CN107877082B - Special welding device for lifting frame - Google Patents
Special welding device for lifting frame Download PDFInfo
- Publication number
- CN107877082B CN107877082B CN201711421828.4A CN201711421828A CN107877082B CN 107877082 B CN107877082 B CN 107877082B CN 201711421828 A CN201711421828 A CN 201711421828A CN 107877082 B CN107877082 B CN 107877082B
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- China
- Prior art keywords
- bottom plate
- long side
- lifting frame
- inner limiting
- pin
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Classifications
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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
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A special device for welding a lifting frame is characterized in that the edges of two short sides and one long side of a bottom plate are provided with outer limiting blocks. And four corners of the surface of the bottom plate are respectively provided with an inner limiting block, and the inner limiting blocks face the long side of the bottom plate. The distance from the inner limiting block to the edge of the bottom plate is equal to the width of the frame of the lifting frame, and the width of each inner limiting block is equal to the distance between the short frame of the lifting frame and the auxiliary beam. The inner sides of the bottom plate, which are positioned on the four inner limiting blocks, are respectively provided with a positioning column, the middle point connecting line of the long side of the bottom plate is provided with two supporting columns, and the supporting columns and the positioning column surfaces at the two sides of the supporting columns are positioned on the same straight line with the long side surface of the bottom plate. The top of each support column is provided with a pin hole, the connecting line of the center of the two pin holes is positioned right above the connecting line of the midpoint of the long edge of the bottom plate, a pin shaft is matched with the two pin holes, one end of the pin shaft is an end head, and the other end of the pin shaft is a threaded nut. Tripod is arranged below the pin hole and on the side surface of the support column facing the long side of the bottom plate. The invention has simple structure and convenient and quick use, can ensure the welding precision and does not deform during welding.
Description
Technical Field
The invention relates to a special device for welding a lifting frame, which is used for assembling and positioning a supporting frame assembly rod piece before welding and ensuring welding precision.
Background
In the welding manufacture of mechanical equipment, how to ensure the welding precision of structural parts and the coaxiality of two sections of round pipes or three sections of round pipes is a common technical difficulty, especially the welding on the circumferential welding mode of round pipe parts of round pipes is high in welding difficulty, how to effectively reduce welding deformation as much as possible, ensure that the machining precision is convenient for circumferential welding, and is beneficial to improving the welding precision of round pipes and ensuring the machining precision and the dimensional precision of workpieces, so that the quality of welded products is improved.
The hoisting frame is a steel frame structure device, is assembled and welded by the rod pieces with different supporting angles, and is a technical problem to be solved in actual work, and how to ensure that the structural relationship is not deformed in the welding process and the welding quality is ensured.
Disclosure of Invention
The invention aims to provide a special welding device for a lifting frame, which aims at overcoming the defects and shortcomings of the prior art and ensures the welding precision.
In order to achieve the above object, the present invention is achieved by the following technical scheme.
The special welding device for the lifting frame comprises a bottom plate, wherein the bottom plate is rectangular. The edges of the two short sides and one long side of the bottom plate are provided with outer limiting blocks; the four corners of the surface of the bottom plate are respectively provided with an inner limiting block, the four inner limiting blocks face the long side of the bottom plate and are parallel to the long side, the distance from each inner limiting block to the edge of the bottom plate is equal to the width of the frame of the lifting frame, and the width of each inner limiting block is equal to the distance between the short frame of the lifting frame and the auxiliary beam; a positioning column is arranged on the inner sides of the four inner limiting blocks of the bottom plate respectively, two support columns are arranged on the midpoint connecting line of the long side of the bottom plate, and the support columns and the positioning cylindrical surfaces on the two sides of the support columns are positioned on the same straight line with the long side surface of the bottom plate; the top of each support column is provided with a pin hole, the connecting line of the center of the two pin holes is positioned right above the connecting line of the midpoint of the long edge of the bottom plate, a pin shaft is matched with the two pin holes, one end of the pin shaft is an end head, and the other end of the pin shaft is a threaded nut; tripod is arranged below the pin hole and on the side surface of the support column facing the long side of the bottom plate. A plurality of positioning blocks can be additionally arranged at the proper position of the bottom plate for enhancing the positioning effect. The tripod is an isosceles tripod.
