off circuit, the bleed off circuit are configured to base
The pressure of working oil in the pair of hydraulic cylinder and will between the operating room of the pair of hydraulic cylinder connection get up.
According to the structure of above-mentioned (1), including be configured to the pressure based on working oil and by the work of a pair of hydraulic cylinders
The bleed off circuit being connected between room.Cause to generate asthma in working oil in the shock etc. due to such as barrier etc. as a result,
It when pressure of shaking, is connected to via bleed off circuit between operating room, to which working oil is from the high-pressure side in a pair of hydraulic cylinders towards low-pressure side
Flowing, and then mitigate (absorption) surge pressure.By having such bleed off circuit, can will be used to working oil being supplied to liquid
The design alteration of the hydraulic circuit of cylinder pressure inhibits less, and copes with larger surge pressure.
(2) in several embodiments, in the structure of above-mentioned (1), the bleed off circuit includes：Communication path, the company
Path is formed between the operating room of the pair of hydraulic cylinder；First safety valve, first safety valve are set to the connection
On path, and it is configured to the pressure based on the working oil for flowing through the communication path and works.
According to the structure of above-mentioned (2), such a hydraulic steering gear can be realized：Will be connected between operating room
Simple structure as setting safety valve on the communication path come, it will be able to be effectively prevented the equipment damage caused by surge pressure
It is bad.
(3) in several embodiments, in the structure of above-mentioned (2), the communication path is formed in the interior of the plunger
Portion.
According to the structure of above-mentioned (3), by the way that the communication path for constituting bleed off circuit to be formed in the inside of plunger, and for example
It compares in external the case where forming bleed off circuit using piping etc. of plunger, can realize that above-mentioned hydraulic pressure is grasped with compact structure
Rudder arrangement.In addition, relative to the previous device without bleed off circuit, this structure can pass through having centered on plunger
The design alteration of the inscape of limit and realize, so advantageously reducing production cost.
(4) in several embodiments, in the structure of above-mentioned (3), first safety valve is mounted to be exposed to described
The outside of plunger.
According to the structure of above-mentioned (4), the first safety is due to being movable part in the inscape of bleed off circuit, so can
Expect that the frequency safeguarded is higher, but the first safety valve is mounted to be exposed to the outside of plunger.As a result, in putting maintenance into practice, operation
Member can have easy access to the first safety valve, and can successfully implement the maintenance operation replaced, repaired etc..
(5) in several embodiments, further include hydraulic circuit in the structure of above-mentioned (2), which is used for will
The working oil is supplied to the pair of hydraulic cylinder, and the communication path is configured to bigger than the diameter of the hydraulic circuit.
According to the structure of above-mentioned (5), by the way that the communication path for constituting bleed off circuit to be configured to the diameter than hydraulic circuit
Greatly, to which when bleed off circuit is connected to, the work flowed based on the pressure difference between work can be increased between operating room
Make the flow of oil, and then can realize the hydraulic steering gear for the surge pressure that can cope with bigger.It is connected to conversely speaking, by increasing
Specification of the diameter in path without changing the hydraulic circuit for working oil to be supplied to hydraulic cylinder, copes with larger surge
Pressure.In this case, the complexity of avoiding device entirety is capable of to cope with larger surge pressure by the diameter of increase hydraulic circuit
Change and enlargement, and then can realize the present apparatus with compact and small-sized structure.
(6) in several embodiments, in the structure of above-mentioned (5), the hydraulic circuit includes the second safety valve, described
Second safety valve is configured to the pressure based on the working oil for flowing through the hydraulic circuit and works, and first safety valve is constituted
To be worked with the pressure higher than second safety valve.
According to the structure of above-mentioned (6), the first safety valve included in bleed off circuit is included in being higher than in hydraulic circuit
The second safety valve pressure duty.Therefore, for smaller surge pressure, the first safety valve does not work (that is, will not pass through bypass
Oil circuit and will be connected between the operating room of hydraulic cylinder), and only answered by the work of the second safety valve in hydraulic circuit
It is right.On the other hand, it for higher surge pressure, is both worked by the second safety valve and the first safety valve to be coped with.
