CN109577873B

CN109577873B - Perforated pipe

Info

Publication number: CN109577873B
Application number: CN201811462894.0A
Authority: CN
Inventors: 李政; 宋海洲; 王梦月; 张峰; 王建; 张仁同
Original assignee: Zoucheng Yankuang Taide Industry and Trade Co Ltd
Current assignee: Shandong Yanneng Taide Heavy Industry Co.,Ltd.
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2020-05-22
Anticipated expiration: 2038-12-03
Also published as: CN109577873A

Abstract

The invention discloses a perforated pipe, which structurally comprises a pipe body, internal threads and a coupling device, wherein the pipe body is of a cylindrical structure with a middle through hole, the internal threads are arranged on the side wall of the upper end inside the pipe body, the utility model has the advantages that in order to solve the problem that the connection stability of the perforated pipe is poor when drilling and the perforated pipe is loosened when in transmission, by arranging the coupling device, the upper flange connecting disc and the lower flange connecting disc are inserted into the elastic body through the fixing block, the vibration force generated by the perforated pipe during working can be reduced, the stability of connection with the drill bit is increased, meanwhile, the friction force between the coupling device and the perforated pipe is reduced, the service life is prolonged, be provided with the blotter bottom the elastomer, reduce the inside vibration amplitude of frame, reached and increased the trompil pipe and connect stability when boring, make the trompil pipe can not become flexible beneficial effect when the transmission.

Description

Perforated pipe

Technical Field

The invention relates to the technical field of perforated pipes, in particular to a perforated pipe.

Background

A drilling machine is a set of complex machines, which is composed of machines, units and mechanisms, and is a mechanical device for driving a drilling tool to drill underground to obtain real geological data in exploration or development of mineral resources (including solid ore, liquid ore, gas ore and the like).

Disclosure of Invention

Technical problem to be solved

In order to overcome the prior art not enough, now provide a trompil pipe to solve the trompil pipe of current drill bit upper end and use the screw thread to be connected with the drill bit, make the trompil pipe poor in connection stability when boring, thereby make the trompil pipe not hard up problem when the transmission, reached increase the trompil pipe connection stability when boring, make the trompil pipe can not become hard up beneficial effect when the transmission.

(II) technical scheme

The invention is realized by the following technical scheme: the invention provides a perforated pipe, which comprises a pipe body, an internal thread and a coupling device, wherein the pipe body is of a cylindrical structure with a middle through hole, the upper end side wall inside the pipe body is provided with the internal thread, the coupling device is positioned at the top of the pipe body and is in threaded connection with the top of the pipe body through the internal thread, the coupling device comprises an upper flange connecting disc, an elastic body, an outer frame, a locking bolt, a buffer cushion, a sealing ring, a lower connecting shaft, a lower flange connecting disc, an upper connecting shaft and a fixing block, the lower connecting shaft is positioned at the top of the pipe body and is in threaded connection with the top of the pipe body through the internal thread, the lower connecting shaft is of a cylindrical structure, the lower connecting shaft is in vertical seamless welding with the middle of the bottom of the lower flange connecting disc through a gasket, the fixing, the utility model discloses a gasket, including the frame, the frame is inboard, the blotter is located lower flange connection pad top to carry out perpendicular grafting with lower flange connection pad top, the sealing washer is cylinder structure and sealing washer and carries out seamless bonding through bonding glue and the right front end inboard in blotter top, the fixed block carries out perpendicular grafting with the inboard lower extreme of elastomer, the elastomer is located the frame inboard to carry out perpendicular threaded connection through locking bolt and frame inside wall, go up flange connection pad and the inboard upper end of elastomer and carry out perpendicular grafting, go up the cylinder structure of connecting axle for middle through-hole and go up the connecting axle and carry out seamless welding through inside wall in the middle of gasket and last flange connection pad.

Furthermore, the number of the sealing rings is four, and the sealing rings are uniformly distributed along four corners of the top of the cushion pad.

Furthermore, the number of the fixing blocks is more than 2, and the fixing blocks are uniformly distributed along the top edge of the lower flange connecting disc and the bottom edge of the upper flange connecting disc.

Further, the upper end of the connecting shaft is provided with external threads, the external threads are uniformly distributed along the outer surface of the lower connecting shaft, and the external threads are spirally the same as the internal threads.

Furthermore, the number of the locking bolts is two, and the locking bolts are symmetrically distributed along the left front end of the outer frame and the right rear end of the outer frame.

Further, the thickness of the elastic body is equal to the depth of the outer frame.

Furthermore, the upper flange connecting disc and the lower flange connecting disc are made of alloy materials, are high in hardness and are not prone to rusting.

Furthermore, the locking bolt is made of a carbonized steel material, so that the hardness is high, and the corrosion resistance is strong.

III) beneficial effects

Compared with the prior art, the invention has the following beneficial effects:

1) for solving the trompil pipe connection stability poor when boring to get, thereby make the problem of the not hard up problem of trompil pipe when the transmission, through being provided with the shaft coupling device, go up flange connection pad and lower flange connection pad and pass through the fixed block and peg graft inside the elastomer, can reduce the shaking force that the trompil pipe produced at the during operation, increase the stability of being connected with the drill bit, reduce the frictional force between shaft coupling device and the trompil pipe simultaneously, increase life, be provided with the blotter bottom the elastomer, reduce the inside range of vibration of frame, it connects stability when boring to have reached to increase the trompil pipe, make the trompil pipe can not become flexible beneficial effect when the transmission.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a schematic view of the inside structure of the perforated pipe of the present invention;

FIG. 3 is a schematic view of the internal structure of the coupling device of the present invention;

FIG. 4 is a schematic view of the internal structure of the cushion of the present invention.

In the figure: the pipe comprises a pipe body-1, an internal thread-2, a coupling device-3, an upper flange connecting disc-301, an elastic body-302, an outer frame-303, a locking bolt-304, a cushion pad-305, a sealing ring-306, a lower connecting shaft-307, a lower flange connecting disc-308, an upper connecting shaft-309 and a fixing block-310.

Detailed Description

In the technical scheme:

the coupling device 3, the upper flange connection disc 301, the elastic body 302, the outer frame 303, the locking bolt 304, the cushion pad 305, the sealing ring 306, the lower connection shaft 307, the lower flange connection disc 308, the upper connection shaft 309 and the fixing block 310 are substantial innovative components of the present invention.

The tube body 1 and the internal thread 2 are connecting members essential for realizing the technical scheme of the invention.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a perforated pipe: the pipe comprises a pipe body 1, an internal thread 2 and a coupling device 3, wherein the pipe body 1 is of a cylindrical structure with a middle through hole, the internal thread 2 is arranged on the side wall of the upper end in the pipe body 1, the coupling device 3 is positioned at the top of the pipe body 1 and is in threaded connection with the top of the pipe body 1 through the internal thread 2, the coupling device 3 comprises an upper flange connecting disc 301, an elastic body 302, an outer frame 303, a locking bolt 304, a buffer pad 305, a sealing ring 306, a lower connecting shaft 307, a lower flange connecting disc 308, an upper connecting shaft 309 and a fixing block 310, the lower connecting shaft 307 is positioned at the top of the pipe body 1 and is in threaded connection with the top of the pipe body 1 through the internal thread 2, the lower connecting shaft 307 is of a cylindrical structure and is in vertical seamless welding with the middle of the bottom of the lower flange connecting disc 308 through a gasket, the buffer pad 305 is located the top of lower flange connection pad 308, and carry out perpendicular grafting with lower flange connection pad 308 top, sealing washer 306 is the cylinder structure and sealing washer 306 carries out seamless bonding through adhesive cement and the right front end inboard in buffer pad 305 top, fixed block 310 carries out perpendicular grafting with the inboard lower extreme of elastomer 302, elastomer 302 is located frame 303 is inboard, and carry out perpendicular threaded connection through locking bolt 304 and frame 303 inside wall, go up flange connection pad 301 and carry out perpendicular grafting with the inboard upper end of elastomer 302, go up connecting axle 309 and carry out seamless welding through gasket and the inside wall in the middle of upper flange connection pad 301 top for the cylinder structure of middle through-hole.

Wherein, the number of the sealing rings 306 is four, and the sealing rings 306 are uniformly distributed along four corners of the top of the cushion pad 305.

The number of the fixing blocks 310 is greater than 2, and the fixing blocks 310 are uniformly distributed along the top edge of the lower flange connecting disc 308 and the bottom edge of the upper flange connecting disc 301.

Wherein, the upper end of the connecting shaft 307 is provided with an external thread, and the external thread is uniformly distributed along the outer surface of the lower connecting shaft 307, and the external thread is spirally the same as the internal thread 2.

The number of the locking bolts 304 is two, and the locking bolts 304 are symmetrically distributed along the left front end of the outer frame 303 and the right rear end of the outer frame 303.

The thickness of the elastic body 302 is equal to the depth of the outer frame 303.

The upper flange connecting disc 301 and the lower flange connecting disc 308 are made of alloy materials, are high in hardness and are not prone to rusting.

The locking bolt 304 is made of a carbide steel material, and has high hardness and strong corrosion resistance.

The elastic body 302 described in this patent refers to a material that can recover its original shape after the external force is removed, however, the elastic material is not necessarily an elastic body, and the elastic body deforms significantly only under weak stress, and can recover to a polymer material close to its original state and size quickly after the stress is relaxed; the seal ring 306 is resilient and has mechanical strength including expansion strength, elongation, tear resistance, and the like.

The working principle is as follows: firstly, screwing a lower connecting shaft 307 into the inner side of the top of a pipe body 1, enabling an external thread at the upper end of the lower connecting shaft 307 to be meshed with an internal thread 2 at the inner side of the top of the pipe body 1, fixing a coupling device 3 and the pipe body 1, fixing a lower flange connecting disc 308 through bolts, inserting a cushion pad 305 and an elastic body 302 into the upper end of a fixing block 310 at the top of the lower flange connecting disc 308, inserting the upper flange connecting disc 308 into the inner side of the upper end of the elastic body 302, then sleeving an outer frame 303 on the outer end of the elastic body 302, locking the outer frame 303, the elastic body 302 and the fixing block 310 through a locking bolt 304, fixing an upper connecting shaft 309 with a drill bit, and fixing the upper connecting shaft 309 with the drill bit through an upper connecting flange 301; when the trompil pipe carries out the during operation, go up flange connection pad 301 and lower flange connection pad 308 and peg graft inside elastomer 302 through fixed block 310, elastomer 302 can dilute the shaking force when the transmission, and then reduce the shaking force that the trompil pipe produced at the during operation, increase the stability of being connected with the drill bit, reduce the frictional force between shaft coupling device 3 and the trompil pipe simultaneously, increase life and increase trompil pipe and shaft coupling device 3's connection stability, be provided with blotter 305 in elastomer 302 bottom, reduce the inside vibration range of frame 303, increase the work efficiency of trompil pipe, wherein sealing washer 306 plays the leakproofness to between blotter 305 and elastomer 302.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a perforated pipe, includes body (1) and internal thread (2), its characterized in that: the connecting device is characterized by further comprising a coupling device (3), the pipe body (1) is of a cylindrical structure with a middle through hole, an inner thread (2) is arranged on the side wall of the upper end inside the pipe body (1), the coupling device (3) is located at the top of the pipe body (1) and is in threaded connection with the top of the pipe body (1) through the inner thread (2), the coupling device (3) comprises an upper flange connecting disc (301), an elastic body (302), an outer frame (303), a locking bolt (304), a buffering pad (305), a sealing ring (306), a lower connecting shaft (307), a lower flange connecting disc (308), an upper connecting shaft (309) and a fixing block (310), the lower connecting shaft (307) is located at the top of the pipe body (1) and is in threaded connection with the top of the pipe body (1) through the inner thread (2), the lower connecting shaft (307) is of a cylindrical structure, and the lower connecting shaft (307), fixed block (310) are cuboid structure and fixed block (310) and carry out perpendicular seamless bonding through adhesive cement and lower flange connection pad (308) top front end edge, blotter (305) are located lower flange connection pad (308) top to carry out perpendicular grafting with lower flange connection pad (308) top, sealing washer (306) are cylinder structure and sealing washer (306) and carry out seamless bonding through adhesive cement and blotter (305) top right front end inboard, fixed block (310) carry out perpendicular grafting with elastomer (302) inboard lower extreme, elastomer (302) are located frame (303) are inboard, and carry out perpendicular threaded connection through locking bolt (304) and frame (303) inside wall, go up flange connection pad (301) and elastomer (302) inboard upper end and carry out perpendicular grafting, go up connecting axle (309) and go up connecting axle (309) for the cylinder structure of middle through-hole through gasket and last flange connection pad (301) top middle connecting axle (309) through the gasket And the inner side wall is welded in a seamless mode.

2. An open cell tube as claimed in claim 1, wherein: the number of the sealing rings (306) is four, and the sealing rings (306) are uniformly distributed along four corners of the top of the cushion pad (305).

3. An open cell tube as claimed in claim 1, wherein: the number of the fixing blocks (310) is more than 2, and the fixing blocks (310) are uniformly distributed along the top edge of the lower flange connecting disc (308) and the bottom edge of the upper flange connecting disc (301).

4. An open cell tube as claimed in claim 1, wherein: the upper end of the connecting shaft (307) is provided with an external thread, the external thread is uniformly distributed along the outer surface of the lower connecting shaft (307), and the external thread is spirally the same as the internal thread (2).

5. An open cell tube as claimed in claim 1, wherein: the number of the locking bolts (304) is two, and the locking bolts (304) are symmetrically distributed along the left front end of the outer frame (303) and the right rear end of the outer frame (303).

6. An open cell tube as claimed in claim 1, wherein: the thickness of the elastic body (302) is equal to the depth of the outer frame (303).