CN208188015U - A kind of trolley for pressure pipeline girth joint X-ray detection - Google Patents
A kind of trolley for pressure pipeline girth joint X-ray detection Download PDFInfo
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- CN208188015U CN208188015U CN201820765676.3U CN201820765676U CN208188015U CN 208188015 U CN208188015 U CN 208188015U CN 201820765676 U CN201820765676 U CN 201820765676U CN 208188015 U CN208188015 U CN 208188015U
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- Prior art keywords
- supporting leg
- fixed ring
- trolley
- pressure pipeline
- ray detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 239000007787 solid Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009659 non-destructive testing Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The utility model discloses a kind of trolleies for pressure pipeline girth joint X-ray detection, including fixed ring and the supporting leg being fixed on the outside of the fixed ring；The supporting leg is provided with three groups altogether, and the extended line of supporting leg described in three groups passes through the center of circle of the fixed ring, and the supporting leg is evenly arranged on the outside of the fixed ring；The supporting leg includes fixing seat, outer tube, telescoping tube and bearing wheel；Beneficial effect is: after the utility model is fixed on the outside of x-ray detector, it is equidistant by supporting leg end and detection device outer wall described in three groups of adjusting, and bearing wheel is bonded with detection inside pipe wall, centralized positioning can be carried out to x-ray detector, location efficiency is improved, and improves positioning accuracy；By the way that the bearing wheel is arranged in the supporting leg end, sliding of the x-ray detector in pipe can be convenient for, the stability of detection device is improved, reduce the labor intensity of operator.
Description
Technical field
The utility model relates to non-destructive detecting device technical fields, and in particular to one kind is penetrated for pressure pipeline girth joint X
The trolley of line detection.
Background technique
Non-destructive testing refers under the premise of not damaging test specimen, with either physically or chemically for means, by advanced skill
Art and equipment and material, the structure of inside and surface to test specimen, property, the method that state is checked and tested.Refer to material
Material or workpiece implement a kind of detection means for not damaging or not influencing its future usage performance or use.
Common lossless detection method has ray detection (abbreviation RT), ultrasound examination (abbreviation UT), Magnetic testing (referred to as
MT) and Liquid penetrant testing (abbreviation PT), referred to as four big common detection methods.These four methods are pressure-bearing class special equipment manufacturing qualities
Detection and with detecting most common lossless detection method.Wherein RT and UT is mainly used for detecting test specimen internal flaw, MT and PT
It is mainly used for detecting surface of test piece defect.Other have EDDY CURRENT (referred to as the lossless detection method of pressure-bearing class special equipment
ET), acoustic emission detection (abbreviation AE) etc..
Applicants have discovered that at least there is following technical problem in the prior art: X-ray detection preferentially uses center transillumination
Method, this transillumination arrange that scanning thickness K=1, transversal crack detect angle θ ≈ 0o, and crack detection rate is high；Once-through penetration length L3=
Whole circumferential weld length, single exposure can complete the detection of whole weld seam, and detection efficiency is high, and the labor intensity of worker drops significantly
Low, the dose of radiation that testing staff receives substantially reduces.But in X-ray detection, if boxing cannot be placed in X-ray detection
The center of seam, will cause that photographic density is uneven or even negative quality does not meet standard requirements, cause man power and material's
Waste.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides one kind and penetrate for pressure pipeline girth joint X
The trolley of line detection preferentially uses center transillumination to solve X-ray detection in the prior art, and this transillumination arranges scanning thickness
K=1, transversal crack detect angle θ ≈ 0o, and crack detection rate is high；The whole circumferential weld length of once-through penetration length L3=, single exposure is just
The detection of whole weld seam can be completed, detection efficiency is high, and the labor intensity of worker reduces significantly, the radiation agent that testing staff receives
Amount substantially reduces.But in X-ray detection, if X-ray detection cannot be placed in the center of girth joint, egative film will cause
Blackness is uneven or even negative quality does not meet standard requirements, causes the technical problems such as the waste of man power and material.This is practical new
Preferred technical solution is included and can originally be set by being arranged on the outside of x-ray detector in many technical solutions that type provides
After standby, by adjusting supporting leg at a distance from detection device, position of the detection device in pipe accurately controlled, inspection is improved
Efficiency is surveyed, the technical effects such as excessive dose of radiation, elaboration as detailed below are reduced.
To achieve the above object, the utility model provides following technical scheme:
A kind of trolley for pressure pipeline girth joint X-ray detection provided by the utility model, including fixed ring and solid
Supporting leg on the outside of the fixed ring；
The supporting leg is provided with three groups altogether, and the extended line of supporting leg described in three groups passes through the circle of the fixed ring
The heart, the supporting leg are evenly arranged on the outside of the fixed ring；
The supporting leg includes fixing seat, outer tube, telescoping tube and bearing wheel, is provided with described in connection in the fixing seat
The fastening bolt of fixed ring, with the outer tube by being plugged and fixed, the telescoping tube is plugged in the outer tube fixing seat
It portion and is slidably matched with the outer tube, the positioning knob to connect with the telescoping tube, the telescoping tube is installed on the outer tube
End is equipped with bearing block, and the bearing wheel is rotatably assorted with the bearing block.
Using a kind of above-mentioned trolley for pressure pipeline girth joint X-ray detection, the Quick Release buckle is opened, by two groups
The fixed ring is socketed in both ends on the outside of X-ray detecting equipment, then fixed according to every group of the diameter adjustment of test tube to be checked
The length of supporting leg described in three groups on the outside of ring, and be fixed by the positioning knob, equipment is then filled in into pipe to be checked
Behind inside, x-ray detector can be made to move in pipe along central axis by the cooperation of the bearing wheel and tube wall, from
And carry out non-destructive testing operation.
Preferably, being welded with set lever on the outside of the positioning knob.
Preferably, being provided with the inserted link with bearing wheel cooperation, the bearing wheel and institute on the bearing block
Inserted link is stated to be rotatably assorted.
Preferably, the bearing block is weldingly fixed on the flexible tube end, and the telescoping tube is perpendicular to the axis
Hold the abutted surface of seat Yu the telescoping tube.
Preferably, the telescoping tube surface forming has indicating graduation.
Preferably, being provided with the pointer structure with indicating graduation cooperation on the outer tube.
Preferably, the fixed ring is hatch frame, and the opening of the fixed ring is equipped with Quick Release buckle.
Beneficial effect is: 1, after the utility model is fixed on the outside of x-ray detector, by propping up described in three groups of adjusting
Support leg end and detection device outer wall are equidistant, and by bearing wheel with detection inside pipe wall be bonded, can to x-ray detector into
Row centralized positioning improves location efficiency, and improves positioning accuracy；
2, by the way that the bearing wheel is arranged in the supporting leg end, cunning of the x-ray detector in pipe can be convenient for
It is dynamic, the stability of detection device is improved, the labor intensity of operator is reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model supporting leg.
The reference numerals are as follows:
1, fixed ring；101, Quick Release buckles；2, supporting leg；201, outer tube；202, positioning knob；203, fixing seat；204,
Fastening bolt；205, telescoping tube；206, bearing block；207, bearing wheel.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Referring to shown in Fig. 1-Fig. 2, the utility model provides a kind of for the small of pressure pipeline girth joint X-ray detection
Vehicle, including fixed ring 1 and the supporting leg 2 being fixed on the outside of fixed ring 1；
Supporting leg 2 is provided with three groups altogether, and the extended line of three groups of supporting legs 2 passes through the center of circle of fixed ring 1, supporting leg 2
It is evenly arranged on 1 outside of fixed ring；
Supporting leg 2 includes fixing seat 203, outer tube 201, telescoping tube 205 and bearing wheel 207, is provided in fixing seat 203
It is connected and fixed the fastening bolt 204 of ring 1, for fixing seat 203 with outer tube 201 by being plugged and fixed, telescoping tube 205 is plugged on outer tube
It is slidably matched inside 201 and with outer tube 201, the positioning knob 202 to connect with telescoping tube 205, telescoping tube is installed on outer tube 201
205 ends are equipped with bearing block 206, and bearing wheel 207 is rotatably assorted with bearing block 206.
As optional embodiment, it is welded with set lever on the outside of positioning knob 202, so set, can be convenient for
The twisting of positioning knob 202, and then it is convenient for the fixation of telescoping tube 205；
The inserted link cooperated with bearing wheel 207 is provided on bearing block 206, bearing wheel 207 is rotatably assorted with inserted link, such as
This setting, by the cooperation of bearing block 206 and bearing wheel 207, can form a car wheel structure, consequently facilitating in test tube to be checked
Portion's sliding；
Bearing block 206 is weldingly fixed on 205 end of telescoping tube, and telescoping tube 205 is perpendicular to bearing block 206 and telescoping tube
205 abutted surface；
205 surface forming of telescoping tube has indicating graduation；
The pointer structure with indicating graduation cooperation is provided on outer tube 201, so set, carving by pointer structure and instruction
The cooperation of degree can be observed the elongation of telescoping tube 205, convenient for being determined vertically the center of fixed ring 1 according to elongation
Position；
Fixed ring 1 is hatch frame, and the opening of fixed ring 1 is equipped with Quick Release buckle 101, so set, used will
After Quick Release buckle 101 is opened, the installation effectiveness of equipment can be improved convenient for fixed ring 1 to be socketed on the outside of x-ray detector.
Using the above structure, Quick Release buckle 101 is opened, two groups of fixed rings 1 are socketed in two on the outside of X-ray detecting equipment
End then according to the length of three groups of supporting legs 2 in 1 outside of every group of fixed ring of the diameter adjustment of test tube to be checked, and passes through positioning rotation
Button 202 is fixed, and after equipment is then filled in pipe inside to be checked, can make X by the cooperation of bearing wheel 207 and tube wall
Ray detecting apparatus moves in pipe along central axis, to carry out non-destructive testing operation；
After equipment is fixed on the outside of x-ray detector, by adjusting three groups of 2 ends of supporting leg and detection device outer wall etc.
Away from, and bearing wheel 207 is bonded with detection inside pipe wall, centralized positioning can be carried out to x-ray detector, improve positioning effect
Rate, and improve positioning accuracy；
By the way that bearing wheel 207 is arranged in 2 end of supporting leg, sliding of the x-ray detector in pipe can be convenient for, improved
The stability of detection device reduces the labor intensity of operator.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of trolley for pressure pipeline girth joint X-ray detection, which is characterized in that including circular fixed ring (1) and
The supporting leg (2) being fixed on the outside of the fixed ring (1)；
The supporting leg (2) is provided with three groups altogether, and the extended line of supporting leg described in three groups (2) passes through the fixed ring (1)
The center of circle, the supporting leg (2) is evenly arranged on the outside of the fixed ring (1)；
The supporting leg (2) includes fixing seat (203), outer tube (201), telescoping tube (205) and bearing wheel (207), described solid
The fastening bolt (204) for connecting the fixed ring (1), the fixing seat (203) and the outer tube are provided in reservation (203)
(201) by being plugged and fixed, the telescoping tube (205) is plugged on the outer tube (201) inside and slides with the outer tube (201)
Cooperate, the positioning knob (202) to connect with the telescoping tube (205), the telescoping tube are installed on the outer tube (201)
(205) end is equipped with bearing block (206), and the bearing wheel (207) is rotatably assorted with the bearing block (206).
2. a kind of trolley for pressure pipeline girth joint X-ray detection according to claim 1, it is characterised in that: described
Set lever is welded on the outside of positioning knob (202).
3. a kind of trolley for pressure pipeline girth joint X-ray detection according to claim 2, it is characterised in that: described
The inserted link with the bearing wheel (207) cooperation, the bearing wheel (207) and the inserted link are provided on bearing block (206)
It is rotatably assorted.
4. a kind of trolley for pressure pipeline girth joint X-ray detection according to claim 3, it is characterised in that: described
Bearing block (206) is weldingly fixed on the telescoping tube (205) end, and the telescoping tube (205) is perpendicular to the bearing block
(206) with the abutted surface of the telescoping tube (205).
5. a kind of trolley for pressure pipeline girth joint X-ray detection according to claim 4, it is characterised in that: described
Telescoping tube (205) surface forming has indicating graduation.
6. a kind of trolley for pressure pipeline girth joint X-ray detection according to claim 5, it is characterised in that: described
The pointer structure with indicating graduation cooperation is provided on outer tube (201).
7. a kind of trolley for pressure pipeline girth joint X-ray detection according to claim 6, it is characterised in that: described
Fixed ring (1) is hatch frame, and the opening of the fixed ring (1) is equipped with Quick Release buckle (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820765676.3U CN208188015U (en) | 2018-05-22 | 2018-05-22 | A kind of trolley for pressure pipeline girth joint X-ray detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820765676.3U CN208188015U (en) | 2018-05-22 | 2018-05-22 | A kind of trolley for pressure pipeline girth joint X-ray detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208188015U true CN208188015U (en) | 2018-12-04 |
Family
ID=64428408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820765676.3U Expired - Fee Related CN208188015U (en) | 2018-05-22 | 2018-05-22 | A kind of trolley for pressure pipeline girth joint X-ray detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208188015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326695A (en) * | 2020-10-30 | 2021-02-05 | 上海航天设备制造总厂有限公司 | Circumferential X-ray instrument centering device for detecting annular welding seam |
-
2018
- 2018-05-22 CN CN201820765676.3U patent/CN208188015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326695A (en) * | 2020-10-30 | 2021-02-05 | 上海航天设备制造总厂有限公司 | Circumferential X-ray instrument centering device for detecting annular welding seam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181204 |