阅读说明：本技术 一种伸缩钻台立柱中心定位方法 (Method for positioning center of upright column of telescopic drill floor ) 是由 荣晓玲 尹一晓 陈俊安 韩翠萍 杜可普 杨延娟 徐佳娣 刘振义 吴桂峰 徐君臣 于 2018-08-30 设计创作，主要内容包括：本发明属于结构设计制造技术领域,具体涉及一种伸缩钻台立柱中心定位方法设计。利用“三点定心”原理及螺栓的调节和紧固功能,设计上、下立柱中心定位方法,如图1、2在上立柱上、下两端各均布三个螺纹孔,各配三个M12螺栓以进行中心定位。本发明结构简单、操作方便、螺栓可重复使用；实现了上、下立柱的快速、高效中心对正；经产品推广使用,钻台伸缩自如,一次组焊合格率100%。(The invention belongs to the technical field of structural design and manufacture, and particularly relates to a method design for positioning the center of an upright column of a telescopic drill floor. By utilizing the principle of three-point centering and the adjusting and fastening functions of the bolts, the method for centering the upper and lower upright posts is designed, for example, three threaded holes are uniformly distributed at the upper and lower ends of the upper upright post respectively in the figures 1 and 2, and three M12 bolts are respectively matched for centering. The invention has simple structure, convenient operation and reusable bolt; the quick and efficient center alignment of the upper and lower upright columns is realized; after the product is popularized and used, the drill floor can stretch freely, and the one-time assembly welding qualification rate is 100 percent.)

1. A center positioning method for a stand column of a telescopic drill floor is characterized by comprising the following steps: designing a center positioning method of the upper and lower upright posts by utilizing a three-point centering principle and the adjusting and fastening functions of the bolt; three threaded holes are uniformly distributed at the upper end and the lower end of the upper upright post respectively, and three bolts with corresponding specifications are matched to perform center positioning on the upper upright post and the lower upright post.

2. The upper and lower column center positioning method according to claim 1, wherein: designing a center positioning method of the upper and lower upright posts by utilizing a three-point centering principle and the adjusting and fastening functions of the bolt; three or four threaded holes M12-M14 are uniformly distributed along the same circumference at the positions 250-350mm away from the upper end and the lower end of the upper upright post, and three bolts with corresponding specifications are matched for central positioning.

3. The upper and lower column center positioning method according to claim 1, wherein: cutting the upper and lower column materials by a band saw; and processing the pin shaft holes of the upper and lower stand columns and six threaded holes at two ends of the upper stand column, and assembling and welding the guide tube of the lower stand column.

4. The upper and lower column center positioning method according to claim 1, wherein: the lower stand column assembly is subjected to sand blasting and paint spraying, so that the situation that the covering part cannot be prevented from being corroded after the assembly is finished is avoided.

5. The upper and lower column center positioning method according to claim 1, wherein: sleeving an upper upright column and a lower upright column, and penetrating a pin shaft to a transportation position (the maximum overlapping amount of the upright columns); adjusting and screwing the upper and lower six adjusting bolts to align the centers of the upper and lower upright columns, and measuring the distance between the peripheries of the two ends to ensure consistency; assembling and welding the upper and lower upright post components to the upper table body, enabling the angle square to be vertical, and welding seams between the upright posts and the upper table body; the crown block lifts the upper table body and the upright post assembly and is tack-welded to the lower base, the tack welding is firm, and the adjusting bolt is not removed in the assembling and welding process; and (4) dismantling the adjusting bolt, and hoisting the upper platform body by using the crown block to ensure that the welding seam between the upright post and the lower base is completed after the telescopic effect is free and no blocking exists.

Technical Field

The invention belongs to the technical field of structural design and manufacture, and particularly relates to a method design for positioning the center of an upright column of a telescopic drill floor.

Background

At present, the movable vehicle-mounted oil drilling and production equipment is provided with a rotary lifting type drill floor and a telescopic type drill floor, and the two structural forms can meet the integrated high-position operation and low-position transportation functions. According to different use habits of users, the drill floor in the two forms has more applications. For the telescopic drill floor, the coaxiality of the upper and lower upright posts is directly related to the telescopic lifting of the drill floor. However, in the manufacturing process, the coaxiality of the upper stand column and the lower stand column of the telescopic drill floor is not easy to guarantee, so that telescopic blocking and reworking are caused, and the production quality and the progress and even the use function are influenced.

Disclosure of Invention

In order to solve the problems, a method for positioning the centers of the upper and lower upright columns of the telescopic drill floor is provided. Not only can improve the one-time handing inspection qualification rate of the assembly welding of the upright post of the telescopic drill floor and improve the production efficiency, but also can avoid reworking and improve the product quality.

The invention is realized by the following technical scheme:

1. the design of the center positioning method of the drill floor stand column comprises the following steps:

by utilizing a three-point centering principle and the adjusting and fastening functions of the bolts, a method for positioning the centers of the upper and lower upright posts is designed, three M12 threaded holes are uniformly distributed at the positions of 250-350mm and 350mm of the upper and lower ends of the upper upright post along the same circumference, and three M12 bolts are respectively matched for positioning the centers;

2. the center positioning method of the drill floor stand column comprises the following steps:

1) cutting the upper and lower column materials by a band saw;

2) processing pin shaft holes of the upper and lower stand columns and six M12 threaded holes at two ends of the upper stand column, and assembling and welding a guide tube of the lower stand column;

3) the lower upright post component is subjected to sand blasting and paint spraying, so that the situation that the covered part cannot be prevented from being corroded after being sleeved is avoided;

4) sleeving an upper upright column and a lower upright column, and penetrating a pin shaft to a transportation position (maximum overlapping amount);

5) adjusting and screwing up the upper M12 adjusting bolt and the lower M12 adjusting bolt to align the centers of the upper upright post and the lower upright post, and measuring the distance between the peripheries of the two ends to ensure consistency;

6) the upper stand column assembly and the lower stand column assembly are welded to the upper table body, welding seams between the stand columns and the upper table body are welded, the upper table body and the stand column assemblies are hoisted by the crown block to be welded to the lower base in a positioning mode, and positioning welding is firm. The adjusting bolt is not detached in the assembling and welding process;

7) and (4) dismantling the bolts, and hoisting the upper platform body by using the crown block to ensure that the welding seam between the upright post and the lower base is completed after the telescopic effect is free and no blocking exists.

The method for positioning the center of the upright post of the telescopic drill floor has the advantages that:

1. the structure is simple, the operation is convenient, and the bolt can be repeatedly used;

2. the quick and efficient center alignment of the upper and lower upright columns is realized;

3. after the product is popularized and used, the drill floor can stretch freely, and the one-time assembly welding qualification rate is 100 percent.

Drawings

Specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

FIG. 1 is a schematic view of a telescoping drill floor in a working position.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a schematic view of the transport position of the telescopic drill floor.

Fig. 4 is a left side view of fig. 3.

Fig. 5 is a schematic view of a method for centering a column.

Fig. 6 is a left side view of fig. 5.

Detailed Description

Referring to fig. 1 and 2, which are schematic diagrams of the working and transportation positions of the telescopic drill floor, the upper table body of the procedure 1 and the upper upright post of the procedure 2 are assembled and welded into a whole, and the lower base of the procedure 5 and the lower upright post of the procedure 4 are assembled and welded into a whole. The upper upright column in the sequence 2 and the lower upright column in the sequence 4 are sleeved together and are connected by the support pin in the sequence 3. When the device works, the support pin in the sequence 3 is connected with the pin holes in the upper part of the upright column in the sequence 2 and the pin holes in the upper part of the upright column in the sequence 4, so that high-position work is realized; during transportation, during operation, the support pins in the sequence 3 are connected with the pin holes in the lower parts of the upper upright column in the sequence 2 and the lower upright column in the sequence 4, so that low-position transportation is realized. The telescopic structure of the upper upright post in the procedure 2 and the telescopic structure of the lower upright post in the procedure 4 can smoothly carry out the work and the transportation of the drill floor.

According to the design of the upright post center positioning method shown in the figure 5, three M12 threaded holes and M12 multiplied by 45 bolts are uniformly distributed at the upper end 350mm and the lower end 250mm of the upright post in the sequence 1 respectively. Before assembly welding, the upper upright column in the sequence 1 and the lower upright column in the sequence 4 are sleeved, the support pins in the upper sequence 3 are inserted, the adjusting bolts in the sequence 2 are screwed and adjusted, and the peripheral distance is measured, so that the centers of the upper upright column in the sequence 1 and the lower upright column in the sequence 4 are aligned. When assembling and welding, firstly, the table top of the upper table body in the figure 1 is horizontally placed on the platform downwards, the 2-position line is marked, the upper and lower upright post assemblies in the sequence 2 and the sequence 4 which are well sleeved are assembled and welded in place, the angle square is vertical, and the welding is firm; then overturning and hanging the upper platform bodies and the upper and lower upright post assemblies in the leveling procedures 1, 2 and 4, and assembling and welding the upper platform bodies and the upper and lower upright post assemblies to the corresponding positions of the lower base in the procedure 5; firstly, spot welding is firm, adjusting bolts are removed, the upper table body assemblies in the sequence 1, 2 and 4 are stably hoisted and dropped by an overhead crane, and welding seams between the lower upright column in the sequence 4 and the lower base in the sequence 5 are ensured to be freely stretched and blocked.

The method for assembling and welding the upper and lower upright columns of the drill floor is characterized by comprising the following steps of:

1. cutting the upper and lower column materials by a band saw;

2. processing pin shaft holes of the upper and lower stand columns and six M12 threaded holes at two ends of the upper stand column, and assembling and welding a guide tube of the lower stand column;

3. the lower upright post component is subjected to sand blasting and paint spraying, so that the situation that the covered part cannot be prevented from being corroded after being sleeved is avoided;

4. sleeving an upper upright column and a lower upright column, and penetrating a pin shaft to a transportation position (maximum overlapping amount);

5. adjusting and screwing up the upper M12 adjusting bolt and the lower M12 adjusting bolt to align the centers of the upper upright post and the lower upright post, and measuring the distance between the peripheries of the two ends to ensure consistency;

6. the upper stand column assembly and the lower stand column assembly are welded to the upper table body, welding seams between the stand columns and the upper table body are welded, the upper table body and the stand column assemblies are hoisted by the crown block to be welded to the lower base in a positioning mode, and positioning welding is firm. The adjusting bolt is not detached in the assembling and welding process;

7. and (4) dismantling the bolts, and hoisting the upper platform body by using the crown block to ensure that the welding seam between the upright post and the lower base is completed after the telescopic effect is free and no blocking exists.