CN212070508U - Small-aperture perforating device for gas pipeline - Google Patents

Small-aperture perforating device for gas pipeline Download PDF

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Publication number
CN212070508U
CN212070508U CN202020694387.6U CN202020694387U CN212070508U CN 212070508 U CN212070508 U CN 212070508U CN 202020694387 U CN202020694387 U CN 202020694387U CN 212070508 U CN212070508 U CN 212070508U
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China
Prior art keywords
hole
transmission shaft
drill bit
pipe
feeding rod
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Active
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CN202020694387.6U
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Chinese (zh)
Inventor
李占峰
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Hohhot China Gas Urban Gas Development Co ltd
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Hohhot China Gas Urban Gas Development Co ltd
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Priority to CN202020694387.6U priority Critical patent/CN212070508U/en
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Abstract

The utility model discloses a gas pipeline aperture trompil device that declines, it includes junction tube, connection ball valve, axle sleeve, frame, transmission shaft, drill bit, trompil spanner and feed rod. The utility model adopts the hollow saw to open the hole, and only need to cut the hole, thereby reducing the production of scrap iron, prolonging the service life of the valve, and reducing the incidence of safety accidents caused by leakage noise due to valve blockage; time and labor are saved, the hole opening efficiency is high, the abrasion to the drill bit can be reduced, and the service life of the drill bit is prolonged; the transmission shaft is hermetically connected with the support plate through the framework oil seal structure, so that in the embodiment, the gas cannot leak out from a gap between the transmission shaft and the support plate in the hole forming process, and the safety of the hole forming process is ensured; the utility model discloses simple structure, it is reasonable to set up, and convenient to use can realize the trompil industry to the aperture pipe area, can also realize taking the gas operation, guarantees the continuous stable air feed, has improved the continuous stability of gas pipe network.

Description

Small-aperture perforating device for gas pipeline
The technical field is as follows:
the utility model relates to a gas pipeline construction equipment especially relates to a gas pipeline aperture trompil device that declines.
Background art:
along with the continuous extension of city gas pipe network, often need plug into the gas pipeline, the trompil equipment commonly used at present can only carry out the trompil of taking gas to more than DN100 and plug into, and to the operation pipeline below DN100, because do not have professional trompil equipment of plugging into, can only stop the gas earlier and then plug into, influence the continuity of gas pipe network air feed, also influence the experience degree of using gas user. Meanwhile, the existing commonly used drilling equipment usually adopts a solid wind steel drill bit to drill holes, the drill bit is in a conical structure, a small hole needs to be drilled on a pipeline firstly in the drilling process, then the preset hole diameter is drilled step by step, the drilling is time-consuming and labor-consuming, the drill bit is seriously worn, and the service life is seriously influenced; and can produce a lot of iron fillings at the in-process of drilling, it is a long time, under the drive of the gas air current of iron fillings, remove to valve department and can cause the jam of valve, lead to the valve switch not tight, seriously influence the control of gas pipeline, can cause the gas to leak even, have very big potential safety hazard.
The utility model has the following contents:
an object of the utility model is to provide a gas pipeline aperture trompil device that declines, simple structure, convenient to use can guarantee the safe and reliable of work progress.
The utility model discloses by following technical scheme implement:
the small-aperture tapping device for the gas pipeline comprises a short connecting pipe, a connecting ball valve, a shaft sleeve, a rack, a transmission shaft, a drill bit, a tapping wrench and a feeding rod;
one end of the short connecting pipe is sealed and welded with the pipeline to be perforated, and the short connecting pipe and the pipeline to be perforated are perpendicular to each other; the other end of the short connecting pipe is connected with one end of the shaft sleeve through the connecting ball valve;
the rack comprises two support plates, the two support plates are fixedly connected through a plurality of connecting rods, and the connecting rods are perpendicular to the support plates; a through hole is formed in one support plate, and a threaded hole is formed in the other support plate;
one end of the transmission shaft is integrally provided with a wrenching joint matched with the tapping wrench, and the tapping wrench is sleeved on the wrenching joint; the drill bit is connected to the other end of the transmission shaft in a threaded manner;
one end of the transmission shaft provided with the drill bit sequentially penetrates through the through hole, the shaft sleeve and the short connecting pipe and is arranged in the short connecting pipe; one end of the transmission shaft provided with the wrenching joint is arranged between the two support plates; one end of the shaft sleeve, which is far away from the connecting ball valve, is fixedly connected with the supporting plate provided with the through hole, and the shaft sleeve and the through hole are concentrically arranged; the transmission shaft is hermetically connected with the supporting plate provided with the through hole through a sealing structure;
the feeding rod is provided with external threads matched with the internal threads of the threaded hole, the feeding rod is in threaded connection with the threaded hole, one end of the feeding rod, which is arranged on the outer side of the two supporting plates relative to each other, is provided with a handle, the other end of the feeding rod is of a conical structure, one end of the pulling joint, which is close to the feeding rod, is provided with a groove, and the other end of the feeding rod is abutted to the groove.
Further, the drill bit is a hollow saw.
Furthermore, the sealing structure adopts a framework oil seal structure.
Furthermore, a pressure measuring port is formed in the shaft sleeve, and a pressure measuring valve is arranged at the pressure measuring port.
The utility model has the advantages that:
the hollow saw is adopted for drilling, and only the hole is required to be cut, so that the generation amount of scrap iron is reduced, the service life of the valve is prolonged, and the occurrence rate of safety accidents of leakage noise caused by valve blockage is reduced; time and labor are saved, the hole opening efficiency is high, the abrasion to the drill bit can be reduced, and the service life of the drill bit is prolonged; the transmission shaft is hermetically connected with the support plate through the framework oil seal structure, so that in the embodiment, the gas cannot leak out from a gap between the transmission shaft and the support plate in the hole forming process, and the safety of the hole forming process is ensured; the utility model discloses simple structure, it is reasonable to set up, and convenient to use can realize the trompil industry to the aperture pipe area, can also realize taking the gas operation, guarantees the continuous stable air feed, has improved the continuous stability of gas pipe network.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present embodiment.
In the figure: connecting pipe spool 1, connecting ball valve 2, axle sleeve 3, frame 4, backup pad 4.1, connecting rod 4.2, through-hole 4.3, screw hole 4.4, transmission shaft 5, throw festival 6, drill bit 7, trompil spanner 8, feed rod 9, handle 10, treat trompil pipeline 11, seal structure 12, pressure measurement mouth 13, pressure measurement valve 14.
The specific implementation mode is as follows:
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:
the gas pipeline small-bore tapping device shown in fig. 1 comprises a short connecting pipe 1, a connecting ball valve 2, a shaft sleeve 3, a frame 4, a transmission shaft 5, a drill bit 7, a tapping wrench 8 and a feeding rod 9;
one end of the short connecting pipe 1 is sealed and welded with the pipeline 11 to be perforated, and the two ends are perpendicular to each other; the other end of the short connecting pipe 1 is connected with one end of the shaft sleeve 3 through a connecting ball valve 2;
the frame 4 comprises two support plates 4.1, the two support plates 4.1 are fixedly connected through a plurality of connecting rods 4.2, and the connecting rods 4.2 are perpendicular to the support plates 4.1; a through hole 4.3 is arranged on one support plate 4.1, and a threaded hole 4.4 is arranged on the other support plate 4.1;
