CN203249741U - Single-pipe pressure test tool for bearing metal pipe - Google Patents

Single-pipe pressure test tool for bearing metal pipe Download PDF

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Publication number
CN203249741U
CN203249741U CN 201320128363 CN201320128363U CN203249741U CN 203249741 U CN203249741 U CN 203249741U CN 201320128363 CN201320128363 CN 201320128363 CN 201320128363 U CN201320128363 U CN 201320128363U CN 203249741 U CN203249741 U CN 203249741U
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CN
China
Prior art keywords
pipe
pressure test
test tool
main body
pressure
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Expired - Fee Related
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CN 201320128363
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Chinese (zh)
Inventor
朱晓钢
张鹰
唐永飞
赵淑霞
朱敏
崔佳
张峥
李岗山
王振兴
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Lanzhou Petroleum Machinery Research Institute
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Lanzhou Petroleum Machinery Research Institute
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Priority to CN 201320128363 priority Critical patent/CN203249741U/en
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Publication of CN203249741U publication Critical patent/CN203249741U/en
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Abstract

The utility model discloses a single-pipe pressure test tool for a bearing metal pipe. The tool includes a metal single pipe feeding end pressure test unit and a metal single pipe blocking end pressure test unit. The metal single pipe feeding end pressure test unit comprises a pressure test tool main body. One end of the pressure test tool main body holds a feeding end of a metal single pipe to be tested by an adapter ring. A pipe outside rubber sealing ring and a first pipe end rubber sealing pad are sequentially mounted at an end of the metal single pipe to be tested in the pressure test tool main body. A pipe seat connector is mounted on the other side of the first pipe end rubber sealing pad, and is in threaded connection with a first compressing nut. The first compressing nut is in threaded connection with the other end of the pressure test tool main body. The first pipe end rubber sealing pad and the pipe seat connecter are both centrally provided with a feeding hole. The single-pipe pressure test tool is simple in structure, easy in processing and reliable in performance, and can be quickly operated by a single person.

Description

A kind of pressure-bearing metal pipe single tube pressure testing tool
Technical field
The utility model relates to a kind of structure for pressure test for the pressure-bearing metal pipe, is mainly used in the pressure test of heat exchanger tube single tube.
Background technology
Heat interchanger is as a kind of common heat transmission equipment, and the application in petroleum chemical industry is very extensive.Its core component heat exchanger tube is exactly the most common a kind of metal tube.
The reliability heat exchanger of heat exchanger tube is extremely important.In the manufacture process of heat interchanger, what use in the time of guaranteeing to restrain assembling all is up-to-standard heat exchanger tube, therefore, usually all requires tube bank exchange heat pipe before assembling to carry out the single tube hydraulic testing.
Generally speaking, tens at least of the heat exchanger tubes of a heat interchanger, thousands of at most, a kind of flexible operation, reasonable in design, service-strong pressure test tool will improve heat exchanger tube pressure testing efficient greatly.
The utility model content
The utility model provides a kind of pressure-bearing metal pipe single tube pressure testing tool, and it is simple in structure, handling ease, and dependable performance can realize single fast operating.A kind of high-level efficiency, desirable metal tube single tube pressure testing tool.
The purpose of this utility model is achieved through the following technical solutions: a kind of pressure-bearing metal pipe single tube pressure testing tool, comprise metal tube single tube water filling end pressure test tool and metal tube single tube shutoff end pressure test tool, described metal tube single tube water filling end pressure test tool comprises the pressure test tool main body, this pressure test tool main body one end is treated pressure testing metal tube single tube water filling end by the fastening ring clamping, this treats the end of pressure testing metal tube single tube in described pressure test tool main body successively mounting pipe outside rubber seal ring and the first pipe end rubber gasket, this the first pipe end rubber gasket opposite side is installed pipe seat connector, this pipe seat connector is threaded with the first gland nut, and this first gland nut is threaded with the other end of described pressure test tool main body; Described the first pipe end rubber gasket and pipe seat connector center have water injection hole.
Described metal tube single tube shutoff end pressure test tool comprises the pressure test tool main body, this pressure test tool main body one end is treated pressure testing metal tube single tube shutoff end by the fastening ring clamping, this treats the end of pressure testing metal tube single tube in described pressure test tool main body successively mounting pipe outside rubber seal ring and the second pipe end rubber gasket, this the second pipe end rubber gasket opposite side is installed the second gland nut, and this second gland nut is threaded with the other end of described pressure test tool main body; Described the second gland nut and pipe end rubber gasket are solid.
The clamping of described pressure test tool main body treats that pressure testing metal tube single tube the inner is processed with serration.
The clamping of described pressure test tool main body treats that pressure testing metal tube single tube end slots vertically, and will wherein half downcut as pressure test tool main body hypovalve, and this pressure test tool main body hypovalve is fixedly connected with described fastening ring.
The tightening screw rod is installed on the described fastening ring, and this clamp screw club head is installed rotating operating handle.
Have discharge orifice on the described pressure test tool main body, the position of the position of this discharge orifice and described the first pipe end rubber gasket or the second pipe end rubber gasket is suitable.
The utlity model has following advantage:
Tool construction simple, be easy to make;
2. owing to the employing of two kinds of sealing gaskets, sealing effectiveness is good, can implement higher pressure test pressure;
3. the pad selection is suitable, and is not fragile;
4. instrument is light, flexible operation, quick, and application efficiency is high.
Description of drawings
Fig. 1 is the structural representation of a kind of metal tube single tube water filling end pressure test tool of the present utility model;
Fig. 2 is the structural representation of a kind of metal tube single tube shutoff end pressure test tool of the present utility model;
Fig. 3 is the partial enlarged drawing of I among Fig. 1, i.e. the structural representation of described serration.
Among the figure: the 1-fastening ring; 2-tightening screw rod; 3-pressure test tool main body hypovalve; 4-pipe outside rubber seal ring; 5-the first pipe end rubber gasket; 6-pressure test tool main body; 7-the first gland nut; The 8-pipe seat connector; 9-treats pressure testing metal tube single tube; 10-the second pipe end rubber gasket; 11-the second gland nut.
Embodiment
Referring to Fig. 1, a kind of metal tube single tube pressure testing tool that the utility model is related, two covers are one group, are assemblied in respectively during use and treat pressure testing metal tube two ends, and an end is the water filling end, and an end is the shutoff end.Two cover pressure test tool differences are shutoff end pressure test tool gland nut and the not perforate of center of pipe end rubber gasket, and all the other principles are consistent.Now with water filling end pressure test tool explanation embodiment.
A kind of pressure-bearing metal pipe single tube pressure testing tool, comprise metal tube single tube water filling end pressure test tool and metal tube single tube shutoff end pressure test tool, described metal tube single tube water filling end pressure test tool comprises pressure test tool main body 6, these pressure test tool main body 6 one ends are treated pressure testing metal tube single tube 9 water filling ends by fastening ring 1 clamping, this treats the end of pressure testing metal tube single tube 9 in described pressure test tool main body 6 successively mounting pipe outside rubber seal ring 4 and the first pipe end rubber gasket 5, these the first pipe end rubber gasket 5 opposite sides are installed pipe seat connector 8, this pipe seat connector 8 is threaded with the first gland nut 7, and this first gland nut 7 is threaded with another the inner of described pressure test tool main body 6; Described the first pipe end rubber gasket 5 and pipe seat connector 8 centers have water injection hole N2.This pipe seat connector 8 compresses rear ends, position processing square toes, so that itself and water pipe head are tightened.
The utility model comprises the sealing gasket of two kinds of specifications: pipe end rubber gasket, pipe outside rubber seal ring guarantee respectively the sealing in metal end surfaces and the pipe end outer wall certain-length scope.Pipe outside rubber seal ring material is nitrile rubber or other similar materials, and pipe end rubber gasket material is the hardness rubber slab material high than nitrile rubber, and sealing ring and sealing gasket size are determined according to different size pressure test tool size of main body and metal tube specification.Pipe end rubber gasket hardness is higher than pipe outside rubber seal ring can guarantee that pipe outside rubber seal ring is held metal tube tightly prior to pipe end rubber gasket generation distortion when tightening gland nut;
Described metal tube single tube shutoff end pressure test tool comprises pressure test tool main body 6, these pressure test tool main body 6 one ends are treated pressure testing metal tube single tube 9 shutoff ends by fastening ring 1 clamping, this treats the end of pressure testing metal tube single tube 9 in described pressure test tool main body 6 successively mounting pipe outside rubber seal ring 4 and the second pipe end rubber gasket 10, these the second pipe end rubber gasket 5 opposite sides are installed the second gland nut 11, and this second gland nut 11 is threaded with the other end of described pressure test tool main body 6; Described the second gland nut 11 and the second pipe end rubber gasket 10 are solid.
Described pressure test tool main body 6 clampings treat that pressure testing metal tube single tube 9 the inners are processed with serration, and to strengthen itself and metal tube Contact pressure, pressure test tool is not pulled when guaranteeing pressure testing.
After described pressure test tool main body 6 completion of processing, its clamping treats that pressure testing metal tube single tube 9 ends slot vertically, and with wherein half cutting-out, for pressure test tool main body hypovalve 3 these pressure test tool main body hypovalves 3 are welded and fixed with described fastening ring 1.Tightening screw rod 2 screws are in pressure test tool main body hypovalve 3 over against the position, so that fast operating on the fastening ring 1.
Tightening screw rod 2 is installed on the described fastening ring 1, and these tightening screw rod 2 heads are installed rotating operating handle.Can easily metal tube be clamped.And after metal tube clamps, can grip the acting force that brings when the tightening screw rod is tightened the first gland nut 7 to overcome, be convenient to a people and operate;
Have discharge orifice N1 on the described pressure test tool main body 6, the position of the position of this discharge orifice N1 and described the first pipe end rubber gasket 5 or the second pipe end rubber gasket 10 is suitable.The acting as of discharge orifice N1 keeps being communicated with inside and outside pressure test tool main body 6 inner the first pipe end rubber gaskets 5 and 7 of the first gland nuts, 11 cavitys of the second pipe end rubber gasket 10 and the second gland nut, mainly plays the discharge opeing effect.
Using method of the present utility model: according to Fig. 1, each parts of Fig. 2 assembly tool, first the first and second gland nuts 7,11 are unscrewed during use, make pipe outside rubber seal ring 4 and the first and second pipe end rubber gaskets 5,10 just be in uncompressed state, with the pressure test tool band at metal tube end, tighten tightening screw rod 2, make pressure test tool clamp metal tube.The tightening screw handle of holding with a firm grip is tightened the first and second gland nuts 7,11.The first gland nut 7 is applied to power on the first pipe end rubber gasket 5 by pipe seat connector 8, because metal tube termination contact area less, the first pipe end rubber gasket 5 is in the process of compressed movement, metal tube will be absorbed in certain distance in the first pipe end rubber gasket 5, simultaneously, the outside, metal tube termination the first pipe end rubber gasket 5 will form certain squeezing action to pipe outside rubber seal ring 4, cause its generation radial deformation and hold metal tube tightly, reach the effect of pipe end double seal.Center pit pressurization by pipe seat connector 8 makes the metal tube internal pressure reach testing requirements, checks the sealing situation of metal tube.

Claims (6)

1. pressure-bearing metal pipe single tube pressure testing tool, comprise metal tube single tube water filling end pressure test tool and metal tube single tube shutoff end pressure test tool, it is characterized in that: described metal tube single tube water filling end pressure test tool comprises pressure test tool main body (6), these pressure test tool main body (6) one ends are treated pressure testing metal tube single tube (9) water filling end by fastening ring (1) clamping, this treats the end of pressure testing metal tube single tube (9) in described pressure test tool main body (6) successively mounting pipe outside rubber seal ring (4) and the first pipe end rubber gasket (5), this the first pipe end rubber gasket (5) opposite side is installed pipe seat connector (8), this pipe seat connector (8) is threaded with the first gland nut (7), and this first gland nut (7) is threaded with the other end of described pressure test tool main body (6); Described the first pipe end rubber gasket (5) and pipe seat connector (8) center have water injection hole (N2).
2. a kind of pressure-bearing metal pipe single tube pressure testing tool according to claim 1, it is characterized in that: described metal tube single tube shutoff end pressure test tool comprises pressure test tool main body (6), these pressure test tool main body (6) one ends are treated pressure testing metal tube single tube (9) shutoff end by fastening ring (1) clamping, this treats the end of pressure testing metal tube single tube (9) in described pressure test tool main body (6) successively mounting pipe outside rubber seal ring (4) and the second pipe end rubber gasket (10), this the second pipe end rubber gasket (10) opposite side is installed the second gland nut (11), and this second gland nut (11) is threaded with the other end of described pressure test tool main body (6); Described the second gland nut (11) is solid with the second pipe end rubber gasket (10).
3. a kind of pressure-bearing metal pipe single tube pressure testing tool according to claim 1 and 2, it is characterized in that: described pressure test tool main body (6) clamping treats that the inner of pressure testing metal tube single tube (9) is processed with serration.
4. a kind of pressure-bearing metal pipe single tube pressure testing tool according to claim 3, it is characterized in that: vertically fluting of pressure testing metal tube single tube (9) end is treated in described pressure test tool main body (6) clamping, and will wherein half downcut as pressure test tool main body hypovalve (3), this pressure test tool main body hypovalve (3) is fixedly connected with described fastening ring (1).
5. a kind of pressure-bearing metal pipe single tube pressure testing tool according to claim 4 is characterized in that: the upper tightening screw rod (2) of installing of described fastening ring (1), this tightening screw rod (2) head installation rotating operating handle.
6. a kind of pressure-bearing metal pipe single tube pressure testing tool according to claim 1 and 2, it is characterized in that: have discharge orifice (N1) on the described pressure test tool main body (6), the position of the position of this discharge orifice (N1) and described the first pipe end rubber gasket (5) or the second pipe end rubber gasket (10) is suitable.
CN 201320128363 2013-03-20 2013-03-20 Single-pipe pressure test tool for bearing metal pipe Expired - Fee Related CN203249741U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320128363 CN203249741U (en) 2013-03-20 2013-03-20 Single-pipe pressure test tool for bearing metal pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320128363 CN203249741U (en) 2013-03-20 2013-03-20 Single-pipe pressure test tool for bearing metal pipe

Publications (1)

Publication Number Publication Date
CN203249741U true CN203249741U (en) 2013-10-23

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ID=49376174

Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672228A (en) * 2013-12-20 2014-03-26 天津商业大学 Tube connecting device capable of carrying out fixing and sealing simultaneously
CN103698091A (en) * 2013-12-11 2014-04-02 南京斯迈柯特种金属装备股份有限公司 Sealing device for pressure-tight test of U-shaped heat exchange pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103698091A (en) * 2013-12-11 2014-04-02 南京斯迈柯特种金属装备股份有限公司 Sealing device for pressure-tight test of U-shaped heat exchange pipe
CN103698091B (en) * 2013-12-11 2016-07-13 南京斯迈柯特种金属装备股份有限公司 U heat exchange pressure test sealing device
CN103672228A (en) * 2013-12-20 2014-03-26 天津商业大学 Tube connecting device capable of carrying out fixing and sealing simultaneously
CN103672228B (en) * 2013-12-20 2015-09-09 天津商业大学 The pipe joint fixed simultaneously and seal

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131023

Termination date: 20180320