CN206734595U - A kind of oil distributor of adjustable pitch rudder oar - Google Patents
A kind of oil distributor of adjustable pitch rudder oar Download PDFInfo
- Publication number
- CN206734595U CN206734595U CN201720052743.2U CN201720052743U CN206734595U CN 206734595 U CN206734595 U CN 206734595U CN 201720052743 U CN201720052743 U CN 201720052743U CN 206734595 U CN206734595 U CN 206734595U
- Authority
- CN
- China
- Prior art keywords
- oil
- oil distribution
- copper sheathing
- seat
- shaft
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
It the utility model is related to a kind of oil distributor of adjustable pitch rudder oar, including oil distribution shaft, copper sheathing, oil distribution seat, lateral joint, inner contact, bearing block, oil distributing pipe, bearing group and slurry axle；Bearing block installs bearing group, support paddle shaft rotation；Oil distribution shaft bolt is concentric affixed with paddle shaft；Oil distribution seat is fixedly connected with the bearing seat, there is provided two-way fluid access interface, while play axially position paddle shaft；U-shaped sealing ring and wear ring insertion are assemblied in oil distribution shaft internal annular groove, two way seal fluid, support oil distributing pipe linear motion；Copper sheathing outer ring is constrained between oil distribution seat and oil distribution shaft with O-ring seal and rubber column；The insertion of TC outside framework oil seals is arranged in the groove of oil distribution seat side, the fluid of the side cavity leakage between copper sheathing and oil distribution shaft is sealed, is easy to specifically measure leakage rate, the utility model can be by high-voltage oil liquid leakage rate stability contorting, it is simple in construction and reliable, there is higher promotional value.
Description
Technical field
The utility model belongs to Ship Propeling technical field, more particularly to a kind of oil distributor of adjustable pitch rudder oar.
Background technology
Adjustable pitch rudder oar not only can be with 360 ° of any direction revolutions in the horizontal plane, can also be in engine speed and rotation
In the case of direction is constant, by the pitch consecutive variations of blade, realize ship from complete positive car to the parking of zero pitch again to full reversing
All operational configurations power drive.It is complicated more that this rudder oar is applied to the operating modes such as Large Tug, ocean engineering vehicle, ice breaker
The propulsion system of change, Suzhou SMMC Marine Drive Systems Co., Ltd. research and develop successfully serial adjustable pitch rudder oar, patent in recent years
CN103192976A discloses the overall structure of adjustable pitch rudder oar.
Usually, adjustable pitch rudder oar is moved along a straight line using hydraulic jack driving piston rod, is driven affixed with piston rod
Sliding block moves linearly, and drives blade to rotate by slider-crank mechanism（Around paddle flange center line）, change pitch.Hydraulic jack
Two-way fluid need by loaded on the oil distributor transmission in rudder oar lower tooth roller box, because oil distributor is located at rudder oar lower tooth roller box
Interior, lower tooth roller box is in ship underwater, and lower gear box installed is equipped with active force transfer mechanisms such as bevel gear, paddle shafts, full of cold
But and lubricating oil, oil distributor installing space is narrow and small, difficult in maintenance；Close patent has with this oil distributor purposes:
CN205186492U、CN202400279U、CN201842245U、CN201362358Y、CN201198370Y、
KR101403415B1, KR20100108718A, US4907992A etc., they are most be used for can not full circle swinging promote mainly into adjustable
Away from propeller, it is installed in cabin, it is relatively convenient to safeguard.
Existing conventional adjustable pitch rudder oar oil distributor structure as shown in Figure 1, paddle shaft A11 together with blade and its flange A12,
Sliding block A13, piston rod and chute A14, the overall continuous rotations of displacement oil cylinder A15；With oil base seat A2 and the bushing connected firmly with it
A6, two joint A1, are connected firmly with bearing block A9, are not rotated with paddle shaft A11；Outer oil distribution shaft A5 is together with sealing ring A4 and O-ring A8
Connected firmly by bolt A7 and paddle shaft A11, rotated with paddle shaft A11；Interior oil distributing pipe A3 connects firmly with piston rod and chute A14, interior with oil
Pipe A3 had both continuously rotated with piston rod and chute A14 together with paddle shaft A11, and moved linearly back and forth, by the corner of blade with line
Displacement mode passes out paddle shaft.
In fig. 1 in addition to blade and its flange A12, sliding block A13, piston rod and chute A14, displacement oil cylinder A15, form
Oil distributor, oil distributor outside is full of cooling and lubricating oil.Two-way fluid used in displacement oil cylinder A15 passes in and out from two joint A1,
By the interstitial hole with oil base seat A2 and the bushing A6 connected firmly with it, connected with the hole in outer oil distribution shaft A5, wherein oil-feed is
Enter interior oil distributing pipe A3 centre bores from outer oil distribution shaft A5 centre bores, flow into cavity on the left of displacement oil cylinder A15 to the left；Displacement oil
Cavity fluid flows to the right by the ring section hole between interior oil distributing pipe A3 and paddle shaft A11 on the right side of cylinder A15, passes through outer with oil
Axle A5 left side interstitial hole of the apertura lateralis flow direction with the oil base seat A2 and bushing A6 connected firmly with it, flows out from left-hand joint.
Blade and its angular rotation of flange are controlled in order to accurate in real time, the roll adjustment drive system of adjustable pitch rudder oar is electro-hydraulic servo
System, it is desirable to which when hydraulic circuit flows through oil distributor, leakage rate is stable and reduces in right amount.Outer oil distribution shaft A5 shown in accompanying drawing 1 is at a high speed
In rotation process, outer oil distribution shaft A5 outer surfaces are with bushing A6 inner surfaces relative sliding velocity in magnitude few meters per second（With adjustable
Pitch rudder paddle type number changes）；Generally, gap is left between outer oil distribution shaft A5 outer surfaces and bushing A6 inner surfaces, into oil distributor
Pressure oil when being full of gap here, necessarily leak.Meanwhile outer oil distribution shaft A5 and paddle shaft A11 is fixed together and rotated at a high speed,
Paddle shaft bears heavily loaded alternate load, paddle shaft A11 together with outer oil distribution shaft A5 can radial rotary beat, outer oil distribution shaft A5 outer surfaces
Gap between bushing A6 inner surfaces is unstable, causes pressure oil leakage quantity not fixed；It is also easy to cause outside outer oil distribution shaft A5
Surface is interfered with bushing A6 inner surfaces or bushing A6 inner surface part instantaneous high-temperatures, causes bushing A6 adhesion wears.
Utility model content
The purpose of the utility model is that to provide a kind of structure for overcome the deficiencies in the prior art safe and reliable, while copper sheathing
Using float support, the offset between copper sheathing and oil distribution shaft is reduced, avoids the two from directly contacting, and leakage rate is stable and closes
It is suitable, and the oil distributor for the adjustable pitch rudder oar that the fluid of leakage can be measured.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of oil distributor of adjustable pitch rudder oar, bag
Include oil distribution shaft, copper sheathing, oil distribution seat, bearing block, oil distributing pipe, bearing group and slurry axle；The oil distribution shaft is outer to pass through relocatable copper sheathing
It is connected with oil distribution seat；The oil distribution seat is fixed on bearing block；The slurry axle in bearing group is provided with the bearing block, and is starched
Axle with oil distribution shaft is concentric is connected；Centre bore of the oil distributing pipe through oil distribution shaft and slurry axle；The oil distribution shaft, copper sheathing, oil distribution seat,
It is provided with mutually to enter oil return line through what is be used cooperatively and go out oil return line between bearing block, oil distributing pipe, bearing group and slurry axle；
Preferably, it is described enter oil return line include being arranged on four the second radial holes on the right side of oil distribution shaft, be arranged in copper sheathing
Right radial hole, two the 3rd radial holes being arranged in oil distributing pipe and the first center being connected with the 3rd radial hole
Hole；Mutually the place of passing through is provided with annular groove to second radial hole with oil distribution shaft external diameter, and annular groove is connected with the first centre bore；
Mutually the place of passing through is provided with right side peripheral annular groove and right circular groove with the inside and outside footpath of copper sheathing in the right radial hole；The right side
Radial hole is connected with inner contact.
