CN212803079U

CN212803079U - Anti-drop drill rod for well drilling

Info

Publication number: CN212803079U
Application number: CN202021828008.4U
Authority: CN
Inventors: 刘金亮; 耿丽丽
Original assignee: Shandong Shengyou Oil Drilling & Production Machinery Co ltd
Current assignee: Shandong Shengyou Oil Drilling & Production Machinery Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-03-26
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses an anti-drop drill rod for well drilling, which belongs to the field of drilling tools and comprises a bottom rod, wherein the upper end of the bottom rod is connected with a connecting rod, the upper end of the connecting rod is connected with a mandril, the upper end of the mandril is fixedly connected with an installation block, the upper ends of the bottom rod and the connecting rod are respectively provided with a ring groove, the upper ends of the bottom rod and the connecting rod are respectively provided with a slot, the lower ends of the connecting rod and the mandril are respectively fixedly connected with an insert block, the lower end of the mandril and the lower end of the connecting rod are respectively fixedly connected with a ring element, the slot is connected with the insert block through the connection of the ring groove and the ring element, and a fixed pin is fixed with a nut, so that the connection stability between the bottom rod, the connecting rod and the mandril is enhanced, the separation of threaded connection caused by rotation during, the firmness of the bottom rod, the connecting rod and the ejector rod is improved, and the phenomenon that the surfaces of the bottom rod, the connecting rod and the ejector rod fall off is avoided.

Description

Anti-drop drill rod for well drilling

Technical Field

The utility model relates to a drilling tool field, more specifically say, relate to an anticreep drilling rod is used in well drilling.

Background

At present, most of the existing drilling rods for drilling are fixedly connected through bolts, the anti-falling effect is poor, the phenomenon of separation is easy to occur between the drilling rods, the drilling rods rotate ceaselessly in work, the surface of the drilling rods is easy to damage and fall off when the drilling rods collide with rocks in a well, and a lot of troubles are brought to use.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, an object of the utility model is to provide an anticreep drilling rod is used in well drilling, through being connected of ring channel and loop forming element, the slot is connected with the inserted block, the fixed pin is fixed with the nut, the sill bar has been increaseed, connect the connection steadiness between pole and the ejector pin, avoid the during operation to make threaded connection take off owing to rotating, avoid the ring channel to take off respectively with loop forming element and slot and inserted block and leave the trouble of bringing, simultaneously through the setting of anchor strut and anchor block, the sill bar has been increaseed, connect the fastness of pole and ejector pin, avoid the sill bar, connect the pole and take place the phenomenon that the surface drops with the ejector pin.

In order to solve the above problems, the utility model adopts the following technical proposal.

An anti-drop drill rod for well drilling comprises a bottom rod, wherein the upper end of the bottom rod is connected with a connecting rod, the upper end of the connecting rod is connected with an ejector rod, the upper end of the ejector rod is fixedly connected with an installation block, the upper ends of the bottom rod and the connecting rod are respectively provided with an annular groove, the upper ends of the bottom rod and the connecting rod are respectively provided with an inserting groove, the lower ends of the connecting rod and the ejector rod are respectively fixedly connected with an inserting block, the lower end of the ejector rod and the lower end of the connecting rod are respectively fixedly connected with an annular piece, the lower end of the inserting block penetrates through a fixing pin through thread rotation, one end of the fixing pin is fixedly connected with a nut through thread, the upper end of the ejector rod is uniformly and fixedly connected with a reinforcing rib, the bottom rod, the connecting rod and the inner part of the ejector rod are fixedly connected with reinforcing rods, the, the fixed pin is fixed with the nut, has increaseed the sill bar, has connect the connection steadiness between pole and the ejector pin, avoids the during operation to make threaded connection take off owing to rotating, avoids ring channel and loop forming element and slot and inserted block to take off respectively and leaves the trouble of bringing, simultaneously through the setting of anchor strut and anchor block, has increaseed the sill bar, has connect the fastness of pole and ejector pin, avoids the sill bar, connects the phenomenon that pole and ejector pin take place the surface and drop.

Furthermore, the external diameters of the bottom rod, the connecting rod and the ejector rod are the same, the lengths of the bottom rod, the connecting rod and the ejector rod are the same, through the arrangement of the bottom rod and the ejector rod, the annular groove is connected with the annular piece, and the slots are connected with the insert blocks, so that the number of the connecting rods can be conveniently added according to the depth of a well.

Further, the lower extreme fixedly connected with drill bit of sill bar, the inserted block passes through the thread tightening with the slot and pegs graft, through the setting of drill bit, conveniently carries out well drilling work, conveniently drives the sill bar, connects pole and ejector pin and rotates and gos forward.

Further, the ring-shaped member passes through the thread tightening with the ring channel and pegs graft, the fixed pin is connected respectively in the upper end of sill bar and the upper end that connects the pole with the nut, through being connected of fixed pin and nut, has increaseed fixed connection's steadiness between inserted block and the slot.

Further, the upper end fixed connection of reinforcing rib is in the lower extreme of installation piece, the outside of sill bar, extension rod and ejector pin is even fixedly connected with thread circle respectively, through the setting of reinforcing rib, has increaseed the steadiness of being connected between ejector pin and the installation piece.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme passes through being connected of ring channel and loop forming element, the slot is connected with the inserted block, the fixed pin is fixed with the nut, the sill bar has been increaseed, connect the connection steadiness between pole and the ejector pin, avoid the during operation to make threaded connection take off owing to rotating, avoid ring channel and loop forming element and slot and inserted block to take off respectively and leave the trouble of bringing, simultaneously through the setting of anchor strut and anchor block, the sill bar has been increaseed, the fastness of pole and ejector pin connects, avoid the sill bar, connect the pole and take place the phenomenon that the surface drops with the ejector pin.

(2) The external diameter of sill bar, extension pole is the same with the ejector pin, and the sill bar, the length of extension pole is the same with the ejector pin, through the setting of sill bar and ejector pin, the ring channel is connected with the loop forming element, and the number of extension pole is added according to the degree of depth of well to the convenience in the slot and the connection of inserted block.

(3) The lower extreme fixedly connected with drill bit of sill bar, the inserted block passes through the thread tightening with the slot and pegs graft, through the setting of drill bit, conveniently carries out drilling work, conveniently drives the sill bar, connects the pole and rotates with the ejector pin and gos forward.

(4) The ring forming element passes through the thread tightening with the ring channel and pegs graft, and fixed pin and nut are connected respectively in the upper end of sill bar and the upper end that connects the pole, through being connected of fixed pin and nut, have increaseed fixed connection's steadiness between inserted block and the slot.

(5) The upper end fixed connection of reinforcing rib in the lower extreme of installation piece, the outside of sill bar, extension rod and ejector pin is even fixedly connected with thread circle respectively, through the setting of reinforcing rib, has increaseed the steadiness of being connected between ejector pin and the installation piece.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

FIG. 2 is a top cross-sectional view of the connection between the annular groove and the slot of the present invention;

FIG. 3 is a partially enlarged cross-sectional view of the bottom bar of the present invention;

FIG. 4 is a partial enlarged view of the bottom bar of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 1 according to the present invention.

The reference numbers in the figures illustrate:

the drilling tool comprises a bottom rod 1, a connecting rod 2, a top rod 3, a drill bit 4, a mounting block 5, an annular groove 6, a slot 7, an insertion block 8, a ring-shaped part 9, a fixing pin 10, a nut 11, a reinforcing rib 12, a thread ring 13, a reinforcing rod 14 and a reinforcing block 15.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-5, an anti-drop drill rod for drilling comprises a bottom rod 1, referring to fig. 1 and 5, a connecting rod 2 is connected to the upper end of the bottom rod 1, a top rod 3 is connected to the upper end of the connecting rod 2, an installation block 5 is fixedly connected to the upper end of the top rod 3, annular grooves 6 are respectively formed at the upper end of the bottom rod 1 and the upper end of the connecting rod 2, slots 7 are respectively formed at the upper end of the bottom rod 1 and the upper end of the connecting rod 2, an insertion block 8 is respectively fixedly connected to the lower end of the connecting rod 2 and the lower end of the top rod 2, an annular member 9 is respectively fixedly connected to the lower end of the top rod 3 and the lower end of the connecting rod 2, a fixing pin 10 passes through the lower end of the insertion block 8 through a screw thread, a nut 11 is fixedly connected to one end of the fixing pin 10 through a screw thread, reinforcing ribs 12 are fixedly connected to the upper end, through being connected of ring channel 6 and loop forming element 9, slot 7 and insert 8 are connected, fixed pin 10 is fixed with nut 11, sill bar 1 has been increaseed, connect the stability of being connected between pole 2 and the ejector pin 3, avoid the during operation to make threaded connection take off owing to rotating and leave, avoid ring channel 6 and ring forming element 9 and slot 7 and insert 8 to take off respectively and leave the trouble of bringing, simultaneously through the setting of anchor strut 14 and anchor strut 15, sill bar 1 has been increaseed, connect the fastness of pole 2 and ejector pin 3, avoid sill bar 1, connect pole 2 and ejector pin 3 to take place the phenomenon that the surface drops.

Referring to fig. 1 and 5, the external diameters of the bottom rod 1, the connecting rod 2 and the ejector rod 3 are the same, the lengths of the bottom rod 1, the connecting rod 2 and the ejector rod 3 are the same, the annular groove 6 is connected with the annular part 9 through the arrangement of the bottom rod 1 and the ejector rod 2, the slot 7 is connected with the insert block 8, the number of the connecting rods 2 is conveniently added according to the depth of a well, the drill bit 4 is fixedly connected to the lower end of the bottom rod 1, the insert block 8 is fixedly inserted into the slot 7 through threads, drilling work is conveniently performed through the arrangement of the drill bit 4, and the bottom rod 1, the connecting rod 2 and the ejector rod 3 are conveniently driven.

Referring to fig. 1-2, the ring member 9 is fixedly inserted into the annular groove 6 by threads, the fixing pin 10 and the nut 11 are respectively connected to the upper end of the bottom rod 1 and the upper end of the connecting rod 2, the fixing stability of the fixed connection between the inserting block 8 and the inserting groove 7 is enhanced by the connection of the fixing pin 10 and the nut 11, the upper end of the reinforcing rib 12 is fixedly connected to the lower end of the mounting block 5, the bottom rod 1, the connecting rod 2 and the outer side of the top rod 3 are respectively and uniformly fixedly connected with a threaded ring 13, and the stability of the connection between the top rod 3 and the mounting block 5 is enhanced by the arrangement of the reinforcing rib 12.

Firstly, the connecting rod 2 is moved to the upper end of the bottom rod 1, then the annular groove 6 is in sliding insertion connection with the annular piece 9, the slot 7 is in sliding insertion connection with the insert block 8, then the connecting rod 2 is fixedly connected with the annular piece 9 through bolts, and the fixing pin 10 is fixedly connected with the nut 11, so that the phenomenon that the connecting part of the connecting rod 2 and the bottom rod 1 is separated can not occur, the connecting rod 2 can be conveniently and continuously added according to the depth of a well, then the top is fixedly connected with the ejector rod 3, the slot 7 is connected with the insert block 8 through the connection of the annular groove 6 and the annular piece 9, and the fixing pin 10 is fixed with the nut 11, so that the connection stability among the bottom rod 1, the connecting rod 2 and the ejector rod 3 is improved, the separation of threaded connection due to rotation during work is avoided, the trouble caused by the separation of the annular groove 6 and the annular piece 9 and the slot, the firmness of the bottom rod 1, the connecting rod 2 and the ejector rod 3 is increased, and the phenomenon that the surface of the bottom rod 1, the connecting rod 2 and the ejector rod 3 drops is avoided.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a drilling is with anticreep drilling rod, includes sill bar (1), its characterized in that: the upper end of the bottom rod (1) is connected with a connecting rod (2), the upper end of the connecting rod (2) is connected with a push rod (3), the upper end of the push rod (3) is fixedly connected with an installation block (5), the upper ends of the bottom rod (1) and the connecting rod (2) are respectively provided with an annular groove (6), the upper ends of the bottom rod (1) and the connecting rod (2) are respectively provided with an insertion groove (7), the lower end of the connecting rod (2) and the lower end of the push rod (3) are respectively fixedly connected with an insertion block (8), the lower end of the push rod (3) and the lower end of the connecting rod (2) are respectively fixedly connected with an annular piece (9), the lower end of the insertion block (8) penetrates through a fixing pin (10) through threaded rotation, one end of the fixing pin (10) is fixedly connected with a nut (11) through threads, and the upper end, the inner parts of the bottom rod (1), the connecting rod (2) and the ejector rod (3) are fixedly connected with reinforcing rods (14), and reinforcing blocks (15) are fixedly connected with the reinforcing rods (14) uniformly.

2. The anti-run-off drill rod for well drilling according to claim 1, wherein: the outer diameters of the bottom rod (1), the connecting rod (2) and the ejector rod (3) are the same, and the lengths of the bottom rod (1), the connecting rod (2) and the ejector rod (3) are the same.

3. The anti-run-off drill rod for well drilling according to claim 1, wherein: the lower end of the bottom rod (1) is fixedly connected with a drill bit (4), and the insert block (8) is fixedly inserted into the insert groove (7) through threads.

4. The anti-run-off drill rod for well drilling according to claim 1, wherein: the ring-shaped piece (9) is fixedly inserted into the annular groove (6) through threads, and the fixing pin (10) and the nut (11) are respectively connected to the upper end of the bottom rod (1) and the upper end of the connecting rod (2).

5. The anti-run-off drill rod for well drilling according to claim 1, wherein: the upper end of the reinforcing rib (12) is fixedly connected to the lower end of the mounting block (5), and the outer sides of the bottom rod (1), the connecting rod (2) and the ejector rod (3) are respectively and uniformly fixedly connected with threaded rings (13).