CN217950313U - Well head anti-falling device for drilling well - Google Patents

Abstract

The utility model discloses a drilling well head prevents junk device relates to well drilling engineering technical field, the on-line screen storage device comprises a base, the subassembly is prevented piling up in the upper portion of base is installed, the top of base is connected with adjusting part, use through the cooperation between installation section of thick bamboo, spring, spliced pole and the movable block, conveniently be applicable to the drilling rod of different thicknesses, only need to insert to the bore of collar can, need not unnecessary operation, and simple to use and practical, and the effect of closing cap, do not use the drilling rod, carry out the shutoff to the port of collar, prevent that foreign object from falling into the well from the port, use through the cooperation of falling board and protection network, prevent that the big thing from falling into the well mouth, and fall board and protection network all set up and have inclination, it is piled up to avoid foreign object to fall on the surface production of falling board and protection network, its foreign object can be according to the automatic landing of angle, follow-up does not need artifical clearance, and can install the protection network fast through bolt and fixture block.

Description

Well head anti-falling device for drilling well

Technical Field

The utility model relates to a drilling engineering technical field specifically is a drilling well head junk device.

Background

In the petroleum drilling engineering, a drilling machine is the most main drilling equipment, one common petroleum drilling machine mainly comprises a power machine, a transmission machine, a working machine and auxiliary equipment thereof, and has the capabilities of tripping up and down, rotating drilling and circulating well washing, the well mouth of the drilling machine is the place where the falling object accidents occur most easily, objects fall into the well from the well mouth and are called the falling object accidents, and in the petroleum drilling process, once the falling object accidents of the well mouth occur, the falling objects such as bolts, crowbars, drill bits and the like can easily cause the drill jamming and damage underground instrument equipment;

through retrieval, the chinese patent discloses a well head anti-falling device of drilling engineering (publication number CN 210289695U), the technical content of the patent is: during drilling operation, a drill rod penetrates through a drilling hole and a through groove in the top of the fixing piece, the ventilation effect of the position of a wellhead is ensured by using the air holes and the through holes, and large objects are prevented from falling off the wellhead by using the fixing seat 1;

in view of the above, the following disadvantages exist: the size of bore hole in the above-mentioned patent can not be adjusted, and the inconvenient drilling rod that is applicable to not equidimension for this reason, we provide a well drilling well head and prevented falling thing device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a thing device is prevented falling by well drilling well head has solved the problem that above background art provided.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the anti-falling device for the well mouth of the drilling well comprises a base, wherein an anti-accumulation assembly is arranged at the upper part of the base, and the top end of the base is connected with an adjusting assembly;

the adjusting part comprises a support ring connected with the top end of the base, the upper portion of the support ring is connected with an installation ring, the installation ring is internally provided with a plurality of installation cylinders and a plurality of springs, one end of each spring is connected with a connecting column and a plurality of movable blocks, and the connecting columns are connected with one ends of the movable blocks.

As a further technical scheme of the utility model, the closing cap is installed at the top of collar, the last surface connection of closing cap has the handle, a plurality of draw-in groove has been seted up to the surface of collar.

As a further technical scheme of the utility model, the circular recess phase-match that the port and the upper surface of bottom and the collar of closing cap were seted up.

As the utility model discloses a further technical scheme, the anti-accumulation assembly includes the whereabouts board of base upper surface connection, the top of board that falls is provided with the protection network, the top of protection network is connected with solid fixed ring, gu fixed ring's inner wall connection has a plurality of fixture block, the upper surface edge of board that falls is connected with a plurality of erection column, the edge correspondence erection column department of protection network is provided with a plurality of bolt.

As a further technical scheme of the utility model, there is the distance between board and the protection network of falling down, the board of falling down is connected with the bolt through the erection column with the protection network.

As a further technical scheme of the utility model, the size of a dimension looks adaptation of fixture block and draw-in groove, and the top of protection network and the upper surface laminating of support ring.

Advantageous effects

The utility model provides a drilling well head prevents junk device. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a drilling well head prevents junk device, uses through the cooperation between installation section of thick bamboo, spring, spliced pole and the movable block, conveniently is applicable to the drilling rod of different thicknesses, only need to the bore of collar insert can, need not unnecessary operation, and simple to use and practical, and the effect of closing cap is not using the drilling rod, carries out the shutoff to the port of collar, prevents that foreign object from falling into the well from the port.

2. The utility model provides a well drilling well head junk device, uses through the cooperation of board and protection network that falls, prevents that big thing from falling into in the well head, and fall board and protection network all set up and have inclination, avoids foreign object to fall and produces on the surface of board and protection network that falls and piles up, and its foreign object can be according to the automatic landing of angle, and follow-up do not need artifical clearance, and can install the protection network fast through bolt and fixture block.

Drawings

FIG. 1 is a schematic structural diagram of a wellhead anti-falling device for drilling;

FIG. 2 is an exploded view of an anti-fall device at a well head;

FIG. 3 is a schematic diagram of the explosion of the adjustment assembly in the anti-falling device of the well head;

FIG. 4 is a schematic sectional view of an adjusting assembly of the anti-falling device at the wellhead of the well;

FIG. 5 is a schematic diagram of an explosion prevention assembly in the anti-falling device of the well head;

FIG. 6 is a schematic sectional view of an anti-accumulation assembly in the anti-falling device at the wellhead.

In the figure: 1. a base; 2. an anti-accumulation assembly; 21. dropping the plate; 22. a protective net; 23. mounting a column; 24. a fixing ring; 25. a clamping block; 26. a bolt; 3. an adjustment assembly; 31. a support ring; 32. a mounting ring; 33. mounting the cylinder; 34. a spring; 35. connecting columns; 36. a movable block; 37. a card slot; 38. sealing the cover; 39. and (4) a handle.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a well head anti-falling device technical scheme: the utility model provides a drilling well head junk device, includes base 1, and the subassembly 2 is prevented piling up in the upper portion of base 1 is installed, and the top of base 1 is connected with adjusting part 3.

Referring to fig. 3-4, the adjusting assembly 3 includes a support ring 31 connected to the top end of the base 1, an installation ring 32 is connected to the upper portion of the support ring 31, a plurality of installation cylinders 33 are installed inside the installation ring 32, springs 34 are disposed inside the installation cylinders 33, connection posts 35 are connected to one ends of the springs 34, movable blocks 36 are connected to one ends of the connection posts 35, a sealing cover 38 is installed at the top of the installation ring 32, a handle 39 is connected to the upper surface of the sealing cover 38, a plurality of clamping grooves 37 are formed in the outer surface of the installation ring 32, and the bottom end of the sealing cover 38 is matched with circular grooves formed in the port and the upper surface of the installation ring 32.

When the adjusting assembly 3 is actually used, a drill rod is inserted into the end opening of the mounting ring 32, the drill rod extrudes the movable block 36 and the connecting column 35 to move, the spring 34 of the drill rod is stressed and contracted in the mounting cylinder 33, and the side face of one end of the movable block 36 is attached to the surface of the drill rod, so that the adjusting assembly can be applied to drill rods with different sizes.

Referring to fig. 5-6, the anti-accumulation assembly 2 includes a falling plate 21 connected to the upper surface of the base 1, a protective net 22 is disposed above the falling plate 21, a fixing ring 24 is connected to the top end of the protective net 22, a plurality of fastening blocks 25 are connected to the inner wall of the fixing ring 24, a plurality of mounting posts 23 are connected to the edge of the upper surface of the falling plate 21, a plurality of bolts 26 are disposed at the edge of the protective net 22 corresponding to the mounting posts 23, a distance exists between the falling plate 21 and the protective net 22, the falling plate 21 and the protective net 22 are connected to the bolts 26 through the mounting posts 23, the fastening blocks 25 are matched with the fastening grooves 37 in size, and the top of the protective net 22 is attached to the upper surface of the supporting ring 31.

When the anti-accumulation assembly 2 is actually used, the protective net 22 is placed on the upper portion of the falling plate 21, the clamping blocks 25 at the top of the protective net 22 are clamped in the clamping grooves 37, the bolts 26 are opposite to the mounting columns 23, the bolts 26 are screwed, the bottom of the protective net 22 is fixed, and the protective net 22 is mounted.

The utility model discloses a theory of operation: when the device is installed, the base 1 is arranged at a wellhead, the protective net 22 is placed on the upper portion of the falling plate 21, the fixture block 25 at the top of the protective net 22 is clamped in the clamping groove 37, the bolt 26 is opposite to the installation column 23, and the bolt 26 is screwed to fix the bottom of the protective net 22;

after the installation is completed, a drill rod is inserted opposite to a port at the installation ring 32, the drill rod can extrude the movable block 36 and the connecting column 35 to move, the spring 34 of the drill rod is stressed and contracted in the installation cylinder 33, the side face of one end of the movable block 36 is attached to the surface of the drill rod, the drill rod can be suitable for drill rods with different sizes, the falling plate 21 and the protective net 22 are both provided with inclination angles, foreign objects are prevented from falling on the falling plate 21 and being accumulated on the protective net 22, the foreign objects can automatically slide down, and the safety of drilling operation is improved.

Claims (6)

1. The anti-falling device for the well mouth of the drilling well comprises a base (1) and is characterized in that an anti-accumulation assembly (2) is installed on the upper portion of the base (1), and the top end of the base (1) is connected with an adjusting assembly (3);

adjusting part (3) include support ring (31) that base (1) top is connected, the upper portion of support ring (31) is connected with collar (32), the internally mounted of collar (32) has a plurality of installation section of thick bamboo (33), a plurality of the inside of installation section of thick bamboo (33) all is provided with spring (34), a plurality of the one end of spring (34) all is connected with spliced pole (35), a plurality of the one end of spliced pole (35) all is connected with movable block (36).

2. A well head falling object prevention device according to claim 1, characterized in that a sealing cover (38) is installed on the top of the installation ring (32), a handle (39) is connected to the upper surface of the sealing cover (38), and a plurality of clamping grooves (37) are opened on the outer surface of the installation ring (32).

3. A drilling wellhead fall arrester as claimed in claim 2 wherein the lower end of the closure cap (38) is adapted to mate with a circular groove provided in the end and upper surface of the mounting ring (32).

4. The anti-falling device for the drilling wellhead as claimed in claim 1, wherein the anti-accumulation assembly (2) comprises a falling plate (21) connected with the upper surface of a base (1), a protective net (22) is arranged above the falling plate (21), the top end of the protective net (22) is connected with a fixing ring (24), the inner wall of the fixing ring (24) is connected with a plurality of clamping blocks (25), the edge of the upper surface of the falling plate (21) is connected with a plurality of mounting posts (23), and a plurality of bolts (26) are arranged at the edge of the protective net (22) corresponding to the mounting posts (23).

5. A drilling wellhead fall prevention device according to claim 4, characterized in that there is a distance between the fall plate (21) and the protection net (22), and the fall plate (21) and the protection net (22) are connected with bolts (26) through mounting columns (23).

6. A well head falling object prevention device according to claim 4, characterized in that the clamping blocks (25) are matched with the clamping grooves (37) in size, and the top of the protective net (22) is jointed with the upper surface of the supporting ring (31).

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