CN103486031A - Rotary double-cylinder compressor pump body assembling method - Google Patents
Rotary double-cylinder compressor pump body assembling method Download PDFInfo
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- CN103486031A CN103486031A CN201210196973.8A CN201210196973A CN103486031A CN 103486031 A CN103486031 A CN 103486031A CN 201210196973 A CN201210196973 A CN 201210196973A CN 103486031 A CN103486031 A CN 103486031A
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Abstract
The invention provides a rotary double-cylinder compressor pump body assembling method. The method comprises the following steps: S100, respectively measuring offsets of an upper rolling rotor and a lower rolling rotor on a crankshaft; S200, respectively assembling an upper cylinder assembly and a lower cylinder assembly, wherein the upper cylinder assembly comprises an upper flange and an upper cylinder, and the lower cylinder assembly comprises a lower flange and a lower cylinder; and S300, putting the upper rolling rotor and the crankshaft in the upper cylinder assembly, respectively putting a middle partition plate, the lower rolling rotor and the lower cylinder assembly at an adjacent side of the upper rolling rotor, adjusting the relative position of the lower cylinder assembly to the upper cylinder assembly to make the inner wall circle of the upper flange concentric with the inner wall circle of the lower flange, and fixing the lower cylinder assembly and the middle partition plate on the upper flange of the upper cylinder assembly through a long bolt, or fixing the upper cylinder assembly and the middle partition plate on the lower flange of the lower cylinder assembly through the long bolt to complete the pump body assembling. The method reduces the influences of assembling factors on performances of a compressor, guarantees the quality, and adapts to mass production requirements.
Description
Technical field
The present invention relates to the 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 Consumer is more and more higher to the requirement of air-conditioning system, rotary compressor does not need to be converted into rotatablely moving reciprocating movement conversion mechanism because of it, so the parts of rotary compressor are few, few easy workout part particularly, volume is little, lightweight, vibrate little, operation relatively steadily and energy consumption low, thereby be applied in air-conditioning system more and more widely.
Quantity according to 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 angles, each compression chamber has air-breathing, exhaust passageway separately, 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, so its vibration and noise are greatly improved, but also there are some shortcomings at present in it, because matching gap increases, leak also and increase, therefore can negative impact be arranged to performance, many than the single cylinder system complex due to the assembling of duplex cylinder compressor simultaneously, pump housing assembling wherein is exactly the technology of a more difficult grasp.
For rotary double cylinder compressor, in existing pump housing assembly method, generally the compressor pump component such as cylinder head, central diaphragm are bolted on cylinder, along with the progress of rotary compressor technology, the narrow limitation of existing pump housing assembly method highlights day by day.
On the one hand, development along with the rotary double cylinder compressor high efficiency, the cylinder flattening more and more is subject to designer's favor, but, because the cylinder height reduces, the effective length be threaded shortens, cause the fastening torque of bolt of pump housing assembling to reduce, make compressor in assembling, transportation or working procedure, the pump housing is under the impact of motive power, and part produces displacement, the Pump Body Parts gap changes, and affects compressor performance and reliability.
On the other hand, development along with double-cylinder variable-capacity compressor, compound compressor, the cylinder of compressor need to be born more function, can design more position, hole on cylinder wall, the position, hole of these increases makes the cylinder wall strength decreased, 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 the 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:
S100, measure rolling rotor and the Offset of lower rolling rotor on bent axle respectively;
S200, assemble upper cylinder assembly and lower cylinder assembly respectively, wherein the upper cylinder assembly comprises upper flange and upper cylinder, and the lower cylinder assembly comprises lower flange and lower cylinder;
S300, put into rolling rotor and bent axle in the upper cylinder assembly, put into respectively central diaphragm, lower rolling rotor and lower cylinder assembly in the adjacent side of upper rolling rotor, adjust the relative position of 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:
By upper rolling rotor and lower rolling rotor, be arranged on respectively on bent axle, in measurement, the rolling rotor external diameter is to the ultimate range Xmax of bent axle major axis heteropleural external diameter, then measure the ultimate range Ymax of lower rolling rotor external diameter to bent axle minor axis heteropleural external diameter, finally take off respectively rolling rotor and lower rolling rotor;
More preferably, described step 200 is specially:
S210, definite upper rolling rotor gap delta 1, this step comprises: assembling upper cylinder and upper flange, measure the distance X of the inwall of upper cylinder to upper flange heteropleural inwall, calculate the rolling rotor gap:
δ1=X-Xmax
The δ 1 calculated of take is basis, adjusts the relative position of upper cylinder and upper flange, when δ 1 reaches in specified scope, with lag bolt, upper cylinder is fixed on upper flange, forms the upper cylinder assembly;
S220, determine lower rolling rotor gap delta 2, this step comprises: group lower cylinder and lower flange, the inwall of measuring lower cylinder to lower flange heteropleural inwall apart from Y, rolling rotor gap under calculating:
δ2=Y-Ymax
The δ 2 calculated of take is basis, adjusts the relative position of lower cylinder lower flange, when δ 2 reaches in specified scope, with lag bolt, lower cylinder is fixed on lower flange, forms the lower cylinder assembly.
