CN212003103U - Offshore oil production platform deck well head cover plate with locking and positioning functions - Google Patents
Offshore oil production platform deck well head cover plate with locking and positioning functions Download PDFInfo
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- CN212003103U CN212003103U CN202020517150.0U CN202020517150U CN212003103U CN 212003103 U CN212003103 U CN 212003103U CN 202020517150 U CN202020517150 U CN 202020517150U CN 212003103 U CN212003103 U CN 212003103U
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Abstract
The utility model provides an offshore oil production platform deck well head apron with locking and locate function, include: a small cover plate and a large cover plate; the small cover plate is arranged on the large cover plate, and the connecting parts of the small cover plate and the left side and the right side of the large cover plate are respectively welded with a chain; the left and right symmetrical ends of the large cover plate are respectively welded with a pin lug, a through hole is formed in the pin lug, and a locking pin is arranged in the through hole in a penetrating mode; a through hole is formed on the locking pin and is used for the stop pin to penetrate through; two bolt hole seats are welded at the central part of the small cover plate at equal intervals, and bolts are installed in the bolt hole seats and used for hoisting the small cover plate; four corner ends of the large cover plate are respectively welded with four bolt hole seats, and bolts are arranged in the bolt hole seats and used for hoisting the large cover plate; the risk that personnel step on empty and fall because of recovering not in place after can avoiding well head cover plate to open, it is firm to ensure that well head cover plate covers, improves construction safety.
Description
Technical Field
The utility model belongs to the technical field of oil engineering, especially, relate to an offshore oil production platform deck well head apron with locking and locate function.
Background
During the offshore oil drilling and repairing operation, a wellhead protective fence/a lifting riser/a blowout preventer/a Christmas tree and the like are required to be installed in a deck wellhead area (comprising an upper deck and a middle deck), the operation belongs to the operation of a barrel mouth near the side, and the falling risk is high. At present, offshore oil production platform deck wellhead cover plate lacks locking and positioning device, and field personnel can open at will, and resume not to locate to be difficult for the inspection discovery after the operation, easily take place to step on the sky when the re-operation and fall, cause the casualties malignant accident.
In recent years, many operating personnel step on the air from the wellhead area of the offshore oil production platform deck to fall to cause casualty accidents at home and abroad, the operation of exposing the wellhead area from these accident events becomes a great safety challenge, two problems of intrinsic safety and operation management exist, along with the continuous increase of the drilling and repairing operation amount, the operation frequency of the wellhead area is very high and high attention must be paid, so that research and improvement on the existing wellhead cover plate structure are urgently needed, the well cover plate is ensured to be firmly covered, and the operation safety of the wellhead area is ensured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an offshore oil production platform deck well head apron with locking and locate function to solve and avoid the well head board to open the back and resume not in place and lead to personnel to step on empty risk of falling, it is firm to ensure that the well head board covers, improves the technical problem of construction safety nature.
In order to achieve the above object, the utility model discloses an offshore oil production platform deck well head apron with locking and locate function's concrete technical scheme as follows:
an offshore production platform deck well head cover with locking and positioning functions, comprising: a small cover plate and a large cover plate; the small cover plate is arranged on the large cover plate, and the connecting parts of the small cover plate and the left side and the right side of the large cover plate are respectively welded with a chain; the left and right symmetrical ends of the large cover plate are respectively welded with a latch lug, a through hole is formed in the latch lug, and a locking pin is arranged in the through hole in a penetrating way and positioned; a through hole is arranged on the locking pin and is used for the stop pin to penetrate through; two bolt hole seats are welded at the central part of the small cover plate at equal intervals, and bolts are installed in the bolt hole seats and used for hoisting the small cover plate; four corner ends of the large cover plate are respectively welded with four bolt hole seats, and bolts are arranged in the bolt hole seats for hoisting the large cover plate.
The offshore production platform deck wellhead cover plate with the locking and positioning functions is characterized in that the small cover plate is a circular metal plate, a circular first retaining edge made of metal materials is welded at a position, close to the circumferential edge, of the bottom surface of the circular metal plate, the height of the first retaining edge is 3-5 centimeters, and the distance from the outer side of the first retaining edge to the edge of the small cover plate corresponds to the thickness of a second retaining edge arranged on the large cover plate; the large cover plate is a square metal plate body, a circular second flange made of metal is welded at the center of the upper end face of the square metal plate body, the height of the second flange is 3-5 centimeters, the thickness of the second flange corresponds to the distance between the outer side of the first flange and the edge of the small cover plate, the inner diameter of the second flange corresponds to the outer diameter of the first flange, the first flange of the small cover plate is installed in the second flange of the large cover plate, and the outer side of the first flange of the small cover plate and the inner side of the second flange of the large cover plate form clearance fit to fix the small cover plate and the large cover plate.