one end of the transmission shaft 5 is integrally provided with a wrenching joint 6 matched with the tapping wrench 8, and the tapping wrench 8 is sleeved on the wrenching joint 6; the drill bit 7 is connected to the other end of the transmission shaft 5 in a threaded mode, the drill bit 7 is a hollow saw made of cast steel materials, only the hole needs to be cut, the production amount of scrap iron is reduced, time and labor are saved, hole opening efficiency is high, abrasion to the drill bit 7 can be reduced, and the service life of the hollow saw is prolonged.
One end of the transmission shaft 5 provided with the drill bit 7 sequentially penetrates through the through hole 4.3, the shaft sleeve 3 and the short connecting pipe 1 and is arranged in the short connecting pipe 1; one end of a transmission shaft 5 provided with a wrenching joint 6 is arranged between the two supporting plates 4.1; one end of the shaft sleeve 3, which is far away from the connecting ball valve 2, is fixedly connected with a supporting plate 4.1 provided with a through hole 4.3, and the shaft sleeve 3 and the through hole 4.3 are concentrically arranged; transmission shaft 5 passes through seal structure 12 sealing connection with backup pad 4.1 of seting up through-hole 4.3, and in this embodiment, seal structure 12 adopts skeleton oil blanket structure, can guarantee at the trompil in-process, and the gas can not leak by the clearance between transmission shaft 5 and the backup pad 4.1, guarantees the safety of trompil process.
The pressure measuring port 13 is formed in the shaft sleeve 3, the pressure measuring valve 14 is arranged at the pressure measuring port 13, pressure monitoring on the connecting short pipe 1 can be achieved, an operator can recheck the pressure value of the pipeline on site, and the requirement of the operation scheme is met. After the tapping is finished, the pressure measurement of the original running pipeline, namely the pipeline 11 to be tapped, can be realized.
The feeding rod 9 is provided with an external thread matched with the internal thread of the threaded hole 4.4, the feeding rod 9 is in threaded connection with the threaded hole 4.4, one end of the feeding rod 9, which is arranged on the outer side of the two supporting plates 4.1 relatively, is provided with a handle 10, the other end of the feeding rod 9 is of a conical structure, one end of the pulling joint 6, which is close to the feeding rod 9, is provided with a groove, and the other end of the feeding rod 9 is abutted to the groove.
The working principle is as follows:
in this embodiment, the short connecting pipe 1 not only positions the opening position, but also limits the drill bit 7 to a certain extent. The feeding rod 9 is tightly abutted with the wrench joint 6 by screwing the feeding rod 9, and the tapping wrench 8 is used for rotating the wrench joint 6 to drive the hollow saw to rotate so as to tap a hole on the pipeline 11 to be tapped. After the trompil was accomplished, twist into feed rod 9 through the opposite direction, make feed rod 9 and pull festival 6 no longer the butt, drive drill bit 7 through removing transmission shaft 5 and shift out behind junction tube 1, the accessible is connected ball valve 2 and is sealed to the area trachea way, simultaneously, can dismantle axle sleeve 3 and the link of being connected ball valve 2 and open to will connect ball valve 2 and newly-built pipe connection, realized plugging into to newly-built pipeline promptly.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The gas pipeline small-aperture tapping device is characterized by comprising a short connecting pipe, a connecting ball valve, a shaft sleeve, a rack, a transmission shaft, a drill bit, a tapping wrench and a feeding rod;
one end of the short connecting pipe is sealed and welded with the pipeline to be perforated, and the short connecting pipe and the pipeline to be perforated are perpendicular to each other; the other end of the short connecting pipe is connected with one end of the shaft sleeve through the connecting ball valve;
the rack comprises two support plates, the two support plates are fixedly connected through a plurality of connecting rods, and the connecting rods are perpendicular to the support plates; a through hole is formed in one support plate, and a threaded hole is formed in the other support plate;
one end of the transmission shaft is integrally provided with a wrenching joint matched with the tapping wrench, and the tapping wrench is sleeved on the wrenching joint; the drill bit is connected to the other end of the transmission shaft in a threaded manner;
one end of the transmission shaft provided with the drill bit sequentially penetrates through the through hole, the shaft sleeve and the short connecting pipe and is arranged in the short connecting pipe; one end of the transmission shaft provided with the wrenching joint is arranged between the two support plates; one end of the shaft sleeve, which is far away from the connecting ball valve, is fixedly connected with the supporting plate provided with the through hole, and the shaft sleeve and the through hole are concentrically arranged; the transmission shaft is hermetically connected with the supporting plate provided with the through hole through a sealing structure;
the feeding rod is provided with external threads matched with the internal threads of the threaded hole, the feeding rod is in threaded connection with the threaded hole, one end of the feeding rod, which is arranged on the outer side of the two supporting plates relative to each other, is provided with a handle, the other end of the feeding rod is of a conical structure, one end of the pulling joint, which is close to the feeding rod, is provided with a groove, and the other end of the feeding rod is abutted to the groove.
2. The gas pipeline small-bore tapping device as claimed in claim 1, wherein the drill bit is a hollow saw.
3. The gas pipeline small-bore tapping device as claimed in claim 1, wherein the sealing structure is a framework oil seal structure.
4. The gas pipeline small-aperture tapping device as claimed in claim 1, wherein a pressure measuring port is formed in the shaft sleeve, and a pressure measuring valve is arranged at the pressure measuring port.
CN202020694387.6U 2020-04-29 2020-04-29 Small-aperture perforating device for gas pipeline Active CN212070508U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020694387.6U CN212070508U (en) 2020-04-29 2020-04-29 Small-aperture perforating device for gas pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020694387.6U CN212070508U (en) 2020-04-29 2020-04-29 Small-aperture perforating device for gas pipeline

Publications (1)

Publication Number Publication Date
CN212070508U true CN212070508U (en) 2020-12-04

Family

ID=73588152

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020694387.6U Active CN212070508U (en) 2020-04-29 2020-04-29 Small-aperture perforating device for gas pipeline

Country Status (1)

Country Link
CN (1) CN212070508U (en)

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