CN108436361B - Modularized assembly welding tool and method for wheel boxes of crane locomotives - Google Patents
Modularized assembly welding tool and method for wheel boxes of crane locomotives Download PDFInfo
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- CN108436361B CN108436361B CN201810321722.5A CN201810321722A CN108436361B CN 108436361 B CN108436361 B CN 108436361B CN 201810321722 A CN201810321722 A CN 201810321722A CN 108436361 B CN108436361 B CN 108436361B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0452—Orientable fixtures
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a modular assembly welding tool and a modular assembly welding method for a wheel box of a crane, wherein the assembly welding tool comprises a mounting platform, a main positioning plate for mounting and positioning a flange plate of the wheel box and a positioning wheel for mounting and positioning a web plate of the wheel box are arranged on the mounting platform, the central lines of the main positioning plate and the positioning wheel are arranged in a collinear way, an outer rim and an inner rim are arranged at two ends of the positioning wheel, and the outer rim and the inner rim form an annular clamping groove matched with the web plate of the wheel box. During assembly welding, the flange plate of the wheel box is installed and fixed by taking the main locating plate as a locating reference, the web plate of the wheel box is assembled and welded onto the flange plate by taking the annular clamping groove of the locating wheel as a locating reference, and then the top plate and the side plate of the wheel box are assembled and welded by taking the web plate and the flange plate of the wheel box as references, so that modularized assembly welding is completed, mechanical processing is not required after assembly welding, and the assembly welding precision is high by adopting the main locating plate and the locating wheel as locating references.
Description
Technical Field
The invention relates to the field of cranes, in particular to a crane wheel box modularized assembly welding tool and a crane wheel box modularized assembly welding method.
Background
The wheel box is an important component of the crane and is used for bearing all load and self weight of the crane and transmitting the load and the self weight to wheels, and meanwhile, the wheel box also affects the directional controllability of each running mechanism, so that the requirements on the self rigidity and the construction precision of the wheel box in the crane processing process are very high.
The common processing method of the existing wheel box is that the structural part is subjected to shape correction and scribing after splice welding, and then large-scale equipment is adopted for mechanical processing, and the processing method has the following defects:
1. the wheel box adopts flame or plasma blanking, the precision is poor, the special clamping fixture cannot be adopted for accurate positioning, and large welding deformation easily occurs, so that the structural size and quality of the wheel box are affected;
2. after the wheel box is welded and formed, large-scale equipment is required to be adopted for machining, so that the cost is high;
3. and if the processing period is longer and the production task is larger in batches, the processing procedure becomes a bottleneck procedure for manufacturing products, and the production is severely restricted.
Disclosure of Invention
The invention aims to solve the technical problem of providing a crane wheel box modularized assembly welding tool capable of modularized and accurate assembly welding of wheel boxes.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a hoist locomotive wheel case modularization assembly welding frock, includes mounting platform, is equipped with the main locating plate that is used for supplying the flange board of wheel case to install the location on the mounting platform and is used for supplying the web of wheel case to install the location wheel of location, and the central line collineation setting of main locating plate and location wheel all is equipped with outer rim and interior rim at the both ends of location wheel, and outer rim and interior rim form the annular draw-in groove with the web looks adaptation of wheel case.
The bottom of the flange plate of the wheel box is provided with a first positioning notch, the bottom of the main positioning plate is provided with a second positioning notch matched with the first positioning notch, and the first positioning notch and the second positioning notch are internally provided with matched positioning blocks.
Two fixing plates which are oppositely arranged are arranged on the mounting platform, a positioning clamping groove matched with the positioning block is formed between the two fixing plates, and the positioning block is inserted into the positioning clamping groove.
The main locating plate is provided with a reinforcing rib plate corresponding to the position of the fixing plate, one side edge of the reinforcing rib plate is fixedly connected with the fixing plate, and the other side edge of the reinforcing rib plate is fixedly connected with the main locating plate.
The mounting platform is also provided with a supporting table for supporting the positioning wheels, the supporting table is matched with the annular clamping groove, and the positioning wheels are clamped on the supporting table through the annular clamping groove.
The mounting platform is also provided with a supporting table for supporting the positioning wheels, the top of the supporting table is of a step structure, and the bottoms of the outer rim and the inner rim are of matched step structures.
The bottoms of the outer rim and the inner rim are planes which are matched with the top surfaces of the supporting tables.
The invention further provides a modularized assembly welding method for the wheel box of the crane, which can modularize and accurately assemble and weld the wheel box.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a modular assembly welding method for a crane locomotive wheel box comprises the following steps: a main positioning plate is arranged on the mounting platform, and a flange plate of the wheel box is mounted on the main positioning plate; the method comprises the steps that positioning wheels which are collinear with the central line of a main positioning plate are arranged on an installation platform, annular clamping grooves which are matched with web plates of a wheel box are arranged at two ends of the positioning wheels, and the web plates of the wheel box and a flange plate of the wheel box are assembled and welded by taking the annular clamping grooves as positioning references; then, the web plate and the flange plate of the wheel box are used as references to carry out assembly welding on the top plate and the side plate of the wheel box; and finishing assembly welding, and detaching the assembled and welded wheel box from the main locating plate and the locating wheels.
The invention relates to a modular assembly welding tool and a modular assembly welding method for a crane wheel box, wherein the assembly welding tool comprises a mounting platform, a main positioning plate for mounting and positioning a flange plate of the wheel box and a positioning wheel for mounting and positioning a web plate of the wheel box are arranged on the mounting platform, the central lines of the main positioning plate and the positioning wheel are arranged in a collinear way, an outer rim and an inner rim are arranged at two ends of the positioning wheel, and the outer rim and the inner rim form an annular clamping groove matched with the web plate of the wheel box. During assembly welding, the flange plate of the wheel box is installed and fixed by taking the main locating plate as a locating reference, the web plate of the wheel box is assembled and welded onto the flange plate by taking the annular clamping groove of the locating wheel as a locating reference, and then the top plate and the side plate of the wheel box are assembled and welded by taking the web plate and the flange plate of the wheel box as references, so that modularized assembly welding is completed, mechanical processing is not required after assembly welding, and the assembly welding precision is high by adopting the main locating plate and the locating wheel as locating references.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a modular assembly welding tool for a crane truck wheel box according to the present invention;
FIG. 2 is a diagram illustrating a state of a modular assembly welding tool for a crane truck wheel box according to an embodiment of the present invention;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a right side view of FIG. 3;
fig. 7 is a partial enlarged view at a in fig. 6.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 7, a specific embodiment of the modular assembly welding tool for the wheel box of the crane comprises a mounting platform 1, wherein a main positioning plate 2 for mounting and positioning a flange plate 41 of a wheel box 4 and a positioning wheel 3 for mounting and positioning a web plate 42 of the wheel box 4 are arranged on the mounting platform 1, the central lines of the main positioning plate 2 and the positioning wheel 3 are arranged in a collinear way, an outer rim 31 and an inner rim 32 are arranged at two ends of the positioning wheel 3, and the outer rim 31 and the inner rim 32 form an annular clamping groove matched with the web plate 42 of the wheel box 4.
The bottom of the flange plate 41 of the wheel box 4 is provided with a first positioning notch, the bottom of the main positioning plate 2 is provided with a second positioning notch matched with the first positioning notch, and the first positioning notch and the second positioning notch are internally provided with a matched positioning block 5, so that when the flange plate 41 of the wheel box 4 is mounted on the main positioning plate 2, the positioning block 5 is used as a positioning reference for auxiliary positioning.
The mounting platform 1 is provided with two fixing plates 6 which are oppositely arranged, a positioning clamping groove matched with the positioning block 5 is formed between the two fixing plates 6, the positioning block 5 is inserted into the positioning clamping groove, and the clamping groove can limit and fix the positioning block 5 so as to ensure the precision of the positioning block 5 as a positioning reference.
Be equipped with the deep floor 7 that corresponds with the fixed plate position on the main locating plate 2, deep floor 7 a side and fixed plate 6 fixed connection, another side and main locating plate 2 fixed connection still are connected with crossbeam 8 between two deep floors 7, set up deep floor 7, can guarantee the installation accuracy of main locating plate 2 to flange board 41 of wheel case 4 installs fixedly.
The mounting platform 1 is further provided with a supporting table 9 for supporting the positioning wheels 3, the top of the supporting table 9 is of a step structure, the bottoms of the outer rim 31 and the inner rim 32 are of a matched step structure, so that the positioning wheels 3 are clamped between the two supporting tables 9, the bottoms of the outer rim 31 and the inner rim 32 are planes matched with the top surfaces of the supporting tables 9, and the stability of the positioning wheels 3 clamped between the two supporting tables 9 can be improved.
During assembly welding, the following steps are adopted: the flange plate 41 of the wheel box 4 is arranged on the main positioning plate 2 and the positioning block 5 which are used as positioning references; the web 42 of the wheel box 4 and the flange plate 41 of the wheel box 4 are assembled and welded by taking annular clamping grooves formed by the outer rim 31 and the inner rim 32 at two ends of the positioning wheel 3 as positioning references; then, the top plate 43 and the side plate 44 of the wheel box 4 are assembled and welded by taking the web plate 42 and the flange plate 41 of the wheel box 4 as references; and finishing assembly welding, and detaching the assembled wheel box 4 from the main locating plate 2 and the locating wheels 3.
The second embodiment of the modularized assembly welding tool for the wheel box of the crane truck is different from the first embodiment in that the supporting table 9 is matched with annular clamping grooves formed by the outer rims 31 and the inner rims 32 at two ends of the positioning wheel 3, the positioning wheel 3 is clamped on the supporting table 9 through the annular clamping grooves, and the clamping structure of the supporting table 9 and the positioning wheel 3 is simplified by adopting the structural arrangement, so that the assembly and disassembly are convenient.
The first embodiment of the modularized assembly welding method for the wheel boxes of the crane is consistent with the first embodiment of the modularized assembly welding tool for the wheel boxes of the crane in assembly welding steps, and is not repeated herein.
The last explanation is: the above embodiments are only for illustrating the technical solution of the present invention, but not for limiting, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The modularized assembly welding tool for the wheel boxes of the crane locomotives is characterized by comprising a mounting platform, wherein a main positioning plate for mounting and positioning flange plates of the wheel boxes and positioning wheels for mounting and positioning webs of the wheel boxes are arranged on the mounting platform, central lines of the main positioning plate and the positioning wheels are arranged in a collinear manner, both ends of the positioning wheels are provided with an outer rim and an inner rim, and the outer rim and the inner rim form an annular clamping groove matched with the webs of the wheel boxes; the bottom of the flange plate of the wheel box is provided with a first positioning notch, the bottom of the main positioning plate is provided with a second positioning notch matched with the first positioning notch, and the first positioning notch and the second positioning notch are internally provided with matched positioning blocks.
2. The assembly welding fixture for the wheel box of the crane truck according to claim 1, wherein the mounting platform is provided with two fixing plates which are arranged oppositely, a positioning clamping groove matched with the positioning block is formed between the two fixing plates, and the positioning block is inserted into the positioning clamping groove.
3. The assembly welding fixture for the wheel boxes of the crane locomotives according to claim 2, wherein the main positioning plate is provided with a reinforcing rib plate corresponding to the position of the fixing plate, one side edge of the reinforcing rib plate is fixedly connected with the fixing plate, and the other side edge of the reinforcing rib plate is fixedly connected with the main positioning plate.
4. The assembly welding fixture of claim 1, wherein the mounting platform is further provided with a supporting table for supporting the positioning wheels, the supporting table is matched with the annular clamping groove, and the positioning wheels are clamped on the supporting table through the annular clamping groove.
5. The assembly welding fixture of the crane wheel box modularization of claim 1, wherein the mounting platform is further provided with a supporting table for supporting the positioning wheels, the top of the supporting table is of a step structure, and the bottoms of the outer rim and the inner rim are of matched step structures.
6. The assembly welding fixture of claim 5, wherein the bottoms of the outer rim and the inner rim are planar surfaces adapted to the top surface of the support base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321722.5A CN108436361B (en) | 2018-04-11 | 2018-04-11 | Modularized assembly welding tool and method for wheel boxes of crane locomotives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321722.5A CN108436361B (en) | 2018-04-11 | 2018-04-11 | Modularized assembly welding tool and method for wheel boxes of crane locomotives |
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| Publication Number | Publication Date |
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| CN108436361A CN108436361A (en) | 2018-08-24 |
| CN108436361B true CN108436361B (en) | 2023-10-20 |
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| CN201810321722.5A Active CN108436361B (en) | 2018-04-11 | 2018-04-11 | Modularized assembly welding tool and method for wheel boxes of crane locomotives |
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| CN112548460B (en) * | 2020-12-18 | 2022-04-15 | 遂宁云内动力机械制造有限公司 | Container assembly welding assembly platform and container assembly welding method |
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| CN108436361A (en) | 2018-08-24 |
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