CN105834921A - Pushed oscillation type direct-driven ultrahigh-pressure fluid power system - Google Patents
Pushed oscillation type direct-driven ultrahigh-pressure fluid power system Download PDFInfo
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- CN105834921A CN105834921A CN201610340012.8A CN201610340012A CN105834921A CN 105834921 A CN105834921 A CN 105834921A CN 201610340012 A CN201610340012 A CN 201610340012A CN 105834921 A CN105834921 A CN 105834921A
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- Prior art keywords
- sector gear
- pressure fluid
- connecting rod
- central shaft
- pushed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a pushed oscillation type direct-driven ultrahigh-pressure fluid power system. The pushed oscillation type direct-driven ultrahigh-pressure fluid power system comprises a box, a servo motor, a linear guide rail, a screw nut, a ball screw, a rack, a sector gear, a connection flange, a left connection rod and a right connection rod. According to the pushed oscillation type direct-driven ultrahigh-pressure fluid power system, after rotational movement of the servo motor is changed into linear movement, the sector gear swings leftwards and rightwards around a central shaft within the 60-degree range, the axis of the central shaft serves as the datum point of the sector gear, the ratio of the length a of an upper swing arm of the sector gear to the length b of a lower swing arm of the sector gear is 3-10:1, and the pushing force of a left supercharger piston and a right supercharger piston is improved based on the moment multiple. The pushed oscillation type direct-driven ultrahigh-pressure fluid power system is high in reliability, high in cutting efficiency, low in failure rate and easy to apply and popularize.
Description
Technical field
The present invention relates to a kind of pushing formula and directly drive super high pressure fluid dynamical system.
Background technology
Water jet cutting mach is the most commonly used, its two kinds of frame modes of most employing: one, hydraulic-driven extremely-high tension generator, this type of drive stable drive, pressure ratio are big (1:20), but analyze from " hydraulic system " of power resources, its structure is more complicated, hydraulic system fault often occur in the long-term operating of machine, this kind of fault is in addition to oil pump, hydraulic part itself, and the cleaning problems of oil causes taking place frequently of hydraulic system accident besides.The cleaning of Hydraulic System Oil it is critical that, can ensure that in manufacturing in machine design, but due to reasons such as working environments, often in relevant seal, the work such as change oil are changed in periodic maintenance, inevitably bring impurity into, and tiny impurity can make hydraulic system be out of order.Two, direct-drive type extremely-high tension generator: this type of drive is to use mechanical transmission structure to push directly on supercharger systems, namely motor passes through gear, gear band dynamic crankshaft rotates, linear motion is changed in rotary motion, on bent axle, three connecting rod cranks push directly on three cylinder workings of booster, water under high pressure is released, thus produces high pressure kinetic energy fluid (test fluid base fluid is water)；Although its simple in construction, manufacturing cost is less than the former, but its reciprocating frequency is typically at 750 times/about min, and the former reciprocating frequency is 50-120 time/min (two-way), this high rotating speed causes dynamical system and the associated components of pressure charging system and consumable accessory is low for service life, the frequency changed is high, improves use cost.Though the available rotating speed that reduces improves service life, but its three diameter of piston rod are at about 8mm, if dilated diameter, under the water yield same case of water side, although rotary speed can be reduced, but the increasing of diameter will make booster total interior pressure strengthen, although compressive load per unit area is identical with life size, but total area is big, intensified pressure makes system to bear.
Power drive system fault rate in above two fluid jet high-pressure system is higher, cost is high, keep in repair or change consumable accessory frequently, and production efficiency decreases.
Summary of the invention
The technical problem to be solved is to provide the pushing formula that a kind of reliability is high, energy consumption is low, use cost is low, fault rate is few and directly drives super high pressure fluid dynamical system.
