CN111692144A - Impeller lifting and rotating system - Google Patents
Impeller lifting and rotating system Download PDFInfo
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- CN111692144A CN111692144A CN202010360643.2A CN202010360643A CN111692144A CN 111692144 A CN111692144 A CN 111692144A CN 202010360643 A CN202010360643 A CN 202010360643A CN 111692144 A CN111692144 A CN 111692144A
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- Prior art keywords
- impeller
- lifting
- oil
- motor
- communicated
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- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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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
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
- F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
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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
- F03B15/00—Controlling
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- 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model provides an impeller lift gyration system belongs to trend energy power generation facility technical field. The installation stand column is placed in the sea, and the installation stand column is inserted and fixed on the working platform. The connecting sleeve is coaxially sleeved on the mounting upright post, the impeller rotating platform is sleeved on the connecting sleeve and is rotatably connected with the connecting sleeve, an impeller in the tidal current energy generator can be mounted on the impeller rotating platform, the impeller is driven by kinetic energy of seawater, and a machine driven by the rotation of the impeller drives the generator set to be finally converted into electric energy. The driving part fixed on the connecting sleeve in the impeller mounting unit can drive the impeller rotating platform to rotate around the axis of the mounting upright post, so that the impeller rotating platform can be driven to rotate through the driving part, the impeller on the impeller rotating platform can rotate to the position where tidal current energy is the largest, the impeller can utilize more tidal current energy to generate electricity, and the utilization rate of the tidal current energy generator to the tidal current energy can be improved.
Description
Technical Field
The disclosure relates to the technical field of tidal current energy power generation devices, in particular to an impeller lifting and rotating system.
Background
Tidal current energy refers to kinetic energy of tidal water flow, and mainly refers to energy caused by periodic fluctuation of seawater on the surface of the earth due to the gravitational force of moon, sun and the like. The method has the characteristics of strong regularity, predictability, small influence on marine environment, no land resource occupation, high energy density and the like. More and more countries are beginning to vigorously develop tidal energy power generation projects. The operating principle of the tidal current energy generator is that the kinetic energy of seawater drives an impeller, and a generator set is driven by a mechanical rotating impeller to be converted into electric energy finally.
In the related technology, the tidal current energy generator at least comprises an installation upright post, a generator platform and an impeller, wherein the installation upright post is fixed in the sea, the generator platform is fixed on the installation upright post, the generator platform is positioned on the sea surface, the impeller is installed on the installation upright post through a shaft system structure, and the impeller can rotate relative to a shaft system. However, the overall direction of the impeller relative to the installation upright post is not changed, and the problem that the tidal current energy generator has low utilization rate of tidal current energy is easy to occur.
Disclosure of Invention
The embodiment of the disclosure provides an impeller lifting and rotating system, which can improve the utilization rate of tidal current energy of a tidal current energy generator to tidal current energy. The technical scheme is as follows:
the disclosed embodiment provides an impeller lifting and rotating system, which comprises an impeller lifting and rotating module, wherein the impeller lifting and rotating module comprises a mounting unit and an impeller mounting unit,
the mounting unit comprises a mounting upright post and a working platform, and the mounting upright post is inserted and fixed on the working platform;
the impeller installation unit comprises a connecting sleeve, an impeller rotary platform and a driving piece, the connecting sleeve is coaxially sleeved on the installation stand column, the impeller rotary platform is sleeved on the connecting sleeve, the impeller rotary platform is connected with the connecting sleeve in a rotating mode, the driving piece is fixed on the connecting sleeve, and the driving piece is used for driving the impeller rotary platform to wind the axis of the installation stand column to rotate.
Optionally, a coaxial annular supporting plate is arranged on the peripheral wall of the connecting sleeve, and one surface, far away from the working platform, of the impeller rotating platform is rotatably arranged on the annular supporting plate.
Optionally, the impeller rotating platform is provided with a first gear ring, the annular support plate is provided with a second gear ring meshed with the first gear ring, and balls are arranged between the first gear ring and the second gear ring.
Optionally, the connecting sleeve further has a coaxial annular limiting plate, and the impeller rotating platform is located between the annular supporting plate and the annular limiting plate.
Optionally, the impeller lifting and rotating system further comprises at least two lifting units and a latch unit,
the at least two lifting units are distributed along the circumferential direction of the installation upright post, each lifting unit comprises a lifting rod, a first ring beam, a second ring beam and a lifting oil cylinder, the lifting rod is inserted on the working platform and fixed on the installation upright post in a manner that the lifting rod is parallel to the installation upright post, one end of the lifting rod is fixed with the connecting sleeve,
the first ring beam and the second ring beam are sleeved on the lifting rod at intervals, the second ring beam is fixedly connected with the working platform, two ends of the lifting oil cylinder are respectively hinged with the first ring beam and the second ring beam, the telescopic direction of the lifting oil cylinder is parallel to the axial direction of the mounting upright column, a plurality of rows of bolt holes are arranged on the lifting rod in the circumferential direction,
the bolt unit comprises a bolt oil cylinder and a locking bolt connected with a piston rod of the bolt oil cylinder, the bolt oil cylinder is arranged on the first ring beam and the second ring beam, and the locking bolt is used for extending into a bolt hole in the lifting rod.
Optionally, the driving member is a driving motor, the impeller lifting and rotating system further comprises a hydraulic control module, the hydraulic control module comprises an output pump unit and an impeller rotating platform hydraulic unit, the output pump unit comprises a first output pump and an oil tank, an input end of the first output pump is communicated with the oil tank,
the impeller rotating platform hydraulic unit comprises a motor three-position four-way reversing valve and a pressure-stabilizing three-position four-way reversing valve, wherein a P oil port of the motor three-position four-way reversing valve is communicated with the output end of the first output pump, an A oil port of the motor three-position four-way reversing valve is communicated with the P oil port of the pressure-stabilizing three-position four-way reversing valve, a B oil port of the motor three-position four-way reversing valve is communicated with a T oil port of the pressure-stabilizing three-position four-way reversing valve, the T oil port of the motor three-position four-way reversing valve is communicated with the oil tank, the A oil port of the pressure-stabilizing three-position four-way reversing valve is communicated with the A oil port of the driving motor, and the B.
Optionally, the impeller rotation platform hydraulic unit further includes a first motor safety valve and a second motor safety valve, an oil inlet of the first motor safety valve is communicated with an oil port a of the pressure-stabilizing three-position four-way reversing valve, a control oil port of the first motor safety valve is communicated with an oil inlet of the first motor safety valve, an oil outlet of the first motor safety valve is communicated with an oil port B of the pressure-stabilizing three-position four-way reversing valve, an oil inlet of the second motor safety valve is communicated with an oil port B of the pressure-stabilizing three-position four-way reversing valve, a control oil port of the second motor safety valve is communicated with an oil inlet of the second motor safety valve, and an oil outlet of the second motor safety valve is communicated with an oil port a of the pressure-stabilizing three-position four-way reversing valve.
Optionally, the hydraulic unit of the impeller rotating platform further includes a first motor check valve and a second motor check valve, an oil inlet of the first motor check valve and an oil inlet of the second motor check valve are both communicated with a T oil port of the pressure-stabilizing three-position four-way reversing valve, an oil outlet of the first motor check valve is communicated with an a oil port of the driving motor, and an oil outlet of the second motor check valve is communicated with a B oil port of the driving motor.
Optionally, the hydraulic unit of the impeller rotating platform further includes a third motor check valve, an oil inlet of the third motor check valve is communicated with an oil drain port of the driving motor, and an oil outlet of the third motor check valve is communicated with the oil tank.
Optionally, the output pump unit further comprises a second output pump, an input end of the second output pump is communicated with the oil tank,
the hydraulic control module also comprises a lifting control unit, the lifting control unit comprises a lifting three-position four-way reversing valve and a locking three-position four-way reversing valve,
the output end of the first output pump is communicated with the P oil port of the lifting three-position four-way reversing valve, the A oil port of the lifting three-position four-way reversing valve is communicated with the rod cavity of the lifting oil cylinder, the B oil port of the lifting three-position four-way reversing valve is communicated with the rodless cavity of the lifting oil cylinder, the T oil port of the lifting three-position four-way reversing valve is communicated with the oil tank,
the output end of the second output pump is communicated with the P oil port of the locking three-position four-way reversing valve, the A oil port of the locking three-position four-way reversing valve is communicated with the rod cavity of the bolt oil cylinder, the B oil port of the locking three-position four-way reversing valve is communicated with the rodless cavity of the bolt oil cylinder, and the T oil port of the locking three-position four-way reversing valve is communicated with the oil tank.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure include:
the impeller lifting and rotating system comprises an impeller rotating and lifting module, and the impeller rotating and lifting module comprises an installation unit and an impeller installation unit. The installation unit comprises an installation upright post and a working platform, the installation upright post is placed in the sea, and the installation upright post is inserted and fixed on the working platform. The impeller installation unit comprises a connecting sleeve, an impeller rotating platform and a driving piece, the connecting sleeve is coaxially sleeved on the installation upright post, the impeller rotating platform is sleeved on the connecting sleeve and is rotatably connected with the connecting sleeve, an impeller in the tidal current energy generator can be installed on the impeller rotating platform, the impeller is driven by kinetic energy of seawater, and a mechanical driving generator set driven by the rotation of the impeller can be finally converted into electric energy. The driving part fixed on the connecting sleeve in the impeller mounting unit can drive the impeller rotating platform to rotate around the axis of the mounting upright post, so that the impeller rotating platform can be driven to rotate through the driving part, the impeller on the impeller rotating platform can rotate to the position where tidal current energy is the largest, the impeller can utilize more tidal current energy to generate electricity, and the utilization rate of the tidal current energy generator to the tidal current energy can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive efforts,
FIG. 1 is a schematic structural diagram of an impeller lifting and rotating system provided in an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a mounting unit provided in an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a hydraulic control module provided by an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an impeller lifting and rotating system provided in an embodiment of the present disclosure, and as can be seen from fig. 1, the impeller lifting and rotating system includes an impeller lifting and rotating module 1, and the impeller lifting and rotating module 1 includes a mounting unit 11 and an impeller mounting unit 12. The mounting unit 11 includes a mounting pillar 111 and a working platform 112, and the mounting pillar 111 is inserted and fixed on the working platform 112. The impeller installation unit 12 includes a connection sleeve 121, an impeller rotation platform 122 and a driving member 123, the connection sleeve 121 is coaxially sleeved on the installation upright column 111, the impeller rotation platform 122 is sleeved on the connection sleeve 121, the impeller rotation platform 122 is rotatably connected with the connection sleeve 121, the driving member 123 is fixed on the connection sleeve 121, and the driving member 123 is used for driving the impeller rotation platform 122 to rotate around the axis of the installation upright column 111.
