CN102042328A - Cylindrical mechanical motion hydraulic support suspension system with high bearing capacity - Google Patents
Cylindrical mechanical motion hydraulic support suspension system with high bearing capacity Download PDFInfo
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- CN102042328A CN102042328A CN 201010604894 CN201010604894A CN102042328A CN 102042328 A CN102042328 A CN 102042328A CN 201010604894 CN201010604894 CN 201010604894 CN 201010604894 A CN201010604894 A CN 201010604894A CN 102042328 A CN102042328 A CN 102042328A
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Abstract
The invention relates to the technical field of hydraulic suspension systems, in particular to a cylindrical mechanical motion hydraulic support suspension system with high bearing capacity. The system comprises a work cylindrical rotating body and a support bearing fixing body, wherein a plurality of bearing oil chambers are uniformly formed on the external surface of the work cylindrical rotating body along the circumferential direction; a load-reducing oil return groove is formed between two adjacent bearing oil chambers respectively; high-pressure oil of an oil supply system is subjected to pressure expansion in each bearing oil chamber to support the work cylindrical rotating body so as to keep a gap, and is drained through uniformly distributed and equal gaps on the internal surface of the circumference of an inner hole to support and suspend the work cylindrical rotating body; the weight of a load on the work cylindrical rotating body is not influenced, and the work cylindrical rotating body cannot be damaged due to friction, and has large overload capacity, light zero load, high rotating speed and radial impact resistance, so that the work cylindrical rotating body can keep high accuracy and long service life when bearing a heavy load and working and moving at a high speed; and the system is easy to manufacture and produce and has higher reliability.
Description
Technical field:
The present invention relates to hydraulic pressure suspension system technical field, particularly a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension system is mainly used in cylindrical body mechanical motion rotational structure, as axle class formation etc.
Background technique:
At present in the mechanism system, often all be to utilize rolling sliding and running or work cylinder solid of rotation to contact with the raceway of support bearing fixed body by rolling elements such as balls and circumferentially rolling rotation of edge, it generally is to utilize lubricant oil to realize lubricated the slip, but in this contact-type rotary system, work cylinder solid of rotation and support bearing fixed body serious wear, precision and working life can't be ensured, heavy duty can not be born.Also there is mechanism system to utilize quiet oil pressure to make between axle and the bearing shell and forms oil film, because of the pressure of quiet oil pressure low, the oil film that forms runs up inadequately and the working environment of high load uses, oil film causes the structure of molecule fission of oil rotten easily in heavy load and environment at a high speed, in high speed and the heavily loaded motion of sliding of load, because the concentration of oil and flow can produce oil film and have little time phenomenons such as formation in sliding at a high speed, very easily cause the steady and mutual frictionally damage of generation of operation of solid of rotation, and in the frictionally damage of solid of rotation, can't ensure precision and working life.How to reduce between the relative movement body wearing and tearing, increase the service life, improve that to bear heavily loaded ability be current mechanical industry urgent problem.
Summary of the invention:
The objective of the invention is to provides a kind of high pressure oil pressure expansion that utilizes to produce the high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension system that the liquid pressure support suspension is realized heavily loaded high speed operation, precision height, long service life, the heavy duty that can carry the 5-5000 ton at the deficiencies in the prior art.
For achieving the above object, the present invention adopts following technological scheme:
A kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension system, it includes work cylinder solid of rotation, support bearing fixed body, the support bearing fixed body offers the circular inner hole that cooperates with the cylinder solid of rotation of working, work cylinder solid of rotation rotates and is arranged in the endoporus, between the endoporus of work cylinder solid of rotation and support bearing fixed body is Spielpassung, the circumferential outer surface of work cylinder solid of rotation a plurality ofly provides the supporting oil pocket of high pressure oil by outside oil supply system along circumferentially evenly offering, and offers the Reduction of Students' Study Load oil-return groove respectively between adjacent two supporting oil pockets; The high pressure oil of outside oil supply system forms pressure expansion in the supporting oil pocket, form uniform equal gap at the circumferential outer surface of work cylinder solid of rotation and drain the cylinder solid of rotation support suspension of will working.
Described supporting oil pocket is 3～100.
The pressure of the high pressure oil of input supporting oil pocket is 3～35MP.
After described work cylinder solid of rotation suspends and the gap between the circumferential inner surface of endoporus is 0.05～1mm.
The end cover of described support bearing fixed body is provided with first end cap, offer annular fuel supply chamber on first end cap and the end face that work cylinder solid of rotation end face cooperates, work cylinder a rotating body offer a plurality of with support the corresponding oil supply hole of oil pocket, a plurality of supporting oil pockets are communicated with annular fuel supply chamber by oil supply hole respectively, and annular fuel supply chamber is communicated with outside oil supply system by oil inlet hole.
Offer annular in the described endoporus and drain main oil back chamber, the inner of Reduction of Students' Study Load oil-return groove extends to the position of draining main oil back chamber, drains and offers the main return opening of drainage that is communicated with support bearing fixed body outside on the main oil back chamber.
The outer end of described first end cap is covered with second end cap, offers circular oil back chamber on the interior edge face of second end cap, and circular oil back chamber is communicated with the main return opening of drainage by the end spill port.
Described work cylinder solid of rotation also can be to offer the center oil supply hole that is communicated with outside oil supply system in the axle center, and each supporting oil pocket is communicated with the center oil supply hole respectively.
The described supporting oil pocket gross area is 1/4～7/8 with the ratio of the circumferential outer surface area of work cylinder solid of rotation.
Beneficial effect of the present invention is: the present invention includes work cylinder solid of rotation, support bearing fixed body, between the endoporus of work cylinder solid of rotation and support bearing fixed body is Spielpassung, the circumferential outer surface of work cylinder solid of rotation a plurality ofly provides the supporting oil pocket of high pressure oil by outside oil supply system along circumferentially evenly offering, and offers the Reduction of Students' Study Load oil-return groove respectively between adjacent two supporting oil pockets; The high pressure oil of oil supply system forms the pressure expansion cylinder solid of rotation picking-up of will work in the supporting oil pocket, under the pressure equilibrium effect of high pressure oil, make work cylinder solid of rotation seek circle center's locating point automatically, suspension self contering ability height, cylinder solid of rotation and the endoporus maintenance gap of working this moment, the gap can form uniform equal gap at the circumferential outer surface of work cylinder solid of rotation and drain, equate under the Excretion at the border high pressure oil, the cylinder solid of rotation support suspension of will working, under the condition of the continuous fuel feeding of oil supply system, supporting unsettled drainage can remain unchanged always, load weight size at work cylinder solid of rotation is unaffected, after reaching requirement, liquid pressure support suspension power just can move, frictionally damage can not take place, overload capacity is big, unloaded load is light, the rotating speed height, anti-radially bump, thereby make work cylinder solid of rotation in the motion of carrying heavy load high speed operation, can guarantee permanent highi degree of accuracy and working life, and oil undergoes no deterioration, high pressure oil cleaning oil circuit automatically stops up, manufacturing of the present invention is produced easily, and reliability is higher, fully reduced the manufacture difficulty of heavily loaded aspect, improved the work motion speed, the metallurgical equipment that can be widely used in the high low speed of various types of heavy duties, mining equiment, heavy loading locomotive, among the lathe etc., replace the application of bearing.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of end face direction of the present invention;
Fig. 3 is the sectional view of A-A direction among Fig. 1;
Fig. 4 is the structural representation of work cylinder solid of rotation end face direction of the present invention;
Fig. 5 is the sectional view of support bearing fixed body of the present invention;
Fig. 6 is the structural representation of another mode of execution of the present invention.
Embodiment:
The present invention is further illustrated below in conjunction with accompanying drawing, see Fig. 1～5, a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension system, it includes work cylinder solid of rotation 1, support bearing fixed body 2, support bearing fixed body 2 offers the circular inner hole 3 that cooperates with the cylinder solid of rotation 1 of working, work cylinder solid of rotation 1 rotates and is arranged in the endoporus 3, is Spielpassung between the endoporus 3 of work cylinder solid of rotation 1 and support bearing fixed body 2.
The circumferential outer surface of work cylinder solid of rotation 1 is along circumferentially evenly offering a plurality of supporting oil pockets 4 that high pressure oil is provided by outside oil supply system, when guaranteeing work cylinder solid of rotation 1 heavy service up and down each to the steady nothing guiding of beating, prevent skew, the precision height, work cylinder solid of rotation 1 self contering ability height during fuel feeding, offer Reduction of Students' Study Load oil-return groove 5 respectively between adjacent two supporting oil pockets 4, can and alleviate load resistance oily recycle and reuse.Supporting oil pocket 4 is 3～100, as can being 3,4,5,6,7,8,20,30,50,70,100, can certainly be other quantity, quantity more the multiplex (MUX) to make cylinder solid of rotation 1 stressed even more, supporting oil pocket 4 in the present embodiment is 6.Supporting oil pocket 4 sizes promptly support lifting surface area, supporting oil pocket 4 gross areas are 1/4～7/8 with the ratio of the circumferential outer surface area of work cylinder solid of rotation 1, as being 1/4,2/5,3/6,5/6,7/8 etc., the oil pocket area is big, and enough pressure is arranged when guaranteeing to feed oil.
A plurality of supporting oil pockets 4 are communicated with oil supply system respectively, and filler opening is settled pressure retaining valve, and oil supply system is utilized the oil pump pressurization to flow into supporting oil pocket 4 high pressure oil is provided.Oil supply system is the automatic variable oil supply system of can regulate flow, or be the quantitative oil supply system of the large, medium and small different pressures shelves of can regulate, as being variable capacity oil pump, oil supply system utilization oil can play better lubrication as liquid medium, and liquid medium also can be water or other liquid.It is the high pressure oil of 3～35MP that oil supply system continues to supporting oil pocket 4 incoming pressures, is filled to each supporting oil pocket 4.The high pressure oil of outside oil supply system forms pressure expansion in supporting oil pocket 4, form uniform equal gap at the circumferential outer surface of work cylinder solid of rotation 1 and drain cylinder solid of rotation 1 support suspension of will working.After work cylinder solid of rotation 1 suspends and the gap between the circumferential inner surface of endoporus 3 is 0.05～1mm.The circumferential inner surface of endoporus 3 is a smooth surface, reduces the influence of the circumferential inner surface of endoporus 3 to high pressure oil.
The end cover of support bearing fixed body 2 is provided with first end cap 6, offer annular fuel supply chamber 8 on first end cap 6 and the end face that work cylinder solid of rotation 1 end face cooperates, offer a plurality of oil supply holes 9 corresponding in the work cylinder solid of rotation 1 with supporting oil pocket 4, a plurality of supporting oil pockets 4 are communicated with annular fuel supply chamber 8 by oil supply hole 9 respectively, annular fuel supply chamber 8 is communicated with outside oil supply system by oil inlet hole 10, the oil of oil supply system is entered in the annular fuel supply chamber 8 by oil inlet hole 10, enter supporting oil pocket 4 through oil supply hole 9 then, this end face fuel system is simple in structure, the influence that not rotatablely moved by work cylinder solid of rotation 1, fuel feeding is smooth and easy, and annular fuel supply chamber 8 feeds the oil back work cylinder solid of rotation 1 end face is produced axial support force, work cylinder solid of rotation 1 is played the effect of axially locating anti-channeling.
Endoporus 3 middle parts offer annular and drain main oil back chamber 11, supporting oil pocket 4 staggers mutually with the main oil back chamber 11 of drainage, the inner of Reduction of Students' Study Load oil-return groove 5 extends to the position of draining main oil back chamber 11, drain and offer the main return opening 12 of drainage that is communicated with support bearing fixed body 2 outsides on the main oil back chamber 11, work cylinder solid of rotation 1 is in rotary course, the oil of the inner of Reduction of Students' Study Load oil-return groove 5 can be thrown under action of centrifugal force to be drained in the main oil back chamber 11, discharge by draining main return opening 12 again, the oil collection of draining main return opening 12 discharges can be recovered to oil supply system and carry out recycling.
The outer end of first end cap 6 is covered with second end cap 7, offer circular oil back chamber 13 on the interior edge face of second end cap 7, circular oil back chamber 13 is communicated with the main return opening 12 of drainage by end spill port 14, the oil of the outer end of Reduction of Students' Study Load oil-return groove 5 flows into circular oil back chamber 13, flow to through end spill port 14 then and drain main return opening 12, the unified discharge and recovered oil.Can utilize the oil well pump oil pumping draining main return opening 12 places connection oil well pump, drain main return opening 12 and draining main oil back chamber 11 formation negative pressure, the oil that supporting oil pocket 4 can be excreted blots only, and oil suction is effective.
The present invention can be the bilateral symmetry structure, the two ends that are support bearing fixed body 2 are equipped with first end cap 6, second end cap 7, work cylinder solid of rotation 1 circumferentially evenly offers a plurality of supporting oil pockets 4, Reduction of Students' Study Load oil-return groove 5 in the edge respectively near the circumferential outer surface at two ends, and this structure operation is more steady.
Supporting oil pocket 4 of the present invention is exerted pressure by the oil supply system fuel feeding, and keep enough flows, oil produces the expansion of liquids antagonism after flowing into supporting oil pocket 4 at a high speed, the cylinder solid of rotation 1 of will working holds up, under the pressure equilibrium effect of high pressure oil, make work cylinder solid of rotation 1 seek circle center's locating point automatically, suspension self contering ability height, the cylinder solid of rotation 1 of working this moment keeps the gap with endoporus 3, the gap can form uniform equal gap at the circumferential outer surface of work cylinder solid of rotation 1 and drain, equate under the Excretion at the border high pressure oil, cylinder solid of rotation 1 support suspension of will working, realize the liquid support suspension fully, the recovery operation after these need are carried out the high pressure oil drainage.Under the condition of the continuous fuel feeding of oil supply system, supporting unsettled drainage can remain unchanged always, load weight size at work cylinder solid of rotation 1 is unaffected, when work cylinder solid of rotation 1 magnitude of load changes, oil supply system drainage variable capable of automatic changing, to adapt to, guarantee to have enough liquid pressure support suspension power by the difference of load capacity.After the pressure support suspension power of work cylinder solid of rotation 1 reached requirement, pressure relay was connected, and started transmission system, drove work cylinder solid of rotation 1 work that rotates.After reaching requirement, liquid pressure support suspension power just can move, frictionally damage can not take place, overload capacity is big, unloaded load is light, the rotating speed height, anti-radially bump, thereby make work cylinder solid of rotation 1 in carrying the motion of heavy load high speed operation, can guarantee permanent highi degree of accuracy and working life, and oil undergo no deterioration the obstruction of the automatic cleaning of high pressure oil meeting oil circuit, manufacturing of the present invention is produced easily, and reliability is higher, has fully reduced the manufacture difficulty of heavily loaded aspect, has improved the work motion speed, the metallurgical equipment that can be widely used in the high low speed of various types of heavy duties, mining equiment, heavy loading locomotive, among the lathe etc., replace the application of bearing.
As another embodiment of the present invention, see shown in Figure 6, different with a last mode of execution is that work cylinder solid of rotation 1 axle center offers the center oil supply hole 15 that is communicated with outside oil supply system, each supporting oil pocket 4 is communicated with center oil supply hole 15 respectively, outside oil supply system is supporting oil pocket 4 fuel feeding by center oil supply hole 15, and is simple in structure.
The above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.
Claims (9)
1. high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension system, it includes work cylinder solid of rotation (1), support bearing fixed body (2), support bearing fixed body (2) offers the circular inner hole (3) that cooperates with the cylinder solid of rotation (1) of working, work cylinder solid of rotation (1) rotates and is arranged in the endoporus (3), it is characterized in that: be Spielpassung between the endoporus (3) of described work cylinder solid of rotation (1) and support bearing fixed body (2), the circumferential outer surface of work cylinder solid of rotation (1) a plurality ofly provides the supporting oil pocket (4) of high pressure oil by outside oil supply system along circumferentially evenly offering, and offers Reduction of Students' Study Load oil-return groove (5) between adjacent two supporting oil pockets (4) respectively; The high pressure oil of outside oil supply system forms pressure expansion in supporting oil pocket (4), form the drainage of uniform equal gap, cylinder solid of rotation (1) support suspension of will working at the circumferential outer surface of work cylinder solid of rotation (1).
2. a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension according to claim 1 system, it is characterized in that: described supporting oil pocket (4) is 3～100.
3. a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension according to claim 1 system, it is characterized in that: the pressure of the high pressure oil of input supporting oil pocket (4) is 3～35MP.
4. a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension according to claim 1 system is characterized in that: the gap that described work cylinder solid of rotation (1) suspends between the circumferential inner surface of back and endoporus (3) is 0.05～1mm.
5. a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension according to claim 1 system, it is characterized in that: the end cover of described support bearing fixed body (2) is provided with first end cap (6), offer annular fuel supply chamber (8) on first end cap (6) and the end face that work cylinder solid of rotation (1) end face cooperates, offer in work cylinder solid of rotation (1) a plurality of with support the corresponding oil supply hole (9) of oil pocket (4), a plurality of supporting oil pockets (4) are communicated with annular fuel supply chamber (8) by oil supply hole (9) respectively, and annular fuel supply chamber (8) is communicated with outside oil supply system by oil inlet hole (10).
6. a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension according to claim 5 system, it is characterized in that: offer annular in the described endoporus (3) and drain main oil back chamber (11), the inner of Reduction of Students' Study Load oil-return groove (5) extends to the position of draining main oil back chamber (11), drains to offer on the main oil back chamber (11) to be communicated with the outside main return opening of drainage (12) of support bearing fixed body (2).
7. a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension according to claim 6 system, it is characterized in that: the outer end of described first end cap (6) is covered with second end cap (7), offer circular oil back chamber (13) on the interior edge face of second end cap (7), circular oil back chamber (13) is communicated with the main return opening of drainage (12) by end spill port (14).
8. a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension according to claim 1 system, it is characterized in that: described work cylinder solid of rotation (1) axle center offers the center oil supply hole (15) that is communicated with outside oil supply system, and each supporting oil pocket (4) is communicated with center oil supply hole (15) respectively.
9. according to any described a kind of high-mechanic cylindrical body mechanical motion hydraulic pressure support suspension system of claim 1-8, it is characterized in that: described supporting oil pocket (4) gross area is 1/4～7/8 with the ratio of the circumferential outer surface area of work cylinder solid of rotation (1).
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| CN 201010604894 CN102042328B (en) | 2010-12-24 | 2010-12-24 | Cylindrical mechanical motion hydraulic support suspension system with high bearing capacity |
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| CN 201010604894 CN102042328B (en) | 2010-12-24 | 2010-12-24 | Cylindrical mechanical motion hydraulic support suspension system with high bearing capacity |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102815642A (en) * | 2012-08-09 | 2012-12-12 | 湖南崇德工业科技有限公司 | Hydraulic jacking device for rotating mechanism |
| CN102913544A (en) * | 2012-10-23 | 2013-02-06 | 湖北汽车工业学院 | Static-pressure bearing hinge pair with low rotation speed |
| CN104653621A (en) * | 2015-02-02 | 2015-05-27 | 湖北安驭机械科技有限公司 | Oil supply mechanism for hydraulic oil line of hydraulic thrust bearing |
| CN105114458A (en) * | 2014-09-27 | 2015-12-02 | 摩尔动力(北京)技术股份有限公司 | Directional suspension bearing and fluid mechanism comprising directional suspension bearing |
| CN113389805A (en) * | 2021-05-14 | 2021-09-14 | 刘洪伟 | Wheel type stacked bearing |
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| CN201588877U (en) * | 2009-12-08 | 2010-09-22 | 钟素芬 | Vertical-type dynamic-static pressure main shaft component |
| CN201963733U (en) * | 2010-12-24 | 2011-09-07 | 东莞市尚正机电科技有限公司 | High-bearing cylinder mechanical motion hydraulic support and suspension system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102815642A (en) * | 2012-08-09 | 2012-12-12 | 湖南崇德工业科技有限公司 | Hydraulic jacking device for rotating mechanism |
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| CN102913544A (en) * | 2012-10-23 | 2013-02-06 | 湖北汽车工业学院 | Static-pressure bearing hinge pair with low rotation speed |
| CN105114458A (en) * | 2014-09-27 | 2015-12-02 | 摩尔动力(北京)技术股份有限公司 | Directional suspension bearing and fluid mechanism comprising directional suspension bearing |
| CN104653621A (en) * | 2015-02-02 | 2015-05-27 | 湖北安驭机械科技有限公司 | Oil supply mechanism for hydraulic oil line of hydraulic thrust bearing |
| CN113389805A (en) * | 2021-05-14 | 2021-09-14 | 刘洪伟 | Wheel type stacked bearing |
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| CN102042328B (en) | 2013-07-17 |
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