CN111673344A - Turnover device for welding standard section of tower crane - Google Patents
Turnover device for welding standard section of tower crane Download PDFInfo
- Publication number
- CN111673344A CN111673344A CN202010425786.7A CN202010425786A CN111673344A CN 111673344 A CN111673344 A CN 111673344A CN 202010425786 A CN202010425786 A CN 202010425786A CN 111673344 A CN111673344 A CN 111673344A
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- welding
- supporting
- clamping
- limiting
- tower crane
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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
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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
The invention discloses a turnover device for welding a tower crane standard knot, which comprises a supporting seat, a supporting frame and a clamping device, wherein the supporting seat is arranged on the supporting frame; the pair of supporting frames are arranged in bilateral symmetry and connected through a plurality of connecting rods, and each supporting frame is rotatably arranged on the supporting seat through a supporting shaft; the clamping devices are four groups, are uniformly distributed on the four corners of the same square and are positioned at the inner sides of the connecting rods, and each group of clamping devices comprises a clamping component which is arranged on the left supporting frame and is adjusted left and right and a positioning component which is arranged on the right supporting frame; the positioning component and the clamping component are at the same height and comprise first positioning shafts which are matched with the mounting holes in the standard knot and are arranged towards the inner side. This turning device is used in welding of tower crane standard festival, simple structure not only realizes tightening and the upset of standard festival, effectively welds and avoids the welding to take place to warp, and is more high-efficient to different positions.
Description
Technical Field
The invention relates to the field of welding, in particular to a turnover device for welding a standard section of a tower crane.
Background
The standard knot is an important component of the tower crane and mainly forms a square frame structure through a main chord member, a square tube, an inclined web member and a brace rod; fig. 1 is a schematic structural view of a main chord 11, and for convenience in installation and use, a mounting hole 12 is formed at the end of the conventional main chord 11;
in the welding process of the standard knot, in order to prevent the welding high temperature from deforming and affecting the processing precision of the standard knot, a welding auxiliary device is often needed, the traditional auxiliary device mainly fixes the standard knot through a clamping device, and each welding point needs to be welded manually from different angles, so that the position of the welding point is easy to be inaccurate; in addition, the existing auxiliary device cannot be adjusted, the use function is single, a special device is needed to be matched with the standard knot with the corresponding size, and resource waste is caused.
Disclosure of Invention
The invention provides a turnover device for welding a standard knot of a tower crane, which is simple in structure, capable of realizing the tightening and turnover of the standard knot, effectively welding different positions of the standard knot, avoiding deformation of welding and being more efficient.
In order to achieve the purpose, the turnover device for welding the standard knot of the tower crane comprises a supporting seat, a supporting frame and a clamping device;
the supporting frames are in a pair, the supporting frames are arranged in a bilateral symmetry mode and connected through a plurality of connecting rods, and each supporting frame is rotatably installed on the supporting seat through a supporting shaft;
the clamping devices are four groups, are uniformly distributed on four corners of the same square and are positioned at the inner sides of the connecting rods, and each group of clamping devices comprises a clamping assembly which is arranged on the left supporting frame and is adjusted left and right and a positioning assembly which is arranged on the right supporting frame;
the positioning assembly and the clamping assembly are located at the same height and comprise first positioning shafts which are matched with the mounting holes in the standard knot and are arranged towards the inner side.
Furthermore, the support frame comprises a first support plate and a second support plate, the first support plate is of a square frame structure, and the second support plate is of an X-shaped structure and is connected to four corners of the first support plate;
the four clamping components are correspondingly arranged on the X-shaped frame of the second supporting plate.
Furthermore, the clamping assembly comprises an adjusting rod, a limiting shaft and a fixing plate, the middle part of the limiting shaft penetrates through the supporting frame from left to right and is matched with the mounting holes in the standard knot, and the fixing plates are a pair and are respectively fixed at the left part and the right part of the limiting shaft;
one end of the adjusting rod is installed on the supporting frame in a threaded mode, and the middle of the adjusting rod is installed on the fixing plate on the outer side in a rotating mode.
Furthermore, each connecting rod is of a left-right telescopic structure, one of the supporting seats is arranged on the sliding rail in a left-right sliding mode, and the supporting seats are fixed in a limiting mode through the locking assemblies.
Furthermore, every group clamping unit includes check lock lever, clamp plate and stopper, the stopper slides and sets up in the second backup pad to it is spacing fixed through spacing subassembly, check lock lever middle part and stopper threaded connection, inward one end are equipped with the clamp plate, are equipped with on the clamp plate with the standard festival mounting hole assorted second location axle.
Furthermore, a strip-shaped groove is correspondingly arranged on the X-shaped frame of the second supporting plate, a plurality of limiting holes arranged along the length direction of the strip-shaped groove are arranged on one side of the strip-shaped groove, and the middle part of the limiting block is arranged in the strip-shaped groove in a sliding manner;
the limiting assembly comprises a limiting rod which penetrates through the limiting hole to fix the limiting block.
Furthermore, one of the support shafts is connected with a driving assembly, the driving assembly is a rotating handle or a motor controlled by a controller, the other support shaft is provided with a brake assembly which is opened and closed, and the brake assembly is a magnetic powder brake connected with the controller.
Compared with the prior art, the turnover device for welding the standard knot of the tower crane is provided with the clamping device, the main chord rod is clamped and fixed through the clamping device, the standard knot is welded, welding deformation is prevented, the supporting frame is rotatably arranged on the supporting seat, and after one side of the supporting frame is welded, the welding position is adjusted to a proper position through rotating the supporting frame, so that welding is facilitated; because each connecting rod is of a left-right telescopic structure and one supporting seat is arranged in a sliding manner, the distance between a pair of supporting frames is adjusted through the telescopic action of the connecting rods, the fine adjustment of the clamping assembly is realized, the standard section size processing with different lengths is met, and the deformation is prevented; in addition, the limiting blocks in each group of clamping assemblies are arranged on the second supporting plate in a sliding mode, different positioning holes are formed in the X-shaped structure of the supporting frame for positioning, and different standard sizes of the standard sections are met, so that the standard sections with different sizes are clamped and fixed, different welding processing requirements are met, the situation that a plurality of welding turnover devices are adopted to process the standard sections with different sizes is avoided, and the efficiency is higher; this turning device is used in welding of tower crane standard festival, simple structure realizes fastening and the upset of standard festival, effectively welds and avoids the welding to take place to warp, and is more high-efficient to different positions.
Drawings
FIG. 1 is a schematic view of a main chord of a standard knot of the present invention;
FIG. 2 is an overall front view of the present invention;
FIG. 3 is a schematic view of a connecting rod and a pair of support frames of the present invention;
FIG. 4 is a schematic view of a support frame of the present invention;
FIG. 5 is a schematic view of one form of the clamping assembly of the present invention;
FIG. 6 is a schematic view of another version of the clamping assembly of the present invention;
FIG. 7 is a schematic view of a stop block of the present invention;
in the figure: 11. the support comprises a standard knot, 12, a mounting hole, 2, a support seat, 21, a slide rail, 3, a clamping assembly, 31, an adjusting rod, 32, a fixing plate, 33, a limiting shaft, 4, a support frame, 41, a first support plate, 42, a second support plate, 43, a strip-shaped groove, 44, a limiting block, 45, a limiting hole, 46, a locking rod, 47, a limiting rod, 48, a clamping plate, 5, a connecting rod, 6 and a support shaft.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 2 and 3, the turnover device for welding the standard knot of the tower crane comprises a supporting seat 2, a supporting frame 4 and a clamping device;
the pair of support frames 4 are arranged in a bilateral symmetry mode, the support frames 4 are connected through a plurality of connecting rods 5, and each support frame 4 is rotatably installed on the support seat 2 through a support shaft 6;
the four groups of clamping devices are uniformly distributed on the four corners of the same square and are positioned at the inner sides of the connecting rods 5, each group of clamping devices comprises a left-right adjusting clamping component 3 arranged on the left supporting frame 4 and a positioning component arranged on the right supporting frame 4,
the positioning component and the clamping component 3 are positioned at the same height and comprise first positioning shafts which are matched with the mounting holes 12 on the standard knots and are arranged towards the inner side;
as shown in fig. 4, further, the support frame 4 includes a first support plate 41 and a second support plate 42, the first support plate 41 is in a square frame structure, and the second support plate 42 is in an X-shaped structure and is connected to four corners of the first support plate 41;
the four clamping assemblies 3 are correspondingly arranged on the X-shaped frame of the second supporting plate 42;
as shown in fig. 5, as a first technical solution, further, the clamping assembly 3 is located on the second supporting plate 42, and includes an adjusting rod 31, a limiting shaft 33 and a fixing plate 32, the middle portion of the limiting shaft 33 penetrates the supporting frame 4 from left to right and matches with the mounting hole 12 on the standard knot, the fixing plate 32 is a pair and is fixed at the left portion and the right portion of the limiting shaft 33 respectively;
one end of the adjusting rod 31 is installed on the supporting frame 4 through screw threads, and the middle part of the adjusting rod is rotatably installed on the fixing plate 32 on the outer side;
when the standard knot is clamped and fastened, the adjusting rod 31 is rotated, the adjusting rod 31 drives the fixing plate 32 to move left and right, so that the limiting shaft 33 on the fixing plate 32 moves, is inserted into the mounting hole 12 on the standard knot and integrally fixes the standard knot with the first positioning shaft on the positioning assembly, and welding of the standard knot is facilitated; preferably, the limiting shafts 33 are a pair and symmetrically arranged on two sides of the adjusting rod 31, and the standard knot is supported by the limiting shafts 33, so that the adjusting rod 31 is prevented from bearing excessively, the threaded connection between the adjusting rod 31 and the supporting frame 4 is effectively protected, and the thread damage caused by long-time use is avoided;
as shown in fig. 3, 6 and 7, further, each connecting rod 5 is a left-right telescopic structure, wherein one supporting seat 2 is arranged on the sliding rail 21 in a left-right sliding manner and is limited and fixed by a locking assembly; the preferable number of the connecting rods 5 is four, and the four connecting rods are uniformly distributed on the four corners of the same square.
The common standard knot sizes have the conditions of same cross section and different heights, such as 1.5 multiplied by 2.2 meters and 1.5 multiplied by 2.5 meters, and the clamping component 3 is too long to extend and easily cause deflection deformation for a long time, so that the welding quality is influenced, the distance between a pair of supporting frames 4 can be adjusted by moving the supporting seat 2 and stretching and retracting the connecting rod 5, the fine adjustment of the clamping component 3 is realized, the size processing of the standard knots with different lengths is met, and the deformation is prevented;
as a first technical scheme, further, each group of clamping assemblies 3 comprises a locking rod 46, a clamping plate 48 and a limiting block 44, the limiting block 44 is slidably arranged on the second support plate 42 and is limited and fixed by the limiting block 44, the middle part of the locking rod 46 is in threaded connection with the limiting block 44, the inward end of the locking rod is provided with the clamping plate 48, and the clamping plate 48 is provided with a second positioning shaft matched with the mounting hole 12 on the standard knot;
the common standard knot size has 1.5 is multiplied by 2.2 meters, 1.6 is multiplied by 2.5 meters, and the like, in order to avoid the welding turnover device with single size, the clamping component 3 is arranged on the supporting frame 4 in a sliding way, namely, different positioning holes are arranged on the X-shaped structure of the supporting frame 4, and the different standard sizes of the standard knot are met, when the standard knots with different sizes are welded, the clamping plate 48 is slid to the corresponding positioning hole, the clamping plate 48 is fixed through the limiting component, and then the locking rod 46 is rotated to position the second positioning shaft at one end of the locking rod with the mounting hole 12 on the standard knot;
the four clamping components 3 move mutually to meet the requirement that the four clamping components are in the same square structure, the corresponding positioning components are also movably arranged on the supporting frame 4 on the right side, and the positioning components and the clamping components 3 can be in the same structure, so that the clamping and fixing of standard knots with different sizes are realized, different welding processing requirements are met, the processing of the standard knots with different sizes corresponding to a plurality of welding turnover devices is avoided, and the efficiency is higher;
further, a strip-shaped groove 43 is correspondingly arranged on the X-shaped frame of the second supporting plate 42, and a plurality of limiting holes 45 arranged along the length direction of the strip-shaped groove 43 are arranged on one side of the strip-shaped groove 43; the middle part of the limiting block 44 is arranged in the strip-shaped groove 43 in a sliding manner;
the limiting component comprises a limiting rod 47 which passes through the limiting hole 45 to position and fix the limiting block 44;
the middle part of the limiting block 44 is arranged in the strip-shaped groove 43 in a sliding manner, and the limiting rod 47 is inserted into the limiting hole 45 to fix the limiting groove, so that the clamping component 3 can be adjusted at different positions, and welding of standard sections with different sizes is met;
furthermore, one of the support shafts 6 is connected with a driving assembly, the driving assembly is a rotating handle or a motor controlled by a controller, the other support shaft 6 is provided with a brake assembly which is opened and closed, and the brake assembly is a magnetic powder brake connected with the controller.
When the integrated device needs to rotate, the supporting shaft 6 and the supporting frame 4 are driven to rotate by the control motor of the rotating handle or the controller, different position standard sections are welded through integral overturning, the controller can be set to be in remote operation, manual field control is facilitated, when the supporting frame stops correspondingly as needed, the overturning of the overturning device stops rapidly for guaranteeing, the magnetic powder brake is started, rapid braking is achieved, and the supporting frame is more reliable.
When the turnover device for welding the standard knot of the tower crane is used, the device is turned to a position convenient for installation, for example, a clamping device is positioned at the lowest layer, or a main chord 11 is placed between support frames 4 through hoisting, then an installation hole 12 at one end of the main chord 11 is inserted into a first positioning shaft of a positioning assembly, then the clamping assembly 3 is moved, for example, an adjusting rod 31 is rotated, the adjusting rod 31 drives a fixing plate 32 to move rightwards, so that a limiting shaft 33 on the fixing plate 32 moves and is inserted into the installation hole 12 on the standard knot, and the main chord 11 is fixed between a pair of support frames 4;
then the turning device is rotated to a proper position, or other three main chords 11 are directly fixed on corresponding clamping devices to meet the requirements of square standards, the whole is rotated, the pair of supporting frames 4 are rotated through the supporting shaft 6, so that the planes of the adjacent main chords 11 are in proper welding positions, the middle parts of the adjacent main chords 11 are connected through square pipes, the square pipes are connected with one ends of the main chords 11 through oblique web members, and the main chords are spliced and welded; after one surface is finished, the turning device enables the plane of the adjacent main chord 11 to be in a proper welding position, and then the square tube and the diagonal web members are welded to directly finish four surfaces;
finally, welding the side surfaces where the ends of the four main chords 11 are located through the support rods, so that the whole standard knot is welded and assembled, and after welding is completed, reversely adjusting the clamping assembly 3 to take out the standard knot; this device passes through clamping device and realizes fixing the location of main chord 11 to realize the adjustment to the welding position through the upset, not only avoid welding high temperature to warp and cause the precision not high, avoid artifical fixed moreover, efficiency is higher.
Claims (7)
1. A turnover device for welding a tower crane standard knot comprises a supporting seat (2), a supporting frame (4) and a clamping device; it is characterized in that the preparation method is characterized in that,
the pair of supporting frames (4) are arranged in a bilateral symmetry mode and connected through a plurality of connecting rods (5), and each supporting frame (4) is rotatably installed on the supporting seat (2) through a supporting shaft (6);
the clamping devices are four groups, are uniformly distributed on four corners of the same square and are positioned at the inner sides of the connecting rods (5), and each group of clamping devices comprises a clamping component (3) which is arranged on the left supporting frame (4) and is adjusted left and right and a positioning component which is arranged on the right supporting frame (4);
the positioning component and the clamping component (3) are at the same height and comprise first positioning shafts which are matched with the mounting holes (12) on the standard knots and are arranged towards the inner side.
2. The turning device for welding the tower crane standard knot according to claim 1, wherein the support frame (4) comprises a first support plate (41) and a second support plate (42), the first support plate (41) is of a square frame structure, and the second support plate (42) is of an X-shaped structure and is connected to four corners of the first support plate (41);
the four clamping components (3) are correspondingly arranged on the X-shaped frame of the second supporting plate (42).
3. The turning device for welding the tower crane standard knot according to claim 2, wherein the clamping assembly (3) comprises an adjusting rod (31), a limiting shaft (33) and a fixing plate (32), the middle part of the limiting shaft (33) penetrates through the supporting frame (4) from left to right and is matched with the mounting hole (12) in the standard knot, and the fixing plate (32) is a pair and is respectively fixed at the left part and the right part of the limiting shaft (33);
one end of the adjusting rod (31) is installed on the supporting frame (4) in a threaded mode, and the middle of the adjusting rod is installed on the fixing plate (32) on the outer side in a rotating mode.
4. The turning device for welding the tower crane standard knot as claimed in claim 2, wherein each connecting rod (5) is of a left-right telescopic structure, one supporting seat (2) is arranged on the sliding rail (21) in a left-right sliding manner, and is fixed in a limiting manner through a locking assembly.
5. The tower crane standard festival turning device for welding of claim 2 or 4, characterized in that, every group clamping unit (3) includes check lock lever (46), clamp plate (48) and stopper (44), stopper (44) slide to set up on second backup pad (42) to it is spacing fixed through stopper, check lock lever (46) middle part and stopper (44) threaded connection, inside one end are equipped with clamp plate (48), be equipped with on clamp plate (48) with standard festival mounting hole (12) assorted second location axle.
6. The turning device for welding the tower crane standard knot according to claim 5, wherein a strip-shaped groove (43) is correspondingly arranged on the X-shaped frame of the second supporting plate (42), a plurality of limiting holes (45) arranged along the length direction of each strip-shaped groove (43) are arranged on one side of each strip-shaped groove (43), and the middle part of each limiting block (44) is slidably arranged in each strip-shaped groove (43);
the limiting assembly comprises a limiting rod (47) which penetrates through the limiting hole (45) to fix the limiting block (44).
7. The turning device for welding the standard knot of the tower crane according to any one of claims 1 to 4, wherein one of the support shafts (6) is connected with a driving assembly, the driving assembly is a rotating handle or a motor controlled by a controller, the other support shaft (6) is provided with a braking assembly for opening and closing, and the braking assembly is a magnetic powder brake connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425786.7A CN111673344A (en) | 2020-05-19 | 2020-05-19 | Turnover device for welding standard section of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425786.7A CN111673344A (en) | 2020-05-19 | 2020-05-19 | Turnover device for welding standard section of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111673344A true CN111673344A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010425786.7A Pending CN111673344A (en) | 2020-05-19 | 2020-05-19 | Turnover device for welding standard section of tower crane |
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| Country | Link |
|---|---|
| CN (1) | CN111673344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678482A (en) * | 2020-12-17 | 2021-04-20 | 中国电子科技集团公司第十三研究所 | Equipment turning device |
-
2020
- 2020-05-19 CN CN202010425786.7A patent/CN111673344A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678482A (en) * | 2020-12-17 | 2021-04-20 | 中国电子科技集团公司第十三研究所 | Equipment turning device |
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