CN214221136U - Casing hanger for oil well drill rod - Google Patents
Casing hanger for oil well drill rod Download PDFInfo
- Publication number
- CN214221136U CN214221136U CN202023208275.4U CN202023208275U CN214221136U CN 214221136 U CN214221136 U CN 214221136U CN 202023208275 U CN202023208275 U CN 202023208275U CN 214221136 U CN214221136 U CN 214221136U
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- rotating wheel
- rod
- drill rod
- eccentric
- shackle
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Abstract
The utility model discloses a casing hanger for oil well drilling rod, including sleeve pipe, first connecting seat, eccentric runner, recess, bull stick, second connecting seat, traction cable, shackle, connecting cable, grip block, connecting plate, fastening screw. The utility model has the advantages that: the lower half part of the eccentric rotating wheel is positioned in the groove, and a gap is reserved between the eccentric rotating wheel and the groove, so that the eccentric rotating wheel can rotate outwards, and a sleeve can be conveniently put in a proper position from the lower part of the upper end of the drill rod; the shackle and the rotating rod are in a triangular connecting mechanism through the traction steel cable, and when the shackle is lifted upwards, the eccentric rotating wheel is driven to rotate inwards to clamp the drill rod, so that the drill rod can be lifted; a plurality of convex fixture blocks are arranged on the eccentric rotating wheel, so that the friction force between the eccentric rotating wheel and the rod body of the drill rod is improved; the grip blocks of drilling rod both sides are in the same place through screwing up fastening screw and drilling rod fixed connection, and it is tentatively fixed to hang this sleeve pipe, when guaranteeing to hoist the shackle, can drive eccentric runner and inwards rotate until pressing from both sides tight drilling rod.
Description
Technical Field
The utility model relates to a casing hanger specifically is a casing hanger for oil well drilling rod, belongs to oil development equipment technical field.
Background
When carrying out the oil well drilling, need use the drilling rod to bore and move, and the drilling rod that drills into the well still need take out, current mode of taking out often is fixed on the drilling rod through using the mounting, then hoist this mounting through the crane, in order to take out the drilling rod from the well drilling, but to the connection of mounting, if the junction is insecure, when hoisting the mounting, can cause the breaking away from of mounting and drilling rod spare, can't realize hoisting the drilling rod, and in order to ensure the fastness of mounting and drilling rod connection, need tightly connect the drilling rod on the drilling rod, be inconvenient again to take off the mounting like this, great trouble has been taken for operating personnel, simultaneously in order to install the mounting on the drilling rod pole body firmly, also need operating personnel to spend great strength and time, seriously influence the efficiency of construction.
Based on this, the present application proposes a casing hanger for an oil well drill pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a casing hanger for oil well drilling rod for the solution problem just.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a casing hanger for an oil well drill rod comprises a casing, an eccentric rotating wheel and a clamping plate; the sleeve pipe is used for the cover to establish at the pole of drilling rod body, the sheathed tube both sides are seted up flutedly, the fixed welding in top that the recess was seted up to the sleeve pipe has first connecting seat, rotate through the pivot in the first connecting seat and be connected with eccentric runner, welded fastening has the bull stick on the eccentric runner, the tail end of bull stick is provided with the second connecting seat, the bull stick passes through the traction cable and is connected with the shackle that is located the sleeve pipe top, just the one end fixed connection of traction cable is on the second connecting seat, the other end of traction cable is tied up on the shackle, the sheathed tube below is connected with the grip block through connecting cable, the both ends of grip block are provided with the connecting plate, the grip block passes the connecting plate that both ends set up through fastening screw and connects.
As a further aspect of the present invention: the lower half part of the eccentric rotating wheel is positioned in the groove, and a gap is reserved between the eccentric rotating wheel and the groove.
As a further aspect of the present invention: the shackle and the rotating rod form a triangular connecting mechanism through a traction steel cable.
As a further aspect of the present invention: a plurality of protruding clamping blocks are arranged on the eccentric rotating wheel.
As a further aspect of the present invention: the clamping plates on the two sides of the drill rod are fixedly connected with the drill rod through tightening the fastening screw rods.
As a further aspect of the present invention: the clamping plate is arc-shaped plate-shaped.
The utility model has the advantages that: the casing hanger for the oil well drill rod is reasonable in design, the lower half part of the eccentric rotating wheel is positioned in the groove, a gap is reserved between the eccentric rotating wheel and the groove, and the eccentric rotating wheel can rotate outwards so as to enable the casing to be convenient to rotate to a proper position from the lower part of the upper end of the drill rod; the shackle and the rotating rod are in a triangular connecting mechanism through the traction steel cable, when the shackle is lifted upwards, the rotating rod is driven to rotate upwards, and then the eccentric rotating wheel is driven to rotate inwards to clamp the drill rod, so that the drill rod can be lifted; a plurality of convex fixture blocks are arranged on the eccentric rotating wheel, so that the friction force between the eccentric rotating wheel and the rod body of the drill rod is improved; the clamping plates on the two sides of the drill rod are fixedly connected with the drill rod through tightening the fastening screw rods, and the casing hanger is preliminarily fixed so as to ensure that the eccentric rotating wheel can be driven to rotate inwards until the drill rod is clamped when the shackle is hoisted; the clamping plate is arc-shaped and is attached to the rod body of the drill rod, so that the connection firmness is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic diagram of the structure of the clamping plate of the present invention.
In the figure: 1. the sleeve pipe, 2, first connecting seat, 3, eccentric runner, 4, recess, 5, bull stick, 6, second connecting seat, 7, traction cable wire, 8, shackle, 9, connection cable wire, 10, grip block, 11, connecting plate and 12, fastening screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.
Referring to fig. 1 to 3, a casing hanger for an oil well drill rod comprises a casing 1, an eccentric runner 3 and a clamping plate 10; the casing 1 is used for being sleeved on the rod body of the drill rod, two sides of the casing 1 are provided with grooves 4, a first connecting seat 2 is fixedly welded above the position of the sleeve 1 provided with the groove 4, an eccentric rotating wheel 3 is rotatably connected in the first connecting seat 2 through a rotating shaft, a rotating rod 5 is welded and fixed on the eccentric rotating wheel 3, the tail end of the rotating rod 5 is provided with a second connecting seat 6, the rotating rod 5 is connected with a shackle 8 positioned above the sleeve 1 through a traction steel cable 7, one end of the traction steel cable 7 is fixedly connected to the second connecting seat 6, the other end of the traction steel cable 7 is tied on the shackle 8, the lower part of the sleeve 1 is connected with a clamping plate 10 through a connecting steel cable 9, two ends of the clamping plate 10 are provided with connecting plates 11, the clamping plates 10 are connected by fastening screws 12 through connecting plates 11 arranged at both ends.
Further, in the embodiment of the present invention, the lower half of the eccentric runner 3 is located in the groove 4, and a gap is left between the eccentric runner 3 and the groove 4, so that the eccentric runner 3 can rotate to the outside, so as to rotate the casing 1 to a proper position from the lower part of the upper end of the drill rod.
Further, in the embodiment of the utility model provides an in, shackle 8 is three horn shape coupling mechanism through traction cable 7 with bull stick 5, when upwards promoting shackle 8, drives bull stick 5 and upwards rotates, and then drives eccentric runner 3 and rotates to the inboard and press from both sides tight drilling rod, and then can hoist the drilling rod.
Furthermore, in the embodiment of the present invention, a plurality of protruding fixture blocks are provided on the eccentric wheel 3, so as to improve the friction between the eccentric wheel and the rod body of the drill rod.
Further, in the embodiment of the present invention, the two sides of the drill rod are fixed to the clamping plate 10 by screwing the fastening screw 12 and the drill rod together, and the casing hanger is preliminarily fixed, so as to ensure that the eccentric runner 3 can be driven to rotate to the inner side until the drill rod is clamped tightly when the shackle 8 is hoisted.
Further, in the embodiment of the present invention, the clamping plate 10 is in an arc plate shape, and is attached to the rod body of the drill rod, so as to ensure the firmness of connection.
The working principle is as follows: when the casing hanger for the oil well drill rod is used, firstly, the casing 1 is put down from the upper end of the drill rod, the casing 1 is sleeved on the drill rod, an operator uses the fastening screw 12 to penetrate through the connecting plate 11, the clamping plate 10 is fixedly connected with the drill rod, the casing hanger is preliminarily fixed, then the shackle 8 is lifted, as the casing hanger is fixed on the drill rod, the shackle 8 can drive the eccentric rotating wheel 3 to rotate inwards until the drill rod is clamped, the drill rod is clamped and fixed by the eccentric rotating wheel 3 at the moment, the hoisting is continued, the clamping force of the eccentric rotating wheel 3 on the drill rod is further increased, the drill rod can be lifted, finally, the hoisted drill rod is horizontally placed, after no force is applied to the eccentric rotating wheel 3, the eccentric rotating wheel 3 is changed from the clamping state to the loosening state, then the clamping plate 10 is loosened, and the casing hanger can be taken down.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A casing hanger for an oil well drill rod comprises a casing (1), an eccentric runner (3) and a clamping plate (10); the method is characterized in that: the drill rod comprises a sleeve (1), a groove (4) is formed in two sides of the sleeve (1), a first connecting seat (2) is fixedly welded above the position, where the groove (4) is formed, of the sleeve (1), an eccentric rotating wheel (3) is rotatably connected in the first connecting seat (2) through a rotating shaft, a rotating rod (5) is fixedly welded on the eccentric rotating wheel (3), a second connecting seat (6) is arranged at the tail end of the rotating rod (5), the rotating rod (5) is connected with a shackle (8) positioned above the sleeve (1) through a traction steel cable (7), one end of the traction steel cable (7) is fixedly connected onto the second connecting seat (6), the other end of the traction steel cable (7) is tied onto the shackle (8), and a clamping plate (10) is connected below the sleeve (1) through a connecting steel cable (9), the clamping plate is characterized in that connecting plates (11) are arranged at two ends of the clamping plate (10), and the clamping plate (10) penetrates through the connecting plates (11) arranged at two ends through fastening screws (12) to be connected.
2. A casing hanger for an oil well drill pipe according to claim 1, characterized in that: the lower half part of the eccentric rotating wheel (3) is positioned in the groove (4), and a gap is reserved between the eccentric rotating wheel (3) and the groove (4).
3. A casing hanger for an oil well drill pipe according to claim 1, characterized in that: the shackle (8) is in a triangular connecting mechanism with the rotating rod (5) through a traction steel cable (7).
4. A casing hanger for an oil well drill pipe according to claim 1, characterized in that: the eccentric rotating wheel (3) is provided with a plurality of protruding clamping blocks.
5. A casing hanger for an oil well drill pipe according to claim 1, characterized in that: the clamping plates (10) on the two sides of the drill rod are fixedly connected with the drill rod through tightening the fastening screw rods (12).
6. A casing hanger for an oil well drill pipe according to claim 1, characterized in that: the clamping plate (10) is arc-shaped plate-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023208275.4U CN214221136U (en) | 2020-12-28 | 2020-12-28 | Casing hanger for oil well drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023208275.4U CN214221136U (en) | 2020-12-28 | 2020-12-28 | Casing hanger for oil well drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221136U true CN214221136U (en) | 2021-09-17 |
Family
ID=77706088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023208275.4U Active CN214221136U (en) | 2020-12-28 | 2020-12-28 | Casing hanger for oil well drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221136U (en) |
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2020
- 2020-12-28 CN CN202023208275.4U patent/CN214221136U/en active Active
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