CN205117722U - Rotary compressor mounting structure - Google Patents
Rotary compressor mounting structure Download PDFInfo
- Publication number
- CN205117722U CN205117722U CN201520856835.7U CN201520856835U CN205117722U CN 205117722 U CN205117722 U CN 205117722U CN 201520856835 U CN201520856835 U CN 201520856835U CN 205117722 U CN205117722 U CN 205117722U
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- Prior art keywords
- rotary compressor
- compressor
- stationary plane
- motor
- mounting structure
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Abstract
The utility model relates to a belong to fluid machinery, disclose a rotary compressor mounting structure, including rotary compressor (1) and motor (4), stationary plane (11) of rotary compressor (1) are on central line (3) of rotary compressor revolving axle, and rotary compressor (1) is connected through shaft coupling (5) with motor (4). The utility model discloses rotary compressor's stationary plane is on the central line of rotary compressor revolving axle, even the compressor produces a large amount of compression heats in the compression process, it warp to arouse that the compressor can expend with heat and contract with cold produces, also only can press rotation center for the centre of a circle to diffusion all around, because of rotation center on the stationary plane, the displacement can not take place for the fixed point for rotation center, has advantages such as easy change bearing seal or mechanical seal simultaneously concurrently.
Description
Technical field
The utility model relates to and belongs to field of fluid machinery, has particularly related to a kind of rotary compressor mounting structure.
Background technique
At present, rotary compressor is that a kind of equipment of gas and raising gas pressure of carrying is applied extremely extensively, and in modern production, compressor is not only requisite and is crucial equipment.
Rotary compressor and prime mover such as connecting mode between motor have various ways, in industry, the most common connecting mode has: belt connects and coupling direct connection, and wherein coupling direct connection is divided into again rotary compressor and prime mover flange connect and rotary compressor and prime mover to fix respectively.Belt connect compressor because of: 1. overall sizes is larger; 2. due to the elasticity sliding motion of belt, changeless velocity ratio can not be ensured; 3. stressed larger on axle and bearing; 4. efficiency is lower; 5. with life-span shorter, be about 3000 to 5000 hours; 6. the shortcoming application such as inflammable and explosive occasion should not be used for very not extensive.
By the structure of coupling direct connection after rotary compressor prime mover flange connect, although compensate for the deficiency of belt connection.Thereupon had again new problem, coupling and oil sealing or mechanical seal are not easily changed in the existence because of spacer flanger; Spacer flanger generally has window, and rigidity and intensity have certain weakening, and is not suitable for the occasion of large-scale compressor.
Rotary compressor and prime mover are separately fixed on same base, then use the structure of coupling direct connection, the form that the means of fixation of rotary compressor all adopts bottom fixing, and the center of rotary compressor turning axle is not coplanar with compressor stationary plane.Because compressor can produce a large amount of heat of compression in compression process, compressor can produce distortion because expanding with heat and contract with cold, and gyration center can be subjected to displacement relative to stationary plane, thus causes the decentraction of compressor turning axle and prime mover turning axle, cause unit vibration, bearing equivalent life reduces.
Summary of the invention
The utility model in prior art because compressor can produce a large amount of heat of compression in compression process, compressor can produce distortion because expanding with heat and contract with cold, gyration center can be subjected to displacement relative to stationary plane, thus cause the decentraction of compressor turning axle and prime mover turning axle, cause unit vibration, the shortcomings such as bearing equivalent life reduction, provide a kind of stationary plane of rotary compressor on the center line of rotary compressor turning axle, even if compressor produces a large amount of heat of compression in compression process, cause compressor to expand with heat and contract with cold and produce distortion, also can be only that the center of circle is spread to surrounding by rotating center, because rotating center is on stationary plane, so rotating center can not be subjected to displacement relative to immovable point, have a kind of rotary compressor mounting structure easily changing the advantage such as shaft seal or mechanical seal concurrently simultaneously.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of rotary compressor mounting structure, comprise rotary compressor and motor, the stationary plane of rotary compressor is on the center line of rotary compressor turning axle, and rotary compressor is connected by coupling with motor.The stationary plane of rotary compressor is on the center line of compressor turning axle, even if compressor produces a large amount of heat of compression in compression process, cause compressor to expand with heat and contract with cold and produce distortion, also can be only that the center of circle is spread to surrounding by rotating center, because rotating center is on stationary plane, so rotating center can not be subjected to displacement relative to immovable point, have the advantage easily changing shaft seal or mechanical seal concurrently simultaneously.
