CN104141609A - Crankshaft and compressor with crankshaft - Google Patents
Crankshaft and compressor with crankshaft Download PDFInfo
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- CN104141609A CN104141609A CN201410393388.6A CN201410393388A CN104141609A CN 104141609 A CN104141609 A CN 104141609A CN 201410393388 A CN201410393388 A CN 201410393388A CN 104141609 A CN104141609 A CN 104141609A
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- bent axle
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Abstract
The invention provides a crankshaft and a compressor with the crankshaft. The crankshaft comprises a crankshaft body, and also comprises a first balance block and a second balance block, wherein an eccentric block is arranged on the crankshaft body; the first balance block is arranged at the first end of the crankshaft body; the second balance block is arranged at the second end of the crankshaft body; the eccentricity of the first balance block and the eccentricity of the second balance block are opposite to eccentricity of the eccentric block. According to the crankshaft and the compressor with the crankshaft, balance blocks do not need to be riveted, wind resistance of a rotor is reduced, the operating performance of the compressor is improved, and the production cost of the compressor is also reduced.
Description
Technical field
The present invention relates to bent axle technical field, more specifically, relate to a kind of bent axle and there is its compressor.
Background technique
Shown in Figure 1, at present adopt at the copper balance block structure 20 ' and 30 ' of rotor 40 ' upper riveted joint being arranged on bent axle 10 ' of air condition compressor makes compressor keep at work balance more, rivets the impact that the mode of equilibrium block riveted and have certain hidden danger in compressor operation.And present balance block structure 20 ' and 30 ' is all to protrude from rotor 40 ' end face, in rotary course, balance block structure 20 ' and 30 ' can produce certain windage loss, thereby has reduced the efficiency of motor.In addition, copper equilibrium block cost is high, has increased to a certain extent the cost of compressor.
Summary of the invention
The present invention aims to provide a kind of bent axle and has its compressor, to solve, the problem that equilibrium block potential safety hazard is high is set on rotor in prior art.
For solving the problems of the technologies described above, according to an aspect of the present invention, a kind of bent axle is provided, this bent axle comprises bent axle body, on bent axle body, is provided with eccentric mass, and bent axle also comprises the first equilibrium block and the second equilibrium block, wherein, the first equilibrium block is arranged on the first end of bent axle body, and the second equilibrium block is arranged on the second end of bent axle body, and the throw of eccentric of the throw of eccentric of the first equilibrium block and the second equilibrium block is all contrary with the throw of eccentric of eccentric mass.
Further, the first equilibrium block and the second equilibrium block are all wholely set with bent axle body.
Further, the first equilibrium block is arranged on the first end end face of bent axle body, and is positioned at the position of the center of gravity away from eccentric mass of first end end face;
The second equilibrium block is arranged on the second end end face of bent axle body, and is positioned at the position of the center of gravity away from eccentric mass of the second end end face.
Further, the outer edge of the first equilibrium block and the second equilibrium block is all concordant with the outward edge of bent axle body.
Further, the equal semicircular in shape column structure of the first equilibrium block and the second equilibrium block.
Further, the first equilibrium block, the second equilibrium block and eccentric mass meet following formula:
G(M3)*R3+G(M1)*R1+G(M2)*R2＝0；
G(M3)*R3*L4+G(M1)*R1*L5+G(M2)*R2*L3＝0；
Wherein, the weight that G (M3) is eccentric mass, the center of gravity that R3 is eccentric mass is to the distance of the central axis of bent axle body, and the center of gravity that L4 is eccentric mass is to the distance of X-axis; G (M1) is the weight of the first equilibrium block, and R1 is the distance that the center of gravity of the first equilibrium block arrives the central axis of bent axle body, and L5 is that the center of gravity of the first equilibrium block is to the distance of X-axis; G (M2) is the weight of the second equilibrium block, R2 be the center of gravity of the second equilibrium block to the distance of the central axis of bent axle body, L3 be the center of gravity of the second equilibrium block to the distance of X-axis, the straight line at X-axis place is perpendicular to the central axis of bent axle body.
According to another embodiment of the present invention, provide a kind of compressor, comprised bent axle and be arranged on the rotor on bent axle, bent axle is above-mentioned bent axle.
Apply technological scheme of the present invention, bent axle comprises bent axle body, on this bent axle body, is provided with eccentric mass.In order to realize the Self-balancing of bent axle, bent axle of the present invention also comprises the first equilibrium block and the second equilibrium block, this the first equilibrium block is arranged on the first end of bent axle body, the second equilibrium block is arranged on the second end of bent axle body, and the throw of eccentric of this first equilibrium block is all contrary with the throw of eccentric of eccentric mass with the throw of eccentric of the second equilibrium block.Because the throw of eccentric of the first equilibrium block and the second equilibrium block is all contrary with the throw of eccentric that the eccentric mass on bent axle body produces, in the time that bent axle of the present invention rotates, the throw of eccentric that the first equilibrium block and the second equilibrium block produce can be offset the throw of eccentric that eccentric mass produces, thereby makes bent axle keep homeostasis.After rotor is arranged on bent axle, in working procedure without rivet again equilibrium block on rotor, thereby reduced the potential safety hazard in rotor and bent axle assembling using process.Meanwhile, because the first equilibrium block is arranged on bent axle body, when work, the centrifugal force that the first equilibrium block is subject to is less, and stability is high, has further reduced potential safety hazard.
Brief description of the drawings
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Plan view when Fig. 1 has schematically shown existing compressor drum and is arranged on bent axle;
The plan view when rotor that Fig. 2 has schematically shown compressor is arranged on bent axle of the present invention;
Fig. 3 has schematically shown the plan view of bent axle of the present invention;
Fig. 4 has schematically shown the left view of bent axle of the present invention; And
Fig. 5 has schematically shown the plan view of bent axle of the present invention.
Description of reference numerals: 10, bent axle body; 11, eccentric mass; 20, the first equilibrium block; 30, the second equilibrium block; 40, rotor; 50, aluminium ring.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
In conjunction with shown in Fig. 2 to Fig. 5, according to embodiments of the invention, provide a kind of bent axle.This bent axle comprises bent axle body 10, on this bent axle body 10, is provided with eccentric mass 11.In order to realize the Self-balancing of bent axle, the bent axle of the present embodiment also comprises the first equilibrium block 20 and the second equilibrium block 30, wherein, the first equilibrium block 20 is arranged on the first end of bent axle body 10, the second equilibrium block 30 is arranged on the second end of bent axle body 10, and the throw of eccentric of the throw of eccentric of the first equilibrium block 20 and the second equilibrium block 30 is all contrary with the throw of eccentric of eccentric mass 11.Due to the throw of eccentric of the first equilibrium block 20 and the throw of eccentric of the second equilibrium block 30 all with bent axle body 10 on the throw of eccentric that produces of eccentric mass 11 contrary, in the time that the bent axle of the present embodiment rotates, the throw of eccentric that the first equilibrium block 20 and the second equilibrium block 30 produce can be offset the throw of eccentric that eccentric mass 11 produces, thereby makes bent axle keep homeostasis.After rotor 40 is arranged on bent axle, in working procedure, without riveting equilibrium block again on rotor 40, assemble the potential safety hazard in using process thereby reduced rotor 40 with bent axle.Meanwhile, because the first equilibrium block 20 is arranged on bent axle body 10, when work, the centrifugal force that the first equilibrium block 20 is subject to is less, and stability is high, has further reduced potential safety hazard.In the present embodiment, the two ends up and down of rotor 40 are also provided with aluminium ring 50, improve the inertia in rotor 40 rotation processes, reduce the energy consumption of bent axle.
When also arranging after the second equilibrium block 30 at the second end of bent axle body 10, in order to ensure the balance of whole bent axle, in the present embodiment, the throw of eccentric sum of the throw of eccentric of the first equilibrium block 20 and the second equilibrium block 30 equals the throw of eccentric of eccentric mass 11, after the throw of eccentric of the throw of eccentric of the first equilibrium block 20 and the second equilibrium block 30, equal the throw of eccentric of eccentric mass 11, can realize exactly the homeostasis function of whole bent axle.
Preferably, the first equilibrium block 20 and the second equilibrium block 30 are all wholely set with bent axle body 10, can effectively ensure the stability of bent axle in High Rotation Speed process, prevent that the first equilibrium block 20 and the second equilibrium block 30 are subject to the effect of centrifugal force and cause potential safety hazard at crankshaft high-speed rotary course.
In order to save the manufacturing cost of bent axle, the first equilibrium block 20 in the present embodiment is arranged on the first end end face of bent axle body 10, and be positioned at the position of the center of gravity away from eccentric mass 11 of the first end end face of bent axle body 10, in the situation that material is constant, only need to use the first less equilibrium block 20 just can produce larger throw of eccentric to offset the throw of eccentric of eccentric mass 11, cost-saving.Similarly, the second equilibrium block 30 is arranged on the second end end face of bent axle body 10, and is positioned at the position of the center of gravity away from eccentric mass 11 of the second end end face of bent axle body 10.
In actual use, meeting sheathed other structures on bent axle, therefore, in the present embodiment, the outward edge of the outward edge of the first equilibrium block 20 and the second equilibrium block 30 is all concordant with the outward edge of bent axle body 10, can also ensure that other structures are arranged on the smoothness of the process disassembling on bent axle or from this bent axle cost-saving time.
Preferably, the first equilibrium block 20 and the equal semicircular in shape column structure of the second equilibrium block 30, simple in structure, be easy to processing.In using process, the setting of the semicircular pillar structure of the first equilibrium block 20 and the second equilibrium block 30 can also be used as the characteristic of axle, other structures can be arranged on the first equilibrium block 20 and the second equilibrium block 30.In other embodiments of the invention, the shape of the first equilibrium block 20 and the second equilibrium block 30 can also be flat column, cylindric or other irregular shapes, as long as the throw of eccentric that the first equilibrium block 20 and the second equilibrium block 30 produce can be offset the throw of eccentric of eccentric mass 11.
Refer again to shown in Fig. 3, represent the first equilibrium block 20 with M1, represent the second equilibrium block 30 with M2, represent eccentric mass 11 with M3, L1 is the main equilibrium block length of bent axle, and L2 is the secondary equilibrium block length of bent axle, L3 is that the center of gravity G1 of M1 is to bent axle X-axis linear distance, L4 WeiM3 center G3 is to X-axis linear distance, and the center of gravity G2 that L5 is M2 is to X-axis linear distance, and R1, R2, R3 are respectively the center of gravity of M1, M2, M3 to the distance of the central axis of bent axle.
Can realize absolute Self-balancing in order to make whole bent axle, bent axle need meet following relation (1) T (M3)+T (M2)+T (M1)=0, i.e. G (M3) * R3+G (M1) * R1+G (M2) * R2=0; (2) T (M3) * L4+T (M2) * L5+T (M1) * L3=0, i.e. G (M3) * R3*L4+G (M1) * R1*L5+G (M2) * R2*L3=0.Wherein, G (M3) is the weight of eccentric mass 11, and R3 is the distance that the center of gravity of eccentric mass 11 arrives the central axis of bent axle body 10, and L4 is that the center of gravity of eccentric mass 11 is to the distance of X-axis; G (M1) is the weight of the first equilibrium block 20, and R1 is the distance that the center of gravity of the first equilibrium block 20 arrives the central axis of bent axle body 10, and L5 is that the center of gravity of the first equilibrium block 20 is to the distance of X-axis; G (M2) is the weight of the second equilibrium block 30, R2 is that the center of gravity of the second equilibrium block 30 is to the distance of the central axis of bent axle body 10, L3 be the center of gravity of the second equilibrium block 30 to the distance of X-axis, the straight line at X-axis place is perpendicular to the central axis of bent axle body 10.It should be noted that, in other embodiments of the invention, X-axis can also be chosen in other positions in space, bent axle place.According to formula above, can know in conjunction with the knowledge of mechanics, need only the formula that the first equilibrium block 20, the second equilibrium block 30 and eccentric mass 11 meet above, just can realize the Self-balancing of bent axle.
In actual design process, the length L 1 of the first equilibrium block 20 and the length L 2 of the second equilibrium block 30 can arrange according to different demands, once R1, R2 and R3 are fixing after bent axle is selected, as long as choose suitable G (M1) and G (M2), the length of L1 and L2 just can be determined.
According to another embodiment of the present invention, provide a kind of compressor, this compressor comprises bent axle and be arranged on the rotor 40 on bent axle, and this bent axle is above-mentioned bent axle.
Can know according to the above embodiments, bent axle of the present invention and the compressor with it does not need to rivet equilibrium block again, have reduced the windage of rotor, improve the ride quality of compressor, have reduced the cost of production of compressor simultaneously.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a bent axle, it is characterized in that, comprise bent axle body (10), on described bent axle body (10), be provided with eccentric mass (11), described bent axle also comprises the first equilibrium block (20) and the second equilibrium block (30), wherein, described the first equilibrium block (20) is arranged on the first end of described bent axle body (10), described the second equilibrium block (30) is arranged on the second end of described bent axle body (10), and the throw of eccentric of the throw of eccentric of described the first equilibrium block (20) and described the second equilibrium block (30) is all contrary with the throw of eccentric of described eccentric mass (11).
2. bent axle according to claim 1, is characterized in that, described the first equilibrium block (20) is all wholely set with described bent axle body (10) with described the second equilibrium block (30).
3. bent axle according to claim 1, it is characterized in that, described the first equilibrium block (20) is arranged on the first end end face of described bent axle body (10), and is positioned at the position of the center of gravity away from described eccentric mass (11) of described first end end face;
Described the second equilibrium block (30) is arranged on the second end end face of described bent axle body (10), and is positioned at the position of the center of gravity away from described eccentric mass (11) of described the second end end face.
4. bent axle according to claim 1, is characterized in that, the outer edge of described the first equilibrium block (20) and described the second equilibrium block (30) is all concordant with the outward edge of described bent axle body (10).
5. bent axle according to claim 1, is characterized in that, described the first equilibrium block (20) and described the second equilibrium block (30) be semicircular in shape column structure all.
6. according to the bent axle described in any one in claim 1 to 5, it is characterized in that, described the first equilibrium block (20), described the second equilibrium block (30) and described eccentric mass (11) meet following formula:
G(M3)*R3+G(M1)*R1+G(M2)*R2＝0；
G(M3)*R3*L4+G(M1)*R1*L5+G(M2)*R2*L3＝0；
Wherein, G (M3) is the weight of described eccentric mass (11), R3 is the distance that the center of gravity of described eccentric mass (11) arrives the central axis of described bent axle body (10), and L4 is that the center of gravity of described eccentric mass (11) is to the distance of X-axis; G (M1) is the weight of described the first equilibrium block (20), R1 is the distance that the center of gravity of described the first equilibrium block (20) arrives the central axis of described bent axle body (10), and L5 is that the center of gravity of described the first equilibrium block (20) is to the distance of X-axis; G (M2) is the weight of described the second equilibrium block (30), R2 is that the center of gravity of described the second equilibrium block (30) is to the distance of the central axis of described bent axle body (10), L3 be the center of gravity of described the second equilibrium block (30) to the distance of X-axis, the straight line at X-axis place is perpendicular to the central axis of described bent axle body (10).
7. a compressor, comprises bent axle and is arranged on the rotor (40) on described bent axle, it is characterized in that, described bent axle is the bent axle described in any one in claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393388.6A CN104141609A (en) | 2014-08-11 | 2014-08-11 | Crankshaft and compressor with crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393388.6A CN104141609A (en) | 2014-08-11 | 2014-08-11 | Crankshaft and compressor with crankshaft |
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| Publication Number | Publication Date |
|---|---|
| CN104141609A true CN104141609A (en) | 2014-11-12 |
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ID=51850893
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410393388.6A Pending CN104141609A (en) | 2014-08-11 | 2014-08-11 | Crankshaft and compressor with crankshaft |
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| Country | Link |
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| CN (1) | CN104141609A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090037A (en) * | 2015-08-18 | 2015-11-25 | 郑州凌达压缩机有限公司 | Crankshaft structure and compressor with same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009024651A (en) * | 2007-07-23 | 2009-02-05 | Panasonic Corp | Hermetic rotary compressor and its manufacturing method |
| CN202091145U (en) * | 2011-05-18 | 2011-12-28 | 加西贝拉压缩机有限公司 | Crankshaft counterweight structure for controlling lubricating oil splash used in refrigeration compressor |
| DE102010034289A1 (en) * | 2010-08-13 | 2012-02-16 | Schaeffler Technologies Gmbh & Co. Kg | Unbalance shaft and method for its production |
| CN202370788U (en) * | 2011-12-29 | 2012-08-08 | 青岛宝兰格制冷有限公司 | Compressor with novel crankshaft |
| CN203500011U (en) * | 2013-07-31 | 2014-03-26 | 广东美芝制冷设备有限公司 | Crankshaft component for rotary compressor |
| CN203670434U (en) * | 2013-12-25 | 2014-06-25 | 珠海凌达压缩机有限公司 | Compressor crankshaft and roller compressor with same |
| CN203717350U (en) * | 2013-11-06 | 2014-07-16 | 广东美芝制冷设备有限公司 | Crankshaft component for rotary compressor |
| CN204140414U (en) * | 2014-08-11 | 2015-02-04 | 珠海凌达压缩机有限公司 | Bent axle and there is its compressor |
-
2014
- 2014-08-11 CN CN201410393388.6A patent/CN104141609A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009024651A (en) * | 2007-07-23 | 2009-02-05 | Panasonic Corp | Hermetic rotary compressor and its manufacturing method |
| DE102010034289A1 (en) * | 2010-08-13 | 2012-02-16 | Schaeffler Technologies Gmbh & Co. Kg | Unbalance shaft and method for its production |
| CN202091145U (en) * | 2011-05-18 | 2011-12-28 | 加西贝拉压缩机有限公司 | Crankshaft counterweight structure for controlling lubricating oil splash used in refrigeration compressor |
| CN202370788U (en) * | 2011-12-29 | 2012-08-08 | 青岛宝兰格制冷有限公司 | Compressor with novel crankshaft |
| CN203500011U (en) * | 2013-07-31 | 2014-03-26 | 广东美芝制冷设备有限公司 | Crankshaft component for rotary compressor |
| CN203717350U (en) * | 2013-11-06 | 2014-07-16 | 广东美芝制冷设备有限公司 | Crankshaft component for rotary compressor |
| CN203670434U (en) * | 2013-12-25 | 2014-06-25 | 珠海凌达压缩机有限公司 | Compressor crankshaft and roller compressor with same |
| CN204140414U (en) * | 2014-08-11 | 2015-02-04 | 珠海凌达压缩机有限公司 | Bent axle and there is its compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090037A (en) * | 2015-08-18 | 2015-11-25 | 郑州凌达压缩机有限公司 | Crankshaft structure and compressor with same |
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Application publication date: 20141112 |
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| RJ01 | Rejection of invention patent application after publication |