CN119057370A - A steel structure lattice shell welding positioning device - Google Patents
A steel structure lattice shell welding positioning device Download PDFInfo
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- CN119057370A CN119057370A CN202411560087.8A CN202411560087A CN119057370A CN 119057370 A CN119057370 A CN 119057370A CN 202411560087 A CN202411560087 A CN 202411560087A CN 119057370 A CN119057370 A CN 119057370A
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- 238000003466 welding Methods 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000012937 correction Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007665 sagging Methods 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 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
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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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 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
- B23K37/047—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 moving work to adjust its position between soldering, welding or cutting steps
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Abstract
The invention relates to a steel structure net shell welding positioning device applied to the field of steel structure welding, which comprises a positioning piece used for clamping and positioning a warp-wise arc section and a weft-wise arc section, wherein the positioning piece comprises a supporting bottom plate with a friction pad covered on the top surface, an adjusting frame is fixedly arranged at the top end of one side of the supporting bottom plate, a double-shaft driving motor is arranged at the movable end of the adjusting frame through a bracket, a first output shaft of the double-shaft driving motor is connected with a detection plate, a second output shaft of the double-shaft driving motor is connected with a winding disc, a pull rope is wound on the surface of the winding disc, a side constraint plate is arranged at the tail end of the detection plate through a shaft piece, a first miniature hydraulic telescopic rod is arranged above the detection plate, a pressing block is connected with the power end of the first miniature hydraulic telescopic rod, an elastic beam is connected inside a hollow groove, and when steel structure net shells are welded, the clamping of the clamped arc sections to be welded are automatically and horizontally corrected, the subsequent alignment steps are reduced one by one, and the convenient and efficient positioning is realized.
Description
Technical Field
The invention relates to a steel structure welding positioning device, in particular to a steel structure reticulated shell welding positioning device applied to the field of steel structure welding.
Background
The steel structure net shell is a space structure formed by using steel materials, has various shapes, including round, oval or square, and the like, and can be selected according to design requirements. The structure not only has the characteristics of light weight and high strength, but also can effectively disperse load, so that the stress of the structure is more reasonable, and the structure occupies an important position in modern building engineering.
The Chinese patent specification with the application number of CN202321323787.6 discloses a steel structure net shell processing and positioning auxiliary device, when a hub node is positioned, a positioning pipe is positioned on a fixture tire frame plate of a fixture tire frame and welded and fixed to realize the space positioning of an inclined plane, then the hub node is placed on the inclined plane and welded and fixed to realize the space position and the inclination positioning and fixing of the hub node, net shell rectangular pipes are additionally arranged on all the hub nodes according to the positioning and fixing modes, the positioning pipe is cut and polished completely, and the steel structure net shell processing of one processing unit is completed. Simple, efficient and accurate.
In the prior art, when the net shell is welded, the splicing type welding of the multi-section arc-shaped steel structure is needed to form a stable net shell shape, and the positioning device utilizes the configuration of the convex points and the auxiliary scale marks to assist in fixing the nodes.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problem of how to perform convenient and efficient welding positioning treatment when the latticed shells are welded.
In order to solve the problems, the invention provides a steel structure net shell welding positioning device, which comprises a positioning piece used for clamping and positioning a warp-wise arc section and a weft-wise arc section, wherein the positioning piece comprises a supporting bottom plate, the top surface of the supporting bottom plate is covered with a friction pad, an adjusting frame is fixedly arranged at the top end of one side of the supporting bottom plate, a double-shaft driving motor is installed at the movable end of the adjusting frame through a bracket, a detection plate is connected with a first output shaft of the double-shaft driving motor, a winding disc is connected with a second output shaft of the double-shaft driving motor, a pull rope is wound on the surface of the winding disc, a side constraint plate is installed at the tail end of the detection plate through a shaft piece, one end of the pull rope is connected with the lower surface of the side constraint plate, an arch-shaped elastic arch piece is connected with the upper surface of the side constraint plate, a first miniature hydraulic telescopic rod is installed above the detection plate, a pressing block is connected with the power end of the first miniature hydraulic telescopic rod, a section size is larger than that of the pressing block is arranged inside the detection plate, an elastic binding piece is connected with the inside of the groove, the elastic binding piece is located at the power end of the first miniature hydraulic telescopic rod, a concave camera is provided with a concave depression value, and the concave depth is small in the concave value is arranged inside the miniature camera.
In the steel structure net shell welding positioning device, the side constraint plate, the pressing block and the first miniature hydraulic telescopic rod are utilized to be matched, so that the clamping can be automatically and horizontally corrected on the clamped arc-shaped section to be welded when the steel structure net shell is welded, the follow-up step of aligning one by one is reduced, and the convenient and efficient positioning is realized.
As a further improvement of the application, the initial elastic action of the elastic arch piece is not less than the gravity of the side constraint plate, and the projection of the side constraint plate in the vertical direction when the side constraint plate is in a vertical state with the detection plate is positioned at the outer side of the supporting bottom plate.
As a still further improvement of the application, the positioning piece further comprises a bearing frame, the surface of the bearing frame is provided with an annular groove, the interior of the annular groove is connected with a telescopic moving piece in a sliding manner, the surface of the bearing frame is fixedly provided with a telescopic fixed piece, the telescopic moving piece and the telescopic fixed piece are arranged at equal heights, the moving ends of the telescopic moving piece and the telescopic fixed piece are detachably connected with the surface of one side of the supporting base plate, which is away from the adjusting frame, the telescopic moving piece and the telescopic fixed piece are of a structure with adjustable length, one side of the bearing frame is provided with a servo motor, and the servo motor is in transmission connection with the surface of the bearing frame through a gear.
As a further improvement of the application, the surface of the double-shaft driving motor is provided with a follow-up groove, the inside of the follow-up groove is connected with an electric telescopic bracket in a sliding way, and the power end of the electric telescopic bracket is movably connected with the surface of the first miniature hydraulic telescopic rod.
As a further improvement of the application, a second miniature hydraulic telescopic rod is arranged on the back surface of the supporting bottom plate, the power end of the second miniature hydraulic telescopic rod is fixedly connected with a sliding block which is in sliding connection with a groove arranged at the bottom of the detection plate, the section size of the sliding block is smaller than that of the detection plate, the bottom surface of the sliding block protrudes out of the bottom surface of the detection plate, and the two end points of the displacement of the sliding block are both positioned at one side of the pressing block, which is away from the double-shaft driving motor.
As a further improvement of the application, the application also comprises a detection system, the detection system comprises a processor arranged on the bearing frame, the processor is connected with an input module, a measurement module, a correction module and a constraint positioning module, wherein the input module is used for inputting diameter values of the warp-wise arc section and the weft-wise arc section, the measurement module comprises a pressure sensing plate arranged in a friction pad and is used for measuring the placement states of the warp-wise arc section and the weft-wise arc section on the surface of the bearing bottom plate, the correction module is in signal connection with a first miniature hydraulic telescopic rod, a second miniature hydraulic telescopic rod and an electric telescopic bracket and is used for correcting the placement states of the warp-wise arc section and the weft-wise arc section, and the constraint positioning module is in signal connection with a second output shaft of the double-shaft driving motor and is used for switching the working states of the side constraint plate.
As another improvement of the application, the connection mode of the power end of the second miniature hydraulic telescopic rod and the sliding block is replaced by rotary connection, the power end of the second miniature hydraulic telescopic rod is connected with a servo motor, and the output end of the servo motor is connected with the surface of the sliding block through a shaft rod.
In addition to the further improvement of the application, the sliding block is positioned at one side of the detection plate close to the side constraint plate in the initial state, and the servo motor is electrically connected with the second miniature hydraulic telescopic rod.
In summary, when carrying out the welding positioning process of steel construction reticulated shell structure, need carry out horizontal centre gripping with the arc section earlier, later with the arc section of horizontal centre gripping utilize servo motor, flexible fixed part and flexible cooperation of moving part, can carry out the concatenation of ring, reduce the step of aligning the location one by one, after the ring welding is accomplished, need carry out the longitudinal connection between the ring, the warp direction arc section after the horizontal centre gripping can be utilized this moment, utilize the liftable on the travelling car + translation multi-axis arm of regulation to carry out the angle modulation of warp direction arc section, so as to carry out circumference type fixed-position welding process.