The offshore production platform deck wellhead cover plate with the locking and positioning functions is characterized in that the left and right symmetrical ends of the large cover plate are respectively welded with the bolt lugs and are arranged on the outer side of the second retaining edge; one end of the chain is welded on the outer side of the small cover plate, the other end of the chain is welded on the pin lug positioned on the outer side of the second stop edge of the large cover plate, and the length of the chain is 10-15 centimeters.
In the offshore oil production platform deck wellhead plate with the locking and positioning functions, the bolt hole seat is two horizontally arranged round hollow cylinders made of the same metal material and corresponding to each other, and two ends of the bolt are respectively inserted into the cylinders for fixing.
The utility model discloses an offshore oil production platform deck well head apron with locking and locate function has following advantage: effectively overcome well head cover plate and restore the risk problem that not in place leads to personnel to step on empty falling after opening, ensure that well head cover plate covers firmly, improve the safety in utilization.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the overall structure of the present invention.
Fig. 3 is an enlarged view of the structure shown at a in fig. 2.
The main reference numbers in the figures illustrate: 1 small cover plate, 2 chains, 3 locking pins, 4 large cover plates, 5 bolt lugs, 6 bolt hole seats, 7 bolts and 8 stop pins.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings for the offshore oil production platform deck well cover plate with locking and positioning functions.
As shown in fig. 1, the utility model discloses offshore production platform deck well head apron with locking and locate function, it includes: a small cover plate 1 and a large cover plate 4; the small cover plate 1 is arranged on the large cover plate 4, and the connecting parts of the small cover plate 1 and the left side and the right side of the large cover plate 4 are respectively welded with a chain 2; the left and right symmetrical ends of the large cover plate are respectively welded with a latch lug 5, the latch lug 5 is provided with a through hole, and the through hole is used for the penetration positioning of the locking pin 3; the locking pin 3 is provided with a through hole through which a stop pin 8 passes; two bolt hole seats 6 are welded at the central part of the small cover plate 1 at equal intervals, and bolts 7 are arranged in the bolt hole seats 6 and used for hoisting the small cover plate 1; four bolt hole seats 6 are respectively welded at four corner ends of the large cover plate 4, and bolts 7 are installed in the bolt hole seats 6 for hoisting the large cover plate 4.
As shown in fig. 1, 2 and 3, the offshore oil production platform deck wellhead plate with locking and positioning functions of the present invention is characterized in that the small cover plate 1 is a circular metal plate, a circular first rib made of metal material is welded at a position near the circumferential edge of the bottom surface of the circular metal plate, the height of the first rib is 3 to 5 centimeters, and the distance from the outer side of the first rib to the edge of the small cover plate corresponds to the thickness of a second rib provided on the large cover plate; the big cover plate 4 is a square metal plate body, a circular second flange made of metal is welded at the center of the upper end face of the square metal plate body, the height of the second flange is 3-5 centimeters, the thickness of the second flange corresponds to the distance between the outer side of the first flange and the edge of the small cover plate, the inner diameter of the second flange corresponds to the outer diameter of the first flange, the first flange of the small cover plate 1 is installed in the second flange of the big cover plate 4, and the outer side of the first flange of the small cover plate 1 and the inner side of the second flange of the big cover plate 4 form clearance fit to fix the small cover plate and the big cover plate. The left and right symmetrical ends of the large cover plate 4 are respectively welded with a bolt lug 5 which is arranged outside the second baffle; one end of the chain is welded on the outer side of the small cover plate 1, the other end of the chain is welded on the bolt ear 5 positioned on the outer side of the second stop edge of the large cover plate 4, and the length of the chain is 10 to 15 centimeters. The bolt hole seat 6 is two horizontally arranged round hollow cylinders made of the same metal material and used for inserting and fixing two ends of the bolt 7 into the cylinders respectively.
As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses when the offshore production platform deck well head cover plate with locking and locate function uses, its operating procedure is as follows: 1. a pneumatic winch or a crane hoists four bolts 7 on the large cover plate 4, and the large cover plate is installed at a position of a deck of a corresponding notch of the oil production platform; 2. an operator grasps the two bolts 7 on the small cover plate 1 to cover the small cover plate 1 on the large cover plate 4, the bolt lugs 5 are mainly used for the penetration positioning of the locking pins 3, when the installation angle of the small cover plate 1 is too large different from the original position, the locking pins 3 cannot penetrate into the bolt lugs 5 due to the limited length of the chain 2, and the installation is failed; 3. the stop pin 8 is inserted into the locking pin 3 to prevent the locking pin 3 from slipping out of the bolt ear 5, once slipping out, the position of the small cover plate 1 can be freely moved, and the locking function is disabled. The utility model discloses an increased the locking device who comprises backing pin, stop pin, bolt ear on the basis of original well head big lid to and the positioner who comprises stop pin, bolt ear, chain, make well head cover plate mounted position accurate firm, and difficult removal dislocation, thereby overcome well head cover plate and open the back and resume not in place and lead to personnel to step on empty risk of falling, improve the safety in utilization.
The content that is not described in this embodiment is the prior art, and therefore, the description thereof is omitted.
The utility model has the advantages and positive effects that: 1. the utility model has reasonable and simple structure and convenient processing; 2. increased the backing pin on little apron, stop pin and chain, increase the bolt ear on big apron, the backing pin, the stop pin, the locking and the positioner of the big lid of well head have been constituteed to chain and bolt ear, the backing pin inserts the stop pin, prevent that the stop pin from following the bolt ear slippage, it is effective to guarantee to lock, when chain and stop pin installation direction correspond with bolt ear place direction, just can guarantee that the stop pin penetrates the bolt ear, thereby realize locate function, locking and positioner's existence, it is firm to ensure that well head cover board covers, guarantee well mouth area operation safety. 3. The universality is strong, and the use effect is ideal.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (4)
1. The utility model provides an offshore production platform deck well head apron with locking and locate function which characterized in that includes: a small cover plate (1) and a large cover plate (4); the small cover plate (1) is arranged on the large cover plate (4), and the joints of the small cover plate (1) and the left side and the right side of the large cover plate (4) are respectively welded with a chain (2); the left and right symmetrical ends of the large cover plate are respectively welded with a latch lug (5), the latch lug (5) is provided with a through hole, and the through hole is used for the penetration positioning of a locking pin (3); the locking pin (3) is provided with a through hole through which a stop pin (8) passes; two bolt hole seats (6) are welded at the central part of the small cover plate (1) at equal intervals, and bolts (7) are installed in the bolt hole seats (6) and used for hoisting the small cover plate (1); four corner ends of the large cover plate (4) are respectively welded with four bolt hole seats (6), and bolts (7) are installed in the bolt hole seats (6) and used for hoisting the large cover plate (4).
2. The offshore production platform deck well head cover plate with locking and positioning functions as claimed in claim 1, wherein the small cover plate (1) is a circular metal plate, a circular first rib made of metal is welded to the position of the bottom surface of the circular metal plate, which is close to the circumferential edge, the height of the first rib is 3 to 5 centimeters, and the distance from the outer side of the first rib to the edge of the small cover plate corresponds to the thickness of a second rib arranged on the large cover plate; the large cover plate (4) is a square metal plate, a circular second rib made of metal is welded at the center of the upper end face of the square metal plate, the height of the second rib is 3-5 centimeters, the thickness of the second rib corresponds to the distance between the outer side of the first rib and the edge of the small cover plate, the inner diameter of the second rib corresponds to the outer diameter of the first rib, the first rib of the small cover plate (1) is installed in the second rib of the large cover plate (4), and the outer side of the first rib of the small cover plate (1) and the inner side of the second rib of the large cover plate (4) form clearance fit to fix the small cover plate and the large cover plate.
3. The offshore production platform deck well head cover plate with locking and positioning functions as claimed in claim 1, wherein the bolt lugs (5) welded at the left and right symmetrical ends of the large cover plate are arranged outside the second flange; one end of the chain is welded on the outer side of the small cover plate (1), the other end of the chain is welded on the bolt lug (5) positioned on the outer side of the second stop edge of the large cover plate (4), and the length of the chain is 10 to 15 centimeters.
4. The offshore oil production platform deck well head cover plate with locking and positioning functions as claimed in claim 1, wherein the pin hole seat (6) is two horizontally arranged round hollow cylinders made of the same metal material and corresponding to each other, and two ends of the pin (7) are respectively inserted into the cylinders for fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020517150.0U CN212003103U (en) | 2020-04-10 | 2020-04-10 | Offshore oil production platform deck well head cover plate with locking and positioning functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020517150.0U CN212003103U (en) | 2020-04-10 | 2020-04-10 | Offshore oil production platform deck well head cover plate with locking and positioning functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212003103U true CN212003103U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020517150.0U Expired - Fee Related CN212003103U (en) | 2020-04-10 | 2020-04-10 | Offshore oil production platform deck well head cover plate with locking and positioning functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212003103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236174A (en) * | 2021-06-04 | 2021-08-10 | 中海石油(中国)有限公司 | Down-inserting type limiting well lid and preparation method thereof |
-
2020
- 2020-04-10 CN CN202020517150.0U patent/CN212003103U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236174A (en) * | 2021-06-04 | 2021-08-10 | 中海石油(中国)有限公司 | Down-inserting type limiting well lid and preparation method thereof |
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| 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: 20201124 Termination date: 20210410 |