CN105443578A - Single-degree-of-freedom T-shaped hydraulic bearing - Google Patents
Single-degree-of-freedom T-shaped hydraulic bearing Download PDFInfo
- Publication number
- CN105443578A CN105443578A CN201511007445.3A CN201511007445A CN105443578A CN 105443578 A CN105443578 A CN 105443578A CN 201511007445 A CN201511007445 A CN 201511007445A CN 105443578 A CN105443578 A CN 105443578A
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- Prior art keywords
- degree
- kinetoplast
- bearing
- fluid bearing
- shaped fluid
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
- F16C32/0651—Details of the bearing area per se
- F16C32/0659—Details of the bearing area per se of pockets or grooves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention provides a single-degree-of-freedom T-shaped hydraulic bearing. The single-degree-of-freedom T-shaped hydraulic bearing comprises a fixed body and a ''delta''-shaped movable body, the two of which are connected in a sliding manner; the fixed body comprises a base; a mounting groove is formed in the base; two right-angled blocks are arranged inside the mounting groove and arranged symmetrically about a center line of the mounting groove to form a ''delta''-shaped bearing cavity with the base; the movable body is in tight fit in the bearing cavity; each right-angled block comprises a supporting block and an upper plate that is fixedly connected above the supporting block; a convex portion of the movable body is located between the two upper plates; pressure-bearing chambers are arranged on a bottom surface, surfaces close to the supporting blocks and surfaces closes to bottom surface of the upper plates of the movable body; an oil inlet and a plurality of oil passages are formed in the movable body; the oil passages communicate with the pressure-bearing chambers through throttling orifices, while the oil inlet communicates with the oil passages; and the top end of the convex portion of the movable body is further connected with a plurality of connecting pieces. By means of such a solution, the single-degree-of-freedom T-shaped hydraulic bearing is reasonable in structural design, low in manufacturing cost, convenient and reliable to maintain and adjust, good in lubrication effect, low in noise, low in temperature rise, strong in pollution resistance and long in service life.
Description
Technical field
The invention belongs to fluid bearing field, especially a kind of T-shaped fluid bearing of single-degree-of-freedom.
Background technique
Along with the development of aerospace industry, high precision machine tool, the high-precision fluid bearing of high capacity is crucial execution components and parts, in prior art, a small amount of lubricant oil is only carried between common fluid bearing, in movement process, play the effect of lubrication, precision is low, bearing capacity is poor, can not satisfy the demand.In addition, the processing cost of current fluid bearing is high, and structural design is unreasonable makes modulation install complexity, and rigidity is less, and contamination resistance is poor, and the life-span is short.
Summary of the invention
In view of this, the present invention is intended to the T-shaped fluid bearing proposing a kind of single-degree-of-freedom, and to solve unreasonable, the inconvenient adjustment and installation of hydraulic bearing structure design in prior art, and rigidity is little, precision is low, life-span short problem.
For achieving the above object, technological scheme of the present invention is achieved in that
A T-shaped fluid bearing for single-degree-of-freedom, comprising is slidably connected determines body and " convex " font kinetoplast; Describedly determine body and comprise base, described base has mounting groove, and described mounting groove inside is provided with two right angle block, and described two right angle block are arranged symmetrically with about the center line of described mounting groove, form the bearing bore of " convex " font with described base, described kinetoplast fits snugly in described bearing bore; Described right angle block comprises support block and upper plate, and described upper plate is connected in above support block, and the convex portion of described kinetoplast is between two upper plates;
The bottom surface of described kinetoplast, the face near described support block and the face near described upper plate bottom surface are equipped with pressure-bearing room, described kinetoplast inside has oil inlet hole and many oil ducts, described oil duct is communicated with described pressure-bearing room by restriction, and described oil inlet hole is communicated with described oil duct;
The top of described kinetoplast convex portion is also connected with several links, and described link has mounting hole.
Further, be also connected with maze board between described link and kinetoplast convex portion, described upper plate has maze trough near the side of kinetoplast convex portion, and described maze board is positioned at described maze trough.
Further, described upper plate comprises interconnective first split plate and the second split plate, and one jiao of described first split plate has two layers of step trough, and described second split plate is positioned at the upper strata groove of described two layers of step trough, and lower floor's groove forms described maze trough.
Further, the centerline axis parallel of described oil inlet hole and described mounting groove is arranged, described oil inlet hole is connected with oil pipe by fuel feeding connecting head.
Further, the described grip block determining body to be also fixed with for clamping described oil pipe.
Further, flow controller is provided with in described restriction.
Further, described restriction is conical screw hole, described flow controller and described restriction conical surface screw-thread fit.
Further, bottom described mounting groove, have several grooves, ventilate for oil storage.
Further, described material of determining body, kinetoplast and maze board is space flight aluminium, and the material of described link is alloyed steel.
Further, described base has multiple mounting hole.
Relative to prior art, the T-shaped fluid bearing of a kind of single-degree-of-freedom of the present invention has following advantage: reasonable in design, low cost of manufacture, determine body detachable, maintaining debugging is convenient and reliable, pressure-bearing room and sealing surface reasonable in design, high lubricating effect, noise is little, temperature rise is low, and antipollution is extremely strong, and the life-span is high.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is plan view of the present invention;
Fig. 2 is plan view of the present invention;
Fig. 3 of the present inventionly determines body schematic diagram;
Fig. 4 is kinetoplast plan view of the present invention;
Fig. 5 is kinetoplast plan view of the present invention;
Fig. 6 is kinetoplast side view of the present invention;
In figure: 1-determines body, 10-bearing bore, 11-base, 111-mounting groove, 112-groove, 12-right angle block, 13-support block, 14-upper plate, 140-maze trough, 141-first split plate, 142-second split plate, 143-bis-layers of step trough, 2-kinetoplast, 21-pressure-bearing room, 22-oil duct, 221-restriction, 23-oil inlet hole, 3-maze board, 4-link, 5-grip block, 6-fuel feeding connecting head, 7-oil pipe.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature being limited with " first ", " second " etc.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood by concrete condition.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, 2, a kind of T-shaped fluid bearing of single-degree-of-freedom, comprising is slidably connected determines body 1 and " convex " font kinetoplast 2.
As shown in Figure 3, determine body 1 and comprise base 11, base 11 has mounting groove 111, mounting groove 111 inside is provided with two right angle block 12, two right angle block 12 are arranged symmetrically with about the center line of mounting groove 111, form the bearing bore 10 of " convex " font with base 11, kinetoplast 2 fits snugly in bearing bore 10; Right angle block 12 comprises support block 13 and upper plate 14, and upper plate 14 is connected in above support block 13, and the convex portion of kinetoplast 2 is between two upper plates 14.
As Figure 4-Figure 6, the bottom surface of kinetoplast 2, the face near support block 13 and the face near upper plate 14 bottom surface are equipped with pressure-bearing room 21, kinetoplast 2 inside has oil inlet hole 23 and many oil ducts 22, and oil duct 22 is communicated with pressure-bearing room 21 by restriction 221, and oil inlet hole 23 is communicated with oil duct 22; The top of kinetoplast 2 convex portion is also connected with several links 4, and link 4 has mounting hole.
Also be connected with maze board 3 between link 4 and kinetoplast 2 convex portion, upper plate 14 has maze trough 140 near the side of kinetoplast 2 convex portion, and maze board 3 is positioned at maze trough 140.
Upper plate 14 comprises interconnective first split plate 141 and the second split plate 142, first split plate 141 one jiao and has the upper strata groove that two layers of step trough 143, second split plate 142 is positioned at two layers of step trough 143, and lower floor's groove forms maze trough 140.
Oil inlet hole 23 is arranged with the centerline axis parallel of mounting groove 111, and oil inlet hole 23 is connected with oil pipe 7 by fuel feeding connecting head 6, determines the grip block 5 body 1 being also fixed with clamping oil pipe 7.
Flow controller is provided with in restriction 221.The installation of flow controller adopts tapered tread and tapered face fit structure, reaches high efficient and reliable, accurately throttling.The independent thread mill drilling of each restriction 221, flow controller as a whole parts is installed in throttle orifice 221, and that accomplishes debugging, keeps in repair, safeguards is convenient and reliable.
Base 11 has multiple mounting hole, bottom mounting groove 111, has several grooves 112.
The material of determining body 1, kinetoplast 2 and maze board 3 is space flight aluminiums, and the material of link 4 is alloyed steels, and load is threaded with kinetoplast 2, by link 4 transition, can meet the requirement of frequent dismounting, protect fluid bearing body.
The present invention operationally, high pressure oil enters oil inlet hole 23 by oil pipe 7 through fuel feeding connecting head 6, then 22 are filled with, and then enter each pressure-bearing room 21 through flow controller, kinetoplast 2 with determine the face that body 1 contacts and all there is pressure-bearing room 21, form the support force of balance mutually in all directions, make kinetoplast 2 can carry the load of 1-90 ton; In addition high pressure oil also serves lubrication, reduces friction, and temperature rise is little, and make kinetoplast 2 can do high frequency motion in bearing bore 10, frequency reaches as high as 2kHz.
It is split type for determining body 1, convenient processing, assembling and keep in repair, and maze board 6 can effective Leakage prevention; Kinetoplast 2 makes high pressure oil have certain bearing pressure in compartment 21 by micropore throttling technology, sealing surface simultaneously around compartment 21 and determine reasonable coordination gap between body 1, both played seal lubrication to get back pressure maintaining effect, make kinetoplast 2 be able to high speed to-and-fro motion in bearing bore 10, reach the little and effect that rigidity is huge of friction.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a T-shaped fluid bearing for single-degree-of-freedom, is characterized in that: comprising is slidably connected determines body (1) and " convex " font kinetoplast (2); Describedly determine body (1) and comprise base (11), described base (11) has mounting groove (111), described mounting groove (111) inside is provided with two right angle block (12), described two right angle block (12) are arranged symmetrically with about the center line of described mounting groove (111), form the bearing bore (10) of " convex " font with described base (11), described kinetoplast (2) fits snugly in described bearing bore (10); Described right angle block (12) comprises support block (13) and upper plate (14), described upper plate (14) is connected in support block (13) top, and the convex portion of described kinetoplast (2) is positioned between two upper plates (14);
The bottom surface of described kinetoplast (2), the face near described support block (13) and the face near described upper plate (14) bottom surface are equipped with pressure-bearing room (21), described kinetoplast (2) inside has oil inlet hole (23) and many oil ducts (22), described oil duct (22) is communicated with described pressure-bearing room (21) by restriction (221), and described oil inlet hole (23) is communicated with described oil duct (22);
The top of described kinetoplast (2) convex portion is also connected with several links (4), and (4) have mounting hole to described link.
2. the T-shaped fluid bearing of a kind of single-degree-of-freedom according to claim 1, it is characterized in that: between described link (4) and kinetoplast (2) convex portion, be also connected with maze board (3), described upper plate (14) has maze trough (140) near the side of kinetoplast (2) convex portion, and described maze board (3) is positioned at described maze trough (140).
3. the T-shaped fluid bearing of a kind of single-degree-of-freedom according to claim 2, it is characterized in that: described upper plate (14) comprises interconnective first split plate (141) and the second split plate (142), one jiao of described first split plate (141) has two layers of step trough (143), described second split plate (142) is positioned at the upper strata groove of described two layers of step trough (143), and lower floor's groove forms described maze trough (140).
4. the T-shaped fluid bearing of a kind of single-degree-of-freedom according to claim 1, it is characterized in that: described oil inlet hole (23) is arranged with the centerline axis parallel of described mounting groove (111), and described oil inlet hole (23) is connected with oil pipe (7) by fuel feeding connecting head (6).
5. the T-shaped fluid bearing of a kind of single-degree-of-freedom according to claim 4, is characterized in that: the described grip block (5) determining body (1) is also fixed with the described oil pipe of clamping (7).
6. the T-shaped fluid bearing of a kind of single-degree-of-freedom according to claim 1, is characterized in that: described restriction is provided with flow controller in (221).
7. the T-shaped fluid bearing of a kind of single-degree-of-freedom according to claim 6, is characterized in that: described restriction (221) is conical screw hole, described flow controller and described restriction (221) conical surface screw-thread fit.
8. the T-shaped fluid bearing of a kind of single-degree-of-freedom according to any one of claim 1-5, is characterized in that: described mounting groove (111) bottom has several grooves (112).
9. the T-shaped fluid bearing of a kind of single-degree-of-freedom according to any one of claim 1-5, it is characterized in that: described material of determining body (1), kinetoplast (2) and maze board (3) is space flight aluminium, and the material of described link (4) is alloyed steel.
10. the T-shaped fluid bearing of a kind of single-degree-of-freedom according to any one of claim 1-5, is characterized in that: (11) have multiple mounting hole to described base.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511007445.3A CN105443578A (en) | 2015-12-27 | 2015-12-27 | Single-degree-of-freedom T-shaped hydraulic bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511007445.3A CN105443578A (en) | 2015-12-27 | 2015-12-27 | Single-degree-of-freedom T-shaped hydraulic bearing |
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CN105443578A true CN105443578A (en) | 2016-03-30 |
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CN201511007445.3A Pending CN105443578A (en) | 2015-12-27 | 2015-12-27 | Single-degree-of-freedom T-shaped hydraulic bearing |
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Citations (8)
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TWI305252B (en) * | 2007-02-15 | 2009-01-11 | Hiwin Tech Corp | Dustproof metal scraping device |
CN102086905A (en) * | 2010-12-24 | 2011-06-08 | 东莞市尚正机电科技有限公司 | Hydraulic supporting and suspending method of high load bearing mechanical movement |
CN102720763A (en) * | 2012-03-28 | 2012-10-10 | 哈尔滨工业大学深圳研究生院 | Closed fluid hydrostatic guiderail |
EP2587080A1 (en) * | 2011-10-28 | 2013-05-01 | Jtekt Corporation | Variable flow-rate hydrostatic bearing |
JP2013087875A (en) * | 2011-10-19 | 2013-05-13 | Jtekt Corp | Variable throttle type hydrostatic bearing |
JP2013139846A (en) * | 2012-01-04 | 2013-07-18 | Ihi Corp | Static pressure guide device |
CN104533951A (en) * | 2014-12-23 | 2015-04-22 | 天津尚吉液压设备有限公司 | T-shaped hydraulic bearing with double-restraint degree of freedom |
CN205446401U (en) * | 2015-12-27 | 2016-08-10 | 天津尚吉液压设备有限公司 | Single degree of freedom's T type hydraulic shaft holds |
-
2015
- 2015-12-27 CN CN201511007445.3A patent/CN105443578A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI305252B (en) * | 2007-02-15 | 2009-01-11 | Hiwin Tech Corp | Dustproof metal scraping device |
CN102086905A (en) * | 2010-12-24 | 2011-06-08 | 东莞市尚正机电科技有限公司 | Hydraulic supporting and suspending method of high load bearing mechanical movement |
JP2013087875A (en) * | 2011-10-19 | 2013-05-13 | Jtekt Corp | Variable throttle type hydrostatic bearing |
EP2587080A1 (en) * | 2011-10-28 | 2013-05-01 | Jtekt Corporation | Variable flow-rate hydrostatic bearing |
JP2013139846A (en) * | 2012-01-04 | 2013-07-18 | Ihi Corp | Static pressure guide device |
CN102720763A (en) * | 2012-03-28 | 2012-10-10 | 哈尔滨工业大学深圳研究生院 | Closed fluid hydrostatic guiderail |
CN104533951A (en) * | 2014-12-23 | 2015-04-22 | 天津尚吉液压设备有限公司 | T-shaped hydraulic bearing with double-restraint degree of freedom |
CN205446401U (en) * | 2015-12-27 | 2016-08-10 | 天津尚吉液压设备有限公司 | Single degree of freedom's T type hydraulic shaft holds |
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Application publication date: 20160330 |
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