The present invention adopts the following technical scheme that
The present invention includes casing, servomotor, line slideway, screw, ball screw, tooth bar, sector gear, adpting flange, left connecting rod and right connecting rod；The central shaft of sector gear is arranged on sector gear bottom, and the top at central shaft center is top link, a length of a of top link, and the bottom at central shaft center is lower swing arm, a length of b of lower swing arm, then a:b=3-10:1；Described line slideway is arranged on described casing upper end, described sector gear is fixedly mounted in described casing by central shaft, the lower swing arm of sector gear is fixing with described adpting flange to be connected, described adpting flange two ends are connected with one end of described left connecting rod and right connecting rod by axle respectively, the described left connecting rod other end is connected with the piston of left booster, and the other end of described right connecting rod and the piston of right booster connect；Described casing top fixedly mounts described ball screw, described ball screw one end is connected with the output shaft of described servomotor, described ball screw is installed described screw, described screw upper end is connected with line slideway, described screw lower end is fixing with described tooth bar to be connected, and described tooth bar engages with the gear of described sector gear top link；The angle that described sector gear swings is 40-90.
The length of the length of the top link of sector gear of the present invention and the lower swing arm of sector gear is than for 6:1.
The angle that sector gear of the present invention swings is 60.
The power of servomotor of the present invention is 1-15KW.
The power of servomotor of the present invention is 5KW.
Good effect of the present invention is as follows: after the rotary motion of servomotor is become linear motion by the present invention, sector gear swings in the range of 40-90 around central shaft, swing in the range of being preferably 60, sector gear is point on the basis of central shaft, the ratio of length b of length a of the top link of sector gear and the lower swing arm of sector gear is 3-10:1, it is preferably 6:1, improves the thrust of left and right intensifier piston with this moment multiple.
The water jet cutting machine using dynamical system of the present invention has reached the maximum high-voltage water yield of more than 4.0L/min when cutting, makes cutting speed substantially improve 21.8% than prior art；Maintenance and repair cost is the 42% of prior art maintenance cost, reduces use cost, and the reliability of booster improves, and servomotor power most preferably 1-15KW of the present invention, preferably power are 5KW, and when servomotor power is 5KW, power consumption reduces by 7.4 times than original；And complete machine manufacturing cost reduces by 4.82%；Reliability of the present invention is high, cutting efficiency is high, fault rate is few, it is easy to popularization and application.
Accompanying drawing explanation
Accompanying drawing 1 is present configuration schematic diagram.
In the accompanying drawings: 1 servomotor, 2 line slideways, 3 screws, 4 ball screws, 5 tooth bars, 6 sector gears, 7 adpting flanges, 8 left connecting rods, 9 right connecting rods, 10 casings, 11 central shafts.
Detailed description of the invention
As shown in Figure 1, the present invention includes casing 10, servomotor 1, line slideway 2, screw 3, ball screw 4, tooth bar 5, sector gear 6, adpting flange 7, left connecting rod 8 and right connecting rod 9；The central shaft 11 of sector gear 6 is arranged on sector gear 6 bottom, and the top at central shaft 11 center is top link, a length of a of top link, and the bottom at central shaft 11 center is lower swing arm, a length of b of lower swing arm, then a:b=3-10:1, preferably a:b=6:1；Described line slideway 2 is arranged on described casing 10 upper end, described sector gear 6 is fixedly mounted in described casing 10 by central shaft 11, the lower swing arm of sector gear 6 is fixing with described adpting flange 7 to be connected, described adpting flange 7 two ends are connected with one end of described left connecting rod 8 and right connecting rod 9 by axle respectively, described left connecting rod 8 other end is connected with the piston of left booster, and the other end of described right connecting rod 9 and the piston of right booster connect；Described casing 10 top fixedly mounts described ball screw 4, described ball screw 4 one end is connected with the output shaft of described servomotor 1, the power of described servomotor 1 is 1-15KW, it is preferably 5KW, described ball screw 4 is installed described screw 3, described screw 3 upper end is connected with line slideway 2, and described screw 3 lower end is fixing with described tooth bar 5 to be connected, and described tooth bar 5 engages with the gear of described sector gear 6 top link；The angle that described sector gear 6 swings is 40-90, preferably 60.
The present invention is operationally, ball screw 4 makes screw mandrel 4 rotarily drive screw 3 under the driving of servomotor 1 and does straight reciprocating motion at line slideway 2, thus drive the sector gear 6 engaged with tooth bar 5 to rotate, when servomotor 1 does rotating rotation, sector gear 6 swings around central shaft reciprocating rotary in the range of 40-90, it is preferably 60, make left connecting rod 8 and right connecting rod 9 do straight reciprocating motion while swinging, promote the piston of left and right booster do straight reciprocating motion and released by water under high pressure.Top link of the present invention is engaged by the rack and pinion of power transmission end, rotates along central shaft；The center of central shaft is lower swing arm to left connecting rod 8 and right connecting rod 9 axis centre, promotes piston movement.
After the rotary motion of servomotor of the present invention becomes linear motion, sector gear 6 swings around central shaft reciprocating rotary in the range of 40-90, it is preferably 60, sector gear is point on the basis of the axle of central shaft, the ratio of length b of length a of the top link of sector gear and the lower swing arm of sector gear is 3-10:1, it is preferably 6:1, the thrust of left and right intensifier piston is improved with this moment multiple, reciprocating frequence controls in 50-120 time/min (bi-directional frequency), both improve service life, eliminate again loaded down with trivial details hydraulic system.The water jet cutting machine using dynamical system of the present invention has reached the maximum high-voltage water yield of more than 4.0L/min when cutting, makes cutting speed substantially improve 21.8% than prior art；Maintenance and repair cost is the 42% of prior art maintenance cost, reduces use cost, and the reliability of booster improves, servomotor power most preferably 5KW of the present invention, and power consumption can be made to reduce by 7.4 times than original；And complete machine manufacturing cost reduces by 4.82%；Reliability of the present invention is high, cutting efficiency is high, fault rate is few, it is easy to popularization and application.
The above embodiment is only the preferred embodiments of the present invention, and and non-invention possible embodiments exhaustive.For persons skilled in the art, any obvious change done to it on the premise of without departing substantially from the principle of the invention and spirit, within all should being contemplated as falling with the claims of the present invention.
Claims (5)
1. a pushing formula directly drives super high pressure fluid dynamical system, it is characterised in that it includes casing (10), servomotor (1), line slideway (2), screw (3), ball screw (4), tooth bar (5), sector gear (6), adpting flange (7), left connecting rod (8) and right connecting rod (9)；
The central shaft (11) of sector gear (6) is arranged on sector gear (6) bottom, and the top at central shaft (11) center is top link, a length of a of top link, and the bottom at central shaft (11) center is lower swing arm, a length of b of lower swing arm, then a:b=3-10:1；
Described line slideway (2) is arranged on described casing (10) upper end, described sector gear (6) is fixedly mounted in described casing (10) by central shaft (11), the lower swing arm of sector gear (6) is fixing with described adpting flange (7) to be connected, described adpting flange (7) two ends are connected with one end of described left connecting rod (8) and right connecting rod (9) by axle respectively, described left connecting rod (8) other end is connected with the piston of left booster, and the other end of described right connecting rod (9) and the piston of right booster connect；Described casing (10) top fixedly mounts described ball screw (4), described ball screw (4) one end is connected with the output shaft of described servomotor (1), at described ball screw (4) the described screw of upper installation (3), described screw (3) upper end is connected with line slideway (2), described screw (3) lower end is fixing with described tooth bar (5) to be connected, and described tooth bar (5) engages with the gear of described sector gear (6) top link；The angle that described sector gear (6) swings is 40-90.
A kind of pushing formula the most according to claim 1 directly drives super high pressure fluid dynamical system, it is characterised in that the length of the length of the top link of described sector gear (6) and the lower swing arm of sector gear (6) ratio is for 6:1.
A kind of pushing formula the most according to claim 1 and 2 directly drives super high pressure fluid dynamical system, it is characterised in that the angle that described sector gear (6) swings is 60.
A kind of pushing formula the most according to claim 3 directly drives super high pressure fluid dynamical system, it is characterised in that the power of described servomotor (1) is 1-15KW.
A kind of pushing formula the most according to claim 4 directly drives super high pressure fluid dynamical system, it is characterised in that the power of described servomotor (1) is 5KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340012.8A CN105834921B (en) | 2016-05-21 | 2016-05-21 | A kind of pushing formula directly drives super high pressure fluid dynamical system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610340012.8A CN105834921B (en) | 2016-05-21 | 2016-05-21 | A kind of pushing formula directly drives super high pressure fluid dynamical system |
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| CN105834921A true CN105834921A (en) | 2016-08-10 |
| CN105834921B CN105834921B (en) | 2018-03-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139673A (en) * | 2016-12-22 | 2017-09-08 | 南京理工大学 | Electric motor type active lateral stabiliser bar |
| CN109383208A (en) * | 2017-08-10 | 2019-02-26 | 益阳天华两栖车艇有限公司 | A kind of rotary control arm assembly |
Citations (9)
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|---|---|---|---|---|
| GB190525262A (en) * | 1905-12-05 | 1906-12-05 | Cb Cottrell & Sons Co | Improvements in Pressure Controlling Devices for the Air Springs of Printing Presses. |
| US3426569A (en) * | 1967-01-31 | 1969-02-11 | Cyril Bath Co | Stretch forming machine and segmental adjustable die combination |
| CN1095793A (en) * | 1994-03-07 | 1994-11-30 | 孙立言 | Wave power device |
| RU2079683C1 (en) * | 1994-01-26 | 1997-05-20 | Виктор Владимирович Потапов | Internal combustion engine |
| CN101117916A (en) * | 2007-07-12 | 2008-02-06 | 闫官清 | Double-pendulum internal-combustion engine |
| CN101781997A (en) * | 2010-02-04 | 2010-07-21 | 钱戈 | Crankless piston type stepless speed change engine and design method |
| CN202056020U (en) * | 2011-04-22 | 2011-11-30 | 罗小洪 | Secondary-level pressurizing horizontal type vehicle-mounted air compressor |
| CN204567652U (en) * | 2015-03-27 | 2015-08-19 | 同济大学 | The motor-driven EHB of a kind of employing |
| CN205765653U (en) * | 2016-05-21 | 2016-12-07 | 上海金箭水射流设备制造有限公司 | A kind of pushing formula directly drives super high pressure fluid dynamical system |
-
2016
- 2016-05-21 CN CN201610340012.8A patent/CN105834921B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190525262A (en) * | 1905-12-05 | 1906-12-05 | Cb Cottrell & Sons Co | Improvements in Pressure Controlling Devices for the Air Springs of Printing Presses. |
| US3426569A (en) * | 1967-01-31 | 1969-02-11 | Cyril Bath Co | Stretch forming machine and segmental adjustable die combination |
| RU2079683C1 (en) * | 1994-01-26 | 1997-05-20 | Виктор Владимирович Потапов | Internal combustion engine |
| CN1095793A (en) * | 1994-03-07 | 1994-11-30 | 孙立言 | Wave power device |
| CN101117916A (en) * | 2007-07-12 | 2008-02-06 | 闫官清 | Double-pendulum internal-combustion engine |
| CN101781997A (en) * | 2010-02-04 | 2010-07-21 | 钱戈 | Crankless piston type stepless speed change engine and design method |
| CN202056020U (en) * | 2011-04-22 | 2011-11-30 | 罗小洪 | Secondary-level pressurizing horizontal type vehicle-mounted air compressor |
| CN204567652U (en) * | 2015-03-27 | 2015-08-19 | 同济大学 | The motor-driven EHB of a kind of employing |
| CN205765653U (en) * | 2016-05-21 | 2016-12-07 | 上海金箭水射流设备制造有限公司 | A kind of pushing formula directly drives super high pressure fluid dynamical system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139673A (en) * | 2016-12-22 | 2017-09-08 | 南京理工大学 | Electric motor type active lateral stabiliser bar |
| CN107139673B (en) * | 2016-12-22 | 2023-10-13 | 南京理工大学 | Motor type initiative transverse stabilizer bar |
| CN109383208A (en) * | 2017-08-10 | 2019-02-26 | 益阳天华两栖车艇有限公司 | A kind of rotary control arm assembly |
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| Publication number | Publication date |
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| CN105834921B (en) | 2018-03-02 |
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