CN2774974Y - Quick assembling and disassembling screw protective screw - Google Patents
Quick assembling and disassembling screw protective screw Download PDFInfo
- Publication number
- CN2774974Y CN2774974Y CN 200520081695 CN200520081695U CN2774974Y CN 2774974 Y CN2774974 Y CN 2774974Y CN 200520081695 CN200520081695 CN 200520081695 CN 200520081695 U CN200520081695 U CN 200520081695U CN 2774974 Y CN2774974 Y CN 2774974Y
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- thread
- screw
- screw thread
- disassembling
- protector
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Abstract
The utility model discloses quick assembling and disassembling screw protective screws, which comprise screw thread protecting bodies and inner lining steel sleeves; the screw thread protecting bodies which are made of rubber are in a hollow conical body structure; the inner parts of the screw thread protecting bodies are provided with the inner lining steel sleeves; the end surfaces of the outer parts of the screw thread protecting bodies are provided with disassembling and assembling holes; the inner parts of the disassembling and assembling holes are provided with small steel sleeve pipes which are uniformly distributed on the outer end surfaces of thread protectors; the utility model has an internal screw threads thread protecting type and an outer screw-threads protecting type. When used, the utility model can quickly protect the tool joint threads, complete preparatory work before cleaning drilling rods and obtain time for next cleaning work. Simultaneously, the labor intensity is reduced and the productive efficiency is improved.
Description
Technical field the utility model relates to a kind of tool joint thread protection instrument, especially a kind of screw thread thread protector of quick installation in the ball blast cleaning process.
After the background technology QW20 type drilling-rod external wall airless shot blasting installation place in operation; solved drilling rod outside face cleaning problem comprehensively; guaranteed the requirement of the whole flaw detection of next step drilling rod; but because ball blast speed; be about 70m/s; in the ball blast purge chamber; ball blast is with bigger impulsive force; finish the drilling rod outside face is cleared up; but when the threaded portion of drill pipe sub, will cause damage, so in the drilling rod outside face scale removal process to drill rod thread with big like this impact force action; it is very important how to protect screw thread not to be damaged; owing to clean a drilling rod time weak point, speed of double thread protection wanted fast before this required again to clean, to raise labour efficiency simultaneously; thereby do not influence the efficient operation of drilling-rod external wall cleaning
The summary of the invention the purpose of this utility model is a kind of fast assembling-disassembling screw thread thread protector of design, to solve the problem that the protection drill rod thread makes the drilling-rod external wall cleaning carry out smoothly simultaneously again.The utility model fast assembling-disassembling screw thread thread protector, it comprises screw thread thread protector body and liner steel bushing.Screw thread thread protector body is the hollow cone body structure, and screw thread thread protector body is that raw MAT'L is made with rubber, adds the liner steel bushing in screw thread thread protector body inside, is processed with the dismounting hole on screw thread thread protector external body end face, in this dismounting hole the steel small sleeve is installed.Screw thread thread protector body conical section tapering matches with tool joint thread, and the utility model has two kinds of negative thread thread protector and outside thread thread protectors, with the effect that realizes being connected with drill rod thread.In order to prevent that screw thread thread protector body from use coming off on the cleaning automatic production line because rubber rigidity is low, plasticity deforms greatly, lose the effect of protection drill rod thread, portion adds the liner steel bushing within it, to strengthen its bulk strength.In order to realize function in use quick for installation, be cast with the steel small sleeve that is the plane symmetry distribution in its end, the supporting special tool that processing adapts with it, 2 card bases of instrument extend in 2 steel small sleeves, turning handle, to realize the function of Fast Installation drill rod thread thread protector, thereby improved the installation efficiency, the condition of having created smoothly for the drilling-rod external wall cleaning, stopped the unnecessary screw thread reparation that brings because of the thread failure that causes in the cleaning process again, both reduce unnecessary car and repaiied work capacity, prolonged drilling life of drill pipe again.
Description of drawings Fig. 1 is an outside thread thread protector structural representation of the present utility model.Fig. 2 is a negative thread thread protector structural representation of the present utility model.1-screw thread thread protector body, 2-liner steel bushing, 3-screw thread, 4-jack among the figure.
The specific embodiment is with reference to accompanying drawing 1, Fig. 2, the utility model fast assembling-disassembling screw thread thread protector, and it is made of (1) screw thread thread protector body, (2) liner steel bushing, (3) screw thread, (4) jack.Be cast with liner steel bushing (2) in screw thread thread protector body (1) inside,, prevent that screw thread thread protector body from use coming off on the cleaning automation line because rubber rigidity is low, plasticity deforms greatly, loses the effect of protection drill rod thread to strengthen bulk strength.On drilling rod internal and external screw thread thread protector, be cast with 3～4 button screw threads, be connected with screwing of tool joint thread, avoid simultaneously because of detaining the slow-footed problem that screws that screw thread causes entirely to realize thread protector.Jack is cast with the steel small sleeve in (4), to strengthen jack intensity.The supporting special tool of drill rod thread thread protector is made for the reinforcing bar welding, and the distance of two card bases is identical with jack centre distance, and handle is afterburning convenient design in use.The utility model is being carried out before screw thread cleans; tool joint thread is protected; earlier negative thread thread protector (or outside thread thread protector) is enclosed within on the outside thread (or negative thread) of tool joint thread; go into hand push; when pushing away when motionless; two card bases with supporting special tool stretch in the two opposite side jacks of screw thread thread protector, hold the rotation direction rotation reinforcing that handle is pressed screw thread, till thread protector is tightened.Because this quick installing type drill rod thread thread protector screw thread is short, the time that screws is short, and 3～4 button screw threads have guaranteed the effect of being threaded again, are equipped with special tool, and are easy to operate, guaranteed that again screwing of screw thread puts in place, do not come off on automation line He in the cleaning process.
Claims (4)
1. fast assembling-disassembling screw thread thread protector, it comprises screw thread thread protector body (1) and liner steel bushing (2), it is characterized in that screw thread thread protector body (1) made by rubber, it is the hollow cone body structure, add liner steel bushing (2) in the rubber bodies inside of screw thread thread protector body (1), on the outside end face of screw thread thread protector, be processed with the dismounting hole, in this dismounting hole, the steel small sleeve be installed.
2. fast assembling-disassembling screw thread thread protector according to claim 1 is characterized in that this thread protector is the outside thread thread protector.
3. fast assembling-disassembling screw thread thread protector according to claim 1 is characterized in that this thread protector is the negative thread thread protector.
4. fast assembling-disassembling screw thread thread protector according to claim 1 is characterized in that described steel small sleeve is evenly distributed on the outer face of thread protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520081695 CN2774974Y (en) | 2005-03-24 | 2005-03-24 | Quick assembling and disassembling screw protective screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520081695 CN2774974Y (en) | 2005-03-24 | 2005-03-24 | Quick assembling and disassembling screw protective screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2774974Y true CN2774974Y (en) | 2006-04-26 |
Family
ID=36749283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520081695 Expired - Fee Related CN2774974Y (en) | 2005-03-24 | 2005-03-24 | Quick assembling and disassembling screw protective screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2774974Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388460A (en) * | 2012-05-10 | 2013-11-13 | 江阴德玛斯特钻具有限公司 | Tool joint provided with all-steel protecting cap |
-
2005
- 2005-03-24 CN CN 200520081695 patent/CN2774974Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388460A (en) * | 2012-05-10 | 2013-11-13 | 江阴德玛斯特钻具有限公司 | Tool joint provided with all-steel protecting cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Designer after: Zhang Xinxu Designer after: Gao Fei Designer after: Wang Xin Designer before: Zhang Xinxu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: ZHANG XINXU TO: ZHANG XINXU; GAO FEI; WANG XIN |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |