CN211342855U - Drilling rod fishing hook-deflecting device - Google Patents
Drilling rod fishing hook-deflecting device Download PDFInfo
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- CN211342855U CN211342855U CN201922204929.7U CN201922204929U CN211342855U CN 211342855 U CN211342855 U CN 211342855U CN 201922204929 U CN201922204929 U CN 201922204929U CN 211342855 U CN211342855 U CN 211342855U
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Abstract
The utility model relates to the technical field of a drill rod fishing device, in particular to a drill rod fishing hook device, which comprises a cylinder body and a fishing device, wherein the cylinder body comprises a cylindrical cylinder body and a conical cylinder body, and one end of the cylindrical cylinder body is combined with one end of the conical cylinder body; the outer surface of the conical cylinder body is distributed with cutting teeth; the fishing device is a helical blade arranged on the outer surface of the cylindrical barrel, and the tail end of the helical blade is a hook. The surface of the conical cylinder body is provided with cutting teeth, so that the thorough reaming can be ensured, coal (rock) slag in the hole is broken, the fault hole is swept through, and the hidden danger of shrinkage is eliminated; the special-shaped fishing device (comprising a hook body) utilizes the spiral blade body to remove coal (slag) in the hole, reduce the obstruction in the hole, smoothly sleeve the tripping drill rod and accurately judge the spatial position and distance of the tripping drill rod in the hole.
Description
Technical Field
The utility model discloses drilling rod fishing device technical field, concretely relates to drilling rod is salvaged and is hooked device partially.
Background
The directional drilling is constructed in the coal (rock) layer, because the conventional drilling is constructed right before or is influenced by blasting vibration, the coal (rock) layer is soft in the range of 30m right before, the stress of the coal (rock) body is redistributed, and the phenomena of hole wall collapse and insufficient depth of a lower hole sealing pipe are often generated after the directional drilling construction. In order to ensure the depth of the lower hole sealing pipe and the hole sealing depth (the hole sealing length is 18-30m and the specification of the hole sealing pipe is phi 63mm 4.5m by adopting a cement grouting method in drilling), the hole diameter of the drilled hole is usually expanded to 159mm by adopting a hole expanding process of a special hole expanding drill bit (phi 153 mm).
The method is characterized in that nearly horizontal drilling is constructed in a coal (rock) layer, drilling rod tripping accidents occur in a hole due to misoperation of a driller, the tripping is particularly within the range of 7-30 m, accumulated water is more at the bottom of the drilling hole, in order to accurately judge the spatial position and the distance of a tripped drilling rod in the hole, a Western-style drilling peeping instrument is often adopted for observation (the instrument is tied on a 4-minute pipe and is sent into the hole along with the 4-minute pipe), under the self-weight action of the drilling peeping instrument and the 4-minute pipe, the camera part of the drilling peeping instrument is almost flooded by the accumulated water in the whole process, no matter how to manually rotate the 4-minute pipe, a measured picture is also blurred, the spatial position of the tripped drilling rod cannot be clearly seen, air can only be blown into the hole by air pressure, observation is carried out after the hole is dried, the salvage period is prolonged.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a hook device partially is salvaged to drilling rod, the device can make clear and determine the spatial position of dropout drilling rod in the hole.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a drilling rod fishing hook-deflecting device comprises a barrel body and a fishing device, wherein the barrel body comprises a cylindrical barrel body and a conical barrel body, and one end of the cylindrical barrel body is combined with one end of the conical barrel body; the outer surface of the conical cylinder body is distributed with cutting teeth; the fishing device is a helical blade arranged on the outer surface of the cylindrical barrel, and the tail end of the helical blade is a hook.
The helical blade is arranged in a helical hook shape clockwise outwards at the joint of the cylindrical barrel and the conical barrel.
The taper of the cone is degree.
The barrel is of an integrated structure.
The cylinder is a hollow cylinder.
The barrel is made of alloy steel.
And the other end of the cylindrical barrel is provided with threads.
Compared with the prior art, the utility model, the beneficial effect who has is:
the achievement overcomes the defects of a drilling peeping instrument, the distance between the tripping drill rod and the hole opening and the spatial position of the tripping drill rod in the hole are accurately calculated by utilizing the characteristic of the inclined hook, the number of the drill rods is determined according to the position of the broken rod, and a scientific and reasonable basis is provided for the formulation of a later fishing scheme. The salvage period is shortened, the labor cost is greatly saved, the safety of a drill rod and a drilling tool is guaranteed, and the problem of tunneling connection in tunnel engineering is solved.
