CN103671761A - Synchronous drive mechanism of forward gear and backward gear of circulation type forward and backward turning and variable speed vacuum compressor - Google Patents
Synchronous drive mechanism of forward gear and backward gear of circulation type forward and backward turning and variable speed vacuum compressor Download PDFInfo
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- CN103671761A CN103671761A CN201310715005.8A CN201310715005A CN103671761A CN 103671761 A CN103671761 A CN 103671761A CN 201310715005 A CN201310715005 A CN 201310715005A CN 103671761 A CN103671761 A CN 103671761A
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- gear
- transition
- transition gear
- axle
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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
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
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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
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/14—Gearings for reversal only
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention belongs to a vacuum compressor, and particularly relates to a synchronous drive mechanism of a forward gear and a backward gear of a circulation type forward and backward turning and variable speed vacuum compressor. The synchronous drive mechanism comprises a transition gear shaft A of a reducing mechanism, and is characterized in that the bottom end of the transition gear shaft A is in key connection with a transition gear A, the transition gear A is meshed with an input gear, and the synchronous drive mechanism of the forward gear and the forward gear is installed at the top of the transition gear shaft A and is composed of a transition gear B, a shaft cover, a transition gear C, a transition gear shaft C and a transition gear support. The transition gear A is meshed with the input gear through the transition gear A and drives the transition gear B to achieve forward and backward synchronous driving of two turning gears A. The synchronous drive mechanism is reasonable in design and compact in structure, and under the condition of low rotation speed after speed reduction, the forward turning gear A and the backward turning gear A have the advantages of the small impact, stable and reliable transmission performance and the like.
Description
Technical field
The invention belongs to vacuum compressor, particularly a kind of forward and reverse gear synchronous driving mechanism of circulating positive and negative break-in speed change vacuum compressor.
Background technique
At present, in engineering goods, such as the mechanical transmission of reciprocating vacuum pump and reciprocal compressor, its structure mostly adopts motor, with the driving mechanism of transmission driving crank and eccentric wheel type.By adopting slide block and connecting rod to coordinate promotion piston to realize to-and-fro motion, owing to being subject to the restriction of the above-mentioned kind of drive, its cylinder body distribution form can only be V-type, fan type or twin-tub type in parallel.Due to bent axle and eccentric wheel transmission existence periodicity flex point or dead point---export the dead point that torque is " 0 "; During transmission, will inevitably cause vibrations and noise, and bent axle and eccentric gearing do not have reinforcement coefficient; So power consumption is just large, especially when compression ratio---when head pressure/incoming pressure is larger, power consumption is very uneconomic.This is also why toward trans vacuum pump and past trans compressor, to be the reason of autonomous device at present; And these are independently toward trans vacuum pump and independently many toward trans compressor both parts, not only Heavy Weight but also structure were not compact.In recent years, the problem existing in order to solve the mechanical transmission of above-mentioned reciprocating vacuum pump and reciprocal compressor, the vertical figure of people is large from utilizing power screw to have reinforcement coefficient, the accurate characteristic that operates steadily is set out, in conjunction with adopting elastic force to control the round reversing arrangement of leading screw, and researched and developed a kind of reciprocating screw vacuum compressor that the patent No. is ZL201110158356.4, its structure comprises by support, motor, band transmission, follower, back shaft, gear transmission reversing mechanism, hollow shaft, bearing support, hollow leading screw, screw, screw sleeve pipe, connecting sleeve, reversing bar, the electric transmission of the spiral reciprocating type that spring mechanism and jaw clutch form, the commutation of the reversing bar in the electric transmission of its spiral reciprocating type is rotated, drive is by cylinder body, piston, sealed joint pipe, Sealing first, middle separate space, Sealing second, front separate space, rear separate space, three-way type suction valve, three-way type outlet valve, middle three-way type outlet valve, middle three-way type suction valve, the vacuum compression device that total air escape pipe and total inlet pipe form, piston series connection group in vacuum compression dress, continuous past in cylinder body, return motion, realizing this vacuum compressor integrates and vacuumizes and compression function.Although the structure of the more above-mentioned reciprocating vacuum pump of this reciprocating screw vacuum compressor and reciprocal compressor, there is progress, but still there are some shortcoming and defect in its transmission device, topmost shortcoming is that its jaw clutch is easy to de-knot when normal work and its transmission device can not normally be worked under high-speed condition, has restricted vacuumizing with the efficiency of compression function of vacuum compressor and has improved, therefore, the shortcoming and defect existing for above-mentioned technology, the applicant has conceived a