CN103481016B - A kind of rotary double cylinder compressor pump body assembly method - Google Patents
A kind of rotary double cylinder compressor pump body assembly method Download PDFInfo
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- CN103481016B CN103481016B CN201210196971.9A CN201210196971A CN103481016B CN 103481016 B CN103481016 B CN 103481016B CN 201210196971 A CN201210196971 A CN 201210196971A CN 103481016 B CN103481016 B CN 103481016B
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- cylinder
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- median septum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
Abstract
The invention provides a kind of rotary double cylinder compressor pump body assembly method, comprise the following steps: the upper rolling-rotor of S100, respectively measurement and the amount of bias of rolling-rotor on bent axle; S200, respectively assembling upper cylinder assembly and lower cylinder assembly, wherein upper cylinder assembly comprises upper flange and upper cylinder, and lower cylinder assembly comprises lower flange and lower cylinder; S300, in upper cylinder assembly, put into rolling-rotor and bent axle, be sidelong into median septum the neighbour of rolling-rotor, the relative position of adjustment upper cylinder assembly and median septum, make upper cylinder inwall circle concentric with median septum inwall circle, then with stay bolt, upper cylinder assembly is fixed on median septum, thus forms median septum assembly; S400, lower rolling-rotor is put into lower cylinder assembly, then with median septum assembling components, with stay bolt, lower cylinder assembly is fixed on median septum, completes the assembling of the pump housing.It reduces assembling factor to the impact of compressor performance, can adapt to requirements of mass production.
Description
Technical field
The present invention relates to compressor pump assembly method, particularly relate to a kind of rotary double cylinder compressor pump body assembly method.
Background technology
Along with improving constantly of people's living standard, the requirement of consumer to air-conditioning system is more and more higher, rotary compressor does not need convert rotational motion to be reciprocating movement conversion mechanism because of it, so the parts of rotary compressor are few, particularly few easy workout part, volume is little, lightweight, vibrate little, operation is relatively steady and energy consumption is low, is thus applied in air-conditioning system more and more widely.
According to the quantity of cylinder, rotary compressor can be divided into single cylinder compressor and duplex cylinder compressor, single cylinder compressor bent axle used is one-throw crankshaft, a corresponding compression chamber, and the bent axle of duplex cylinder compressor is two-throw crank shaft, the corresponding compression chamber of each crank throw, two compression chambers become 180 degree of angles, each compression chamber has respective air-breathing, exhaust channel, and from number of parts, the pump housing of duplex cylinder compressor needs two rolling-rotors, two cylinders.Duplex cylinder compressor has twice suction, exhaust at rotor in one week, the pressure oscillation of gas is reduced, the amplitude of variation of its torque diminishes, and is only 30% of single cylinder compressor, and therefore its vibration and noise are greatly improved, but also there are some shortcomings at present in it, because fit clearance increases, leak and also increase, therefore can have negative impact to performance, simultaneously due to many than single cylinder system complex of the assembling of duplex cylinder compressor, pump housing assembling is wherein exactly the technology of a more difficult grasp.
For rotary double cylinder compressor, in existing pump housing assembly method, generally be bolted on cylinder by the compressor pump such as cylinder head, median septum parts, along with the progress of rotary compression machine technology, the limitation of existing pump housing assembly method highlights day by day.
On the one hand, along with the development of rotary double cylinder compressor high efficiency, cylinder flattening is more and more subject to the favor of designer, but due to cylinder height reduction, the effective length be threaded shortens, the fastening torque of bolt causing the pump housing to assemble reduces, make compressor in assembling, transport or the course of work, the pump housing is under the impact of motive power, and part produces displacement, Pump Body Parts gap changes, and affects compressor performance and reliability.
