CN109465591B - Spot welding tool for inner rib plate of cylinder of turntable of tower crane and working method - Google Patents
Spot welding tool for inner rib plate of cylinder of turntable of tower crane and working method Download PDFInfo
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- CN109465591B CN109465591B CN201811598790.2A CN201811598790A CN109465591B CN 109465591 B CN109465591 B CN 109465591B CN 201811598790 A CN201811598790 A CN 201811598790A CN 109465591 B CN109465591 B CN 109465591B
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- 238000003466 welding Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 241000209094 Oryza Species 0.000 description 6
- 235000007164 Oryza sativa Nutrition 0.000 description 6
- 235000009566 rice Nutrition 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B23K37/047—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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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The application relates to a spot welding tool for a rib plate in a cylinder of a tower crane and a working method, the spot welding tool comprises a bottom frame, wherein a rotating mechanism is fixed on the bottom frame, the rotating mechanism is connected with a driving mechanism, the driving mechanism is used for driving the rotating mechanism to rotate, a positioning mechanism is fixed on the rotating mechanism, the positioning mechanism comprises a support fixed on the rotating mechanism, the support is fixedly connected with a positioning beam, one side end surface of the positioning beam is a positioning plane, the positioning plane passes through the rotating center of the rotating mechanism and is used for positioning the rib plate, and a detection device is further arranged on the bottom frame and is used for detecting the rotating angle of the rotating mechanism.
Description
Technical Field
The application relates to the technical field of welding equipment for tower cranes, in particular to a spot welding tool for a rib plate in a cylinder of a turntable of a tower crane and a working method.
Background
The rib plates in the cylinder of the turntable of the tower crane are limited according to the design stress requirement and the position of the slewing bearing hole, and the rib plates are arranged around the circle center at different angles.
Because the rib plates need to be arranged around the circle center of the cylinder at different angles, in the actual welding process, the rib plates are difficult to position in the cylinder, the phenomenon of inaccurate welding positions or inaccurate angles of the rib plates easily occurs, and the accuracy of the structure is influenced, therefore, the rib plate welding and positioning device in the cylinder of the turntable of the tower crane is needed to be provided, so that the positioning of the rib plates during welding is assisted, and the accuracy of the welding positions and angles of the rib plates is ensured.
Disclosure of Invention
The application aims to overcome the defects in the prior art, and provides the spot welding tooling for the rib plates in the cylinder of the turntable of the tower crane, which has the advantages of simple structure and convenience in operation, meets the positioning requirements of the rib plates in the cylinder of the turntable of the tower crane during welding, and improves the welding position and angle precision.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the utility model provides a gusset spot welding frock in tower machine revolving stage drum, includes the chassis, the chassis is fixed with rotation mechanism, rotation mechanism is connected with actuating mechanism, and actuating mechanism is used for driving rotation mechanism's rotation, rotation mechanism is fixed with positioning mechanism, positioning mechanism is including fixing the support at rotation mechanism, support fixedly connected with locating beam, one side terminal surface of locating beam is locating plane, locating plane is through rotation mechanism's center of revolution for fix a position the gusset, still install detection device on the chassis, detection device is used for detecting rotation angle to rotation mechanism.
Furthermore, the slewing mechanism adopts a slewing bearing, an inner ring part of the slewing bearing is fixedly connected with the underframe, an outer ring part of the slewing bearing is fixedly connected with a disc, and the disc is fixedly connected with the positioning mechanism.
Further, the driving mechanism comprises a driving motor, a motor shell of the driving motor is fixedly connected with the underframe, an output shaft of the driving motor is fixedly connected with a first gear, and the first gear is meshed with an outer ring part of the slewing bearing.
Further, the driving motor adopts an electromagnetic braking motor.
Further, the support is an L-shaped plate and comprises a horizontal fixing plate and a vertical fixing plate, wherein the horizontal fixing plate is fixedly connected with the disc, the vertical fixing plate is fixedly connected with the positioning beam, and the vertical fixing plate is used for passing through the rotation center of the rotation mechanism on the plane where the end face connected with the positioning beam is located.
Further, a reinforcing plate is arranged between the horizontal fixing plate and the vertical fixing plate and used for increasing the structural strength of the support.
Furthermore, the positioning beam adopts a U-shaped beam, and the distance from one end part of the U-shaped beam to the rotation center of the rotation mechanism is Yu Daji, which is larger than the difference between the inner diameter of the turntable cylinder and the length of the rib plate, and is Yu Daji, which is smaller than the inner diameter of the turntable cylinder.
Further, the detection device comprises an encoder, the encoder is arranged on an encoder bottom plate, the encoder bottom plate is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with a bottom frame, an input shaft of the encoder is fixedly connected with a second gear, and the second gear is meshed with an outer ring part of the slewing bearing.
Furthermore, the underframe is also provided with a positioning pin hole, and the positioning pin hole is used for positioning and fixing the tower crane turntable cylinder of the rib plate to be spot-welded on the underframe through a positioning pin.
The application also discloses a working method of the spot welding tool for the rib plates in the cylinder of the turntable of the tower crane, which comprises the following steps:
step 1: and fixing the tower crane turntable cylinder of the rib plate to be spot welded on the underframe.
Step 2: the end face of one side of the rib plate to be spot-welded is tightly adhered to the positioning plane of the positioning beam, the rib plate is fixed with the inner surface of the turntable cylinder of the tower crane in a spot-welding mode, the driving mechanism drives the rotating mechanism to rotate, the rotating mechanism drives the positioning beam to rotate by a set angle, the next rib plate is tightly adhered to the positioning plane of the positioning beam, the rib plate is fixed with the inner surface of the turntable cylinder of the tower crane in a spot-welding mode, other rib plates are spot-welded by adopting the same method until all the rib plates are spot-welded to the inner surface of the turntable cylinder of the tower crane.
The application has the beneficial effects that:
1. the spot welding tool disclosed by the application is simple in structure and convenient to use, and can be used for effectively positioning the rib plates, so that the welding positions and angles of the rib plates are accurate, and the spot welding precision is improved.
2. The spot welding tool provided by the application is provided with the detection device, so that the angle between two adjacent rib plates can be effectively controlled, the positioning precision is improved, and a foundation is laid for the next robot welding process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic front view of the overall structure of the present application;
FIG. 2 is an enlarged view of the application at A in FIG. 1;
FIG. 3 is a schematic top view of the overall structure of the present application;
FIG. 4 is a schematic front view of the present application in use;
FIG. 5 is a schematic top view of the present application in use;
the device comprises a support leg 1, a support leg 2, a slewing bearing 4, a disc 5, a driving motor 6, a first gear 7, a horizontal fixing plate 8, a vertical fixing plate 9, a reinforcing plate 10, a positioning beam 11, a detection device support 12, an encoder 13, an encoder bottom plate 14, a spring 15, a second gear 16, a turntable bottom plate 17, a pin shaft 18, a tower crane turntable cylinder 19 and a rib plate.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As introduced by the background technology, the rib plates in the conventional turntable cylinder of the tower crane are difficult to position during spot welding, so that inaccurate welding positions and angles of the rib plates are easily caused, the structural accuracy is influenced, and the application provides a spot welding tool for the rib plates in the turntable cylinder of the tower crane.
In an exemplary embodiment of the application, as shown in fig. 1-3, a spot welding tool for rib plates in a turntable cylinder of a tower crane comprises a bottom frame, wherein the bottom frame comprises support legs 1 and a 'rice' -shaped support frame 2 fixed at the top ends of the support legs, the support legs and the 'rice' -shaped support frame are both made of steel beams, the processing is convenient, the cost is low, a plurality of symmetrically distributed positioning pin holes are formed in the 'rice' -shaped support frame, and the turntable cylinder of the tower crane can be positioned and fixed through the positioning pin holes and the positioning pins.
The rotary mechanism is fixed on the 'rice' -shaped support frame and comprises a rotary support 3, an inner ring part of the rotary support is fixedly connected with the 'rice' -shaped support frame through bolts, an outer ring part of the rotary support is fixedly provided with a disc 4 through bolts, and the disc is positioned above the rotary support and is concentrically arranged with the rotary support.
The rotary mechanism is connected with the driving mechanism, the driving mechanism is used for driving the rotation of the rotary mechanism, the driving mechanism comprises a driving motor 5, a motor casing of the driving motor is fixed on the 'rice' -shaped support frame through a bolt, an output shaft of the driving motor is fixedly connected with a first gear 6, the first gear is meshed with an outer ring of the rotary support, the driving motor can drive the first gear to rotate, the first gear drives the outer ring of the rotary support to rotate, the driving motor adopts an electromagnetic braking motor, the starting and the braking are stable, the mechanical abrasion is small, the driving motor is connected with a control system, and the driving motor is controlled by the control system to work.
The positioning mechanism comprises a support, the support is an L-shaped plate and comprises an integrated horizontal fixing plate 7 and a vertical fixing plate 8, the horizontal fixing plate is fixed on the disc through bolts, the plane of the opposite side of the side where the vertical fixing plate is located passes through the disc and the rotation center of the slewing bearing, a reinforcing plate 9 is welded between the two ends of the vertical fixing plate and the horizontal fixing plate, the integral structural strength of the support is enhanced, a positioning beam 10 is fixed on the vertical fixing plate through bolts, the positioning beam is a U-shaped beam, the end face of the positioning beam, which is used for being connected with the vertical fixing plate, is a positioning plane, the positioning plane passes through the rotation center of the slewing bearing of the disc machine, the distance between one end of the positioning beam and the rotation center is larger than the difference between the inner diameter of a turntable cylinder of a tower machine to be spot-welded with the rib plate, and the inner diameter of the turntable cylinder of the small Yu Daji can enable the turntable cylinder of the tower machine to not to obstruct the rotation of the positioning beam, and the inner surface of the turntable cylinder of the tower machine to be spot-welded to be in contact with the rib plate, and the turntable cylinder of the tower machine turntable can be conveniently subjected to spot welding.
The detection device is fixed on the'm' -shaped support frame through the detection device support 11, the detection device comprises an encoder 12, the encoder is fixed on an encoder bottom plate 13, the bottom plate is fixedly connected with the detection device support, one end of a spring 14 is fixedly connected to the encoder bottom plate, the other end of the spring is fixedly connected with the detection device support, a second gear 15 is fixedly connected to an input shaft of the encoder, the second gear is meshed with an outer ring part of the slewing bearing, the outer ring part of the slewing bearing rotates and can drive the second gear to rotate, the second gear transmits rotation information to the encoder, the encoder is connected with an external control system, collected rotation angle information is transmitted to the control system, the encoder can convert angular displacement into periodic electric signals, then the electric signals are converted into counting pulses, the pulses are transmitted to the control system, the number of the pulses is used for representing the size of the angular displacement, the repeated positioning accuracy is high, and in the working process of the second gear and the slewing bearing, as the second gear and the slewing bearing have machining errors, radial runout errors of different degrees in the process of one circle of rotation can cause in the meshing process, the repeated positioning of the second gear and the slewing bearing can effectively match the accuracy of the counting accuracy of the encoder and the counting pulses through the spring and the second gear.
The application also discloses a working method of the spot welding tool for the rib plates in the cylinder of the turntable of the tower crane, as shown in figures 4-5, comprising the following steps:
step 1: the turntable bottom plate 16 of the tower crane turntable cylinder 18 is fixed on the rice-shaped support frame of the underframe through the pin shaft 17 and the positioning pin hole on the underframe, and the tower crane turntable cylinder, the slewing bearing and the disc are positioned at concentric positions.
Step 2: one rib plate 19 is taken, one side end surface of the rib plate is tightly attached to the positioning plane of the positioning beam, the rib plate is in contact with the inner surface of the tower crane turntable cylinder, then the rib plate is subjected to spot welding with the inner surface of the tower crane turntable cylinder, a driving motor works, the outer ring of the slewing bearing drives the disc to rotate, the positioning beam rotates by a set angle, one rib plate is taken, the rib plate is subjected to spot welding with the inner surface of the tower crane turntable cylinder by adopting the same method, and other rib plates are sequentially subjected to spot welding with the inner surface of the tower crane turntable cylinder by adopting the same method until all the rib plates are subjected to spot welding.
In the spot welding process, the encoder can read the rotating angle of the positioning beam in real time, so that an operator can conveniently control the angle of the adjacent rib plates, the accuracy of the welding position of the rib plates is improved, and a foundation is laid for robot welding in the next process.
While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations within the scope of the application as defined by the claims of the present application.
Claims (6)
1. The utility model provides a gusset spot welding frock in tower machine revolving stage drum, its characterized in that, includes the chassis, the chassis is fixed with rotation mechanism, rotation mechanism is connected with actuating mechanism, and actuating mechanism is used for driving rotation mechanism's rotation, rotation mechanism is fixed with positioning mechanism, positioning mechanism is including fixing the support at rotation mechanism, support fixedly connected with locating beam, one side terminal surface of locating beam is the locating plane, the locating plane is through rotation mechanism's rotation center for fix a position the gusset, specifically: the support is an L-shaped plate and comprises a horizontal fixing plate and a vertical fixing plate, wherein the horizontal fixing plate is fixedly connected with the disc, the vertical fixing plate is fixedly connected with the positioning beam, and the plane of the end face of the vertical fixing plate, which is connected with the positioning beam, passes through the rotation center of the rotation mechanism; a reinforcing plate is arranged between the horizontal fixing plate and the vertical fixing plate and is used for increasing the structural strength of the support; the positioning beam adopts a U-shaped beam, the distance from one end of the U-shaped beam to the rotation center of the rotation mechanism is Yu Daji, the difference between the inner diameter of the turntable cylinder and the length of the rib plate is smaller than the inner diameter of the Yu Daji turntable cylinder; the chassis is also provided with a detection device, and the detection device is used for detecting the rotation angle of the slewing mechanism and specifically comprises the following components: the detection device comprises an encoder, the encoder is arranged on an encoder bottom plate, the encoder bottom plate is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with a bottom frame, an input shaft of the encoder is fixedly connected with a second gear, and the second gear is meshed with an outer ring part of the slewing bearing.
2. The spot welding tooling for the inner rib plates of the rotary table cylinder of the tower crane is characterized in that the rotary mechanism adopts a rotary support, an inner ring part of the rotary support is fixedly connected with the underframe, an outer ring part of the rotary support is fixedly connected with a disc, and the disc is fixedly connected with the positioning mechanism.
3. The spot welding tooling for the inner rib plates of the rotary table cylinder of the tower crane according to claim 2, wherein the driving mechanism comprises a driving motor, a motor shell of the driving motor is fixedly connected with the underframe, an output shaft of the driving motor is fixedly connected with a first gear, and the first gear is meshed with an outer ring part of the slewing bearing.
4. A turret machine turret cylinder inner gusset spot welding tooling as claimed in claim 3 wherein said drive motor is an electromagnetic brake motor.
5. The spot welding tooling for the inner rib plates of the turntable cylinder of the tower crane is characterized in that a positioning pin hole is further formed in the underframe, and the positioning pin hole is used for positioning and fixing the turntable cylinder of the tower crane to be spot welded with the rib plates on the underframe through a positioning pin.
6. A turret machine turret cylinder inner gusset spot welding tooling as claimed in any one of claims 1-5, comprising the steps of:
step 1: fixing a tower crane turntable cylinder of a rib plate to be spot-welded on the underframe;
step 2: the end face of one side of the rib plate to be spot-welded is tightly adhered to the positioning plane of the positioning beam, the rib plate is fixed with the inner surface of the turntable cylinder of the tower crane in a spot-welding mode, the driving mechanism drives the rotating mechanism to rotate, the rotating mechanism drives the positioning beam to rotate by a set angle, the next rib plate is tightly adhered to the positioning plane of the positioning beam, the rib plate is fixed with the inner surface of the turntable cylinder of the tower crane in a spot-welding mode, other rib plates are spot-welded by adopting the same method until all the rib plates are spot-welded to the inner surface of the turntable cylinder of the tower crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811598790.2A CN109465591B (en) | 2018-12-26 | 2018-12-26 | Spot welding tool for inner rib plate of cylinder of turntable of tower crane and working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811598790.2A CN109465591B (en) | 2018-12-26 | 2018-12-26 | Spot welding tool for inner rib plate of cylinder of turntable of tower crane and working method |
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| Publication Number | Publication Date |
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| CN109465591A CN109465591A (en) | 2019-03-15 |
| CN109465591B true CN109465591B (en) | 2023-11-21 |
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| CN201811598790.2A Active CN109465591B (en) | 2018-12-26 | 2018-12-26 | Spot welding tool for inner rib plate of cylinder of turntable of tower crane and working method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008277B (en) * | 2020-08-07 | 2022-07-05 | 湖南九方焊接技术有限公司 | Welding method for tower crane turntable support |
| CN112692496A (en) * | 2021-03-25 | 2021-04-23 | 苏州康克莱自动化科技有限公司 | Joint synchronous rotation welding mechanism |
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|---|---|
| CN109465591A (en) | 2019-03-15 |
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