CN210164438U

CN210164438U - Multi-head middle support drilling device

Info

Publication number: CN210164438U
Application number: CN201920852389.0U
Authority: CN
Inventors: 姜传军; 刘志刚; 王彦力
Original assignee: Yantai Navitas New Materials Co Ltd
Current assignee: Yantai Navitas New Materials Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-03-20
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a bull muntin drilling equipment, including drill bit body and chuck, drill bit body and chuck threaded connection, the middle part welding of drill bit body has the tighrening ring, evenly distributed's screw hole is seted up at the top of tighrening ring, the inner wall threaded connection of screw hole has the bolt, bolt and chuck threaded connection, the locking groove has been seted up to bolt one side lower extreme, the equal threaded connection in both sides of chuck has fastening screw, fastening screw and locking groove threaded connection, the jack has been seted up to one side of drill bit body, the installation cavity has been seted up to the inside of chuck, the inner wall fixedly connected with spring of installation cavity. The utility model provides a because the pressure that long-time work or drill bit received is too big, cause the skew to take place between drill bit and the exploitation instrument very easily, consequently can lead to the phenomenon that the drill bit installation is not hard up or the drill bit drops, influence the problem of oil development process.

Description

Multi-head middle support drilling device

Technical Field

The utility model relates to a mining technology field specifically is bull mullion drilling equipment.

Background

In the oil development operation, the drill bit is the most commonly used instrument in the exploitation process, and current drill bit is mostly directly fixed with the exploitation instrument through the screw thread when the installation, because the pressure that works for a long time or the drill bit received is too big, causes very easily to shift between drill bit and the exploitation instrument, consequently can lead to the phenomenon that the drill bit installation is not hard up or the drill bit drops, influences the process of oil development.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bull middle stile drilling equipment to the pressure that provides in solving above-mentioned background art because long-time work or drill bit received is too big, causes the skew to take place between drill bit and the exploitation instrument very easily, consequently can lead to the phenomenon that the drill bit installation is not hard up or the drill bit drops, influences the problem of oil development process.

In order to solve the technical problem, the utility model provides a following technical scheme: the multi-head middle support drilling device comprises a drill bit body and a chuck, wherein the drill bit body is in threaded connection with the chuck, the middle part of the drill bit body is welded with a fastening ring, the top of the fastening ring is provided with evenly distributed threaded holes, the inner wall of the threaded hole is in threaded connection with a bolt, the bolt is in threaded connection with the chuck, the lower end of one side of the bolt is provided with a locking groove, both sides of the chuck are in threaded connection with fastening screws, the fastening screws are in threaded connection with the locking grooves, one side of the drill bit body is provided with an insertion hole, the inside of the chuck is provided with an installation cavity, the inner wall of the installation cavity is fixedly connected with a spring, one side of the spring is fixedly connected with a push plate, one side of the push plate, which is far away from the spring, is fixedly connected with an inserted link, the inserting rod is inserted into the inserting hole, a pull rod is fixedly connected to one side, close to the spring, of the push plate, and the pull rod is movably connected with the chuck.

Preferably, the bottom of the drill bit body is provided with an external thread, and the drill bit body is connected with the chuck through the external thread.

Preferably, the inner wall of the threaded hole is provided with a protective cap, and the upper end of the bolt is located inside the protective cap.

Preferably, one end of the pull rod, which is far away from the push plate, is fixedly connected with the hook.

Preferably, the surface of the inserted bar is sleeved with a sealing ring, and the sealing ring is movably connected with the jack.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, through setting up the tighrening ring, when carrying out the drill bit installation, be connected drill bit body and chuck, use the bolt to be connected with the screw hole, make and consolidate between chuck and the drill bit body, prevent that the drill bit body from taking place relative displacement when rotating and chuck between, then install fastening screw, make fastening screw and locking groove be connected to can make the drill bit during operation, the bolt can not become flexible, has guaranteed the stability of drill bit body, the difficult not hard up condition of drill bit body that takes place.

2. Through setting up the inserted bar, after the installation of drill bit body is accomplished, promote the pull rod, under the common promotion of spring, make the push pedal promote the inserted bar motion to can make the inserted bar peg graft with the jack, further play the effect that prevents the drill bit body not hard up, guarantee the steadiness of drill bit.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a drill according to an embodiment of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to an embodiment of the present invention;

fig. 4 is an enlarged view of the position B in fig. 2 according to the embodiment of the present invention.

In the figure: 1. a drill bit body; 2. a chuck; 3. a fastening ring; 4. a threaded hole; 5. a bolt; 6. a locking groove; 7. fastening screws; 8. a protective cap; 9. a jack; 10. a mounting cavity; 11. a spring; 12. pushing the plate; 13. inserting a rod; 14. a pull rod.

Detailed Description

In order to solve because the pressure that long-time work or drill bit received is too big, cause the skew to take place between drill bit and the exploitation instrument very easily, consequently can lead to the phenomenon that the drill bit installation is not hard up or the drill bit drops, influence the problem of oil development process, the embodiment of the utility model provides a bull middle stile drilling equipment. 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.

Example 1

Referring to fig. 1-4, the embodiment provides a multi-head middle support drilling device, which includes a drill body 1 and a chuck 2, the drill body 1 is in threaded connection with the chuck 2, a fastening ring 3 is welded in the middle of the drill body 1, threaded holes 4 are uniformly distributed in the top of the fastening ring 3, a bolt 5 is in threaded connection with the inner wall of the threaded hole 4, the bolt 5 is in threaded connection with the chuck 2, a locking groove 6 is formed at the lower end of one side of the bolt 5, fastening screws 7 are in threaded connection with both sides of the chuck 2, the fastening screws 7 are in threaded connection with the locking groove 6, a jack 9 is formed at one side of the drill body 1, an installation cavity 10 is formed inside the chuck 2, a spring 11 is fixedly connected to the inner wall of the installation cavity 10, a push plate 12 is fixedly connected to one side of the spring 11, an insert rod 13 is fixedly connected to one side of the push plate 12 away from the spring, the pull rod 14 is movably connected with the chuck 2.

In this embodiment, through setting up the tighrening ring 3, when carrying out the drill bit installation, be connected drill bit body 1 with chuck 2, use bolt 5 to be connected with screw hole 4, consolidate between messenger's chuck 2 and the drill bit body 1, prevent that drill bit body 1 from taking place relative displacement between when rotating and chuck 2, then installation fastening screw 7, make fastening screw 7 be connected with locking groove 6, thereby can make the drill bit during operation, bolt 5 can not become flexible, the stability of drill bit body 1 has been guaranteed, the difficult condition that takes place drill bit body 1 and become flexible, after the installation of drill bit body 1 is accomplished, promote pull rod 14, under the common promotion of spring 11, make push pedal 12 promote the motion of inserted bar 13, thereby can make inserted bar 13 peg graft with jack 9, further play the not hard up effect that prevents drill bit body 1, the steadiness of drill bit has been guaranteed.

Example 2

Referring to fig. 1-4, a further improvement is made on the basis of embodiment 1: the bottom of drill bit body 1 is provided with the external screw thread, and drill bit body 1 is connected with chuck 2 through the external screw thread, makes the connection between chuck 2 and the drill bit body 1 inseparabler, and the inner wall of screw hole 4 is provided with helmet 8, and the upper end of bolt 5 is located the inside of helmet 8, and helmet 8 seals the clearance between bolt 5 and chuck 2, prevents that bolt 5 from taking place the corrosion.

Wherein, the one end fixed connection couple that pull rod 14 deviates from push pedal 12 has made things convenient for and has pulled out inserted bar 13, has made things convenient for the dismantlement of drill bit body 1, and the sealing washer has been cup jointed on the surface of inserted bar 13, and sealing washer and jack 9 swing joint prevent inside water or mud infiltration drill bit body 1, have strengthened sealed effect.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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. Multihead mullion drilling equipment, including drill bit body (1) and chuck (2), its characterized in that: the drill bit comprises a drill bit body (1) and a chuck (2) which are in threaded connection, wherein a fastening ring (3) is welded in the middle of the drill bit body (1), threaded holes (4) which are uniformly distributed are formed in the top of the fastening ring (3), a bolt (5) is in threaded connection with the inner wall of each threaded hole (4), the bolt (5) is in threaded connection with the chuck (2), a locking groove (6) is formed in the lower end of one side of the bolt (5), fastening screws (7) are in threaded connection with the two sides of the chuck (2), the fastening screws (7) are in threaded connection with the locking grooves (6), a jack (9) is formed in one side of the drill bit body (1), an installation cavity (10) is formed in the chuck (2), a spring (11) is fixedly connected to the inner wall of the installation cavity (10), and a push plate (12) is fixedly connected, push pedal (12) deviate from one side fixedly connected with inserted bar (13) of spring (11), inserted bar (13) are pegged graft with jack (9), one side fixedly connected with pull rod (14) that is close to spring (11) of push pedal (12), pull rod (14) and chuck (2) swing joint.

2. The multi-head mullion drilling device of claim 1, wherein: the drill bit is characterized in that external threads are arranged at the bottom of the drill bit body (1), and the drill bit body (1) is connected with the chuck (2) through the external threads.

3. The multi-head mullion drilling device of claim 1, wherein: the inner wall of the threaded hole (4) is provided with a protective cap (8), and the upper end of the bolt (5) is located inside the protective cap (8).

4. The multi-head mullion drilling device of claim 1, wherein: one end of the pull rod (14) departing from the push plate (12) is fixedly connected with a hook.

5. The multi-head mullion drilling device of claim 1, wherein: the surface of the inserted bar (13) is sleeved with a sealing ring, and the sealing ring is movably connected with the jack (9).