CN204266954U - A kind of boll-weevil hanger centering means - Google Patents
A kind of boll-weevil hanger centering means Download PDFInfo
- Publication number
- CN204266954U CN204266954U CN201420675923.2U CN201420675923U CN204266954U CN 204266954 U CN204266954 U CN 204266954U CN 201420675923 U CN201420675923 U CN 201420675923U CN 204266954 U CN204266954 U CN 204266954U
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- boll
- collar extension
- turning rolls
- centering means
- 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
Links
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a kind of boll-weevil hanger centering means, four installing holes are provided with slightly larger than on the annular chassis face of oil pipe at a mesopore, between each installing hole side card on be respectively equipped with a corresponding turning rolls, in each turning rolls respectively with mandrel and pin be provided with one outstanding in collar extension centre reserve a roller by oil pipe, be provided with one week steel ring locating slot in inner collar extension place on the surface at another of chassis.The advantage that the utility model structure is simple, make easy, easy to operate, laborsaving safety again.
Description
Technical field:
The utility model relates to Slung-Load element for crane or device, particularly a kind of boll-weevil hanger centering means being applicable to that 250 model well mouth oil pipe hanger is installed and used.
Background technology:
At present, oil-water well is all utilize travelling block to lift boll-weevil hanger in operation process, when the boll-weevil hanger be lifted in decentralization process easily and preventer, four-way junction of casing etc. produce and rub, with tightrope, boll-weevil hanger need be pulled to Zhong Tong center by workman, even using the method that pipe wrench and crowbar or many people push away makes it placed in the middle, then could slowly put down seat and enter in four-way junction of casing.It is poor reliability not only, sometimes also may cause the injury of the person, both require great effort, dangerous again.
Summary of the invention:
The purpose of this utility model is to provide a kind of easy to operate, the boll-weevil hanger centering means of safety labor-saving.
The technical solution of the utility model completes as follows, a kind of boll-weevil hanger centering means, it is characterized in that: be provided with four installing holes at a mesopore slightly larger than on the annular chassis face of oil pipe, between each installing hole side card on be respectively equipped with a corresponding turning rolls, in each turning rolls respectively with mandrel and pin be provided with one outstanding in collar extension centre reserve a roller by oil pipe, be provided with one week steel ring locating slot in inner collar extension place on the surface at another of chassis.
The advantage that the utility model structure is simple, make easy, easy to operate, laborsaving safety again.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model; Fig. 2 is the lateral view of Fig. 1.
Detailed description of the invention:
Describe embodiment in detail by reference to the accompanying drawings, the utility model is provided with four installing holes 6 at a mesopore slightly larger than on the annular chassis face of oil pipe, between each installing hole side card on be respectively equipped with a corresponding turning rolls 1, in each turning rolls respectively with mandrel 3 and pin 4 be provided with one outstanding in collar extension centre reserve a roller 2 by oil pipe, be provided with one week steel ring locating slot 7 in inner collar extension place on the surface at another of chassis.When being applied in 250 model well head suspension oil pipe, the diameter on chassis is 380mm, and the diameter of interior collar extension is greater than oil pipe, and the diameter between each roller is to be as the criterion just by oil pipe.This device has that structure is simple, easy to manufacture, easy to operate, the advantage of safety labor-saving.
Claims (1)
1. a boll-weevil hanger centering means, it is characterized in that: be provided with four installing holes at a mesopore slightly larger than on the annular chassis face of oil pipe, between each installing hole side card on be respectively equipped with a corresponding turning rolls, in each turning rolls respectively with mandrel and pin be provided with one outstanding in collar extension centre reserve a roller by oil pipe, be provided with one week steel ring locating slot in inner collar extension place on the surface at another of chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420675923.2U CN204266954U (en) | 2014-11-13 | 2014-11-13 | A kind of boll-weevil hanger centering means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420675923.2U CN204266954U (en) | 2014-11-13 | 2014-11-13 | A kind of boll-weevil hanger centering means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204266954U true CN204266954U (en) | 2015-04-15 |
Family
ID=52801826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420675923.2U Expired - Fee Related CN204266954U (en) | 2014-11-13 | 2014-11-13 | A kind of boll-weevil hanger centering means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204266954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558937A (en) * | 2017-08-24 | 2018-01-09 | 安徽宝立华机械设备有限公司 | One kind is used for aided oil drill rod connecting device |
-
2014
- 2014-11-13 CN CN201420675923.2U patent/CN204266954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558937A (en) * | 2017-08-24 | 2018-01-09 | 安徽宝立华机械设备有限公司 | One kind is used for aided oil drill rod connecting device |
| CN107558937B (en) * | 2017-08-24 | 2024-04-26 | 安徽宝立华机械设备有限公司 | Be used for supplementary oil drilling rod connecting device |
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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: 20150415 Termination date: 20151113 |