CN101749237A - Single-screw air compressor host - Google Patents
Single-screw air compressor host Download PDFInfo
- Publication number
- CN101749237A CN101749237A CN200810203863A CN200810203863A CN101749237A CN 101749237 A CN101749237 A CN 101749237A CN 200810203863 A CN200810203863 A CN 200810203863A CN 200810203863 A CN200810203863 A CN 200810203863A CN 101749237 A CN101749237 A CN 101749237A
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- Prior art keywords
- worm
- screw
- air compressor
- compressor
- worm screw
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Abstract
The invention relates to a single-screw air compressor host which comprises a worm shaft (2) connected with a coupling (6), wherein the worm shaft (2) is connected with a first worm (3), and the first worm (3) is engaged with a first star wheel slice (10). The single-screw air compressor host also comprises a second worm (30) and a second star wheel slice (100) which are respectively the same as the first worm (3) and the first star wheel slice (10), wherein the second worm (30) is connected to the worm shaft (2) in series. Compared with a large-size worm machine with the same volume, the single-screw air compressor host is easy to process, assemble and detect because the sizes of main parts are reduced.
Description
Technical field
The present invention relates to a kind of single-screw air compressor host, relate in particular in this single-screw air compressor host linkage structure between the worm screw and star-wheel.
Background technique
The engagement pair that single screw compressor mainly is made up of the plane star-wheel of a cylindrical worm and two symmetric arrangement is contained in the casing to be formed.The gear ratio of general worm screw and star-wheel is 6: 11, and 6 spiral fluted worm screws and the star-wheel engagement that 11 star-wheel teeth are arranged are promptly arranged, and each star-wheel tooth is divided into two spaces up and down with the spiral chute that is engaged with, and realizes the thermal procession of compression separately.Characteristics such as single screw compressor has the simple in structure of rotary compressor, and volume is little also have equilibrium of forces rational in infrastructure, desirable, and single-machine capacity is big, no volume clearance; Advantages such as the low vibration of noise is little.
Cube being directly proportional of the volume flow of single screw compressor (air displacement) and rotor (worm screw and star-wheel) diameter, the compressor of therefore big volume flow should be selected big root diameter for use, excessive root diameter will cause the difficulty in the manufacturing, the expansion of manufacture cost increase and main frame radial dimension.In addition, root diameter is subjected to the restriction of rotor tooth tip circle circular velocity again, and it is a key factor that influences compressor size, weight, efficient and rotating manner.
Improve tooth top speed, on the one hand compressor weight and boundary dimension are improved, the relative leakage rate of gas by each gap location of enclosed volume will reduce, and has improved the volumetric efficiency and the adiabatic efficiency of compressor; On the other hand, the fluid resistance losses of gas in suction and exhaust ports and between cog volume increased, the engagement pair frictional loss increases, and causes the compressor adiabatic efficiency to reduce, and this is more obvious concerning injected compressor.
This shows: compressor is under a fixed structure and working condition, the tooth top speed that a best must be arranged, usually injected compressor tooth top speed is 10～50m/s, this has just determined jumbo single screw compressor to move under this velocity range, is difficult to adopt the kind of drive of motor and compressor direct connection.
It is higher that single screw compressor is made geometrical shape and each component cooperation position required precision of processing that difficult point is the engagement pair molded lines, housing, and the accuracy of mesh of star-wheel tooth and worm screw groove directly affects life-span of compressor.The single-screw air compressor discharge capacity is big more, and difficulty of processing is just high more.
Because above-mentioned, single-screw air compressor of the prior art generally is no more than 60m
3/ min.
By Figure 1A, Figure 1B as seen, among the figure: clutch shaft bearing 1, worm shaft 2, worm screw 3, second bearing 4, housing 5, coupling 6, connecting cylinder 7, drive motor 8, the 3rd bearing 9, spider piece 10, star-wheel body 11, the 4th bearing 12.This structure is made up of a worm screw 3 and two spider pieces, worm shaft 2 directly is linked together main frame and drive motor 8 by coupling 6, worm shaft drives worm screw and rotates under the effect of drive motor, the worm spiral groove, and the casing inner wall and the spider piece flank of tooth constitute the element volume of sealing.During compressor operation, drive by screw rod that the star-wheel tooth circulates successively and spiral chute meshes, air is entered between the worm screw groove by air aspiration cavity, after the star-wheel tooth enters screw slot, along with star-wheel tooth slide relative in screw slot, the compressed lubricant oil that sprays into atomizing simultaneously of air when the star-wheel tooth runs to the position of design pressure, begins the estuary exhaust from the housing.
How to design a kind of volume less, can accomplish 80-120m again
3The single-screw air compressor host of/min is the problem that the technician will solve.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of single-screw air compressor host, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The present invention includes: the worm shaft that connects coupling; The described worm shaft and first worm screw are joined, first worm screw and the engagement of first spider piece; Also comprise: second identical with the first worm screw respectively worm screw and second spider piece with first spider piece; Described second worm screw is serially connected on the worm shaft.
Compared with prior art, the invention has the beneficial effects as follows: compare with the large scale screw rod machine of same volume,, be easy to processing, assembling and detection because the main parts size size reduces.
Description of drawings
Figure 1A is a single-screw air compressor host structural representation in the prior art;
Figure 1B is the side view of Figure 1A;
Fig. 2 is a structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
As seen from Figure 2: the present invention includes: the worm shaft 2 that connects coupling 6; The described worm shaft 2 and first worm screw 3 are joined, first worm screw 3 and 10 engagements of first spider piece; Also comprise: identical with first worm screw 3 respectively second worm screw 30 and second spider piece 100 with first spider piece 10; Described second worm screw 30 is serially connected on the worm shaft 2;
The mesh phase dislocation in a circumferential direction of the rotor screw channel of described first worm screw 3 and first spider piece 10 and second worm screw 30 and second spider piece 100.
With being installed in the housing of two identical worm screws series connection, each worm screw and two spider pieces and housing are formed an organic compressor units then with a worm shaft in the present invention, and two groups of compressor units are finished compressed-air actuated thermal procession separately.Simultaneously, the screw channel of two worm screw rotors suitably misplaces with the mesh phase of two star-wheels in a circumferential direction, thereby makes compressor pressure pulse and torque frequency double, and their alternation amplitude then reduces half, and the vibration of complete machine, noise are obviously descended.
The present invention adopts a worm shaft with being installed in the housing of two identical worm screws series connection, realizes air-breathingly separately, compresses, the design proposal of exhaust, and having solved separate unit compressor volume flow is 120m
3The root diameter of/min is big, the difficult problem of tooth top speed height and manufacturing process difficulty.
The screw channel of two worm screw rotors of the present invention suitably misplaces with the mesh phase of two star-wheels in a circumferential direction, thereby make compressor pressure pulse and torque frequency double, their alternation amplitude then reduces half, vibration, the noise of complete machine are obviously descended, reduced specific power (specific power: 5.4KW/m
3Min
-1), reduced operating cost.
The present invention is except that housing, main shaft side cover, and main parts size such as rotor, star-wheel assembly and connecting cylinder and volume flow are 60m
3The separate unit compressor component of/min are identical, have good versatility, and manufacture cost is 60m than two volume flows
3/ min main frame reduces by 30%.
Claims (2)
1. a single-screw air compressor host comprises: the worm shaft (2) that connects coupling (6); Described worm shaft (2) joins with first worm screw (3), first worm screw (3) and first spider piece (10) engagement; It is characterized in that also comprising: identical with first worm screw (3) respectively second worm screw (30) and second spider piece (100) with first spider piece (10); Described second worm screw (30) is serially connected on the worm shaft (2).
2. single-screw air compressor host according to claim 1 is characterized in that: described first worm screw (3) and first spider piece (10) misplace with the rotor screw channel mesh phase in a circumferential direction of second worm screw (30) and second spider piece (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810203863A CN101749237A (en) | 2008-12-02 | 2008-12-02 | Single-screw air compressor host |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810203863A CN101749237A (en) | 2008-12-02 | 2008-12-02 | Single-screw air compressor host |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101749237A true CN101749237A (en) | 2010-06-23 |
Family
ID=42476717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810203863A Pending CN101749237A (en) | 2008-12-02 | 2008-12-02 | Single-screw air compressor host |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101749237A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062055A (en) * | 2013-01-24 | 2013-04-24 | 贵州中电振华精密机械有限公司 | Low-medium-pressure energy-saving single screw compressor |
| CN105114305A (en) * | 2015-07-16 | 2015-12-02 | 上海理工大学 | Single-screw compressor with chain type star wheel |
-
2008
- 2008-12-02 CN CN200810203863A patent/CN101749237A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062055A (en) * | 2013-01-24 | 2013-04-24 | 贵州中电振华精密机械有限公司 | Low-medium-pressure energy-saving single screw compressor |
| CN105114305A (en) * | 2015-07-16 | 2015-12-02 | 上海理工大学 | Single-screw compressor with chain type star wheel |
| CN105114305B (en) * | 2015-07-16 | 2017-05-03 | 上海理工大学 | Single-screw compressor with chain type star wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100623 |