Preferably, it is described go out oil return line include being arranged on four axial blind holes on the left of oil distribution shaft, blind positioned at four axial directions
The first radial hole, the left radial hole being arranged in copper sheathing and the ring being arranged between slurry axle and oil distributing pipe in the vertical direction of hole
Shape chamber；Mutually the place of passing through is provided with left side peripheral ring groove and left side annular groove with the inside and outside footpath of copper sheathing in the left radial hole；It is described
Annular chamber is connected with axial blind hole；The left radial hole is connected with lateral joint.
Preferably, the copper sheathing is connected with the bolt pin screw thread of the left hole through oil distribution seat, and copper sheathing is set in oil
On axle；The rubber column in oil distribution seat left hole is arranged with outside the bolt pin；The left end of the rubber column is arranged on
Packing ring in oil distribution seat；The rubber column external diameter is smaller 0.6 mm than the diameter of bore of oil distribution seat left hole~1mm.
Preferably, the copper sheathing central cavity edge sets the small annular pressure compensating groove in many places；The copper sheathing is with matching somebody with somebody oil
The second annular gap is provided between axle；Second annular gap distance for oil distribution shaft at this external diameter value 8 ‰~10 ‰.
Preferably, it is additionally provided with cavity between oil distribution seat and the copper sheathing left side；The cavity side, which is provided with, is located at oil distribution seat
TC outside framework oil seals in groove, for carrying out fluid sealing to cavity；The cavity communicates with the oil outlet on oil distribution seat.
Preferably, two U-shaped sealing rings being oppositely arranged are additionally provided between the oil distribution shaft and oil distributing pipe and are oppositely arranged
Two wear rings；The 3rd annular gap is additionally provided between the oil distribution shaft and oil distributing pipe；The distance of 3rd annular gap
For 0.5mm~1mm.
Preferably, three the first O-ring sealing rings are additionally provided between the oil distribution seat and copper sheathing, and the first O-ring seals
The left side peripheral ring groove and right side peripheral annular groove of circle and copper sheathing are arranged at intervals；It is provided between the oil distribution seat and copper sheathing
First annular gap.
Preferably, the oil distribution seat is bolted on bearing block by first；The oil distribution seat left end face and bearing
Bearing baffle ring is provided between group.
Preferably, the slurry axle is fixedly linked with oil distribution shaft by the way that four the second bolts are concentric, and also sets between the two
There is the second O-ring.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：
The oil distributor of the adjustable pitch rudder oar of the utility model, its two-way hydraulic oil is smoothly from the paddle shaft of rotation
Separately transmission, and copper sheathing uses float support, reduces the offset between copper sheathing and oil distribution shaft, ensures the two annular slot
Section is stable, avoids the two from directly contacting；The ring-type oil film dimensionally stable that annular groove is formed between oil distributing pipe and oil distribution shaft, from
The fluid amount of the two annular slot leakage is stable and suitable, is carried for the roll adjustment Hydrauservo System steady operation of adjustable pitch rudder oar
Necessary guarantee has been supplied, while special cavity and TC outside framework oil seals are set, the fluid of leakage can specifically be measured.
Brief description of the drawings
Technical solutions of the utility model are described further below in conjunction with the accompanying drawings：
Accompanying drawing 1 is the front view of oil distributor in the prior art；
Accompanying drawing 2 is front view of the present utility model；
Accompanying drawing 3 is the partial enlarged drawing in accompanying drawing 2；
Accompanying drawing 4 is the partial enlarged drawing in accompanying drawing 2；
Accompanying drawing 5 is Section A-A sectional view in accompanying drawing 2；
Accompanying drawing 6 is section B-B sectional view in accompanying drawing 2；
Accompanying drawing 7 is C-C cross-sectional views in accompanying drawing 2；
Accompanying drawing 8 is the left view of accompanying drawing 2；
Wherein：A1- joints；A2- matches somebody with somebody oil base seat；Oil distributing pipe in A3-；A4- sealing rings；The outer oil distribution shafts of A5-；A6- bushings；
A7- bolts；A8-O type circles；A9- bearing blocks；A10- paddle shaft bearing groups；A11- paddle shafts；A12- blades and its flange；A13- sliding blocks；
A14- piston rods and chute；A15- displacement oil cylinders；10- oil distribution shafts；11- copper sheathings；12- oil distribution seats；13- lateral joints；On the inside of 14-
Joint；15- bearing blocks;16- oil distributing pipes;17- bearing groups;18- starches axle;19- annular chambers;101- axial blind holes;The footpaths of 102- first
Xiang Kong;The radial holes of 103- second;104- annular grooves;105-U types sealing ring, 106- wear rings；The annular gaps of 107- the 3rd；
111- left radials hole;112- right radials hole;Peripheral ring groove on the left of 113-;Annular groove on the left of 114-;115- is right
Side peripheral ring groove;116- right circular grooves;The small annular pressure compensating grooves of 117-；The annular gaps of 118- second；
121- bolt pins；122- rubber columns；123- packing rings；124-TC outside framework oil seals；125- cavitys；126- oil outlets；127- first is O-shaped
Enclose sealing ring；The annular gaps of 128- first；The centre bores of 161- first；The radial holes of 162- the 3rd；171- bearing baffle rings；172- first
Bolt；The bolts of 181- second；The O-rings of 182- second.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
A kind of oil distributor of adjustable pitch rudder oar described in the utility model as shown in accompanying drawing 2-8, including oil distribution shaft 10,
Copper sheathing 11, oil distribution seat 12, bearing block 15, oil distributing pipe 16, bearing group 17 and slurry axle 18；The oil distribution shaft 10 is outer by relocatable
Copper sheathing 11 is connected with oil distribution seat 12；The oil distribution seat 12 is fixed on bearing block 15；It is provided with the bearing block 15 and is located at bearing
Slurry axle 18 in group 17, and starch axle 18 and oil distribution shaft 10 is concentric is connected；The oil distributing pipe 16 is through oil distribution shaft 10 and starches axle 18
Centre bore；Set between the oil distribution shaft 10, copper sheathing 11, oil distribution seat 12, bearing block 15, oil distributing pipe 16, bearing group 17 and slurry axle 18
Have and mutually enter oil return line and to go out oil return line through what is be used cooperatively；
It is described enter oil return line include being arranged on four the second radial holes 103 of right 10 sides of oil distribution shaft, be arranged in copper sheathing 11
Right radial hole 112, two the 3rd radial holes 162 being arranged in oil distributing pipe 16 and be connected with the 3rd radial hole 162
The first centre bore 161；Mutually the place of passing through is provided with annular groove 104 to second radial hole 103 with the external diameter of oil distribution shaft 10, and annular is recessed
Groove 104 is connected with the first centre bore 161；Mutually the place of passing through is provided with right side peripheral with 11 inside and outside footpath of copper sheathing in the right radial hole 112
Annular groove 115 and right circular groove 116；The right radial hole 112 is connected with inner contact 14.
It is described go out oil return line include being arranged on four axial blind holes 101 in the left side of oil distribution shaft 10, positioned at four axial blind holes
The first radial hole 102 in 101 vertical direction, the left radial hole 111 being arranged in copper sheathing 11 and it is arranged on slurry axle 18 and matches somebody with somebody
Annular chamber 19 between oil pipe 16；Mutually the place of passing through is recessed provided with left side peripheral annular with 11 inside and outside footpath of copper sheathing in the left radial hole 111
Groove 113 and left side annular groove 114；The annular chamber 19 is connected with axial blind hole 101；The left radial hole 111 with it is outer
Side connector 13 is connected.
The copper sheathing 11 is connected with the screw thread of bolt pin 121 of the left hole through oil distribution seat 12, and copper sheathing 11 is set in and matched somebody with somebody
On oily axle 10；The rubber column 122 in the left hole of oil distribution seat 12 is arranged with outside the bolt pin 121；The rubber column 122
Left end is arranged on the packing ring 123 in oil distribution seat 12；Diameter of bore of the external diameter of rubber column 122 than the left hole of oil distribution seat 12
Small 0.6 mm~1mm；The central cavity edge of copper sheathing 11 sets the small annular pressure compensating groove 117 in many places；The copper sheathing 11
The second annular gap 118 is provided between oil distribution shaft 10；Second annular gap 118 is apart from for the external diameter value at this of oil distribution shaft 10
8 ‰~10 ‰.
