CN202757831U - High frequency welding (HFW) steel pipe welding line impact gap locating device - Google Patents
High frequency welding (HFW) steel pipe welding line impact gap locating device Download PDFInfo
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- CN202757831U CN202757831U CN 201220382068 CN201220382068U CN202757831U CN 202757831 U CN202757831 U CN 202757831U CN 201220382068 CN201220382068 CN 201220382068 CN 201220382068 U CN201220382068 U CN 201220382068U CN 202757831 U CN202757831 U CN 202757831U
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Abstract
The utility model discloses a high frequency welding (HFW) steel pipe welding line impact gap locating device, and belongs to the field of steel pipe mechanics performance testing. The HFW steel pipe welding line impact gap locating device comprises a plate-shaped base, and a located impact specimen is arranged on the base. Two ends of the base are respectively provided with a locating plate and a supporting plate, wherein the locating plate and the supporting plate are perpendicular to the base. The impact specimen is arranged between the locating plate and the supporting plate. A main scale with scales is arranged on the locating plate. A movable locating scale with scales is arranged between the locating plate and the supporting plate, and is arranged above the impact specimen. The scales of the main scale are parallel to the scales of the locating scale. The HFW steel pipe welding line impact gap locating device can achieve the location for a HFW steel pipe welding line and a welding heat affected area impact gap. The whole of the HFW steel pipe welding line impact gap locating device is simple in structure and convenient to operate, reduces gap locating errors, and improves working efficiency.
Description
Technical field
The utility model relates to the mechanical property sample orientation tool of steel pipe, and particularly a kind of vertical masonry joint high-frequency welded steel pipe weld seam that is applicable to impacts the device that breach is located.
Background technology
High-frequency welding (High Frequency Welding is called for short HFW) steel pipe is that the kelvin effect principle that adopts high-frequency current to produce is heated to molten condition to the hot-rolled sheet coil edge, is welded by the mechanical presses method again.Because the advantage that HFW steel pipe sizes precision is high and production efficiency is high, price is low has obtained increasing use in the oil and gas pipes field.At present, the HFW steel pipe accounts for 50%～60% in the annual newly-built oil and gas long distance pipeline in the whole world.In industrially developed country, HFW steel pipe proportion reaches about 70% in the pipework below the diameter 610mm.But at home, the development of HFW steel pipe is relatively slow.Compare with external product, one of main deficiency that domestic HFW steel pipe exists is exactly the absorption of weld seam Charpy impact can be lower, substandard product usually occurs.
Studies show that no matter the HFW steel pipe is to carry out or do not carry out post weld heat treatment, the poorest position great majority of tough sex expression are the melt run place of weld seam.Therefore, the absorption of the Charpy impact of commissure can be the important indicator of estimating the HFW Pipe Welding Quality.When the processing Charpy bar, require the accurate centering (the General Requirements side-play amount is controlled in the 0.3mm) of " V " type or " U " type root of notch position and HFW weld-fusion line.At present, when the technician impacts breach at tack weld, generally adopt the simple tools such as ruler or angle square that sample is rule one by one, impact breach to determine weld seam.
In realizing process of the present utility model, the inventor finds that there is following problem at least in prior art:
1) error is very large, because the HFW steel pipe seam is very narrow, usually only has 0.02 ~ 0.14mm, thereby root of notch position and the weld-fusion line side-play amount of artificial location often exceed requirement; 2) inefficiency, and the work amount of repetition is large.Especially when sample quantities was more, it is very loaded down with trivial details that this work just seems.
The utility model content
In order to solve the problem of prior art, the utility model embodiment provides a kind of HFW steel pipe seam to impact gap positioning device.Described technical scheme is as follows:
Described device comprises tabular base, places the impact specimen that is positioned on it; Described base two ends are respectively arranged with perpendicular location-plate and back up pad, and described impact specimen is between described location-plate and back up pad; Be provided with the main scale with scale on the described location-plate, between described location-plate and the back up pad and be positioned at described impact specimen top and be provided with removable positioning rule with scale, the scale of described main scale and positioning rule be arranged in parallel.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
Can be accurately, in bulk vertical masonry joint HFW steel pipe seam and welding heat affected zone are impacted breach and position; Whole apparatus structure is simple, simple operation, reduces the breach positioning error, increases work efficiency.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that the HFW steel pipe seam that provides of the utility model embodiment impacts gap positioning device;
Fig. 2 is the base portion synoptic diagram that the HFW steel pipe seam that provides of the utility model embodiment impacts gap positioning device;
Fig. 3 is that the HFW steel pipe seam that the utility model embodiment provides impacts the structural representation of the positioning rule of gap positioning device;
Fig. 4 is the wiring layout that the HFW steel pipe seam that provides of the utility model embodiment impacts the positioning rule of gap positioning device and base, shifting board;
Fig. 5 and Fig. 6 are the use constitutional diagrams that the HFW steel pipe seam that provides of the utility model embodiment impacts gap positioning device;
Fig. 7 is the enlarged drawing of a-quadrant among Fig. 6.
Among the figure: 1: base; 2: location-plate; 3: back up pad; 4: positioning rule; 5: trip bolt; 6: shifting board; 7: gland nut; 8: magnifier; 9: regulator; 10: main scale; 11: vernier scale; 12: loose slot; 13: threaded hole; 14: impact specimen; 15: weld seam; 16: positioning mark; 17: the attachable mechanical stage bar.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
The HFW steel pipe seam that Fig. 1 shows present embodiment to be provided impacts the one-piece construction synoptic diagram of gap positioning device, Fig. 2 and Fig. 3 are the structural representations of base portion and positioning rule wherein, referring to figs. 1 through shown in Figure 3, described device comprises tabular base 1, places the impact specimen that is positioned on it; Described base 1 two ends are respectively arranged with perpendicular location-plate 2 and back up pad 3, be that base 1, location-plate 2 and back up pad 3 threes have formed the U-shaped structure that a junction is the right angle, be positioned impact specimen on the base 1 between described location-plate 2 and the back up pad 3, realize the clamping of impact specimen between location-plate 2 and back up pad 3; Be provided with the main scale 10 with scale on the described location-plate 2, between described location-plate 2 and the back up pad 3 and be positioned at impact specimen top and be provided with removable positioning rule 4 with scale, described main scale 10 be arranged in parallel with the scale of positioning rule 4.The gap positioning device of this structure, the impact specimen that will be positioned spacing on base 1 after, can by fixing main scale 10 and movably positioning rule 4 realize that butt welded seams impact accurately locating fast of breach.
Particularly, with reference to Fig. 3 and shown in Figure 4, described positioning rule 4 comprises the attachable mechanical stage bar 17 that is arranged on the described location-plate 2 and perpendicular to the vernier scale 11 of described attachable mechanical stage bar, described vernier scale 11 is parallel to the upper surface of described location-plate 2 with the surface of scale, and, described main scale 10 is arranged on the upper surface of described location-plate 2, and the below of this upper surface is provided with strip loose slot 12, and an end of described attachable mechanical stage bar 17 is fastened in the described loose slot 12; Thus, along loose slot 12 movably in the situation, realize aliging of main scale 10 and vernier scale 11 high scales in positioning rule 4.In order to improve bearing accuracy, the minimum scale value of described main scale 10 high scales is 1mm, and the minimum scale value of described vernier scale 11 high scales is 0.9mm, thereby setting accuracy is brought up to 0.1mm.In order to guarantee strictly to move along locating slot 12 in the process that positioning rule 4 moves, the one end setting of passing loose slot 12 at described attachable mechanical stage bar 17 and attachable mechanical stage bar 17 are vertical and towards the kelly 18 of base 1, kelly 18 blocks can play position-limiting action to the movement of positioning rule 4 in location-plate 2 outsides.In the present embodiment, described loose slot 12 belows are provided with trip bolt 5, and trip bolt 5 passes described kelly 18 and location-plate 2, be in course of adjustment, can realize the locking of positioning rule 4, and then can examine positioning result, avoid positioning rule 4 to reduce location efficiency because of slip.
Be provided with the vertical shifting board 6 that is placed on the described base 1 between described back up pad 3 and the described location-plate 2, it is used for impact specimen is limited between itself and the location-plate 2.It is bigger than normal that distance between described back up pad 3 and the described location-plate 2 arranges usually, needs with the breach location of the impact specimen that satisfies varying number, different size, when the shared width of impact specimen less than between back up pad 3 and the described location-plate 2 apart from the time, can utilize shifting board 6 that impact specimen is fixing spacing, make weld seam impact breach and when the location, be not offset, improve bearing accuracy.
Preferably, the limit function of described shifting board 6 is by offering threaded hole 13 in described back up pad 3, realize at described threaded hole 13 interior installation gland nuts 7, when shifting board 6 and the impact specimen that is positioned are inconsistent, can realize the fixing of shifting board 6 by regulating gland nut 7, and then realize stablizing spacing to the impact specimen that is positioned.The setting regulated of gland nut 7 can enlarge the scope of application of present embodiment locating device.
And the height of described shifting board 6 is set to equate with the height of described loose slot 12, with the described positioning rule 4 of while horizontal support, in the situation that guarantees positioning rule 4 horizontalitys, can improve the accuracy of location.
On locating device, also be provided with the magnifier 8 that links to each other with described base 1, described magnifier 8 links to each other with described base 1 by regulator 9, and adjustable magnifier 8 can be used for observing more accurately the position while welding of sample on the base and the positioning result of main scale 10 and positioning rule 4.
For operation and the interpretation of result that makes things convenient for position fixing process, the ascending sign direction of described main scale 10 and positioning rule 4 high scale values is consistent, zero graduation line on the described main scale 10 is positioned at the middle part of described location-plate 2 upper surfaces, and its zero graduation line one side is provided with positioning mark 16, positioning mark 16 can be set to brightly painted line markings, as a reference bit, improve location efficiency.
Use the utility model when the HFW steel pipe seam is impacted the breach location, to shown in Figure 7, the specific works process is with reference to Fig. 5:
1. the HFW steel pipe seam impact specimen 14 that at first will be positioned corrodes, so that the weld seam 15 melt run profiles of impact specimen 14 can more clearly show;
2. the impact specimen 14 that corroded is arranged in a row and is placed on the base 1, in the position of observing weld seam 15 on the impact specimen 14 under the environment of illumination abundance by regulating magnifier 8, the different impact specimens 14 of lateral adjustments are so that weld seam 15 melt runs are alignd with the positioning mark 16 of main scale 10;
3. tighten gland nut 7, this moment, impact specimen 14 was fixed on the base 1;
4. slip positioning rule 4 overlaps the zero graduation line of vernier scale 11 with the zero graduation line of main scale 10, tighten simultaneously trip bolt 5.At this moment, along the position line that vertically draws weld seam 15 melt runs of positioning rule 4.
Also can impact breach to the HFW Steel Pipe Heat zone of influence by above step and position, its operating process is similar, is not given unnecessary details.
Use the utility model after the HFW steel pipe seam is impacted the breach location, the zero graduation line of finding vernier scale 11 this moment does not overlap fully with the zero graduation line of main scale 10, observe the coincidence scale mark reading error of vernier scale 11 and main scale 10 grooves apart from (principle and vernier caliper are consistent), control when requiring if error distance is lower than, then this error can be accepted.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a HFW steel pipe seam impacts gap positioning device, it is characterized in that described device comprises tabular base (1), places the impact specimen (14) that is positioned on it; Described base (1) two ends are respectively arranged with perpendicular location-plate (2) and back up pad (3), and described impact specimen (14) is positioned between described location-plate (2) and the back up pad (3); Be provided with the main scale (10) with scale on the described location-plate (2), between described location-plate (2) and the back up pad (3) and be positioned at described impact specimen (14) top and be provided with removable positioning rule (4) with scale, described main scale (10) be arranged in parallel with the scale of positioning rule (4).
2. HFW steel pipe seam according to claim 1 impacts gap positioning device, it is characterized in that, described positioning rule (4) comprises the attachable mechanical stage bar (17) that is arranged on the described location-plate (2), and perpendicular to the vernier scale (11) of described attachable mechanical stage bar (17), described vernier scale (11) is parallel to the upper surface of described location-plate (2) with the surface of scale.
3. HFW steel pipe seam according to claim 2 impacts gap positioning device, it is characterized in that described main scale (10) is arranged on the upper surface of described location-plate (2), and the below of this upper surface is provided with strip loose slot (12); One end of described attachable mechanical stage bar (17) passes described loose slot (12) and is provided with vertical with attachable mechanical stage bar (17) and towards the kelly (18) of base (1) at this end.
4. HFW steel pipe seam according to claim 3 impacts gap positioning device, it is characterized in that, be provided with the vertical shifting board (6) that is placed on the described base (1) between described back up pad (3) and the described location-plate (2), it is used for described impact specimen (14) is limited between itself and the location-plate (2).
5. HFW steel pipe seam according to claim 4 impacts gap positioning device, it is characterized in that, offers threaded hole (13) on the described back up pad (3), and gland nut (7) is installed in the described threaded hole (13).
6. HFW steel pipe seam according to claim 4 impacts gap positioning device, it is characterized in that, the height of described shifting board (6) equates with the height of described loose slot (12), the while described positioning rule of horizontal support (4).
7. HFW steel pipe seam according to claim 3 impacts gap positioning device, it is characterized in that, described loose slot (12) below is provided with trip bolt (5), and described trip bolt (5) passes described kelly (18) and location-plate (2).
8. HFW steel pipe seam according to claim 1 impacts gap positioning device, it is characterized in that, also comprises the magnifier (8) that links to each other with described base (1), and described magnifier (8) links to each other with described base (1) by regulator (9).
9. HFW steel pipe seam according to claim 3 impacts gap positioning device, it is characterized in that, the ascending sign direction of described main scale (10) and vernier scale (11) high scale value is consistent, zero graduation line on the described main scale (10) is positioned at the middle part of described location-plate (2) upper surface, and its zero graduation line one side is provided with positioning mark (16).
10. HFW steel pipe seam according to claim 9 impacts gap positioning device, it is characterized in that the minimum scale value of described main scale (10) high scale is 1mm, and the minimum scale value of described vernier scale (11) high scale is 0.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382068 CN202757831U (en) | 2012-08-02 | 2012-08-02 | High frequency welding (HFW) steel pipe welding line impact gap locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382068 CN202757831U (en) | 2012-08-02 | 2012-08-02 | High frequency welding (HFW) steel pipe welding line impact gap locating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757831U true CN202757831U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220382068 Expired - Fee Related CN202757831U (en) | 2012-08-02 | 2012-08-02 | High frequency welding (HFW) steel pipe welding line impact gap locating device |
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| CN (1) | CN202757831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196715A (en) * | 2013-03-06 | 2013-07-10 | 中国石油天然气集团公司 | Processing method of Charpy impact samples |
| CN108918229A (en) * | 2018-08-15 | 2018-11-30 | 招商局重工（江苏）有限公司 | The device and method positioned for welding point impact specimen fixed length and notch |
-
2012
- 2012-08-02 CN CN 201220382068 patent/CN202757831U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196715A (en) * | 2013-03-06 | 2013-07-10 | 中国石油天然气集团公司 | Processing method of Charpy impact samples |
| CN103196715B (en) * | 2013-03-06 | 2016-08-03 | 中国石油天然气集团公司 | A kind of processing method of Charpy bar |
| CN108918229A (en) * | 2018-08-15 | 2018-11-30 | 招商局重工（江苏）有限公司 | The device and method positioned for welding point impact specimen fixed length and notch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130227 Termination date: 20210802 |