The impeller lifting and rotating system comprises an impeller rotating and lifting module 1, and the impeller rotating and lifting module 1 comprises a mounting unit 11 and an impeller mounting unit 12. The mounting unit 11 includes a mounting pillar 111 and a working platform 112, the mounting pillar 111 is placed in the sea, and the mounting pillar 111 is inserted and fixed on the working platform 112. The impeller installation unit 12 comprises a connecting sleeve 121, an impeller rotating platform 122 and a driving part 123, the connecting sleeve 121 is coaxially sleeved on the installation upright column 111, the impeller rotating platform 122 is sleeved on the connecting sleeve 121, the impeller rotating platform 122 is rotatably connected with the connecting sleeve 121, an impeller in the tidal current energy generator can be installed on the impeller rotating platform 122, the impeller is driven by kinetic energy of seawater, and a machine driven by the rotation of the impeller can finally convert the generator set into electric energy. The driving member 123 fixed on the connecting sleeve 121 in the impeller mounting unit 12 can drive the impeller rotating platform 122 to rotate around the axis of the mounting upright column 111, so that the impeller rotating platform 122 can be driven to rotate through the driving member 123, the impeller on the impeller rotating platform 122 can rotate to the position where the tidal current energy is maximum, the impeller can utilize more tidal current energy to generate electricity, and the utilization rate of the tidal current energy generator to the tidal current energy can be improved.
It should be noted that the position where the tidal current energy is maximum can be determined through manual experience or according to meteorological parameters, and the disclosure is not limited thereto.
Fig. 2 is a schematic structural diagram of the mounting unit provided in the embodiment of the present disclosure, and referring to fig. 2, the driving element 123 may be a driving motor 123a, the driving motor 123a is fixed on the connecting sleeve 121, a transmission gear 124 is coaxially fixed on an output shaft of the driving motor 123a, the impeller rotating platform 122 has a rotating ring gear 122a, and teeth of the transmission gear 124 are meshed with the rotating ring gear 122 a.
The driving motor 123a is fixed on the connecting sleeve 121, the output shaft of the driving motor 123a is coaxially fixed with the transmission gear 124, the impeller rotating platform 122 is provided with a rotating gear ring 122a, and the teeth of the transmission gear 124 are meshed with the rotating gear ring 122a, so that the rotation of the impeller rotating platform 122 is facilitated.
Alternatively, the impeller rotating platform 122 may be a box-shaped structure, the impeller rotating platform 122 has a through hole 122b for sealing and matching with the connecting sleeve 121, the driving motor 123a is fixed on the connecting sleeve 121, and the driving motor 123a is located in the impeller rotating platform 122.
The impeller rotating platform 122 is provided with a through hole 122b which is used for being in sealing fit with the connecting sleeve 121, the driving motor 123a is fixed on the connecting sleeve 121, and the driving motor 123a is positioned in the impeller rotating platform 122, so that the driving motor 123a can be protected, and the service life of the impeller lifting rotating system can be prolonged.
Referring to fig. 2, the connecting sleeve 121 may have a coaxial annular supporting plate 125 on its outer circumferential wall, and the side of the impeller rotating platform 122 away from the working platform 112 is rotatably disposed on the annular supporting plate 125.
Coaxial annular support plate 125 is provided on the peripheral wall of connecting sleeve 121, and the one side that work platform 112 was kept away from to impeller revolving platform 122 rotationally sets up on annular support plate 125, and annular support plate 125 on the connecting sleeve 121 then can support impeller revolving platform 122, reduces that impeller revolving platform 122 receives the gliding condition of gravity and appears, guarantees impeller revolving platform 122's stable work.
Alternatively, the number of the driving motors 123a may be set to 3, and the 3 driving motors 123a are equidistantly spaced along the circumferential direction of the connection sleeve 121. Facilitating stable driving of the impeller rotating platform 122.
In other implementations provided by the present disclosure, at least one drive motor 123a may also be provided for driving the impeller rotating platform 122. The present disclosure is not so limited.
Referring to fig. 2, the impeller rotating platform 122 may have a first gear ring 122c thereon, the annular support plate 125 has a second gear ring 125a engaged with the first gear ring 122c, and balls 126 are disposed between the first gear ring 122c and the second gear ring 125 a.
The first gear ring 122c on the impeller rotating platform 122 may be engaged with the second gear ring 125a on the annular support plate 125, when the driving motor 123a drives the impeller rotating platform 122, the first gear ring 122c and the second gear ring 125a are engaged to rotate, so that the stable rotation of the impeller rotating platform 122 may be ensured, and the balls 126 are provided between the first gear ring 122c and the second gear ring 125a, so that the friction between the impeller rotating platform 122 and the annular support plate 125 may be reduced, and the stable rotation of the impeller rotating platform 122 may be ensured.
For example, the first ring gear 122c of the impeller rotating platform 122 may be disposed on a surface of the impeller rotating platform 122. Is convenient for manufacture and matching installation.
Optionally, the connecting sleeve 121 may further have a coaxial ring-shaped limiting plate 127, and the impeller rotating platform 122 is located between the ring-shaped supporting plate 125 and the ring-shaped limiting plate 127.
The impeller rotating platform 122 is located between the annular supporting plate 125 and the annular limiting plate 127, and the annular supporting plate 125 and the annular limiting plate 127 can limit the impeller rotating platform 122 in the axial direction of the installation column 111, so that the possibility that the impeller rotating platform 122 moves up and down due to tidal current impact is reduced, and the stable work of an impeller on the impeller rotating platform 122 is ensured.
Referring to fig. 2, the mating relationship between the annular retainer plate 127 and the impeller rotating platform 122 may be the same as the mating relationship between the impeller rotating platform 122 and the annular support plate 125, with the meshing of the gear rings and the reduction of friction provided by the balls 126. Stable rotation of the impeller rotating platform 122 can be ensured.
For example, in other implementation manners provided by the present disclosure, the impeller rotating platform 122 and the connecting sleeve 121 may also be configured to be rotationally connected through a bearing, which is not limited by the present disclosure.
Referring to fig. 1, the impeller lifting and rotating system may further include at least two lifting units 13 and a latch unit 14. At least two lifting units 13 are distributed along the circumferential direction of the mounting column 111, each lifting unit 13 comprises a lifting rod 131, a first ring beam 132, a second ring beam 133 and a lifting cylinder 134, the lifting rod 131 is inserted on the working platform 112, the lifting rod 131 is fixed on the mounting column 111 in parallel with the mounting column 111, and one end of the lifting rod 131 is fixed with the connecting sleeve 121.
The first ring beam 132 and the second ring beam 133 are sleeved on the lifting rod 131 at intervals, the second ring beam 133 is fixedly connected with the working platform 112, two ends of the lifting oil cylinder 134 are hinged with the first ring beam 132 and the second ring beam 133 respectively, the telescopic direction of the lifting oil cylinder 134 is parallel to the axial direction of the upright column 111, and a plurality of rows of bolt holes 131a are formed in the circumferential direction of the lifting rod 131.
The latch unit 14 includes a latch cylinder 141 and a locking latch (not shown) connected to a piston rod of the latch cylinder 141, the first ring beam 132 and the second ring beam 133 are both provided with the latch cylinder 141, and the locking latch is configured to extend into a latch hole 131a of the lifting rod 131.
In the lifting unit 13, the latch cylinder 141 of the first ring beam 132 or the second ring beam 133 may control the locking latch to extend into or withdraw from the latch hole 131a of the lifting rod 131, so as to lock the lifting rod 131 with the first ring beam 132 or the second ring beam 133. When the bolt cylinder 141 on the first ring beam 132 controls the locking bolt to be in a state of extending into the bolt hole 131a, the locking bolt on the second ring beam 133 can be in a state of being drawn out of the bolt hole 131a, at this time, if the lifting cylinder 134 retracts, the lifting cylinder 134 can drive the second ring beam 133 to ascend together with the working platform 112, and if the lifting cylinder 134 extends, the lifting cylinder 134 can drive the second ring beam 133 to descend together with the working platform 112. The distance between the working platform 112 and the impeller rotating platform 122 at one end of the lifting rod 131 can be conveniently adjusted, and then the impeller on the impeller rotating platform 122 can be conveniently maintained and adjusted.
In the embodiment provided in the present disclosure, the lifting units 13 are provided in two. The manufacturing cost can be reduced while the effect is improved.
Alternatively, the lift cylinders 134 in each lift unit 13 may be provided in two, equally spaced apart, around the outer peripheral wall of the lift rod 131. The effect of lifting the work platform 112 is better.
