CN203403830U - Aluminum alloy drill pipe structure for wire-line coring drilling - Google Patents
Aluminum alloy drill pipe structure for wire-line coring drilling Download PDFInfo
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- CN203403830U CN203403830U CN201320479683.4U CN201320479683U CN203403830U CN 203403830 U CN203403830 U CN 203403830U CN 201320479683 U CN201320479683 U CN 201320479683U CN 203403830 U CN203403830 U CN 203403830U
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- screw thread
- drill pipe
- thread pair
- drilling
- thread
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Abstract
Provided is an aluminum alloy drill pipe structure for wire-line coring drilling. According to the technical scheme, the structure comprises a drilling pipe body, a female joint and a male joint, wherein the upper end and the lower end of the drilling pipe body are in thread pair threaded connection with the female joint and the male joint respectively, and the upper end of the female joint and the lower end of the male joint are in thread pair threaded connection. The structure is characterized in that the thread taper of each thread pair is 1:22. A tooth-shaped half angle of each thread pair is improved. As is shown in on-site use, by means of the thread pair structure, the aluminum alloy drill pipe structure can effectively improve anti-pulling performance of a drilling pipe and reduce occurrence of drilling accidents. Due to the fact that parameters of the thread pair structure are optimized and researched, a novel drill pipe is developed, the requirement of deep geology prospecting is met, and meanwhile certain reference value is provided for industrial standard formulating.
Description
Technical field
The utility model relates to a kind of probing utensil, and a kind of wire line coring creeps into and uses aluminium drill pipe structure specifically.
Background technology
It is the main method that geology of deep part is looked for ore deposit core drilling that wire line coring creeps into, and has the drilling efficiency of raising, extends bit life, reduces labor intensity, reduces drilling accident, reduces the advantages such as tubing and devices consume.Aluminium drill pipe is compared and is had valuable physical and mechanical property with conventional steel drilling rod; Lightweight, under the certain condition of drill capacity, with aluminium drill pipe, can bore and reach the drill steel degree of depth that is beyond one's reach; The stability of aluminium alloys in corrosive environment is very good, and resistance to corrosion is strong.At height above sea level, mountain shape is dangerously steep, with a varied topography, natural conditions are severe, geographical position is remote, ungetable special area, geological drilling construction operational difficulty, even some survey area cannot be executed brill, at these application aluminium drill pipes in area difficult to get access, implement drilling project operation, can increase existing drilling equipment drilling ability, reduce rig power consumption, reduce freight handling quality, alleviate labor strength, also can reduce difficulty of construction simultaneously, improve drilling efficiency.At present, wire line coring creeps into the structure with aluminium drill pipe, comprises the aluminium drill pipe body of rod, female joint and male joint, and female joint and male joint are steel.Every aluminium drill pipe body of rod two ends arrange screw thread, and aluminium drill pipe body of rod upper end and female joint lower end are spirally connected, and aluminium drill pipe body of rod lower end and male joint upper end are spirally connected, and form aluminium drill pipe single.Aluminium alloys gold drill pipe joint female joint upper end and a upper single male joint lower end are spirally connected, and so the some aluminium drill pipe bodies of rod are connected to drill string.The tapering of above-mentioned each connection of thread is 1:30, and screw thread pair half of thread angle is 15 °.The screw thread pair syndeton of this traditional structure is along with the continuous increase of drilling depth, the lasting increase of work difficulty, the problem existing displays gradually: in work progress, tool joint thread the phenomenon such as pulls, breaks and frequently occurs, has had a strong impact on and has crept into on-the-spot normal construction.Therefore, need double thread auxiliary structure to be optimized improvement.
Utility model content
The utility model is used for solving the defect of above-mentioned prior art, and the wire line coring that provides a kind of drilling accident that can effectively improve drilling rod anti-slip ability, reduction to occur creeps into uses aluminium drill pipe structure.
Address the above problem adopted technical scheme as follows:
A kind of wire line coring creeps into uses aluminium drill pipe structure, it comprises the drilling rod body of rod, female joint and male joint, wherein drilling rod body upper/lower terminal is spirally connected with female joint, male joint formation screw thread pair respectively, female joint upper end and male joint lower end form screw thread pair and are spirally connected, and its special feature is: the thread taper of described each screw thread pair is 1:22.
Above-mentioned wire line coring creeps into uses aluminium drill pipe structure, and described each screw thread pair half of thread angle one side is 45 °, and opposite side is-9 °.
Above-mentioned wire line coring creeps into uses aluminium drill pipe structure, and the half of thread angle upside of described drilling rod body of rod upper external screw thread is 45 °, and downside is-9 °, and the externally threaded half of thread angle in drilling rod body of rod lower end and upper end are symmetrical arranged; Described male joint lower end external screw thread half of thread angle upside is-9 °, and downside is 45 °.
The utility model creeps into for existing wire line coring the problem that the joint screw thread place with aluminium drill pipe easily pulls, breaks and improves, drill rod thread auxiliary structure is optimized to design, screw thread pair tapering is improved to 1:22 by 1:30, screw thread pair half of thread angle is 15 ° by both sides, is improved to 45 ° of sides, opposite side is-9 °.Above-mentioned design, under same button-type condition, when screw thread cone angle diminishes, screw thread pair tension holder ability increases; Screw thread pair tooth form is along with the continuous increase of a side half-angle negative angle, and the anticreep ability of negative angle trapezoid buckle screw thread constantly increases, and when angle reaches-9 °, tension holder power is maximum.On-the-spot use shows, adopts screw thread pair structure of the present utility model, can effectively improve the anti-slip ability of drilling rod, reduces drilling accident and occurs.The utility model is studied screw thread pair structural parameters by optimization, develops Novel drill rod, not only can meet the demand that geology of deep part is looked for ore deposit; Meanwhile, industry standard formulation is also had to certain reference value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of drilling rod body;
Fig. 3 is the structural representation of male joint;
Fig. 4 is the structural representation of female joint;
Fig. 5 is the partial enlarged view at Fig. 2 A place.
In figure, each parts label is as follows: 1. female joint; 2. the drilling rod body of rod; 3. male joint.
The specific embodiment
Referring to Fig. 1-4, the utility model formation comprises female joint 1, the drilling rod body of rod 2 and male joint 3.The upper/lower terminal of the drilling rod body of rod 2 all arranges external screw thread; The two ends of female joint 1 all arrange internal thread; Male joint upper end arranges internal thread, lower end arranges external screw thread.By several drilling rod bodies of rod, female joint, male joint, through screw thread pair, be mutually spirally connected and form wire line coring and creep into and use aluminium alloys drill string.The connected mode of above-mentioned each part is as follows: the internal thread of the external screw thread of the drilling rod body of rod 2 upper ends and female joint 1 lower end forms screw thread pair and is spirally connected; The drilling rod body of rod 2 lower end external screw threads and male joint 3 upper end internal threads form screw thread pair and are spirally connected; The screw thread pair that the internal thread of male joint lower end external screw thread and another female joint upper end forms is spirally connected.By several female joints, male joint and the drilling rod body of rod, connect and compose in the manner described above wire line coring and creep into the drill string with aluminium drill pipe.
Referring to Fig. 2, an improvement of the present utility model is that the thread taper of above-mentioned each screw thread pair is 1:22.Compare with the thread taper 1:30 of conventional drill screw thread pair, the utility model diminishes the screw thread cone angle of each screw thread pair, and screw thread pair tension holder ability is increased.
