CN103671761A - Forward and reverse gear synchronous drive mechanism of circulating forward and reverse variable speed vacuum compressor - Google Patents

Forward and reverse gear synchronous drive mechanism of circulating forward and reverse variable speed vacuum compressor Download PDF

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Publication number
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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China
Prior art keywords
transition gear
gear
transition
reverse
vacuum compressor
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CN201310715005.8A
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Chinese (zh)
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CN103671761B (en
Inventor
王久祥
张庆鹏
王海涛
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Locating In Dalian Heng Machinery Manufacturing Co Ltd
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Dalian Jinggong Machinery Equipment Co ltd
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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
    • 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
    • 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
    • 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, in particular to a forward and reverse gear synchronous driving mechanism of a circulating forward and reverse turning variable speed vacuum compressor; a transition gear axle including reduction gears, its characterized in that: the bottom end of the transition gear shaft A is in key joint with the transition gear A, and the transition gear A is meshed with the input gear; the top of the transition gear shaft A is provided with a forward and reverse gear synchronous driving mechanism which consists of a transition gear B, a shaft sleeve, a transition gear C, a transition gear shaft C and a transition gear bracket, and the forward and reverse gear synchronous driving mechanism is meshed with the input gear through the transition gear A; the transition gear A drives the transition gear B to realize the forward and reverse synchronous driving of the two direction changing gears a. The invention has the characteristics of reasonable design, compact structure, small impact on the two forward and reverse direction-a change gears, stable and reliable transmission performance and the like under the condition of low rotating speed after speed reduction.

Description

Forward and reverse gear synchronous driving mechanism of circulating positive and negative break-in speed change vacuum compressor
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.所述的一种循环式正反变向变速真空压缩机的正反向齿轮同步驱动机构，包括减速机构的A过渡齿轮轴（1），其特征在于：A过渡齿轮轴（1）底端键接A过渡齿轮（2），所述的A过渡齿轮（2）与输入齿轮（3）相啮合；所述的A过渡齿轮轴（1）的底端通过轴承支撑在减速箱体（4）内底面内，A过渡齿轮轴（1）的顶端通过轴承支撑在减速箱盖（5）内；于该A过渡齿轮轴（1）顶部装设正反向齿轮同步驱动机构；所述的正反向齿轮同步驱动机构由B过渡齿轮（6）、轴套（7）、C过渡齿轮（8）、C过渡齿轮轴（9）和过渡轮支架（10）组成，A过渡齿轮轴（1-）上键接B过渡齿轮（6），所述的B过渡齿轮（6）的一侧与正向驱动的a变向齿轮（11）相啮合，该B过渡齿轮（6）的另一侧与C过渡齿轮轴（9）上的C过渡齿轮（8）一侧相啮合，所述的C过渡齿轮（8）的另一侧与反向驱动的a变向齿轮（11）相啮合；所述的C过渡齿轮轴（9）的一端通过轴承支撑在减速箱盖（5）内，C过渡齿轮轴（9）的另一端通过轴承支撑在减速箱盖（5）的过渡轮支架（10）内；所述的过渡轮支架（10）连接在减速箱盖（5）底面上；所述的A过渡齿轮（2）与B过渡齿轮（6）之间的A过渡齿轮轴（1）上装设（7）；通过B过渡齿轮（6），实现两个a变向齿轮（11）的正、反向的同步驱动。1. The forward and reverse gear synchronous drive mechanism of a circulating forward and reverse variable speed vacuum compressor, including the A transition gear shaft (1) of the reduction mechanism, is characterized in that: the bottom of the A transition gear shaft (1) The A transition gear (2) is keyed to the end, and the A transition gear (2) is meshed with the input gear (3); the bottom end of the A transition gear shaft (1) is supported on the reduction box (4 ) inside the inner bottom surface, the top of the A transition gear shaft (1) is supported in the reduction box cover (5) through bearings; a forward and reverse gear synchronous drive mechanism is installed on the top of the A transition gear shaft (1); Reverse gear synchronous drive mechanism is composed of B transition gear (6), bushing (7), C transition gear (8), C transition gear shaft (9) and transition wheel bracket (10), A transition gear shaft (1- ) is keyed to the B transition gear (6), one side of the B transition gear (6) meshes with the positively driven a-change gear (11), and the other side of the B transition gear (6) meshes with One side of the C transition gear (8) on the C transition gear shaft (9) is meshed, and the other side of the C transition gear (8) is meshed with the reverse-driven a-change gear (11); One end of the C transition gear shaft (9) is supported in the reduction box cover (5) through a bearing, and the other end of the C transition gear shaft (9) is supported in the transition wheel bracket (10) of the reduction box cover (5) through a bearing ; The transition wheel bracket (10) is connected to the bottom surface of the reduction box cover (5); the A transition gear shaft (1) between the A transition gear (2) and the B transition gear (6) is installed ( 7); through the B transition gear (6), the forward and reverse synchronous drive of the two a change gears (11) is realized. 2.按权利要求1所述的真空压缩机正反传动装置的正反向齿轮驱动机构，其特征在于：所述的减速箱盖（5）与减速箱体（4）之间密封连接采用O型圈（12）。2. The positive and negative gear drive mechanism of the forward and reverse transmission device of the vacuum compressor according to claim 1, characterized in that: the sealing connection between the reduction box cover (5) and the reduction box body (4) adopts O Type ring (12). 3.按权利要求1所述的真空压缩机正反传动装置的正反向齿轮驱动机构，其特征在于：所述的过渡轮支架（10）通过螺钉固接在减速箱盖（5）底面上。3. The positive and negative gear drive mechanism of the positive and negative transmission device of the vacuum compressor according to claim 1, characterized in that: the transition wheel bracket (10) is fixed on the bottom surface of the reduction box cover (5) by screws .
CN201310715005.8A 2013-12-18 2013-12-18 Forward and reverse gear synchronous drive mechanism of circulating forward and reverse variable speed vacuum compressor Expired - Fee Related CN103671761B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108698689A (en) * 2016-02-16 2018-10-23 赛峰传动系统公司 Deceleration device with input/output rotation commutation

Citations (7)

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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 Vehicle speed change control device
CN101135364A (en) * 2007-10-16 2008-03-05 上海大学 Incomplete gear reversing 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 drive mechanism of circulating forward and reverse variable speed vacuum compressor

Patent Citations (7)

* Cited by examiner, † Cited by third party
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 Vehicle speed change control device
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 Incomplete gear reversing 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 drive mechanism of circulating forward and reverse variable speed vacuum compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108698689A (en) * 2016-02-16 2018-10-23 赛峰传动系统公司 Deceleration device with input/output rotation commutation
CN108698689B (en) * 2016-02-16 2021-06-22 赛峰传动系统公司 Reduction gear with input/output rotation commutation

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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

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