CN217253957U - Welding tool for curved arm beam - Google Patents
Welding tool for curved arm beam Download PDFInfo
- Publication number
- CN217253957U CN217253957U CN202123349546.2U CN202123349546U CN217253957U CN 217253957 U CN217253957 U CN 217253957U CN 202123349546 U CN202123349546 U CN 202123349546U CN 217253957 U CN217253957 U CN 217253957U
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- Prior art keywords
- curved boom
- curved
- welding
- fixedly arranged
- support
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- Expired - Fee Related
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 230000001788 irregular Effects 0.000 abstract description 2
- 230000036544 posture Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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Abstract
The utility model discloses a welding tool for a curved boom beam, wherein a bend is arranged at the middle part of the curved boom beam, the middle part and the two ends of the curved boom beam are both penetrated and connected with a plurality of pin shafts, the welding tool comprises a collet, a cambered surface rack matched and supported on the bottom surface of the curved boom beam is fixedly arranged at the middle part of the collet, a plurality of groups of positioning clamps are oppositely and fixedly arranged on the collet for clamping the curved boom beam and radially supporting the shaft supports of the pin shafts, and a top supporting plate is vertically and fixedly arranged at one side of the collet; the top supporting plate is connected with a plurality of bolt supporting pieces which are supported on the side wall of the curved arm beam in a penetrating way. The welding tool positions the flat plates on the side surfaces of the two bent arm beams in an upright posture, guarantees the consistency of stress supporting directions of the two flat plates, further enables the welding stress bearing directions of the two flat plates to be the same, and avoids irregular bending and deformation of the whole bent arm beam in the welding process.
Description
Technical Field
The utility model relates to a frock clamp technical field specifically is a welding frock of curved boom roof beam.
Background
In the prior art, two plane side walls of a curved arm beam are welded on a flat plate in the welding process of the curved arm beam, then the two welded curved arm beam flat plates are positioned in a high-low projection posture in a plane posture, then connecting plates of the two plane side walls are welded on the sides of the positioning posture, and then the curved arm beam with a hollow structure is welded; however, in the above process, the two curved beam plates in the high-low projection postures are only completely parallel theoretically, and are very easy to bend locally due to factors such as welding stress in actual welding, and the bending error of the lower plate is large due to uneven stress of the upper plate and the lower plate, so that the precision requirement of the welding of the curved beam cannot be met.
Therefore, how to design a welding tool to make the stress magnitude and stress direction of the two curved beam plates the same in the welding process becomes a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a welding frock of curved boom roof beam, this welding frock is with the flat board of two curved boom roof beam sides in upright gesture location, guarantees the uniformity of two dull and stereotyped atress support directions, and then makes its welding stress bear the direction the same, avoids the welding process in the whole irregular buckling and deformation of taking place of curved boom roof beam.
A welding tool for a curved arm beam is characterized in that a bend is formed in the middle of the curved arm beam, a plurality of pin shafts are connected to the middle and two ends of the curved arm beam in a penetrating mode, the welding tool comprises a bottom support, a cambered surface rack which is supported on the bottom surface of the curved arm beam in a matched mode is fixedly arranged in the middle of the bottom support, a plurality of groups of shaft supports which are used for positioning clamping the curved arm beam and radially supporting the pin shafts are fixedly arranged on the bottom support in an opposite mode, and a top supporting plate is fixedly arranged on one side of the bottom support in a vertical direction; the top supporting plate is connected with a plurality of bolt supporting pieces which are supported on the side wall of the curved arm beam in a penetrating way.
And the axle supports are symmetrically and fixedly arranged on the bottom supports at the two sides of the cambered surface rack, and the top parts of the axle supports are provided with U-shaped brackets which are matched with the supporting pin shafts and have openings at the top parts.
And the shaft support comprises a middle shaft support and an end shaft support, wherein the middle shaft support is Y-shaped, and two ends of the top of the middle shaft support are radially supported on the pin shafts in the middle of the bent arm beam and at the top of the bent arm beam respectively.
Moreover, the two sides of the cambered surface rack are made into planes, the distance between the two sides of the cambered surface rack is smaller than the distance between the two sides of the curved beam, and the top surface of the cambered surface rack is made into an arc surface.
The utility model has the advantages and the technical effect be:
the utility model discloses a welding frock of curved boom roof beam, provide the main part of welding frock through the collet to support, the cambered surface rack on the collet is with the arcwall face that its top was made, paste the tight fit on curved bottom surface of curved boom roof beam, with the axle bracket respectively radial support curved boom roof beam top, middle part and the round pin axle at both ends, and in order to avoid the flat deformation that welding stress leads to after the welding is accomplished, can push up the lateral wall of tight curved boom roof beam in side through the bolt jack piece; and the demoulding is convenient after the welding is finished, and the integral hoisting is finished and the beam welding assembly is completed.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a side view of the present invention;
fig. 4 is a side view of the present invention;
in the figure: 1-collet; 2-a curved boom beam; 3-cambered surface rack; 4-a pin shaft; 5-shaft support; 6-top supporting plate; 7-bolt top support; 8-U shaped bracket.
Detailed Description
For a better understanding of the contents, features and effects of the present invention, the following embodiments will be illustrated in detail with reference to the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A welding fixture of a curved boom beam is characterized in that a bend is formed in the middle of the curved boom beam 2, a plurality of pin shafts 4 are penetratingly connected to the middle and two ends of the curved boom beam, the welding fixture comprises a bottom support 1, a cambered surface rack 3 which is supported on the bottom surface of the curved boom beam in a matched mode is fixedly arranged in the middle of the bottom support, a plurality of groups of shaft supports 5 which are used for positioning and clamping the curved boom beam and radially supporting the pin shafts are fixedly arranged on the bottom support in opposite directions, and a top supporting plate 6 is fixedly arranged on one side of the bottom support in a vertical direction; the top supporting plate is penetratingly connected with a plurality of bolt supporting pieces 7 which are supported on the side wall of the bent arm beam.
And the shaft supports are symmetrically and fixedly arranged on the bottom supports at the two sides of the cambered surface rack, and U-shaped brackets 8 which are matched with the supporting pin shafts and have openings at the tops are manufactured at the tops of the shaft supports.
And the shaft support comprises a middle shaft support and an end shaft support, wherein the middle shaft support is Y-shaped, and two ends of the top of the middle shaft support are radially supported on the pin shafts in the middle of the bent arm beam and at the top of the bent arm beam respectively.
Moreover, the two sides of the cambered surface rack are made into planes, the distance between the two sides of the cambered surface rack is smaller than the distance between the two sides of the curved beam, and the top surface of the cambered surface rack is made into an arc surface.
Additionally, the utility model discloses preferably, bolt top support piece adopts the ripe product among the prior art, and this bolt top support piece uses the fagging to support and the top pressure supports the regulation connected mode on the curved boom roof beam lateral wall as the basis adopts the ripe technical means among the prior art.
To more clearly illustrate the embodiments of the present invention, an example is provided below:
the utility model discloses a welding frock of curved boom roof beam, weld two planar lateral walls of accomplishing the curved boom roof beam on prior art's horizontal support bench earlier, then pierce through the connecting pin axle on two planar lateral walls, articulate two planar lateral walls on the cambered surface rack, two planar lateral walls of guaranteeing the curved boom roof beam through measuring are parallel, then use the cambered surface rack as the bottom plate of connecting between two planar lateral walls of support welding, the roof of last welding curved boom roof beam, the tight bolt top support piece in top after the welding is accomplished cools off the back until the welding seam, loosen the bolt top support piece and can be by the whole curved boom roof beam that lifts up on the welding frock.
Finally, the parts of the utility model which are not described adopt the mature products and the mature technical means in the prior art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (4)
1. The utility model provides a welding frock of curved boom roof beam, the middle part of this curved boom roof beam is made and is bent, and the middle part and the both ends of curved boom roof beam all pierce through and be connected with many round pin axles, its characterized in that: the welding tool comprises a bottom support, wherein a cambered surface rack which is matched and supported on the bottom surface of the curved arm beam is fixedly arranged in the middle of the bottom support, a plurality of groups of shaft supports which are used for positioning and clamping the curved arm beam and radially supporting the pin shaft are fixedly arranged on the bottom support in opposite directions, and a top supporting plate is vertically and fixedly arranged on one side of the bottom support; and a plurality of bolt supporting pieces supported on the side wall of the bent arm beam are penetratingly connected to the supporting plate.
2. The welding frock of curved boom roof beam of claim 1, its characterized in that: the shaft supports are symmetrically and fixedly arranged on the bottom supports on two sides of the cambered surface rack, and U-shaped support grooves matched with the supporting pin shafts and provided with openings at the tops are formed in the tops of the shaft supports.
3. The welding frock of curved boom roof beam of claim 2, its characterized in that: the shaft support comprises a middle shaft support and an end shaft support, wherein the middle shaft support is Y-shaped, and two ends of the top of the middle shaft support are radially supported on the pin shafts in the middle of the curved arm beam and at the top of the curved arm beam respectively.
4. The welding frock of curved boom roof beam of claim 1, its characterized in that: the both sides system of cambered surface rack is the plane, and the interval of two sides of this cambered surface rack is less than the interval of two sides of curved boom roof beam, and the top surface system of cambered surface rack is the arcwall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349546.2U CN217253957U (en) | 2021-12-28 | 2021-12-28 | Welding tool for curved arm beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349546.2U CN217253957U (en) | 2021-12-28 | 2021-12-28 | Welding tool for curved arm beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217253957U true CN217253957U (en) | 2022-08-23 |
Family
ID=82890797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123349546.2U Expired - Fee Related CN217253957U (en) | 2021-12-28 | 2021-12-28 | Welding tool for curved arm beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217253957U (en) |
-
2021
- 2021-12-28 CN CN202123349546.2U patent/CN217253957U/en not_active Expired - Fee Related
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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: 20220823 |