CN215658692U - Positioning and pre-welding device for steel structure frame - Google Patents

Abstract

The application relates to the technical field of welding of steel structure frames, in particular to a positioning and pre-welding device of a steel structure frame, which comprises a first frame and a second frame, wherein the first frame and the second frame are both arranged on the ground, the top surface of the first frame is provided with an installation platform, a straight pipe conveying device and a straight pipe positioning device are arranged on the installation platform, the straight pipe conveying device is used for conveying straight pipes, the straight pipe positioning device is used for controlling and positioning the conveying direction of the straight pipes, the second frame is positioned above the first frame, a space for the straight pipes to pass through is reserved between the top of the first frame and the bottom of the second frame, the top surface of the second frame is provided with a fixed platform, the top surface of the fixed platform is fixedly provided with a support and an intermediate pipe moving device, the support is positioned at the short edge of the fixed platform, the intermediate pipe moving device is used for transferring and positioning the intermediate pipes between the two straight pipes, in order to improve the positioning and pre-welding precision and the production efficiency of the steel structure frame, the application provides a steel structural framework's location prewelding device.

Description

Positioning and pre-welding device for steel structure frame

Technical Field

The application relates to the technical field of welding and assembling of steel structure frames, in particular to a positioning and pre-welding device of a steel structure frame.

Background

The steel structure frame generally comprises straight pipes and intermediate pipes, wherein a plurality of intermediate pipes are welded between the two straight pipes to form the steel structure frame, in the traditional steel structure frame machining process, in order to install the intermediate pipes on the straight pipes in a positioning mode, people usually firstly measure a limited distance on the two straight pipes by using a straight ruler, then use a crane to move the intermediate pipes between the two straight pipes, and connect and fix the two back end faces of the intermediate pipes on the opposite side faces of the two straight pipes in a spot welding mode.

Under the general condition, when the staff was fixing a position the intermediate tube, because steel structural framework is very heavy, the staff was very difficult to be through the manpower with straight tube or intermediate tube shift position, perhaps, when application gallows removed intermediate tube or straight tube, equally difficult accomplish accurate positioning, lead to the condition that intermediate tube and straight tube positioning weld precision are not enough, simultaneously, make staff's work load big and production efficiency low.

SUMMERY OF THE UTILITY MODEL

In order to make steel construction frame's location preweld more accurate, reduce staff's work load, this application provides a steel construction frame's location preweld device, can use manpower sparingly and manufacturing cost, has improved steel construction frame welded production efficiency.

The application provides a pair of steel construction frame's location prewelding device adopts following technical scheme:

a positioning and pre-welding device of a steel structure frame comprises a first frame and a second frame, wherein the first frame and the second frame are both arranged on the ground, the top surface of the first frame is provided with an installation platform, the top surface of the installation platform is provided with a straight pipe conveying device, the straight pipe conveying device is used for conveying straight pipes as a power source, the top surface of the installation platform is provided with a straight pipe positioning device, the straight pipe positioning device is used for carrying out handle control and positioning on the conveying direction of the straight pipes on the installation platform, the second frame is positioned above the first frame, a space for the straight pipes to pass through is reserved between the top of the first frame and the bottom of the second frame, the top surface of the second frame is provided with a fixed platform, the top surface of the fixed platform is fixed with a support, the support is positioned at the position of the short side of the fixed platform, and the top of the fixed platform is provided with a middle pipe moving device, the intermediate pipe moving device is used for transferring and positioning the intermediate pipe between the two straight pipes.

Through adopting above-mentioned technical scheme, the straight tube can be transported through straight tube conveyor, fixes a position through straight tube positioner to, the intervalve can carry and fix a position through intervalve mobile device, specifically, intervalve mobile device can shift the intervalve location to the relative lateral wall of straight tube on, makes steel frame's positioning prewelding more accurate, has improved steel frame welded production efficiency.

Preferably, the straight pipe transfer device includes: the roller seat is arranged on the top surface of the mounting platform; the fifth driving motor is arranged on the side wall of the roller seat; the roller is assembled at the output end of the fifth driving motor; the roller seat is arranged on the top surface of the mounting platform; a carrier roller force arm rotatably connected to the side wall of the carrier roller seat; the roller is sleeved on the roller force arm, the output end of the fifth driving motor points to the side wall of the roller seat, and the roller is located in the middle of the roller seat.

Through adopting above-mentioned technical scheme, fifth driving motor provides power for the straight tube transportation in, and the roller setting then plays the traction to the straight tube at fifth driving motor's output, and simultaneously, in the straight tube transportation, the setting of bearing roller can play auxiliary transmission's effect to the straight tube.

Preferably, the straight pipe positioning device includes: the limiting seat is arranged at the top of the mounting platform; the first pressing arm is arranged on the side surface of the limiting seat; the adjusting pressure rod is arranged in the middle of the first pressing arm and is in threaded connection with the first pressing arm; the first stop block is arranged at the top of the limiting seat and on one side opposite to the first pressing arm; the pressing seat is arranged at the top of the mounting platform and is positioned at the input end of the limiting seat; the second pressing arm is arranged on the side surface of the pressing seat; the second stop block is arranged at the top of the pressing seat and on the side opposite to the second pressing arm; a third driving cylinder assembled on the side wall of the first pressing arm; and the first driving cylinder is assembled on the outer side wall of the second pressing arm.

Through adopting above-mentioned technical scheme, under the combined action of adjusting depression bar and first dog, can adjust the movement track of straight tube, the setting of second pressure arm and second dog can be to the further location of straight tube, through utilizing first drive actuating cylinder to adjust the position difference of straight tube as the power supply, has reduced staff's work load effectively, has also improved the conveying efficiency and the positioning accuracy of straight tube simultaneously.

Preferably, the intermediate pipe moving device includes: the middle pipe conveying assembly is arranged on the top surface of the fixed platform and used for conveying middle pipes; the frame cross beam is movably arranged at the top of the fixed platform and positioned above the middle pipe conveying assembly; the electromagnet is movably arranged at the bottom of the frame cross beam; the first driving assembly is arranged on the frame cross beam and used for driving the electromagnet to perform vertical displacement; and the second driving assembly is arranged on the frame cross beam and used for driving the frame cross beam to move along the conveying direction of the steel structure frame.

Through adopting above-mentioned technical scheme, the setting of intermediate pipe conveying subassembly can carry and fix a position the intermediate pipe, and under the circumstances of circular telegram, the intermediate pipe can be held to the electro-magnet, under the combined action of electro-magnet and first drive assembly, can drive the electro-magnet linkage intermediate pipe and carry out the displacement in vertical direction, and the setting of second drive assembly can drive the direction removal that the frame crossbeam carried along steel structural framework.

Preferably, the intermediate pipe transfer assembly comprises: the chain guide rail is arranged at the top of the fixed platform; a driving shaft rotatably connected to the side wall of the chain guide; the second driving motor is arranged at the top of the fixed platform and close to the tail end of the chain guide rail; a driving sprocket assembled at an output end of the second driving motor; a first driven sprocket mounted at one end of the drive shaft; the transmission chain is assembled with the driving chain wheel at one end and the first driven chain wheel at the other end; second driven sprockets mounted at both end positions of the driving shaft; the third driven chain wheel is arranged at one end of the chain guide rail, which is far away from the second driven chain wheel; the conveying chain is arranged at the top of the chain guide rail; the barrier strips are arranged at the top of the fixed platform and close to two opposite side surfaces of the conveying chain; the conveying chain is wound and meshed on the driving chain wheel and the third driven chain wheel, and the conveying direction of the conveying chain is consistent with the conveying direction of the straight pipe.

Through adopting above-mentioned technical scheme, under second driving motor's drive, second driving motor can drive the driving chain and rotate on drive sprocket and first driven sprocket, through drive shaft connection first driven sprocket and second driven sprocket, when drive sprocket rotates, first driven sprocket and second driven sprocket also can move simultaneously, setting through third driven sprocket, when second driven sprocket moves, the conveying chain of winding meshing on third driven sprocket and second driven sprocket also can move, make well pipe rotate along the direction of motion of straight tube on the conveying chain, the setting of blend stop makes well pipe can fix a position by oneself, the working strength of staff's artifical transport well pipe has been reduced, the positioning accuracy of well pipe has been improved simultaneously.

Preferably, the first drive assembly comprises: a third driving motor mounted on the frame beam; a second driving gear assembled at an output end of the third driving motor; the linkage shaft is fixedly connected to the frame cross beam; the first driven gear is fixedly connected to one end, close to the second driving gear, of the linkage shaft; and the second driven gear is arranged at the tail ends of two back sides of the linkage shaft, the first driven gear is meshed with the second driving gear, a first straight-tooth guide rail is vertically arranged at the top of the electromagnet and penetrates through the frame beam, and the first straight-tooth guide rail is meshed with the second driven gear.

Through adopting above-mentioned technical scheme, under the drive of third driving motor, through setting up the fixed first driven gear of link shaft connection, first driven gear meshes with the second driving gear mutually and drives the universal driving shaft and the operation of first driven gear, through vertically installing first straight tooth guide rail at the electro-magnet top, and at the second driven gear of the double-phase back of the body end position department of universal driving shaft, second driven gear meshes with first straight tooth guide rail mutually and makes the intermediate pipe do the ascending motion of vertical direction under the effect of holding of electro-magnet, thereby carry out the transmission of vertical direction to the intermediate pipe.

Preferably, the second drive assembly comprises: a fourth driving motor mounted on the frame beam; a third driving gear assembled at an output end of the fourth driving motor; the rolling shaft is fixedly connected to the frame cross beam; the third driven gear is fixedly connected to one end, close to the third driving gear, of the rolling shaft; and the fourth driven gear is arranged at the position of the two back ends of the rolling shaft, the third driven gear is meshed with the third driving gear, a second straight-tooth guide rail is fixed at the top of the bracket, the extension direction of the second straight-tooth guide rail is parallel to the conveying direction of the steel structure frame, and the fourth driven gear is meshed with the second straight-tooth guide rail.

Through adopting above-mentioned technical scheme, under the drive of fourth drive motor, connect fixed third driven gear through setting up the roller bearing, third driven gear meshes with the third driving gear mutually and drive roller bearing and third driven gear operation, through installing the straight-tooth guide rail of second at the support top to and roll the fourth driven gear of two back of the body tip positions department, fourth driven gear meshes with the straight-tooth guide rail of second mutually and makes the frame crossbeam remove along the direction that steel construction frame carried.

Preferably, a first lath and a second lath are installed at the top of the installation platform, the extending directions of the first lath and the second lath are consistent with the conveying direction of the steel structure frame, the second lath is close to one side of the inner wall of the first lath, a first positioning plate is installed at the top of the first lath, a second positioning plate is installed at the top of the first lath, the second positioning plate is located on the extending direction of the first positioning plate, the distance between the first positioning plate and the second positioning plate is matched with the width dimension of the middle tube, a positioning column is arranged at the top of the second lath, and one side, away from the input end of the straight tube, of the positioning column is parallel to the first positioning plate.

By adopting the technical scheme, the middle pipe can be clamped by the first positioning plate and the second positioning plate, the stability during welding between the middle pipe and the straight pipe is improved, the end face of the positioning column can be attached to the side face, close to the middle pipe, of the middle pipe, and the positioning accuracy and the connection performance between the middle pipe and the straight pipe are improved.

Preferably, the roof support is installed to the relative inner wall of first frame, roof support bottom surface is installed the second and is driven actuating cylinder, the ejector pin is installed to roof support's top surface, the second drive actuating cylinder the output with the ejector pin is assembled mutually, the top position of ejector pin is installed and is removed the roof, the second drives actuating cylinder drive ejector pin and carries out ascending displacement of vertical side, and then drives remove the roof and do the ascending motion of vertical side.

Through adopting above-mentioned technical scheme, can be with placing the intermediate tube jack-up on removing the roof under the effect of second drive actuating cylinder and ejector pin, after the staff accomplished the welding of straight tube and intermediate tube, the intermediate tube can move forward in the linkage straight tube under the thrust effect of follow-up straight tube.

Preferably, the ground guide rail is installed to the intermediate position of first frame, first driving motor is installed to first frame inner wall, first driving motor is in the top of ground guide rail, first driving motor's output is equipped with first driving gear, straight-tooth track is installed at the top of ground guide rail, straight-tooth track is mutually perpendicular with the direction of delivery of straight tube, first driving gear with straight-tooth track meshes mutually, the ground track is installed to the intermediate position of first frame, the slider is installed to the bottom of first frame, the slider with ground track top slides mutually and is connected.

Through adopting above-mentioned technical scheme to a driving motor is as the power supply, meshes with straight-tooth track mutually through first driving gear, can adjust the position distance at first frame middle part, makes not unidimensional intermediate tube equally can the block between first locating plate and locating plate, thereby the adaptation unidimensional intermediate tube welds not unidimensional intermediate tube on the straight tube.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the straight pipe can be transported through the straight pipe conveying device, the straight pipe is positioned through the straight pipe positioning device, and the middle pipe moving device can transfer and position the middle pipe to the opposite side walls of the straight pipe, so that the positioning and pre-welding of the steel structure frame are more accurate, and the production efficiency of the welding of the steel structure frame is improved;

2. the setting of intermediate pipe conveying assembly can carry and fix a position the intermediate pipe, and under the circumstances of circular telegram, the intermediate pipe can be held to the electro-magnet, under the combined action of electro-magnet and first drive assembly, can drive the displacement is carried out to the pipe in the middle of the electro-magnet linkage in vertical direction, and second drive assembly's setting can drive the frame crossbeam removes along the direction that steel structural framework carried, has improved production efficiency.

