CN211448588U - Drill rod fisher - Google Patents
Drill rod fisher Download PDFInfo
- Publication number
- CN211448588U CN211448588U CN201921424790.0U CN201921424790U CN211448588U CN 211448588 U CN211448588 U CN 211448588U CN 201921424790 U CN201921424790 U CN 201921424790U CN 211448588 U CN211448588 U CN 211448588U
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- rod
- pipe
- sleeve
- threaded sleeve
- sleeved
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Abstract
The utility model discloses drilling rod fisher discloses a cooperation through interior hob and outer hob wraps up the clamping connection to the drilling rod link, and utilizes the gravity of drilling rod to make interior hob and outer hob further tighten up when carrying and drawing, improves and carries the fisher of drawing stability. Through the reducing setting of spring pipe, wrap up the centre gripping to the drilling rod inside and outside wall, stability, parcel nature are better. The connecting pipe is characterized in that one end of a threaded sleeve is connected with one end of a connecting pipe, one end of a conical pipe is connected with the other end of the threaded sleeve, the diameter of the conical pipe is gradually increased from one end to the other end, two expansion joints are symmetrically formed in the conical pipe, one end of each expansion joint is a circular groove, the other end of each expansion joint extends to the end face of the other end of the conical pipe, a limiting ring is sleeved on the connecting pipe and is located at one end of the connecting pipe, a threaded sleeve is sleeved on the threaded sleeve and is in threaded connection with the threaded sleeve, a clamping sleeve is sleeved on the conical pipe, and one end of the clamping sleeve.
Description
Technical Field
The utility model discloses drilling rod fisher relates to a fisher of salvaging the drilling rod that drops, belongs to the mine equipment field. In particular to a fisher which wraps and clamps the connecting end of a drill rod through the matching of an inner spiral rod and an outer spiral rod, and further tightens the inner spiral rod and the outer spiral rod when the fishing rod is lifted by utilizing the gravity of the drill rod, thereby improving the lifting stability.
Background
At present, in occasions such as geological exploration, mining, all need adopt the drilling rod to carry out work, its structure of drilling rod is the tip area screwed body of rod, connects the extension through the screw thread, when using, because the drilling rod needs carry out rotary cutting with drilling, because threaded connection when using, the junction drops often appears, consequently drops easily and need salvage the drilling rod, current salvage the drilling rod difficult and connect the alignment, salvage the success rate and hang down.
No. CN208380541U discloses a drilling rod fisher, include with the same and spiral taper pole of establishing the connection soon with the screw taper hole of screw taper hole tapering, the terminal surface diameter that the spiral taper pole is close to the drilling bottom surface is less than the drilling rod internal diameter, the one end that the drilling bottom surface was kept away from to the spiral taper pole is fixed with the connection pad, be fixed with the guiding tube that is located the spiral taper pole outside and internal diameter are greater than the joint external diameter on the connection pad, the one end that the connection pad is directed against the spiral taper pole is fixed with the connecting rod, and the device connects through awl screw thread and salvages, and the salvage in-process, threaded connection drops easily, needs to carry out the.
The publication number CN108798580A discloses a drill rod fishing device for a horizontal directional drill, which comprises a fishing sleeve, a fishing sleeve mandrel, a clamping mechanism and a rotary fishing mechanism, wherein one end of the fishing sleeve is provided with a drill rod guide inlet, and the drill rod guide inlet is in a bell mouth shape; the fishing barrel core shaft is of a hollow structure matched with the drill rod, one end of the fishing barrel core shaft is positioned in the fishing sleeve and connected with the drill rod guide inlet, and the other end of the fishing barrel core shaft penetrates through one end far away from the drill rod guide inlet and is connected with the drilling machine; the clamping mechanism is arranged on the inner wall of the fishing sleeve and used for clamping the drill rod, and comprises a plurality of movable clamping tongues which are arranged on the inner wall of the fishing sleeve in a surrounding manner and can stretch out and draw back along the radial direction of the fishing sleeve; it includes a plurality of arc blades to drag for the mechanism soon, a plurality of arc blades set up in the outside of drilling rod direction import can advance with the drilling rod telescope in the salvage sleeve, the device structure is complicated, and is simple to the salvage centre gripping action of drilling rod, and poor stability can not carry out cyclic annular parcel.
Publication number CN203347721U discloses a retractable drill rod overshot, which comprises an outer sleeve and a fishing mechanism arranged in the outer sleeve; the fishing mechanism comprises a fishing claw (1), a track pipe (2), a pushing spring (3) and a reversing pin (4); the upper end of the salvaging claw (1) is connected with the lower end of the trace pipe (2) through a ball (5); the lower end of the propelling spring (3) is supported in the track pipe (2); the track pipe (2) is provided with a long sliding chute and a short sliding chute; one end of the reversing pin (4) is fixedly connected with the outer sleeve, and the other end of the reversing pin is a free end; the free end of the reversing pin (4) is matched with the long sliding groove to finish the fishing action; the free end of the reversing pin (4) is matched with the short chute to finish the action of retreating the drill rod; the device is connected through the screw thread, because the dropout of drilling rod is mainly because the wearing and tearing of screw thread, therefore when connecting, intensity is relatively poor.
Disclosure of Invention
In order to improve the condition, the utility model discloses drilling rod fisher provides one kind and wraps up the clamp connection through the cooperation of interior hob and outer hob to the drilling rod link, and utilizes the gravity of drilling rod to make interior hob and outer hob further tighten up when carrying and drawing, improves and carries the fisher of pulling stability. Through the reducing setting of spring pipe, wrap up the centre gripping to the drilling rod inside and outside wall, stability, parcel nature are better.
The utility model discloses drilling rod fisher realizes like this: the utility model relates to a drill rod fisher, which comprises a connecting pipe, a limiting ring, a screw sleeve, a spring pipe, a guide rod, a clamping sleeve pipe, a screw sleeve, a rising seam, a conical pipe, a connecting rod, an outer screw rod and an inner screw rod, wherein one end of the screw sleeve is connected with one end of the connecting pipe, one end of the conical pipe is connected with the other end of the screw sleeve, the diameter of the conical pipe is gradually increased from one end to the other end, two rising seams are symmetrically arranged on the conical pipe, one end of the rising seam is a circular groove, the other end of the rising seam extends to the end surface of the other end of the conical pipe, the limiting ring is sleeved on the connecting pipe and is positioned at one end of the connecting pipe, the screw sleeve is sleeved on the screw sleeve and is screwed with the screw sleeve, the clamping sleeve pipe is sleeved on the conical pipe, one end of the clamping sleeve pipe is connected with the screw sleeve, the spring sleeve is, the spring tube is composed of two spiral rods which are symmetrically distributed, one ends of the two spiral rods are connected through a connecting rod, the connecting rod penetrates through a circular groove at one end of each expansion joint, the diameter of the lower portion of one of the spiral rods is gradually increased from top to bottom to form an outer spiral rod, the diameter of the lower portion of the other spiral rod is gradually decreased from top to bottom to form an inner spiral rod, a clamping cavity is arranged between the inner spiral rod and the outer spiral rod, a guide rod is arranged at one end of the outer spiral rod, a rubber pad is arranged on the surface of the inner spiral rod, and a circle of anti-skidding teeth are arranged on the inner side wall of the.
Has the beneficial effects.
The inner wall and the outer wall of the drill rod are wrapped and clamped through the reducing arrangement of the spring tube, and the stability and the wrapping performance are better.
And secondly, the clamping degree of the drill rod can be improved through the radial contraction of the tension of the spring.
And thirdly, the spring pipes with different diameters can be replaced, and the drill pipe fishing tool is suitable for fishing drill pipes with different diameters.
Fourthly, the structure is simple, and the cost is low.
Drawings
FIG. 1 is a three-dimensional structure diagram of a drill rod fisher of the present invention;
FIG. 2 is a schematic structural view of a drill rod fisher of the present invention;
FIG. 3 is a perspective view of a spring tube of the drill rod fisher of the present invention;
fig. 4 is a bottom view of the spring tube of the drill rod fisher of the present invention.
In the attached drawings
Wherein the method comprises the following steps: the connecting pipe 1, spacing ring 2, spiro union cover 3, spring pipe 4, guide bar 5, cutting ferrule pipe 6, thread bush 7, seam 8 rises, conical duct 9, connecting rod 10, outer hob 11, interior hob 12.
The specific implementation mode is as follows:
the utility model relates to a drill rod fisher, which is composed of a connecting pipe 1, a limiting ring 2, a screw sleeve 3, a spring pipe 4, a guide rod 5, a cutting sleeve pipe 6, a thread sleeve 7, a rising seam 8, a conical pipe 9, a connecting rod 10, an outer spiral rod 11 and an inner spiral rod 12, wherein one end of the thread sleeve 7 is connected with one end of the connecting pipe 1, one end of the conical pipe 9 is connected with the other end of the thread sleeve 7, the diameter of the conical pipe 9 is gradually increased from one end to the other end, two rising seams 8 are symmetrically arranged on the conical pipe 9, one end of the rising seam 8 is a circular groove, the other end of the rising seam 8 extends to the end face of the other end of the conical pipe 9, the limiting ring 2 is sleeved on the connecting pipe 1 and is positioned at one end of the connecting pipe 1, the screw sleeve 3 is sleeved on the thread sleeve 7 and is in bolt connection with the thread sleeve 7, the pipe 6 is sleeved on the conical pipe 9, the spring tube 4 is sleeved on the conical tube 9 and located between the clamping sleeve 6 and the conical tube 9, the spring tube 4 is of a double-spiral structure, the spring tube 4 is composed of two spiral rods which are symmetrically distributed, one ends of the two spiral rods are connected through a connecting rod 10, the connecting rod 10 penetrates through a circular groove at one end of each of two expansion joints 8, the diameter of the lower portion of one of the spiral rods is gradually increased from top to bottom to form an outer spiral rod 11, the diameter of the lower portion of the other spiral rod is gradually decreased from top to bottom to form an inner spiral rod 12, a clamping cavity is arranged between the inner spiral rod 12 and the outer spiral rod 11, one end of the outer spiral rod 11 is provided with the guide rod 5, the surface of the outer spiral rod 11 is provided with a rubber pad, the surface of the inner spiral rod 12 is provided with a rubber pad, and a circle of anti-skid teeth.
When the fishing tool is used, when a drill rod is fished, the connecting pipe 1 is connected with an external drilling machine, the drilling machine drives the fishing tool to rotate, the guide rod 5 guides in the rotating process, the inner spiral rod 12 and the outer spiral rod 11 gradually screw the connecting end of the drill rod into the clamping cavity, the inner spiral rod 12 and the outer spiral rod 11 are matched to wrap and clamp the inner wall and the outer wall of the drill rod, when the drill rod is pulled, the inner spiral rod 12 and the outer spiral rod 11 are pulled downwards by the self gravity of the drill rod, the inner spiral rod 12 and the outer spiral rod 11 are tightened by a tensile force, the drill rod is further clamped and fixed, and the pulling is more stable;
according to drill rods with different diameters, the clamping sleeve pipe can be moved upwards by rotating the screw connection sleeve 3, the spring pipe 4 is loosened, and then the spring pipe 4 with the corresponding size is replaced;
the diameter of the conical tube 9 is gradually increased from one end to the other end, and the conical tube can be matched with a clamping sleeve to gradually clamp and fix the spring tube 4;
the rubber pad is arranged on the surface of the outer screw rod 11, and the rubber pad is arranged on the surface of the inner screw rod 12, so that the rubber pad can be tightly attached to the drill rod when the drill rod is lifted, pulled and tightened, the friction force between the drill rod and the rubber pad is further increased, and the wrapping and clamping effect is further improved;
the inner side wall of the cutting sleeve is provided with a circle of anti-skidding teeth, so that the friction force between the cutting sleeve and the spring tube 4 can be increased, and the spring tube 4 can be clamped and fixed better;
the purposes that the connection end of the drill rod is wrapped and clamped through the matching of the inner spiral rod 12 and the outer spiral rod 11, the inner spiral rod 12 and the outer spiral rod 11 are further tightened when the drill rod is lifted by utilizing the gravity of the drill rod, and the lifting stability is improved are achieved.
It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (5)
1. The utility model provides a drilling rod fisher which characterized by: the pipe joint comprises a connecting pipe, a limiting ring, a screwed sleeve, a spring pipe, a guide rod, a clamping sleeve pipe, a threaded sleeve, an expansion joint, a conical pipe, a connecting rod, an outer spiral rod and an inner spiral rod, wherein one end of the threaded sleeve is connected with one end of the connecting pipe, one end of the conical pipe is connected with the other end of the threaded sleeve, the diameter of the conical pipe is gradually increased from one end to the other end, two expansion joints are symmetrically arranged on the conical pipe, one end of each expansion joint is a circular groove, the other end of each expansion joint extends to the end face of the other end of the conical pipe, the limiting ring is sleeved on the connecting pipe and is positioned at one end of the connecting pipe, the screwed sleeve is sleeved on the threaded sleeve and is screwed with the threaded sleeve, the clamping sleeve pipe is sleeved on the conical pipe, one end of the clamping sleeve pipe is connected with the screwed sleeve, the spring pipe is sleeved on the conical pipe and is positioned between the clamping sleeve pipe and the, and one ends of the two spiral rods are connected through a connecting rod, the connecting rod penetrates through the circular grooves at one ends of the two expansion joints, the diameter of the lower part of one of the spiral rods is gradually increased from top to bottom to form an outer spiral rod, the diameter of the lower part of the other spiral rod is gradually decreased from top to bottom to form an inner spiral rod, and a clamping cavity is arranged between the inner spiral rod and the outer spiral rod.
2. The drill rod fisher according to claim 1, wherein a guide rod is arranged at one end of the external screw rod.
3. The drill rod fisher according to claim 1 or 2, wherein the outer spiral rod is provided with a rubber pad on the surface.
4. The drill rod fisher according to claim 1, wherein the surface of the inner spiral rod is provided with a rubber pad.
5. The drill rod fisher according to claim 1, wherein a circle of anti-slip teeth are arranged on the inner side wall of the cutting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424790.0U CN211448588U (en) | 2019-08-30 | 2019-08-30 | Drill rod fisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424790.0U CN211448588U (en) | 2019-08-30 | 2019-08-30 | Drill rod fisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211448588U true CN211448588U (en) | 2020-09-08 |
Family
ID=72297433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921424790.0U Expired - Fee Related CN211448588U (en) | 2019-08-30 | 2019-08-30 | Drill rod fisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211448588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498242A (en) * | 2023-06-28 | 2023-07-28 | 胜利油田东方实业投资集团有限责任公司 | Fishing device for oil well operation |
-
2019
- 2019-08-30 CN CN201921424790.0U patent/CN211448588U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498242A (en) * | 2023-06-28 | 2023-07-28 | 胜利油田东方实业投资集团有限责任公司 | Fishing device for oil well operation |
| CN116498242B (en) * | 2023-06-28 | 2023-08-29 | 胜利油田东方实业投资集团有限责任公司 | Fishing device for oil well operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200910 Address after: No.8, jijiadian Industrial Park, Bayu Town, high tech Development Zone, Baoji City, Shaanxi Province 721000 Patentee after: Baoji beishide Petroleum Technology Co.,Ltd. Address before: 221000 Dongfeng East Road, Peixian, Xuzhou, Jiangsu 16 Patentee before: Hu Shumei |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20210830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |