CN103803257A - Hydraulic suspension load-carrying operation device - Google Patents
Hydraulic suspension load-carrying operation device Download PDFInfo
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- CN103803257A CN103803257A CN201410081025.9A CN201410081025A CN103803257A CN 103803257 A CN103803257 A CN 103803257A CN 201410081025 A CN201410081025 A CN 201410081025A CN 103803257 A CN103803257 A CN 103803257A
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Abstract
The invention relates to a device performing load-carrying operation by using a hydraulic suspension principle. The device is used on an engraving machine and other load-carrying short-distance conveying machines, and comprises a movable part and a fixed part, wherein the movable part is used as a bearing table; the fixed part is used in coordination with the movable part and arranged below the movable part; the movable part and the fixed part adopt concave-convex rotating or sliding structures driven by suspension power generated in such a way that liquid is filled to form a liquid membrane; a concave-convex rail is adjustable in width according to the requirement of carrying capacity; a gap is formed between the rotating or sliding structures of the movable part and the fixed part. The device further comprises a recovery tank, a vacuum recovery pump and a hydraulic pump, which are filled with hydraulic fluid; the recovery tank is connected to the vacuum recovery pump through a pipeline; the vacuum recovery pump is communicated with the hydraulic fluid in the hydraulic pump through a pipeline. When the hydraulic pump operates under the pressing condition, the movable part floats on the fixed part under the action of the fluid pressure, so that the device can do mechanical rotation and linear operation, and is high in load carrying capacity, stability and controllability, and low in cost when compared with a device with a bearing and a steel rail.
Description
Technical field
The present invention relates to the load-carrying running gear of mechanical field, particularly utilize hydraulic pressure suspension principle to carry out the device of load-carrying operation, use and transport other mechanically at engraving machine and load-carrying short range.
Background technology
Existing load-carrying running gear, its operation position is all to use bearing and iron and steel track substantially, realizes linear slide or rotating operation.Bearing has almost become indispensable workpiece in machinery industry.Iron and steel trajectory accuracy is low, but bearing has its weak point, and bearing is had relatively high expectations in precision, in equipment, must have the bearing carrier ring supporting with it or bearing seat, and the ball of bearing or roller bearing easily wearing and tearing are cracked, hinder operation, when serious, can cause damage to equipment.Need periodic inspection and change bearing, time-consuming, increase cost.And, because the mechanical resistance properties of bearing is not high especially, therefore affected the load-carrying ability of equipment.
Summary of the invention
The present invention, in view of existing the problems referred to above of running gear in current machinery industry, invents the device that utilizes hydraulic pressure suspension principle to carry out load-carrying operation.
Hydraulic pressure suspension load-carrying running gear is to utilize hydraulic way to replace the new design of bearing mode, comprises rotation and two kinds of operating structures of straight line.Structural common ground is: they all have movable part and fixed parts; Location between movable part and fixed parts is all to utilize mutually agreeing with between corresponding site indent in the middle of the lower protruding and fixed parts of movable member center; Be all to utilize fluid under pressure to be pressed into the gap between movable part and fixed parts, forming fluid cushion formula slide rail can control accuracy relative superiority or inferiority move.The present invention is a kind of by the derivative two kinds of structures with constructed feature of total inventive concept.
Technical essential of the present invention is such:
Hydraulic pressure suspension load-carrying running gear, comprises movable part and its matching used connecting element in below as plummer.Movable part is rotating disk or slide plate, and connecting element is chassis or base plate.Between movable part and connecting element, form rotation or the slide construction of concavo-convex form, and there is gap between the rotation of movable part and connecting element or slide construction.This hydraulic pressure suspension load-carrying running gear also comprises reclaim tank, vacuum recovery pump and Hydraulic Pump that hydraulic fluid is housed.Reclaim tank is connected to vacuum recovery pump by pipeline, hydraulic fluid in vacuum recovery pump and Hydraulic Pump is by pipeline connection, Hydraulic Pump is pressed into hydraulic fluid in the gap between rotation or the slide construction of movable part and connecting element, then turns back to reclaim tank and form circulation stream.When Hydraulic Pump pressurized operation, movable part floats on connecting element under the effect of fluid pressure, can carry out mechanical rotation and linear running, and than using, bearing and the load-carrying of iron and steel track are large.
Described hydraulic pressure suspension load-carrying running gear is rotary type hydraulic suspension load-carrying running gear, comprises rotating disk, chassis, servomotor, vacuum recovery pump, Hydraulic Pump and main reclaim tank as plummer; Described rotating disk and chassis are circular discs, and rotating disk is arranged on top, chassis; There is a centralized positioning cylinder to lower convexity at the center of rotating disk; Match with it, center chassis has a recessed circle in location, locates recessed circle diameter and be slightly larger than the diameter of centered cylinder, makes centered cylinder form free-running fit in the recessed circle in location; In the edge of rotating disk, side-lower also has the outer dome rail of a circle; Match with it, the relative position on chassis has the rail groove of a circle indent, and rail groove width is slightly larger than the width of outer dome rail, and outer dome rail is same formation free-running fit in rail groove; Outer dome rail is connected with the gap in the recessed circle in location with gap and centered cylinder in rail groove, makes structure gap in aggregates path between rotating disk and chassis; In described main reclaim tank, hydraulic fluid is housed, main reclaim tank is connected to vacuum recovery pump by pipeline, and the hydraulic fluid in vacuum recovery pump and Hydraulic Pump is by pipeline connection; Hydraulic fluid in Hydraulic Pump is entered in the gap between described outer dome rail and rail groove by Pipeline transport again, thereby by the overall gap forming between rotating disk and chassis, makes to be all full of in it liquid; Liquid is back to main reclaim tank again from the gap between outer dome rail and rail groove, forms circulation stream.
Be provided with a servomotor in rotating disk outside, be equipped with tooth axle on the turning cylinder of servomotor, be equipped with in rotating disk outer rim the gear bar that a circle is meshed with it, rotating disk can rotate under the drive of servomotor.
Be positioned at the position, gap of chassis and rotating disk in chassis outer most edge, be provided with a circle outer rim reclaim tank; Outer rim reclaim tank is communicated with described gap, and outer rim reclaim tank is connected with vacuum recovery pump by the pipeline that is connected to its bottom, and liquid is fed back to vacuum recovery pump.
Described hydraulic pressure suspension load-carrying running gear is straight line hydraulic pressure suspension load-carrying running gear, comprises as slide plate, base plate, vacuum recovery pump, the Hydraulic Pump of plummer and is positioned on the reclaim tank under slide plate; Described base plate is an elongated plates, and slide plate is arranged on base plate; There is a centralized positioning slide block to lower convexity at the center of slide plate; Match with it, base plate center has the detent of a strip shape; The width of detent is slightly larger than the width of centralized positioning slide block, makes centralized positioning slide block in detent, form free-running fit; In the both sides of slide plate, respectively hang a rectangle reclaim tank, hydraulic fluid is inside housed; Match with reclaim tank, the relative position of base plate also respectively has a strip groove, the width of strip groove and be highly slightly larger than width and the height of reclaim tank, and reclaim tank is same in strip groove forms free-running fit; Each convex platform---convex track that forms a strip between detent on base plate and the strip groove of both sides; Gap in gap in reclaim tank and strip groove and centralized positioning slide block and detent, is connected with the gap between slide plate by convex track, makes structure gap in aggregates path between slide plate and base plate; Reclaim tank is connected to the vacuum recovery pump being positioned on slide plate by pipeline, the hydraulic fluid in vacuum recovery pump and Hydraulic Pump is by pipeline connection; Hydraulic fluid in Hydraulic Pump is entered in the gap between described centralized positioning slide block and detent by Pipeline transport again, thereby by the overall gap forming between slide plate and base plate, make to be all full of liquid in it, liquid is back to reclaim tank again, forms circulation stream.
The length of slide plate is less than the length of base plate.
At slide plate two ends, at the outer rim place in itself and base plate gap, be respectively provided with a circle sealing block, hinder leak of liquid.
The present invention can use at engraving machine and load-carrying short range and transport other mechanically, and it utilizes hydraulic pressure suspension track buoyancy kinetic energy technology, can make mechanical rotation and linear running work under controlled driving.It moves, and power used is little, and load carrying ability is large, and than using bearing and the load-carrying of iron and steel track is large, cost is low, stability, controllability are strong.The mode of concavo-convex liquid filling liquid track liquid film, produce the controlled micron of suspension kinetic energy by Hydraulic Pump pipeline, be converted into liquid film buoyancy kinetic energy.The present invention can reclaim hydraulic fluid purifying and cooling again hydraulic return pump liquid case recycle; Running precision can reach a micron error; Watt loss is low; With centralized positioning, make operation more stable.
Accompanying drawing explanation
Fig. 1 is rotary type hydraulic suspension load-carrying running gear schematic diagram,
Fig. 2 is straight line hydraulic pressure suspension load-carrying running gear schematic diagram,
Fig. 3 is slide plate, the base plate schematic perspective view of straight line hydraulic pressure suspension load-carrying running gear.
Mark in figure:
1 rotating disk, 2 chassis, 3 centralized positioning cylinders, 4 outer dome rails, the 5 recessed circles in location, 6 rail grooves, 7 gear bars, 8 servomotors, 9 vacuum recovery pumps, 10 Hydraulic Pumps, 11 outer rim reclaim tanks, 12 firm bankings, 13 center reclaim tanks, 14 fix screws, 15 slide plates, 16 base plates, 17 reclaim tanks, 18 centralized positioning slide blocks, 19 detents, 20 strip grooves, 21 convex tracks, 22 sealing blocks.
The specific embodiment
Two embodiment of the present invention are shown in Fig. 1 and Fig. 2.
Shown in Fig. 1 is the principle schematic of embodiment mono-rotary type hydraulic suspension load-carrying running gear.
Referring to Fig. 1, rotary type hydraulic suspension load-carrying running gear comprises rotating disk 1, chassis 2, servomotor 8, vacuum recovery pump 9, Hydraulic Pump 10 and the main reclaim tank 11 as plummer.Described rotating disk 1 and chassis 2 are circular discs.Rotating disk 1 is arranged on 2 tops, chassis, and its diameter is greater than the diameter on chassis 2.Chassis 2 is arranged on firm banking 12 by fix screw 14.There is a centralized positioning cylinder 3 to lower convexity at the center of rotating disk 1; Match with it, 2 centers, chassis have a recessed circle 5 in location, locate the slightly larger in diameter of recessed circle 5 in the diameter of centered cylinder 3, make centered cylinder 3 in the interior formation free-running fit of the recessed circle 5 in location.In the edge of rotating disk 1, side-lower also has the outer dome rail 4 of a circle; Match with it, the relative position on chassis 2 has the rail groove 6 of a circle indent, and rail groove 6 width are slightly larger than the width of outer dome rail 4, and outer dome rail 4 is in the interior same formation free-running fit of rail groove 6.Outer dome rail 4 is connected with the gap in the recessed circle 5 in location with gap and centered cylinder 3 in rail groove 6, makes structure gap in aggregates path between rotating disk 1 and chassis 2.This structure not only makes rotating disk 1 stably be arranged on chassis 2, and can on chassis 2, rotate.Be provided with a servomotor 8 in rotating disk 1 outside, be equipped with tooth axle on the turning cylinder of servomotor 8, be equipped with in rotating disk 1 outer rim the gear bar 7 that a circle is meshed with it, 1 of rotating disk can rotate under the drive of servomotor 8.Described main reclaim tank 11 is positioned at the bottom center on chassis 2, and hydraulic fluid is inside housed, and main reclaim tank 11 is connected to vacuum recovery pump 9 by pipeline, and the hydraulic fluid in vacuum recovery pump 9 and Hydraulic Pump 10 is by pipeline connection.Hydraulic fluid in Hydraulic Pump 10 is entered in the gap between described outer dome rail 4 and rail groove 6 by Pipeline transport again, thereby by the overall gap forming between rotating disk 1 and chassis 2, make to be all full of in it liquid, liquid is back to main reclaim tank 11 again from the gap between outer dome rail 4 and rail groove 6, forms circulation stream.Main reclaim tank 11 not only plays the effect of storage, collection and sap pressure supply liquid, and play to hydraulic fluid filtering-depositing and cooling effect.In the time of Hydraulic Pump 10 pressurized operation, rotating disk 1 can float on chassis 2 under the effect of fluid pressure, makes it rotation freely.The resistance that rotating disk 1 is subject to while rotation is by the resistance much smaller than using the equipment of ball bearing of main shaft to be subject to.Be positioned at the position, gap of chassis 2 and rotating disk 1 in chassis 2 outer most edge, be provided with a circle outer rim reclaim tank 11.Outer rim reclaim tank 11 is communicated with described gap, plays the effect of the intermediate station of withdrawal liquid, and most importantly plays seal clearance and prevent the effect of liquid spill.Outer rim reclaim tank 11 is connected with vacuum recovery pump 9 by the pipeline that is connected to its bottom, and liquid is fed back to vacuum recovery pump 9.
Shown in Fig. 2 is embodiment bis-straight line hydraulic pressure suspension load-carrying running gear principle schematic.
Shown in Fig. 3 is slide plate, the base plate of the embodiment bis-straight line hydraulic pressure suspension load-carrying running gears schematic perspective view while matching.
Referring to Fig. 2 and Fig. 3, straight line hydraulic pressure suspension load-carrying running gear comprises as slide plate 15, base plate 16, vacuum recovery pump 9, the Hydraulic Pump 10 of plummer and is positioned on the reclaim tank 17 under slide plate 15.Described base plate 16 is an elongated plates, and slide plate 15 is arranged on base plate 16, and its length is less than the length of base plate 16, and width is equal to or slightly less than the width of base plate 16.Base plate 16 is arranged on firm banking 12 by fix screw 14.Have a centralized positioning slide block 18 to lower convexity at slide plate 15 center, centralized positioning slide block 18 is isometric with slide plate 15.Match with centralized positioning slide block 18, base plate 16 centers have the detent 19 of a strip shape.The width of detent 19 is slightly larger than the width of centralized positioning slide block 18, makes centralized positioning slide block 18 in the interior formation free-running fit of detent 19.In the both sides of slide plate 15, respectively hang a rectangle reclaim tank 17, hydraulic fluid is inside housed.The length of reclaim tank 17 is equal to or less than the length of slide plate 15.Match with reclaim tank 17, the relative position of base plate 16 also respectively has a strip groove 20, and the length of strip groove 20 equals or according to the length that the requirement of range ability is less than to base plate 16.The width of strip groove 20 and be highly slightly larger than reclaim tank 17 width and height, reclaim tank 17 is in the interior same formation free-running fit of strip groove 20.Each convex platform---convex track 21 that forms a strip between detent 19 on base plate 16 and the strip groove 20 of both sides.Gap in gap in reclaim tank 17 and strip groove 20 and centralized positioning slide block 18 and detent 19, is connected with the gap between slide plate 15 by convex track 21, makes structure gap in aggregates path between slide plate 15 and base plate 16.This structure not only makes slide plate 15 stably be arranged on base plate 16, and can on base plate 16, slide.In described reclaim tank 17, hydraulic fluid is housed, reclaim tank 17 is connected to the vacuum recovery pump 9 being positioned on slide plate 15 by pipeline, and the hydraulic fluid in vacuum recovery pump 9 and Hydraulic Pump 10 is by pipeline connection.Hydraulic fluid in Hydraulic Pump 10 is entered in the gap between described centralized positioning slide block 18 and detent 19 by Pipeline transport again, thereby by the overall gap forming between slide plate 15 and base plate 16, make to be all full of liquid in it, liquid is back to reclaim tank 17 again, forms circulation stream.Reclaim tank 17 not only plays the effect of storage, collection and sap pressure supply liquid, and play to hydraulic fluid filtering-depositing and cooling effect.At slide plate 15 two ends, at the outer rim place in itself and base plate 16 gaps, be respectively provided with a circle sealing block 22, hinder leak of liquid.In the time of Hydraulic Pump 10 pressurized operation, slide plate 15 can float on base plate 16 under the effect of fluid pressure, makes it to slide freely.The resistance that slide plate 15 is subject to while operation is by the resistance much smaller than using the equipment of ball bearing of main shaft to be subject to.The operation of slide plate 15, by external promotion, belongs to routine techniques.
Above-mentioned rotary type hydraulic suspension load-carrying running gear and straight line hydraulic pressure suspension load-carrying running gear be all by Hydraulic Pump pipeline among liquid filling track, liquid film produces the controlled micron of suspension kinetic energy, is converted into liquid film buoyancy kinetic energy.
Claims (7)
1. hydraulic pressure suspension load-carrying running gear, comprises movable part and its matching used connecting element in below as plummer; Movable part is rotating disk or slide plate, and connecting element is chassis or base plate; It is characterized in that: between movable part and connecting element, form rotation or the slide construction of concavo-convex form, and there is gap between the rotation of movable part and connecting element or slide construction; This hydraulic pressure suspension load-carrying running gear also comprises reclaim tank, vacuum recovery pump and Hydraulic Pump that hydraulic fluid is housed; Reclaim tank is connected to vacuum recovery pump by pipeline, hydraulic fluid in vacuum recovery pump and Hydraulic Pump is by pipeline connection, Hydraulic Pump is pressed into hydraulic fluid in the gap between rotation or the slide construction of movable part and connecting element, then turns back to reclaim tank and form circulation stream; When Hydraulic Pump pressurized operation, movable part floats on connecting element under the effect of fluid pressure, can carry out mechanical rotation and linear running, and than using, bearing and the load-carrying of iron and steel track are large.
2. hydraulic pressure suspension load-carrying running gear according to claim 1, it is characterized in that: described hydraulic pressure suspension load-carrying running gear is rotary type hydraulic suspension load-carrying running gear, comprise rotating disk, chassis, servomotor, vacuum recovery pump, Hydraulic Pump and main reclaim tank as plummer; Described rotating disk and chassis are circular discs, and rotating disk is arranged on top, chassis; There is a centralized positioning cylinder to lower convexity at the center of rotating disk; Match with it, center chassis has a recessed circle in location, locates recessed circle diameter and be slightly larger than the diameter of centered cylinder, makes centered cylinder form free-running fit in the recessed circle in location; In the edge of rotating disk, side-lower also has the outer dome rail of a circle; Match with it, the relative position on chassis has the rail groove of a circle indent, and rail groove width is slightly larger than the width of outer dome rail, and outer dome rail is same formation free-running fit in rail groove; Outer dome rail is connected with the gap in the recessed circle in location with gap and centered cylinder in rail groove, makes structure gap in aggregates path between rotating disk and chassis; In described main reclaim tank, hydraulic fluid is housed, main reclaim tank is connected to vacuum recovery pump by pipeline, and the hydraulic fluid in vacuum recovery pump and Hydraulic Pump is by pipeline connection; Hydraulic fluid in Hydraulic Pump is entered in the gap between described outer dome rail and rail groove by Pipeline transport again, thereby by the overall gap forming between rotating disk and chassis, makes to be all full of in it liquid; Liquid is back to main reclaim tank again from the gap between outer dome rail and rail groove, forms circulation stream.
3. hydraulic pressure suspension load-carrying running gear according to claim 1 and 2, it is characterized in that: be provided with a servomotor in rotating disk outside, on the turning cylinder of servomotor, be equipped with tooth axle, be equipped with in rotating disk outer rim the gear bar that a circle is meshed with it, rotating disk can rotate under the driving of servomotor.
4. according to the hydraulic pressure suspension load-carrying running gear described in claim 2 or 3, it is characterized in that: be positioned at the position, gap of chassis and rotating disk in chassis outer most edge, be provided with a circle outer rim reclaim tank; Outer rim reclaim tank is communicated with described gap, and outer rim reclaim tank is connected with vacuum recovery pump by the pipeline that is connected to its bottom, and liquid is fed back to vacuum recovery pump.
5. hydraulic pressure suspension load-carrying running gear according to claim 1, it is characterized in that: described hydraulic pressure suspension load-carrying running gear is straight line hydraulic pressure suspension load-carrying running gear, comprise as slide plate, base plate, vacuum recovery pump, the Hydraulic Pump of plummer and be positioned on the reclaim tank under slide plate; Described base plate is an elongated plates, and slide plate is arranged on base plate; There is a centralized positioning slide block to lower convexity at the center of slide plate; Match with it, base plate center has the detent of a strip shape; The width of detent is slightly larger than the width of centralized positioning slide block, makes centralized positioning slide block in detent, form free-running fit; In the both sides of slide plate, respectively hang a rectangle reclaim tank, hydraulic fluid is inside housed; Match with reclaim tank, the relative position of base plate also respectively has a strip groove, the width of strip groove and be highly slightly larger than width and the height of reclaim tank, and reclaim tank is same in strip groove forms free-running fit; Each convex platform---convex track that forms a strip between detent on base plate and the strip groove of both sides; Gap in gap in reclaim tank and strip groove and centralized positioning slide block and detent, is connected with the gap between slide plate by convex track, makes structure gap in aggregates path between slide plate and base plate; Reclaim tank is connected to the vacuum recovery pump being positioned on slide plate by pipeline, the hydraulic fluid in vacuum recovery pump and Hydraulic Pump is by pipeline connection; Hydraulic fluid in Hydraulic Pump is entered in the gap between described centralized positioning slide block and detent by Pipeline transport again, thereby by the overall gap forming between slide plate and base plate, make to be all full of liquid in it, liquid is back to reclaim tank again, forms circulation stream.
6. hydraulic pressure suspension load-carrying running gear according to claim 1 or 5, is characterized in that: the length of slide plate is less than the length of base plate.
7. according to the hydraulic pressure suspension load-carrying running gear described in claim 5 or 6, it is characterized in that: at slide plate two ends, at the outer rim place in itself and base plate gap, be respectively provided with a circle sealing block, hinder leak of liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081025.9A CN103803257B (en) | 2014-03-06 | 2014-03-06 | Hydraulic pressure suspension load-carrying running gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081025.9A CN103803257B (en) | 2014-03-06 | 2014-03-06 | Hydraulic pressure suspension load-carrying running gear |
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| CN103803257A true CN103803257A (en) | 2014-05-21 |
| CN103803257B CN103803257B (en) | 2016-03-23 |
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| CN201410081025.9A Expired - Fee Related CN103803257B (en) | 2014-03-06 | 2014-03-06 | Hydraulic pressure suspension load-carrying running gear |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6138836A (en) * | 1984-07-28 | 1986-02-24 | Citizen Watch Co Ltd | Fixing/guiding method of sliding member |
| CN1548270A (en) * | 2003-05-14 | 2004-11-24 | 鸿富锦精密工业（深圳）有限公司 | Guide rail for processing machine |
| JP2006231483A (en) * | 2005-02-25 | 2006-09-07 | Mitsubishi Heavy Ind Ltd | Static pressure guiding device and machining center with static pressure guiding device |
| CN201257596Y (en) * | 2008-08-29 | 2009-06-17 | 天水锻压机床有限公司 | Static pressure down loading guide rail |
| CN101549460A (en) * | 2009-05-12 | 2009-10-07 | 东华大学 | No-drifting high accurate open type static pressure guide rail |
| CN102079046A (en) * | 2010-12-24 | 2011-06-01 | 东莞市尚正机电科技有限公司 | High-precision liquid bearing suspension guide rail for high-bearing machine tool operation |
-
2014
- 2014-03-06 CN CN201410081025.9A patent/CN103803257B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6138836A (en) * | 1984-07-28 | 1986-02-24 | Citizen Watch Co Ltd | Fixing/guiding method of sliding member |
| CN1548270A (en) * | 2003-05-14 | 2004-11-24 | 鸿富锦精密工业（深圳）有限公司 | Guide rail for processing machine |
| JP2006231483A (en) * | 2005-02-25 | 2006-09-07 | Mitsubishi Heavy Ind Ltd | Static pressure guiding device and machining center with static pressure guiding device |
| CN201257596Y (en) * | 2008-08-29 | 2009-06-17 | 天水锻压机床有限公司 | Static pressure down loading guide rail |
| CN101549460A (en) * | 2009-05-12 | 2009-10-07 | 东华大学 | No-drifting high accurate open type static pressure guide rail |
| CN102079046A (en) * | 2010-12-24 | 2011-06-01 | 东莞市尚正机电科技有限公司 | High-precision liquid bearing suspension guide rail for high-bearing machine tool operation |
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