As preferably, the center line of rotary compressor turning axle and the stationary plane of rotary compressor coplanar.Center and the compressor stationary plane of rotary compressor turning axle are coplanar, even if compressor produces a large amount of heat of compression in compression process, cause compressor to expand with heat and contract with cold and produce distortion, can be only also that the center of circle is spread to surrounding by rotating center.
As preferably, rotary compressor and motor are all fixed on base.
As preferably, the stationary plane of rotary compressor is fixed on base by compressor bracket, and motor is fixed on base by electric machine support.
The utility model is owing to have employed above technological scheme, there is significant technique effect: the stationary plane of the utility model rotary compressor is on the center line of rotary compressor turning axle, even if compressor produces a large amount of heat of compression in compression process, cause compressor to expand with heat and contract with cold and produce distortion, also can be only that the center of circle is spread to surrounding by rotating center, because rotating center is on stationary plane, rotating center can not be subjected to displacement relative to immovable point, has concurrently simultaneously and easily changes the advantage such as shaft seal or mechanical seal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
The toponym that in above accompanying drawing, each number designation refers to is as follows: wherein 1-rotary compressor, 2-compressor bracket, 3-center line, 4-motor, 5-coupling, 6-base, 11-stationary plane, 41-electric machine support
Embodiment
The utility model is described in further detail with embodiment below in conjunction with accompanying drawing 1:
Embodiment 1
A kind of rotary compressor mounting structure, as shown in Figure 1, comprise rotary compressor 1 and motor 4, the stationary plane 11 of rotary compressor 1 is on the center line 3 of rotary compressor turning axle, and rotary compressor 1 is connected by coupling 5 with motor 4.The stationary plane 11 of rotary compressor 1 is on the center line 3 of compressor turning axle, even if compressor produces a large amount of heat of compression in compression process, cause compressor to expand with heat and contract with cold and produce distortion, also can be only that the center of circle is spread to surrounding by rotating center, because rotating center is on stationary plane, so rotating center can not be subjected to displacement relative to immovable point, have the advantage easily changing shaft seal or mechanical seal concurrently simultaneously.
The center line 3 of rotary compressor 1 turning axle and stationary plane 11 antarafacial of rotary compressor.The center of rotary compressor turning axle is not coplanar with compressor stationary plane 11.Rotary compressor 1 and motor 4 are all fixed on base 6.The stationary plane 11 of rotary compressor 1 is fixed on base 6 by compressor bracket 2, and motor 4 is fixed on base 6 by electric machine support 41.Rotary compressor stationary plane and gyration center coplanar, its objective is can because of generation distortion of expanding with heat and contract with cold in order to stop compressor, and gyration center can be subjected to displacement relative to stationary plane, thus causes the decentraction of compressor turning axle and prime mover turning axle, cause unit vibration, bearing equivalent life reduces.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (4)
1. a rotary compressor mounting structure, comprise rotary compressor (1) and motor (4), it is characterized in that: the stationary plane (11) of rotary compressor (1) is on the center line (3) of rotary compressor turning axle, and rotary compressor (1) is connected by coupling (5) with motor (4).
2. a kind of rotary compressor mounting structure according to claim 1, is characterized in that: the center line (3) of rotary compressor (1) turning axle is coplanar with the stationary plane (11) of rotary compressor.
3. a kind of rotary compressor mounting structure according to claim 1, is characterized in that: rotary compressor (1) and motor (4) are all fixed on base (6).
4. a kind of rotary compressor mounting structure according to claim 3, it is characterized in that: the stationary plane (11) of rotary compressor (1) is fixed on base (6) by compressor bracket (2), and motor (4) is fixed on base (6) by electric machine support (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856835.7U CN205117722U (en) | 2015-10-30 | 2015-10-30 | Rotary compressor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856835.7U CN205117722U (en) | 2015-10-30 | 2015-10-30 | Rotary compressor mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205117722U true CN205117722U (en) | 2016-03-30 |
Family
ID=55573337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520856835.7U Active CN205117722U (en) | 2015-10-30 | 2015-10-30 | Rotary compressor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205117722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013464A (en) * | 2017-06-08 | 2017-08-04 | 浙江德拉戈机械有限公司 | A kind of asynchronous integral screw-rod air compressor |
-
2015
- 2015-10-30 CN CN201520856835.7U patent/CN205117722U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013464A (en) * | 2017-06-08 | 2017-08-04 | 浙江德拉戈机械有限公司 | A kind of asynchronous integral screw-rod air compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |