CN203784211U - Output shaft mechanism for speed increase device of circulating type forward and reverse direction change speed change vacuum compressor - Google Patents
Output shaft mechanism for speed increase device of circulating type forward and reverse direction change speed change vacuum compressor Download PDFInfo
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- CN203784211U CN203784211U CN201320843961.XU CN201320843961U CN203784211U CN 203784211 U CN203784211 U CN 203784211U CN 201320843961 U CN201320843961 U CN 201320843961U CN 203784211 U CN203784211 U CN 203784211U
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Abstract
The utility model belongs to vacuum compressors, and relates to an output shaft mechanism for a speed increase device of a circulating type forward and reverse direction change speed change vacuum compressor. The output shaft mechanism is characterized in that a third hollow direction change wheel is installed on a direction change main shaft between a second direction change gear and a bearing, a buffer assembly is installed in a hollow cavity of the third direction change wheel and is formed by an upper buffer spring, an upper gland, a buffer body, a lower gland and a lower buffer spring, the upper buffer spring, the upper gland, the buffer body, the lower gland and the lower buffer spring are sequentially installed on a shaft section above the step of the direction change main shaft, the buffer body is cylindrical, one side of the buffer body is provided with a fan lug, the upper end face and the lower end face of the buffer body are connected to the upper gland and the lower gland through bolts respectively, and the direction change main shaft can rotate smoothly under the buffer action of the upper buffer spring, the lower buffer spring and the buffer body. The output shaft mechanism has the advantages of being reasonable in design, compact in structure, good in buffer action and stable and reliable in transmission performance and improving vacuumization and compression efficiency of the vacuum compressor.
Description
Technical field
The utility model belongs to vacuum compressor, particularly a kind of output shaft mechanism of circulating positive and negative break-in speed change vacuum compressor speeder.
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 drives positive and negative break-in speed changing type transmission device by support, motor and the motor drive component that forms with transmission, this positive and negative break-in speed changing type transmission device comprises speed reducer, forward and reverse gear synchronous driven unit, positive and negative deviator and speeder, and wherein speeder comprises output shaft mechanism and speed booster driving mechanism; Break-in mainshaft mechanism comprises break-in case, break-in main shaft, first change gear, bearing, the third change gear, fourth change gear, second change gear, commutator, Bunper assembly and commutation transmitting assemblies.This positive and negative break-in speed changing type transmission device 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 output shaft mechanism of circulating positive and negative break-in speed change vacuum compressor speed reducer, must have compactness rational in infrastructure, output revolutions is high, the function that transmission performance is reliable and stable.Therefore, a kind of output shaft mechanism that is applicable to circulating positive and negative break-in speed change vacuum compressor speed reducer of innovative development, is very necessary.
Summary of the invention
The utility model 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 output shaft mechanism of circulating positive and negative break-in speed change vacuum compressor speed reducer is provided.This output shaft mechanism is not only reasonable in design, compact structure, and also it is high to have output revolutions, and transmission performance is reliable and stable to be vacuumized and the features such as efficiency of compressing with raising vacuum compressor.
The purpose of this utility model is to adopt following technological scheme to realize: described break-in main shaft, change gear and the overdrive gear assembly of comprising, it is characterized in that: on the change gear under break-in axle bottom, install output shaft mechanism, described output shaft mechanism is comprised of speedup box, output shaft, output gear, output shaft end cap, upper applanation bearing, lower plane pressure bearing, seal ring and bearing, and its break-in case sealing bottom surface connects speedup box; The top of described output shaft by bearings in the bottom surface of change gear, described change gear is meshed with the fourth transition gear in overdrive gear assembly, the bottom of output shaft is passed speedup box, vacuum compression cylinder body and is gone out hubcap and stretches out at output shaft end cap, and the external part of described output shaft is connected with connecting sleeve; Described output shaft end cap is fixed by screws on speedup box bottom surface; The upper applanation bearing of output shaft step upper end installing in output shaft end cap, step lower end installing lower plane pressure bearing; On output shaft more than described upper applanation bearing, sequentially install the output gear of seal ring, bearing and speedup; The output gear of described speedup is meshed with the fourth transition gear in overdrive gear assembly; By fourth transition gear, drive output gear to rotate, make output shaft after speedup with high rotating speed drive piston series connection group in vacuum compression device constantly in vacuum compression cylinder body past, return motion, realize the efficient function that vacuumizes with compress of circulating positive and negative break-in speed change vacuum compressor.
