CN217253527U - Surfacing welding mechanism for prestress treatment of abrasion-resistant plate base material steel plate - Google Patents
Surfacing welding mechanism for prestress treatment of abrasion-resistant plate base material steel plate Download PDFInfo
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- CN217253527U CN217253527U CN202123375225.XU CN202123375225U CN217253527U CN 217253527 U CN217253527 U CN 217253527U CN 202123375225 U CN202123375225 U CN 202123375225U CN 217253527 U CN217253527 U CN 217253527U
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- steel plate
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- prestress
- surfacing
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Abstract
The utility model relates to a build-up welding technical field especially relates to a build-up welding mechanism is handled to antifriction plate mother metal steel sheet prestressing force. The device comprises a wear-resistant plate wood steel plate, a prestress treatment device used for being matched with the wear-resistant plate wood steel plate to perform prestress treatment, and surfacing equipment arranged right above the prestress treatment device, wherein the prestress treatment device comprises a clamping device assembly used for clamping the wear-resistant plate wood steel plate, and a hydraulic device arranged on the rear side of the clamping device assembly. The utility model discloses an useful part: because the steel plate is subjected to tensile stress to generate a small amount of elastic deformation before surfacing, and the prestress clamping system is released after surfacing, the steel plate can be contracted and recovered from the elastic deformation range, the tensile stress generated by hard surface surfacing is offset, so that the welding residual stress is reduced, stress release cracks generated in the welding process of the hard surface are also tightly sealed due to the contraction of the steel plate base material, and the impact resistance of the hard surface layer is favorably improved.
Description
Technical Field
The utility model relates to a build-up welding technical field especially relates to a build-up welding mechanism is handled to antifriction plate base metal steel sheet prestressing force.
Background
The surfacing composite wear-resisting plate with the hard surface made of high-carbon high-chromium alloy is usually manufactured by a common carbon structural steel plate with good surfacing weldability through open arc welding by using a flux-cored wire.
In-process, electric arc melts flux cored wire postweld and cools off on the steel sheet and form wear-resisting hard surface layer, because the difference in temperature of surfacing layer and steel sheet base metal, the hard surface layer on the surfacing cools off the solidification process that gets off in high temperature, because expend with heat and contract with cold's relation, compare in colder base metal, the hard surface layer shrinkage is obvious great, colder base metal has restricted the shrink of hard surface layer and has made the hard surface layer remain tensile stress, in addition the hard surface layer characteristic more hard and brittle itself, consequently can produce the crackle in the hard surface layer, release remaining stress.
Stress releasing cracks on the hard surface layer are easy to break and strip after being impacted because the hard surface material at the opening edge of the cracks is unsupported, so that a prestress processing surfacing mechanism for a wear-resisting plate base material steel plate needs to be designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a build-up welding mechanism is handled to antifriction plate mother metal steel sheet prestressing force to overcome the above-mentioned not enough that prior art exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a built-up welding mechanism is handled in antifriction plate parent metal steel sheet prestressing force, its includes antifriction plate timber steel sheet, is used for cooperating antifriction plate timber steel sheet to carry out prestressing force processing's prestressing force processing apparatus and arrange the build-up welding equipment directly over prestressing force processing apparatus in, prestressing force processing apparatus is including the clamping device subassembly that is used for centre gripping antifriction plate timber steel sheet, set up in the hydraulic means of clamping device subassembly rear side.
Preferably, the clamping device assembly comprises a left clamping block, a right clamping block, a locking mechanism is arranged on the left clamping block and the right clamping block in a matched mode, limiting grooves used for placing the wear-resisting plate wood steel plate are formed in the left clamping block and the right clamping block, and cushion blocks are arranged at the end portions of the locking mechanism.
Preferably, bolt holes are formed in two sides of the wood steel plate of the wear-resisting plate.
The utility model has the advantages that: because the steel plate is subjected to tensile stress to generate a small amount of elastic deformation before surfacing, and the prestress clamping system is released after surfacing, the steel plate can be contracted and recovered from the elastic deformation range, the tensile stress generated by hard surface surfacing is offset, so that the welding residual stress is reduced, stress release cracks generated in the welding process of the hard surface are also tightly sealed due to the contraction of the steel plate base material, and the impact resistance of the hard surface layer is favorably improved.
Drawings
FIG. 1 is a schematic structural diagram of a pre-stress treatment surfacing mechanism for a base material steel plate of a wear-resisting plate of the present invention;
FIG. 2 is a top view of the antifriction plate wood steel plate of the antifriction plate base material steel plate prestress treatment surfacing welding mechanism of the utility model;
in the figure: 1. an upper die; 2. a lower die; 3. a column; 11. the upper upright post is provided with a positioning groove; 12. locking bolt holes of the upper upright columns; 13. an upper die cavity; 21. a lower mold cavity; 22. the lower upright post is provided with a positioning groove; 23. a lower upright column locking bolt hole; 31. a column mold cavity; 14. an upper weight reduction groove; 32. a column weight reduction groove; 33. a threaded hole; 24. a lower weight-reducing groove; 4. a bolt; 5. a supporting foot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
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, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to 2, the embodiment is a wear plate base material steel plate prestress treatment surfacing mechanism, which includes a wear plate wood steel plate 1, a prestress treatment device for cooperating with the wear plate wood steel plate to perform prestress treatment, and a surfacing device 2 disposed directly above the prestress treatment device, wherein the prestress treatment device includes a clamping device assembly 3 for clamping the wear plate wood steel plate, and a hydraulic device 4 disposed at the rear side of the clamping device assembly.
The clamping device subassembly includes that left grip block 31, right grip block 32 and cooperation are provided with locking mechanism 33 on left grip block and the right grip block, all offer the spacing groove that is used for placing antifriction plate timber steel sheet on left side grip block and the right grip block, locking mechanism's tip is provided with the cushion. The left clamping block and the right clamping block are arranged in a bilateral symmetry mode, the left clamping block and the right clamping block are arranged in the limiting grooves of the left clamping block and the right clamping block, and the locking mechanism is locked through the locking mechanism 33. The cushion blocks are made of rubber materials and used for protecting the surfaces of the wear-resisting plates, namely the wood steel plates.
This embodiment case 1, go into the spacing groove of left grip block and right grip block with antifriction plate timber steel sheet card, the mounting hole in left grip block and the right grip block is aimed at to the bolt hole 11 of antifriction plate timber steel sheet both sides sets up, fix antifriction plate timber steel sheet through the screw bolt and nut cooperation, exert tensile stress to antifriction plate timber steel sheet in advance after the centre gripping, the stress value is less than the yield strength of steel sheet material itself, in order to maintain in the elastic deformation interval, in order to ensure to release steel sheet centre gripping frock after the build-up welding, its elastic deformation elongation can resume to the steel sheet, specific antifriction plate timber steel sheet uses Q235, its yield strength standard >235, pre-add tensile stress 200Mpa before the build-up welding on the steel sheet, the steel sheet produces tensile elastic deformation volume about 0.1%.
The utility model discloses an useful part, because the steel sheet adds tensile stress in advance before the build-up welding and produces a small amount of elastic deformation, release prestressing force clamping system behind the build-up welding, then the steel sheet can be followed tensile elastic deformation in-range shrinkage and recovered, the tensile stress that the hard-facing welding produced is offset for welding residual stress reduces, and the stress release crackle that the hard-facing produced in welding process also can be because of steel sheet mother metal shrink and driving fit, helps increasing the shock resistance of hard-facing layer.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a build-up welding mechanism is handled to antifriction plate base metal steel sheet prestressing force which characterized in that: the device comprises a wear-resistant plate wood steel plate, a prestress treatment device used for being matched with the wear-resistant plate wood steel plate to perform prestress treatment, and surfacing equipment arranged right above the prestress treatment device, wherein the prestress treatment device comprises a clamping device assembly used for clamping the wear-resistant plate wood steel plate, and a hydraulic device arranged on the rear side of the clamping device assembly.
2. A wear plate base material steel plate prestress treatment surfacing welding mechanism according to claim 1, wherein: the clamping device assembly comprises a left clamping block, a right clamping block, a locking mechanism is arranged on the left clamping block and the right clamping block in a matched mode, limiting grooves used for placing the wear-resisting plate wood steel plate are formed in the left clamping block and the right clamping block, and cushion blocks are arranged at the end portions of the locking mechanism.
3. A wear plate base material steel plate prestress treatment surfacing welding mechanism according to claim 1, wherein: bolt holes are formed in two sides of the wood steel plate of the wear-resisting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123375225.XU CN217253527U (en) | 2021-12-29 | 2021-12-29 | Surfacing welding mechanism for prestress treatment of abrasion-resistant plate base material steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123375225.XU CN217253527U (en) | 2021-12-29 | 2021-12-29 | Surfacing welding mechanism for prestress treatment of abrasion-resistant plate base material steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217253527U true CN217253527U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123375225.XU Active CN217253527U (en) | 2021-12-29 | 2021-12-29 | Surfacing welding mechanism for prestress treatment of abrasion-resistant plate base material steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217253527U (en) |
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2021
- 2021-12-29 CN CN202123375225.XU patent/CN217253527U/en active Active
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