CN104653463A - Screw compressor body structure and screw compressor - Google Patents
Screw compressor body structure and screw compressor Download PDFInfo
- Publication number
- CN104653463A CN104653463A CN201310597648.7A CN201310597648A CN104653463A CN 104653463 A CN104653463 A CN 104653463A CN 201310597648 A CN201310597648 A CN 201310597648A CN 104653463 A CN104653463 A CN 104653463A
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- Prior art keywords
- helical
- lobe compressor
- cavity
- compressor housing
- housing construction
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- 238000009413 insulation Methods 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims description 65
- 239000002355 dual-layer Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
The invention relates to a screw compressor body structure and a screw compressor. The screw compressor body structure comprises a shell and a cavity, wherein the shell is in a hollow cylinder shape, and the cavity is arranged in the shell; the cavity comprises a male rotor cavity, a female rotor cavity and a slide valve cavity which are respectively used for placing a male rotor, a female rotor and a slide valve; and the outer walls of the male rotor cavity, the female rotor cavity and the sliding valve cavity are respectively provided with a first supporting rib, a second supporting rib and a third supporting rib, and a sound insulation cavity is additionally arranged between the cavity and the shell. It achieves the purpose of improving the ratio of the double-layer wall in the machine body.
Description
Technical field
The present invention relates to a kind of Compressor Technology field, particularly relate to a kind of helical-lobe compressor housing construction and comprise the helical-lobe compressor of this structure.
Background technique
In prior art, helical-lobe compressor housing construction is the main parts size of helical-lobe compressor, male rotor in helical-lobe compressor housing construction and female rotor are under the parcel of housing, form airtight cavity volume, the tooth of male rotor and female rotor engages each other, and rotate separately, the process forming periodically variable cavity volume to suck, compress and discharge.
Helical-lobe compressor is in compression process, and moving element produces noise and vibration is inevitable.Therefore, helical-lobe compressor housing construction adopts double-wall structure, and the load of flange not only can be avoided to be delivered on the cavity of inner rotator, and effectively can block the transmission of the noise and vibration that inner rotator is rotated, guiding valve moves and bearing rotation etc. produces.The outer wall of double-wall structure is equivalent to an insulation board, and it can make the noise of helical-lobe compressor outside and vibration reduce.
At present, the housing construction of most of helical-lobe compressor all adopts dual-layer wall design concept, but existing housing construction does not really accomplish dual-layer wall design completely, the just dual-layer wall of local, do not accomplish that dual-layer wall designs with places such as intakepories in the outer part in piston chamber, female rotor chamber, the ratio that dual-layer wall occupies in the housing construction of helical-lobe compressor is very little.
In view of above-mentioned defect, the present inventor obtains the invention finally through long research and practice.
Summary of the invention
Based on this, be necessary helical-lobe compressor housing construction and helical-lobe compressor that a kind of anti-vibration reducing noise is provided.
A kind of helical-lobe compressor housing construction of the present invention, comprises housing and cavity, and described housing is hollow barrel-type, and described cavity is placed in the inside of described housing;
Described cavity comprises male rotor chamber, female rotor chamber and piston chamber, is respectively used to place male rotor, female rotor and guiding valve;
The outer wall of described male rotor chamber, described female rotor chamber and described piston chamber arranges the first supporting rib, the second supporting rib and the 3rd supporting rib, respectively for increasing sound insulation chamber between described cavity and described housing.
As a kind of embodiment, the first fixing column, the second fixing column and the 3rd fixing column are set between described cavity and described housing;
One end of described first fixing column is connected to the outer wall in described male rotor chamber, and the other end is connected to the inwall of described housing; One end of described second fixing column is connected to the outer wall in described female rotor chamber, and the other end is connected to the inwall of described housing; One end of described 3rd fixing column is connected to the outer wall of described piston chamber, and the other end is connected to the inwall of described housing.
As a kind of embodiment, described first supporting rib is connected on the inwall of described housing.
As a kind of embodiment, on the inwall that described second supporting rib is connected to described housing or described first supporting rib.
As a kind of embodiment, on the inwall that described 3rd supporting rib is connected to described housing or described 3rd fixing column.
As a kind of embodiment, described helical-lobe compressor housing construction also comprises suction end and exhaust end;
Described suction end and described exhaust end are placed in the two ends of described cavity respectively.
As a kind of embodiment, the ratio that the sectional area in described sound insulation chamber accounts for total cross-section area of described helical-lobe compressor housing construction is more than or equal to 25%.
As a kind of embodiment, the ratio that the sectional area in described sound insulation chamber accounts for total cross-section area of described helical-lobe compressor housing construction is 28%.
A kind of helical-lobe compressor of the present invention, comprises air suction structure, exhaust structure and described helical-lobe compressor housing construction;
Described air suction structure and described exhaust structure are connected respectively to described helical-lobe compressor housing construction.
As a kind of embodiment, described air suction structure, described exhaust structure are placed on the both ends open of the housing of described helical-lobe compressor housing construction respectively, and are connected with the suction end of described helical-lobe compressor housing construction, the exhaust end of described helical-lobe compressor housing construction respectively.
Beneficial effect of the present invention is compared with the prior art: helical-lobe compressor housing construction of the present invention improves the ratio that dual-layer wall occupies in helical-lobe compressor housing construction, the ratio that the sectional area in sound insulation chamber accounts for the total sectional area of helical-lobe compressor housing construction reaches optimum, cavity is avoided to contact too much with housing, housing becomes sound-proof wall, the motion of component in cavity is isolated from the outside, and supporting rib also assures that support strength; Helical-lobe compressor of the present invention reaches noise reduction and the object of vibration damping.
Accompanying drawing explanation
Fig. 1 is the schematic front view of helical-lobe compressor housing construction of the present invention;
Fig. 2 is that the master of helical-lobe compressor housing construction of the present invention looks generalized section;
Fig. 3 is that the axle of helical-lobe compressor housing construction (suction end) of the present invention looks schematic diagram;
Fig. 4 is the backsight generalized section of helical-lobe compressor housing construction of the present invention;
Fig. 5 is that the axle of helical-lobe compressor housing construction (exhaust end) of the present invention looks schematic diagram.
Embodiment
In order to solve the very little problem of ratio that dual-layer wall occupies, propose a kind of improve dual-layer wall ratio helical-lobe compressor housing construction and helical-lobe compressor realize compared with ratios dual-layer wall.
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristics and advantage of the present invention.
Refer to shown in Fig. 1, it is the schematic front view of helical-lobe compressor housing construction of the present invention, and helical-lobe compressor housing construction 100 comprises housing 110 and cavity 120.Housing 110 is hollow barrel-type, and cavity 120 is placed in the inside of housing 110.Generally, by fixing device, cavity 120 is fixed in housing 110.Housing 110 becomes sound-proof wall, and the component movement in cavity 120 is isolated from the outside, and reach noise reduction and the object of vibration damping, helical-lobe compressor housing construction 100 becomes double-wall structure.
Refer to shown in Fig. 2 and Fig. 3, Fig. 2 is that the master of helical-lobe compressor housing construction of the present invention looks generalized section, Fig. 3 is that the axle of helical-lobe compressor housing construction (suction end) of the present invention looks schematic diagram, cavity 120 comprises male rotor chamber 122, female rotor chamber 124 and piston chamber 126, is respectively used to place male rotor, female rotor and guiding valve.
Male rotor chamber 122, female rotor chamber 124 and the outer wall of piston chamber 126 arrange the first supporting rib 132, second supporting rib 134 and the 3rd supporting rib 136 respectively, article three, supporting rib is used for increasing sound insulation chamber between cavity 120 and housing 110, accomplish dual-layer wall design with the place such as intakeport in the outer part in piston chamber 126, female rotor chamber 124, improve the ratio that dual-layer wall occupies in helical-lobe compressor housing construction 100.
As a kind of embodiment, the first fixing column 112, second fixing column 114 and the 3rd fixing column 116 are set between cavity 120 and housing 110.
One end of first fixing column 112 is connected to the outer wall in male rotor chamber 122, and the other end is connected to the inwall of housing 110;
One end of second fixing column 114 is connected to the outer wall in female rotor chamber 124, and the other end is connected to the inwall of housing 110;
One end of 3rd fixing column 116 is connected to the outer wall of piston chamber 126, and the other end is connected to the inwall of housing 110.
Shown in Fig. 4 and Fig. 5, Fig. 4 is the backsight generalized section of helical-lobe compressor housing construction of the present invention, Fig. 5 is that the axle of helical-lobe compressor housing construction (exhaust end) of the present invention looks schematic diagram, and as a kind of embodiment, the first supporting rib 132 is connected on the inwall of housing 110.
As a kind of embodiment, on the inwall that second supporting rib 134 is connected to housing 110 or the first supporting rib 132, in the present embodiment, second supporting rib 134 is connected on the first supporting rib 132, cavity 120 can be avoided to contact too much with housing 110, improve the ratio that dual-layer wall occupies in helical-lobe compressor housing construction 100.
As a kind of embodiment, on the inwall that 3rd supporting rib 136 is connected to housing 110 or the 3rd fixing column 116, in the present embodiment, 3rd supporting rib 136 is connected to the inwall of housing 110, such first supporting rib 132 and the 3rd supporting rib 136 are all connected to housing 110, the stability of helical-lobe compressor housing construction 100 can be improved, avoid trembleing during vibration.
As a kind of embodiment, the ratio that the sectional area in sound insulation chamber accounts for total cross-section area of helical-lobe compressor housing construction 100 is more than or equal to 25%.Known by calculating, more preferably, the sectional area in sound insulation chamber accounts for 28% of the total sectional area of helical-lobe compressor housing construction 100, does not consider rotor chamber and piston chamber, the sectional area in sound insulation chamber accounts for 42% of the total sectional area of helical-lobe compressor housing construction 100, reaches optimum ratio.
Article three, supporting rib can proof strength requirement, guarantees the concentricity of rotor, bearing, parallelism, and ensure the needs that rotor high-speed rotates, stress balance, overall structure is stablized.
In the present invention, three supporting rib sizes have all reached minimum under the condition of structural limitations, allow the cavity 120 at the motion rotors place of helical-lobe compressor housing construction 100 all be separated by sound insulation chamber, the transmission of retardance noise, vibration.
Shown in Fig. 2 and Fig. 4, the cavity 120 at helical-lobe compressor housing construction 100 center completely separate by the cavity of outside, reach double-wall structure completely together with housing 110.The rotor chamber at the male rotor moved in helical-lobe compressor, female rotor place: male rotor chamber 122, female rotor chamber 124 are wrapped up by neighbouring sound insulation chamber, the piston chamber 126 played a major role in capacity regulating by near sound insulation chamber wrap up, make housing 110 be equivalent to an insulation board.
More preferably, be connected to when the second supporting rib 134 is different from the 3rd supporting rib 136 on the inwall of housing 110, so both can ensure support strength, double walled ratio can be improved again, reach good balance.
Helical-lobe compressor housing construction 100 also comprises suction end 180 and exhaust end 190, and suction end 180 and exhaust end 190 are placed in the two ends of cavity 120 respectively.
Based on same goal of the invention, the embodiment of the present invention also provides a kind of helical-lobe compressor, comprises air suction structure, exhaust structure and helical-lobe compressor housing construction 100.Air suction structure and exhaust structure are connected respectively to helical-lobe compressor housing construction 100.
As a kind of embodiment, on the both ends open of the housing 110 of the helical-lobe compressor housing construction 100 that air suction structure, exhaust structure are placed in respectively, and be connected with the suction end 180 of helical-lobe compressor housing construction 100, the exhaust end 190 of helical-lobe compressor housing construction 100 respectively.Helical-lobe compressor housing construction 100 of the present invention effectively reduces noise and the vibration of helical-lobe compressor, avoids the exercise load of the outside flange connected to be delivered on the inner cavity 120 placing rotor, improves the reliability of helical-lobe compressor.
Measure through test, the present invention compares with the helical-lobe compressor of same model, and use the helical-lobe compressor of helical-lobe compressor housing construction 100, level of noise can reduce 4dB, and vibration acceleration value can reduce 5dB.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a helical-lobe compressor housing construction, comprises housing and cavity, it is characterized in that,
Described housing is hollow barrel-type, and described cavity is placed in the inside of described housing;
Described cavity comprises male rotor chamber, female rotor chamber and piston chamber, is respectively used to place male rotor, female rotor and guiding valve;
The outer wall of described male rotor chamber, described female rotor chamber and described piston chamber arranges the first supporting rib, the second supporting rib and the 3rd supporting rib, respectively for increasing sound insulation chamber between described cavity and described housing.
2. helical-lobe compressor housing construction according to claim 1, is characterized in that, arranges the first fixing column, the second fixing column and the 3rd fixing column between described cavity and described housing;
One end of described first fixing column is connected to the outer wall in described male rotor chamber, and the other end is connected to the inwall of described housing; One end of described second fixing column is connected to the outer wall in described female rotor chamber, and the other end is connected to the inwall of described housing; One end of described 3rd fixing column is connected to the outer wall of described piston chamber, and the other end is connected to the inwall of described housing.
3. helical-lobe compressor housing construction according to claim 1, is characterized in that, described first supporting rib is connected on the inwall of described housing.
4. helical-lobe compressor housing construction according to claim 1, is characterized in that, on the inwall that described second supporting rib is connected to described housing or described first supporting rib.
5. helical-lobe compressor housing construction according to claim 2, is characterized in that, on the inwall that described 3rd supporting rib is connected to described housing or described 3rd fixing column.
6. helical-lobe compressor housing construction according to claim 1, is characterized in that, also comprises suction end and exhaust end;
Described suction end and described exhaust end are placed in the two ends of described cavity respectively.
7. the helical-lobe compressor housing construction according to any one of claim 1 to 6, is characterized in that, the ratio that the sectional area in described sound insulation chamber accounts for total cross-section area of described helical-lobe compressor housing construction is more than or equal to 25%.
8. helical-lobe compressor housing construction according to claim 7, is characterized in that, the ratio that the sectional area in described sound insulation chamber accounts for total cross-section area of described helical-lobe compressor housing construction is 28%.
9. a helical-lobe compressor, comprises air suction structure and exhaust structure, it is characterized in that, also comprises the helical-lobe compressor housing construction described in any one of claim 1 to 8;
Described air suction structure and described exhaust structure are connected respectively to described helical-lobe compressor housing construction.
10. helical-lobe compressor according to claim 9, it is characterized in that, described air suction structure, described exhaust structure are placed on the both ends open of the housing of described helical-lobe compressor housing construction respectively, and are connected with the suction end of described helical-lobe compressor housing construction, the exhaust end of described helical-lobe compressor housing construction respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310597648.7A CN104653463B (en) | 2013-11-22 | 2013-11-22 | screw compressor body structure and screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310597648.7A CN104653463B (en) | 2013-11-22 | 2013-11-22 | screw compressor body structure and screw compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104653463A true CN104653463A (en) | 2015-05-27 |
| CN104653463B CN104653463B (en) | 2017-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310597648.7A Active CN104653463B (en) | 2013-11-22 | 2013-11-22 | screw compressor body structure and screw compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN104653463B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812917A (en) * | 2017-10-16 | 2018-03-20 | 浙江锠泰机械工业有限公司 | A kind of forming method of high-precision main body |
| CN110131170A (en) * | 2018-02-08 | 2019-08-16 | 复盛股份有限公司 | Compressor with coolant liquid injection design |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234296A (en) * | 1978-06-14 | 1980-11-18 | Hitachi, Ltd. | Screw compressor |
| JPS5979093A (en) * | 1982-10-27 | 1984-05-08 | Hitachi Ltd | No-oiling type screw compressor |
| CN202250859U (en) * | 2011-09-28 | 2012-05-30 | 上海齐耀螺杆机械有限公司 | Coke-oven gas screw compressor unit |
| CN202301044U (en) * | 2011-10-19 | 2012-07-04 | 武汉新世界制冷工业有限公司 | Screw type refrigeration compressor body for air conditioner |
| CN203641011U (en) * | 2013-11-22 | 2014-06-11 | 珠海格力电器股份有限公司 | screw compressor body structure and screw compressor |
-
2013
- 2013-11-22 CN CN201310597648.7A patent/CN104653463B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234296A (en) * | 1978-06-14 | 1980-11-18 | Hitachi, Ltd. | Screw compressor |
| JPS5979093A (en) * | 1982-10-27 | 1984-05-08 | Hitachi Ltd | No-oiling type screw compressor |
| CN202250859U (en) * | 2011-09-28 | 2012-05-30 | 上海齐耀螺杆机械有限公司 | Coke-oven gas screw compressor unit |
| CN202301044U (en) * | 2011-10-19 | 2012-07-04 | 武汉新世界制冷工业有限公司 | Screw type refrigeration compressor body for air conditioner |
| CN203641011U (en) * | 2013-11-22 | 2014-06-11 | 珠海格力电器股份有限公司 | screw compressor body structure and screw compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812917A (en) * | 2017-10-16 | 2018-03-20 | 浙江锠泰机械工业有限公司 | A kind of forming method of high-precision main body |
| CN110131170A (en) * | 2018-02-08 | 2019-08-16 | 复盛股份有限公司 | Compressor with coolant liquid injection design |
| CN110131170B (en) * | 2018-02-08 | 2020-06-23 | 复盛股份有限公司 | Compressor with coolant injection design |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104653463B (en) | 2017-06-06 |
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