CN202100443U - Three-corner four-pivot assembled crankshaft for three-cylinder reciprocating pump - Google Patents
Three-corner four-pivot assembled crankshaft for three-cylinder reciprocating pump Download PDFInfo
- Publication number
- CN202100443U CN202100443U CN2011201857199U CN201120185719U CN202100443U CN 202100443 U CN202100443 U CN 202100443U CN 2011201857199 U CN2011201857199 U CN 2011201857199U CN 201120185719 U CN201120185719 U CN 201120185719U CN 202100443 U CN202100443 U CN 202100443U
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- CN
- China
- Prior art keywords
- crank
- crankshaft
- bearing
- crank pin
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Reciprocating Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses a three-corner four-pivot assembled crankshaft for a three-cylinder reciprocating pump, which mainly comprises a pump body. Four bearing pedestals are uniformly arranged in the linear direction of the pump body; four crank blocks are arranged inside the bearing pedestal through a bearing; the adjacent crank blocks are connected through a crank pin; the crank pin is connected with a connecting rod through the bearing; and an input shaft is arranged on the crank block at one end of the pump body. Four support bearing pedestals are arranged on the same crankshaft through the combination of the crank block and the crank pin so that the stability of the crankshaft is increased; bending moment and alternating stress of the crank shaft can be reduced when the pump operates so that the rigidity of the crankshaft is increased; meanwhile, the operation stability of the pump body can be improved, and the service life of the crankshaft can be prolonged; moreover, the crank block and the crankshaft pin are in split design, so that the processing technique of the crankshaft can be simplified, the machining difficulty can be reduced, and the machining precision can be increased; in addition, the crankshaft pin is connected with the connecting rod through the bearing, so that the abrasion between the crankshaft pin and the connecting rod is reduced, the heating is reduced, and the service lives of the crankshaft and the pump are prolonged.
Description
Technical field
The utility model relates to reciprocating pump and uses bent axle, and especially a kind of three cylinder reciprocating pump turns four fulcrum combined bent axles with three.
Background technique
Reciprocating pump is a kind of very important fluid machinery, and it inhales, arranges medium by the inlet/outlet one-way valve.It is in the majority that the bent axle that adopts on the inherent three cylinder reciprocating pump of industry at present turns two fulcrum forms with three, and the bent axle of integrated type form needs special tooling when production and processing like this, and difficulty of processing is big; Complex process; Machining accuracy is difficult to control, and cost of production is high, and usability is poor.Can only connect through bearing shell when the while, this type bent axle was connected with connecting rod, form sliding friction between bearing shell and the bent axle, it is bigger when operation, to wear and tear, generate heat, and reduced the working life of bearing shell and bent axle.Owing to be to adopt the two ends fulcrum to support, the bent axle centre receives flexural stress and alternating stress is big, and bent axle is damaged easily, influences the normal use of reciprocating pump in addition.
The model utility content
The purpose of the utility model is to provide a kind of production technology simple for the deficiency that solves above-mentioned technology, and the better three cylinder reciprocating pump of using effect turns four fulcrum combined bent axles with three.
In order to achieve the above object; The three cylinder reciprocating pump that the utility model designed turns four fulcrum combined bent axles with three, and it mainly comprises body, crank pin, crank piece, on the axial direction of bent axle, evenly is provided with four bearing supports; Four crank pieces of bent axle are set through rolling bearing in bearing support; Connect through crank pin between the adjacent crank piece, crank pin is rotatably connected through rolling bearing and connecting rod, and the crank piece of body one end is provided with input shaft.This structure is decomposed into crank piece and crank pin with existing bent axle, and both separate machined reduce the processing technology difficulty, and the support with bent axle simultaneously is increased to four, reduces moment of flexure and alternating stress that bent axle receives, improves the working life of bent axle.
The crank piece at described body two ends is provided with a crank pin connection mouth; The both sides of middle two crank pieces are provided with a crank pin connection mouth; The crank pin connection mouth is eccentric to be provided with; Distance between the center of each crank pin connection mouth and the crank piece center is consistent, and three crank pieces mutual between angle be 120 °.Such structure can realize the balance between the bent axle, improves running stability, and it is more stable that reciprocating pump is used.
Described crank pin is connected with connecting rod through bearing, can reduce the friction between crank pin and the connecting rod, reduces wear and the generation of heat the working life of raising bent axle.
