CN103486031B - 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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- CN103486031B CN103486031B CN201210196973.8A CN201210196973A CN103486031B CN 103486031 B CN103486031 B CN 103486031B CN 201210196973 A CN201210196973 A CN 201210196973A CN 103486031 B CN103486031 B CN 103486031B
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Abstract
The invention provides 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 Offset 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, central diaphragm, lower rolling rotor and lower cylinder assembly is put into respectively in the adjacent side of upper rolling rotor, the relative position of adjustment lower cylinder assembly and upper cylinder assembly, make upper flange inwall circle concentric with lower flange inwall circle, then with stay bolt, lower cylinder assembly and central diaphragm are fixed on the upper flange of upper cylinder assembly, or with stay bolt, upper cylinder assembly and central diaphragm are fixed on the lower flange of lower cylinder assembly, complete the assembling of the pump housing.It reduces assembling factor to the impact of compressor performance, and quality is guaranteed, 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 technique
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 passageway, and from number of spare 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 surge 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 matching gap 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, central diaphragm component, along with the progress of rotary compression machine technology, the narrow 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 working procedure, 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, compound 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 mass production requirement.For achieving the above object, technological 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 Offset 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, central diaphragm, lower rolling rotor and lower cylinder assembly is put into respectively in the adjacent side of upper rolling rotor, the relative position of adjustment lower cylinder assembly and upper cylinder assembly, make upper flange inwall circle concentric with lower flange inwall circle, then with stay bolt, lower cylinder assembly and central diaphragm are fixed on the upper flange of upper cylinder assembly, or with stay bolt, upper cylinder assembly and central diaphragm are fixed on the lower flange of lower cylinder assembly, complete 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, central diaphragm and lower flange are respectively arranged with positioning hole, use locating stud to locate it.
More preferably, the length of the described stay bolt in described step S300 is 38 ~ 56mm.
More preferably, the length of described lag bolt is 6 ~ 15mm.
More preferably, the measuring 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 narrow 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 pump housing sectional view 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 central diaphragms; 5 lower cylinders; 6 lower flanges; 7 stay bolts.
Embodiment
Clearly understand to make object of the present invention, technological 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. 4, 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, central diaphragm 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.
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 Offset 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: the assembling pump housing;
As shown in Figure 3, rolling rotor 11 and bent axle 1 is put in upper cylinder assembly, central diaphragm 4 is put into respectively in the adjacent downside of upper rolling rotor 11, lower rolling rotor 12 and lower cylinder assembly, the relative position of adjustment lower cylinder assembly and upper cylinder assembly, make upper flange 2 inwall circle concentric with lower flange 6 inwall circle, then with stay bolt 7, lower cylinder assembly and central diaphragm 4 are fixed on the upper flange 2 of upper cylinder assembly, or with stay bolt 7, upper cylinder assembly and central diaphragm 4 are fixed on the lower flange 6 of lower cylinder assembly, complete the assembling of the pump housing, the length of described stay bolt 7 is 38 ~ 56mm.
As a kind of embodiment, determine upper flange 2 and central diaphragm 4, lower flange 6 the concentric method of inwall circle for using self-alignment equipment or drive positioning hole respectively on upper flange 2, central diaphragm 4 and lower flange 6, use locating stud 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 central diaphragm 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 that assembly quality.
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.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 Offset 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;
Step 200 is specially: S210, determine upper rolling rotor gap delta 1, and 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: assembling lower cylinder and lower flange, measures the distance Y of inwall to lower flange heteropleural inwall of lower cylinder, calculates 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, is fixed on lower flange with lag bolt by lower cylinder, forms lower cylinder assembly;
Wherein, Xmax is the ultimate range of upper rolling rotor external diameter to bent axle major axis heteropleural external diameter, and Ymax is the ultimate range of lower rolling rotor external diameter to bent axle minor axis heteropleural external diameter;
S300, in upper cylinder assembly, put into rolling rotor and bent axle, central diaphragm, lower rolling rotor and lower cylinder assembly is put into respectively in the adjacent side of upper rolling rotor, the relative position of adjustment lower cylinder assembly and upper cylinder assembly, make upper flange inwall circle concentric with lower flange inwall circle, then with stay bolt, lower cylinder assembly and central diaphragm are fixed on the upper flange of upper cylinder assembly, or with stay bolt, upper cylinder assembly and central diaphragm are fixed on the lower flange of lower cylinder assembly, complete 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 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.
3. rotary double cylinder compressor pump body assembly method according to claim 1, is characterized in that:
Described upper flange, central diaphragm and lower flange are respectively arranged with positioning hole, use locating stud 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 is 38 ~ 56mm.
5. rotary double cylinder compressor pump body assembly method according to claim 1, 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:
Measuring 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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| CN201210196973.8A CN103486031B (en) | 2012-06-14 | 2012-06-14 | A kind of rotary double cylinder compressor pump body assembly method |
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| CN201210196973.8A CN103486031B (en) | 2012-06-14 | 2012-06-14 | A kind of rotary double cylinder compressor pump body assembly method |
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| CN103486031B true CN103486031B (en) | 2015-12-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109356851A (en) * | 2018-10-15 | 2019-02-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Positive displacement compressor and refrigeration equipment |
| CN110332114A (en) * | 2019-06-10 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor pump structure, assembly method and rotor compressor |
| CN112229101B (en) * | 2020-10-26 | 2022-08-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioning system |
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| JPS63297791A (en) * | 1987-05-29 | 1988-12-05 | Matsushita Electric Ind Co Ltd | Assembly method of rotating type sealed electric compressor with two cylinders |
| JPH03225097A (en) * | 1990-01-31 | 1991-10-04 | Sanyo Electric Co Ltd | Two-cylinder rotary compressor assembling method |
| CN1451864A (en) * | 2002-04-16 | 2003-10-29 | 上海日立电器有限公司 | Double-cylinder rotary compressor eccentrically assembling method |
| CN1796790A (en) * | 2004-12-22 | 2006-07-05 | 上海日立电器有限公司 | Method for assembling pump-body of compressor with revolving twin cylinder |
| CN1991178A (en) * | 2005-12-27 | 2007-07-04 | 三菱电机株式会社 | Double-cylinder rotary sealing type compressor and manufacturing method thereof |
| CN101397997A (en) * | 2008-10-24 | 2009-04-01 | 珠海格力电器股份有限公司 | Assembling method of rotary double cylinder compressor pump body |
| 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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2012
- 2012-06-14 CN CN201210196973.8A patent/CN103486031B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63297791A (en) * | 1987-05-29 | 1988-12-05 | Matsushita Electric Ind Co Ltd | Assembly method of rotating type sealed electric compressor with two cylinders |
| JPH03225097A (en) * | 1990-01-31 | 1991-10-04 | Sanyo Electric Co Ltd | Two-cylinder rotary compressor assembling method |
| CN1451864A (en) * | 2002-04-16 | 2003-10-29 | 上海日立电器有限公司 | Double-cylinder rotary compressor eccentrically assembling method |
| CN1796790A (en) * | 2004-12-22 | 2006-07-05 | 上海日立电器有限公司 | Method for assembling pump-body of compressor with revolving twin cylinder |
| CN1991178A (en) * | 2005-12-27 | 2007-07-04 | 三菱电机株式会社 | Double-cylinder rotary sealing type compressor and manufacturing method thereof |
| CN101598128A (en) * | 2005-12-27 | 2009-12-09 | 三菱电机株式会社 | The manufacture method of twin-tub rotation-type hermetic type compressor and twin-tub rotation-type hermetic type compressor |
| CN101397997A (en) * | 2008-10-24 | 2009-04-01 | 珠海格力电器股份有限公司 | Assembling method of rotary double cylinder compressor pump body |
| 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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