Cavity 125 is additionally provided between the left side of oil distribution seat 12 and copper sheathing 11；The side of cavity 125, which is provided with, to be located at oil
TC outside framework oil seals 124 in 12 grooves of seat, for carrying out fluid sealing to cavity 125；The cavity 125 is with being located at oil distribution seat 12
On oil outlet 126 communicate；The U-shaped sealing ring 105 of two be oppositely arranged is additionally provided between the oil distribution shaft 10 and oil distributing pipe 16
With two wear rings 106 being oppositely arranged；The 3rd annular gap 107 is additionally provided between the oil distribution shaft 10 and oil distributing pipe 16；Institute
The distance for stating the 3rd annular gap 107 is 0.5mm~1mm.
Three the first O-ring sealing rings 127 are additionally provided between the oil distribution seat 12 and copper sheathing 11, and the first O-ring seals
The left side peripheral ring groove 113 and right side peripheral annular groove 115 of circle 127 and copper sheathing 11 are arranged at intervals；The oil distribution seat 12
The first annular gap 128 is provided between copper sheathing 11；The oil distribution seat 12 is fixed on bearing block 15 by the first bolt 172；
Bearing baffle ring 171 is provided between the left end face of oil distribution seat 12 and bearing group 17；The slurry axle 18 passes through four with oil distribution shaft 10
Individual second bolt 181 is fixedly linked with one heart, and is additionally provided with the second O-ring 182 between the two.
Specifically, as shown in Figure 7, the overcoat rubber column 122 of bolt pin 121, packing ring 123 constrains the left end of rubber column 122
Deformation, these three parts form global facility, are threadedly attached on copper sheathing 11, and the external diameter of rubber column 122 should than oil distribution seat 12
Small 0.6 mm of the diameter of bore~1mm at place, such copper sheathing 11 have the space of small floating, the floating branch of copper sheathing 11 with respect to oil distribution seat 12
Support, the offset between copper sheathing 11 and oil distribution shaft 10 is reduced, ensure that the two annular slot section is stable, avoid the two from directly connecing
Touch, while the small annular pressure compensating groove 117 in many places is set at the central cavity edge of copper sheathing 11, there is provided the floating centering of copper sheathing 11
Carry pressure.
Wherein, TC outside framework oil seals 124 and three the first O-rings 127 are positioned in the groove everywhere of oil distribution seat 12, three
One O-ring 127 does not seal to the oil of two oil pockets between oil distribution seat 12 and copper sheathing 11, TC outside framework oil seals 124 to from copper sheathing 11 with
The fluid sealing that left chamber 125 between oil distribution shaft 10 leaks, allows the fluid of leakage to flow through the lower end M12 of oil distribution seat 12 oil outlet
126；When debugging adjustable pitch rudder oar, the above-mentioned jointing of M12 oil outlets 126 and flexible pipe can measure certain into measuring cup
Specific leakage rate in time.
Two sets of U-shaped sealing rings 105 and the insertion of wear ring 106 are assemblied in the intermediate annular groove of oil distribution shaft 10, U-shaped sealing ring
Fluid two way seal between 105 pairs of oil distribution shafts 10 and oil distributing pipe 16, two wear rings 106 support oil distributing pipe 16 move along a straight line.
Oil distribution seat 12 is fixedly connected with bearing block 15 by the first bolts of M12 172, and the two has seam positioning, the left side of oil distribution seat 12
Side end face compresses bearing baffle ring 171, the thickness of grinding bearing baffle ring 171, finely tunes the right position of paddle shaft 18 that bearing group 17 supports, and
And play axially position bearing group 17.
Oil distribution shaft 10 is affixed with paddle shaft 18 by 4 the second bolts of M10 181 of bolt, makees radial positioning, the 2nd O with seam
Type circle 182 is placed in the groove of the right-hand member of paddle shaft 18, the left side of oil distribution shaft 10 and the fitting of the right side of paddle shaft 18, by the second O-ring
182 compress deformation, play sealing fluid.
Further, the 3rd annular gap is to require to determine with cylinder body fit clearance according to the piston rod of General hydraulic oil cylinder
, the 3rd annular gap is smaller, and when paddle shaft 18 rotates at a high speed together with oil distribution shaft 10, circular runout occurs in oil distribution shaft 10, from
And attempt to influence copper sheathing 11 and the centering effect of oil distribution shaft 10, meanwhile, during fluid disengaging inner contact 14, lateral joint 13,
The small annular pressure compensating groove 117 in many places of the endoporus of copper sheathing 11 plays balanced action, is loaded, made by the oil film pressure in whole ring recess
Copper sheathing 11 is consistent substantially with the centering of oil distribution shaft 10, the distance of the second annular gap in whole circumference automatically, reduces copper sheathing 11
With the eccentric distance between oil distribution shaft 10, leakage is reduced, and ensure the stability of this leakage rate；And oil distribution seat 12 and copper sheathing 11
Between the first annular gap, for copper sheathing 11 this automatic centering float provide space.
Wherein, the second annular gap can take oil distribution shaft 10 at this external diameter value 8 ‰~10 ‰, according to 10 turns of oil distribution shaft
The factors such as fast, inside and outside oil liquid pressure is poor, oil viscosity, annular gap axial length suitably change, and ensure pressure oil ring from there
Shape gap leakage flow rate is in 100mL magnitudes per minute；If leakage rate is very few, the local heating of copper sheathing 11 is easily caused, copper sheathing 11 is damaged, scrapes
Hinder oil distribution shaft 10；If leakage rate is excessive, pressure drop drastically increases the roll adjustment hydraulic circuit of adjustable pitch rudder oar in this place, and hydraulic pressure
Oil circuit flow can not lean on flow control valve accurately and quickly to adjust, and the position of blade can not position in time, may induce ship and push away
Enter system vibration.
Second annular gap can be with value 0.5mm~1mm, according to overall dimensions of the present utility model, the dynamic footpath of paddle shaft 18
Specifically being determined to jerk value, each part setting accuracy on work of the utility model etc., the diameter of section of the first O-ring 127 is relatively large,
The radial floating amount of copper sheathing 11 can be dynamically compensated, and all the time by fluid radial seal between copper sheathing 11 and oil distribution seat 12.
During real work, paddle shaft 18 is supported on bearing block 15 by bearing group 17, and oil distribution shaft 10 is fixed with the one end of paddle shaft 18,
With the high-speed rotation of paddle shaft 18；Oil distributing pipe 16 passes through from the centre bore of paddle shaft 18 and oil distribution shaft 10, both synchronous high with paddle shaft 18
Speed rotation, but the axial direction of relative oil distribution shaft 10 carries out linear slide.
Specific fluid glide path is as described below：Oil-feed route, 1. pressure oil enter from inner contact 14, it is a small amount of to be detained
In the right side peripheral annular groove 115 of copper sheathing 11, the overwhelming majority flows through the right radial hole 112 of copper sheathing 11 and reaches oil distribution shaft 10 and copper sheathing
In right circular groove 116 between 11；2. pressure oil enters 4 second, the right side of oil distribution shaft 10 radially from right circular groove 116
Hole, then by the second radial hole of 4, right side, reach in the annular groove 104 between oil distribution shaft 10 and oil distributing pipe 16；It is 3. above-mentioned
Pressure oil in annular groove 104 passes through 2 the 3rd radial holes 162 of oil distributing pipe 16, can flow to the first center of oil distributing pipe 16
In hole 161, oil cylinder is then gathered（Not shown in figure）Rodless cavity body, while the cylinder rod chamber body fluid flow back.Oil return
Route, annular chamber 19 of the fluid between paddle shaft 18 and oil distributing pipe 16 that 1. flow back flow through, and it is blind to reach 4 axial directions in the right side of oil distribution shaft 10
Hole 101, by 4 first radial holes 102 in the vertical direction of 4 axial blind holes 101 here, withdrawing oil liquid stream is through 4
One radial hole 102, then arrive in the left side annular groove 114 between oil distribution shaft 10 and copper sheathing 11；2. the fluid that then, flows back converges
Enter the left radial hole 111 of copper sheathing 11, finally pass through left side peripheral ring groove 113 and lateral joint 17 flows out oil distributor.Work as oil
When liquid circulates according to above-mentioned direction, oil distributing pipe 16 is together with piston rod（Not shown in figure）Move along a straight line to the right；When fluid is according to upper
When stating direction reverse circulated, oil distributing pipe 16 moves along a straight line to the left.
The oil distributor of adjustable pitch rudder oar of the present utility model, its two-way hydraulic oil smoothly separates from the paddle shaft of rotation
Transmission, and copper sheathing uses float support, reduces the offset between copper sheathing and oil distribution shaft, ensures the two annular slot section
It is stable, avoid the two from directly contacting；The ring-type oil film dimensionally stable that annular groove is formed between oil distributing pipe and oil distribution shaft, from the two
The fluid amount of annular slot leakage is stable and suitable, is provided for the roll adjustment Hydrauservo System steady operation of adjustable pitch rudder oar
Necessary guarantee, while special cavity and TC outside framework oil seals are set, the fluid of leakage can specifically be measured.
It the above is only concrete application example of the present utility model, do not form any limit to the scope of protection of the utility model
System.All technical schemes formed using equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (10)
- A kind of 1. oil distributor of adjustable pitch rudder oar, it is characterised in that：Including oil distribution shaft, copper sheathing, oil distribution seat, bearing block, with oil Pipe, bearing group and slurry axle；The oil distribution shaft is outer to be connected by relocatable copper sheathing with oil distribution seat；The oil distribution seat is fixed on bearing On seat；The slurry axle in bearing group is provided with the bearing block, and starches axle and oil distribution shaft is concentric is connected；The oil distributing pipe passes through The centre bore of oil distribution shaft and slurry axle；Set between the oil distribution shaft, copper sheathing, oil distribution seat, bearing block, oil distributing pipe, bearing group and slurry axle Have and mutually enter oil return line and to go out oil return line through what is be used cooperatively.
- 2. the oil distributor of adjustable pitch rudder oar according to claim 1, it is characterised in that：It is described enter oil return line include set Four the second radial holes on the right side of oil distribution shaft, the right radial hole being arranged in copper sheathing, be arranged in oil distributing pipe two Three radial holes and the first centre bore being connected with the 3rd radial hole；Mutually the place of passing through is set second radial hole with oil distribution shaft external diameter There is annular groove, and annular groove is connected with the first centre bore；The right radial hole is mutually provided with the place of passing through with the inside and outside footpath of copper sheathing Right side peripheral annular groove and right circular groove；The right radial hole is connected with inner contact.
- 3. the oil distributor of adjustable pitch rudder oar according to claim 2, it is characterised in that：It is described go out oil return line include set Four axial blind holes on the left of oil distribution shaft, the first radial hole in four axial blind hole vertical direction, it is arranged on copper sheathing Interior left radial hole and the annular chamber being arranged between slurry axle and oil distributing pipe；The left radial hole and the inside and outside footpath phase of copper sheathing Pass through place and be provided with left side peripheral ring groove and left side annular groove；The annular chamber is connected with axial blind hole；The left side footpath It is connected to hole with lateral joint.
- 4. the oil distributor of the adjustable pitch rudder oar according to claim 1 or 3, it is characterised in that：The copper sheathing is matched somebody with somebody with passing through The bolt pin screw thread of the left hole of font is connected, and copper sheathing is set on oil distribution shaft；It is arranged with outside the bolt pin positioned at oil Rubber column in seat left hole；The left end of the rubber column is arranged on the packing ring in oil distribution seat；The rubber column external diameter ratio Small 0.6 mm of diameter of bore~1mm of oil distribution seat left hole.
- 5. the oil distributor of adjustable pitch rudder oar according to claim 4, it is characterised in that：The copper sheathing central cavity edge The small annular pressure compensating groove in many places is set；The second annular gap is provided between the copper sheathing and oil distribution shaft；Second ring-type Clearance distance be oil distribution shaft at this external diameter value 8 ‰~10 ‰.
- 6. the oil distributor of adjustable pitch rudder oar according to claim 5, it is characterised in that：On the left of the oil distribution seat and copper sheathing Between be additionally provided with cavity；The cavity side is provided with the TC outside framework oil seals in oil distribution seat groove, for carrying out oil to cavity Liquid-tight envelope；The cavity communicates with the oil outlet on oil distribution seat.
- 7. the oil distributor of adjustable pitch rudder oar according to claim 1, it is characterised in that：The oil distribution shaft and oil distributing pipe it Between be additionally provided with two U-shaped sealing rings being oppositely arranged and two wear rings being oppositely arranged；Between the oil distribution shaft and oil distributing pipe It is additionally provided with the 3rd annular gap；The distance of 3rd annular gap is 0.5mm~1mm.
- 8. the oil distributor of adjustable pitch rudder oar according to claim 1, it is characterised in that：Between the oil distribution seat and copper sheathing It is additionally provided with three the first O-ring sealing rings, and the left side peripheral ring groove and right side peripheral of the first O-ring sealing ring and copper sheathing Annular groove is arranged at intervals；The first annular gap is provided between the oil distribution seat and copper sheathing.
- 9. the oil distributor of adjustable pitch rudder oar according to claim 1, it is characterised in that：The oil distribution seat passes through the first spiral shell Bolt is fixed on bearing block；Bearing baffle ring is provided between the oil distribution seat left end face and bearing group.
- 10. the oil distributor of adjustable pitch rudder oar according to claim 1, it is characterised in that：The slurry axle leads to oil distribution shaft Cross four the second bolts to be fixedly linked with one heart, and be additionally provided with the second O-ring between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720052743.2U CN206734595U (en) | 2017-01-16 | 2017-01-16 | A kind of oil distributor of adjustable pitch rudder oar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720052743.2U CN206734595U (en) | 2017-01-16 | 2017-01-16 | A kind of oil distributor of adjustable pitch rudder oar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206734595U true CN206734595U (en) | 2017-12-12 |
Family
ID=60556239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720052743.2U Withdrawn - After Issue CN206734595U (en) | 2017-01-16 | 2017-01-16 | A kind of oil distributor of adjustable pitch rudder oar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206734595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106697241A (en) * | 2017-01-16 | 2017-05-24 | 苏州船用动力***股份有限公司 | Oil distributor for adjustable-pitch steering oar |
| CN110844031A (en) * | 2019-09-27 | 2020-02-28 | 广州文冲船厂有限责任公司 | Oil distributor limiting structure, propeller hydraulic system and ship |
-
2017
- 2017-01-16 CN CN201720052743.2U patent/CN206734595U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106697241A (en) * | 2017-01-16 | 2017-05-24 | 苏州船用动力***股份有限公司 | Oil distributor for adjustable-pitch steering oar |
| CN110844031A (en) * | 2019-09-27 | 2020-02-28 | 广州文冲船厂有限责任公司 | Oil distributor limiting structure, propeller hydraulic system and ship |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106741777B (en) | Floating ring type oil distributor | |
| CN106697241B (en) | A kind of oil distributor of adjustable pitch rudder paddle | |
| CN206734595U (en) | A kind of oil distributor of adjustable pitch rudder oar | |
| CN107202695B (en) | A kind of large torque liquid viscous couplings experimental rig | |
| CN103994184A (en) | Closed cycloid precision gear reducer | |
| CN110130830B (en) | Push-leaning type rotary steering device based on drilling hydraulic pressure difference | |
| CN205956387U (en) | Two -stage combination formula rotary shaft seal device | |
| CN102785086A (en) | Locking oscillating head for five-coordinate machine tool | |
| CN206734594U (en) | A kind of blade displacement device | |
| CN101586523B (en) | Noncircular planetary gear hydraulic motor | |
| CN111779648B (en) | Low-speed large-torque valve flow distribution inner curve radial plunger type high-water-base hydraulic motor | |
| US8720543B2 (en) | Device for passive pressure sealing | |
| CN106370412B (en) | A kind of turbine test rig | |
| CA2903906C (en) | Dual axis rotor | |
| CN201180646Y (en) | Ganged rotation capacity-variable mechanism of displacement type fluid machine | |
| CN204025991U (en) | A kind of New type rotating joint | |
| CN101936434B (en) | Rotating joint | |
| CN206456534U (en) | Floating ring type oil distributor | |
| CN206436265U (en) | A kind of revolute joint drive system | |
| CN110632280A (en) | 360-degree oil film appearance testing device for plunger pair | |
| CN201486743U (en) | Noncircular planetary wheel hydraulic motor | |
| CN101608937B (en) | Low-pulsation gear flowmeter of composite gear type | |
| CN209180104U (en) | A kind of generator gland seal device | |
| CN201764168U (en) | Rotary joint | |
| CN207363991U (en) | A kind of rotating hydraulic cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171212 Effective date of abandoning: 20190111 |
|
| AV01 | Patent right actively abandoned |