The surface of the conical cylinder body is provided with cutting teeth, so that the thorough reaming can be ensured, coal (rock) slag in the hole is broken, the fault hole is swept through, and the hidden danger of shrinkage is eliminated; the special-shaped fishing device (comprising a hook body) utilizes the spiral blade body to remove coal (slag) in the hole, reduce the obstruction in the hole, smoothly sleeve the tripping drill rod and accurately judge the spatial position and distance of the tripping drill rod in the hole.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the usage state of the present invention;
wherein: the device comprises a cylindrical body 1, a cylindrical body 10, a conical body 11, cutting teeth 2, a fishing device 3 and a tripping drill rod 4.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the drilling rod fishing hook device comprises a barrel body 1 and a fishing device 3, wherein the barrel body 1 comprises a cylindrical barrel body 10 and a conical barrel body 11, and one end of the cylindrical barrel body 10 is combined with one end of the conical barrel body 11; the outer surface of the conical cylinder body 11 is distributed with cutting teeth 2; the fishing device 3 is a helical blade arranged on the outer surface of the cylindrical barrel 10, and the tail end of the helical blade is a hook.
Example one
Taking the tripping drill rod 4 as a core drill rod as an example, the tail part (the other end of the cylindrical barrel 10) of the salvaging hook device is connected with the construction drill rod (the core drill rod), and the whole salvaging judgment process adopts manual operation:
connecting a construction drill rod by using a deflection hook device, installing a salvaging deflection hook device, leading a hook head to face 12 o ' clock direction, leading the hook head to be marked on the outer wall of the drill rod and be consistent with the hook head before pushing the drill rod into a hole, continuously marking the outer wall of the drill rod in the pushing process of the drill rod, ensuring that the mark inside the hole and the mark outside the hole are on the same straight line, hearing collision sound (' pop ') of the deflection hook and a tripping drill rod 4 when the drill rod is pushed to a tripping position by using free tongs, sending the drill rod to the tripping position, marking the position by using chalk, hearing ' bump ' hooking sound of the tripping drill rod 4 if the drill rod is manually rotated for a half circle, and indicating that the deflection hook does not completely sleeve the drill rod or the deflection hook and; the drilling rod needs to be pushed inwards for 0.1-0.5m continuously until the force of manual rotation is gradually increased, and when the springback phenomenon exists, the inclined hooks are proved to completely sleeve the tripping drill rod 4, the length of the drill rod outside the hole and the hooking position of the inclined hooks are marked by chalk, the tripping position can be calculated, the hooking position mark can be used for seeing the position in the direction of a few o 'clock or the direction deviating from 12 o' clock, and the spatial position of the tripping drill rod 4 in the hole can be accurately analyzed.
Further, the helical blades are arranged in a helical hook shape clockwise outwards at the joint (slope point) of the cylindrical barrel 10 and the conical barrel 11.
Further, the taper of the cone is 7 degrees.
Further, the cylinder body 1 is of an integrated structure; of course, the cylindrical barrel 10 and the conical barrel 11 are separate structures, and are joined by welding or the like.
Further, the cylinder 1 is a hollow cylinder.
Further, the material of the cylinder 1 is alloy steel.
Further, the other end of the cylindrical barrel 10 is provided with threads, which facilitates connection.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (7)
1. The utility model provides a drilling rod is salvaged and is hooked device which characterized in that: the fishing device comprises a barrel body (1) and a fishing device (3), wherein the barrel body (1) comprises a cylindrical barrel body (10) and a conical barrel body (11), and one end of the cylindrical barrel body (10) is combined with one end of the conical barrel body (11); the outer surface of the conical cylinder body (11) is distributed with cutting teeth (2); the fishing device (3) is a helical blade arranged on the outer surface of the cylindrical barrel (10), and the tail end of the helical blade is a hook.
2. The drill pipe fishing hook device according to claim 1, wherein: the helical blades are arranged in a helical hook shape outwards and clockwise at the joint of the cylindrical barrel (10) and the conical barrel (11).
3. The drill pipe fishing hook device according to claim 1, wherein: the conicity of the conical cylinder body is 7 degrees.
4. The drill pipe fishing hook device according to claim 1, wherein: the cylinder body (1) is of an integrated structure.
5. The drill pipe fishing hook device according to claim 1, wherein: the cylinder body (1) is a hollow cylinder body.
6. The drill pipe fishing hook device according to claim 1, wherein: the barrel (1) is made of alloy steel.
7. The drill pipe fishing hook device according to claim 1, wherein: the other end of the cylindrical barrel (10) is provided with threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204929.7U CN211342855U (en) | 2019-12-11 | 2019-12-11 | Drilling rod fishing hook-deflecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204929.7U CN211342855U (en) | 2019-12-11 | 2019-12-11 | Drilling rod fishing hook-deflecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211342855U true CN211342855U (en) | 2020-08-25 |
Family
ID=72130807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922204929.7U Active CN211342855U (en) | 2019-12-11 | 2019-12-11 | Drilling rod fishing hook-deflecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211342855U (en) |
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2019
- 2019-12-11 CN CN201922204929.7U patent/CN211342855U/en active Active
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