CN104653463B - Helical-lobe compressor housing construction and helical-lobe compressor - Google Patents
Helical-lobe compressor housing construction and helical-lobe compressor Download PDFInfo
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- CN104653463B CN104653463B CN201310597648.7A CN201310597648A CN104653463B CN 104653463 B CN104653463 B CN 104653463B CN 201310597648 A CN201310597648 A CN 201310597648A CN 104653463 B CN104653463 B CN 104653463B
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Abstract
The present invention relates to a kind of helical-lobe compressor housing construction and helical-lobe compressor.The helical-lobe compressor housing construction includes housing and cavity, and the housing is hollow barrel-type, and the cavity is placed in the inside of the housing；The cavity includes male rotor chamber, female rotor chamber and piston chamber, is respectively used to place male rotor, female rotor and guiding valve；The first brace rod, the second brace rod and the 3rd brace rod are respectively provided with the outer wall of the male rotor chamber, the female rotor chamber with the piston chamber, for increasing sound insulation chamber between the cavity and the housing.It reaches and improves the purpose that double wall occupies ratio in body.
Description
Technical field
The present invention relates to a kind of Compressor Technology field, more particularly to a kind of helical-lobe compressor housing construction and including this
The helical-lobe compressor of structure.
Background technology
In the prior art, helical-lobe compressor housing construction is the main parts size of helical-lobe compressor, helical-lobe compressor body
Male rotor in structure under the parcel of housing, forms closed cavity volume with female rotor, and male rotor is mutual with the tooth of female rotor
Engagement, and each rotate, periodically variable cavity volume is formed to complete to suck, compress and the process discharged.
In compression process, it is inevitable that moving component produces noise and vibration to helical-lobe compressor.Therefore, screw rod pressure
Contracting machine housing construction uses double-wall structure, can not only avoid the load of flange from being delivered on the cavity of inner rotator, and
The transmission of the produced noise such as inner rotator rotation, guiding valve movement and bearing rotation and vibration can effectively be blocked.Double wall
Equivalent to a sound panel, it can make the noise and vibration reduction outside helical-lobe compressor to the outer wall of structure.
At present, the housing construction of most of helical-lobe compressors all uses double wall design concept, but existing housing construction
The design of complete double wall is not truly realized, simply local double wall, in piston chamber, female rotor chamber in the outer part and air-breathing
Mouth etc. does not accomplish that double wall is designed, the ratio very little that double wall occupies in the housing construction of helical-lobe compressor.
In view of drawbacks described above, the present inventor passes through prolonged research and practice obtains the invention finally.
The content of the invention
Based on this, it is necessary to provide the helical-lobe compressor housing construction and helical-lobe compressor of a kind of anti-vibration reducing noise.
A kind of helical-lobe compressor housing construction of the invention, including housing and cavity, the housing are hollow barrel-type, described
Cavity is placed in the inside of the housing；
The cavity includes male rotor chamber, female rotor chamber and piston chamber, is respectively used to place male rotor, female rotor and cunning
Valve；
The first brace rod, are respectively provided with the outer wall of the male rotor chamber, the female rotor chamber with the piston chamber
Two brace rods and the 3rd brace rod, for increasing sound insulation chamber between the cavity and the housing.
As a kind of embodiment, set between the cavity and the housing the first fixed column, the second fixed column with
3rd fixed column；
One end of first fixed column is connected to the outer wall in the male rotor chamber, and the other end is connected to the interior of the housing
Wall；One end of second fixed column is connected to the outer wall in the female rotor chamber, and the other end is connected to the inwall of the housing；Institute
The one end for stating the 3rd fixed column is connected to the outer wall of the piston chamber, and the other end is connected to the inwall of the housing.
Used as a kind of embodiment, first brace rod is connected on the inwall of the housing.
Used as a kind of embodiment, second brace rod is connected to the inwall or first brace rod of the housing
On.
Used as a kind of embodiment, the 3rd brace rod is connected to the inwall or the 3rd fixed column of the housing
On.
Used as a kind of embodiment, described helical-lobe compressor housing construction also includes suction end and exhaust end；
The suction end is respectively placed in the two ends of the cavity with the exhaust end.
Used as a kind of embodiment, the sectional area in the sound insulation chamber accounts for the total transversal of the helical-lobe compressor housing construction
The ratio of area is more than or equal to 25%.
Used as a kind of embodiment, the sectional area in the sound insulation chamber accounts for the total transversal of the helical-lobe compressor housing construction
The ratio of area is 28%.
A kind of helical-lobe compressor of the invention, including air suction structure, exhaust structure and described helical-lobe compressor body knot
Structure；
The air suction structure is connected respectively to described helical-lobe compressor housing construction with the exhaust structure.
Used as a kind of embodiment, the air suction structure, the exhaust structure are respectively placed in the helical-lobe compressor machine
On the both ends open of the housing of body structure, and suction end, the screw compression respectively with the helical-lobe compressor housing construction
The exhaust end connection of machine housing construction.
Compared with the prior art the beneficial effects of the present invention are：Helical-lobe compressor housing construction of the invention improves double-deck
The ratio that wall occupies in helical-lobe compressor housing construction, the sectional area in sound insulation chamber accounts for the total cross section of helical-lobe compressor housing construction
Long-pending ratio is optimal, it is to avoid cavity is contacted too much with housing, and housing turns into sound-proof wall, makes the motion of parts in cavity
It is isolated from the outside, brace rod also assures that support strength；Helical-lobe compressor of the invention reaches the purpose of noise reduction and vibration damping.
Brief description of the drawings
Fig. 1 is the schematic front view of helical-lobe compressor housing construction of the invention；
Fig. 2 is the main view generalized section of helical-lobe compressor housing construction of the invention；
Fig. 3 is helical-lobe compressor housing construction of the invention（Suction end）Axle regard schematic diagram；
Fig. 4 is the backsight generalized section of helical-lobe compressor housing construction of the invention；
Fig. 5 is helical-lobe compressor housing construction of the invention（Exhaust end）Axle regard schematic diagram.
Specific embodiment
In order to solve the problems, such as the ratio very little that double wall occupies, it is proposed that a kind of screw compression of raising double wall ratio
Machine housing construction and helical-lobe compressor realize the double wall compared with ratios.
Below in conjunction with accompanying drawing, the technical characteristic above-mentioned and other to the present invention and advantage are described in more detail.
Refer to shown in Fig. 1, it is the schematic front view of helical-lobe compressor housing construction of the invention, helical-lobe compressor machine
Body structure 100 includes housing 110 and cavity 120.Housing 110 is hollow barrel-type, and cavity 120 is placed in the inside of housing 110.Typically
In the case of, cavity 120 is fixed in housing 110 by fixing device.Housing 110 turns into sound-proof wall, makes zero in cavity 120
Part motion is isolated from the outside, and reaches the purpose of noise reduction and vibration damping, and helical-lobe compressor housing construction 100 turns into double-wall structure.
Refer to shown in Fig. 2 and Fig. 3, Fig. 2 is the main view generalized section of helical-lobe compressor housing construction of the invention, scheme
3 is helical-lobe compressor housing construction of the invention（Suction end）Axle regard schematic diagram, cavity 120 includes male rotor chamber 122, cloudy turns
Sub- chamber 124 and piston chamber 126, are respectively used to place male rotor, female rotor and guiding valve.
The first brace rod 132, the are respectively provided with male rotor chamber 122, the outer wall of female rotor chamber 124 and piston chamber 126
Two brace rods 134 and the 3rd brace rod 136, three brace rods are used to increase sound insulation chamber between cavity 120 and housing 110,
Piston chamber 126, female rotor chamber 124 accomplish that double wall is designed with air entry etc. in the outer part, improve double wall in helical-lobe compressor
The ratio occupied in housing construction 100.
As a kind of embodiment, the first fixed column 112, the second fixed column is set between cavity 120 and housing 110
114 and the 3rd fixed column 116.