With reference to figure 2, Fig. 5, an improvement of the present utility model is, the half of thread angle of above-mentioned each screw thread pair is 15 ° by traditional both sides, and being improved to a side is 45 °, and opposite side is-9 °.Wherein, the half of thread angle upside of drilling rod body of rod upper external screw thread is 45 °, and downside is-9 °, and the drilling rod body of rod 2 externally threaded half of thread angles in lower end and upper end are symmetrical arranged; Male joint lower end external screw thread half of thread angle upside is-9 °, and downside is 45 °.The internal thread at female joint two ends mates and screws with the external screw thread of the drilling rod body of rod and male joint respectively, and the internal thread of male joint upper end mates and screws with drilling rod body of rod external screw thread.The half of thread angle of the designed screw thread pair of the utility model can form a kind of hook-shaped connection that is similar between two parts that are mutually spirally connected, and the anticreep ability of negative angle trapezoid buckle screw thread is constantly increased.Test shows, when angle reaches-9 °, tension holder power is maximum.Half of thread angle one side of screw thread pair is set to-9 °, and opposite side is set to 45 °, can strengthen the mechanical strength of screw thread.On-the-spot use shows, adopts screw thread pair structure of the present utility model, can effectively improve the anti-slip ability of drilling rod, and the drilling accident of reduction occurs.
Claims (3)
1. a wire line coring creeps into and uses aluminium drill pipe structure, it comprises the drilling rod body of rod, female joint and male joint, wherein drilling rod body upper/lower terminal is spirally connected with female joint, male joint formation screw thread pair respectively, female joint upper end and male joint lower end form screw thread pair and are spirally connected, and it is characterized in that: the thread taper of described each screw thread pair is 1:22.
2. wire line coring according to claim 1 creeps into and uses aluminium drill pipe structure, it is characterized in that: described each screw thread pair half of thread angle one side is 45 °, and opposite side is-9 °.
3. wire line coring according to claim 2 creeps into and uses aluminium drill pipe structure, it is characterized in that: the half of thread angle upside of described drilling rod body of rod upper external screw thread is 45 °, downside is-9 °, and the externally threaded half of thread angle in drilling rod body of rod lower end and upper end are symmetrical arranged; Described male joint lower end external screw thread half of thread angle upside is-9 °, and downside is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479683.4U CN203403830U (en) | 2013-08-07 | 2013-08-07 | Aluminum alloy drill pipe structure for wire-line coring drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479683.4U CN203403830U (en) | 2013-08-07 | 2013-08-07 | Aluminum alloy drill pipe structure for wire-line coring drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203403830U true CN203403830U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320479683.4U Expired - Fee Related CN203403830U (en) | 2013-08-07 | 2013-08-07 | Aluminum alloy drill pipe structure for wire-line coring drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203403830U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939329A (en) * | 2017-11-29 | 2018-04-20 | 贵州远东兄弟钻探有限公司 | Positive and negative the screw thread grading and drilling process method of a kind of rope coring drill pipe |
| CN113638700A (en) * | 2021-09-03 | 2021-11-12 | 中国地质科学院勘探技术研究所 | High-performance thin-wall wire line coring drill rod for deep hole |
-
2013
- 2013-08-07 CN CN201320479683.4U patent/CN203403830U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939329A (en) * | 2017-11-29 | 2018-04-20 | 贵州远东兄弟钻探有限公司 | Positive and negative the screw thread grading and drilling process method of a kind of rope coring drill pipe |
| CN107939329B (en) * | 2017-11-29 | 2020-08-14 | 贵州远东兄弟钻探有限公司 | Positive and negative thread grading and drilling process method of rope coring drill rod |
| CN113638700A (en) * | 2021-09-03 | 2021-11-12 | 中国地质科学院勘探技术研究所 | High-performance thin-wall wire line coring drill rod for deep hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 065000 Langfang golden city of Hebei province Guangyang District Road No. 77 Co-patentee after: Langfang Juli Exploration Technology Co.,Ltd. Patentee after: INSTITUTE OF EXPLORATION TECHNIQUE, CHINESE ACADEMY OF GEOLOGICAL SCIENCES Address before: 065000 Langfang golden city of Hebei province Guangyang District Road No. 77 Co-patentee before: JULI GEO-ENGINEERING TECHNICAL DEVELOPMENT COMPANY (LANGFANG) Patentee before: INSTITUTE OF EXPLORATION TECHNIQUE, CHINESE ACADEMY OF GEOLOGICAL SCIENCES |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 |