CN215919567U - Anti-deformation mechanism for welding engineering mechanical structural part - Google Patents
Anti-deformation mechanism for welding engineering mechanical structural part Download PDFInfo
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- CN215919567U CN215919567U CN202122346647.8U CN202122346647U CN215919567U CN 215919567 U CN215919567 U CN 215919567U CN 202122346647 U CN202122346647 U CN 202122346647U CN 215919567 U CN215919567 U CN 215919567U
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- rod body
- welding
- screw rod
- middle rod
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Abstract
The utility model discloses a reversible deformation mechanism for welding an engineering mechanical structural part, which comprises a middle rod body, wherein two ends of the middle rod body are respectively fixed with a threaded sleeve; one end of one of the threaded sleeves, which is far away from the middle rod body, is connected with a left-handed screw rod through left-handed threads; one end of the other threaded sleeve, which is far away from the middle rod body, is in right-hand threaded connection with a right-hand screw rod; positioning bayonets are fixed at one ends of the left-handed screw rod and the right-handed screw rod, which are far away from the adjacent threaded sleeves, and the openings of the two positioning bayonets are arranged in a back-to-back manner; the middle part of the middle rod body is provided with a stress application rod; the mechanism achieves welding reversible deformation positioning by utilizing the principle of left-handed threads and right-handed threads, avoids flame correction after welding and saves a large amount of cost.
Description
Technical Field
The utility model relates to the field of engineering machinery welding structural members, in particular to a reversible deformation mechanism for welding an engineering machinery structural member.
Background
In the engineering machinery, for the welding deformation of large structural parts, a post-welding flame shape correction process is mostly adopted. The flame sizing process has the advantages of high gas cost, long cooling time, environmental pollution, quality risk reduction of material strength or toughness caused by changing base metal components at higher temperature, high operation difficulty of the flame sizing process and difficulty in ensuring the size consistency of products after sizing.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical defects, the utility model aims to provide a reversible deformation mechanism for welding an engineering mechanical structural part, which achieves welding reversible deformation positioning by utilizing the principle of left-handed threads and right-handed threads, avoids flame correction after welding and saves a large amount of cost.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a reversible deformation mechanism for welding an engineering mechanical structural part, which comprises an intermediate rod body, wherein two ends of the intermediate rod body are respectively fixed with a threaded sleeve;
one end of the threaded sleeve, which is far away from the middle rod body, is connected with a left-handed screw rod through left-handed threads;
the right-handed screw rod is connected to one end, far away from the middle rod body, of the other threaded sleeve through right-handed threads;
positioning bayonets are fixed at one ends of the left-handed screw rod and the right-handed screw rod, which are far away from the adjacent threaded sleeves, and the openings of the two positioning bayonets are arranged in a back-to-back manner;
and a force applying rod is arranged in the middle of the middle rod body.
Preferably, the positioning bayonet is a U-shaped clamping piece.
Preferably, the middle rod body is a hollow seamless steel tube, and a plurality of through holes which are matched with the thread of the stress application rod and can be penetrated through by the stress application rod are formed in the middle rod body.
Preferably, the threaded sleeve and the middle rod body are fixed in a welding mode.
Preferably, the positioning bayonet is detachably fixed with the left-handed screw rod and the right-handed screw rod.
Preferably, the middle rod body is formed by assembling a plurality of sections of steel pipes.
The utility model has the beneficial effects that: the mechanism utilizes the principle of left-handed threads and right-handed threads to rotate the middle rod body, so that the positioning bayonets on the two sides move in opposite directions, the sizes of workpieces are enlarged by the positioning bayonets, and the effect of welding reversible deformation is further achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a reversible deformation mechanism for welding an engineering mechanical structural member according to an embodiment of the present invention;
fig. 2 is a schematic use view of a reversible deformation mechanism for welding a structural member of an engineering machine according to an embodiment of the present invention.
Description of reference numerals:
1. a middle rod body; 2. a threaded sleeve; 4. a left-handed screw rod; 5. a right-handed screw rod; 6. positioning the bayonet; 7. a stress application rod.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the reversible deformation mechanism for welding the engineering mechanical structural member comprises a middle rod body 1 made of a hollow seamless steel tube, wherein a stress application rod 7 is arranged in the middle of the middle rod body 1, and two ends of the middle rod body 1 are respectively welded and fixed with a threaded sleeve 2;
one end of one of the threaded sleeves 2, which is far away from the middle rod body 1, is connected with a left-handed screw rod 4 through left-handed threads;
the right-handed screw rod 4 is connected to one end, far away from the middle rod body 1, of the other threaded sleeve 2 through right-handed threads;
positioning bayonets 6 are fixed at one ends of the left-handed screw rod 4 and the right-handed screw rod 5, which are far away from the adjacent threaded sleeves 2, the positioning bayonets 6 are U-shaped clamping pieces, and the openings of the two positioning bayonets 6 are arranged in a back-to-back manner;
the middle rod body 1 is provided with a plurality of through holes which are matched with the screw threads of the stressing rod 7 and are used for the stressing rod to pass through.
The fixing mode of the positioning bayonet 6, the left-handed screw rod 4 and the right-handed screw rod 5 is detachable, and the positioning bayonets 6 with different sizes are selected for adapting to different workpieces.
The middle rod body 1 is formed by assembling a plurality of sections of steel pipes, is convenient for adjusting length and is suitable for different workpiece sizes.
When the mechanism is used, the positioning bayonets 6 on two sides of the mechanism are respectively clamped on two sides of a workpiece, the stressing rod 7 penetrates into the hole of the middle rod body 1, the clockwise rotation is carried out, the left-handed screw rod 4 and the right-handed screw rod 5 are utilized to respectively drive the positioning bayonets 6 to move in opposite directions, the size of the workpiece is enlarged, and the effect of welding reverse deformation is achieved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides an engineering machine tool structure welding is with anti-deformation mechanism which characterized in that:
the device comprises a middle rod body (1), wherein two ends of the middle rod body (1) are respectively fixed with a threaded sleeve (2);
one end of one of the threaded sleeves (2) far away from the middle rod body (1) is connected with a left-handed screw rod (4) in a left-handed threaded manner;
the right-handed screw rod (5) is connected to one end, far away from the middle rod body (1), of the other threaded sleeve (2) in a right-handed threaded manner;
positioning bayonets (6) are fixed at one ends of the left-handed screw rod (4) and the right-handed screw rod (5) far away from the adjacent threaded sleeves (2), and openings of the two positioning bayonets (6) are arranged in a back-to-back manner;
and a force applying rod (7) is arranged in the middle of the middle rod body (1).
2. The reversible deformation mechanism for welding the structural member of the engineering machinery as claimed in claim 1, wherein: the positioning bayonet (6) is a U-shaped clamping piece.
3. The reversible deformation mechanism for welding the structural member of the engineering machinery as claimed in claim 1, wherein: the middle rod body (1) is a hollow seamless steel tube, and a plurality of through holes which are matched with the stress application rod (7) in a threaded mode and can be penetrated through are formed in the middle rod body (1).
4. The reversible deformation mechanism for welding the structural member of the engineering machinery as claimed in claim 1, wherein: the threaded sleeve (2) and the middle rod body (1) are fixed in a welding mode.
5. The reversible deformation mechanism for welding the structural member of the engineering machinery as claimed in claim 1, wherein: the fixing mode of the positioning bayonet (6), the left-handed screw rod (4) and the right-handed screw rod (5) is detachable and fixed.
6. The reversible deformation mechanism for welding the structural member of the engineering machinery as claimed in claim 1, wherein: the middle rod body (1) is formed by assembling a plurality of sections of steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122346647.8U CN215919567U (en) | 2021-09-27 | 2021-09-27 | Anti-deformation mechanism for welding engineering mechanical structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122346647.8U CN215919567U (en) | 2021-09-27 | 2021-09-27 | Anti-deformation mechanism for welding engineering mechanical structural part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215919567U true CN215919567U (en) | 2022-03-01 |
Family
ID=80415883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122346647.8U Active CN215919567U (en) | 2021-09-27 | 2021-09-27 | Anti-deformation mechanism for welding engineering mechanical structural part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215919567U (en) |
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2021
- 2021-09-27 CN CN202122346647.8U patent/CN215919567U/en active Active
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