Drawings
FIG. 1 is a view of a first embodiment of the application showing the mounting of a telescoping movable member, telescoping fixed member, load carrier, and servo motor and support base plate;
FIG. 2 is a mounting view of a carrier base plate, a probe plate and a side restraint plate according to a first embodiment of the present application;
FIG. 3 is a diagram showing the construction of a latticed shell according to a first embodiment of the present application;
FIG. 4 is an installation view of an elastic bundle according to a first embodiment of the present application;
FIG. 5 is a side restraint panel restraint state diagram of a first embodiment of the present application;
FIG. 6 is a view showing the inclination correction of the latitudinal arc segment on the surface of the carrier floor in accordance with the first embodiment of the present application;
FIG. 7 is a diagram of a second miniature hydraulic telescoping rod and slider according to a first embodiment of the present application;
FIG. 8 is a view showing a state in which a slider is moved to adjust the inclination of a latitudinal arc-shaped segment according to the first embodiment of the present application;
FIG. 9 is a process diagram of a first embodiment of the present application for connecting two rings of different diameters above and below by waiting for welding after the angle adjustment process after the horizontal clamping of the radial arc segments;
FIG. 10 is an installation view of a servo motor and a slider according to a second embodiment of the present application;
fig. 11 is a schematic diagram showing a change in a placement state of a slider according to a second embodiment of the present application;
FIG. 12 is a schematic view showing the variation of the height difference between the surface of the latitudinal arc-shaped segment and the bottom of the probe card with different curvature radii according to the second embodiment of the present application;
fig. 13 is a schematic view of a splice welding according to a first embodiment of the present application.
The reference numerals in the figures illustrate:
1. the device comprises a supporting base plate, a2, an adjusting frame, a 3, a double-shaft driving motor, a 31, a follow-up groove, a4, a detecting plate, a 41, an elastic binding piece, a 5, a side limit binding plate, a6, a pull rope, a 7, an elastic arch piece, a8, a first miniature hydraulic telescopic rod, a 9, a pressing block, a10, a telescopic moving piece, a 11, a telescopic fixed piece, a12, a servo motor, a 13, a bearing frame, a14, a second miniature hydraulic telescopic rod, a15, a sliding block, a16, a servo motor, a 001, a warp arc section, a 002 and a weft arc section.
Detailed Description
Two embodiments of the present application will be described in detail with reference to the accompanying drawings.
First embodiment:
1-4 show a steel structure net shell welding positioning device, including the locating piece that is used for centre gripping location warp direction arc section 001 and weft direction arc section 002, the locating piece includes that the top surface covers the support bottom plate 1 that has the friction pad, support bottom plate 1's one side top end fixed mounting has alignment jig 2, alignment jig 2's active end has biax driving motor 3 through the support mounting, biax driving motor 3's first output shaft has detection board 4, biax driving motor 3's second output shaft has the rolling disc, the surface winding of rolling disc has stay cord 6, detection board 4's tail end has side constraint board 5 through the shaft part, and the one end and the lower surface of side constraint board 5 of stay cord 6 are connected, detection board 4's top is connected with the elasticity arch piece 7 of arch bridge form, and the tail end and the upper surface connection of side constraint board 5 of elasticity arch piece 7, install miniature hydraulic telescoping rod 8 of first number, miniature hydraulic telescoping rod 8's power end is connected with briquetting 9, and detection board 4's inside is equipped with the groove that the cross-section size is greater than briquetting 9, the inside is connected with the inside of groove, the inside of recess is equipped with the small-size of elasticity depression 41, and the inside of recess is equipped with the small-size is empty value of the miniature camera, the inside of recess is equipped with the small-size of the recess, the small-size is equipped with the empty-size of the recess, and the inside recess is equipped with the small-size, and the small-size is small, and the inside of the inside size is equipped with the inside small-size and is easy, and has a small size and is easy;
the surface of the double-shaft driving motor 3 is provided with a follow-up groove 31, an electric telescopic bracket is connected inside the follow-up groove 31 in a sliding way, and the power end of the electric telescopic bracket is movably connected with the surface of the first miniature hydraulic telescopic rod 8;
Fig. 7 shows that the back surface of the supporting base plate 1 is provided with a second miniature hydraulic telescopic rod 14, the power end of the second miniature hydraulic telescopic rod 14 is fixedly connected with a sliding block 15 which is slidably connected in a groove arranged at the bottom of the detection plate 4, the section size of the sliding block 15 is smaller than that of the detection plate 4, the bottom surface of the sliding block 15 protrudes out of the bottom surface of the detection plate 4, and the two end points of the displacement of the sliding block 15 are all positioned at one side of the pressing block 9, which is away from the double-shaft driving motor 3.
Specifically, before welding the steel-structure net shell (as shown in fig. 3), when the setting position of the pressing block 9 is positioned in the horizontal position of the weft arc-shaped sections 002, splicing welding treatment is performed on the weft arc-shaped sections 002 which are horizontally positioned, a circular ring-shaped structure can be formed after the welding is completed, and then the warp arc-shaped sections 001 are welded to the surfaces of adjacent circular rings, and the welding is sequentially performed, so that the welding of the net shell can be completed;
When the splicing type welding treatment of the weft arc-shaped section 002 is carried out, the cut weft arc-shaped section 002 with a corresponding size is required to be placed on the supporting base plate 1, and as the weft arc-shaped section 002 is provided with a certain radian and the projection length of the weft arc-shaped section 002 is larger than that of the supporting base plate 1, the weft arc-shaped section 002 can deflect to a certain extent in a natural state, so that the weft arc-shaped section 002 placed on the supporting base plate 1 is required to be ensured to be placed horizontally for facilitating subsequent circumferential butt joint;
Fig. 6 shows that after the latitudinal arc section 002 is placed on the surface of the supporting base plate 1, the first output shaft of the biaxial drive motor 3 is started firstly, the detection plate 4 and the side constraint plate 5 are driven to rotate to the upper side of the latitudinal arc section 002 (the height of the adjusting frame 2 is generally set to be Yu Wei larger than the diameter of the latitudinal arc section 002, so that the detection plate 4 can smoothly move to the upper side of the latitudinal arc section 002 when the latitudinal arc section 002 is placed in a non-horizontal state), then the second output shaft of the biaxial drive motor 3 is started, the pull rope 6 is driven to wind a small distance, so that the side constraint plate 5 plays a role in side constraint on the latitudinal arc section 002 (as shown in fig. 5), then, whether the placement state of the latitudinal arc section 002 on the supporting base plate 1 is horizontal or not is detected by using the measuring module, if the pressure trace received on the pressure sensing plate (i.e. the pressure sensor array) is in a state of being horizontally placed from the beginning to the end, and if the radius of curvature of the pressure trace is in a set error range compared with the radius of the latitudinal arc section 002 (the radius of the latitudinal arc section 002 is in a set error range, and the actual operation range is in a non-horizontal state is not equal to the ideal error range, if the two arc section 002 is in the actual placement range and is in the arc error range;
When the miniature camera is not horizontally placed, the inclination state of the weft arc-shaped section 002 on the surface of the supporting base plate 1 (the inclination state of the lower Fang Wei-direction arc-shaped section 002 is detected by the miniature camera), if the upper part of the weft arc-shaped section 002 is inclined to be close to the direction of the double-shaft driving motor 3 (the judgment can be made according to whether the distance value between the projection of the top end of the weft arc-shaped section 002 shot by the miniature camera and the direction of the regulating frame 2 exceeds a set threshold value, if so, the upper part of the weft arc-shaped section 002 is inclined to be close to the direction of the double-shaft driving motor 3), if so, the electric telescopic frame is started, the first miniature hydraulic telescopic rod 8 is driven to move towards the direction close to the side constraint plate 5, the first miniature hydraulic telescopic rod 8 is matched to stretch, the inclined weft arc-shaped section 002 can be horizontally placed (in the process of correcting the dynamic change of the weft arc-shaped section 002, the electric telescopic frame is gradually contracted to bring the first miniature hydraulic telescopic rod 8 back to adjust the inclination state of the first miniature hydraulic telescopic rod 8, if so that the upper part of the weft arc-shaped section 002 is inclined to be close to the direction of the double-shaft driving motor 3, if so that the weft arc-shaped section 002 is inclined to be kept close to the direction of the weft arc-shaped section 002), if the weft arc-shaped section 002 is close to the direction constraint plate is, the direction of the side constraint plate is continuously, and the opposite to the side constraint plate 2, and the side 002 is continuously pressed to the side constraint plate (the side surface of the side 002, and the upper side constraint plate is continuously placed on the side surface of the side 002;
Fig. 8 shows that when the upper part of the weft arc 002 is inclined away from the direction of the double-shaft driving motor 3, the second miniature hydraulic telescopic rod 14 is started first to drive the sliding block 15 to move, the weft arc 002 is moved towards the direction close to the double-shaft driving motor 3, the inclined state of the weft arc 002 is adjusted, the second output shaft of the double-shaft driving motor 3 is started at the same time, the pull rope 6 is driven to wind a small distance again, the moving range of the weft arc 002 in the supporting bottom plate 1 is shortened, the sliding block 15 is reset, and then the state adjustment of the weft arc 002 is the same as that when the upper part of the weft arc 002 is inclined close to the double-shaft driving motor 3.
The initial elastic force action of the elastic arch member 7 is not smaller than the gravity of the side constraint plate 5, and the projection of the side constraint plate 5 in the vertical direction when in a vertical state with the detection plate 4 is positioned outside the supporting base plate 1.
Specifically, when the second output shaft of the biaxial drive motor 3 rotates in the opposite direction, the lateral constraint plate 5 can return to the initial state independently under the action of the elastic arch member 7, and sagging does not occur.
The locating part still includes bearing frame 13, the ring channel has been seted up on the surface of bearing frame 13, and the inside sliding connection of ring channel has flexible movable part 10, the fixed surface of bearing frame 13 installs flexible fixed part 11, and flexible movable part 10 and flexible fixed part 11 equal altitude are arranged, the removal end of flexible movable part 10 and flexible fixed part 11 all with hold in the palm bearing bottom plate 1 and deviate from the one side surface detachable connection of regulating frame 2, flexible movable part 10 and flexible fixed part 11 are adjustable length's structure, servo motor 12 has been arranged to one side of bearing frame 13, and servo motor 12 passes through the gear and is connected with the surface transmission of bearing frame 13.
Specifically, the lengths of the telescopic moving part 10 and the telescopic fixed part 11 can be adjusted according to the radius of the weft arc-shaped section 002 which is spliced as required, the actual structures of the telescopic moving part 10, the telescopic fixed part 11, the bearing frame 13 and the servo motor 12 are adjusted according to the requirement to meet the length requirement, when the splicing welding is carried out, one weft arc-shaped section 002 is horizontally placed on the bearing bottom plate 1 connected with the end part of the telescopic fixed part 11, then the other weft arc-shaped sections 002 are placed on the bearing bottom plate 1 connected with the end part of the telescopic moving part 10, the telescopic moving part 10 is driven to rotate through the servo motor 12, the splicing positioning of the two weft arc-shaped sections 002 can be driven, and then the welding is carried out (as shown in fig. 13);
When carrying out the welding of warp direction arc section 001, pull down the multiaxis arm that will hold in the palm the back and hold in the palm bottom plate 1 and install the liftable + translation on the travelling car with holding in the palm bottom plate 1 from flexible moving part 10 and flexible fixed part 11's tip, adjust back with the horizontal centre gripping of warp direction arc section 001 and hold in the palm bottom plate 1, utilize multiaxis arm adjustment clamping angle (as shown in fig. 9) for after the surface of warp direction arc section 001 and two rings that wait to weld can stabilize the laminating, remove the welding around the ring, so can fix a position fast, improve welding efficiency.
The detection system comprises a bearing frame 13, the processor is connected with an input module, a measurement module, a correction module and a constraint positioning module, wherein the input module is used for inputting diameter values of the warp-wise arc section 001 and the weft-wise arc section 002, the measurement module comprises a pressure sensing plate arranged in a friction pad and is used for measuring the placement states of the warp-wise arc section 001 and the weft-wise arc section 002 on the surface of the bearing bottom plate 1, the correction module is connected with a first miniature hydraulic telescopic rod 8, a second miniature hydraulic telescopic rod 14 and an electric telescopic bracket in a signal manner and is used for correcting the placement states of the warp-wise arc section 001 and the weft-wise arc section 002, and the constraint positioning module is connected with a second output shaft signal of the double-shaft driving motor 3 and is used for switching the working states of the side constraint plate 5.
Specifically, the height of the adjusting frame 2 is usually slightly larger than the diameter value of the warp arc section 001 or the weft arc section 002 in the input module, so that when the warp arc section 001 or the weft arc section 002 is placed obliquely, the detecting plate 4 can smoothly pass through the upper part of the supporting base plate 1, and the situation that the corresponding side constraint effect cannot be achieved by the side constraint plate 5 due to overlarge height difference between the bottom of the detecting plate 4 and the arc section can be avoided.
Second embodiment:
fig. 10 shows that the connection mode of the power end of the second miniature hydraulic telescopic rod 14 and the sliding block 15 is replaced by rotation connection, the power end of the second miniature hydraulic telescopic rod 14 is connected with a servo motor 16, and the output end of the servo motor 16 is connected with the surface of the sliding block 15 through a shaft rod.
The sliding block 15 is located at one side of the detection plate 4 close to the side constraint plate 5 in the initial state, and the servo motor 16 is electrically connected with the second miniature hydraulic telescopic rod 14.
Unlike the first embodiment, when the detecting plate 4 passes over the warp arc section 001 or the weft arc section 002, if the radius of curvature of the single warp arc section 001 or weft arc section 002 is larger and the arc length is shorter, even if the detecting plate is placed obliquely, the height drop of the arc section area is not large (as shown in fig. 12), so when the detecting plate 4 moves over the warp arc section 001 or weft arc section 002 placed over the supporting base plate 1, the protruding sliding block 15 may scratch the surface of the warp arc section 001 or weft arc section 002, in order to improve this phenomenon, the depth of the groove in this embodiment is not smaller than the thickness of the sliding block 15, when the second micro hydraulic telescopic rod 14 is extended, the servo motor 16 starts to drive the sliding block 15 to be placed horizontally and stored in the groove, so that the bottom of the detecting plate 4 is in a horizontal state, when the second micro hydraulic telescopic rod 14 is retracted, the servo motor 16 starts to drive the sliding block 15 to rotate 90 degrees and then to be placed vertically, protruding from the bottom of the detecting plate 4, and thus the depth of the protruding sliding block is coincident with the inclined warp arc section 001 or weft arc section 002 (as shown in the vertical arc 11).
In summary, when the welding positioning treatment of the steel structure reticulated shell structure is performed, the arc-shaped section needs to be horizontally clamped, then the horizontally clamped arc-shaped section can be spliced by utilizing the cooperation of the servo motor 12, the telescopic fixed part 11 and the telescopic movable part 10, the splicing welding treatment of the circular rings with different radiuses can be performed by utilizing the difference of the radiuses of the circular rings and adjusting the extension lengths of the telescopic fixed part 11 and the telescopic movable part 10, after the circular ring welding is finished, the longitudinal connection (namely the warp direction) between the circular rings is required, at the moment, the horizontally clamped warp-shaped section 001 can be adjusted by utilizing the multi-axis mechanical arm capable of lifting and translation adjustment on the movable trolley, so that the circumferential positioning welding treatment can be performed.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.
Claims (8)
1. The steel structure net shell welding positioning device comprises a positioning piece for clamping and positioning a warp-wise arc section (001) and a weft-wise arc section (002), and is characterized in that the positioning piece comprises a supporting base plate (1) with a friction pad covered on the top surface, an adjusting frame (2) is fixedly arranged at the top end of one side of the supporting base plate (1), a double-shaft driving motor (3) is installed at the movable end of the adjusting frame (2) through a support, a detection plate (4) is connected with a first output shaft of the double-shaft driving motor (3), a winding disc is connected with a second output shaft of the double-shaft driving motor (3), a pull rope (6) is wound on the surface of the winding disc, the tail end of the detection plate (4) is provided with a side constraint plate (5) through a shaft piece, one end of the pull rope (6) is connected with the lower surface of the side constraint plate (5), the top of the detection plate (4) is connected with a bridge-shaped elastic arch member (7), the tail end of the elastic member (7) is connected with the upper surface of the side constraint plate (5), a micro-scale pressing block (9) is arranged on the upper end of the detection plate (4), a micro-scale pressing block (9) is connected with the micro-scale pressing block (41), and the elastic binding piece (41) is positioned at the outer side of the power end of the first miniature hydraulic telescopic rod (8), the top of the friction pad is provided with a recess, the inside of the recess is embedded with a miniature camera, and the height value of the miniature camera is smaller than the depth value of the recess.
2. The steel structure net shell welding positioning device according to claim 1, wherein the initial elastic action of the elastic arch piece (7) is not smaller than the gravity of the side constraint plate (5), and the projection of the side constraint plate (5) in the vertical direction is positioned on the outer side of the supporting base plate (1) when the side constraint plate is in a vertical state with the detection plate (4).
3. The steel structure reticulated shell welding positioning device according to claim 1, wherein the positioning piece further comprises a bearing frame (13), an annular groove is formed in the surface of the bearing frame (13), a telescopic moving piece (10) is slidably connected to the inside of the annular groove, a telescopic fixed piece (11) is fixedly arranged on the surface of the bearing frame (13), the telescopic moving piece (10) and the telescopic fixed piece (11) are arranged at the same height, moving ends of the telescopic moving piece (10) and the telescopic fixed piece (11) are detachably connected with the surface of one side, deviating from the adjusting frame (2), of the supporting base plate (1), the telescopic moving piece (10) and the telescopic fixed piece (11) are of a structure with adjustable length, a servo motor (12) is arranged on one side of the bearing frame (13), and the servo motor (12) is in transmission connection with the surface of the bearing frame (13) through gears.
4. The steel structure net shell welding positioning device according to claim 1, wherein a follow-up groove (31) is formed in the surface of the double-shaft driving motor (3), an electric telescopic bracket is connected inside the follow-up groove (31) in a sliding mode, and a power end of the electric telescopic bracket is movably connected with the surface of a first miniature hydraulic telescopic rod (8).
5. The steel structure net shell welding positioning device according to claim 3, wherein a second miniature hydraulic telescopic rod (14) is mounted on the back surface of the supporting base plate (1), a sliding block (15) which is fixedly connected with the power end of the second miniature hydraulic telescopic rod (14) and is arranged in a groove at the bottom of the detection plate (4) is fixedly connected with the power end of the second miniature hydraulic telescopic rod, the cross section size of the sliding block (15) is smaller than that of the detection plate (4), the bottom surface of the sliding block (15) protrudes out of the bottom surface of the detection plate (4), and the two end points of the displacement of the sliding block (15) are located on one side, deviating from the double-shaft driving motor (3), of the pressing block (9).
6. The steel structure net shell welding positioning device according to claim 5, further comprising a detection system, wherein the detection system comprises a processor arranged on a bearing frame (13), an input module, a measurement module, a correction module and a constraint positioning module are connected to the processor, the input module is used for inputting diameter values of a warp arc section (001) and a weft arc section (002), the measurement module comprises a pressure sensing plate arranged in a friction pad and used for measuring the placement states of the warp arc section (001) and the weft arc section (002) on the surface of the bearing bottom plate (1), the correction module is in signal connection with a first miniature hydraulic telescopic rod (8), a second miniature hydraulic telescopic rod (14) and an electric telescopic support and used for correcting the placement states of the warp arc section (001) and the weft arc section (002), and the constraint positioning module is in signal connection with a second output shaft of the double-shaft driving motor (3) and used for switching the working states of the side constraint plate (5).
7. The steel structure net shell welding positioning device according to claim 5, wherein the connection mode of the power end of the second miniature hydraulic telescopic rod (14) and the sliding block (15) is replaced by rotary connection, the power end of the second miniature hydraulic telescopic rod (14) is connected with a servo motor (16), and the output end of the servo motor (16) is connected with the surface of the sliding block (15) through a shaft rod.
8. The welding and positioning device for the steel structure net shell of claim 7, wherein the sliding block (15) is located at one side, close to the side constraint plate (5), of the detection plate (4) in an initial state, and the servo motor (16) is electrically connected with the second miniature hydraulic telescopic rod (14).
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| CN202411560087.8A CN119057370B (en) | 2024-11-04 | 2024-11-04 | A steel structure lattice shell welding positioning device |
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| CN202411560087.8A CN119057370B (en) | 2024-11-04 | 2024-11-04 | A steel structure lattice shell welding positioning device |
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| CN119057370B CN119057370B (en) | 2025-01-24 |
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| CN119057370B (en) | 2025-01-24 |
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