CN108747434A - A kind of direct-drive type revolving platform system based on fluid pressure composite bearing - Google Patents
A kind of direct-drive type revolving platform system based on fluid pressure composite bearing Download PDFInfo
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- CN108747434A CN108747434A CN201810870219.5A CN201810870219A CN108747434A CN 108747434 A CN108747434 A CN 108747434A CN 201810870219 A CN201810870219 A CN 201810870219A CN 108747434 A CN108747434 A CN 108747434A
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- 239000002131 composite material Substances 0.000 title claims abstract description 113
- 239000012530 fluid Substances 0.000 title claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 210000004907 gland Anatomy 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/38—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members using fluid bearings or fluid cushion supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
-
- G—PHYSICS
- G12—INSTRUMENT DETAILS
- G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
- G12B3/00—Details of movements not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Machine Tool Units (AREA)
Abstract
The direct-drive type revolving platform system based on fluid pressure composite bearing that the invention discloses a kind of, including pedestal, oil-collecting shell, composite fluid hydrostatic bearing component, electric machine assembly, circular table, the composite fluid hydrostatic bearing component is arranged on pedestal, the electric machine assembly is embedded in composite fluid hydrostatic bearing component, it is connected on the mandrel of electric machine assembly in the middle part of the circular table, the oil-collecting shell is sleeved on composite fluid hydrostatic bearing component, the upper end of oil-collecting shell coordinates with circular table sealing, and lower end and the pedestal sealing of oil-collecting shell coordinate;A kind of direct-drive type revolving platform system based on fluid pressure composite bearing of the present invention, turret systems hydrostatic support journal bearing and cod integration and motor are embedded in inside composite bearing, so that this turntable structure is compact, it occupies little space, precision is high, dynamic response characteristic is good, good rigidity, large carrying capacity, can be applied to various high-performance numerical control lathes, super-precision machine tools, high-precision detecting instrument.
Description
Technical field
The present invention relates to high-performance numerical control lathe, super-precision machine tools, high-precision detecting instrument high precision turntable skills
A kind of art field, and in particular to direct-drive type revolving platform system based on fluid pressure composite bearing.
Background technology
High precision turntable is mainly used for high-performance metal-cutting lathe (such as high-precision vertical lathe, vertical grinder, horizontal
The precision such as boring and milling machine machine tool), super-precision machine tools (such as single-point diamond lathe), ultraprecise detecting instrument, while navigating
It, aviation, navigation, communication (radar antenna, satellite antenna), submarine direction finder, Accuracy of High-precision Gyro Drift test table and each
Plant the fields such as High Precision Simulation and test platform also extensive application.
Rolling bearing combination is that turret systems often use one of support pattern, but this mode rotation of rotary table precision is rolled
The restriction of element bearing accuracy, it is difficult to be increased to submicron order;It is vibrated greatly during turntable use, influences machined surface quality;
Turntable is rigid contact using process middle (center) bearing, and abrasion is big, and precision stability is poor;Rolling supporting element is since its diameter is big, knot
Structure is complicated, precision is high, and cost is high.
It is also rotating table of numerical control machine bearing that open-type static pressure ring-shaped guide rail matches the support pattern combined with rolling bearing
One of mode, but this mode cannot meet high rotating accuracy demand, to improve in axial carrying capacity and axial rigidity structure
And the annular opened slide rigidity used is low, sensitive to load variation, tilting moment resistivity is poor.
Invention content
The purpose of the present invention is to overcome the shortage of prior art, and provides a kind of straight drive based on fluid pressure composite bearing
Formula revolving platform system, solves existing revolving platform is complicated, and dynamic response characteristic is poor, and precision is low, rigidity is low, bearing capacity is small etc.
Problem.
The present invention is achieved through the following technical solutions:
A kind of direct-drive type revolving platform system based on fluid pressure composite bearing, including pedestal, oil-collecting shell, composite fluid
Hydrostatic bearing component, electric machine assembly, circular table, the composite fluid hydrostatic bearing component are arranged on pedestal, the motor
Component is embedded in composite fluid hydrostatic bearing component, is connected on the mandrel of electric machine assembly in the middle part of the circular table, institute
It states oil-collecting shell to be sleeved on composite fluid hydrostatic bearing component, upper end and the circular table sealing of oil-collecting shell coordinate, and collect oilcan
The lower end of body coordinates with pedestal sealing;
The composite fluid hydrostatic bearing component includes upper thrust ring-shaped guide rail, composite bearing, outer slip ring and flow controller, institute
It is boss tube-in-tube structure to state composite bearing, and the upper thrust ring-shaped guide rail is arranged in composite bearing upper end, upper thrust ring-shaped guide rail
Groove structure is constituted with composite bearing, the outer slip ring is mounted in groove structure, and outer slip ring is with upper thrust ring-shaped guide rail and again
It closes bearing fit mounting surface and is equipped with static-pressure oil chamber, static-pressure oil chamber is by being arranged in upper thrust ring-shaped guide rail and composite bearing
Oil circuit is connect with flow controller, and the circular table is connect with outer slip ring.
A kind of direct-drive type revolving platform system based on fluid pressure composite bearing of the present invention, turret systems hydrostatic support are radial
Bearing and cod integration and motor are embedded in inside composite bearing so that and this turntable structure is compact, occupies little space,
Precision is high, and dynamic response characteristic is good, good rigidity, large carrying capacity, can be applied to various high-performance numerical control lathes, Ultra-precision Turning
Lathe, high-precision detecting instrument.
Further, the electric machine assembly includes that motor stator casing, motor stator cooling ring, motor stator and motor turn
Son, the motor stator casing are embedded in the sleeve that thrust ring-shaped guide rail and composite bearing are constituted, and the motor stator is logical
Motor stator cooling ring is crossed in motor stator casing, the rotor is located at rotation, motor stator in motor stator
Upper end be protruding with the mandrel being connect with circular table, the rotor is placed in the middle part of mandrel.
Further, it is equipped with encoder below the electric machine assembly.
Further, the upper end of the oil-collecting shell is coordinated by sealing gland ring and circular table sealing, and above-mentioned sealing gland ring is solid
Surely it is connected to the upper port of oil-collecting shell, the annular air cavity of connection, the gas vent of the annular air cavity are equipped in the sealing gland ring
It is located at sealing gland ring and seals mating surface with circular table.The gas vent is several, circumferential uniformly distributed.
Further, the static-pressure oil chamber on thrust ring-shaped guide rail bottom surface is multiple arc groove structures, multiple cambers
Groove is uniformly distributed to be arranged in a ring on thrust ring-shaped guide rail bottom surface, and each arc groove passes through oil circuit and lubricant oil feeding pipe road
On flow controller connection, filling carrying oil film is made between thrust ring-shaped guide rail and outer slip ring by static-pressure oil chamber.
Further, the static-pressure oil chamber on the composite bearing facade is multiple arc groove structures, multiple arc grooves
Uniformly distributed to be arranged in a ring on composite bearing facade, each arc groove passes through the throttling of oil circuit and lubricant oil feeding pipe road
Device connects, and makes filling carrying oil film between composite bearing facade and outer slip ring by static-pressure oil chamber.
Further, the static-pressure oil chamber on the composite bearing table top is multiple arc groove structures, multiple arc grooves
Uniformly distributed to be arranged in a ring on composite bearing table top, each arc groove passes through the throttling of oil circuit and lubricant oil feeding pipe road
Device connects, and makes filling carrying oil film between composite bearing table top and outer slip ring by static-pressure oil chamber.
Further, the flow controller is orifice restriction device, capillary restrictor, the membrane feedbacks the flow controller, guiding valve feedback
Flow controller or Slot Aperture Restrictor it is any.
Further, the oil-collecting shell and composite bearing are equipped with sealing ring with pedestal junction.
Compared with prior art, the present invention having the following advantages and advantages:
A kind of direct-drive type revolving platform system based on fluid pressure composite bearing of the present invention, turret systems hydrostatic support are radial
Bearing and cod integration and motor are embedded in inside composite bearing so that and this turntable structure is compact, occupies little space,
Precision is high, and dynamic response characteristic is good, good rigidity, large carrying capacity, can be applied to various high-performance numerical control lathes, Ultra-precision Turning
Lathe, high-precision detecting instrument.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is a kind of direct-drive type revolving platform system schematic cross-sectional view based on fluid pressure composite bearing of the present invention;
Fig. 2 is composite fluid hydrostatic bearing component oil supply structure schematic diagram of the present invention;
Fig. 3 is the structural schematic diagram of composite bearing of the present invention;
Label and corresponding parts title in attached drawing:
1- pedestals;2- oil-collecting shells;3- composite bearings;The outer slip rings of 4-;The upper thrust guide rails of 5-;6- circular tables;7- motors
Stator case;8- motor stator cooling rings;9- motor stators;10- rotors;11- mandrels;12- sealing gland rings;13- encoders;
14- annular air cavities;15- gas vents;16- flow controllers;17- static-pressure oil chambers;18- oil circuits.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figs. 1-3, a kind of direct-drive type revolving platform system based on fluid pressure composite bearing of the present invention, including pedestal
1, oil-collecting shell 2, composite fluid hydrostatic bearing component, electric machine assembly, circular table 6, the composite fluid hydrostatic bearing component
It is arranged on pedestal 1, the electric machine assembly is embedded in composite fluid hydrostatic bearing component, and the middle part of the circular table 6 connects
Be connected on the mandrel 11 of electric machine assembly, the oil-collecting shell 2 is sleeved on composite fluid hydrostatic bearing component, oil-collecting shell 2 it is upper
End coordinates with the sealing of circular table 6, and lower end and the sealing of pedestal 1 of oil-collecting shell 2 coordinate;This assembly type directly drives fluid pressure turntable
Composite fluid hydrostatic bearing is combined with straight technology of driving, and driving motor is embedded among composite bearing, and turret systems are compact-sized, is accounted for
It is small with space.Composite fluid hydrostatic bearing component provides bearing for turret systems, makes turntable while bearing radial load and axial force.
Composite bearing embeds electric machine assembly and provides power, and electric mover is connected by mandrel and circular table, drives circular table rotation
Turn.Turret systems are furnished with High-precision angle encoder, and turntable is made to have high angle position precision.
The composite fluid hydrostatic bearing component includes upper thrust ring-shaped guide rail 5, composite bearing 3, outer slip ring 4 and flow controller
16, the composite bearing 3 is boss tube-in-tube structure, and the upper thrust ring-shaped guide rail 5 is arranged in 3 upper end of composite bearing, upper thrust
Ring-shaped guide rail 5 constitutes groove structure with composite bearing 3, and the outer slip ring 4 is mounted in groove structure, outer slip ring 4 and upper thrust
Ring-shaped guide rail 5 and composite bearing 3 coordinate mounting surface to be equipped with static-pressure oil chamber, and static-pressure oil chamber is by being arranged in upper thrust ring-shaped guide rail
5 and composite bearing 3 in oil circuit connect with flow controller 16, the circular table 6 is connect with outer slip ring 4.Upper thrust ring-shaped guide rail
5, composite bearing 3 is connected by screw to form the outer cavity structure of inverted " C ", and outer slip ring 4 is mounted on anti-" C " type annular chamber (annular groove knots
Structure) in, thereon, lower face and inner cylinder face form the cooperation with certain interval with upper thrust guide rail 5, composite bearing 3.