One end of first fixed 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 fixed 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 fixed column 116 is connected to the outer wall of piston chamber 126, and the other end is connected to the inwall of housing 110.
Incorporated by reference to shown in Fig. 4 and Fig. 5, Fig. 4 is the backsight generalized section of helical-lobe compressor housing construction of the invention, figure
5 is helical-lobe compressor housing construction of the invention（Exhaust end）Axle regard schematic diagram, as a kind of embodiment, the first support
Muscle 132 is connected on the inwall of housing 110.
Used as a kind of embodiment, the second brace rod 134 is connected on the inwall of housing 110 or the first brace rod 132,
In the present embodiment, the second brace rod 134 is connected on the first brace rod 132, can avoid cavity 120 with housing 110 too much
Contact, improves the ratio that double wall occupies in helical-lobe compressor housing construction 100.
Used as a kind of embodiment, the 3rd brace rod 136 is connected in the inwall of housing 110 or the 3rd fixed column 116,
In the present embodiment, the 3rd brace rod 136 is connected to the inwall of housing 110, the brace rod 136 of such first brace rod 132 and the 3rd
Housing 110 is all connected to, the stability of helical-lobe compressor housing construction 100 can be improved, it is to avoid trembleed during vibration.
Used as a kind of embodiment, the sectional area in sound insulation chamber accounts for the total cross-sectional area of helical-lobe compressor housing construction 100
Ratio be more than or equal to 25%.By calculating, more preferably, the sectional area in sound insulation chamber accounts for helical-lobe compressor housing construction 100
Total sectional area 28%, rotor chamber and piston chamber are not considered, the sectional area in sound insulation chamber accounts for helical-lobe compressor housing construction 100
The 42% of total sectional area, has been optimal ratio.
Three brace rod ensure that intensity requirement, it is ensured that rotor, the concentricity of bearing, the depth of parallelism, it is ensured that rotor is at a high speed
The need for rotation, stress balance, overall structure stabilization.
In the present invention, three brace rod sizes have reached minimum under conditions of structure limitation, allow helical-lobe compressor machine
Cavity 120 where the motion rotors of body structure 100 is all separated by sound insulation chamber, retardance noise, the transmission of vibration.
Incorporated by reference to shown in Fig. 2 and Fig. 4, the cavity 120 at the center of helical-lobe compressor housing construction 100 is completely by the sky of outside
Chamber is separated, and complete double-wall structure has been reached together with housing 110.Male rotor, the female rotor moved in helical-lobe compressor
The rotor chamber at place：Male rotor chamber 122, female rotor chamber 124 are wrapped up by neighbouring sound insulation chamber, are played a major role in capacity regulating
Piston chamber 126 wrapped up by neighbouring sound insulation chamber so that housing 110 is equivalent to a sound panel.
More preferably, it is connected on the inwall of housing 110 when the second brace rod 134 is different from the 3rd brace rod 136, so both
Support strength can be ensured, the ratio of double wall can be improved again, reach preferably balance.
Helical-lobe compressor housing construction 100 also includes suction end 180 and exhaust end 190, suction end 180 and exhaust end 190
It is respectively placed in the two ends of cavity 120.
Based on same goal of the invention, the embodiment of the present invention also provides a kind of helical-lobe compressor, including air suction structure, exhaust knot
Structure and helical-lobe compressor housing construction 100.Air suction structure is connected respectively to helical-lobe compressor housing construction 100 with exhaust structure.
As a kind of embodiment, the helical-lobe compressor housing construction 100 that air suction structure, exhaust structure are respectively placed in
On the both ends open of housing 110, and suction end 180, helical-lobe compressor body knot respectively with helical-lobe compressor housing construction 100
The exhaust end 190 of structure 100 is connected.Helical-lobe compressor housing construction 100 of the invention effectively reduce helical-lobe compressor noise and
Vibration, it is to avoid the exercise load of the flange of external connection is delivered on the internal cavity 120 for placing rotor, improves screw compression
The reliability of machine.
Measured through experiment, the present invention is compared with the helical-lobe compressor of same model, uses helical-lobe compressor housing construction 100
Helical-lobe compressor, level of noise can reduce 4dB, and vibration acceleration value can reduce 5dB.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.
Claims (8)
1. a kind of helical-lobe compressor housing construction, including housing and cavity, it is characterised in that
The housing is hollow barrel-type, and the cavity is placed in the inside of the housing；
The cavity includes male rotor chamber, female rotor chamber and piston chamber, is respectively used to place male rotor, female rotor and guiding valve；
Be respectively provided with the outer wall of the male rotor chamber, the female rotor chamber with the piston chamber the first brace rod, second
Support muscle and the 3rd brace rod, for increasing sound insulation chamber between the cavity and the housing, turn the piston chamber, described the moon
Double-wall structure, the ratio that lifting double-wall structure occupies in the helical-lobe compressor housing construction are formed at sub- chamber；
First fixed column, the second fixed column and the 3rd fixed column are set between the cavity and the housing；
One end of first fixed column is connected to the outer wall in the male rotor chamber, and the other end is connected to the inwall of the housing；
One end of second fixed column is connected to the outer wall in the female rotor chamber, and the other end is connected to the inwall of the housing；It is described
One end of 3rd fixed column is connected to the outer wall of the piston chamber, and the other end is connected to the inwall of the housing；
The ratio that the sectional area in the sound insulation chamber accounts for the total cross-sectional area of the helical-lobe compressor housing construction is more than or equal to
25%。
2. helical-lobe compressor housing construction according to claim 1, it is characterised in that first brace rod is connected to institute
State on the inwall of housing.
3. helical-lobe compressor housing construction according to claim 1, it is characterised in that second brace rod is connected to institute
State on the inwall or first brace rod of housing.
4. helical-lobe compressor housing construction according to claim 1, it is characterised in that the 3rd brace rod is connected to institute
State on the inwall or the 3rd fixed column of housing.
5. helical-lobe compressor housing construction according to claim 1, it is characterised in that also including suction end and exhaust end；
The suction end is respectively placed in the two ends of the cavity with the exhaust end.
6. the helical-lobe compressor housing construction according to any one of claim 1 to 5, it is characterised in that the sound insulation chamber
The ratio that sectional area accounts for the total cross-sectional area of the helical-lobe compressor housing construction is 28%.
7. a kind of helical-lobe compressor, including air suction structure and exhaust structure, it is characterised in that also any including claim 1 to 6
Helical-lobe compressor housing construction described in；
The air suction structure is connected respectively to described helical-lobe compressor housing construction with the exhaust structure.
8. helical-lobe compressor according to claim 7, it is characterised in that the air suction structure, exhaust structure difference
Be placed on the both ends open of the housing of the helical-lobe compressor housing construction, and respectively with the helical-lobe compressor housing construction
The exhaust end connection of suction end, the helical-lobe compressor housing construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310597648.7A CN104653463B (en) | 2013-11-22 | 2013-11-22 | Helical-lobe compressor housing construction and helical-lobe compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310597648.7A CN104653463B (en) | 2013-11-22 | 2013-11-22 | Helical-lobe compressor housing construction and helical-lobe compressor |
Publications (2)
| Publication Number | Publication Date |
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| CN104653463A CN104653463A (en) | 2015-05-27 |
| CN104653463B true CN104653463B (en) | 2017-06-06 |
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| CN201310597648.7A Active CN104653463B (en) | 2013-11-22 | 2013-11-22 | Helical-lobe compressor housing construction and helical-lobe compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107812917B (en) * | 2017-10-16 | 2019-06-28 | 浙江锠泰机械工业有限公司 | A kind of forming method of high-precision main body |
| TWI651472B (en) * | 2018-02-08 | 2019-02-21 | 復盛股份有限公司 | Compressor with coolant injection design |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54163416A (en) * | 1978-06-14 | 1979-12-26 | 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 machine body structure and screw compressor |
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