Principle of the present utility model and feature are described below:
The output shaft of the utility model transmission device 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, positive and negative break-in speed changing type transmission device is comprised of gear assembly, break-in mainshaft mechanism, forward and reverse side steering and speeder of the assembly that slows down, positive and negative rotation, and wherein speeder is comprised of the output shaft mechanism of overdrive gear assembly and speedup; Overdrive gear assembly is comprised of first transition gear axle, first transition gear, second transition gear, second transition gear axle, the third transition gear and fourth transition gear; The output shaft mechanism of speedup is comprised of speedup box, output shaft, output gear, output shaft end cap, upper applanation bearing, lower plane pressure bearing, seal ring and bearing, overdrive gear assembly through high speed increasing ratio drives output shaft driving mechanism, make output shaft drive the constantly back and forth movement in vacuum compression cylinder body of piston series connection group in vacuum compression device with high rotating speed, realize circulating positive and negative break-in speed change vacuum compressor and vacuumize and the efficient function of compressing.
Realize the efficient function that vacuumizes with compress of circulating positive and negative break-in speed change vacuum compressor.
The comprehensive above technological scheme of taking, realizes the purpose of this utility model.
Compared with prior art, the utility model is not only reasonable in design, compact structure, and there is good buffering function, transmission performance is reliable and stable to be vacuumized and the features such as efficiency of compressing with raising vacuum compressor.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
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 C place in Fig. 1;
Accompanying drawing 3 is the enlarged diagrams of analysing and observe along A-A line in Fig. 2.
In figure: 1, output shaft, 2, output gear, 3, change gear, 4, bearing, 5, seal ring, 6, upper applanation bearing, 7, lower plane pressure bearing wheel, 8, output shaft end cap 9, vacuum compression cylinder body, 10, speedup box, 11, O type circle, 12, break-in case, 13, fourth transition gear, 14, the third transition gear, 15, break-in axle, 16, connecting sleeve.
Embodiment
Fig. 1, 2, it shown in 3, is specific embodiment of the utility model, it is a kind of output shaft mechanism of circulating positive and negative break-in speed change vacuum compressor speeder, the break-in case that comprises deviator, break-in axle and change gear, it is characterized in that: on the change gear 3 under break-in axle 15 bottoms, install output shaft mechanism, described output shaft mechanism is by speedup box 10, output shaft 1, output gear 2, output shaft end cap 8, upper applanation bearing 6, lower plane pressure bearing 7, seal ring 5, bearing 4 and overdrive gear assembly form, break-in case 9 sealing bottom surfaces connect speedup box 10, the top of described output shaft 1 by bearings in the bottom surface of change gear 3, described change gear 3 is meshed with the fourth transition gear 13 in overdrive gear assembly, stretch out outside output shaft end cap 8 through speedup box 10, vacuum compression cylinder body 9 and output shaft end cap 8 bottom of output shaft 1, and the external part of described output shaft 1 is connected with connecting sleeve 16, described output shaft end cap 8 is fixed by screws on speedup box 10 bottom surfaces, the upper applanation bearing 6 of output shaft 1 step upper end installing in output shaft end cap 1, step lower end installing lower plane pressure bearing 7, on more than 6 output shaft 1 of described upper applanation bearing, sequentially install the output gear 2 of seal ring 5, bearing 4 and speedup, the output gear 2 of described speedup is meshed with the fourth transition gear 13 in overdrive gear assembly, by fourth transition gear 13, drive output gear 2 to rotate, make output shaft 1 with high rotating speed drive piston series connection group in vacuum compression device constantly in vacuum compression cylinder body 9 past, return motion, realize the efficient function that vacuumizes with compress of circulating positive and negative break-in speed change vacuum compressor.
Described speedup box 10 adopts O type circle 11 with being tightly connected of break-in case 12.
Described speedup box 10 all adopts with break-in case 12 cylindrical shape that external diameter is identical.
Overdrive gear assembly in this specific embodiment is comprised of first transition gear axle, first transition gear, second transition gear, second transition gear axle, the third transition gear 14 and fourth transition gear 13,
Break-in mainshaft mechanism in this specific embodiment comprises break-in case 10, break-in axle 15, first change gear 3, bearing, the third change gear, fourth change gear, second change gear, commutator, Bunper assembly and commutation transmitting assemblies.
The above; it is only preferably embodiment of the present utility model; but protection domain of the present utility model is not limited to this; allly be familiar with those skilled in the art in the disclosed technical scope of the utility model, within being equal to and replacing or change and all should be encompassed in protection domain of the present utility model according to the technical solution of the utility model and design of the present utility model thereof.
Claims (3)
1. the output shaft mechanism of a circulating positive and negative break-in speed change vacuum compressor speeder, comprise break-in main shaft, change gear and overdrive gear assembly, it is characterized in that: the upper installing of change gear (3) output shaft mechanism under break-in axle (15) bottom, described output shaft mechanism is comprised of speedup box (10), output shaft (1), output gear (2), output shaft end cap (8), upper applanation bearing (6), lower plane pressure bearing (7), seal ring (5) and bearing (4), and its break-in case (9) sealing bottom surface connects speedup box (10-10); The top of described output shaft (1) by bearings in the bottom surface of change gear (3), described change gear (3) is meshed with the fourth transition gear (13) in overdrive gear assembly, the bottom of output shaft (1) is passed speedup box (10), vacuum compression cylinder body (11) and is gone out hubcap (8-) and stretches out outside output shaft end cap (8), and the external part of described output shaft (1) is connected with connecting sleeve (16); Described output shaft end cap (8) is fixed by screws on speedup box (10) bottom surface; The upper applanation bearing (6) of output shaft (1) step upper end installing in output shaft end cap (8-8), step lower end installing lower plane pressure bearing (7); On output shaft (1) more than described upper applanation bearing (6), sequentially install the output gear (2) of seal ring (5-5), bearing (4) and speedup; The output gear of described speedup (2) is meshed with the fourth transition gear (13) in overdrive gear assembly; By fourth transition gear (13), drive output gear (2) to rotate, make output shaft (1) with high rotating speed drive piston series connection group in vacuum compression device constantly in vacuum compression cylinder body (9) past, return motion, realize the efficient function that vacuumizes with compress of circulating positive and negative break-in speed change vacuum compressor.
2. by the output shaft mechanism of circulating positive and negative break-in speed change vacuum compressor speeder claimed in claim 1, it is characterized in that: described speedup box (10) adopts O type circle (11) with being tightly connected of break-in case (12).
3. by the output shaft mechanism of circulating positive and negative break-in speed change vacuum compressor speeder claimed in claim 1, it is characterized in that: described speedup box (10) all adopts with break-in case (12) cylindrical shape that external diameter is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320843961.XU CN203784211U (en) | 2013-12-18 | 2013-12-18 | Output shaft mechanism for speed increase device of circulating type forward and reverse direction change speed change vacuum compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320843961.XU CN203784211U (en) | 2013-12-18 | 2013-12-18 | Output shaft mechanism for speed increase device of circulating type forward and reverse direction change speed change vacuum compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784211U true CN203784211U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320843961.XU Expired - Fee Related CN203784211U (en) | 2013-12-18 | 2013-12-18 | Output shaft mechanism for speed increase device of circulating type forward and reverse direction change speed change vacuum compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629309A (en) * | 2013-12-18 | 2014-03-12 | 大连精功机械设备有限公司 | Output shaft mechanism of speed increasing device of circulation type positive and negative turning variable-speed vacuum compressor |
-
2013
- 2013-12-18 CN CN201320843961.XU patent/CN203784211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629309A (en) * | 2013-12-18 | 2014-03-12 | 大连精功机械设备有限公司 | Output shaft mechanism of speed increasing device of circulation type positive and negative turning variable-speed vacuum compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20141218 |
|
| EXPY | Termination of patent right or utility model |