CN104972252A - Assembly welding tool for tower crane main beams - Google Patents
Assembly welding tool for tower crane main beams Download PDFInfo
- Publication number
- CN104972252A CN104972252A CN201510380268.7A CN201510380268A CN104972252A CN 104972252 A CN104972252 A CN 104972252A CN 201510380268 A CN201510380268 A CN 201510380268A CN 104972252 A CN104972252 A CN 104972252A
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- CN
- China
- Prior art keywords
- assembly welding
- welding frock
- welding tool
- locking
- girder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/28—Beams
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention belongs to the field of tower cranes and particularly discloses an assembly welding tool for tower crane main beams. The assembly welding tool for the tower crane main beams comprises an assembly welding tool body, transverse locking devices, longitudinal locking devices, guide wheel ear plate bases and end ear bases, wherein the assembly welding tool body is a rectangular frame, supporting rods are arranged in the length direction of the assembly welding tool body at intervals, the top face of the assembly welding tool body is provided with supporting plates used for containing the main beams, and the bottom face of the assembly welding tool body is provided with a base; each transverse locking device comprises a baffle block, a locking bolt hole and a locking bolt matched with the locking bolt hole, the baffle block is fixed onto the supporting plate, the locking bolt hole is formed in the assembly welding tool body, and the position of the locking bolt hole corresponds to the baffle block; each longitudinal locking device comprises a locking rod and a pin, locking holes are formed in the two end faces of the locking rod, and the pin is capable of penetrating through a positioning hole and the pin holes formed in the main beam. In the whole welding process, all components can not shift, the precision of welded workpieces can be guaranteed, and the quality of the workpieces is high.
Description
Technical field
This patent belongs to derrick crane field, particularly relates to a kind of assembly welding frock for derrick crane girder.
Background technology
Girder is one of important structural member of derrick crane, the characteristic that its physical dimension is large, make its inevitable exist yielding, be difficult to the problem that controls and welding difficulty is large, especially the end otic placode on girder, the position accuracy demand of guide wheel otic placode are high especially, once its positional precision controls bad, will install to derrick crane and bring great difficulty, even cause installing.At present, common derrick crane Main Girder Welding technological process is: after means of spot welds spelled by girder, assemble with standard knot, then weldering guide wheel otic placode is joined, finally join welding end portion otic placode, the welding position in this technological process rule of thumb controls by workman entirely, very easily occurs the situation of component deflection in welding process, finally cause precision to can not get ensureing, product quality is low.
Summary of the invention
The invention provides a kind of assembly welding frock for derrick crane girder, to solve the low problem of Main Girder Welding precision.
In order to solve the problems of the technologies described above, the invention provides a kind of assembly welding frock for derrick crane girder, wherein, comprising:
Assembly welding frock body, assembly welding frock body is rectangular frame, is interval with support bar along its length in described framework, and the end face of assembly welding frock body is provided with the supporting plate for placing girder, and the bottom surface of assembly welding frock body is provided with base;
Horizontal locking device, horizontal locking device comprises block, locking screw keyhole and the clamping screw with locking screw keyhole threaded engagement, and block is fixed on supporting plate, and locking screw keyhole is arranged on assembly welding frock body, and the position of locking screw keyhole is relative with block;
Longitudinal locking device, longitudinal locking device comprises check lock lever and pin, and two end faces of check lock lever are provided with pin hole, and pin can through the pin hole of the locating hole on girder and check lock lever end face;
Guide wheel ear plate base, guide wheel ear plate base comprises pressing plate and is fixed on the bolt at two ends of supporting plate, and pressing plate is provided with the through hole that diameter is greater than bolt external diameter;
End ear seat, end ear seat is fixed on the two ends of assembly welding frock body, the ear seat bolt that end ear seat is provided with ear bore and matches with ear bore.
Principle of the present invention and beneficial effect are:
Girder is fixed on the supporting plate of assembly welding frock body, utilizes horizontal locking device and longitudinal locking device to be fixed, then guide wheel otic placode and end otic placode are arranged on guide wheel ear plate base and end ear seat respectively, can welding operation be carried out.Whole welding process, because girder, guide wheel otic placode and end otic placode are all fixed, each parts all there will not be skew, and the precision of the workpiece welded out can be guaranteed, and the quality of workpiece is high.
Assembly welding frock body is rectangular frame, then can arrange two supporting plates simultaneously, and process two girders, efficiency is high simultaneously; Meanwhile, between two girders, also has follow-up welding sequence, the welding operation after convenient; The length direction of assembly welding frock body is interval with support bar, adds the bulk strength of assembly welding frock body.The clamping screw that horizontal locking device comprises block, locking screw keyhole and matches with locking screw keyhole, block is fixed on supporting plate, and locking screw keyhole is arranged on assembly welding frock body, and the position of locking screw keyhole is corresponding with block; Girder is placed on supporting plate, make it to be positioned between block and locking screw keyhole, clamping screw is inserted in locking screw keyhole, tighten clamping screw, by girder laterally locking, if desired, directly can put into pad at clamping screw and girder, avoid the contact of clamping screw and girder, prevent clamping screw from scratching girder.
Longitudinal locking device comprises check lock lever and pin, and two end faces of check lock lever are provided with pin hole, and pin, through the dowel hole and pin nail on girder, can make girder longitudinally fixing.Guide wheel ear plate base comprises pressing plate and is fixed on the bolt at two ends of supporting plate, and pressing plate is provided with the through hole that diameter is greater than bolt external diameter; Guide wheel ear plate base comprises pressing plate and is fixed on the bolt at two ends of supporting plate, and pressing plate is provided with the through hole that diameter is greater than bolt external diameter; By two block pressur plates through bolt, and with nut by pressing plate pretension, one end of guide wheel otic placode is put between two pressing plates, tightening nuts, guide wheel otic placode can be fixed.End ear seat is fixed on the two ends of assembly welding frock body, end ear seat be provided with ear bore and with the ear seat bolt that ear bore matches, the Kong Yuer bore of end otic placode is alignd, inserts ear seat bolt, lock nut, namely complete the fixing of end otic placode.
Further, clamping screw is provided with handle.Preset a handle then without the need to separately looking for instrument to carry out opening and tightening clamping screw, easy to operate.
Further, also comprise baffle plate, supporting plate is provided with multiple screwed hole, and baffle plate is fixed on supporting plate by bolt is dismountable.Baffle plate can be increased, to guarantee that the lateral attitude of girder is fixed according to the drift condition of girder.
Further, baffle plate is arranged on the one end near end ear seat, and owing to needing many welding ends otic placode near one end of end ear seat, stressed meeting is comparatively large, easily offsets, and baffle plate is arranged on the one end near end ear seat, effectively can reduce girder skew.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of the present invention for the embodiment of the assembly welding frock of derrick crane girder;
Fig. 2 is the structural representation of the present invention for the embodiment of the assembly welding frock of derrick crane girder.
Detailed description of the invention
Reference numeral during accompanying drawing illustrates is: assembly welding frock body 1, support bar 2, supporting plate 3, base 4, horizontal locking device 5, longitudinal locking device 6, guide wheel ear plate base 7, end ear seat 8, handle 9, baffle plate 10.
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of assembly welding frock for derrick crane girder, comprise assembly welding frock body 1, horizontal locking device 5, longitudinal locking device 6, guide wheel ear plate base 7 and end ear seat 8, assembly welding frock body 1 forms for rectangular frame welding, assembly welding frock body 1 is along being interval with 5 support bars 2, the end face of assembly welding frock body 1 is provided with the supporting plate 3 for placing girder, and the bottom surface of assembly welding frock body 1 is provided with base 4.
Assembly welding frock body 1 is provided with horizontal locking device 5, the clamping screw that horizontal locking device 5 comprises block, locking screw keyhole and matches with locking screw keyhole, block is fixed on supporting plate 3, locking screw keyhole is arranged on assembly welding frock body 1, the position of locking screw keyhole is corresponding with block, and clamping screw is provided with handle 9; The quantity of horizontal locking device 5 is four.Longitudinal locking device 6 on assembly welding frock body 1, longitudinal locking device 6 comprises check lock lever and pin, and two end faces of check lock lever are provided with pin hole, and pin can through the dowel hole and pin nail on girder, and the quantity of longitudinal locking device 6 is 2.Assembly welding frock body 1 is provided with guide wheel ear plate base 7, and guide wheel ear plate base 7 comprises pressing plate and is fixed on the bolt at two ends of supporting plate, and pressing plate is provided with the through hole that diameter is greater than bolt external diameter.Assembly welding frock body 1 is provided with end ear seat 8, and end ear seat 8 is fixed on the two ends of assembly welding frock body 1, the ear seat bolt that end ear seat is provided with ear bore and matches with ear bore.In addition, assembly welding frock body 1 is also provided with baffle plate 10, and supporting plate 3 is provided with multiple screwed hole, and baffle plate 10 is fixed on supporting plate 3 by bolt is dismountable, and baffle plate 10 is arranged on the right-hand member near end ear seat 8.
During specific works, the first step, is arranged on baffle plate 10 on supporting plate 3, tightens screw, guarantees that baffle plate is stablized; Two girders are placed on supporting plate 3, make girder between clamping screw and block, now, between clamping screw and girder, put into pad, turning handle 9 by second step respectively, and locking girder, prevents girder lateral shift; 3rd step, holds up the check lock lever in longitudinal locking device 6, and the pin hole at check lock lever two ends is alignd with the locating hole on girder, now, inserts pin, and girder is longitudinally fixing; 4th step, is fixed on guide wheel otic placode on guide wheel ear plate base 7, by bolt through two block pressur plates, and with nut by pressing plate pretension, is put into one end of guide wheel otic placode between two pressing plates, tightening nuts, guide wheel otic placode can be fixed; 5th step, is fixed on end otic placode on end ear seat 8, the Kong Yuer bore of end otic placode is alignd, and inserts ear seat bolt, lock nut, namely completes the fixing of end otic placode; 6th step, confirms that girder, guide wheel otic placode and end otic placode are all fixed stably and works as, then carry out welding operation.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (4)
1., for an assembly welding frock for derrick crane girder, it is characterized in that, comprising:
Assembly welding frock body, assembly welding frock body is rectangular frame, is interval with support bar along its length in described framework, and the end face of assembly welding frock body is provided with the supporting plate for placing girder, and the bottom surface of assembly welding frock body is provided with base;
Horizontal locking device, horizontal locking device comprises block, locking screw keyhole and the clamping screw with locking screw keyhole threaded engagement, and block is fixed on supporting plate, and locking screw keyhole is arranged on assembly welding frock body, and the position of locking screw keyhole is relative with block;
Longitudinal locking device, longitudinal locking device comprises check lock lever and pin, and two end faces of check lock lever are provided with pin hole, and pin can through the pin hole of the locating hole on girder and check lock lever end face;
Guide wheel ear plate base, guide wheel ear plate base comprises pressing plate and is fixed on the bolt at two ends of supporting plate, and pressing plate is provided with the through hole that diameter is greater than bolt external diameter;
End ear seat, end ear seat is fixed on the two ends of assembly welding frock body, the ear seat bolt that end ear seat is provided with ear bore and matches with ear bore.
2., as claimed in claim 1 for the assembly welding frock of derrick crane girder, it is characterized in that, clamping screw is provided with handle.
3., as claimed in claim 1 for the assembly welding frock of derrick crane girder, it is characterized in that, also comprise baffle plate, supporting plate is provided with multiple screwed hole, and baffle plate is fixed on supporting plate by bolt is dismountable.
4. as claimed in claim 3 for the assembly welding frock of derrick crane girder, it is characterized in that, baffle plate is arranged on the one end near end ear seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380268.7A CN104972252A (en) | 2015-07-02 | 2015-07-02 | Assembly welding tool for tower crane main beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380268.7A CN104972252A (en) | 2015-07-02 | 2015-07-02 | Assembly welding tool for tower crane main beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104972252A true CN104972252A (en) | 2015-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510380268.7A Pending CN104972252A (en) | 2015-07-02 | 2015-07-02 | Assembly welding tool for tower crane main beams |
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| Country | Link |
|---|---|
| CN (1) | CN104972252A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185706A (en) * | 2016-08-26 | 2016-12-07 | 宁夏共享机床辅机有限公司 | A kind of elevator sliding block structure and application |
| CN107009073A (en) * | 2017-05-18 | 2017-08-04 | 成都大运汽车集团有限公司 | A kind of column fast-positioning device and method |
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| CN201596878U (en) * | 2009-11-26 | 2010-10-06 | 自贡天成工程机械有限公司 | Assembling and welding tooling of tower crane transition segment single strings |
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| CN103418973A (en) * | 2013-08-26 | 2013-12-04 | 徐州建机工程机械有限公司 | Welding fixture for climbing frame of tower crane |
| DE202013011689U1 (en) * | 2013-10-16 | 2014-04-03 | Bombardier Transportation Gmbh | Support structure for welding a chassis frame beam of a rail vehicle |
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| CN204183158U (en) * | 2014-10-30 | 2015-03-04 | 郑州市长城机器制造有限公司 | A kind of truss joint beam welding positioner |
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2015
- 2015-07-02 CN CN201510380268.7A patent/CN104972252A/en active Pending
Patent Citations (8)
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| DE202013011689U1 (en) * | 2013-10-16 | 2014-04-03 | Bombardier Transportation Gmbh | Support structure for welding a chassis frame beam of a rail vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185706A (en) * | 2016-08-26 | 2016-12-07 | 宁夏共享机床辅机有限公司 | A kind of elevator sliding block structure and application |
| CN107009073A (en) * | 2017-05-18 | 2017-08-04 | 成都大运汽车集团有限公司 | A kind of column fast-positioning device and method |
| CN107009073B (en) * | 2017-05-18 | 2019-01-15 | 成都大运汽车集团有限公司 | A kind of column fast-positioning device and method |
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Application publication date: 20151014 |
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| WD01 | Invention patent application deemed withdrawn after publication |