CN213330957U

CN213330957U - Drill rod lug assembly

Info

Publication number: CN213330957U
Application number: CN202021538778.5U
Authority: CN
Inventors: 朱秋源
Original assignee: Xuzhou Hairun Xingzhi Heavy Industry Machinery Co ltd
Current assignee: Xuzhou Hairun Xingzhi Heavy Industry Machinery Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-06-01
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a colliery downhole machine tool technical field's a drilling rod lug assembly, including drilling rod and connecting piece, drilling rod top fixedly connected with connecting piece, the even fixedly connected with spacing ring in surface top all around of connecting piece, transversely peg graft in the spacing ring and have the bull stick, the equal fixedly connected with stopper in bull stick both ends, the baffle has been cup jointed in the activity of bull stick periphery, baffle left side fixedly connected with journal stirrup one, journal stirrup surface has the fastening strip through bolted connection, a journal stirrup threaded connection on the baffle of adjacent one side on the fastening strip other end passes through bolt and connecting piece, the utility model discloses simple structure, reasonable in design, easy operation has saved the installation time of drilling rod, has also alleviateed operating personnel's burden simultaneously.

Description

Drill rod lug assembly

Technical Field

The utility model relates to a colliery downhole machine technical field specifically is a drilling rod lug assembly.

Background

The drill rod is a steel pipe with threads at the tail part and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilled well. The purpose of the drill pipe is to carry drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole assembly. The lifting lug is a stressed member which is arranged on the equipment and used for lifting. When the colliery is in the pit operation, need use the drilling rod, the lug is the auxiliary member that hangs the drilling rod from top to bottom, and when hanging the drilling rod from top to bottom at every turn, all need use the connecting piece of taking the lug to connect the drilling rod, thereby rethread wire rope passes the lug and lifts by crane the drilling rod, all need use more bolt to be connected when the connecting piece is connected with the drilling rod at every turn, both time-wasting like this has also increased operating personnel's burden, for this reason, we propose a drilling rod lug assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling rod lug assembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drilling rod lug assembly, includes drilling rod and connecting piece, drilling rod top fixedly connected with connecting piece, the even fixedly connected with spacing ring in surface top all around the connecting piece, the bull stick has transversely been pegged graft in the spacing ring, the equal fixedly connected with stopper in bull stick both ends, the baffle has been cup jointed in the activity of bull stick periphery, baffle left side fixedly connected with journal stirrup one, there is the holding strip a surface through bolted connection, a journal stirrup threaded connection on the baffle of adjacent one side on the holding strip other end passes through bolt and connecting piece.

Preferably, the front surface, the rear surface, the left surface, the right surface, the connecting piece.

Preferably, threaded holes are uniformly formed in the surfaces of the connecting piece and the fastening strip on the left sides of the first support lug, the second support lug and the baffle and on the left sides of the second support lug.

Preferably, the lug is located connecting piece inner chamber part one end fixedly connected with limiting plate, connecting piece inner chamber intermediate position fixedly connected with fixed column, the equal fixedly connected with sleeve about the peripheral connecting piece that corresponds of fixed column about, the sleeve other end cover is equipped with the loop bar, sleeve and loop bar periphery cover are equipped with the spring, spring one end fixed connection is peripheral at the fixed column, the spring other end is fixed in the inboard of its corresponding limiting plate.

Preferably, a through hole is formed in one side, close to the connecting piece, of the lifting lug, the through hole penetrates through the limiting plate, and the inner diameter of the through hole is equal to the outer diameter of the sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be provided with the baffle, the limiting plate, the sleeve, loop bar and spring, through the baffle, the limiting plate, the sleeve, loop bar and spring mutually support, make the lug pop out in can following the connecting piece, thereby make things convenient for later stage wire rope to hoist the drilling rod, installation time has both been practiced thrift like this, operating personnel's burden has also been alleviateed, be provided with the fastening strip, can fasten baffle and lug through the fastening strip, avoid the lug to pop out when fastening the baffle, the stability of lug has been consolidated when fastening the lug, thereby avoid the lug in disorder to shake and lead to the drilling rod in disorder, lead to the drilling rod and the condition that the inboard friction of the wall of a well produces the spark and take place the accident, the utility model discloses simple structure, reasonable in design, easy operation has saved the installation time of drilling rod, has also alleviateed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the unfolding structure of the lifting lug of the present invention;

FIG. 3 is a schematic view of the fastening structure of the lifting lug of the present invention;

fig. 4 is a schematic view of the top view of the connecting member of the present invention.

In the figure: 1. a drill stem; 2. a connecting member; 21. fixing a column; 3. a baffle plate; 31. a first support lug; 4. fastening strips; 5. a limiting ring; 6. a rotating rod; 7. lifting lugs; 71. a second lug is supported; 72. a limiting plate; 73. a through hole; 8. a sleeve; 9. a loop bar; 10. a spring.

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. 1-3, the present invention provides a technical solution: the utility model provides a drilling rod lug assembly, including drilling rod 1 and connecting piece 2, 1 top fixedly connected with connecting piece 2 of drilling rod, the even fixedly connected with spacing ring 5 in surface top all around of connecting piece 2, transversely peg graft in the spacing ring 5 and have bull stick 6, the equal fixedly connected with stopper in 6 both ends of bull stick, baffle 3 has been cup jointed in 6 peripheral activities of bull stick, 6 rotations of 3 accessible bull sticks of baffle, 3 left side fixedly connected with journal stirrup 31 of baffle, 31 surfaces of journal stirrup have fastening strip 4 through bolted connection, 31 threaded connection of the journal stirrup on the baffle 3 of adjacent one side on the fastening strip 4 other end passes through bolt and connecting piece 2, fastening strip 4 is the right angle shape.

Referring to fig. 2-3, the front, rear, left and right surfaces of the connecting member 2 are all penetrated with lifting lugs 7, the front, rear, left and right surfaces of the connecting member 2 are all provided with movable grooves matched with the lifting lugs 7, the bottom end of the lifting lug 7 is fixedly connected with a second supporting lug 71, and the second supporting lug 71 is matched with the fastening strip 4.

Referring to fig. 1-3, the first support lug 31, the second support lug 71, and the left side of the baffle 3 on the surface of the connecting member 2, the left side of the second support lug 71 on the surface of the connecting member 2, and the surface of the fastening strip 4 are uniformly provided with threaded holes, and the fastening strip 4 can fasten the baffle 3 and the lifting lug 7 through bolts.

Please refer to fig. 4, one end of the lifting lug 7 located in the inner cavity of the connecting part 2 is fixedly connected with a limiting plate 72, the middle position of the inner cavity of the connecting part 2 is fixedly connected with a fixing column 21, the periphery of the fixing column 21 corresponds to the upper, lower, left and right sides of the connecting part 2 and is fixedly connected with a sleeve 8, the other end of the sleeve 8 is sleeved with a loop bar 9, the periphery of the sleeve 8 and the loop bar 9 is sleeved with a spring 10, one end of the spring 10 is fixedly connected to the periphery of the fixing column 21, the other end of the spring 10 is fixed to the inner side of the corresponding limiting plate 72, the sleeve 8 and the loop bar 9 play a.

Referring to fig. 4, a through hole 73 is formed in one side of the lifting lug 7 close to the connecting member 2, the through hole 73 penetrates through the limiting plate 72, the inner diameter of the through hole 73 is equal to the outer diameter of the sleeve 8, when the box inner side of the lifting lug 7 moves, the spring 10 is compressed, meanwhile, the loop bar 9 and the sleeve 8 enter the through hole 73, on one hand, the spring 10 is limited, and on the other hand, the lifting lug 7 cannot shake randomly.

The working principle is as follows: during the use, the bolt that will be located on journal stirrup 31 is taken off, baffle 3 is unrestricted this moment, spring 10 rebounds and makes lug 7 pop out from the activity groove, baffle 3 upwards rotates, lug 7 is restricted by limiting plate 72, if when the operation in the shallow place of coal mine drilling, thereby directly pass wire rope through lug 7 and hang drilling rod 1, then towards operation place drilling rod 1 of below, if the operation in the deep place, with fastening strip 4 facing to journal stirrup two 71, then fix fastening strip 4 and journal stirrup two 71 and connecting piece 2 through the bolt, thereby make lug 7 fix, and then make wire rope when putting drilling rod 1 downwards, lug 7 can not rock.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drilling rod lug assembly, includes drilling rod (1) and connecting piece (2), its characterized in that: drilling rod (1) top fixedly connected with connecting piece (2), the even fixedly connected with spacing ring (5) in surface top all around connecting piece (2), horizontal grafting has bull stick (6) in spacing ring (5), the equal fixedly connected with stopper in bull stick (6) both ends, baffle (3) have been cup jointed in bull stick (6) peripheral activity, baffle (3) left side fixedly connected with journal stirrup (31), there are holding strip (4) journal stirrup (31) surface through bolted connection, the holding strip (4) other end passes through bolt and connecting piece (2) on the baffle (3) of adjacent one side and the threaded connection of journal stirrup (31).

2. The drill rod lug assembly of claim 1, wherein: the connecting piece (2) all runs through around the surface have lug (7), connecting piece (2) all seted up around the surface with lug (7) assorted activity groove, lug (7) bottom fixedly connected with journal stirrup two (71), journal stirrup two (71) and fastening strip (4) phase-match.

3. The drill rod lug assembly of claim 2, wherein: threaded holes are uniformly formed in the surfaces of the connecting piece (2) on the left side of the first support lug (31), the second support lug (71) and the baffle (3), and in the surfaces of the connecting piece (2) and the fastening strip (4) on the left side of the second support lug (71).

4. The drill rod lug assembly of claim 3, wherein: lug (7) are located connecting piece (2) inner chamber part one end fixedly connected with limiting plate (72), connecting piece (2) inner chamber intermediate position fixedly connected with fixed column (21), equal fixedly connected with sleeve (8) about the upper and lower of fixed column (21) periphery correspondence connecting piece (2), sleeve (8) other pot head is equipped with loop bar (9), sleeve (8) and loop bar (9) periphery cover are equipped with spring (10), spring (10) one end fixed connection is peripheral at fixed column (21), the inboard at its limiting plate (72) that corresponds is fixed to the spring (10) other end.

5. The drill rod lug assembly of claim 4, wherein: through-hole (73) have been seted up on lug (7) one side near connecting piece (2), limiting plate (72) is run through in through-hole (73), the internal diameter of through-hole (73) equals the external diameter of sleeve (8).