CN201225287Y - Tandem type single screw compressor - Google Patents
Tandem type single screw compressor Download PDFInfo
- Publication number
- CN201225287Y CN201225287Y CNU2008200508786U CN200820050878U CN201225287Y CN 201225287 Y CN201225287 Y CN 201225287Y CN U2008200508786 U CNU2008200508786 U CN U2008200508786U CN 200820050878 U CN200820050878 U CN 200820050878U CN 201225287 Y CN201225287 Y CN 201225287Y
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- Prior art keywords
- main frame
- connecting flange
- single screw
- compression
- compressor
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Abstract
The utility model discloses a series connected type single screw compressor which comprises a plurality of separate compressor main bodies connected in series, main shafts of screw star wheel pairs of the adjacent compressor main bodies are connected through a drive connector by a driving way, the input end of the main shaft of a first compressor main body is connected with a drive motor, the shell of each compressor main body is a separate shell, and the shells are connected together through flange components. The utility model has convenient and simple disassembly and maintenance and large working flexibility, can freely assemble the gas output, can adjust the pressure freely within the pressure range, can adapt to occasions needing different gas outputs and different output pressures.
Description
Technical field
The utility model relates to a kind of single screw compressor, is a kind of tandem single screw compressor specifically.
Background technique
In the single screw compressor on prior art, in order further to improve the efficiency of compressor, strengthen its compressed-air actuated discharge capacity, people often will overlap screw rod star-wheel revolute pair more and be connected in series, screw rod is installed on same the main shaft jointly, each screw rod star-wheel pair is installed in the same housing, all is reserved with the installation cavity of screw rod star-wheel pair in the housing, and making housing and several screw rod star-wheel revolute pair install is an integral body.As the disclosed a kind of coaxial more piece single screw air compressor of Chinese patent ZL200420042311.6, its disclosed technological scheme is with regard to structure as described above, it can improve the efficiency of compressor to a certain extent, convenient transportation, and the ultrahigh pressure air can also be provided.But the compressor of this whole series type structure is a multistage compressor, overlaps that screw rod star-wheel revolute pair is coaxial to be loaded in the same housing more, not only increased the required precision of shell cast and processing, and the matching requirements of screw rod star-wheel pair is very high, very difficulty.Many covers are coaxial with the screw rod star-wheel revolute pair after the shell serial connection, when wherein one group (particularly middle groups) breaks down and when needing maintenance, must be with housing and screw rod star-wheel completely knocked down, and whole compressor must be out of service, wastes time and energy trouble very, inconvenience maintenance.In addition, said structure coaxial with shell series type single screw compressor, because its screw rod star-wheel pair fixedly mounts, cause the discharge capacity of its pressurized gas to be fixed, its discharge capacity is generally the quantitative stack of separate unit, can not arbitrarily adjust the discharge capacity of compressor, make troubles, restrict the application flexibility of compressor to a certain extent to real work.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of convenience easy to maintenance, assembly gas discharge capacity, any allotment pressure in pressure range, tandem single screw compressor that operation flexibility is big arbitrarily installed and removed is provided.
Goal of the invention of the present utility model is achieved in that a kind of tandem single screw compressor, it is characterized in that: it is connected in series by the compression main frame of some platform independent and forms, the main shaft of the screw rod star-wheel pair of adjacent compression main frame connects transmission by the transmission joint part, the main shaft input end of first compression main frame is connected with a drive motor, the housing of each compression main frame is housing independently separately, and this housing is linked together by flange assembly.
Described flange assembly comprises input end connecting flange and the output terminal connecting flange that cooperatively interacts and install, and the input end connecting flange is located at the preceding joining end of compression host shell, and the output terminal connecting flange is located at the back joining end of compressor housing.
Be equipped with the bearing that is used for supporting spindle on described input end connecting flange and the output terminal connecting flange.
Bearing one side on the described output terminal connecting flange is provided with the sleeve that is sleeved on the main shaft, and the sleeve roof pressure holds out against screw rod on the shaft shoulder of front-end of spindle on the end face of screw rod.
Described transmission joint part is a coupling.
The utility model improves the series type single screw compressor of prior art, and its beneficial effect is:
(1) this tandem single screw compressor is made of the series connection of some platform independent work compression main frames, during, the housing that independently compresses main frame connects by flange assembly, and the main shaft in it connects transmission by the transmission joint part.Single screw compressor described in the utility model, the compression main frame of each group can be processed each part, assembling separately separately, be independent of each other, fit together after each self-assembly finishes and get final product, any compression main frame need detect maintenance, only needs this platform independent separated out to get final product, need not tear other group machine open, other group machine only needs to get final product proper functioning again on the place of separating connects, and installs and removes convenience easy to maintenance, is convenient to practical operation.
(2) but respectively compress the main frame independent exhaustion, also can assist the multistage compression pattern work that is made into.Because the utility model is made of the compression main frame series connection that works alone, the compression main frame of different displacements because each compression main frame can arbitrarily change the outfit, when each compression main frame independent exhaustion, the compression main frame of different displacements, the output discharge capacity that can make integrating compressor superpose out different can be installed by assembly; Need assist the multistage compression pattern that is made into when each compression main frame, during pressurized gas, the compression main frame of back one-level can decide its specification according to the discharge capacity of previous stage with output, avoids installation the same with the previous stage specification and cause the wasting of resources.Two kinds of above-mentioned mode of operations, its flexibility is big, but the occasion of adaption demand gas with various discharge capacity, different output pressures is used.
Description of drawings
Accompanying drawing 1 is the principle schematic of the utility model most preferred embodiment.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
With reference to the accompanying drawings shown in 1, tandem single screw compressor of the present utility model, it is connected in series by the compression main frame of some platform independent and forms, separate compression main frame can be two, as shown in Figure 1, the utility model also can be connected in series by the compression main frame of three, four or more platform independent and form.Each compression main frame is equipped with independently suction port and relief opening, and each suction port can outside independent gas production, also can be linked together each suction port by externally connected pipe a suction valve and air filter are installed; And each relief opening can be connected by externally connected pipe, is installed in an exhaust check valve, realizes working side by side, and perhaps, the air outlet of previous stage compression main frame is connected to the suction port of next stage, realizes the multistage compression of gas.The main shaft 2 of the screw rod star-wheel pair 1 of adjacent compression main frame connects transmission by transmission joint part 3, this transmission joint part 3 is a coupling, adopt key (or spline) and sleeve to form, have Cock screw on the sleeve, marking closely screw is that sleeve and key are positioned on its main shaft, transmission joint part 3 or cooperates with spline housing for key separately or sleeve and sell cooperation (pin is to be used for sleeve 9 is connected with main shaft 2) etc.Main shaft 2 input ends of first compression main frame are connected with a drive motor 4, the housing 5 of each compression main frame is housing independently separately, this housing 5 is linked together by flange assembly, described flange assembly comprises input end connecting flange 6 and the output terminal connecting flange 7 that cooperatively interacts and install, input end connecting flange 6 is located at the preceding joining end of compression host shell 5, and output terminal connecting flange 7 is located at the back joining end of compressor housing 5.Have the convex-concave edge on the flange respectively, make location usefulness during assembling, guarantee the concentricity of each main frame; Its flange can be integral with bearing support, also can be independent, also can become to be fabricated to one with shell separately.And,, on input end connecting flange 6 and output terminal connecting flange 7, be equipped with the bearing 8 that is used for supporting spindle 2 for main shaft 2 is had better supporting role.Simultaneously, bearing 8 one sides on the output terminal connecting flange 7 are provided with the sleeve 9 that is sleeved on the main shaft 2, and sleeve 9 roof pressures hold out against screw rod on the shaft shoulder of main shaft 2 front ends on the end face of the screw rod of screw rod star-wheel pair 1.
Tandem single screw compressor described in the utility model, the compression main frame of each group can be processed each part, assembling separately separately, be independent of each other, fit together after each self-assembly finishes and get final product, any compression main frame need detect maintenance, only needs this platform independent separated out to get final product, need not tear other group machine open, other group machine only needs to get final product proper functioning again on the place of separating connects, and installs and removes convenience easy to maintenance, is convenient to practical operation.
Because the utility model is made of the compression main frame series connection that works alone, the compression main frame of different displacements because each compression main frame can arbitrarily change the outfit, the described tandem single screw compressor of the technical program, it can constitute two kinds of mode of operations: (1) is respectively compressed main frame and is worked alone, (2) respectively compress main frame association and be made into the work of multistage compression pattern, two kinds of mode of operations, its flexibility is big, but the occasion of adaption demand gas with various discharge capacity, different output pressures is used.Wherein:
Pattern (1): when each compression main frame works alone, each air outlet can be connected by externally connected pipe, be installed in an exhaust check valve, also can independently exhaust check valve be installed in the exhaust of each compressor, connect with external pipeline again, realize working side by side, the compression main frame of different displacements is installed by assembly, the output discharge capacity that can make integrating compressor superpose out different, the staff can arbitrarily dispose the complete machine discharge capacity thus; For example, when requiring to change discharge capacity, if first group of compressor is 60 cubes/minute, series connection and one group of the same compressor, then total discharge capacity is 120 cubes/minute, if but the family is when needing 80 cubes/minute, can be just passable second group of compression that makes 20 cubes/minute into, the size of two stage compression also is different like this.Bigger if desired discharge capacity, the compressor of more the numbers of can connecting.
Pattern (2): compress main frame and need assist the multistage compression pattern that is made into, the air outlet of previous stage compression main frame is connected to the suction port of next stage, realizes the multistage compression of gas, with the output pressurized gas when each.Can the connect single screw compressor of different rotor size of single screw compression of this series connection can reach discharge capacity and pressure arbitrarily.For example: when requiring to be the secondary compression, two stage compressor is that the flow of gas decides its size after compressing according to one-level, and promptly two stage compression is in different size.As require secondary to be compressed to 2MPa, and the model of the first order is 64/8, and then only 8 cubes of needs are just much of that in second level compression, and the rotor of such two single screw rods and star-wheel size are just inequality, and the relief opening design of high stage compressor just can reach requirement by 2MPa.In like manner, the series connection compression more than three grades also is like this, and back one-level is littler than previous stage, can change arbitrarily discharge capacity and pressure like this, and processing, easy for installation, easy to maintenance, cost is lower.
Claims (5)
1. tandem single screw compressor, it is characterized in that: it is connected in series by the compression main frame of some platform independent and forms, the main shaft (2) of the screw rod star-wheel pair (1) of adjacent compression main frame connects transmission by transmission joint part (3), the main shaft of first compression main frame (2) input end is connected with a drive motor (4), the housing of each compression main frame (5) is housing independently separately, and this housing (5) is linked together by flange assembly.
2. tandem single screw compressor according to claim 1, it is characterized in that: described flange assembly comprises input end connecting flange (6) and the output terminal connecting flange (7) that cooperatively interacts and install, input end connecting flange (6) is located at the preceding joining end of compression host shell (5), and output terminal connecting flange (7) is located at the back joining end of compressor housing (5).
3. tandem single screw compressor according to claim 2 is characterized in that: be equipped with the bearing (8) that is used for supporting spindle (2) on described input end connecting flange (6) and the output terminal connecting flange (7).
4. tandem single screw compressor according to claim 3, it is characterized in that: bearing (8) one sides on the described output terminal connecting flange (7) are provided with the sleeve (9) that is sleeved on the main shaft (2), sleeve (9) roof pressure holds out against screw rod on the shaft shoulder of main shaft (2) front end on the end face of the screw rod of screw rod star-wheel pair (1).
5. tandem single screw compressor according to claim 1 is characterized in that: described transmission joint part (3) is a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200508786U CN201225287Y (en) | 2008-07-17 | 2008-07-17 | Tandem type single screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200508786U CN201225287Y (en) | 2008-07-17 | 2008-07-17 | Tandem type single screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201225287Y true CN201225287Y (en) | 2009-04-22 |
Family
ID=40598173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200508786U Expired - Fee Related CN201225287Y (en) | 2008-07-17 | 2008-07-17 | Tandem type single screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201225287Y (en) |
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 |
| CN104776025A (en) * | 2015-04-24 | 2015-07-15 | 福建雪人股份有限公司 | Multi-screw compressor |
| CN106050644A (en) * | 2016-08-05 | 2016-10-26 | 中国石油大学(华东) | Self-propelled rotary disc-type sealing screw pump for conveying high-viscosity fluid medium |
-
2008
- 2008-07-17 CN CNU2008200508786U patent/CN201225287Y/en not_active Expired - Fee Related
Cited By (5)
| 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 |
| CN104776025A (en) * | 2015-04-24 | 2015-07-15 | 福建雪人股份有限公司 | Multi-screw compressor |
| CN104776025B (en) * | 2015-04-24 | 2019-02-01 | 福建雪人股份有限公司 | Multiscrew compressor |
| CN106050644A (en) * | 2016-08-05 | 2016-10-26 | 中国石油大学(华东) | Self-propelled rotary disc-type sealing screw pump for conveying high-viscosity fluid medium |
| CN106050644B (en) * | 2016-08-05 | 2017-12-26 | 中国石油大学(华东) | It is a kind of to seal screw pump from ratary disk type for conveying high-viscosity fluid medium |
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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: 20090422 Termination date: 20150717 |
|
| EXPY | Termination of patent right or utility model |