Before the lifting frame is welded, each rod piece is positioned according to the limiting position, and the two rotating shaft pipes 12-1 are penetrated and locked through the pin shaft and the nut, so that the welding dimensional accuracy of the lifting frame structural part and the welding coaxiality of the two sections of rotating shaft pipes on the lifting frame are ensured. And then welding.
The invention has simple structure, convenient and quick use, and can ensure the welding precision without deformation. Can be recycled for a long time, improves the production efficiency and reduces the production cost.
Drawings
Fig. 1 is a schematic perspective view of a special welding device for a lifting frame.
Fig. 2 is a schematic perspective view of a welded and formed lifting frame.
Fig. 3 is a schematic perspective view of the positioning of a lifting frame on the present invention.
Fig. 4 is a schematic perspective view of the positioning of the lifting frame on the present invention (180 ° turned from fig. 3).
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Examples: as shown in fig. 1, the special welding device for the lifting frame comprises a bottom plate 1, wherein the bottom plate is rectangular. The edges of two short sides and one long side of the bottom plate are provided with outer limiting blocks 2, and the outer limiting blocks are square tubes. An inner limiting block 3 is respectively arranged at four corners of the surface of the bottom plate, the inner limiting blocks 3 are cuboid thin blocks, the four inner limiting blocks face the long side of the bottom plate and are parallel to the long side, and the distance s from each inner limiting block to the edge of the bottom plate is equal to the width of the frame of the lifting frame 12. The width w of each inner limiting block is equal to the distance between the short frame of the lifting frame and the auxiliary beam 12-4. The inner sides of the bottom plate, which are positioned on the four inner limiting blocks 3, are respectively provided with a positioning column 7, the middle point connecting line of the long side of the bottom plate is provided with two support columns 4, and the support columns 4 and the surfaces of the positioning columns 7 on the two sides of the support columns facing the long side of the bottom plate are positioned on the same straight line. The top of each support column is provided with a pin hole, the connecting line of the center of the two pin holes is positioned right above the connecting line of the midpoint of the long edge of the bottom plate, a pin shaft 10 is matched with the two pin holes, one end of the pin shaft is an end head, and the other end is a threaded nut. Tripod 8 is arranged below the pin hole and on the side surface of the support column facing the long side of the bottom plate. The tripod 8 is an isosceles tripod. A plurality of positioning blocks can be additionally arranged at the proper position of the bottom plate for enhancing the positioning effect.
Two reinforcing rib plates 5 are symmetrically welded on two sides of the support column 4 respectively. The two support columns 4 are fixedly welded together by a connecting pipe 6. The pin shaft 10 and the nut 11 penetrate and lock the two rotary shaft tubes 12-1 on the lifting frame 12, so that when the lifting frame 12 is welded, the welding precision requirement of the position size of the periphery of the bottom frame of the lifting frame 12 can be ensured, and the welding coaxiality of the two rotary shaft tubes 12-1 on the lifting frame 12 can be ensured.
Claims (2)
1. The special welding device for the lifting frame comprises a bottom plate, wherein the bottom plate is rectangular; the method is characterized in that: the edges of the two short sides and one long side of the bottom plate are provided with outer limiting blocks; the four corners of the surface of the bottom plate are respectively provided with an inner limiting block, the four inner limiting blocks face the long side of the bottom plate and are parallel to the long side, the distance from each inner limiting block to the edge of the bottom plate is equal to the width of the frame of the lifting frame, and the width of each inner limiting block is equal to the distance between the short frame of the lifting frame and the auxiliary beam; a positioning column is arranged on the inner sides of the four inner limiting blocks of the bottom plate respectively, two support columns are arranged on the midpoint connecting line of the long side of the bottom plate, and the support columns and the positioning cylindrical surfaces on the two sides of the support columns are positioned on the same straight line with the long side surface of the bottom plate; the top of each support column is provided with a pin hole, the connecting line of the center of the two pin holes is positioned right above the connecting line of the midpoint of the long edge of the bottom plate, a pin shaft is matched with the two pin holes, one end of the pin shaft is an end head, and the other end of the pin shaft is a threaded nut; tripod is arranged below the pin hole and on the side surface of the support column facing the long side of the bottom plate.
2. The special welding device for lifting frames according to claim 1, wherein the special welding device is characterized in that: the tripod is an isosceles tripod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711421828.4A CN107877082B (en) | 2017-12-25 | 2017-12-25 | Special welding device for lifting frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711421828.4A CN107877082B (en) | 2017-12-25 | 2017-12-25 | Special welding device for lifting frame |
Publications (2)
Publication Number | Publication Date |
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CN107877082A CN107877082A (en) | 2018-04-06 |
CN107877082B true CN107877082B (en) | 2023-09-01 |
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Application Number | Title | Priority Date | Filing Date |
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CN201711421828.4A Active CN107877082B (en) | 2017-12-25 | 2017-12-25 | Special welding device for lifting frame |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201685061U (en) * | 2010-05-25 | 2010-12-29 | 中外合资沃得重工(中国)有限公司 | Excavator bucket stick tailored-welding tooling |
CN102840221A (en) * | 2012-09-05 | 2012-12-26 | 三一矿机有限公司 | Method for welding combined shaft with carriage bottom plate hinged support |
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CN103252610A (en) * | 2013-05-24 | 2013-08-21 | 安徽中鼎飞彩车辆有限公司 | Small and medium size wheel loader front frame integrated mold welding mechanism |
CN203401258U (en) * | 2013-07-31 | 2014-01-22 | 山西美佳矿业装备有限公司 | Common platform combined type assembling and welding jig of main shovel blade of heading machine |
CN103753093A (en) * | 2014-01-27 | 2014-04-30 | 福建优胜达电梯有限公司 | Elevator transmission frame welding and positioning device and welding method thereof |
CN203696295U (en) * | 2013-12-18 | 2014-07-09 | 中联重科股份有限公司 | Welding and positioning device for oil cylinder supporting seats |
CN106002033A (en) * | 2016-05-30 | 2016-10-12 | 安徽昌永得机械有限公司 | Overlap welding tool suitable for middle car body assembly of front frame of hoisting running wheel type crane |
CN106112344A (en) * | 2016-07-26 | 2016-11-16 | 中国重汽集团柳州运力专用汽车有限公司 | The welding method of slide plate chair assembly |
CN206343811U (en) * | 2016-12-09 | 2017-07-21 | 龙工(上海)路面机械制造有限公司 | A kind of swing arm welding positioner |
CN207668796U (en) * | 2017-12-25 | 2018-07-31 | 英达热再生有限公司 | A kind of hoisting frame welding dedicated unit |
-
2017
- 2017-12-25 CN CN201711421828.4A patent/CN107877082B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201685061U (en) * | 2010-05-25 | 2010-12-29 | 中外合资沃得重工(中国)有限公司 | Excavator bucket stick tailored-welding tooling |
CN102840221A (en) * | 2012-09-05 | 2012-12-26 | 三一矿机有限公司 | Method for welding combined shaft with carriage bottom plate hinged support |
CN103157945A (en) * | 2013-03-25 | 2013-06-19 | 华菱星马汽车(集团)股份有限公司 | Concrete pump truck cantilever crane installing and welding location device |
CN103252610A (en) * | 2013-05-24 | 2013-08-21 | 安徽中鼎飞彩车辆有限公司 | Small and medium size wheel loader front frame integrated mold welding mechanism |
CN203401258U (en) * | 2013-07-31 | 2014-01-22 | 山西美佳矿业装备有限公司 | Common platform combined type assembling and welding jig of main shovel blade of heading machine |
CN203696295U (en) * | 2013-12-18 | 2014-07-09 | 中联重科股份有限公司 | Welding and positioning device for oil cylinder supporting seats |
CN103753093A (en) * | 2014-01-27 | 2014-04-30 | 福建优胜达电梯有限公司 | Elevator transmission frame welding and positioning device and welding method thereof |
CN106002033A (en) * | 2016-05-30 | 2016-10-12 | 安徽昌永得机械有限公司 | Overlap welding tool suitable for middle car body assembly of front frame of hoisting running wheel type crane |
CN106112344A (en) * | 2016-07-26 | 2016-11-16 | 中国重汽集团柳州运力专用汽车有限公司 | The welding method of slide plate chair assembly |
CN206343811U (en) * | 2016-12-09 | 2017-07-21 | 龙工(上海)路面机械制造有限公司 | A kind of swing arm welding positioner |
CN207668796U (en) * | 2017-12-25 | 2018-07-31 | 英达热再生有限公司 | A kind of hoisting frame welding dedicated unit |
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CN107877082A (en) | 2018-04-06 |
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