kind of circulating positive and negative break-in speed change vacuum compressor, this circulating positive and negative break-in speed change vacuum compressor is by support, motor and the motor drive component forming with transmission drive positive and negative break-in speed changing type transmission device, this positive and negative break-in speed changing type transmission device comprises speed reducer, forward and reverse gear synchronous driving mechanism, positive and negative deviator and speeder, wherein by forward and reverse gear synchronous driven unit, driven by change gear axle, a change gear, upper and lower axle sleeve, key is rolled in break-in, duckbilled key asembly, b change gear, upper and lower end cap, forward and reverse change gear mechanism that free wheel device and free wheel device cover form, this circulating positive and negative break-in speed change vacuum compressor is being grasped the transmission scheme of collection high speed → deceleration → break-in → speedup, through speed reducer and positive and negative break-in assembly, the high rotating speed of input is down to after the slow-speed of revolution and break-in, through speeder, slow-speed of revolution speedup is arrived again to the high rotating speed of output shaft, by the output shaft in positive and negative break-in speed changing type transmission device with high rotating speed drive piston series connection group in vacuum compression device constantly vacuum compression cylinder body past, return motion, realize the efficient function that vacuumizes with compress of this vacuum compressor, for this reason, require the forward and reverse gear synchronous driving mechanism in circulating positive and negative break-in speed change vacuum compressor, must there is compactness rational in infrastructure, the function that transmission performance is reliable and stable.Therefore, innovative development is applicable to a kind of forward and reverse gear synchronous driving mechanism of circulating positive and negative break-in speed change vacuum compressor, is very necessary.
Summary of the invention
The present invention is intended to the shortcoming and defect part existing in above-mentioned technology, grasping and making the output shaft of transmission device drive vacuum compression device to set out with high rotating speed, adopt the transmission device of the technological scheme of high speed → deceleration → break-in → speedup, and a kind of forward and reverse gear synchronous driving mechanism of circulating positive and negative break-in speed change vacuum compressor is provided.The features such as this forward and reverse gear synchronous driving mechanism is not only reasonable in design, and compact structure, under the slow-speed of revolution condition after deceleration, makes two forward and reverse a change gears have impact little, and transmission performance is reliable and stable.
The object of the invention is to adopt following technological scheme to realize: forward and reverse gear synchronous driving mechanism of described circulating positive and negative break-in speed change vacuum compressor, the A transition gear axle that comprises reducing gear, it is characterized in that: A transition gear axle bottom keyed jointing A transition gear, described A transition gear is meshed with input gear; The bottom of described A transition gear axle by bearings in deceleration box inner bottom surface, the top of A transition gear axle by bearings in gear box cover; In this A transition gear axle top, install forward and reverse gear synchronous driving mechanism; Described forward and reverse gear synchronous driving mechanism is comprised of B transition gear, axle sleeve, C transition gear, C transition gear axle and transition wheel support, keyed jointing B transition gear on A transition gear axle, one side of described B transition gear is meshed with a change gear of positive direction actuation, the opposite side of this B transition gear is meshed with C transition gear one side on C transition gear axle, and the opposite side of described C transition gear is meshed with a change gear of reverse direction actuation; One end of described C transition gear axle by bearings in gear box cover, the other end of C transition gear axle by bearings in the transition wheel support of gear box cover; Described transition wheel support is connected on gear box cover bottom surface; On described A transition gear and the A transition gear axle between B transition gear, install axle sleeve; By A transition gear, be meshed with input gear; By A transition gear, drive B transition gear, realize the forward and reverse synchronous driving of two a change gears.
Principle of the present invention and feature are described below:
The output shaft of transmission device of the present invention is intended to drive with high rotating speed the object of vacuum compression device, adopt the transmission device of the technological scheme of high speed → deceleration → break-in → speedup, the motor on support is by band transmission driving or directly by motor-driven positive and negative break-in speed changing type transmission device, its positive and negative break-in speed changing type transmission device is by the assembly that slows down, the gear assembly of positive and negative rotation, break-in mainshaft mechanism, forward and reverse side steering and speedup assembly form, wherein forward and reverse gear synchronous driving mechanism is by B transition gear, axle sleeve, C transition gear, C transition gear axle and transition wheel support form, B transition gear is meshed with a change gear of positive direction actuation, C transition gear is meshed with a change gear of reverse direction actuation, A transition gear by input gear and deceleration be meshed, by A transition gear, drive B transition gear, realize the forward and reverse synchronous driving of two a change gears.
The comprehensive above technological scheme of taking, realizes object of the present invention.
The features such as compared with prior art, the present invention is not only reasonable in design, and compact structure, under the slow-speed of revolution condition after deceleration, makes two forward and reverse a change gears have impact little, and transmission performance is reliable and stable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
The present invention has three width accompanying drawings.Wherein:
Accompanying drawing 1 be the specific embodiment of the invention main TV structure schematic diagram;
Accompanying drawing 2 is the enlarged diagrams at the M place in Fig. 1;
Accompanying drawing 3 is along the enlarged diagram of analysing and observe of A-A line in Fig. 2.
In figure: 1, A transition gear axle, 2, A transition gear, 3, input gear, 4, deceleration box, 5, gear box cover, 6, B transition gear, 7, axle sleeve, 8, C transition gear, 9, C transition gear axle, 10, transition wheel support, 11, a change gear, 12, O type circle, 13, b change gear.
Embodiment
Shown in Fig. 1,2,3, be specific embodiments of the invention, it is forward and reverse gear synchronous driving mechanism of circulating positive and negative break-in speed change vacuum compressor, the A transition gear axle 1 that comprises reducing gear, it is characterized in that: A transition gear axle 1 bottom keyed jointing A transition gear 2, described A transition gear 2 is meshed with input gear 3; The bottom of described A transition gear axle 1 by bearings in deceleration box 4 inner bottom surfaces, the top of A transition gear axle 1 by bearings in gear box cover 5; In this A transition gear axle 1 top, install forward and reverse gear synchronous driving mechanism; Described forward and reverse gear synchronous driving mechanism is comprised of B transition gear 6, axle sleeve 7, C transition gear 8, C transition gear axle 9 and transition wheel support 10, keyed jointing B transition gear 6 on A transition gear axle 1, one side of described B transition gear 6 is meshed with a change gear 11 of positive direction actuation, the opposite side of this B transition gear 6 is meshed with C transition gear 8 one sides on C transition gear axle 9, and the opposite side of described C transition gear 8 is meshed with a change gear 11 of reverse direction actuation; One end of described C transition gear axle 9 by bearings in gear box cover 5, the other end of C transition gear axle 9 by bearings in the transition wheel support 10 of gear box cover 5; Described transition wheel support 10 is connected on gear box cover 5 bottom surfaces; On described A transition gear 2 and the A transition gear axle 1 between B transition gear 6, install axle sleeve 7; By B transition gear 6, realize the forward and reverse synchronous driving of two a change gears 11.
Between described gear box cover 5 and deceleration box 4, be tightly connected and adopt O type circle 12.
Described transition wheel support 10 is fixed on gear box cover 5 bottom surfaces by screw.
Forward and reverse change gear mechanism in this specific embodiment comprises change gear axle, a change gear, upper and lower axle sleeve, duckbilled key asembly, b change gear 13, upper and lower end cap, free wheel device and free wheel device cover.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; allly be familiar with those skilled in the art in technical scope disclosed by the invention, within being equal to and replacing or change protection scope of the present invention all should be encompassed according to technological scheme of the present invention and design of the present invention thereof.
Claims (3)
1. forward and reverse gear synchronous driving mechanism of a kind of circulating positive and negative break-in speed change vacuum compressor described in, the A transition gear axle (1) that comprises reducing gear, it is characterized in that: A transition gear axle (1) bottom keyed jointing A transition gear (2), described A transition gear (2) is meshed with input gear (3); The bottom of described A transition gear axle (1) by bearings in deceleration box (4) inner bottom surface, the top of A transition gear axle (1) by bearings in gear box cover (5); In this A transition gear axle (1) top, install forward and reverse gear synchronous driving mechanism; Described forward and reverse gear synchronous driving mechanism is comprised of B transition gear (6), axle sleeve (7), C transition gear (8), C transition gear axle (9) and transition wheel support (10), the upper keyed jointing B transition gear (6) of A transition gear axle (1-), one side of described B transition gear (6) is meshed with a change gear (11) of positive direction actuation, the opposite side of this B transition gear (6) is meshed with C transition gear (8) one sides on C transition gear axle (9), and the opposite side of described C transition gear (8) is meshed with a change gear (11) of reverse direction actuation; One end of described C transition gear axle (9) by bearings in gear box cover (5), the other end of C transition gear axle (9) by bearings in the transition wheel support (10) of gear box cover (5); Described transition wheel support (10) is connected on gear box cover (5) bottom surface; The upper installing of described A transition gear (2) and the A transition gear axle (1) between B transition gear (6) (7); By B transition gear (6), realize the forward and reverse synchronous driving of two a change gears (11).
2. by forward and reverse gear driven mechanism of the positive and negative transmission device of vacuum compressor claimed in claim 1, it is characterized in that: between described gear box cover (5) and deceleration box (4), be tightly connected and adopt O type circle (12).
3. by forward and reverse gear driven mechanism of the positive and negative transmission device of vacuum compressor claimed in claim 1, it is characterized in that: described transition wheel support (10) is fixed on gear box cover (5) bottom surface by screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310715005.8A CN103671761B (en) | 2013-12-18 | 2013-12-18 | Forward and reverse gear synchronous drive mechanism of circulating positive and negative break-in speed change vacuum compressor |
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CN201310715005.8A CN103671761B (en) | 2013-12-18 | 2013-12-18 | Forward and reverse gear synchronous drive mechanism of circulating positive and negative break-in speed change vacuum compressor |
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CN103671761A true CN103671761A (en) | 2014-03-26 |
CN103671761B CN103671761B (en) | 2016-08-17 |
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CN201310715005.8A Expired - Fee Related CN103671761B (en) | 2013-12-18 | 2013-12-18 | Forward and reverse gear synchronous drive mechanism of circulating positive and negative break-in speed change vacuum compressor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108698689A (en) * | 2016-02-16 | 2018-10-23 | 赛峰传动***公司 | Deceleration device with input/output rotation commutation |
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GB2016645A (en) * | 1978-01-16 | 1979-09-26 | Werbetronic Ag | Drive transmission device |
JP2003185013A (en) * | 2001-12-12 | 2003-07-03 | Hitachi Unisia Automotive Ltd | Gear shift control device for vehicle |
CN101135364A (en) * | 2007-10-16 | 2008-03-05 | 上海大学 | Incompletion gear wheel direction changing transmission mechanism |
CN201326697Y (en) * | 2008-11-12 | 2009-10-14 | 陈凌云 | Automated mechanical transmission of overrunning clutch motor |
JP4522241B2 (en) * | 2004-11-30 | 2010-08-11 | キヤノン株式会社 | Drive transmission device and image forming apparatus |
US8186238B2 (en) * | 2007-10-09 | 2012-05-29 | Allen Ernest W | Mechanical gear apparatus |
CN203756880U (en) * | 2013-12-18 | 2014-08-06 | 大连精功机械设备有限公司 | Forward and reverse gear synchronous driving mechanism for circulating forward and reverse variable-speed vacuum compressors |
-
2013
- 2013-12-18 CN CN201310715005.8A patent/CN103671761B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2016645A (en) * | 1978-01-16 | 1979-09-26 | Werbetronic Ag | Drive transmission device |
JP2003185013A (en) * | 2001-12-12 | 2003-07-03 | Hitachi Unisia Automotive Ltd | Gear shift control device for vehicle |
JP4522241B2 (en) * | 2004-11-30 | 2010-08-11 | キヤノン株式会社 | Drive transmission device and image forming apparatus |
US8186238B2 (en) * | 2007-10-09 | 2012-05-29 | Allen Ernest W | Mechanical gear apparatus |
CN101135364A (en) * | 2007-10-16 | 2008-03-05 | 上海大学 | Incompletion gear wheel direction changing transmission mechanism |
CN201326697Y (en) * | 2008-11-12 | 2009-10-14 | 陈凌云 | Automated mechanical transmission of overrunning clutch motor |
CN203756880U (en) * | 2013-12-18 | 2014-08-06 | 大连精功机械设备有限公司 | Forward and reverse gear synchronous driving mechanism for circulating forward and reverse variable-speed vacuum compressors |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108698689A (en) * | 2016-02-16 | 2018-10-23 | 赛峰传动***公司 | Deceleration device with input/output rotation commutation |
CN108698689B (en) * | 2016-02-16 | 2021-06-22 | 赛峰传动***公司 | Reduction gear with input/output rotation commutation |
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CN103671761B (en) | 2016-08-17 |
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Effective date of registration: 20160913 Address after: 116001 Liaoning City, Zhongshan Province, Chaoyang District, No. 1, unit 29, layer 53, layer 6 Patentee after: Locating in Dalian Heng Machinery Manufacturing Co. Ltd. Address before: 116000 No. 20 love street, hi tech park, Liaoning, Dalian Patentee before: DALIAN JINGGONG MACHINERY EQUIPMENT CO., LTD. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20171218 |
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