CN202579179U - Universal joint connecting rod assembly of screw pump - Google Patents
Universal joint connecting rod assembly of screw pump Download PDFInfo
- Publication number
- CN202579179U CN202579179U CN 201220192316 CN201220192316U CN202579179U CN 202579179 U CN202579179 U CN 202579179U CN 201220192316 CN201220192316 CN 201220192316 CN 201220192316 U CN201220192316 U CN 201220192316U CN 202579179 U CN202579179 U CN 202579179U
- Authority
- CN
- China
- Prior art keywords
- universal joint
- connecting rod
- hole
- screw pump
- rod assembly
- 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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Abstract
The utility model provides a universal joint connecting rod assembly of a screw pump. The universal joint connecting rod assembly comprises a connecting rod body, wherein two ends of the rod body are respectively provided with connectors connected with a screw pump universal pump and a transmission shaft component; the connectors are provided with connecting through holes which are perpendicular to the axial line of the connecting rod body and are fixedly connected with the screw pump universal joint and the transmission shaft component through transmission pins penetrating through the connecting through holes; and an abrasion bearing piece for preventing the corresponding transmission pin from being directly frictionized with the inner side wall of the connecting through hole of at least one connector is arranged in the connecting through hole of the connector. By the universal joint connecting rod assembly, the abrasion bearing pieces for separating the transmission pins from the inner side walls of the connecting through holes are detachably arranged in the connecting through holes, so that a phenomenon that the connecting rod and the transmission pins are damaged at the same time because of direction friction between the transmission pins and the inner side walls of the connecting through holes can be avoided; when the universal joint connecting rod assembly is repaired, only the transmission pins and the abrasion bearing pieces are required to be replaced; therefore, the repair time is greatly saved, the repair working procedure is simplified, and the service life of the connecting rod is effectively prolonged; and the repair and maintenance costs are effectively reduced.
Description
Technical field
The utility model relates to a kind of screw pump accessory, relates in particular to a kind of screw pump universal joint connecting rod.
Background technique
Screw pump is to rely on the pump housing and the formed engagement spatial volume variation of screw rod and move the rotary pump of carrying liquid or making it supercharging, and the required power of the screw rod rotation of screw pump is transmitted through universal joint and connecting rod by motor bearings.
The connecting rod of existing technology comprises connecting extension bar body and the joint that is arranged at two ends that joint is provided with the connecting through hole perpendicular to the axis of connecting-rod body, connecting rod through one pass connecting through hole driving pin be fixedly connected with the joints sleeve of universal joint; Such structure, connecting rod be around the joints sleeve sliding friction of universal joint, thereby transmit the required axial force of screw pump work and radially; Yet the direct and driving pin contact friction of the madial wall of connecting through hole causes the wearing and tearing of connecting rod and driving pin; Need change connecting rod and driving pin simultaneously during repairing, cause high equipment repair expense, and; Need the parts of dismounting many, make that the repairing process is slow, delay the duration.
Therefore, need to propose a kind of novel screw pump universal joint connecting rod assembly, can effectively avoid driving pin and connecting through hole madial wall direct friction to cause connecting rod and driving pin to suffer damage simultaneously; Simplify and repair operation; Simple in structure, be easy to make, with low cost.
The model utility content
In view of this, originally be a kind of screw pump universal joint connecting rod assembly that model utility provides, can effectively avoid driving pin and connecting through hole madial wall direct friction to cause connecting rod and driving pin to suffer damage simultaneously; Simplify and repair operation; Simple in structure, be easy to make, with low cost.
A kind of screw pump universal joint connecting rod assembly that the utility model provides comprises connecting-rod body and the connecting head that is used for connecting screw rod pump universal joint and drive shaft assembly that is arranged at the connecting-rod body two ends; Said connecting head is provided with the connecting through hole perpendicular to said connecting-rod body axis, and said connecting head is fixedly connected with said screw pump universal joint and drive shaft assembly through the driving pin that passes connecting through hole; Be provided with in the connecting through hole of at least one connecting head and be used to prevent that driving pin directly holds mill spare with the connecting through hole madial wall rubs;
Further, the said mill part that holds is the ring bush of fitting shape with said connecting through hole madial wall;
Further, the said detachable madial wall that is fixedly set in said connecting through hole of mill part that holds;
Further, the connecting through hole that is positioned at the connecting head at connecting-rod body two ends is provided with and holds mill spare;
Further, said ring bush is the macromolecular material of high-strength wearable property;
Further, said connecting head is spherical connecting head;
Further, said connecting head and connecting-rod body are integral structure.
The beneficial effect of the utility model: the utility model is employed in the connecting through hole of connecting rod joint detachable being provided with and holds mill spare; Can the madial wall of driving pin and connecting through hole be kept apart; Avoid the madial wall direct friction of driving pin and connecting through hole and cause connecting rod and driving pin to suffer damage simultaneously, in the time of need repairing, only need to change driving pin and hold the mill part to get final product; Save the repairing time greatly; Simplify and repair operation, effectively prolong the working life of connecting rod, make that repairing maintenance cost effectively reduces; And the utility model is simple in structure, and is easily manufactured, with low cost, practical.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Fig. 1 is the structural representation of the utility model.
