CN215747380U - Positioning device for welding vibration-proof strips in steam generator - Google Patents
Positioning device for welding vibration-proof strips in steam generator Download PDFInfo
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- CN215747380U CN215747380U CN202121243990.3U CN202121243990U CN215747380U CN 215747380 U CN215747380 U CN 215747380U CN 202121243990 U CN202121243990 U CN 202121243990U CN 215747380 U CN215747380 U CN 215747380U
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Abstract
The utility model relates to the technical field of welding positioning, and discloses a positioning device for welding a vibration-proof strip in a steam generator, which comprises a base, the vibration-proof strip, a vibration-proof strip end cap and a retaining ring, wherein the upper surface of the base is provided with a positioning groove, the vibration-proof strip end cap is inserted into the positioning groove, the vibration-proof strip is inserted into the vibration-proof strip end cap, the retaining ring is positioned at the top of the vibration-proof strip end cap, and the left side and the right side of the upper surface of the base are respectively provided with a pressing mechanism for pressing down two ends of the retaining ring; hold-down mechanism includes elastic telescopic rod and clamping ring, elastic telescopic rod is vertical fixed the setting in the upper surface of base, the clamping ring is fixed to be set up in elastic telescopic rod's upper end, the retaining ring is and passes the inside setting of clamping ring. The utility model can weld the retaining ring and the end cap of the vibration-proof strip firmly, thereby improving the welding quality.
Description
Technical Field
The utility model relates to the technical field of welding positioning, in particular to a positioning device for welding a vibration-proof strip in a steam generator.
Background
The vibration-proof strip is an important part of the steam generator tube bundle assembly, is positioned between two adjacent tube bundles, and is used for supporting the tube bundles to clamp the tubes to prevent the tubes from elastic vibration caused by unstable liquid flow, limiting the vibration caused by liquid turbulence and keeping the vibration as low as possible, thereby reducing the damage of the tubes caused by fatigue fretting and corrosion.
The vibration-proof strip end cap and the retaining ring need to be welded in manufacturing, but a good positioning device is lacked between the vibration-proof strip end cap and the retaining ring, so that the vibration-proof strip end cap and the retaining ring are easy to deviate, and welding errors are caused. To this end, the utility model proposes a positioning device for welding vibration-proof strips in a steam generator.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that welding errors are caused by the fact that a better positioning device is not arranged between an end cap of a vibration-proof strip and a retaining ring, and the end cap of the vibration-proof strip and the retaining ring are prone to shifting in the prior art, and provides the positioning device for welding the vibration-proof strip in a steam generator.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a positioning device for welding a vibration-proof strip in a steam generator comprises a base, the vibration-proof strip, a vibration-proof strip end cap and a retaining ring, wherein a positioning groove is formed in the upper surface of the base, the vibration-proof strip end cap is inserted into the positioning groove, the vibration-proof strip is inserted into the vibration-proof strip end cap, the retaining ring is positioned at the top of the vibration-proof strip end cap, and pressing mechanisms for pressing the two ends of the retaining ring are arranged on the left side and the right side of the upper surface of the base;
hold-down mechanism includes elastic telescopic rod and clamping ring, elastic telescopic rod is vertical fixed the setting in the upper surface of base, the clamping ring is fixed to be set up in elastic telescopic rod's upper end, the retaining ring is and passes the inside setting of clamping ring.
Preferably, the elastic telescopic rod comprises a sleeve, a moving rod and a spring, the sleeve is vertically and fixedly arranged on the upper surface of the base, the moving rod is slidably arranged inside the sleeve, the lower end of the moving rod is fixedly connected with the inner wall of the sleeve through the spring, and the upper end of the moving rod is fixedly connected with the compression ring.
Preferably, the inner side wall of the pressing ring is fixedly provided with a rubber ring.
Preferably, supporting legs are fixedly arranged at four corners of the lower surface of the base.
Preferably, the size of the positioning groove matches the size of the vibration-proof strip end cap.
Preferably, the diameter of the pressure ring is larger than the diameter of the retaining ring.
Compared with the prior art, the utility model provides a positioning device for welding the anti-vibration strip in the steam generator, which has the following beneficial effects:
this a be used for antivibration strip welded positioner among steam generator, through setting up the constant head tank on the base, can stably peg graft the antivibration strip end cap, then insert the antivibration strip in the inside of antivibration strip end cap, through elasticity telescopic link and the clamping ring that is equipped with, can compress tightly the top at the antivibration strip end cap with the retaining ring, can avoid appearing not hard up phenomenon of skew between antivibration strip end cap and the retaining ring, thereby can be with the firm welding between retaining ring and the antivibration strip end cap.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the utility model can stably weld the retaining ring and the end cap of the vibration-proof strip, and the welding quality is improved.
Drawings
Fig. 1 is a schematic structural view of a positioning device for welding vibration-proof bars in a steam generator according to the present invention;
FIG. 2 is a schematic top view of the base of FIG. 1;
fig. 3 is a schematic side view of the elastic expansion link and the compression ring in fig. 1.
In the figure: the vibration-proof device comprises a base 1, vibration-proof strips 2, vibration-proof strip end caps 3, a retaining ring 4, an elastic telescopic rod 5, a compression ring 6, a sleeve 7, a movable rod 8, a spring 9, a positioning groove 10, a rubber ring 11 and supporting legs 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a positioning device for welding a vibration-proof strip in a steam generator comprises a base 1, a vibration-proof strip 2, a vibration-proof strip end cap 3 and a retaining ring 4, wherein a positioning groove 10 is formed in the upper surface of the base 1, the vibration-proof strip end cap 3 is inserted into the positioning groove 10, the vibration-proof strip 2 is inserted into the vibration-proof strip end cap 3, the retaining ring 4 is positioned at the top of the vibration-proof strip end cap 3, and pressing mechanisms for pressing down two ends of the retaining ring 4 are arranged on the left side and the right side of the upper surface of the base 1;
hold-down mechanism includes elastic telescopic rod 5 and clamping ring 6, and elastic telescopic rod 5 is vertical fixed the setting in the upper surface of base 1, and clamping ring 6 is fixed the setting in elastic telescopic rod 5's upper end, and retaining ring 4 is the inside setting that passes clamping ring 6, and the diameter of clamping ring 6 is greater than the diameter of retaining ring 4, and the inside wall of clamping ring 6 is fixed and is equipped with rubber circle 11, can increase the frictional resistance between retaining ring 4 and the clamping ring 6.
Supporting legs 12 are fixedly arranged at the four corners of the lower surface of the base 1.
The size of the positioning groove 10 matches the size of the anti-vibration strip end cap 3, so that the anti-vibration strip end cap 3 can be stably inserted on the upper surface of the base 1.
When the vibration-proof strip end cap welding device is used, the vibration-proof strip end caps 3 are inserted into the positioning grooves 10 in the upper surface of the base 1, the vibration-proof strips 2 are inserted between the two adjacent vibration-proof strip end caps 3, the retaining ring 4 is placed at the top of the vibration-proof strip end caps 3 on the same side, meanwhile, the two ends of the retaining ring 4 penetrate through the inside of the pressing ring 6, the elastic telescopic rod 5 has an elastic function, the elastic telescopic rod 5 provides downward tensile force for the pressing ring 6, the retaining ring 4 is in close contact with the tops of the vibration-proof strip end caps 3, the phenomenon that the vibration-proof strip end caps 3 and the retaining ring 4 are loosened and offset can be avoided, and therefore the retaining ring 4 and the vibration-proof strip end caps 3 can be welded stably.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A positioning device for welding a vibration-proof strip in a steam generator comprises a base (1), the vibration-proof strip (2), a vibration-proof strip end cap (3) and a retaining ring (4), and is characterized in that a positioning groove (10) is formed in the upper surface of the base (1), the vibration-proof strip end cap (3) is inserted into the positioning groove (10), the vibration-proof strip (2) is inserted into the vibration-proof strip end cap (3), the retaining ring (4) is positioned at the top of the vibration-proof strip end cap (3), and pressing mechanisms for pressing the two ends of the retaining ring (4) are arranged on the left side and the right side of the upper surface of the base (1);
hold-down mechanism includes elastic telescopic rod (5) and clamping ring (6), elastic telescopic rod (5) are vertical fixed the setting in the upper surface of base (1), clamping ring (6) are fixed to be set up in the upper end of elastic telescopic rod (5), retaining ring (4) are and pass the inside setting of clamping ring (6).
2. The positioning device for welding the vibration-proof strips in the steam generator is characterized in that the elastic telescopic rod (5) comprises a sleeve (7), a moving rod (8) and a spring (9), the sleeve (7) is vertically and fixedly arranged on the upper surface of the base (1), the moving rod (8) is slidably arranged inside the sleeve (7), the lower end of the moving rod (8) is fixedly connected with the inner wall of the sleeve (7) through the spring (9), and the upper end of the moving rod (8) is fixedly connected with the pressing ring (6).
3. The positioning device for welding vibration-proof strips in a steam generator according to claim 1, characterized in that the inner side wall of the pressing ring (6) is fixedly provided with a rubber ring (11).
4. The positioning device for welding vibration-proof strips in a steam generator according to claim 1 is characterized in that supporting feet (12) are fixedly arranged at four corners of the lower surface of the base (1).
5. A positioning device for the welding of anti-vibration strips in steam generators according to claim 1, characterized in that the dimensions of the positioning slot (10) match the dimensions of the anti-vibration strip end cap (3).
6. A positioning device for welding anti-vibration strips in steam generators, according to claim 1, characterized in that the diameter of the pressing ring (6) is greater than the diameter of the retaining ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121243990.3U CN215747380U (en) | 2021-06-04 | 2021-06-04 | Positioning device for welding vibration-proof strips in steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121243990.3U CN215747380U (en) | 2021-06-04 | 2021-06-04 | Positioning device for welding vibration-proof strips in steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215747380U true CN215747380U (en) | 2022-02-08 |
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ID=80099278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121243990.3U Active CN215747380U (en) | 2021-06-04 | 2021-06-04 | Positioning device for welding vibration-proof strips in steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215747380U (en) |
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2021
- 2021-06-04 CN CN202121243990.3U patent/CN215747380U/en active Active
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