On the other hand, along with the development of double-cylinder variable-capacity compressor, double-stage compressor, the cylinder of compressor needs to bear more function, cylinder wall can be designed more position, hole, these positions, hole increased make cylinder wall intensity reduce, under the effect of Bolt Torque, Cylinder Wall Deformation increases, and causes compressor performance coefficient and reliability decrease.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of rotary double cylinder compressor pump body assembly method, operation is simple, and equipment investment is few, and quality is guaranteed, can adapt to large-scale production requirement.For achieving the above object, technical scheme of the present invention is as follows:
A kind of rotary double cylinder compressor pump body assembly method, the method comprises the following steps:
The upper rolling-rotor of S100, respectively measurement and the amount of bias of lower rolling-rotor on bent axle;
S200, respectively assembling upper cylinder assembly and lower cylinder assembly, wherein upper cylinder assembly comprises upper flange and upper cylinder, and lower cylinder assembly comprises lower flange and lower cylinder;
S300, in upper cylinder assembly, put into rolling-rotor and bent axle, be sidelong into median septum the neighbour of upper rolling-rotor, the relative position of adjustment upper cylinder assembly and median septum, make upper cylinder inwall circle concentric with median septum inwall circle, then with stay bolt, upper cylinder assembly is fixed on median septum, thus forms median septum assembly;
S400, lower rolling-rotor is put into lower cylinder assembly, then with median septum assembling components, when crankshaft rotating, make lower flange and upper flange carry out concentric fits, with stay bolt, lower cylinder assembly is fixed on median septum, completes the assembling of the pump housing.
More preferably, described step S100 is specially:
Upper rolling-rotor and lower rolling-rotor are arranged on bent axle respectively, in measurement, rolling-rotor external diameter is to the ultimate range Xmax of bent axle major axis heteropleural external diameter, then measure lower rolling-rotor external diameter to the ultimate range Ymax of bent axle minor axis heteropleural external diameter, finally take off rolling-rotor and lower rolling-rotor respectively.
More preferably, described step 200 is specially:
S210, determine upper rolling-rotor gap delta 1, this step comprises: assembling upper cylinder and upper flange, and the inwall measuring upper cylinder, to the distance X of upper flange heteropleural inwall, calculates rolling-rotor gap:
δ1=X-Xmax
Based on the δ 1 calculated, the relative position of adjustment upper cylinder and upper flange, when δ 1 reaches in specified scope, is fixed on upper flange with lag bolt by upper cylinder, forms upper cylinder assembly;
S220, determine lower rolling-rotor gap delta 2, this step comprises: group lower cylinder and lower flange, the inwall measuring lower cylinder to lower flange heteropleural inwall apart from Y, rolling-rotor gap under calculating:
δ2=Y-Ymax
Based on the δ 2 calculated, the relative position of adjustment lower cylinder lower flange, when δ 2 reaches in specified scope, is fixed on lower flange with lag bolt by lower cylinder, forms lower cylinder assembly.
More preferably, described upper flange, median septum and lower flange are respectively arranged with locating hole, use alignment pin to locate it.
More preferably, the length of the described stay bolt in described step S300 and described step S400 is 19 ~ 28mm.
More preferably, the length of described lag bolt is 6 ~ 15mm.
More preferably, the survey tool in described step S100 or described step S200 is electric micrometer or air-gauge.
More preferably, the height of described upper cylinder and described lower cylinder is 5 ~ 14mm.
The invention has the beneficial effects as follows: the assembly method that the object of the present invention is to provide a kind of rotary double cylinder compressor pump body, this pump housing assembly method can overcome shortcoming or the limitation of the existence of existing double cylinder compressor pump body assembly method, reduce assembling factor to the impact of compressor performance, make the double cylinder compressor pump body quality of production guaranteed, and the needs produced in enormous quantities can be met.
Accompanying drawing explanation
Fig. 1 is the rolling-rotor of rotary type compressor pump body provided therewith and the sectional view of crankshaft group that adopt rotary double cylinder compressor pump body assembly method of the present invention;
Fig. 2 is the upper cylinder assemble cross-section of the rotary type compressor pump body provided therewith adopting rotary double cylinder compressor pump body assembly method of the present invention;
Fig. 3 is the lower cylinder assemble cross-section of the rotary type compressor pump body provided therewith adopting rotary double cylinder compressor pump body assembly method of the present invention;
Fig. 4 is the median septum assemble cross-section of the rotary type compressor pump body provided therewith adopting rotary double cylinder compressor pump body assembly method of the present invention;
Fig. 5 is the sectional view of the pump housing of the rotary compressor adopting rotary double cylinder compressor pump body assembly method of the present invention.
Wherein,
1 bent axle; Rolling-rotor on 11; 12 times rolling-rotors; 2 upper flanges; 3 upper cylinders;
31 lag bolts; 4 median septums; 5 lower cylinders; 6 lower flanges; 7 stay bolts.
Detailed description of the invention
Clearly understand to make object of the present invention, technical scheme and advantage, below in conjunction with drawings and Examples, for air-conditioner rotary double cylinder compressor pump body, rotary double cylinder compressor pump body assembly method of the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention the pump housing of described rotary double cylinder compressor pump body assembly method for air-conditioner rotary double cylinder compressor.
With reference to Fig. 5, the rotary double cylinder compressor pump body of the embodiment of the present invention comprises bent axle 1, upper flange 2, upper cylinder 3, upper rolling-rotor 11, median septum 4, lower cylinder 5, lower rolling-rotor 12, lower flange 6, and wherein upper flange 2 is concentric with the inwall circle of lower flange 6 and median septum 4.
The rotary double cylinder compressor pump body assembly method of the embodiment of the present invention is as follows:
The first step: measure upper rolling-rotor 11 and the amount of bias of lower rolling-rotor 12 on bent axle respectively;
As shown in Figure 1, upper rolling-rotor 11 and lower rolling-rotor 12 are arranged on bent axle 1 respectively, the top long end portion of bent axle 1 is bent axle 1 major axis, the bottom short end portion of bent axle 1 is bent axle 1 minor axis, measure the ultimate range Xmax of upper rolling-rotor 11 external diameter to bent axle 1 major axis heteropleural external diameter with electric micrometer or air-gauge, then measure the ultimate range Ymax of lower rolling-rotor 11 external diameter to bent axle 1 minor axis heteropleural external diameter; Write down measured value, finally take off rolling-rotor 11 and lower rolling-rotor 12 respectively.
Second step: assemble upper cylinder assembly and lower cylinder assembly respectively, wherein upper cylinder assembly comprises upper flange 2 and upper cylinder 3, and lower cylinder assembly comprises lower flange 6 and lower cylinder 5;
As shown in Figure 2, assembling upper cylinder 3 and upper flange 2, measure the inwall of upper cylinder 3 to the distance X of upper flange 2 heteropleural inwall with electric micrometer or air-gauge, calculate rolling-rotor 11 gap:
δ1=X-Xmax
Based on the δ 1 calculated, adjustment upper cylinder 3 and the relative position of upper flange 2, when δ 1 reaches in specified scope, be fixed on upper flange with lag bolt 31 by upper cylinder, form upper cylinder assembly, the length of described lag bolt 31 is 6 ~ 15mm;
As shown in Figure 3, assembling lower cylinder 5 and lower flange 6, measure the distance Y of inwall to lower flange 6 heteropleural inwall of lower cylinder 5 with electric micrometer or air-gauge, calculate lower rolling-rotor gap:
δ2=Y-Ymax
Based on the δ 2 calculated, the relative position of adjustment lower cylinder lower flange, when δ 2 reaches in specified scope, be fixed on lower flange 6 with lag bolt 31 by lower cylinder 5, form lower cylinder assembly, the length of described lag bolt 31 is 6 ~ 15mm.
3rd step: assembling median septum assembly;
As shown in Figure 4, rolling-rotor 11, bent axle 1 is put in upper cylinder assembly, be sidelong into median septum 4 the neighbour of upper rolling-rotor 11, the relative position of adjustment upper cylinder assembly and median septum 4, make upper cylinder 3 inwall circle concentric with median septum 4 inwall circle, then be fixed on median septum 4 by upper cylinder assembly with stay bolt 7, thus form median septum assembly, the length of described stay bolt 7 is 19 ~ 28mm.
4th step: the assembling pump housing;
As shown in Figure 5, lower rolling-rotor 12 is put into lower cylinder assembly, then with median septum assembling components, when bent axle 1 rotates, lower flange 6 and upper flange 2 is made to carry out concentric fits, be fixed on median septum 4 by lower cylinder assembly with stay bolt 7, complete the assembling of the pump housing, the length of described stay bolt 7 is 19 ~ 28mm.
As a kind of embodiment, determine upper flange 2 and median septum 4, lower flange 6 the concentric method of inwall circle for using self-centering equipment or drive locating hole respectively on upper flange 2, median septum 4 and lower flange 6, use alignment pin to position three.
As another kind of embodiment, the height of described upper cylinder 2 and described lower cylinder 3 is 5 ~ 14mm.
The rotary double cylinder compressor pump body assembly method of the present embodiment is compared with general pump housing assembly method, be fixed on upper flange, lower flange and median septum owing to being threaded, the cylinder height of compressor is not limited by pump housing assembly technology, be conducive to cylinder flattening design, be conducive to improving compressor efficiency; Cylinder deformation is little, fretting wear when reducing compressor operating between Pump Body Parts, improves compressor efficiency and reliability; For the cylinder of height 5 ~ 14mm, adopt this assembling scheme, can effectively improve the reliability be threaded, ensure assembly quality.Because cylinder in the present embodiment and median septum have carried out concentric fits, the sealant band width in the pump housing between rolling-rotor and median septum can be ensured, reduce refrigrant leakage loss, improve compressor Energy Efficiency Ratio.
The above embodiment only have expressed several embodiment 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.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a rotary double cylinder compressor pump body assembly method, is characterized in that, the method comprises the following steps:
The upper rolling-rotor of S100, respectively measurement and the amount of bias of lower rolling-rotor on bent axle, be specially: upper rolling-rotor and lower rolling-rotor are arranged on bent axle respectively, in measurement, rolling-rotor external diameter is to the ultimate range Xmax of bent axle major axis heteropleural external diameter, then measure lower rolling-rotor external diameter to the ultimate range Ymax of bent axle minor axis heteropleural external diameter, finally take off rolling-rotor and lower rolling-rotor respectively;
S200, respectively assembling upper cylinder assembly and lower cylinder assembly, wherein upper cylinder assembly comprises upper flange and upper cylinder, and lower cylinder assembly comprises lower flange and lower cylinder;
S300, in upper cylinder assembly, put into rolling-rotor and bent axle, be sidelong into median septum the neighbour of upper rolling-rotor, the relative position of adjustment upper cylinder assembly and median septum, make upper cylinder inwall circle concentric with median septum inwall circle, then with stay bolt, upper cylinder assembly is fixed on median septum, thus forms median septum assembly;
S400, lower rolling-rotor is put into lower cylinder assembly, then with median septum assembling components, when crankshaft rotating, make lower flange and upper flange carry out concentric fits, with stay bolt, lower cylinder assembly is fixed on median septum, completes the assembling of the pump housing.
2. rotary double cylinder compressor pump body assembly method according to claim 1, is characterized in that, described step 200 is specially:
S210, determine upper rolling-rotor gap delta 1, this step comprises: assembling upper cylinder and upper flange, and the inwall measuring upper cylinder, to the distance X of upper flange heteropleural inwall, calculates rolling-rotor gap:
δ1＝X-Xmax
Based on the δ 1 calculated, the relative position of adjustment upper cylinder and upper flange, when δ 1 reaches in specified scope, is fixed on upper flange with lag bolt by upper cylinder, forms upper cylinder assembly;
S220, determine lower rolling-rotor gap delta 2, this step comprises: group lower cylinder and lower flange, the inwall measuring lower cylinder to lower flange heteropleural inwall apart from Y, rolling-rotor gap under calculating:
δ2＝Y-Ymax
Based on the δ 2 calculated, the relative position of adjustment lower cylinder lower flange, when δ 2 reaches in specified scope, is fixed on lower flange with lag bolt by lower cylinder, forms lower cylinder assembly.
3. rotary double cylinder compressor pump body assembly method according to claim 1, is characterized in that:
Described upper flange, median septum and lower flange are respectively arranged with locating hole, use alignment pin to locate it.
4. rotary double cylinder compressor pump body assembly method according to claim 1, is characterized in that:
The length of the described stay bolt in described step S300 and described step S400 is 19 ~ 28mm.
5. rotary double cylinder compressor pump body assembly method according to claim 2, is characterized in that:
The length of described lag bolt is 6 ~ 15mm.
6. the rotary double cylinder compressor pump body assembly method according to any one of claim 1 to 2, is characterized in that:
Survey tool in described step S100 or described step S200 is electric micrometer or air-gauge.
7. the rotary double cylinder compressor pump body assembly method according to any one of claim 1 to 5, is characterized in that:
The height of described upper cylinder and described lower cylinder is 5 ~ 14mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210196971.9A CN103481016B (en) | 2012-06-14 | 2012-06-14 | A kind of rotary double cylinder compressor pump body assembly method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210196971.9A CN103481016B (en) | 2012-06-14 | 2012-06-14 | A kind of rotary double cylinder compressor pump body assembly method |
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| CN103481016A CN103481016A (en) | 2014-01-01 |
| CN103481016B true CN103481016B (en) | 2016-03-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105290781B (en) * | 2015-11-16 | 2018-01-16 | 珠海格力电器股份有限公司 | The centering technique and a kind of process flange of a kind of three cylinder compressor |
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|---|---|---|---|---|
| US4584750A (en) * | 1984-02-28 | 1986-04-29 | Kabushiki Kaisha Toshiba | Enclosed type compressor and method for assembling the same |
| CN1140806A (en) * | 1995-05-04 | 1997-01-22 | 运载器有限公司 | Twin cylinder rotary compressor |
| CN1467377A (en) * | 2002-06-05 | 2004-01-14 | ������������ʽ���� | Rotary compressor and method for manufacturing same and removal volumetric proportions setting method |
| JP2004340051A (en) * | 2003-05-16 | 2004-12-02 | Calsonic Compressor Seizo Kk | Electric compressor |
| CN1676938A (en) * | 2005-05-31 | 2005-10-05 | 西安庆安制冷设备股份有限公司 | Rotary dual-cylinder compressor using exhaust middle partition board |
| CN101929462A (en) * | 2009-06-24 | 2010-12-29 | 珠海格力电器股份有限公司 | Method for assembling pump body of double-cylinder rotary compressor |
| CN102121474A (en) * | 2010-01-07 | 2011-07-13 | 珠海格力电器股份有限公司 | Method for assembling pump body of double-cylinder rotation type compressor |
-
2012
- 2012-06-14 CN CN201210196971.9A patent/CN103481016B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4584750A (en) * | 1984-02-28 | 1986-04-29 | Kabushiki Kaisha Toshiba | Enclosed type compressor and method for assembling the same |
| CN1140806A (en) * | 1995-05-04 | 1997-01-22 | 运载器有限公司 | Twin cylinder rotary compressor |
| CN1467377A (en) * | 2002-06-05 | 2004-01-14 | ������������ʽ���� | Rotary compressor and method for manufacturing same and removal volumetric proportions setting method |
| JP2004340051A (en) * | 2003-05-16 | 2004-12-02 | Calsonic Compressor Seizo Kk | Electric compressor |
| CN1676938A (en) * | 2005-05-31 | 2005-10-05 | 西安庆安制冷设备股份有限公司 | Rotary dual-cylinder compressor using exhaust middle partition board |
| CN101929462A (en) * | 2009-06-24 | 2010-12-29 | 珠海格力电器股份有限公司 | Method for assembling pump body of double-cylinder rotary compressor |
| CN102121474A (en) * | 2010-01-07 | 2011-07-13 | 珠海格力电器股份有限公司 | Method for assembling pump body of double-cylinder rotation type compressor |
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