More preferably, on described upper flange, central diaphragm and lower flange, be 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 that existing double cylinder compressor pump body assembly method exists, reduce the impact of assembling factor on compressor performance, make the double cylinder compressor pump body quality of production guaranteed, and can meet the needs of producing in enormous quantities.
The accompanying drawing explanation
Fig. 1 is the rolling rotor of the rotary type compressor pump body provided therewith of employing rotary double cylinder compressor pump body assembly method of the present invention and the sectional view of crankshaft group;
Fig. 2 is the upper cylinder assembly sectional view of the rotary type compressor pump body provided therewith of employing rotary double cylinder compressor pump body assembly method of the present invention;
Fig. 3 is the lower cylinder assembly sectional view of the rotary type compressor pump body provided therewith of employing rotary double cylinder compressor pump body assembly method of the present invention;
Fig. 4 is the pump housing sectional view of the rotary compressor of employing 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
In order to make purpose of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, take the air conditioner rotary double cylinder compressor pump body as example, rotary double cylinder compressor pump body assembly method of the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, be not intended to limit the present invention described rotary double cylinder compressor pump body assembly method and use the pump housing of rotary double cylinder compressor for air conditioner.
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 respectively upper rolling rotor 11 and the Offset of lower rolling rotor 12 on bent axle;
As shown in Figure 1, upper rolling rotor 11 and lower rolling rotor 12 are arranged on respectively on bent axle 1, the top long end of bent axle 1 is partly bent axle 1 major axis, the bottom short end of bent axle 1 is partly bent axle 1 minor axis, measure the ultimate range Xmax of upper rolling rotor 11 external diameters 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 diameters to bent axle 1 minor axis heteropleural external diameter; Write down measured value, finally take off respectively rolling rotor 11 and lower rolling rotor 12.
Second step: assemble respectively upper cylinder assembly and lower cylinder assembly, wherein the upper cylinder assembly comprises upper flange 2 and upper cylinder 3, and the 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 distance X of the inwall of upper cylinder 3 to upper flange 2 heteropleural inwalls with electric micrometer or air gauge, calculates rolling rotor 11 gaps:
δ1=X-Xmax
The δ 1 calculated of take is basis, adjusts the relative position of upper cylinder 3 and upper flange 2, when δ 1 reaches in specified scope, with lag bolt 31, upper cylinder is fixed on upper flange, forms the upper cylinder assembly, and the length of described lag bolt 31 is 6～15mm;
As shown in Figure 3, assembling lower cylinder 5 and lower flange 6, the inwall of measuring lower cylinder 5 with electric micrometer or air gauge to lower flange 6 heteropleural inwalls apart from Y, calculate the rolling rotor gap:
δ2=Y-Ymax
The δ 2 calculated of take is basis, adjusts the relative position of lower cylinder lower flange, when δ 2 reaches in specified scope, with lag bolt 31, lower cylinder 5 is fixed on lower flange 6, forms the lower cylinder assembly, and the length of described lag bolt 31 is 6～15mm.
The 3rd step: the assembling pump housing;
As shown in Figure 3, put into rolling rotor 11 and bent axle 1 in the upper cylinder assembly, adjacent downside at upper rolling rotor 11 is put into respectively central diaphragm 4, lower rolling rotor 12 and lower cylinder assembly, adjust the relative position of lower cylinder assembly and upper cylinder assembly, make upper flange 2 inwall circles concentric with lower flange 6 inwall circles, 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 that the concentric method of inwall circle of upper flange 2 and central diaphragm 4, lower flange 6 is use self-alignment equipment or drive respectively positioning hole on upper flange 2, central diaphragm 4 and lower flange 6, use locating stud to position the 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, owing to being threaded, be fixed on upper flange, lower flange and central diaphragm, make the cylinder height of compressor not limited by pump housing assembly technology, be conducive to cylinder flattening design, be conducive to improve the compressor efficiency; Cylinder deformation is little, and the fretting wear while having reduced compressor operating between Pump Body Parts improves compressor efficiency and reliability; Cylinder for height 5～14mm, adopt this assembling scheme, can effectively improve the reliability be threaded, and guaranteed assembly quality.
The above embodiment has only expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but can not therefore 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 (8)
1. a rotary double cylinder compressor pump body assembly method, is characterized in that, the method comprises the following steps:
S100, measure rolling rotor and the Offset of lower rolling rotor on bent axle respectively;
S200, assemble upper cylinder assembly and lower cylinder assembly respectively, wherein the upper cylinder assembly comprises upper flange and upper cylinder, and the lower cylinder assembly comprises lower flange and lower cylinder;
S300, put into rolling rotor and bent axle in the upper cylinder assembly, put into respectively central diaphragm, lower rolling rotor and lower cylinder assembly in the adjacent side of upper rolling rotor, adjust the relative position of 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:
By upper rolling rotor and lower rolling rotor, be arranged on respectively on bent axle, in measurement, the rolling rotor external diameter is to the ultimate range Xmax of bent axle major axis heteropleural external diameter, then measure the ultimate range Ymax of lower rolling rotor external diameter to bent axle minor axis heteropleural external diameter, finally take off respectively rolling rotor and lower rolling rotor.
3. rotary double cylinder compressor pump body assembly method according to claim 2, is characterized in that, described step 200 is specially:
S210, definite upper rolling rotor gap delta 1, this step comprises: assembling upper cylinder and upper flange, measure the distance X of the inwall of upper cylinder to upper flange heteropleural inwall, calculate the rolling rotor gap:
δ1=X-Xmax
The δ 1 calculated of take is basis, adjusts the relative position of upper cylinder and upper flange, when δ 1 reaches in specified scope, with lag bolt, upper cylinder is fixed on upper flange, forms the upper cylinder assembly;
S220, determine lower rolling rotor gap delta 2, this step comprises: group lower cylinder and lower flange, the inwall of measuring lower cylinder to lower flange heteropleural inwall apart from Y, rolling rotor gap under calculating:
δ2=Y-Ymax
The δ 2 calculated of take is basis, adjusts the relative position of lower cylinder lower flange, when δ 2 reaches in specified scope, with lag bolt, lower cylinder is fixed on lower flange, forms the lower cylinder assembly.
4. rotary double cylinder compressor pump body assembly method according to claim 1 is characterized in that:
Be respectively arranged with positioning hole on described upper flange, central diaphragm and lower flange, use locating stud to locate it.
5. 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.
6. rotary double cylinder compressor pump body assembly method according to claim 3 is characterized in that:
The length of described lag bolt is 6～15mm.
7. according to the described rotary double cylinder compressor pump body assembly method of claims 1 to 3 any one, it is characterized in that:
Measuring tool in described step S100 or described step S200 is electric micrometer or air gauge.
8. according to the described rotary double cylinder compressor pump body assembly method of claim 1 to 6 any one, it is characterized in that:
The height of described upper cylinder and described lower cylinder is 5～14mm.
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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 CN103486031B (en) | 2015-12-16 |
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Cited By (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 |
| CN112229101A (en) * | 2020-10-26 | 2021-01-15 | 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109356851B (en) * | 2018-10-15 | 2024-06-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable capacity 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 |
| CN112229101A (en) * | 2020-10-26 | 2021-01-15 | 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 |
| 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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