CN209754098U - Drill jig for drill collar wire passing hole - Google Patents
Drill jig for drill collar wire passing hole Download PDFInfo
- Publication number
- CN209754098U CN209754098U CN201920606801.0U CN201920606801U CN209754098U CN 209754098 U CN209754098 U CN 209754098U CN 201920606801 U CN201920606801 U CN 201920606801U CN 209754098 U CN209754098 U CN 209754098U
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- CN
- China
- Prior art keywords
- hole
- drill
- main body
- order inner
- inner hole
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- 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 discloses a drill jig for a drill collar wire passing hole, which is used for being assembled in a drill collar to assist in drilling the wire passing hole, the drill collar is provided with a first-order inner hole and a second-order inner hole which are arranged in sequence, the diameter of the first-order inner hole is larger than that of the second-order inner hole, the wire passing hole is positioned on the step surface of the first-order inner hole and the second-order inner hole, the drill jig is provided with a cylindrical drill jig main body, the length of the drill jig main body corresponds to the length of the first-order inner hole, the outer diameter of the drill jig main body is in clearance fit with the inner diameter of the first-order inner hole of the drill collar, one side of the central axis of the drill jig main body is provided with a positioning hole which is arranged in parallel with the central axis of the drill collar and penetrates through the whole drill collar, the positioning hole is provided with a positioning pin, a jig hole is arranged on the connection line of the circle center of the positioning hole and the circle center of, the die holes penetrate through the whole drill collar and are arranged in an inclined mode, the inclination is the same as that of the wire through holes, and the positions close to the second-order inner holes are far away from the central axis of the drill jig main body. The utility model discloses simple structure can accurate location, prevents simultaneously that the drill bit shake from arousing the drill bit rupture.
Description
Technical Field
the utility model relates to a drill collar processing field especially relates to a drill jig for line hole is crossed to drill collar.
Background
The drill collar is one of important parts for oil drilling and production, the structure of the drill collar is often provided with a plurality of wire through holes for the need of increasing, and due to the working particularity of the drill collar, the drill collar is high in material hardness and toughness and high in processing difficulty. The drill collar structure is slender, most of leakage is obliquely arranged on the drill collar wall, a slender twist drill is usually adopted in the processing, but the rear part of a drill rod is usually not supported in the process, and the drill bit is easy to shake and break when a hole is positioned; and the inclination degree of the hole is not well mastered, and although the inclination requirement is not high, the positioning is inaccurate due to the overlong positioning distance, so that the overlong inclined hole cannot play a leakage role. Therefore, a special drill jig is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a drill jig for line hole is crossed to drill collar can assist the line hole of crossing of processing drill collar internal slope.
The utility model discloses a realize through following technical scheme:
A drill jig for a drill collar wire passing hole is used for being assembled in a drill collar to assist in drilling the wire passing hole, the drill collar is provided with a first-order inner hole and a second-order inner hole which are sequentially arranged, the diameter of the first-order inner hole is larger than that of the second-order inner hole, the wire passing hole is positioned on the step surface of the first-order inner hole and the second-order inner hole, the drill jig is provided with a cylindrical drill jig main body, the length of the drill jig main body corresponds to the length of the first-order inner hole, the outer diameter of the drill jig main body is in clearance fit with the inner diameter of the first-order inner hole of the drill collar, one side of the central axis of the drill jig main body is provided with a positioning hole which is arranged in parallel with the central axis of the drill collar and penetrates through the whole drill collar, the positioning hole is provided with a positioning pin, a jig hole is arranged on the connection line of the circle center of the positioning hole and the circle center of, the die holes penetrate through the whole drill collar and are arranged in an inclined mode, the inclination is the same as that of the wire through holes, and the positions close to the second-order inner holes are far away from the central axis of the drill jig main body.
Preferably, the die holes are provided in two numbers, and are arranged in parallel with each other.
Preferably, the outer part of one end of the drill jig main body, which is far away from the second-order inner hole, is provided with a positioning groove.
Preferably, one end of the drill jig main body, which is far away from the second-order inner hole, is provided with a threaded hole, and a detachable handle is connected and arranged in the threaded hole.
Preferably, one end of the drill jig main body, which is close to the second-order inner hole, is provided with a threaded hole, a positioning rod is connected in the threaded hole, the positioning rod extends to the outside of the first-order inner hole, and the tail end of the positioning rod is provided with a screw rod and a fastening nut.
Preferably, the mould hole is positioned on the end surface of the drill jig main body far away from the second-order inner hole, and a wok hole surface is arranged on the end surface of the drill jig main body and is perpendicular to the central line of the mould hole.
The utility model discloses simple structure adds man-hour and only needs carry out the centre gripping location to the drill collar, adjusts the drill bit in machining center, utilizes fixed jig to guide the drill bit to the machined surface and drills, can accurate location, prevents simultaneously that the drill bit shake from arousing the drill bit rupture.
Drawings
Fig. 1 is an assembly and use schematic view of a drill jig for a drill collar through hole in an embodiment of the present invention.
Fig. 2 is a schematic end face structure diagram of a drill jig main body for a drill collar through hole in an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view (a-a in fig. 1) of a drill jig main body for a drill collar through hole according to an embodiment of the present invention.
The reference numbers are as follows:
1. The main shaft comprises a first-order inner hole, a second-order inner hole, a wire passing hole, a positioning hole, a drill jig main body, a positioning groove, a handle, a positioning rod, a fastening nut, a wok hole surface and an upper main shaft, wherein the first-order inner hole is 2, the second-order inner hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in figures 1 to 3, a drill jig for a drill collar through hole is used for assembling an auxiliary drill hole 3 in the drill collar through hole, in the embodiment, an upper main shaft 12 of the drill collar is taken as an example, the upper main shaft 12 is provided with a first-order inner hole 1 and a second-order inner hole 2 which are sequentially arranged, the diameter of the first-order inner hole 1 is larger than that of the second-order inner hole 2, the wire through hole 3 is positioned on the step surface of the first-order inner hole 1 and the second-order inner hole 2, the drill jig is provided with a cylindrical drill jig main body 5, the length of the drill jig main body 5 corresponds to that of the first-order inner hole 1, the outer diameter of the drill jig main body is in clearance fit with the inner diameter of the first-order inner hole 1 of the upper main shaft 12, a positioning hole 4 which is arranged in parallel to the central axis of the upper main shaft 12 and penetrates through the whole upper main shaft 12 is arranged on one side of the central, the die hole 6 penetrates through the whole upper main shaft 12 to be obliquely arranged, the inclination is the same as that of the wire passing hole 3, and the position close to the second-order inner hole 2 is far away from the central axis of the drill jig main body 5.
During specific processing, the drill collar with multi-step inner holes is involved, and the drill jig main body 5 can be made into a cylinder with a plurality of steps according to the structure of the drill collar.
In this embodiment, the two die holes 6 are arranged in parallel on two sides of a connection line between the circle center of the positioning hole 4 and the circle center of the end face of the drill jig main body 5, and are symmetrical to each other, so that two parallel inclined holes can be drilled.
In this embodiment, the outside of the one end of jig main part 5, which is far away from second order hole 2, is provided with a positioning groove 7 for distinguishing the direction, and also can be conveniently put in a tool to adjust jig main part 5 for convenient positioning.
In this embodiment, the one end that the jig main part 5 kept away from second order hole 2 is provided with the screw hole, and the downthehole connection is provided with detachable handle 8, and after drilling is accomplished, the handle 8 of dress is convenient for take out the jig, and the screw hole does not interfere with nib 6.
In this embodiment, the jig main body 5 is provided with a threaded hole near one end of the second-order inner hole 2, and the locating rod 9 is connected in the hole, and the locating rod 9 extends to the outside of the first-order inner hole 1, and the end is provided with a screw rod and is provided with a fastening nut 10, which can assist in fastening the jig.
In this embodiment, the nib 6 is located jig main part 5 and sets up cauldron hole face 11 on keeping away from the terminal surface of second order hole 2, and cauldron hole face 11 is perpendicular with the 6 central lines of nib, and the drill bit entering is made things convenient for in the drill way can also set up the chamfer.
When the drill jig is used, the positioning rod 9 is connected to the tail of the drill jig main body 5, the drill jig is placed in the first-order inner hole 1, the positioning pin is inserted into the positioning hole 4, the positioning pin hole is formed in the step surface of the first-order inner hole 1 and the step surface of the second-order inner hole 2 of the drill collar, the positioning pin is inserted into the positioning pin hole, the drill jig main body 5 can be rotated to be aligned by using the positioning groove 7 when the positioning pin is not aligned, and then the tail of the positioning rod 9 is locked by using the locking nut; after drilling is completed, the locking nut is loosened, the handle 8 is installed, and the drill jig is taken out.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A drill jig for a drill collar wire passing hole is used for being assembled in the drill collar to assist in drilling the wire passing hole, the drill collar is provided with a first-order inner hole and a second-order inner hole which are sequentially arranged, the diameter of the first-order inner hole is larger than that of the second-order inner hole, the wire passing hole is positioned on the step surface of the first-order inner hole and the second-order inner hole, it is characterized in that the drill jig is provided with a cylindrical drill jig main body, the length of the drill jig main body corresponds to the length of a first-order inner hole, the outer diameter of the drill jig main body is in clearance fit with the inner diameter of the first-order inner hole of the drill collar, one side of the central axis of the drill jig main body is provided with a positioning hole which is parallel to the central axis of the drill collar and penetrates through the whole drill jig main body, a positioning pin is arranged in the positioning hole, a jig hole is arranged on the connecting line of the circle center of the positioning hole and the circle center of the, the die hole runs through the whole drill jig main body and is obliquely arranged, the inclination is the same as the inclination of the wire passing hole, and the position of the die hole close to the second-order inner hole is far away from the central axis of the drill jig main body.
2. The drill jig for the drill collar through hole as claimed in claim 1, wherein the two drill holes are arranged in parallel to each other.
3. The drill jig for the drill collar through hole as claimed in claim 1, wherein a positioning groove is arranged outside an end of the drill jig main body away from the second-order inner hole.
4. The drill jig for the drill collar through hole as claimed in claim 1, wherein a threaded hole is formed in one end of the drill jig main body, which is far away from the second-order inner hole, and a detachable handle is connected and arranged in the threaded hole.
5. The drill jig for the wire passing hole of the drill collar as claimed in claim 1, wherein a threaded hole is formed at one end of the drill jig main body close to the second-order inner hole, a positioning rod is connected in the threaded hole and extends to the outside of the first-order inner hole, and a screw rod and a fastening nut are arranged at the tail end of the positioning rod.
6. The drill jig for the drill collar wire passing hole as claimed in claim 2, wherein the jig hole is positioned on an end surface of the jig main body away from the second-order inner hole and is provided with a wok hole surface, and the wok hole surface is perpendicular to a center line of the jig hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920606801.0U CN209754098U (en) | 2019-04-29 | 2019-04-29 | Drill jig for drill collar wire passing hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920606801.0U CN209754098U (en) | 2019-04-29 | 2019-04-29 | Drill jig for drill collar wire passing hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209754098U true CN209754098U (en) | 2019-12-10 |
Family
ID=68760878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920606801.0U Expired - Fee Related CN209754098U (en) | 2019-04-29 | 2019-04-29 | Drill jig for drill collar wire passing hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209754098U (en) |
-
2019
- 2019-04-29 CN CN201920606801.0U patent/CN209754098U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20191210 |