CN205449686U - Welding seam pressure testing device - Google Patents
Welding seam pressure testing device Download PDFInfo
- Publication number
- CN205449686U CN205449686U CN201521103409.2U CN201521103409U CN205449686U CN 205449686 U CN205449686 U CN 205449686U CN 201521103409 U CN201521103409 U CN 201521103409U CN 205449686 U CN205449686 U CN 205449686U
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- pressure
- pressure testing
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- pipe
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Abstract
The utility model relates to a welding seam pressure testing device, establish two rubber seal on the main part piece and set up the pressure testing pipe assembly on the main part piece at inside hydraulic assembly, the cover of main part piece including main part piece, setting, two rubber seal intervals set up, this hydraulic assembly includes cylinder body, piston rod and sets up the hydraulic oil in the cylinder body, this cylinder body is through a pipe connections to external hydraulic pump, the one end setting of piston rod in the cylinder body, the other end stretch out the main part piece outer and can be in the cylinder body reciprocating motion, through setting up the supported flange in the hydraulic assembly both sides, with hydraulic assembly fixed mounting inside the main part, the pressure testing pipe assembly is linked together with the main part piece is inside, and the pressure testing pipe assembly is including installing pressure testing hole and the pressure release hole on the main part piece. Its have simple structure, reasonable in design, performance safe and reliable, detection cycle weak point, convenient operation, detection precision high, effectively sparingly detect advantage such as cost, have better suitability.
Description
Technical field
This utility model relates to welding quality inspection technical field, particularly relates to a kind of weld seam pressure testing device, and this pressure testing device can carry out pressure testing detection to the commissure of underwater flange, pipe fitting etc., to guarantee welding quality.
Background technology
For the weld seam occurred in pipeline, the quality of its welding quality has important impact to the use that pipeline is overall, thus for the pipeline of specific use, needs butt welded seam to carry out strict detection to prevent from leaving potential safety hazard；Weld inspection method of the prior art common are nondestructive inspection, the water pressure test or gas pressure test, but operation is complicated, testing cost is expensive, detect cycle length, need professional to carry out the defects such as operation to use above-mentioned detection method to also exist.Thus study a kind of simple in construction, weld seam pressure testing/detecting device reasonable in design, easy to detect has important Research Significance.
Utility model content
Above-mentioned deficiency is there is for detection device in prior art, the purpose of this utility model is: provide a kind of weld seam pressure testing device, it has the advantage such as simple in construction, reasonable in design, performance safety reliable, the detection cycle is short, easy to operate, accuracy of detection is high, effective saving testing cost, has the preferable suitability.
In order to achieve the above object, this utility model adopts the following technical scheme that
A kind of weld seam pressure testing device, this weld seam pressure testing device include main component, be arranged on the hydraulic package within main component, two rubber seal being set on main component and the pressure testing pipe assembly being arranged on main component；Wherein: said two rubber seal interval is arranged；This hydraulic package includes cylinder body, piston rod and the hydraulic oil being arranged in cylinder body；This cylinder body is connected to external hydraulic pump by the first pipe fitting；One end of piston rod is arranged in cylinder body, and the other end stretches out outside main component and can move back and forth in cylinder body；By being arranged on the supported flange of hydraulic package both sides, hydraulic package is fixedly mounted on body interior；Pressure testing pipe assembly is connected with inside main component, and pressure testing pipe assembly includes pressure testing hole and the relief hole being arranged on main component, and this pressure testing hole and relief hole are connected to external hydraulic test pump by being arranged on the pressure-testing valve on the second pipe fitting and relief valve respectively.
As the further optimization of technique scheme, described second pipe fitting includes pressure testing pipe and relief tube, is wherein provided with three-way component on pressure testing pipe, this three-way component is connected with pressure-testing valve, Pressure gauge and pressure testing pipe respectively.
As the further optimization of technique scheme, described second pipe fitting includes pressure testing pipe and relief tube, is wherein provided with pressure transducer on pressure testing pipe, and this pressure transducer is connected with external controller data signal, and external controller controls to be connected with pressure-testing valve；This external controller includes display device assembly, storage device assembly, input equipment assembly, PLC control unit, comparing unit, pressure prewarning unit；This PLC control unit controls to be connected with display device assembly, storage device assembly, input equipment assembly, comparing unit, pressure prewarning unit by data wire respectively；Input equipment is also connected with hydraulic test pump signal；Comparing unit is compared with the pressure preset being arranged in storage device assembly by the pressure testing pipe pressure value detected by pressure transducer, and sends comparative result to PLC control unit；PLC control unit controls energising or the disconnection of pressure-testing valve according to comparative result, and control pressure prewarning unit sends early warning sound.
As the further optimization of technique scheme, described external hydraulic test pump is air pump or hydraulic pump.
As the further optimization of technique scheme, each rubber seal is all fixed on the outer wall being arranged on main component by the snap ring and baffle ring being arranged on rubber seal both sides.
As the further optimization of technique scheme, the spacing of two rubber seal is at least above weld width；It is additionally provided with roll wheel assembly on the both sides of main component.
As the further optimization of technique scheme, the first pipe fitting and the second pipe fitting are provided with pipe fitting adapter；It is additionally provided with snap joint on first pipe fitting.
Compared with detection device of the prior art, weld seam pressure testing device of the present utility model and using method thereof is used to have the advantage that
(1) simple in construction, reasonable in design, pressure test plug is pressurizeed by the mode using hydraulic pressure, it has and is more uniformly stressed, and pressure more easily controls in pressure process, the frictional force being designed to reduce pressure test plug with pipeline inwall of roll wheel assembly, improves the service life of pressure test plug simultaneously.
(2) easy for installation, easy and simple to handle；After device is installed by operator, only need to manipulate hydraulic system and carry out pressurizeing, while can Real Time Observation pressure changing, accuracy of detection is of a relatively high.
(3) testing cost effectively reduces, and later maintenance cost also decreases simultaneously, has preferable economic benefit.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of this utility model weld seam pressure testing device.
Accompanying drawing 2 is this utility model weld seam pressure testing device schematic cross-section when installing and using.
Detailed description of the invention
The structure of this utility model weld seam pressure testing device is described in detail by 1-2 below in conjunction with the accompanying drawings.
A kind of weld seam pressure testing device, this weld seam pressure testing device include main component 1, be arranged on hydraulic package main component within, two rubber seal 2,3 of being set on main component and the pressure testing pipe assembly being arranged on main component；Wherein: said two rubber seal interval is arranged；This hydraulic package includes cylinder body 4, piston rod 5 and the hydraulic oil being arranged in cylinder body；This cylinder body is connected to external hydraulic pump 7 by the first pipe fitting 6；One end of piston rod is arranged in cylinder body, and the other end stretches out outside main component and can move back and forth in cylinder body；By being arranged on the supported flange 8,9 of hydraulic package both sides, hydraulic package is fixedly mounted on body interior；Pressure testing pipe assembly is connected with inside main component, and pressure testing pipe assembly includes pressure testing hole 10 and the relief hole 11 being arranged on main component, and this pressure testing hole and relief hole are connected to external hydraulic test pump 15 by being arranged on the pressure-testing valve 13 on the second pipe fitting 12 and relief valve 14 respectively.Described second pipe fitting includes pressure testing pipe and relief tube, is wherein provided with three-way component on pressure testing pipe, and this three-way component is connected with pressure-testing valve, Pressure gauge and pressure testing pipe respectively.Described second pipe fitting includes pressure testing pipe and relief tube, is wherein provided with pressure transducer on pressure testing pipe, and this pressure transducer is connected with external controller data signal, and external controller controls to be connected with pressure-testing valve；This external controller includes display device assembly, storage device assembly, input equipment assembly, PLC control unit, comparing unit, pressure prewarning unit；This PLC control unit controls to be connected with display device assembly, storage device assembly, input equipment assembly, comparing unit, pressure prewarning unit by data wire respectively；Input equipment is also connected with hydraulic test pump signal；Comparing unit is compared with the pressure preset being arranged in storage device assembly by the pressure testing pipe pressure value detected by pressure transducer, and sends comparative result to PLC control unit；PLC control unit controls energising or the disconnection of pressure-testing valve according to comparative result, and control pressure prewarning unit sends early warning sound.Described external hydraulic test pump is air pump or hydraulic pump.Each rubber seal is all fixed on the outer wall being arranged on main component by the snap ring 16 and baffle ring 17 being arranged on rubber seal both sides.The spacing of two rubber seal is at least above weld width；Roll wheel assembly 18 it is additionally provided with on the both sides of main component.It is provided with pipe fitting adapter 19 on first pipe fitting and the second pipe fitting；Snap joint 20 it is additionally provided with on first pipe fitting.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply this utility model.These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour.Therefore, this utility model is not limited to embodiment here, and those skilled in the art should be within protection domain of the present utility model according to announcement of the present utility model, the improvement made without departing from this utility model category and amendment.
Claims (7)
1. a weld seam pressure testing device, it is characterized in that: this weld seam pressure testing device include main component (1), be arranged on the hydraulic package within main component, two rubber seal (2,3) being set on main component and the pressure testing pipe assembly being arranged on main component；Wherein: said two rubber seal interval is arranged；This hydraulic package includes cylinder body (4), piston rod (5) and the hydraulic oil being arranged in cylinder body；This cylinder body is connected to external hydraulic pump (7) by the first pipe fitting (6)；One end of piston rod is arranged in cylinder body, and the other end stretches out outside main component and can move back and forth in cylinder body；By being arranged on the supported flange (8,9) of hydraulic package both sides, hydraulic package is fixedly mounted on body interior；Pressure testing pipe assembly is connected with inside main component, pressure testing pipe assembly includes pressure testing hole (10) and the relief hole (11) being arranged on main component, and this pressure testing hole and relief hole pressure-testing valve (13) and relief valve (14) by being arranged on the second pipe fitting (12) respectively is connected to external hydraulic test pump (15).
A kind of weld seam pressure testing device the most according to claim 1, it is characterised in that: described second pipe fitting includes pressure testing pipe and relief tube, is wherein provided with three-way component on pressure testing pipe, and this three-way component is connected with pressure-testing valve, Pressure gauge and pressure testing pipe respectively.
A kind of weld seam pressure testing device the most according to claim 1, it is characterized in that: described second pipe fitting includes pressure testing pipe and relief tube, wherein being provided with pressure transducer on pressure testing pipe, this pressure transducer is connected with external controller data signal, and external controller controls to be connected with pressure-testing valve；This external controller includes display device assembly, storage device assembly, input equipment assembly, PLC control unit, comparing unit, pressure prewarning unit；This PLC control unit controls to be connected with display device assembly, storage device assembly, input equipment assembly, comparing unit, pressure prewarning unit by data wire respectively；Input equipment is also connected with hydraulic test pump signal；Comparing unit is compared with the pressure preset being arranged in storage device assembly by the pressure testing pipe pressure value detected by pressure transducer, and sends comparative result to PLC control unit；PLC control unit controls energising or the disconnection of pressure-testing valve according to comparative result, and control pressure prewarning unit sends early warning sound.
4. according to a kind of weld seam pressure testing device according to any one of claim 1-3, it is characterised in that: described external hydraulic test pump is air pump or hydraulic pump.
A kind of weld seam pressure testing device the most according to claim 1, it is characterised in that: each rubber seal is all fixed on the outer wall being arranged on main component by the snap ring (16) and baffle ring (17) being arranged on rubber seal both sides.
A kind of weld seam pressure testing device the most according to claim 1, it is characterised in that: the spacing of two rubber seal is at least above weld width；Roll wheel assembly (18) it is additionally provided with on the both sides of main component.
A kind of weld seam pressure testing device the most according to claim 1, it is characterised in that: it is provided with pipe fitting adapter (19) on the first pipe fitting and the second pipe fitting；Snap joint (20) it is additionally provided with on first pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103409.2U CN205449686U (en) | 2015-12-29 | 2015-12-29 | Welding seam pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103409.2U CN205449686U (en) | 2015-12-29 | 2015-12-29 | Welding seam pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449686U true CN205449686U (en) | 2016-08-10 |
Family
ID=56578801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521103409.2U Expired - Fee Related CN205449686U (en) | 2015-12-29 | 2015-12-29 | Welding seam pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205449686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628505A (en) * | 2015-12-29 | 2016-06-01 | 周庆涛 | Welded-seam pressure test device and application method thereof |
-
2015
- 2015-12-29 CN CN201521103409.2U patent/CN205449686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628505A (en) * | 2015-12-29 | 2016-06-01 | 周庆涛 | Welded-seam pressure test device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Qingtao Inventor after: Zhou Qingbing Inventor after: Zhou Chunxu Inventor after: Zhang Wanbing Inventor after: Wang Hebo Inventor after: Liu Lihui Inventor before: Zhou Qingtao Inventor before: Zhou Qingbing Inventor before: Zhou Qingxu |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20191229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |