CN202690418U - Structure for connecting connection rod and crosshead of slush pump - Google Patents
Structure for connecting connection rod and crosshead of slush pump Download PDFInfo
- Publication number
- CN202690418U CN202690418U CN2012203183119U CN201220318311U CN202690418U CN 202690418 U CN202690418 U CN 202690418U CN 2012203183119 U CN2012203183119 U CN 2012203183119U CN 201220318311 U CN201220318311 U CN 201220318311U CN 202690418 U CN202690418 U CN 202690418U
- Authority
- CN
- China
- Prior art keywords
- crosshead
- connecting rod
- connection rod
- sliding sleeve
- slush pump
- 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 - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a structure for connecting a connection rod and a crosshead of a slush pump. The crosshead (3) and the connection rod (1) are connected through a crosshead pin shaft (5); the crosshead (3) is arranged in a sliding sleeve (2); and the part of the connection rod (1), which is connected with the crosshead pin shaft (5), is provided with a radial spherical plain bearing (6). The structure for connecting the connection rod and the crosshead of the slush pump is simple in structure and reliable in positioning; and the radial spherical plain bearing exerts the function of adjusting coaxiality, the eccentric wear of the connection rod on the crosshead pin shaft can be effectively reduced, and the eccentric wear of the crosshead on the sliding sleeve is reduced.
Description
Technical field
The utility model belongs to the oil-well drilling equipment technical field, relates to a kind of slurry pump connecting rod and crosshead connecting structure.
Background technique
Existing traditional slurry pump connecting rod and the crosshead Placement of slurry pump is that crosshead and connecting rod are linked together by the crosshead bearing pin, and crosshead is installed in the sliding sleeve.Microcephaly place and the crosshead pin of connecting rod is coupling tactile, and the two bearing connects.Connecting rod and crosshead pivot pin joint are provided with connecting rod small-end bearing.This Placement reliability of positioning is poor, be difficult to guarantee the form and position tolerances such as coaxality during assembling, and this connecting mode can't be realized the automatic deviation correction of this system's coaxality for being rigidly connected.Connecting rod and crosshead coaxality are poor, also cause connecting rod small-end bearing and crosshead bearing pin quick abrasion.Because connecting rod and crosshead decentraction easily cause the eccentric wear to sliding sleeve.
The model utility content
The purpose of this utility model provides a kind of slurry pump connecting rod and crosshead connecting structure, and it is poor to have solved in the prior art connecting rod and crosshead coaxality, easily causes the problem of connecting rod and crosshead bearing pin quick abrasion.
The technological scheme that the utility model adopts is, a kind of slurry pump connecting rod and crosshead connecting structure, crosshead is connected the crosshead bearing pin and is connected with connecting rod, crosshead is installed in the sliding sleeve, it is characterized in that: connecting rod and crosshead pivot pin joint are provided with plain radial bearing.
The beneficial effects of the utility model are that simple in structure, the location is reliable; Plain radial bearing plays the effect of adjusting coaxality; Reduced the eccentric wear of connecting rod to the crosshead bearing pin; Alleviated the eccentric wear of crosshead to sliding sleeve.
Description of drawings
Fig. 1 is the schematic representation of slurry pump connecting rod and crosshead connecting structure in the prior art.
Fig. 2 is that A-A among Fig. 1 is to view.
Fig. 3 is the schematic representation of the utility model slurry pump connecting rod and crosshead connecting structure.
Fig. 4 is that A-A among Fig. 2 is to view.
Wherein: the 1-connecting rod; The 2-sliding sleeve; The 3-crosshead; The 4-connecting rod small-end bearing; 5-crosshead bearing pin; The 6-plain radial bearing.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1 and Figure 2, in the prior art, the slurry pump connecting rod with crosshead connecting structure is: crosshead 3 is connected with connecting rod and is connected by crosshead bearing pin 5, and crosshead 3 is installed in the sliding sleeve 2, and connecting rod 1 is provided with connecting rod small-end bearing 4 with crosshead pivot pin 5 joints.This linkage structure can't realize the automatic deviation correction of this system's coaxality, and connecting rod 1 is poor with crosshead 3 coaxalitys, also causes connecting rod small-end bearing 4 and crosshead bearing pin 5 quick abrasions.Because connecting rod 1 and crosshead 3 decentraction easily cause the eccentric wear to sliding sleeve 2.
As shown in Figure 3, Figure 4, structure of the present utility model is: crosshead 3 is connected with connecting rod by 5 connections of crosshead bearing pin, and crosshead 3 is installed in the sliding sleeve 2, and connecting rod 1 is provided with plain radial bearing 6 with crosshead pivot pin 5 joints.The utility model device, make connecting rod in plain radial bearing, can carry out rotation fine setting in the several angle scope by plain radial bearing, realized to connecting rod and crosshead in course of working or the coaxiality error that forms in the assembling process carry out the purpose of automatic deviation correction.This linkage structure realizes the automatic deviation correction of this system's coaxality easily, and connecting rod 1 is good with crosshead 3 coaxalitys, can reduce the eccentric wear between connecting rod small-end bearing 4 and the crosshead bearing pin 5.Because connecting rod 1 and crosshead 3 good concentricity are not easy to cause the eccentric wear to sliding sleeve 2.
Claims (1)
1. a slurry pump connecting rod and crosshead connecting structure, crosshead (3) is connected 1 with connecting rod) connect by crosshead bearing pin (5), crosshead (3) is installed in the sliding sleeve (2), it is characterized in that: connecting rod (1) is provided with plain radial bearing (6) with crosshead pivot pin (5) joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203183119U CN202690418U (en) | 2012-07-04 | 2012-07-04 | Structure for connecting connection rod and crosshead of slush pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203183119U CN202690418U (en) | 2012-07-04 | 2012-07-04 | Structure for connecting connection rod and crosshead of slush pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690418U true CN202690418U (en) | 2013-01-23 |
Family
ID=47546044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203183119U Expired - Fee Related CN202690418U (en) | 2012-07-04 | 2012-07-04 | Structure for connecting connection rod and crosshead of slush pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202690418U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595176A (en) * | 2015-01-26 | 2015-05-06 | 宝鸡石油机械有限责任公司 | Flexible connection method for crosshead to piston of well drilling pump |
| CN111156163A (en) * | 2019-12-29 | 2020-05-15 | 陕西航天动力高科技股份有限公司 | Crosshead and crosshead sliding sleeve assembly for diaphragm pump |
-
2012
- 2012-07-04 CN CN2012203183119U patent/CN202690418U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595176A (en) * | 2015-01-26 | 2015-05-06 | 宝鸡石油机械有限责任公司 | Flexible connection method for crosshead to piston of well drilling pump |
| CN111156163A (en) * | 2019-12-29 | 2020-05-15 | 陕西航天动力高科技股份有限公司 | Crosshead and crosshead sliding sleeve assembly for diaphragm pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20150704 |
|
| EXPY | Termination of patent right or utility model |