So, it is worked in the range of needs according to the size of surge pressure due to the first safety valve, so can be by the first safety
The work times of valve inhibit less, without unnecessarily increasing work times.Thus, it is suppressed that the consumption of bleed off circuit,
And then it can realize the steering gear for being suitable for long-life design.
(7) in several embodiments, in the structure of above-mentioned (1), the pair of hydraulic cylinder is respectively arranged at the rudder
The front-rear direction of axis, the bleed off circuit are provided independently from.
According to the structure of above-mentioned (7), a pair of hydraulic cylinders equipped with bleed off circuit is respectively arranged on rudderpost between operating room
Front-rear direction.Since each bleed off circuit is arranged independently of one another, even if can if breaking down in side's bleed off circuit
The bleed off circuit by another party is reached to reach above-mentioned function, therefore can realize the hydraulic pressure behaviour with more excellent reliability
Rudder arrangement.
(8) ship of at least one embodiment of the invention to solve the above-mentioned problems, includes the liquid of above structure (1)
Press steering gear.
The effect of invention
At least one embodiment according to the present invention, is capable of providing such a hydraulic steering gear and ship：It can
The design alteration of hydraulic circuit for working oil to be supplied to hydraulic cylinder is inhibited less, and copes with larger asthma
It shakes pressure.
Description of the drawings
Fig. 1 is the overall structure figure of the hydraulic steering gear of at least one embodiment of the present invention.
Fig. 2 is the hydraulic circuit diagram of the hydraulic steering gear of Fig. 1.
Fig. 3 is the sectional view of the configuration example near the plunger for the hydraulic steering gear for indicating second embodiment.
Fig. 4 is the variation of Fig. 3.
Specific implementation mode
Hereinafter, refer to the attached drawing illustrates several embodiments of the invention.But as recorded in embodiment
Or attached drawing represented by the size of component parts, material and shape and its relative configuration etc. be not intended to the present invention's
Range is defined in this, and is merely illustrative example.
For example, indicating " on some direction ", " along some direction ", " parallel ", " orthogonal ", "center", " concentric "
Or opposite or absolute configuration the expression of " coaxial " etc., it strictly speaking not only indicates above-mentioned such configuration, it is public to be also represented by band
Difference or the state that displacement is relatively generated with angle, distance that can obtain roughly the same effect etc..
In addition, for example, indicating that the expression of the shape of square, cylinder etc. not only indicates geometric stricti jurise
On the shape of square and cylinder etc. be also represented by comprising jog, chamfered section in the range of can obtain identical effect
Deng shape.
On the other hand, the expression of " comprising ", " having ", " having ", "comprising" or " containing " a certain inscape is not
Exclude the existing exclusive expression of other inscapes.
Fig. 1 is the overall structure figure of the hydraulic steering gear 1 of at least one embodiment of the present invention, and Fig. 2 is the liquid of Fig. 1
Press the hydraulic circuit diagram of steering gear 1.
Hydraulic steering gear 1 is the La Pusen driven to rudder via the rudderpost 2 of the connection (not shown) of the rudder with ship
(Rapson) steering gear of slidingtype.The tiller (rudder stock) 4 of rudderpost 2 is provided with via the column set on the front and rear sides of rudderpost 2
Plug pin 6,7 and be rotatably installed on plunger 8,9 respectively.The both ends of plunger 8 are embedded in be arranged as opposed on left and right rudder direction
A pair of hydraulic cylinders 10a, 10b, the both ends of plunger 9 be embedded on left and right rudder direction relatively configured a pair of hydraulic cylinders 10c,
10d。
As shown in Fig. 2, hydraulic cylinder 10a, 10b have by plunger 8 top and cylinder inner wall limit operating room 12a,
12b.Operating room 12a, 12b are connected with pump unit 16 via hydraulic circuit 14a, 14b.Pump unit 16 includes can be with out of ship
The motor 18 that the electric power of supply is driven and the hydraulic pump 20 linked with motor 18.In hydraulic circuit 14a, 14b,
Between pump unit 16 and hydraulic cylinder 10a, 10b, equipped with the valve cell 22 to play a role as direction switch valve, valve cell 22 is used
In the working oil supplied from pump unit 16 is assigned to hydraulic circuit 14a, 14b.
Valve cell 22 is configured to include safety valve 24, safety valve 24 by the valve cell 22 and set on hydraulic circuit 14a and
Between hydraulic circuit 14b.Safety valve 24 is configured to the pressure based on the working oil for flowing through hydraulic circuit 14a, 14b and works.?
Especially it is configured in present embodiment, the pressure difference between hydraulic circuit 14a and hydraulic circuit 14b is more than preset rule
It works in the case of definite value P1, to by being opened from the high-pressure side in hydraulic circuit 14a and hydraulic circuit 14b towards low-pressure side
Working oil, to inhibit working oil pressure rising.
Hydraulic cylinder 10c, 10d have operating room 12c, 12d as defined in the top of plunger 9 and cylinder inner wall.Operating room
12c, 12d are connected with pump unit 17 via hydraulic circuit 14c, 14d.Pump unit 17 includes that can use the electric power supplied out of ship
The motor 19 driven and the hydraulic pump 21 linked with motor 19.In hydraulic circuit 14c, 14d, 17 and of pump unit
Between hydraulic cylinder 10c, 10d, equipped with the valve cell 23 to play a role as direction switch valve, valve cell 23 is used for will be single from pump
The working oil of 17 supply of member is assigned to hydraulic circuit 14c, 14d.
Valve cell 23 is configured to include safety valve 25, safety valve 25 by the valve cell 23 and set on hydraulic circuit 14a and
Between hydraulic circuit 14b.Safety valve 25 is configured to the pressure based on the working oil for flowing through hydraulic circuit 14c, 14d and works.?
Especially it is configured in present embodiment, the pressure difference between hydraulic circuit 14c and hydraulic circuit 14d is more than preset rule
It works in the case of definite value P1, to by being opened from the high-pressure side in hydraulic circuit 14c and hydraulic circuit 14d towards low-pressure side
Working oil, to inhibit working oil pressure rising.
In addition, valve cell 22,23 includes bypass line 26 and the company between connection hydraulic circuit 14a and hydraulic circuit 14d
Tie the bypass line 27 between hydraulic circuit 14b and hydraulic circuit 14c.Working oil from pump unit 16,17 be configured to through
Each hydraulic cylinder 10 is capable of supply that by bypass line 26,27.For example, even if either one in only pump unit 16,17 acts
In the case of, working oil can also be supplied to each hydraulic cylinder 10 via bypass line 26,27.In addition, even if 16,17 liang of pump unit
Person works, and working oil is also capable of supply that each hydraulic cylinder 10.
It is equipped with bleed off circuit 28 in a pair of hydraulic cylinders 10a, 10b corresponding with plunger 8, which is configured to
Pressure based on the working oil in a pair of hydraulic cylinders 10a, 10b and will between operating room 12a and operating room 12b connection get up.
Especially it is configured in the present embodiment, bleed off circuit 28 includes the connection that will be connected between operating room 12a and operating room 12b
Path 30 and the safety valve 32 on communication path 30.Safety valve 32 is configured to, in the working oil by the safety valve 32
Pressure is more than to work in the case of preset specified value P2, thus from the high-pressure side court in operating room 12a and operating room 12b
To low-pressure side open working oil, to inhibit working oil pressure rising.
It is equipped with bleed off circuit 29 in a pair of hydraulic cylinders 10c, 10d corresponding with plunger 9, which is configured to
Pressure based on the working oil in a pair of hydraulic cylinders 10c, 10d and will between operating room 12c and operating room 12d connection get up.
Especially it is configured in the present embodiment, bleed off circuit 29 includes the connection that will be connected between operating room 12c and operating room 12d
Path 31 and the safety valve 33 on communication path 31.Safety valve 33 is configured to, in the working oil by the safety valve 33
Pressure is more than to work in the case of preset specified value P2, thus from the high-pressure side court in operating room 12c and operating room 12d
To low-pressure side open working oil, to inhibit working oil pressure rising.
Hydraulic steering gear 1 is caused by bleed off circuit as setting 28,29 in the shock etc. due to barrier etc.
It when generating larger surge pressure in working oil, is connected to via bleed off circuit 28,29 between operating room, to which working oil is from a pair of of liquid
High-pressure side in cylinder pressure is flowed towards low-pressure side, and then mitigates (absorption) surge pressure, effectively prevents the production because of surge pressure
Equipment damage caused by raw.
Mitigation mechanism of the hydraulic steering gear 1 as surge pressure, except this bleed off circuit 28,29, as described above, also
Include safety valve 24,25 in valve cell 22,23.Especially it is configured in the present embodiment, passes through the work to safety valve 24,25
The balance for making the working standard value P2 of a reference value P1 and safety valve 32,33 is adjusted, and makes safety valve 32,33 to be higher than safety
The pressure duty of valve 24,25 is (that is, be set as setting up P1<The relationship of P2).Therefore, for smaller surge pressure (P<P2), safety
Valve 32,33 does not work (that is, will not will be connected between the operating room 12 of hydraulic cylinder 10 by bleed off circuit 28,29), and only logical
The work of the safety valve 24,25 crossed in hydraulic circuit 14 mitigates surge pressure.On the other hand, for higher surge pressure (P2≤
P), except safety valve 24,25, safety valve 32,33 also works, to mitigate surge pressure.
It so, can since safety valve 32,33 works according to the size of surge pressure in the range of needs
The work times of safety valve 32,33 are inhibited less, without unnecessarily increasing work times.I.e. it is capable to answer
To only by the reluctant larger surge pressure in safety valve 24,25 of valve cell 22,23, and can make bleed off circuit 28,
29 work times will not unnecessarily increase.Thus, it is suppressed that the consumption of bleed off circuit 28,29, and can ensure for a long time
Excellent reliability.
In addition, constitute bleed off circuit 28,29 communication path 30,31 can also be configured to than hydraulic circuit 14a, 14b,
The diameter of 14c, 14d are big.By by constitute bleed off circuit 28,29 communication path 30,31 be configured to than hydraulic circuit 14a,
The diameter of 14b, 14c, 14d are big, between operating room 12 when bleed off circuit 28,29 are connected to, can increase based on work
Pressure difference between room 12 and the flow of working oil flowed, and then can realize the hydraulic steering dress for the surge pressure that can cope with bigger
Set 1.
The mitigation degree of the surge pressure obtained when bleed off circuit 28,29 works depends on constituting the company of bleed off circuit 28,29
The capacity of path 30,31 and safety valve 32,33.Accordingly it is also possible to according to the mitigation degree of example surge pressure as required come pair
It the length and diameter of communication path 30,31 and is adjusted with the capacity etc. of safety valve 32,33.Especially, such as above-mentioned
In the case of the diameter for adjusting communication path 30,31 like that, due to can the length of bleed off circuit 28,29 be inhibited shorter,
So being effective for the enlargement of the size of restraining device.
In addition, in the present embodiment, as described above, existing dress can be set to by the way that the addition of oil circuit 28,29 will be bypassed
It sets and realizes, so seldom can be achieved with to the change of the technique of the existing structure comprising hydraulic circuit 14.Therefore, in order to answer
The case where increasing larger surge pressure the diameter of hydraulic circuit 14, or adding new structure to hydraulic circuit 14 is compared, energy
The complication and enlargement of enough avoiding device entirety, and then can be realized with compact and small-sized structure.
In addition, two bleed off circuits 28,29 are arranged independently of one another in a manner of corresponding respectively to two plungers 8,9.
Therefore, even if how much if breaking down in side's bleed off circuit by the bleed off circuit of another party surge pressure can be mitigated,
So excellent reliability can be obtained.
In addition, in the present embodiment, list between the corresponding operating room of common plunger (operating room 12a,
Between between 12b or operating room 12c, 12d) be arranged independent bleed off circuit the case where example, but can also with each other
Between in the corresponding operating room of the different plungers, operating room of hydraulic cylinder adjacent in configuration (for example, operating room 12a and
Between between 12c or operating room 12b and 12d) the independent bleed off circuit of setting.
(second embodiment)
Next, by being illustrated to the hydraulic steering gear 1' of second embodiment with reference to figure 3 and Fig. 4.Fig. 3 is table
Show that the sectional view of the configuration example near the plunger 8,9 of the hydraulic steering gear of second embodiment, Fig. 4 are the variations of Fig. 3.
In addition, a pair structure corresponding with the above embodiment marks identical reference numeral, and suitably omits and repeat
Explanation.
In the above-described embodiment, the communication path 30,31 for constituting bleed off circuit 28,29 is configured to be piped, but in this reality
It applies in mode, is hollow shape in the Inner Constitution of plunger 8,9.Communication path 30,31 is formed as 12 direction of operating room from both sides
Center extends in plunger 8,9 along its length, and has the opening portion 35 being arranged towards outside in immediate vicinity.It constitutes other
The safety valve 32,33 of logical oil circuit 28,29 is configured at opening portion 35 in a manner of from outside closed peristome 35.
Bleed off circuit 28,29 with this structure is since its major part is accommodated in the inside of plunger 8,9, so with such as scheming
The case where being made of the piping for being centered around the outside of plunger 8,9 shown in 2 is compared, and compact-sizedization of device can be made.In addition, by
In in bleed off circuit 28,29, safety valve 32,33 is movable part, thus while being to need to be maintained the position of operation, but lead to
It crosses to be exposed to like this and externally configure, the person of being conveniently operated can be approached when carrying out maintenance operation.So, according to this reality
Mode is applied, can be realized with compact structure and with the hydraulic steering gear of excellent maintainability.
In addition, Fig. 4 is the variation of Fig. 3, can also be configured to by by communication path 30,31 and safety valve 32,33 all
It is configured at the inside of plunger 8,9, and the entirety of bleed off circuit 28,29 is all accommodated in the inside of plunger 8,9.In such case
Under, it is poor from the operability outside safety valve 32,33 compared with the embodiment of Fig. 3, but communication path 30,31 shapes can be made
As the simple shape extended on the length direction of plunger 8,9, in addition, with can be without the concern between tiller 4
Interference and the advantage in the layout that is designed etc..
As described above, according to the present embodiment, being capable of providing such a hydraulic steering gear and ship：It can will be used for
The design alteration that working oil is supplied to the hydraulic circuit of hydraulic cylinder inhibits less, and copes with larger surge pressure.
Industrial availability
The present invention can be used in hydraulic steering gear and ship.
Symbol description
1 hydraulic steering gear
2 rudderposts
4 tillers
6,7 plunger pin
8,9 plunger
10 hydraulic cylinders
12 operating rooms
14 hydraulic circuits
16,17 pump unit
18,19 motor
20,21 hydraulic pump
22,23 valve cell
24,25,32,33 safety valve
26,27 bypass line
28,29 bleed off circuit
30,31 communication path
35 opening portions
Claims (according to the 19th article of modification of treaty)
A kind of (1. after modification) hydraulic steering gear, which is characterized in that including：
Plunger, tiller are rotatably installed on the plunger, and rudderpost is fixed in the tiller axis；
The both ends of a pair of hydraulic cylinders, the plunger are respectively embedded into a pair of hydraulic cylinders, and a pair of hydraulic cylinders is arranged as opposed to；
Bleed off circuit, the bleed off circuit are configured to the pressure based on the working oil in the pair of hydraulic cylinder and by described one
Connection is got up between the operating room of hydraulic cylinder；
Hydraulic circuit, the hydraulic circuit are used to the working oil being supplied to the pair of hydraulic cylinder,
The bleed off circuit includes：
Communication path, the communication path are formed between the operating room of the pair of hydraulic cylinder；
First safety valve, first safety valve are set on the communication path, and are configured to based on flowing through the communication path
The pressure of the working oil and work,
The hydraulic circuit includes the second safety valve, and second safety valve is configured to based on the work for flowing through the hydraulic circuit
Make the pressure of oil and work,
First safety valve is configured to work with the pressure higher than second safety valve.
(2. deletion)
(3. after modification) hydraulic steering gear as described in claim 1, which is characterized in that
The communication path is formed in the inside of the plunger.
4. hydraulic steering gear as claimed in claim 3, which is characterized in that
First safety valve is mounted to be exposed to the outside of the plunger.
(5. after modification) hydraulic steering gear as described in claim 1, which is characterized in that
The communication path is configured to bigger than the diameter of the hydraulic circuit.
(6. deletion)
7. hydraulic steering gear as described in claim 1, which is characterized in that
The pair of hydraulic cylinder is respectively arranged at the front-rear direction of the rudderpost, and the bleed off circuit is provided independently from.
8. a kind of ship, which is characterized in that including hydraulic steering gear as described in claim 1.
Claims (8)
1. a kind of hydraulic steering gear, which is characterized in that including：
Plunger, tiller are rotatably installed on the plunger, and rudderpost is fixed in the tiller axis；
The both ends of a pair of hydraulic cylinders, the plunger are respectively embedded into a pair of hydraulic cylinders, and a pair of hydraulic cylinders is arranged as opposed to；
Bleed off circuit, the bleed off circuit are configured to the pressure based on the working oil in the pair of hydraulic cylinder and by described one
Connection is got up between the operating room of hydraulic cylinder.
2. hydraulic steering gear as described in claim 1, which is characterized in that
The bleed off circuit includes：
Communication path, the communication path are formed between the operating room of the pair of hydraulic cylinder；
First safety valve, first safety valve are set on the communication path, and are configured to based on flowing through the communication path
The pressure of the working oil and work.
3. hydraulic steering gear as claimed in claim 2, which is characterized in that
The communication path is formed in the inside of the plunger.
4. hydraulic steering gear as claimed in claim 3, which is characterized in that
First safety valve is mounted to be exposed to the outside of the plunger.
5. hydraulic steering gear as claimed in claim 2, which is characterized in that
Further include hydraulic circuit, which is used to the working oil being supplied to the pair of hydraulic cylinder,
The communication path is configured to bigger than the diameter of the hydraulic circuit.
6. hydraulic steering gear as claimed in claim 5, which is characterized in that
The hydraulic circuit includes the second safety valve, and second safety valve is configured to based on the work for flowing through the hydraulic circuit
Make the pressure of oil and work,
First safety valve is configured to work with the pressure higher than second safety valve.
7. hydraulic steering gear as described in claim 1, which is characterized in that
The pair of hydraulic cylinder is respectively arranged at the front-rear direction of the rudderpost, and the bleed off circuit is provided independently from.
8. a kind of ship, which is characterized in that including hydraulic steering gear as described in claim 1.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016030918A JP6660205B2 (en) | 2016-02-22 | 2016-02-22 | Hydraulic steering device and ship |
| JP2016-030918 | 2016-02-22 | ||
| PCT/JP2017/000433 WO2017145532A1 (en) | 2016-02-22 | 2017-01-10 | Hydraulic steering device, and ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108778925A true CN108778925A (en) | 2018-11-09 |
| CN108778925B CN108778925B (en) | 2020-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780011897.XA Active CN108778925B (en) | 2016-02-22 | 2017-01-10 | Hydraulic steering device and ship |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6660205B2 (en) |
| KR (1) | KR102041064B1 (en) |
| CN (1) | CN108778925B (en) |
| WO (1) | WO2017145532A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143271A (en) * | 2019-03-29 | 2019-08-20 | 武汉船用机械有限责任公司 | Pump control hydraulic steering engine |
| CN115523203A (en) * | 2022-09-14 | 2022-12-27 | 南京航海仪器二厂有限公司 | Rotary vane steering engine steering oil cylinder fault isolation valve bank and rotary vane steering engine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7423213B2 (en) | 2019-07-25 | 2024-01-29 | 株式会社 商船三井 | Marine steering gear |
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| JPS58133999A (en) * | 1982-02-01 | 1983-08-09 | Mitsubishi Heavy Ind Ltd | Single ram type hydraulic steering device |
| JPS6033718B2 (en) * | 1981-06-27 | 1985-08-05 | 石川島播磨重工業株式会社 | ship steering system |
| JPS63192695A (en) * | 1987-02-02 | 1988-08-10 | Mitsubishi Heavy Ind Ltd | Hydraulic drive circuit |
| CN102076557A (en) * | 2008-11-06 | 2011-05-25 | 三菱重工业株式会社 | Ship steering device |
| CN103140421A (en) * | 2010-12-27 | 2013-06-05 | 川崎重工业株式会社 | Ship steering gear and ship steering method |
| CN203372387U (en) * | 2013-07-19 | 2014-01-01 | 杨耕新 | Ship steering device |
| CN104619587A (en) * | 2012-10-18 | 2015-05-13 | 三菱重工业株式会社 | Steering gear and ship provided therewith |
| CN105247226A (en) * | 2014-02-13 | 2016-01-13 | 麦基嘉哈特拉帕两合公司 | Rudder driving system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60182397A (en) | 1984-02-28 | 1985-09-17 | Toshiba Corp | Anomaly detecting apparatus for motor driven blower |
| JPS62110100A (en) * | 1985-11-08 | 1987-05-21 | 住友電気工業株式会社 | Slide structure |
| JPS62110100U (en) * | 1985-12-28 | 1987-07-14 | ||
| KR101433835B1 (en) * | 2011-09-15 | 2014-08-26 | 훌루테크 주식회사 | The Steering Apparatus of a Vessel |
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2016
- 2016-02-22 JP JP2016030918A patent/JP6660205B2/en active Active
-
2017
- 2017-01-10 WO PCT/JP2017/000433 patent/WO2017145532A1/en active Application Filing
- 2017-01-10 KR KR1020187023419A patent/KR102041064B1/en active IP Right Grant
- 2017-01-10 CN CN201780011897.XA patent/CN108778925B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6033718B2 (en) * | 1981-06-27 | 1985-08-05 | 石川島播磨重工業株式会社 | ship steering system |
| JPS58133999A (en) * | 1982-02-01 | 1983-08-09 | Mitsubishi Heavy Ind Ltd | Single ram type hydraulic steering device |
| JPS63192695A (en) * | 1987-02-02 | 1988-08-10 | Mitsubishi Heavy Ind Ltd | Hydraulic drive circuit |
| CN102076557A (en) * | 2008-11-06 | 2011-05-25 | 三菱重工业株式会社 | Ship steering device |
| CN103140421A (en) * | 2010-12-27 | 2013-06-05 | 川崎重工业株式会社 | Ship steering gear and ship steering method |
| CN104619587A (en) * | 2012-10-18 | 2015-05-13 | 三菱重工业株式会社 | Steering gear and ship provided therewith |
| CN203372387U (en) * | 2013-07-19 | 2014-01-01 | 杨耕新 | Ship steering device |
| CN105247226A (en) * | 2014-02-13 | 2016-01-13 | 麦基嘉哈特拉帕两合公司 | Rudder driving system and method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143271A (en) * | 2019-03-29 | 2019-08-20 | 武汉船用机械有限责任公司 | Pump control hydraulic steering engine |
| CN110143271B (en) * | 2019-03-29 | 2021-04-30 | 武汉船用机械有限责任公司 | Pump-controlled hydraulic steering engine |
| CN115523203A (en) * | 2022-09-14 | 2022-12-27 | 南京航海仪器二厂有限公司 | Rotary vane steering engine steering oil cylinder fault isolation valve bank and rotary vane steering engine |
| CN115523203B (en) * | 2022-09-14 | 2023-09-15 | 南京航海仪器二厂有限公司 | Rotary vane steering engine rudder oil cylinder fault isolation valve group and rotary vane steering engine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017145532A1 (en) | 2017-08-31 |
| KR20180102645A (en) | 2018-09-17 |
| KR102041064B1 (en) | 2019-11-05 |
| JP6660205B2 (en) | 2020-03-11 |
| CN108778925B (en) | 2020-06-12 |
| JP2017149181A (en) | 2017-08-31 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200331 Address after: No.1, 1-1, shiozhimachi, Nagasaki, Nagasaki, Japan Applicant after: Mitsubishi Heavy Industries Marine Machinery Co., Ltd Address before: Japan's Tokyo port harbor two chome 16 No. 5 Applicant before: MITSUBISHI HEAVY INDUSTRIES, Ltd. |
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