CN202767876U - Drilling machine arrow-shaped seamless thick wall steel tube intersection type welded traction rod - Google Patents
Drilling machine arrow-shaped seamless thick wall steel tube intersection type welded traction rod Download PDFInfo
- Publication number
- CN202767876U CN202767876U CN 201220395005 CN201220395005U CN202767876U CN 202767876 U CN202767876 U CN 202767876U CN 201220395005 CN201220395005 CN 201220395005 CN 201220395005 U CN201220395005 U CN 201220395005U CN 202767876 U CN202767876 U CN 202767876U
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- pull bar
- drawing pull
- traction rod
- steel tube
- traction
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Abstract
A drilling machine arrow-shaped seamless thick wall steel tube intersection type welded traction rod comprises a primary traction rod and auxiliary traction rods. A traction base is arranged at the traction end of the main traction rod. The number of the auxiliary traction rod is even and symmetrically distributed on two sides of the primary traction rod. According to the drilling machine arrow-shaped seamless thick wall steel tube intersection type welded traction rod, traction rod internal stress distributes evenly and reasonably, conditions of stress concentration , large contact stress and the like are greatly avoided, stability of a system is greatly increased, and safety of overall structure is improved.
Description
Technical field
The utility model relates to oil-well rig equipment, and the seamless thick walled steel tube of flechette-type that is specifically related to use in a kind of oil-well rig equipment passes through formula welding drawing pull bar mutually.
Background technology
Along with the development of petroleum industry, the competition of oil exploitation also is growing more intense, and is also more harsh for the requirement of drilling equipment.For the exploitation of shallow well and middle-deep well, the cycle of its drilling well is short, mobile transportation is frequent, exist always relocation equipment install yield poor results, hand labor intensity is large, safety factor is low etc. characteristics.As far back as the sixties in last century, the movement rig such as forms such as " desert director ", oil well 840E just appearred in the world.In this year, Russia, Norway, the U.S., Italy etc. are comparatively leading aspect the application study of rapid transporting rig, and product is comparative maturity also.More international important oildoms when the oil equipment to us calls for bid, all require oil-well drilling equipment to have long-range movement performance such as Middle East, Central Asia and north America region.Along with China's oil equipment is gone abroad gradually, the oil equipment that exploitation has the Integral transporting function, problem demanding prompt solution.
In the Integral transporting process of oil-well rig equipment, drawing pull bar is one of critical component.Because present drawing pull bar is simple in structure, is the single pole form, tension distribution is inhomogeneous, causes stress to be concentrated, and is easy to damage under powerful pulling force.
Summary of the invention
The technical problem that the utility model solves is to provide the seamless thick walled steel tube of rig flechette-type to pass through mutually formula welding drawing pull bar, thereby solves the problem in the above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
The seamless thick walled steel tube of rig flechette-type passes through formula welding drawing pull bar mutually, comprises main drawing pull bar and auxiliary drawing pull bar, and the traction end of described main drawing pull bar is provided with traction seat, and described auxiliary drawing pull bar has the even number root, is symmetrically distributed in the both sides of described main drawing pull bar.
As a kind of improvement, the end of described main drawing pull bar is provided with vertical struts, and an end of described auxiliary drawing pull bar and the traction end of main drawing pull bar are welded, the vertical struts welding on the other end and the described main drawing pull bar.Under this structure, have angle between described auxiliary drawing pull bar and the described main drawing pull bar, be beneficial to the dispersion of stress.
Thereby in the utility model, main drawing pull bar and auxiliary drawing pull bar form the flechette-type structure, and pulling force can Uniform Dispersion, avoids stress to concentrate.
In the utility model, described main drawing pull bar and auxiliary drawing pull bar are all selected seamless thick walled steel tube, both close contacts during welding, and finish welding at both intersections, realized passing through mutually the formula welding.
Owing to having adopted above structure, having the utlity model has following beneficial effect:
The seamless thick walled steel tube of rig flechette-type that the utility model provides passes through formula welding drawing pull bar mutually, integral body is the flechette-type structure, in horizontally tracting pulling force service load situation, the pull bar internal stress distribution evenly and rationally, greatly avoid the situations such as stress is concentrated, large contacting stress, greatly increase Systems balanth; The utility model adopts thick walled steel tube to pass through mutually formula welding fabrication structure, has greatly improved the stressed reasonability of weld seam, the safety of the general structure of raising.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with specific embodiment, further set forth the utility model.
Referring to Fig. 1, the seamless thick walled steel tube of rig flechette-type passes through formula welding drawing pull bar mutually, comprises main drawing pull bar 1 and auxiliary drawing pull bar 2, and the traction end of described main drawing pull bar 1 is provided with traction seat 3, described auxiliary drawing pull bar 2 has the even number root, is symmetrically distributed in the both sides of described main drawing pull bar 1.
In the present embodiment, auxiliary drawing pull bar 2 arranges two, and the end in described main drawing pull bar 1 is provided with vertical struts 4, and an end of described auxiliary drawing pull bar 2 and the traction end of main drawing pull bar 1 are welded, vertical struts 4 welding on the other end and the described main drawing pull bar 1.Under this structure, have angle between described auxiliary drawing pull bar 2 and the described main drawing pull bar 1, be beneficial to the dispersion of stress.
In the utility model, described main drawing pull bar 1 and auxiliary drawing pull bar 2 are all selected seamless thick walled steel tube, both close contacts during welding, and finish welding at both intersections, realized passing through mutually the formula welding.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the manual just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. the seamless thick walled steel tube of rig flechette-type passes through formula welding drawing pull bar mutually, it is characterized in that: comprise main drawing pull bar and auxiliary drawing pull bar, the traction end of described main drawing pull bar is provided with traction seat, and described auxiliary drawing pull bar has the even number root, is symmetrically distributed in the both sides of described main drawing pull bar.
2. the seamless thick walled steel tube of rig flechette-type according to claim 1 passes through formula welding drawing pull bar mutually, it is characterized in that: the end of described main drawing pull bar is provided with vertical struts, and an end of described auxiliary drawing pull bar and the traction end of main drawing pull bar are welded, the vertical struts welding on the other end and the described main drawing pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220395005 CN202767876U (en) | 2012-08-06 | 2012-08-06 | Drilling machine arrow-shaped seamless thick wall steel tube intersection type welded traction rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220395005 CN202767876U (en) | 2012-08-06 | 2012-08-06 | Drilling machine arrow-shaped seamless thick wall steel tube intersection type welded traction rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202767876U true CN202767876U (en) | 2013-03-06 |
Family
ID=47774459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220395005 Expired - Lifetime CN202767876U (en) | 2012-08-06 | 2012-08-06 | Drilling machine arrow-shaped seamless thick wall steel tube intersection type welded traction rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202767876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700346A (en) * | 2019-10-11 | 2020-01-17 | 江阴金盾工程机械制造有限公司 | Bucket for mine |
-
2012
- 2012-08-06 CN CN 201220395005 patent/CN202767876U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700346A (en) * | 2019-10-11 | 2020-01-17 | 江阴金盾工程机械制造有限公司 | Bucket for mine |
| CN110700346B (en) * | 2019-10-11 | 2022-04-22 | 江阴金盾工程机械制造有限公司 | Bucket for mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |