CN109236539A - A kind of Kaplan turbine structure that the wheel hub of hydraulic operation is oil-free - Google Patents
A kind of Kaplan turbine structure that the wheel hub of hydraulic operation is oil-free Download PDFInfo
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- CN109236539A CN109236539A CN201811229066.2A CN201811229066A CN109236539A CN 109236539 A CN109236539 A CN 109236539A CN 201811229066 A CN201811229066 A CN 201811229066A CN 109236539 A CN109236539 A CN 109236539A
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- oil
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- blade
- installation cavity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/14—Rotors having adjustable blades
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
The present invention provides a kind of oil-free Kaplan turbine structure of wheel hub of hydraulic operation, comprising: the first installation cavity is defined in wheel hub；Blade is arranged on wheel hub, and multiple blades are circumferentially evenly spaced setting along wheel hub；Axially extending along its and perforative second installation cavity is defined in main shaft, wheel hub is mounted on the first end of main shaft and the first installation cavity is connected with the second installation cavity；The first end of operation rod is connected with blade；Relay device assembly is connected with the second end of operation rod；Oil head is located at the second end of main shaft, oil head is equipped with by oilhole, oil head is mutually passed to relay device assembly oil circuit by from the operation oil dispensing relay device assembly next by oilhole reception, and relay device assembly can push operation rod to carry out axial displacement under the action of operating oil to drive blade to rotate and be further driven to the wheel hub, the main shaft and operation rod and blade synchronous rotation.The oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to an embodiment of the present invention can accomplish oil-free operation in wheel hub, prevent the oily pollution to river.
Description
Technical field
The present invention relates to turbine technology fields, more particularly, to a kind of oil-free rotary propeller type of the wheel hub of hydraulic operation
Hydraulic turbine structure.
Background technique
Oil is filled in traditional Kaplan turbine wheel hub, so, once blade seal fails, will have a large amount of
Operation oil and lubricating oil inject river, cause water pollution.Therefore, in recent years, American-European some advanced manufacture commercial cities are wheel hub
Direction of the non-oil ultra high vacuum system as technical research, and have developed Related product.
The technology path of existing product, all concentrate on lubriation material, sealing material new technology research and development and application it is upper, with it
Technical measures as wheel hub " few lubricating oil ".The structure feature of its product is: servomotor and therewith batch operation oil
Oil head is separate type, servomotor be it is built-in, still have operation oil in wheel hub, general operation oil seal is in a container
It is interior, it is surrounded by the anaerobic water of certain pressure, prevents oily exudation；In addition, the lubricating oil in wheel hub is to meet bearing and sealing element
Lubrication and anti-corrosion needs, be only equivalent to the dosage of lubricating oil 10% in traditional structure.Although having reached the mesh for turning paddle
, but the shortcomings that this structure be: wheel hub domestic demand has the operation oil of rotation blade, and for the lubrication of bearing lubrication and anti-corrosion
Oil cannot accomplish " wheel hub non-oil ultra high vacuum system " completely, and there are still the risks of certain water pollution.
Summary of the invention
In view of this, the present invention provides a kind of oil-free Kaplan turbine structure of wheel hub of hydraulic operation.
In order to solve the above technical problems, the invention adopts the following technical scheme:
The oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to an embodiment of the present invention includes:
Wheel hub defines the first installation cavity in the wheel hub；
Multiple blades, the blade are arranged on the wheel hub, and multiple blades are circumferential equably along the wheel hub
Interval setting；
Main shaft defines axially extending along its and perforative second installation cavity in the main shaft, and the wheel hub is mounted on institute
It states the first end of main shaft and first installation cavity is connected with second installation cavity；
Operation rod, the first end of the operation rod are connected with the blade；
Relay device assembly, the relay device assembly are connected with the second end of the operation rod；
Oil head, the oil head are located at the second end of the main shaft, and the oil head is equipped with by oilhole, described by oil
Device and the relay device assembly oil circuit are mutually passed to from the operation oil dispensing relay device assembly come by oilhole reception, described
Relay device assembly can push the operation rod to carry out axial displacement to described in drive under the action of the operation is oily
Blade rotates and is further driven to the wheel hub, the main shaft and the operation rod and the blade rotates synchronously.
Further, the relay device assembly includes:
Servomotor main body, the servomotor main body is interior to be equipped with oil pocket, and the oil pocket is connected to the oil head fluid path；
Piston rod, the piston rod are connected between the servomotor main body and the second end of the operation rod, and
One end of the piston rod protrudes in the oil pocket so that the piston rod pushes the behaviour under the action of operation is oily
Make bar assembly axial displacement.
Further, the servomotor main body is formed as one with the oil head, and at least the one of the operation rod
Part is threaded through in first installation cavity and the second installation cavity.
Further, it is connected between the first end and second end of the main shaft by ring flange, the servomotor main body is set
On the ring flange, the oil head is carried out by the oil pipe being threaded through in second installation cavity and the servomotor main body
Oil communication.
Further, the operation rod includes:
Operating stick, the operating stick is threaded through in second installation cavity and the operating stick is connected with the piston rod
It connects；
Connecting rod, the connecting rod are located in first installation cavity and are connected with the operating stick；
Crosshead, it is described to operate the end for being erected at protrusion first installation cavity of the connecting rod；
Blade whirling arm mechanism, the crosshead is connect with the blade whirling arm mechanism and the blade whirling arm mechanism passes through axis
It holds and is connected with the blade, to drive the blade to rotate by the crosshead.
Further, divide between the connecting rod and the operating stick and between the piston rod and the operating stick
It is not connected independently by connector, the connector is rotation set or snap ring.
Further, the servomotor main body is located in the wheel hub, and the oil head is by being threaded through second peace
Behave affectedly and first installation cavity in oil pipe and the servomotor main body carry out oil communication.
Further, the operation rod includes:
Operating stick, the operating stick are connected with the piston rod；
Crosshead, it is described to operate the end with the piston rod opposite side for being erected at the operating stick；
Blade whirling arm mechanism, the crosshead is connect with the blade whirling arm mechanism and the blade whirling arm mechanism passes through axis
It holds and is connected with the blade, to drive the blade to rotate by the crosshead.
Further, the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation further include:
First support, the first support are located on the outside of the oil head, and one end of the first support is mounted on described
The second end and the other end of main shaft are connected with the relay device assembly.
Further, the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation further include:
Second support, the second support are located on the outside of the first support, and one end of the second support is located at described
On the outside of relay device assembly and the other end is fixed on the outside of the second end of the main shaft by rack.
Optionally, the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation further include:
Laser displacement sensor, the laser displacement sensor are located at the inside of the second support；
Reflecting disc, the reflecting disc are located on the piston rod or in the operation rod with can be with the operating stick
Component synchronizes rotation, and the reflecting disc is set as its reflecting surface towards the laser displacement sensor.
Optionally, in addition, the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation further include: magnetostriction position
Displacement sensor, the magnetostrictive displacement sensor are located at the free end of the oil head.
Further, the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation further include: multiple stop collars are more
In the second installation cavity that a stop collar is respectively provided in the main shaft with for be threaded through operation rod therein into
Conduct is to limit.
Further, the blade whirling arm mechanism is formed as stainless steel materials and parts, and the bearing is formed as self-lubricating material
Part.
Further, the oil head is used to receive the operation oil of 10MPa~25MPa.
Above-mentioned technical proposal of the invention one of at least has the advantages that:
The oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to an embodiment of the present invention, by by servomotor group
Part is located between oil head and wheel hub, and relay device assembly can also be separated with oil head integrated combination with oil head, should
The oil-free Kaplan turbine structure structure of the wheel hub of hydraulic operation is simple.In addition, oil head can receive operation with high pressure oil, connect
Power device assembly can push the operation rod to carry out axial displacement to described in drive under the action of operation with high pressure oil
Blade makes the operation rod axial rotation synchronous with the blade while rotation, oil-free in wheel hub so as to accomplish
Operation, prevents the oily pollution to river from structure.
Detailed description of the invention
Fig. 1 is the structure according to the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation of one embodiment of the invention
Schematic diagram；
Fig. 2 is the knot according to the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation of another embodiment of the invention
Structure schematic diagram；
Fig. 3 is the knot according to the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation of further embodiment of the present invention
Structure schematic diagram；
Fig. 4 is the knot according to the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation of another embodiment of the present invention
Structure schematic diagram.
Appended drawing reference:
The oil-free Kaplan turbine structure 100 of the wheel hub of hydraulic operation；Main shaft 10；First rotation set 11；Second rotation set 12；
First support 13；Second support 14；Laser displacement sensor 15；Reflecting disc 16；Magnetostrictive displacement sensor 17；Stop collar
18；Rack 19；
Oil head 20；
Operation rod 30；Operating stick 31；Connecting rod 32；Crosshead 33；Blade whirling arm mechanism 34；
Wheel hub 40；
Blade 50；
Relay device assembly 60；Servomotor main body 61；Piston rod 62；
Bearing 70；
Sealing element 80；
Oil pipe 90.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless otherwise defined, technical term or scientific term used in the present invention are should be in fields of the present invention
The ordinary meaning that personage with general technical ability is understood." first ", " second " used in the present invention and similar word
It is not offered as any sequence, quantity or importance, and is used only to distinguish different component parts.Equally, "one" or
The similar word such as " one " does not indicate that quantity limits yet, but indicates that there are at least one." connection " or " connected " etc. are similar
Word is not limited to physics or mechanical connection, but may include electrical connection, it is either direct or between
It connects."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when the absolute position for being described object changes
Afterwards, then the relative positional relationship also correspondingly changes.
The oil-free rotary propeller type water wheels of the wheel hub of hydraulic operation according to an embodiment of the present invention are specifically described with reference to the accompanying drawing
Machine structure 100.
As shown in Figures 1 to 4, the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to an embodiment of the present invention
100 include wheel hub 40, multiple blades 50, main shaft 10, operation rod 30, relay device assembly 60 and oil head 20.
Specifically, defining the first installation cavity in wheel hub 40, blade 50 is arranged on wheel hub 40, and 50 edge of multiple blades
Wheel hub 40 is circumferential to be evenly spaced setting, and axially extending along its and perforative second installation cavity is defined in main shaft 10.Wheel hub 40
The first end (right end in attached drawing) and the first installation cavity for being mounted on main shaft 10 are connected with the second installation cavity, operation rod 30
First end be connected with blade 50, relay device assembly 60 is connected with the second end (left end in attached drawing) of operation rod 30, by
Oily device 20 is located at the second end of main shaft 10, and oil head 20 is equipped with by oilhole, and oil head 20 is communicated with 60 oil circuit of relay device assembly
With by from the operation oil dispensing relay device assembly 60 come by oilhole reception, relay device assembly 60 can under the action of operating oil
Operation rod 30 is pushed to carry out axial displacement to drive blade 50 to rotate and be further driven to wheel hub 40, main shaft 10 and behaviour
Make bar assembly 30 and blade 50 rotates synchronously.
In other words, the oil-free Kaplan turbine structure 100 of the wheel hub of hydraulic operation is mainly by wheel hub 40, multiple blades
50, main shaft 10, operation rod 30, relay device assembly 60 and oil head 20 form, wherein the first installation is defined in wheel hub 40
Chamber, is air or other non-corrosive inert gases in the first installation cavity, blade 50 along wheel hub 40 be provided at circumferentially spaced and
It is connected with wheel hub 40, the second installation cavity is defined in main shaft 10, the second installation cavity is axially extending along main shaft 10, wheel hub 40 and master
The first end of axis 10 is connected and is connected with the first installation cavity and the second installation cavity, the first end and blade 50 of operation rod 30
It is connected so that for driving blade 50 to rotate, the second end of operation rod 30 is connected with relay device assembly 60, and oil head 20 is located at
The second end of main shaft 10, oil head 20 are equipped with by oilhole in order to receive operation with high pressure oil, will be received the operation of coming by oilhole
Oil dispensing relay device assembly 60, relay device assembly 60 can push operation rod 30 to carry out axial direction under the action of operating oil
Displacement is synchronous with blade 50 turn to drive blade 50 to rotate and be further driven to wheel hub 40, main shaft 10 and operation rod 30
It is dynamic.That is, operation rod 30, blade 50, wheel hub 40, main shaft 10 will synchronize under the action of operation with high pressure oil
Rotation.
It should be noted that the Kaplan turbine structure that the wheel hub of hydraulic operation according to an embodiment of the present invention is oil-free
100, the operation oil that pressure is up to 10~25MPa can be used, operation rod 30 is pushed to carry out axis by the operation with high pressure oil
To displacement, the axial displacement of operation rod 30 drives blade 50 to rotate and is further driven to wheel hub 40, main shaft 10 and operation
The axial rotation synchronous with blade 50 of bar assembly 30.
The oil-free Kaplan turbine structure 100 of the wheel hub of hydraulic operation according to an embodiment of the present invention as a result, pass through by
Relay device assembly 60 is located between oil head 20 and wheel hub 40, the oil-free Kaplan turbine structure of the wheel hub of the hydraulic operation
100 are not only simple in structure, and can accomplish oil-free operation in wheel hub 40, prevent the oily pollution to river.It is existing compared to this
The pressure of technology medium processing oil is 2.5MPa~6.3MPa, cannot accomplish oil-free operation in wheel hub 40, so that there are oily pollutions
Risk.
Some specific embodiments according to the present invention, relay device assembly 60 include servomotor main body 61 and piston rod 62.
Specifically, it is equipped with oil pocket (not shown) in servomotor main body 61, oil pocket is connected to 20 fluid path of oil head, piston rod 62
Be connected between servomotor main body 61 and the second end of operation rod 30, and piston rod 62 one end it is prominent in oil pocket so as to
Piston rod 62 pushes operation rod 30 to generate axial displacement under the action of operating oil, and then rotates blade.
Preferably, servomotor main body 61 is combined with 20 being formed as one of oil head, as shown in Figure 1, servomotor main body 61
It is connected and is located at the second end of operation rod 30 with oil head 20, at least part of operation rod 30 is threaded through described
In one installation cavity and the second installation cavity.
In addition, relay device assembly 60 can be located at the suitable position between oil head 20 and wheel hub 40, such as Fig. 3 and Fig. 4 institute
Show.
Specifically, according to one embodiment of present invention, as shown in figure 3, between the first end and second end of main shaft 10
It is connected by ring flange, servomotor main body 61 is located on ring flange, stable connection, and oil head 20 is by being threaded through the second installation cavity
Interior oil pipe 90 and servomotor main body 61 carries out oil communication.
Further, relay device assembly 60 can be located in main shaft, and main shaft 10 can be divided into two sections in order to install relay
Device assembly 60, oil head 20 carry out oil communication by the oil pipe 90 and servomotor main body 61 being threaded through in the second installation cavity, connect
Power device assembly 60 is mounted on except wheel hub 40 as external.
According to some embodiments of the present invention, operation rod 30 includes operating stick 31, connecting rod 32, crosshead 33 and paddle
Leaf whirling arm mechanism 34.
Specifically, as shown in figures 1 and 3, operating stick 31 is threaded through in the second installation cavity and operating stick 31 and piston rod
62 are connected, and connecting rod 32 is located in the first installation cavity and is connected with operating stick 31, and operating stick 31 and piston rod 62 pass through the
One rotation set 11 is connected, and operating stick 31 is connected with connecting rod 32 by the second rotation set 12, and crosshead 33 is located at the protrusion of connecting rod 32
The end of first installation cavity, crosshead 33 is connect with blade whirling arm mechanism 34 and blade whirling arm mechanism 34 passes through bearing 70 and blade
50 are connected, to drive blade 50 to rotate by crosshead 33.
That is, operating stick 31 is located in the second installation cavity, the both ends of operating stick 31 respectively with piston rod 62 and connect
Bar 32 is connected, and connecting rod 32 is located in the first installation cavity, prominent first installation cavity in one end of connecting rod 32, operating parts 33 with connect
One end of bar 32 is connected, and operating parts 33 is connected with blade whirling arm mechanism 34, and blade whirling arm mechanism 34 and blade 50 pass through bearing 70
Connection, blade whirling arm mechanism 34 are driven by operating stick 31 to drive blade 50 to rotate.
Optionally, separately lead between connecting rod 32 and operating stick 31 and between piston rod 62 and operating stick 31
It crosses connector to be connected, connector is rotation set or snap ring, this kind of connection type is easily installed and dismantles.
In another embodiment of the present invention, as shown in figure 4, servomotor main body 61 is located in wheel hub 40, oil head 20
Oil communication, servomotor are carried out by the oil pipe 90 and servomotor main body 61 that are threaded through in the second installation cavity and the first installation cavity
The installation site of main body 61 is flexible, can be according to specifically being selected.
Further, operation rod 30 includes operating stick 31, crosshead 33 and blade whirling arm mechanism 34.Specifically, it grasps
Make bar 31 to be connected with piston rod 62, crosshead 33 is located at the end with 62 opposite side of piston rod of operating stick 31, crosshead 33
It is connect with blade whirling arm mechanism 34 and blade whirling arm mechanism 34 is connected with blade 50 by bearing 70 to be driven by crosshead 33
Blade 50 rotates, and 30 structure of operation rod is simple, convenient for operation.
According to one embodiment of present invention, the oil-free Kaplan turbine structure 100 of the wheel hub of hydraulic operation further includes
First support 13 (as shown in Figures 1 to 4).Specifically, first support 13 is located on the outside of oil head 20, the one of first support 13
It holds the second end for being mounted on main shaft 10 and the other end is connected with relay device assembly 60.First support 13 can be with main shaft as a result,
10 and operating stick 31 rotate synchronously.It, can be between relay device assembly 60 and operation rod 30 by first support 13
Humidification is played in connection.
Further, the oil-free Kaplan turbine structure 100 of the wheel hub of hydraulic operation can also include second support 14,
Second support 14 is located at 13 outside of first support, and one end of second support 14 is located at 60 outside of relay device assembly and the other end passes through
Rack 19 is fixed on the second end of main shaft 10.That is, first support 31 is rotated synchronously with main shaft 10, second support 14 begins
It remains stationary eventually.Circumferentially displaced angle for measuring operating stick 31 (or even main shaft 10) can be installed in second support 14 as a result,
Components or other components etc..Wherein, rack 19 can be the mounting bracket for installing generator.
According to one embodiment of present invention, as shown in Figure 1, the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation
100 further include laser displacement sensor 15 and reflecting disc 16.
Specifically, as shown in Figure 1, laser displacement sensor 15 is located at the inside of second support 14, reflecting disc 16 is located at work
Can synchronize rotation with operation rod 30 on stopper rod 62 or in operation rod 30, and reflecting disc 16 is set as it instead
It penetrates facing towards laser displacement sensor 15, since second support 14 remains stationary, so laser displacement sensor 15 can
It is accurately detected the angular displacement signal from reflecting disc 62, so as to accurately control the turned position of main shaft 10.
It should be noted that reflecting disc 16 can also be located on the rotation set of piston rod 62 and 31 connecting place of operating stick, reflection
The reflecting surface of disk 16 is arranged towards laser displacement sensor 15, and reflecting disc 16 connects the displacement of operation rod 30 with electric signal
Enter control system.
According to still another embodiment of the invention, as shown in Figures 2 to 4, the oil-free rotary propeller type water of the wheel hub of hydraulic operation
Turbine structure 100 further includes magnetostrictive displacement sensor 17, and magnetostrictive displacement sensor 17 is located at the freedom of oil head 20
End.That is, installing magnetostrictive displacement sensor 17 in the end of oil head 20, magnetostrictive displacement sensor 17 will live
The displacement of stopper rod 62 is with the access control system of electric signal.The oil-free rotary propeller type water of the wheel hub of hydraulic operation in Fig. 3 and Fig. 4
Turbine structure 100 also installs magnetostrictive displacement sensor 17 in the end of oil head 20.
Optionally, the oil-free Kaplan turbine structure 100 of the wheel hub of hydraulic operation further includes multiple stop collars 18, multiple
For limiting to being threaded through operation rod 30 therein in the second installation cavity that stop collar 18 is respectively provided in main shaft 10
Position.Stop collar 18 can limit the deformation of operating stick 31, so that it is kept axial and stablize.
According to one embodiment of present invention, blade whirling arm mechanism 34 is formed as stainless steel materials and parts, and bearing 70 is formed as
Self-lubricating material part.
It should be noted that crosshead 33, blade 50, blade whirling arm mechanism 34 etc. can be stainless steel material or other warps
The material of preservative treatment.Bearing 70 and 50 rotating arm connecting place of blade are additionally provided with sealing element 80, sealing element 80 can prevent water from
Outside enters wheel hub 40, and bearing 70 and sealing element 80 are respectively formed as water lubrication or self-lubricating material part, and self-lubricating material rubs
Swellability is more excellent in wiping coefficient, wear amount, fatigue and water, and the nominal situation of sealing element 80 is water lubrication, be can also be used certainly
" dry lubrication " and the preferable material of sealing performance, the structure and shape of sealing element 80 will meet wanting for " the invisible leakage of water "
It asks.Repairing or replacement can be completed in the case where not dismantling wheel hub 40 in sealing element 80.
The working principle of the oil-free Kaplan turbine structure 100 of the wheel hub of the hydraulic operation is as follows: oil head 20 receives
Operation oil, and batch operation oil enters relay device assembly 60, under the high pressure effect of operation oil, generates on piston rod 62 huge
Active force simultaneously generates axial displacement of the lines, by mechanical transfer, the first rotation set 11, the second rotation set 12, operating stick 31, crosshead 33,
Blade whirling arm mechanism 34 generates change in displacement, and 50 rotating arm of blade rotates blade 50 and generates angular displacement.Laser displacement sensor 15
(or magnetostrictive displacement sensor 17) Real-time Feedback displacement electric signal forms closed-loop control to control system, is accurately positioned
Blade 50.Operation rod 30, blade whirling arm mechanism 34 are entirely mechanical-force-transmission, interior without operation oil, and inside and outside wheel hub 40
The material of all components all has corrosion resistance, and bearing 70 and sealing element 80 use self-lubricating material, be not necessarily to any lubricating oil,
Medium at sealing element 80 is water and air, and non lubricant oil in wheel hub 40 has accomplished complete " 40 non-oil ultra high vacuum system of wheel hub ".
To sum up, the Kaplan turbine structure 100 that the wheel hub of hydraulic operation according to an embodiment of the present invention is oil-free, leads to
It crosses and relay device assembly 60 is located between oil head 20 and wheel hub 40, relay device assembly 60 can be integrated with oil head 20 group
It closes, can also be separated with oil head 20, the not only structure letter of the oil-free Kaplan turbine structure 100 of the wheel hub of the hydraulic operation
It is single, and can accomplish oil-free operation in wheel hub 40, prevent the oily pollution to river.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (14)
1. a kind of Kaplan turbine structure that the wheel hub of hydraulic operation is oil-free characterized by comprising
Wheel hub defines the first installation cavity in the wheel hub；
Multiple blades, the blade is arranged on the wheel hub, and multiple blades are circumferentially evenly spaced along the wheel hub
Setting；
Main shaft defines axially extending along its and perforative second installation cavity in the main shaft, and the wheel hub is mounted on the master
The first end of axis and first installation cavity is connected with second installation cavity；
Operation rod, the first end of the operation rod are connected with the blade；
Relay device assembly, the relay device assembly are connected with the second end of the operation rod；
Oil head, the oil head are located at the second end of the main shaft, and the oil head is equipped with by oilhole, the oil head with
The relay device assembly oil circuit mutually pass to by from it is described by oilhole reception come operation oil dispensing relay device assembly, the relay
Device assembly can push the operation rod to carry out axial displacement to drive the blade under the action of operation is oily
It rotates and is further driven to the wheel hub, the main shaft and the operation rod and the blade rotates synchronously.
2. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 1, which is characterized in that described
Relay device assembly includes:
Servomotor main body, the servomotor main body is interior to be equipped with oil pocket, and the oil pocket is connected to the oil head fluid path；
Piston rod, the piston rod are connected between the servomotor main body and the second end of the operation rod, and described
One end of piston rod protrudes in the oil pocket so that the piston rod pushes the operating stick under the action of operation is oily
Component axial displacement.
3. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 2, which is characterized in that described
Servomotor main body is formed as one with the oil head, and at least part of the operation rod is threaded through first installation
In chamber and the second installation cavity.
4. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 2, which is characterized in that described
Connected between the first end and second end of main shaft by ring flange, the servomotor main body is located on the ring flange, it is described by
Oily device carries out oil communication by the oil pipe being threaded through in second installation cavity and the servomotor main body.
5. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 3 or 4, which is characterized in that
The operation rod includes:
Operating stick, the operating stick is threaded through in second installation cavity and the operating stick is connected with the piston rod；
Connecting rod, the connecting rod are located in first installation cavity and are connected with the operating stick；
Crosshead, it is described to operate the end for being erected at protrusion first installation cavity of the connecting rod；
Blade whirling arm mechanism, the crosshead connect with the blade whirling arm mechanism and the blade whirling arm mechanism by bearing with
The blade is connected, to drive the blade to rotate by the crosshead.
6. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 5, which is characterized in that described
Separately it is connected by connector between connecting rod and the operating stick and between the piston rod and the operating stick
It connects, the connector is rotation set or snap ring.
7. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 2, which is characterized in that described
Servomotor main body is located in the wheel hub, and the oil head is by being threaded through second installation cavity and first installation cavity
Interior oil pipe and the servomotor main body carry out oil communication.
8. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 7, which is characterized in that described
Operation rod includes:
Operating stick, the operating stick are connected with the piston rod；
Crosshead, it is described to operate the end with the piston rod opposite side for being erected at the operating stick；
Blade whirling arm mechanism, the crosshead connect with the blade whirling arm mechanism and the blade whirling arm mechanism by bearing with
The blade is connected, to drive the blade to rotate by the crosshead.
9. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 2, which is characterized in that also wrap
It includes:
First support, the first support are located on the outside of the oil head, and one end of the first support is mounted on the main shaft
Second end and the other end be connected with the relay device assembly.
10. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 9, which is characterized in that also
Include:
Second support, the second support are located on the outside of the first support, and one end of the second support is located at the relay
On the outside of device assembly and the other end is fixed on the outside of the second end of the main shaft by rack.
11. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 10, which is characterized in that also
Include:
Laser displacement sensor, the laser displacement sensor are located at the inside of the second support；
Reflecting disc, the reflecting disc are located on the piston rod or in the operation rod with can be with the operation rod
Rotation is synchronized, and the reflecting disc is set as its reflecting surface towards the laser displacement sensor.
12. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 9, which is characterized in that also
Include:
Magnetostrictive displacement sensor, the magnetostrictive displacement sensor are located at the free end of the oil head.
13. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 1, which is characterized in that also
Include:
Multiple stop collars, for being threaded through it in the second installation cavity that multiple stop collars are respectively provided in the main shaft
In operation rod carry out radial limit.
14. the oil-free Kaplan turbine structure of the wheel hub of hydraulic operation according to claim 1, which is characterized in that institute
Oil head is stated for receiving the operation oil of 10MPa~25MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229066.2A CN109236539A (en) | 2018-10-22 | 2018-10-22 | A kind of Kaplan turbine structure that the wheel hub of hydraulic operation is oil-free |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229066.2A CN109236539A (en) | 2018-10-22 | 2018-10-22 | A kind of Kaplan turbine structure that the wheel hub of hydraulic operation is oil-free |
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| Publication Number | Publication Date |
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| CN109236539A true CN109236539A (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811229066.2A Pending CN109236539A (en) | 2018-10-22 | 2018-10-22 | A kind of Kaplan turbine structure that the wheel hub of hydraulic operation is oil-free |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110566392A (en) * | 2019-09-19 | 2019-12-13 | 湖南云箭集团有限公司 | External rotating wheel servomotor structure |
| CN110671253A (en) * | 2019-09-19 | 2020-01-10 | 湖南云箭集团有限公司 | Shaft extension through-flow Kaplan turbine |
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| CN110671253A (en) * | 2019-09-19 | 2020-01-10 | 湖南云箭集团有限公司 | Shaft extension through-flow Kaplan turbine |
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Application publication date: 20190118 |