CN111496920A

CN111496920A - PE shunt pipeline drilling machine

Info

Publication number: CN111496920A
Application number: CN202010377043.7A
Authority: CN
Inventors: 白雅秀; 刘杰平; 肖玉锋; 杨春园
Original assignee: Zhuhai Guanghua Gas Fire Fighting Engineering Co ltd
Current assignee: Zhuhai Guanghua Gas Fire Fighting Engineering Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-08-07

Abstract

The invention discloses a PE shunt pipeline drilling machine which comprises a feed structure, wherein the feed structure consists of a handle and a sleeve, a connecting piece for pressure test is arranged at the lower end of the feed structure, a screwing thread is arranged between the connecting piece for pressure test and the feed structure, a clamp is arranged at the lower end of the connecting piece for pressure test, a three-way connecting pipe is arranged at the lower end of the clamp, a connecting thread is arranged at a side port of the three-way connecting pipe, a pipeline valve is arranged on the side surface of the connecting piece for pressure test, a fixed processing sleeve is arranged at the lower end of the three-way connecting pipe, a drill rod is communicated and inserted among the fixed processing sleeve, the clamp, the connecting piece for pressure test and the feed structure, and a ratchet wrench is arranged at the upper end of. The invention has small earth excavation area, does not influence the normal gas supply of the operated gas pipeline, is convenient and fast in pipeline connection operation and has no gas loss.

Description

PE shunt pipeline drilling machine

Technical Field

The invention relates to the technical field of PE shunt pipe processing, in particular to a PE shunt pipe drilling machine.

Background

In the fast development of cities, town roads are continuously upgraded and updated, a large number of resident users are required to use gas while urbanization is carried out, a branch pipe is required to be connected from a natural gas main pipeline to each unit gas user, the gas in the gas pipeline is required to be stopped according to the common condition, the gas pipeline is cut off, a three-way joint is installed, and then a bypass pipe is connected to the three-way joint; the method has the defects of large influence range of gas cut-off, more economic loss, and very trouble of digging out the whole pipeline during construction. Therefore, the design uses a drill-through-branch tool. The utility model provides a PE reposition of redundant personnel pipeline drilling machine is in order to solve the buried gas pipeline operation that proposes in the above-mentioned background art, not only makes the gas pipe network realize safe operation and stable air feed, provides the assurance for user's normal gas use, can also reduce the tolerance loss when newly-built pipeline gas cut-off operation in a large number, creates economic benefits for the enterprise.

Disclosure of Invention

In order to achieve the above purpose, the technical scheme adopted by the invention is that the invention provides a PE shunt pipeline drilling machine, which comprises a feed structure, wherein the feed structure is composed of a handle and a sleeve, a pressure test connecting piece is arranged at the lower end of the feed structure, a screwing thread is arranged between the pressure test connecting piece and the feed structure, a clamp is arranged at the lower end of the pressure test connecting piece, a three-way connecting pipe is arranged at the lower end of the clamp, a connecting thread is arranged at a side port of the three-way connecting pipe, a pipeline valve is arranged on the side surface of the pressure test connecting piece, a fixed processing sleeve is arranged at the lower end of the three-way connecting pipe, a drill rod is inserted and communicated among the fixed processing sleeve, the clamp, the pressure test connecting piece and the feed structure, and a ratchet wrench is arranged at the upper.

Preferably, the fixed processing sleeve is formed by screwing and splicing two semicircular bolts.

Preferably, a connecting flange is arranged between the connecting piece for pressure test and the clamp.

Preferably, the lower end of the rotating rod is provided with a drill bit, and the drill bit extends out of the inner side surface of the fixed machining sleeve.

Compared with the prior art, the invention has the advantages and positive effects that the earth excavation area is small, the normal gas supply of the operated gas pipeline is not influenced, the pipeline connection operation is convenient, and no gas loss exists.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

Fig. 1 is a schematic structural view of a PE shunt line drilling machine according to this embodiment;

shown in the figure: 1. a feed structure; 2. a connecting piece for pressure test; 3. screwing threads; 4. a clamp; 5. a three-way connecting pipe; 6. connecting threads; 7. a pipeline valve; 8. fixing a processing sleeve; 9. a drill stem; 10. a ratchet wrench; 11. a connecting flange; 12. a drill bit.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

The embodiment can be seen from the attached fig. 1 of the specification, the present invention provides a PE shunt pipeline drilling machine, which comprises a feed structure 1, the feed structure 1 consists of a handle and a sleeve, the lower end of the feed structure 1 is provided with a connecting piece 2 for pressure test, a screwing thread 3 is arranged between the pressure test connecting piece 2 and the feed structure 1, a clamp 4 is arranged at the lower end of the pressure test connecting piece 2, the lower end of the clamp 4 is provided with a three-way connecting pipe 5, a side port of the three-way connecting pipe 5 is provided with a connecting thread 6, a pipeline valve 7 is arranged on the side surface of the connecting piece 2 for pressure test, a fixed processing sleeve 8 is arranged at the lower end of the three-way connecting pipe 5, a drill rod 9 is communicated and inserted among the fixed machining sleeve 8, the clamp 4, the pressure test connecting piece 2 and the feed structure 1, and a ratchet wrench 10 is arranged at the upper end of the drill rod 9.

In the above scheme, fixed processing cover 8 is twisted soon for two semicircular structure bolts to splice and forms, connecting piece 2 for the pressure testing with be provided with flange 11 between anchor clamps 4, the lower extreme of bull stick is provided with drill bit 12, drill bit 12 stretches out the inboard surface of fixed processing cover 8.

It is important to point out that, in the specific implementation process, before the drilling process begins, the drill rod 9 is confirmed to be locked, the condition of the drill bit 12 is periodically checked, the drill bit is sharp and sharp, and the thread is kept clean and lubricated all the time. Selecting a drill bit 12 with proper size and a drill rod 9 with proper length according to branches and valves to be connected, screwing the drill bit 12 onto the drill rod 9, wherein the length of the drill rod 9 depends on stroke, a drilling machine and the drill bit 12, selecting a clamp 4 according to the size of a socket end of a ball valve, selecting a proper tapping knife, checking whether sealing rings of all parts are damaged or not, the drill rod 9 is not bent, the outer wall of the drill rod is smooth and has no damage, opening a copper connecting piece at the bottom of the rotary drilling machine to connect a feed mechanism with a pressure test connecting piece, connecting the pressure test connecting piece 2 connected with the feed mechanism with the clamp 4, loosening two screws of a locking tong head by using an inner hexagonal plate to enable the drill rod 9 to freely pass through the locking tong head, uniformly coating special lubricating silicone oil on the drill rod 9, inserting the drill rod 9 into the connected drilling machine, pressure test connecting piece and clamp 4, installing the tapping knife at the top end of the drill rod 9 and locking, the assembled clamp 4 is pushed to the plug end of the valve until the clamp is not pushed, at the moment, 2 sealing rings on the front half part of the clamp 4 completely cover the outer wall of the inserting opening, two semicircular outer rings of the clamp 4 are buckled together, and one end with teeth is buckled at the plug end of the valve. Two fixing screws of the PE clamp 4 are tightened by using an 8-millimeter hexagonal wrench, and the drill rod 9 is slowly pushed forwards until the drill bit 12 contacts the outer wall of the main pipeline. In order to ensure that the tapping knife can smoothly pass through the valve, the step can also be completed before the clamp 4 is connected with the valve, a locking tong head fixing screw for fixing the drill rod 9 at the top end of the drilling machine is locked by an 8-millimeter hexagonal wrench, and a pressure test is carried out before drilling, wherein the test pressure is 1 bar. And (3) checking whether leakage exists at all connecting parts by using the test liquid, cleaning the test liquid after testing, installing a ratchet wrench 10, rotating the drill rod 9 clockwise, and rotating the drill rod 9 while clockwise rotating two black handles on the drilling machine. And rotating the black handle clockwise to advance the drilling cutter, paying attention to the matching of the rotating speed of the drill rod 9 and the feed amount at the moment, loosening a locking tong head fixing screw for fixing the drill rod 9 at the top end of the drilling machine, guiding the drill rod 9 to slowly retreat until the drilling cutter completely retreats in place, and closing the valve after determining that the valve rod is completely withdrawn. Opening a pressure testing valve at the position of the connecting piece 2 for testing the pressure, removing gas in the drilling machine, then loosening the clamp 4, withdrawing the connection between the drilling machine and the valve, withdrawing the connection between the drill cutter and the drill rod 9, pressing out the copper rod by using a special drill block to eject drill cuttings in the drill cutter without using other tools so as to avoid damaging the drill bit 12. The drill rod 9 is withdrawn, the connections of the components are separated in sequence and the components are placed in a fixed position in the tool box.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The PE shunt pipeline drilling machine is characterized by comprising a feed structure (1), wherein the feed structure (1) comprises a handle and a sleeve, a connecting piece (2) for pressure test is arranged at the lower end of the feed structure (1), a screwing thread (3) is arranged between the connecting piece (2) for pressure test and the feed structure (1), a clamp (4) is arranged at the lower end of the connecting piece (2) for pressure test, a three-way connecting pipe (5) is arranged at the lower end of the clamp (4), a connecting thread (6) is arranged at a side position opening of the three-way connecting pipe (5), a pipeline valve (7) is arranged on the side surface of the connecting piece (2) for pressure test, a fixed processing sleeve (8) is arranged at the lower end of the three-way connecting pipe (5), and a drill rod (9) is arranged between the fixed processing sleeve (8), the clamp (4), the connecting piece (2) for pressure test and the feed structure (1) in a communicating, the upper end of the drill rod (9) is provided with a ratchet wrench (10).

2. The PE shunt pipeline drilling machine as claimed in claim 1, wherein the fixed machining sleeve (8) is formed by screwing and splicing two semicircular structural bolts.

3. A PE branch line drill according to claim 1, characterized in that a connecting flange (11) is arranged between the pressure test connection (2) and the clamp (4).

4. A PE branch line drill according to claim 1, characterized in that the lower end of the rotating rod is provided with a drill bit (12), said drill bit (12) protruding from the inner side surface of the fixed machining sleeve (8).