Embodiment
Fig. 1 is the structural representation of the utility model; As shown in the figure; A kind of screw pump universal joint connecting rod assembly that the utility model provides comprises connecting-rod body 1 and the connecting head 2 that is used for connecting screw rod pump universal joint 5 and transmission shaft component 6 that is arranged at connecting-rod body 1 two ends; Said connecting head 2 is provided with the connecting through hole 3 perpendicular to said connecting-rod body 1 axis, and said connecting head 2 is fixedly connected with transmission shaft component 6 with said screw pump universal joint 5 through the driving pin 7 that passes connecting through hole 3; Be provided with in the connecting through hole 3 of at least one connecting head 2 and be used to prevent that driving pin 7 from directly grinding part 4 with holding of connecting through hole 3 madial walls friction; The utility model is employed in the connecting through hole 3 of connecting head 2 detachable being provided with and holds mill part 4, can the madial wall of driving pin 7 and connecting through hole 3 be kept apart, and avoids driving pin 7 to cause connecting rod and driving pin 7 to suffer damage simultaneously with the madial wall direct friction of connecting through hole 3; When needing to repair; Only need to change driving pin 7 and hold mill part 4 to get final product, save the repairing time greatly, simplify and repair operation; Effectively prolong the working life of connecting rod, make that repairing maintenance cost effectively reduces; And the utility model is simple in structure, and is easily manufactured, with low cost, practical.
In the present embodiment, the said mill part 4 that holds is the ring bush of fitting shape with said connecting through hole 3 madial walls; Hold mill part 4 and connecting through hole 3 madial walls fit shape be meant hold mill part 4 can with the madial wall good fit of connecting through hole 3, make and hold the madial wall that mill part 4 can cover connecting through hole 3 fully; Adopt ring bush, the driving pin 7 and the madial wall of connecting through hole 3 are kept apart, avoid taking place direct contact friction; The said mill part 4 detachable madial walls that are fixedly set in said connecting through hole 3 that hold, the connecting through hole 3 that is positioned at the connecting head at connecting-rod body 1 two ends is provided with and holds mill part 4; Be convenient for changing and hold mill spare, simplify and repair operation; The said mill part 4 that holds is the macromolecular material of high-strength wearable property, can avoid frequent change to hold the working efficiency of grinding part 4 and having influence on screw pump.
In the present embodiment, said connecting head 2 is spherical connecting head, is convenient to cooperate with the joints sleeve 51 of universal joint 5, avoids limiting the rotation of connecting rod, and the joints sleeve 51 of universal joint 5 is a known technology, repeats no more at this.
In the present embodiment, said connecting head 2 is an integral structure with connecting-rod body 1, can increase mechanical strength, and is easy to make, and simplifies manufacturing process.
In the present embodiment, the universal joint 5 and the transmission shaft component 6 of said screw pump are existing technology, and its structure and working method repeat no more at this.
Explanation is at last; Above embodiment is only unrestricted in order to the technological scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technological scheme of the utility model; And not breaking away from the aim and the scope of the utility model technological scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (7)
1. a screw pump universal joint connecting rod assembly comprises connecting-rod body and the connecting head that is used for connecting screw rod pump universal joint and drive shaft assembly that is arranged at the connecting-rod body two ends; Said connecting head is provided with the connecting through hole perpendicular to said connecting-rod body axis, and said connecting head is fixedly connected with said screw pump universal joint and drive shaft assembly through the driving pin that passes connecting through hole; It is characterized in that: be provided with in the connecting through hole of at least one connecting head and be used to prevent that driving pin directly holds mill spare with the connecting through hole madial wall rubs.
2. according to the said screw pump universal joint of claim 1 connecting rod assembly, it is characterized in that: the said mill part that holds is the ring bush of fitting shape with said connecting through hole madial wall.
3. according to the said screw pump universal joint of claim 2 connecting rod assembly, it is characterized in that: the said detachable madial wall that is fixedly set in said connecting through hole of mill part that holds.
4. according to the said screw pump universal joint of claim 3 connecting rod assembly, it is characterized in that: the connecting through hole that is positioned at the connecting head at connecting-rod body two ends is provided with and holds mill spare.
5. according to the said screw pump universal joint of claim 4 connecting rod assembly, it is characterized in that: said ring bush is the macromolecular material of high-strength wearable property.
6. according to the said universal joint connecting rod of claim 5 assembly, it is characterized in that: said connecting head is spherical connecting head.
7. according to the said universal joint connecting rod of claim 6 assembly, it is characterized in that: said connecting head and connecting-rod body are integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220192316 CN202579179U (en) | 2012-04-28 | 2012-04-28 | Universal joint connecting rod assembly of screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220192316 CN202579179U (en) | 2012-04-28 | 2012-04-28 | Universal joint connecting rod assembly of screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579179U true CN202579179U (en) | 2012-12-05 |
Family
ID=47248597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220192316 Expired - Fee Related CN202579179U (en) | 2012-04-28 | 2012-04-28 | Universal joint connecting rod assembly of screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202579179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410727A (en) * | 2013-07-24 | 2013-11-27 | 黄佳华 | Screw pump universal joint |
| CN107687481A (en) * | 2017-07-20 | 2018-02-13 | 北京金风科创风电设备有限公司 | Universal coupling |
-
2012
- 2012-04-28 CN CN 201220192316 patent/CN202579179U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410727A (en) * | 2013-07-24 | 2013-11-27 | 黄佳华 | Screw pump universal joint |
| CN107687481A (en) * | 2017-07-20 | 2018-02-13 | 北京金风科创风电设备有限公司 | Universal coupling |
| CN107687481B (en) * | 2017-07-20 | 2019-12-27 | 北京金风科创风电设备有限公司 | Universal coupling |
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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: 20121205 Termination date: 20150428 |
|
| EXPY | Termination of patent right or utility model |