CN210755784U - Internal protection device for pipeline cutting - Google Patents

Internal protection device for pipeline cutting Download PDF

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Publication number
CN210755784U
CN210755784U CN201921430526.8U CN201921430526U CN210755784U CN 210755784 U CN210755784 U CN 210755784U CN 201921430526 U CN201921430526 U CN 201921430526U CN 210755784 U CN210755784 U CN 210755784U
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China
Prior art keywords
guard
pipeline
bolt
rope
protector
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Active
Application number
CN201921430526.8U
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Chinese (zh)
Inventor
秦正金
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Sinopec Engineering Group Co Ltd
Sinopec Nanjing Engineering Co Ltd
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Sinopec Engineering Group Co Ltd
Sinopec Nanjing Engineering Co Ltd
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Priority to CN201921430526.8U priority Critical patent/CN210755784U/en
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Abstract

The utility model discloses an inside protector of pipeline cutting, including the circular guard plate that two intervals set up, the guard plate is used for installing inside the pipeline, the global of guard plate be used for with the inside sliding fit of pipeline, be connected with the fire prevention cloth that is cylindric between two guard plates, the neighboring at fire prevention cloth both ends is connected respectively on the neighboring of two guard plates, one side of keeping away from the fire prevention cloth on two guard plates is connected with the stay cord respectively, is connected with between two guard plates and connects the rope, the length of connecting the rope is less than the maximum tensile length of cylindric fire prevention cloth. Put into protector from the one end of steel pipe before the pipeline cuts, utilize the stay cord to draw in protector to cutting position department, then the stay cord on two guard plates of pulling simultaneously fixes a position protector to place protector in the position department that needs the cutting protection, cylindric flameproof fabric droops naturally and has the cambered surface of undercut, and the cambered surface of flameproof fabric connects the iron oxide that splashes during the cutting, prevents that the pipeline from receiving the pollution.

Description

Internal protection device for pipeline cutting
Technical Field
The utility model relates to an inside protector of pipeline cutting belongs to piping erection technical field.
Background
With the continuous development of industrial technology and metallurgical technology and the continuous emergence of new products and new processes in various industries, the mass application trend of stainless steel pipelines in engineering construction engineering is continuously expanded, the installation quality requirement of stainless steel pipelines is high, especially the requirements on the welding quality and the internal cleanliness of the pipelines are high, and the thick-wall pipelines are generally processed by adopting a plasma cutting method under the field conditions and the construction cost. Although plasma cutting can satisfy the standard requirement, iron oxide splashes easily in the cutting process, the iron oxide splashes to the inside of the pipeline to pollute the pipeline, manual cleaning is needed, and the prior art lacks a method capable of effectively solving the splashing pollution of the iron oxide.
Disclosure of Invention
An object of the utility model is to provide an inside protector of pipeline cutting, iron oxide splashes when effectively solving the plasma cutting and leads to the technical problem of the inside pollution of pipeline.
The utility model adopts the following technical scheme: the utility model provides an inside protector of pipeline cutting, its includes the circular guard plate that two intervals set up, and the guard plate is used for installing inside the pipeline, the global of guard plate be used for with the inside sliding fit of pipeline, be connected with the fire prevention cloth that is cylindric between two guard plates, the neighboring at fire prevention cloth both ends is connected respectively on the neighboring of two guard plates, the one side of keeping away from the fire prevention cloth on two guard plates is connected with the stay cord respectively, be connected with the connection rope between two guard plates, the length of connecting the rope is less than the maximum tensile length of cylindric fire prevention cloth.
The center of each of the two protection plates is fixedly provided with a bolt in a penetrating mode, the front end of each bolt is close to the fireproof cloth, the rear end of each bolt is far away from the fireproof cloth, the connecting rope is fixed to the front end of each bolt, and the pull rope is fixed to the rear end of each bolt.
The bolt is an eye bolt with a ring at the rear end, and the pull rope is fixed on the ring of the eye bolt.
The circumference of the protection plate close to the outer edge is provided with a circle of through holes, and the protection plate is connected with the end part of the cylindrical fireproof cloth through iron wires arranged in the through holes in a penetrating mode.
The protection plate is a steel plate.
The connecting rope is a chain.
The pull rope is provided with a size mark.
And one end of the pull rope, which is far away from the protection plate, is provided with a pull ring.
The utility model has the advantages that: before the pipeline cutting, measure earlier and cut the position, will the utility model discloses a protector puts into in advance from the one end of steel pipe, then utilizes the stay cord to draw into protector from the one end of pipeline cutting position department, then the stay cord on two shields of pulling simultaneously fixes a position protector to place protector in the position department that needs cutting protection, the cylindric flameproof fabric is flagging naturally under the action of gravity and has the cambered surface of undercut, when cutting operation, the cambered surface of cylindric flameproof fabric undercut is used for connecing the iron oxide that splashes, prevent that the iron oxide from dropping to make the pipeline receive the pollution on the pipe inner wall. The utility model discloses can carry out the inside protection of pipeline cutting at the job site, facilitate for the project construction, improve the inside quality protection of pipeline to the loss of manpower that can significantly reduce and financial resources reduces potential safety hazard and engineering cost, improves the engineering benefit. The utility model has the advantages of simple structure, simple manufacture, convenient operation and low cost, is very convenient to carry and use, is not limited by the environment, and is suitable for various size pipelines.
Preferably, the bolts are fixed on the protection plates, and the connecting ropes and the pull ropes are connected to the front end and the rear end of the bolts respectively, so that the protection plate has the characteristic of simple and convenient assembly on a construction site.
Preferably, the use of eye bolts further increases the ease of assembly on site.
Preferably, a circle of through holes are formed in the protection plate, and the protection plate and the cylindrical fireproof cloth are connected together only through iron wires penetrating into the through holes during field assembly.
Preferably, have size identification on the stay cord, be favorable to fixing a position protector, make quick convenient the placing in cutting position department of protector.
Preferably, the pull ring is arranged on the pull rope, so that the pull ring is beneficial to pulling the protective device by field construction personnel.
Drawings
FIG. 1 is a cross-sectional view of a pipe cutting internal guard according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the shielding plate of fig. 1.
In the figure, 1-protective plate, 11-through hole, 12-iron wire, 2-fireproof cloth, 3-pull rope, 31-pull ring, 4-connecting rope, 5-bolt, 6-pipeline, 61-cutting position and 7-iron wire.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model relates to an inside protector of pipeline cutting of embodiment is as shown in fig. 1 to fig. 2, and the inside protector of pipeline cutting of this embodiment includes circular guard plate 1 that two intervals set up, and guard plate 1 is used for installing inside pipeline 6, and guard plate 1 global be used for with the inside sliding fit of pipeline 6, be connected with between two guard plates 1 and be cylindric fire prevention cloth 2, the neighboring at two guard plates 1 both ends is connected respectively on the neighboring of two guard plates 1, and one side of keeping away from fire prevention cloth 2 on two guard plates 1 is connected with stay cord 3 respectively, be connected with between two guard plates 1 and connect rope 4, the length of connecting rope 4 is less than the maximum tensile length of cylindric fire prevention cloth 2, connects rope 4 to be located 2 inner spaces of cylindric fire prevention cloth.
In this embodiment, the centers of the two protection plates 1 are fixedly provided with bolts 5, the front ends of the bolts 5 are close to the fireproof cloth 2, the rear ends of the bolts 5 are far away from the fireproof cloth 2, the connecting ropes 4 are fixed at the front ends of the bolts 5, and the pull ropes 3 are fixed at the rear ends of the bolts 5. The bolt 5 is an eye bolt with a ring at the rear end, the pull rope 3 is fixed on the ring of the eye bolt, the pull rope 3 is provided with a size mark, and one end of the pull rope 3, which is far away from the protection plate 1, is provided with a pull ring 31. The connecting rope 4 is a chain.
The protection plate 1 is a steel plate, a circle of through holes 11 are formed in the circumference, close to the outer edge, of the protection plate 1, and the protection plate 1 is connected with the end portions of the cylindrical fireproof cloth 2 through iron wires 7 penetrating through the through holes 11.
Before 6 cutting of pipeline, confirm cutting position 61 earlier, put into the protector of this embodiment from the one end of pipeline, then utilize stay cord 3 to draw in protector from the one end of pipeline 6 cutting position 61 department, then pull stay cord 3 on two protection plates 1 simultaneously and fix a position protector, thereby place protector in the position department that needs the cutting protection, cylindric flameproof fabric 2 hangs down naturally under the action of gravity has the cambered surface of undercut, when cutting operation, the cambered surface of cylindric flameproof fabric undercut is used for taking over the iron oxide that splashes, prevent that iron oxide from dropping to make the pipeline receive the pollution on the pipeline inner wall.
The utility model discloses can carry out the inside protection of pipeline cutting at the job site, facilitate for the project construction, improve the inside quality protection of pipeline to the loss of manpower that can significantly reduce and financial resources reduces potential safety hazard and engineering cost, improves the engineering benefit. The utility model has the advantages of simple structure, simple manufacture, convenient operation and low cost, is very convenient to carry and use, is not limited by the environment, and is suitable for various size pipelines.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.

Claims (8)

1. The utility model provides an inside protector of pipeline cutting which characterized in that: it includes the circular guard plate that two intervals set up, and the guard plate is used for installing inside the pipeline, the global of guard plate be used for with the inside sliding fit of pipeline, be connected with between two guard plates and be cylindric flameproof fabric, the neighboring at flameproof fabric both ends is connected respectively on the neighboring of two guard plates, keep away from one side of flameproof fabric on two guard plates and be connected with the stay cord respectively, be connected with between two guard plates and connect the rope, the length of connecting the rope is less than the maximum tensile length of cylindric flameproof fabric.
2. The pipe cutting internal guard of claim 1, wherein: the center of each of the two protection plates is fixedly provided with a bolt in a penetrating mode, the front end of each bolt is close to the fireproof cloth, the rear end of each bolt is far away from the fireproof cloth, the connecting rope is fixed to the front end of each bolt, and the pull rope is fixed to the rear end of each bolt.
3. The pipe cutting internal guard of claim 2, wherein: the bolt is an eye bolt with a ring at the rear end, and the pull rope is fixed on the ring of the eye bolt.
4. The pipe cutting internal guard of claim 1, wherein: the circumference of the protection plate close to the outer edge is provided with a circle of through holes, and the protection plate is connected with the end part of the cylindrical fireproof cloth through iron wires arranged in the through holes in a penetrating mode.
5. The pipe cutting internal guard of claim 4, wherein: the protection plate is a steel plate.
6. The pipe cutting internal guard of any one of claims 1 to 5, wherein: the pull rope is provided with a size mark.
7. The pipe cutting internal guard of any one of claims 1 to 5, wherein: the connecting rope is a chain.
8. The pipe cutting internal guard of any one of claims 1 to 5, wherein: and one end of the pull rope, which is far away from the protection plate, is provided with a pull ring.
CN201921430526.8U 2019-08-30 2019-08-30 Internal protection device for pipeline cutting Active CN210755784U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921430526.8U CN210755784U (en) 2019-08-30 2019-08-30 Internal protection device for pipeline cutting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921430526.8U CN210755784U (en) 2019-08-30 2019-08-30 Internal protection device for pipeline cutting

Publications (1)

Publication Number Publication Date
CN210755784U true CN210755784U (en) 2020-06-16

Family

ID=71050904

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921430526.8U Active CN210755784U (en) 2019-08-30 2019-08-30 Internal protection device for pipeline cutting

Country Status (1)

Country Link
CN (1) CN210755784U (en)

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