Composite bearing 3 is mounted on by screw on pedestal 1, and outer slip ring 4 is mounted on 3 times thrust guide pass of composite bearing,
Upper thrust guide rail 5 is mounted on by screw on composite bearing 3, and upper thrust ring-shaped guide rail 5 forms anti-" C after coupling with composite bearing 3
Shape " annular chamber, outer slip ring 4 be mounted on composite fluid static pressure component it is anti-" C " and annular chamber in, 3 times thrust guide rails of composite bearing
Face, upper thrust annular guide pass, composite bearing external cylindrical surface radial direction oil pocket face are provided with static-pressure oil chamber, when turret systems work
When, for composite fluid hydrostatic bearing component by flow controller 14 respectively to 3 each static-pressure oil chamber of composite bearing, 17 fuel feeding, composite fluid is quiet
Last item bearing assembly works, and outer slip ring 4 floats, 4 upper and lower surface of outer slip ring and inner cylinder face and composite bearing 3 and upper thrust guide rail 4
Between have certain interval to form carrying oil film, wherein following table on 3 times thrust guide rails of composite bearing, upper thrust guide rail 5 and outer slide 4
Face constitutes turntable static pressure axial thrust to bear axial force, the outside cylinder radial direction oil pocket face of 3 outer surface of composite bearing and outer slide 4
Inner cylinder face constitutes turntable and supports radial support to bear radial load.
A kind of direct-drive type revolving platform system based on fluid pressure composite bearing of the present invention, turret systems hydrostatic support are radial
Bearing and cod integration and motor are embedded in inside composite bearing so that and this turntable structure is compact, occupies little space,
Precision is high, and dynamic response characteristic is good, good rigidity, large carrying capacity, can be applied to various high-performance numerical control lathes, Ultra-precision Turning
Lathe, high-precision detecting instrument.
The electric machine assembly includes motor stator casing 7, motor stator cooling ring 8, motor stator 9 and rotor 10,
The motor stator casing 7 is embedded in the sleeve that thrust ring-shaped guide rail 5 and composite bearing 3 are constituted, and the motor stator 9 is logical
Motor stator cooling ring 8 is crossed in motor stator casing 7, the rotor 10 is located at rotation in motor stator 9, described
Rotor is located at rotation in motor stator, and the upper end of motor stator is protruding with the mandrel being connect with circular table, the motor
Rotor is placed in the middle part of mandrel.Composite bearing 3 is connected by being interference fitted installation with motor stator casing 7, motor stator cooling
Ring 8 is connected by being interference fitted with motor stator casing 7, and motor stator 9 is mounted in motor stator cooling ring 8, and motor turns
Son 10 is connected by the modes such as being interference fitted or being bonded with mandrel 11, and mandrel 11 is connected by screw with circular table 6,
Circular table 6 is connected by screw with the outer slip ring 4 of composite fluid hydrostatic bearing component.When electric motor starting, rotor 10
By 11 passing power of mandrel, circular table 6 is made to rotate.Encoder 13 starts real-time acquisition angles position simultaneously, and feeds back to
Rotating platform control system forms closed-loop, realizes High-precision angle control.
Encoder 13 is equipped with below the electric machine assembly.High-precision encoder 13 is mounted on mandrel 11 and motor stator casing
On 7.
The upper end of the oil-collecting shell 2 is coordinated by sealing gland ring 12 and the sealing of circular table 6, and above-mentioned sealing gland ring 12, which is fixed, to be connected
It is connected on the upper port of oil-collecting shell 2, the annular air cavity 14 of connection, the exhaust of the annular air cavity 14 are equipped in the sealing gland ring 12
Hole 15 is located at sealing gland ring 12 and seals mating surface with circular table 6.Sealing gland ring 12 is located at oil-collecting case top, when turntable works, pressure
Contracting air is entered annular air cavity 14, then is passed through on sealing gland ring by annular air cavity by pedestal, oil-collecting enclosure interior preprocessing channel
The air blowing aperture (gas vent 15) of distribution blows form air seal outward.
Static-pressure oil chamber on 5 bottom surface of thrust ring-shaped guide rail is multiple arc groove structures, and multiple arc grooves are uniformly distributed
It is arranged in a ring on 5 bottom surface of thrust ring-shaped guide rail, each arc groove passes through the section of oil circuit and lubricant oil feeding pipe road
It flows device 16 to connect, filling carrying oil film between thrust ring-shaped guide rail 5 and outer slip ring 4 is made by static-pressure oil chamber.
Static-pressure oil chamber on 3 facade of the composite bearing is multiple arc groove structures, and multiple arc grooves are in uniformly ring
Shape is arranged on 3 facade of composite bearing, and each arc groove is connected by oil circuit and the flow controller 16 of lubricant oil feeding pipe road
It connects, filling carrying oil film between 3 facade of composite bearing and outer slip ring 4 is made by static-pressure oil chamber.
Static-pressure oil chamber on 3 table top of the composite bearing is multiple arc groove structures, and multiple arc grooves are in uniformly ring
Shape is arranged on 3 table top of composite bearing, and each arc groove is connected by oil circuit and the flow controller 16 of lubricant oil feeding pipe road
It connects, filling carrying oil film between 3 table top of composite bearing and outer slip ring 4 is made by static-pressure oil chamber.
The flow controller 16 be orifice restriction device, capillary restrictor, the membrane feedbacks the flow controller, guiding valve feedback throttle device or
Slot Aperture Restrictor it is any.
The oil-collecting shell 2 and composite bearing 3 are equipped with sealing ring with 1 junction of pedestal.Make collection oilcan by sealing ring
A seal cavity is formed between body 2 and composite bearing 3.
Formula directly drives fluid pressure turntable composite fluid hydrostatic bearing and is combined with straight drive technology, and driving motor is embedded in
Among composite bearing, turret systems are compact-sized, occupy little space.Composite fluid hydrostatic bearing component provides branch for turret systems
It holds, make turntable while bearing radial load and axial force.Composite bearing embeds electric machine assembly and provides power, and electric mover passes through mandrel
It is connected with circular table, drives circular table rotation.Turret systems are furnished with High-precision angle encoder, so that turntable is had high
Angle position precision.The turntable has simple and compact for structure, and dynamic response characteristic is good, precision height, good rigidity, large carrying capacity
Feature.It can be widely applied to various high-performance numerical control lathes, super-precision machine tools, high-precision detecting instrument.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of direct-drive type revolving platform system based on fluid pressure composite bearing, including it is pedestal (1), oil-collecting shell (2), compound
Hydrodynamic journal liquid polymers component, electric machine assembly, circular table (6), it is characterised in that:The composite fluid hydrostatic bearing component setting
On pedestal (1), the electric machine assembly is embedded in composite fluid hydrostatic bearing component, is connected in the middle part of the circular table (6)
It is connected on the mandrel (11) of electric machine assembly, the oil-collecting shell (2) is sleeved on composite fluid hydrostatic bearing component, oil-collecting shell
(2) upper end coordinates with circular table (6) sealing, and lower end and pedestal (1) sealing of oil-collecting shell (2) coordinate;
The composite fluid hydrostatic bearing component includes upper thrust ring-shaped guide rail (5), composite bearing (3), outer slip ring (4) and throttling
Device (16), the composite bearing (3) are boss tube-in-tube structure, and the upper thrust ring-shaped guide rail (5) is arranged on composite bearing (3)
End, upper thrust ring-shaped guide rail (5) constitute groove structure with composite bearing (3), and the outer slip ring (4) is mounted in groove structure,
Outer slip ring (4) is equipped with static-pressure oil chamber (17), static pressure oil with upper thrust ring-shaped guide rail (5) and composite bearing (3) cooperation mounting surface
Chamber (17) is connect by the oil circuit (18) being arranged in upper thrust ring-shaped guide rail (5) and composite bearing (3) with flow controller (16), institute
Circular table (6) is stated to connect with outer slip ring (4).
2. a kind of direct-drive type revolving platform system based on fluid pressure composite bearing according to claim 1, feature exist
In:The electric machine assembly includes motor stator casing (7), motor stator cooling ring (8), motor stator (9) and rotor
(10), the motor stator casing (7) is embedded in the sleeve that thrust ring-shaped guide rail (5) and composite bearing (3) are constituted, described
Motor stator (9) is mounted on by motor stator cooling ring (8) in motor stator casing (7), and the rotor (10) is located at
Rotation in motor stator (9), the rotor (10) are placed in the middle part of mandrel (11).
3. a kind of direct-drive type revolving platform system based on fluid pressure composite bearing according to claim 1, feature exist
In:Encoder (13) is equipped with below the electric machine assembly.
4. a kind of direct-drive type revolving platform system based on fluid pressure composite bearing according to claim 1, feature exist
In:The upper end of the oil-collecting shell (2) is coordinated by sealing gland ring (12) and circular table (6) sealing, and above-mentioned sealing gland ring (12) is solid
Surely it is connected to the upper port of oil-collecting shell (2), the annular air cavity (14) of connection, the annular gas are equipped in the sealing gland ring (12)
The gas vent (15) of chamber (14) is located at sealing gland ring (12) and seals mating surface with circular table (6), and the gas vent (15) is several
It is a, it is circumferential uniformly distributed.
5. a kind of direct-drive type revolving platform system based on fluid pressure composite bearing according to claim 1, feature exist
In:Static-pressure oil chamber on thrust ring-shaped guide rail (5) bottom surface is multiple arc groove structures, and multiple arc grooves are in uniformly ring
Shape is arranged on thrust ring-shaped guide rail (5) bottom surface, and each arc groove passes through the throttling of oil circuit and lubricant oil feeding pipe road
Device (16) connects, and makes filling carrying oil film between thrust ring-shaped guide rail (5) and outer slip ring (4) by static-pressure oil chamber.
6. a kind of direct-drive type revolving platform system based on fluid pressure composite bearing according to claim 1, feature exist
In:Static-pressure oil chamber on composite bearing (3) facade is multiple arc groove structures, and multiple arc grooves are uniformly distributed to be set in a ring
It sets on composite bearing (3) facade, each arc groove is connected by oil circuit and the flow controller (16) of lubricant oil feeding pipe road
It connects, filling carrying oil film between composite bearing (3) facade and outer slip ring (4) is made by static-pressure oil chamber.
7. a kind of direct-drive type revolving platform system based on fluid pressure composite bearing according to claim 1, feature exist
In:Static-pressure oil chamber on composite bearing (3) table top is multiple arc groove structures, and multiple arc grooves are uniformly distributed to be set in a ring
It sets on composite bearing (3) table top, each arc groove is connected by oil circuit and the flow controller (16) of lubricant oil feeding pipe road
It connects, filling carrying oil film between composite bearing (3) table top and outer slip ring (4) is made by static-pressure oil chamber.
8. a kind of direct-drive type revolving platform system based on fluid pressure composite bearing according to claim 1, feature exist
In:The flow controller (16) is orifice restriction device, capillary restrictor, the membrane feedbacks the flow controller, guiding valve feedback throttle device or seam
Gap flow controller it is any.
9. a kind of direct-drive type revolving platform system based on fluid pressure composite bearing according to claim 1, feature exist
In:The oil-collecting shell (2) and composite bearing (3) are equipped with sealing ring with pedestal (1) junction.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201810870219.5A CN108747434A (en) | 2018-08-02 | 2018-08-02 | A kind of direct-drive type revolving platform system based on fluid pressure composite bearing |
CN201910063387.8A CN109551259B (en) | 2018-08-02 | 2019-01-23 | Direct-drive rotary table system based on hydrostatic composite bearing |
CN201920112439.1U CN209407932U (en) | 2018-08-02 | 2019-01-23 | A kind of direct-drive type turret device based on fluid pressure composite bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810870219.5A CN108747434A (en) | 2018-08-02 | 2018-08-02 | A kind of direct-drive type revolving platform system based on fluid pressure composite bearing |
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CN108747434A true CN108747434A (en) | 2018-11-06 |
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CN201810870219.5A Withdrawn CN108747434A (en) | 2018-08-02 | 2018-08-02 | A kind of direct-drive type revolving platform system based on fluid pressure composite bearing |
CN201920112439.1U Active CN209407932U (en) | 2018-08-02 | 2019-01-23 | A kind of direct-drive type turret device based on fluid pressure composite bearing |
CN201910063387.8A Active CN109551259B (en) | 2018-08-02 | 2019-01-23 | Direct-drive rotary table system based on hydrostatic composite bearing |
Family Applications After (2)
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CN201920112439.1U Active CN209407932U (en) | 2018-08-02 | 2019-01-23 | A kind of direct-drive type turret device based on fluid pressure composite bearing |
CN201910063387.8A Active CN109551259B (en) | 2018-08-02 | 2019-01-23 | Direct-drive rotary table system based on hydrostatic composite bearing |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109551259A (en) * | 2018-08-02 | 2019-04-02 | 中国工程物理研究院机械制造工艺研究所 | A kind of direct-drive type revolving platform system based on fluid pressure composite bearing |
CN109702501A (en) * | 2018-12-14 | 2019-05-03 | 广州市昊志机电股份有限公司 | Intracavitary feedback throttle static pressure turntable |
CN110039499A (en) * | 2019-04-03 | 2019-07-23 | 成都信息工程大学 | A kind of one-dimensional turntable |
CN110732887A (en) * | 2019-11-19 | 2020-01-31 | 哈尔滨工业大学 | ultra-precision hydrostatic pressure turntable |
CN112123199A (en) * | 2020-08-27 | 2020-12-25 | 森合(天津)科技有限公司 | Internal feedback precise closed static pressure rotary table |
CN114131356A (en) * | 2021-12-31 | 2022-03-04 | 姜堰经济开发区科创中心 | High-precision liquid static pressure bearing B-axis turntable device |
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CN101204777A (en) * | 2006-12-18 | 2008-06-25 | 天水星火机床有限责任公司 | Ring-shaped lead rail of vertical type lathe |
WO2008098846A2 (en) * | 2007-02-14 | 2008-08-21 | Ina Drives & Mechatronics Gmbh & Co. Ohg | Electric direct drive device, particularly for a turntable |
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CN102059558B (en) * | 2010-11-24 | 2013-02-13 | 南京工大数控科技有限公司 | Large and heavy numerical control static-pressure revolving platform |
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CN103624555B (en) * | 2013-11-29 | 2016-06-15 | 南京工业大学 | Static pressure heavy-load directly drives high-precision rotary working-table |
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-
2018
- 2018-08-02 CN CN201810870219.5A patent/CN108747434A/en not_active Withdrawn
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2019
- 2019-01-23 CN CN201920112439.1U patent/CN209407932U/en active Active
- 2019-01-23 CN CN201910063387.8A patent/CN109551259B/en active Active
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CN109551259A (en) * | 2018-08-02 | 2019-04-02 | 中国工程物理研究院机械制造工艺研究所 | A kind of direct-drive type revolving platform system based on fluid pressure composite bearing |
CN109551259B (en) * | 2018-08-02 | 2024-03-22 | 中国工程物理研究院机械制造工艺研究所 | Direct-drive rotary table system based on hydrostatic composite bearing |
CN109702501A (en) * | 2018-12-14 | 2019-05-03 | 广州市昊志机电股份有限公司 | Intracavitary feedback throttle static pressure turntable |
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CN110732887A (en) * | 2019-11-19 | 2020-01-31 | 哈尔滨工业大学 | ultra-precision hydrostatic pressure turntable |
CN112123199A (en) * | 2020-08-27 | 2020-12-25 | 森合(天津)科技有限公司 | Internal feedback precise closed static pressure rotary table |
CN112123199B (en) * | 2020-08-27 | 2022-07-26 | 森合(天津)科技有限公司 | Internal feedback precise closed static pressure rotary table |
CN114131356A (en) * | 2021-12-31 | 2022-03-04 | 姜堰经济开发区科创中心 | High-precision liquid static pressure bearing B-axis turntable device |
CN114850895A (en) * | 2022-06-22 | 2022-08-05 | 叶帆 | Precise numerical control guide rail for metal milling |
Also Published As
Publication number | Publication date |
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CN109551259B (en) | 2024-03-22 |
CN109551259A (en) | 2019-04-02 |
CN209407932U (en) | 2019-09-20 |
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