The resulting three cylinder reciprocating pump of the utility model turns four fulcrum combined bent axles with three; Combination through crank piece and crank pin; Four supporting bearing base are set on same bent axle, improve the stability of bent axle, when pump operation, can reduce moment of flexure and alternating stress that bent axle receives; Improve the rigidity of bent axle, reach and improve the pump operation stationarity and prolong the bent axle purpose in working life.The split of crank piece and crankpin simultaneously designs, and can simplify the processing technology of bent axle, reduces difficulty of processing, improves machining accuracy.Crankpin is connected with connecting rod through bearing in addition, has reduced friction and wear between the two, reduces heating, can prolong the maintenance period of bent axle, improves the working life of bent axle and pump, has also made things convenient for the installation and maintenance of bent axle simultaneously.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation.
Embodiment
Combine accompanying drawing that the utility model is done further to describe through embodiment below.
Embodiment 1:
As shown in Figure 1, the three cylinder reciprocating pump that present embodiment is described turns four fulcrum combined bent axles with three, and it mainly comprises body 1; On the rectilinear direction of body 1, evenly be provided with four bearing supports 2; Be provided with four crank pieces 3 in bearing support 2 inside through rolling bearing 8, connect through crank pin 4 between the adjacent crank piece 3, crank pin 4 is rotatably connected with connecting rod 6; The crank piece 3 of body 1 one ends is provided with input shaft 7; The crank piece 6 at described body 1 two ends is provided with a crank pin connection mouth 5, and the both sides of middle two crank pieces 3 are provided with a crank pin connection mouth 5, crank pin connection mouth 5 eccentric settings; Distance between the center of each crank pin connection mouth 5 and crank piece 3 centers is consistent, and angle was 120 ° between three crank pieces 3 were mutual.Described crank pin 4 is connected with connecting rod 6 through rolling bearing 8.
Claims (3)
1. a three cylinder reciprocating pump turns four fulcrum combined bent axles with three; It mainly comprises body; The rectilinear direction that it is characterized in that body is provided with four bearing supports, is provided with four crank pieces in bearing support inside through rolling bearing, connects through crank pin between the adjacent crank piece; Crank pin is connected with connecting rod, and the crank piece of body one end is provided with input shaft.
2. three cylinder reciprocating pump according to claim 1 turns four fulcrum combined bent axles with three; The crank piece that it is characterized in that the body two ends is provided with a crank pin connection mouth; The both sides of middle two crank pieces are provided with a crank pin connection mouth; The crank pin connection mouth is eccentric to be provided with, and the center of each crank pin connection mouth is consistent with distance between the crank piece center, and three crank pieces mutual between angle be 120 °.
3. three cylinder reciprocating pump according to claim 1 and 2 turns four fulcrum combined bent axles with three, it is characterized in that crank pin passes through bearing and is connected with connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201857199U CN202100443U (en) | 2011-06-03 | 2011-06-03 | Three-corner four-pivot assembled crankshaft for three-cylinder reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201857199U CN202100443U (en) | 2011-06-03 | 2011-06-03 | Three-corner four-pivot assembled crankshaft for three-cylinder reciprocating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100443U true CN202100443U (en) | 2012-01-04 |
Family
ID=45386458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201857199U Expired - Lifetime CN202100443U (en) | 2011-06-03 | 2011-06-03 | Three-corner four-pivot assembled crankshaft for three-cylinder reciprocating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207080A (en) * | 2011-06-03 | 2011-10-05 | 杭州佳湖科技有限公司 | Combined type crankshaft with three corners and four fulcrums for three-cylinder reciprocating pump |
-
2011
- 2011-06-03 CN CN2011201857199U patent/CN202100443U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207080A (en) * | 2011-06-03 | 2011-10-05 | 杭州佳湖科技有限公司 | Combined type crankshaft with three corners and four fulcrums for three-cylinder reciprocating pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO TONGLI PUMP INDUSTRY CO., LTD. Free format text: FORMER OWNER: HANGZHOU JIAHU SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310000 HANGZHOU, ZHEJIANG PROVINCE TO: 315199 NINGBO, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150424 Address after: 315199, No. 8, Song Dong Road, Yinzhou District, Zhejiang, Ningbo Patentee after: Ningbo is with Li Beng industry Co., Ltd Address before: 310000, Jianggan District, Zhejiang Province, nine Sheng Road, No. 9 Sijiqing R & D center, 25 West first floor, room 101-1, Hangzhou Patentee before: Hangzhou Jiahu Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
|
| CX01 | Expiry of patent term |