For example, two latch cylinders 141 may be provided on the first ring beam 132, and the two latch cylinders 141 are equidistantly spaced along the circumference of the lifting rod 131. Facilitating the lifting of the work platform 112.
In other implementations provided by the present disclosure, the number of the lifting units 13, the number of the lifting cylinders 134, and the number of the latch cylinders 141 may also be adjusted, which is not limited by the present disclosure.
Referring to fig. 2, the connection sleeve 121 may include a connection section 121a and a support section 121b, a first end of the connection section 121a is connected to the lifting rod 131, a second end of the connection section 121a is connected to the support section 121b, an area of a cross section of the connection section 121a is gradually reduced in a direction from the connection section 121a to the support section 121b, and an area of a cross section of the support section 121b is not changed.
The first end of the connecting section 121a is connected with the lifting rod 131, the second end of the connecting section 121a is connected with the supporting section 121b, the area of the cross section of the connecting section 121a is gradually reduced in the direction from the connecting section 121a to the supporting section 121b, the area of the cross section of the supporting section 121b is unchanged, the strength of the end, connected with the lifting rod 131, of the connecting section 121a is better, the stable connection between the connecting section 121a and the lifting rod 131 can be ensured, the cross section of the supporting section 121b is unchanged, the manufacturing cost can be reduced, and the assembly and disassembly of the impeller rotating platform 122 are facilitated.
Illustratively, the impeller rotating platform 122 may be mounted on the support section 121 b. The disassembly and assembly are convenient, and the connection state is stable.
It should be noted that, in the implementation provided by the present disclosure, the cross section of the connecting section 121a is a plane perpendicular to the axial direction of the connecting section 121a, and the plane taken on the connecting section 121a is the same as the cross section of the supporting section 121 b.
Optionally, the impeller lift rotation system further comprises a hydraulic control module 2 (not shown in fig. 1 and 2). The hydraulic control module 2 may be used to control the operating states of the drive motor 123a, lift cylinder 134, and latch cylinder 141. The stable work of the impeller lifting and rotating system is ensured.
Fig. 3 is a schematic diagram of a hydraulic control module provided in an embodiment of the present disclosure, and as can be seen from fig. 3, the hydraulic control module 2 may include an output pump unit 21 and an impeller rotation platform hydraulic unit 22, the output pump unit 21 includes a first output pump 211 and a tank 212, and an input end of the first output pump 211 is communicated with the tank 212.
The impeller rotating platform hydraulic unit 22 comprises a motor three-position four-way reversing valve 221 and a pressure-stabilizing three-position four-way reversing valve 222, wherein an oil port P of the motor three-position four-way reversing valve 221 is communicated with the output end of the first output pump 211, an oil port A of the motor three-position four-way reversing valve 221 is communicated with an oil port P of the pressure-stabilizing three-position four-way reversing valve 222, an oil port B of the motor three-position four-way reversing valve 221 is communicated with an oil port T of the pressure-stabilizing three-position four-way reversing valve 222, the oil port T of the motor three-position four-way reversing valve 221 is communicated with the oil tank 212, the oil port A of the pressure-stabilizing three-position four-way reversing valve 222 is communicated with an oil port.
The first output pump 211 in the output pump unit 21 may pump oil from the oil tank 212 and deliver the oil to the vane rotary platform hydraulic unit 22 for operation. The motor three-position four-way reversing valve 221 in the impeller rotating platform hydraulic unit 22 is located at the left or right working position, the pressure-stabilizing three-position four-way reversing valve 222 is located at the right working position, and oil enters the motor three-position four-way reversing valve 221 and the pressure-stabilizing three-position four-way reversing valve 222 from the first output pump 211 in sequence and finally flows to the driving motor 123a, and the driving motor 123a works. When the valve core of the motor three-position four-way reversing valve 221 is located at the left position or the right position, the driving motor 123a respectively rotates forward or backward, and then the impeller rotating platform 122 is driven to rotate forward or backward. When the pressure-stabilizing three-position four-way selector valve 222 is in the left position or the middle position, the pressure-stabilizing three-position four-way selector valve 222 and the motor three-position four-way selector valve 221 are not connected, and the oil path of the drive motor 123a is cut off when there is a fault. And when the pressure stabilizing three-position four-way directional valve 222 is in the left position, the oil pressures of the oil port a and the oil port B of the driving motor 123a can be balanced, and the driving motor 123a can enter a working state at any time when the driving pump unit 21 supplies oil.
Referring to fig. 3, the impeller rotation platform hydraulic unit 22 may further include a first motor safety valve 223 and a second motor safety valve 224, an oil inlet of the first motor safety valve 223 is communicated with the oil port a of the pressure stabilizing three-position four-way reversing valve 222, a control oil port of the first motor safety valve 223 is communicated with an oil inlet of the first motor safety valve 223, an oil outlet of the first motor safety valve 223 is communicated with the oil port B of the pressure stabilizing three-position four-way reversing valve 222, an oil inlet of the second motor safety valve 224 is communicated with the oil port B of the pressure stabilizing three-position four-way reversing valve 222, a control oil port of the second motor safety valve 224 is communicated with an oil inlet of the second motor safety valve 224, and an oil outlet of the second motor safety valve 224 is communicated with the oil port a of the pressure stabilizing three-position four.
The first motor relief valve 223 may limit the oil pressure of the oil entering the port a of the driving motor 123a, and the second motor relief valve 224 may limit the oil pressure of the oil entering the port B of the driving motor 123a, thereby ensuring that the driving motor 123a may stably operate.
Optionally, the vane wheel rotating platform hydraulic unit 22 may further include a first motor check valve 225 and a second motor check valve 226, an oil inlet of the first motor check valve 225 and an oil inlet of the second motor check valve 226 are both communicated with the T oil port of the pressure stabilizing three-position four-way reversing valve 222, an oil outlet of the first motor check valve 225 is communicated with the a oil port of the driving motor 123a, and an oil outlet of the second motor check valve 226 is communicated with the B oil port of the driving motor 123 a.
The first motor check valve 225 and the second motor check valve 226 can maintain pressure of the driving motor 123a, avoid leakage of oil of the hydraulic motor, and also can supplement oil to the driving motor 123a through an oil return path of the pressure-stabilizing three-position four-way reversing valve 222.
Optionally, the wheel revolving platform hydraulic unit 22 further includes a third motor check valve 227, an oil inlet of the third motor check valve 227 is communicated with the oil drain port of the driving motor 123a, and an oil outlet of the third motor check valve 227 is communicated with the oil tank 212. The third motor check valve 227 establishes a back pressure to the drain port of the drive motor 123 a.
Referring to fig. 3, the output pump unit 21 may further include a hydraulic control relief valve 214, an oil inlet of the hydraulic control relief valve 214 is communicated with the output end of the first output pump 211, a control oil outlet of the hydraulic control relief valve 214 is communicated with the oil inlet of the hydraulic control relief valve 214, and an oil outlet of the hydraulic control relief valve 214 is communicated with the oil tank 212. The hydraulic control port of the hydraulic control relief valve 214 is communicated with the P port of the two-position two-way reversing valve 215, and the T port of the two-position two-way reversing valve 215 is communicated with the oil tank 212.
When the two-position two-way directional valve 215 is energized and is not conductive, the pilot-operated relief valve 214 functions as a relief valve. The pilot-operated relief valve 214 can ensure that the safe operating pressure of the drive motor 123a does not exceed the set pressure value of the pilot-operated relief valve 214. When the two-position two-way selector valve 215 is turned on due to a power loss, the output pressure level of the pilot-operated relief valve 214 is zero, and the pilot-operated relief valve 214 relieves the pressure at the outlet of the first output pump 211.
Referring to fig. 3, when a plurality of driving motors 123a are provided, a corresponding pressure-stabilizing three-position four-way selector valve 222, a first and a second motor safety valves, and a first, a second and a third motor check valve may be provided for each driving motor 123 a.
Referring to fig. 3, the output pump unit 21 may further include a second output pump 213, and an input end of the second output pump 213 is communicated with the oil tank 212. The hydraulic control module further includes a lift control unit 23, and the lift control unit 23 includes a lift three-position four-way selector valve 231 and a lock three-position four-way selector valve 232. The output end of the first output pump 211 is communicated with a P oil port of the lifting three-position four-way reversing valve 231, an a oil port of the lifting three-position four-way reversing valve 231 is communicated with a rod cavity of the lifting oil cylinder 134, a B oil port of the lifting three-position four-way reversing valve 231 is communicated with a rodless cavity of the lifting oil cylinder 134, and a T oil port of the lifting three-position four-way reversing valve 231 is communicated with the oil tank 212.
The output end of the second output pump 213 is communicated with the P oil port of the locking three-position four-way reversing valve 232, the a oil port of the locking three-position four-way reversing valve 232 is communicated with the rod cavity of the bolt oil cylinder 141, the B oil port of the locking three-position four-way reversing valve 232 is communicated with the rodless cavity of the bolt oil cylinder 141, and the T oil port of the locking three-position four-way reversing valve 232 is communicated with the oil tank 212.
The three-position four-way switching valve 231 for lifting in the lifting control unit 23 is in the left or right working position, and the three-position four-way switching valve 232 for locking is also in the left or right working position. The first output pump 211 can pump oil and deliver the oil to the lifting three-position four-way reversing valve 231, the oil flows into the rod cavity of the lifting oil cylinder 134 again to realize oil inlet of the rod cavity of the lifting oil cylinder 134, and the piston rod of the lifting oil cylinder 134 extends out to work. Similarly, the second output pump 213 may pump oil to the latching three-position, four-way reversing valve 232, and the oil may then enter the latch cylinder 141 for operation.
It should be noted that the output power of the second output pump 213 may be smaller than the output power of the first output pump 211. The overall consumption is reduced.
Referring to fig. 3, the lift control unit 23 may further include a pilot operated relief valve 233, a first check valve 234, a pilot operated check valve 235, a lift relief valve 236, and a second check valve 237. An oil inlet and an oil outlet of the hydraulic control safety valve 233 are respectively communicated with an oil port B of the lifting three-position four-way reversing valve 231 and a rodless cavity of the lifting oil cylinder 134, a control oil port of the hydraulic control safety valve 233 is communicated with an oil outlet of the hydraulic control safety valve 233, and a hydraulic control oil port of the hydraulic control safety valve 233 is communicated with an oil port a of the lifting three-position four-way reversing valve 231. An oil inlet and an oil outlet of the first check valve 234 are respectively communicated with an oil inlet and an oil outlet of the pilot operated relief valve 233.
The control oil port of the hydraulic control check valve 235 is communicated with the oil port B of the lifting three-position four-way reversing valve 231, the oil inlet of the hydraulic control check valve 235 is communicated with the oil port A of the lifting three-position four-way reversing valve 231, the oil outlet of the hydraulic control check valve 235 is communicated with the oil inlet of the lifting safety valve 236, the control oil port of the lifting safety valve 236 is communicated with the oil inlet of the lifting safety valve 236, and the oil outlet of the lifting safety valve 236 is communicated with the rod cavity of the lifting oil cylinder 134. An oil inlet and an oil outlet of the second check valve 237 are respectively communicated with an oil inlet and an oil outlet of the lift relief valve 236.
When the first output pump 211 does not deliver oil to the lift cylinder 134, the lift relief valve 236 and the pilot operated check valve 235 can respectively establish back pressures of a rodless cavity and a rod cavity of the lift cylinder 134, so as to ensure that the oil in the lift cylinder 134 does not flow out and the lift cylinder 134 does not move. When oil enters the lifting cylinder 134, the hydraulic control port of the lifting safety valve 236 or the control port of the pilot check valve 235 is turned on, so as to form a state that the lifting cylinder 134 has a rod cavity or a rodless cavity, and one cavity enters the other cavity and exits. The lift cylinder 134 can be stably operated.
Illustratively, a hydraulic lock 238 may be provided between the latch cylinder 141 and the lock three-position, four-way reversing valve 232. The working stability of the latch oil cylinder 141 is improved.
Although the present invention has been described with reference to the above embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. An impeller lifting and rotating system is characterized in that the impeller lifting and rotating system comprises an impeller rotating and lifting module (1), the impeller rotating and lifting module (1) comprises a mounting unit (11) and impeller mounting units (12) and (11),
the mounting unit (11) comprises a mounting upright post (111) and a working platform (112), and the mounting upright post (111) is inserted and fixed on the working platform (112);
impeller installation unit (12) (11) include adapter sleeve (121), impeller rotary platform (122) and driving piece (123), adapter sleeve (121) coaxial cover is established on installation stand (111), impeller rotary platform (122) cover is established on adapter sleeve (121), impeller rotary platform (122) with adapter sleeve (121) rotate to be connected, driving piece (123) are fixed on adapter sleeve (121), just driving piece (123) are used for the drive impeller rotary platform (122) wind the axis of installation stand (111) rotates.
2. The impeller lifting and rotating system according to claim 1, wherein the connecting sleeve (121) is provided with a coaxial annular supporting plate (125) on the outer peripheral wall, and the surface of the impeller rotating platform (122) far away from the working platform (112) is rotatably arranged on the annular supporting plate (125).
3. The impeller lift rotation system of claim 2, wherein the impeller rotation platform (122) has a first gear ring (122c) thereon, the annular support plate (125) has a second gear ring (125a) thereon engaged with the first gear ring (122c), and the first gear ring (122c) and the second gear ring (125a) have balls (126) therebetween.
4. The impeller lift rotation system of claim 2, wherein the connection sleeve (121) further has a coaxial ring-shaped restriction plate (127), the impeller rotation platform (122) being located between the ring-shaped support plate (125) and the ring-shaped restriction plate (127).
5. An impeller lifting and rotating system according to any of the claims 1 to 4, characterized in that it further comprises at least two lifting units (13) and a latch unit (14),
the at least two lifting units (13) are distributed along the circumferential direction of the mounting upright post (111), each lifting unit (13) comprises a lifting rod (131), a first ring beam (132), a second ring beam (133) and a lifting oil cylinder (134), the lifting rods (131) are inserted on the working platform (112), the lifting rods (131) are fixed on the mounting upright post (111) in parallel with the mounting upright post (111), and one end of each lifting rod (131) is fixed with the connecting sleeve (121),
the first ring beam (132) and the second ring beam (133) are sleeved on the lifting rod (131) at intervals, the second ring beam (133) is fixedly connected with the working platform (112), two ends of the lifting oil cylinder (134) are respectively hinged with the first ring beam (132) and the second ring beam (133), the telescopic direction of the lifting oil cylinder (134) is parallel to the axial direction of the mounting upright post (111), and a plurality of rows of bolt holes (131a) are formed in the circumferential direction of the lifting rod (131),
the bolt unit (14) comprises a bolt oil cylinder (141) and a locking bolt connected with a piston rod of the bolt oil cylinder (141), the bolt oil cylinder (141) is arranged on the first ring beam (132) and the second ring beam (133), and the locking bolt is used for extending into a bolt hole (131a) in the lifting rod (131).
6. The impeller lifting and rotating system according to claim 5, characterized in that the driving member (123) is a driving motor (123a), the impeller lifting and rotating system further comprises a hydraulic control module (2), the hydraulic control module (2) comprises an output pump unit (21) and an impeller rotating platform hydraulic unit (22), the output pump unit (21) comprises a first output pump (211) and a tank (212), an input end of the first output pump (211) is communicated with the tank (212),
the impeller rotating platform hydraulic unit (22) comprises a motor three-position four-way reversing valve (221) and a pressure-stabilizing three-position four-way reversing valve (222), the oil port P of the motor three-position four-way reversing valve (221) is communicated with the output end of the first output pump (211), an oil port A of the motor three-position four-way reversing valve (221) is communicated with an oil port P of the pressure stabilizing three-position four-way reversing valve (222), an oil port B of the motor three-position four-way reversing valve (221) is communicated with an oil port T of the pressure stabilizing three-position four-way reversing valve (222), the T oil port of the motor three-position four-way reversing valve (221) is communicated with the oil tank (212), the oil port A of the pressure-stabilizing three-position four-way reversing valve (222) is communicated with the oil port A of the driving motor (123a), and the oil port B of the pressure-stabilizing three-position four-way reversing valve (222) is communicated with the oil port B of the driving motor (123 a).
7. The impeller lift swing system of claim 6, wherein the impeller swing platform hydraulic unit (22) further comprises a first motor safety valve (223) and a second motor safety valve (224), an oil inlet of the first motor safety valve (223) is in communication with the A oil port of the surge tank three-position four-way selector valve (222), a control oil port of the first motor safety valve (223) is in communication with an oil inlet of the first motor safety valve (223), an oil outlet of the first motor safety valve (223) is in communication with the B oil port of the surge tank three-position four-way selector valve (222), an oil inlet of the second motor safety valve (224) is in communication with the B oil port of the surge tank three-position four-way selector valve (222), a control oil port of the second motor safety valve (224) is in communication with the B oil port of the second motor safety valve (224), and an oil outlet of the second motor safety valve (224) is in communication with the A oil port of the surge tank three-position four-way selector valve (222) The ports are communicated.
8. The impeller lift rotation system of claim 7, wherein the impeller rotation platform hydraulic unit (22) further comprises a first motor check valve (225) and a second motor check valve (226), an oil inlet of the first motor check valve (225) and an oil inlet of the second motor check valve (226) are both communicated with the T oil port of the pressure stabilizing three-position four-way reversing valve (222), an oil outlet of the first motor check valve (225) is communicated with the A oil port of the driving motor (123a), and an oil outlet of the second motor check valve (226) is communicated with the B oil port of the driving motor (123 a).
9. The impeller lift swing system of claim 8, wherein the impeller swing platform hydraulic unit (22) further includes a third motor check valve (227), an oil inlet of the third motor check valve (227) being in communication with an oil drain of the drive motor (123a), an oil outlet of the third motor check valve (227) being in communication with the oil tank (212).
10. The impeller lift rotation system according to claim 6, characterized in that the output pump unit (21) further comprises a second output pump (213), an input end of the second output pump (213) communicating with the oil tank (212),
the hydraulic control module (2) further comprises a lifting control unit (23), the lifting control unit (23) comprises a lifting three-position four-way reversing valve (231) and a locking three-position four-way reversing valve (232),
the output end of the first output pump (211) is communicated with a P oil port of the lifting three-position four-way reversing valve (231), an A oil port of the lifting three-position four-way reversing valve (231) is communicated with a rod cavity of the lifting oil cylinder (134), a B oil port of the lifting three-position four-way reversing valve (231) is communicated with a rodless cavity of the lifting oil cylinder (134), a T oil port of the lifting three-position four-way reversing valve (231) is communicated with the oil tank (212),
the output end of the second output pump (213) is communicated with a P oil port of the locking three-position four-way reversing valve (232), an A oil port of the locking three-position four-way reversing valve (232) is communicated with a rod cavity of the bolt oil cylinder (141), a B oil port of the locking three-position four-way reversing valve (232) is communicated with a rodless cavity of the bolt oil cylinder (141), and a T oil port of the locking three-position four-way reversing valve (232) is communicated with the oil tank (212).
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| CN202010360643.2A CN111692144B (en) | 2020-04-30 | 2020-04-30 | Impeller lifting and rotating system |
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