Drawings

FIG. 1 is a schematic overall structure diagram of a positioning and pre-welding device for a steel structure frame in the embodiment of the application.

FIG. 2 is a front view of the positioning and pre-welding device for the steel structure frame in the embodiment of the application.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is an enlarged view of B and C in fig. 2.

Fig. 5 is an enlarged view of D in fig. 2.

Description of reference numerals: 111. a carrier roller seat; 112. a carrier roller; 113. a roller arm; 114. blocking edges; 12. a roller base; 13. a fifth drive motor; 14. a roller; 15. cushion blocks; 2. a first frame; 21. a limiting seat; 211. adjusting the pressure lever; 212. a first pressing arm; 213. a first stopper; 214. a first straight pipe cushion block; 215. a third driving cylinder; 22. a pressing seat; 221. a second pressing arm; 222. a second stopper; 223. a second straight pipe cushion block; 224. a first driving cylinder; 23. a fixed seat; 231. a catch arm; 232. a third stopper; 233. a third straight pipe cushion block; 241. a first positioning plate; 242. a second positioning plate; 243. a positioning column; 244. a first panel; 245. a second panel; 251. a first drive motor; 252. a first drive gear; 253. a straight tooth track; 254. a ground guide rail; 255. a ground track; 256. a slider; 261. a second driving cylinder; 262. a roof support; 263. moving the top plate; 264. a top rod; 27. mounting a platform; 3. a second frame; 31. a second drive motor; 321. a drive shaft; 322. a drive sprocket; 323. a first driven sprocket; 324. a second driven sprocket; 325. a chain guide; 326. a third driven sprocket; 327. a drive chain; 33. a conveyor chain; 34. blocking strips; 35. a fixed platform; 351. a support; 36. an electromagnet; 37. a first straight-tooth guide rail; 38. a third drive motor; 391. a second driving gear; 392. a first driven gear; 393. a linkage shaft; 394. a second driven gear; 40. a second straight-tooth guide rail; 41. a fourth drive motor; 421. a third driving gear; 422. a third driven gear; 423. a roller; 424. a fourth driven gear; 5. a frame beam.

Detailed Description

In order to make the purpose, technical solution and advantages of the present application more clear, the present application is further described in detail below with reference to fig. 1 to 4 and the embodiments.

The embodiment of the application discloses steel structural frame's location prewelding device.

Referring to fig. 1, a positioning and pre-welding device for a steel structure frame comprises a first frame 2 and a second frame 3, wherein the first frame 2 and the second frame 3 are both installed on the ground through bolts, the number of the first frame 2 is two, the two first frames 2 are arranged in parallel, a mounting platform 27 is installed on the top surface of the first frame 2, the length dimension of the mounting platform 27 is consistent with that of the first frame 2, in the embodiment of the application, the second frame 3 is located above the two first frames 2, the second frame 3 spans the two first frames 2, and a space for a straight pipe to pass through is reserved between the top of the first frame 2 and the bottom of the second frame 3.

Referring to fig. 1, a roller holder 12 is fixed on the top surface of a mounting platform 27, two roller holders 12 are arranged on one mounting platform 27, there are four roller holders 12 on two mounting platforms 27, the roller holders 12 on the same mounting platform 27 are respectively located at the input end and the output end of the mounting platform 27, wherein a fifth driving motor 13 is installed on the side wall of the roller holder 12, a roller 14 is rotatably connected in the roller holder 12, the axial extension direction of the roller 14 is consistent with the output end direction of the fifth driving motor 13, the roller 14 is assembled with the output shaft of the fifth driving motor 13, the fifth driving motor 13 can drive the roller 14 to rotate, and a straight pipe on the cylindrical surface of the roller 14 can be driven by the rotation of the roller 14 to transmit.

The top surface of the mounting platform 27 is also fixed with two cushion blocks 15, two cushion blocks 15 are arranged on one mounting platform 27, similarly, four cushion blocks 15 are arranged on the two mounting platforms 27, wherein one cushion block 15 on the same mounting platform 27 is positioned behind the roller seat 12 at the input end of the mounting platform 27, the other cushion block 15 is positioned in front of the roller seat 12 at the output end of the mounting platform 27, and the top surface of the cushion block 15 and the conveying surface of the roller 14 are positioned on the same horizontal plane.

In order to assist the transport of the straight pipe, a plurality of roller holders 111 are mounted on the mounting platform 27, the number of roller holders 111 being determined as the case may be, and in this embodiment, six roller holders 111 are provided on one mounting platform 27, correspondingly, twelve carrier roller seats 111 are arranged on the two mounting platforms 27, the carrier roller seats 111 on the single mounting platform 27 are arranged at equal distance, the carrier roller seats 111 on the two mounting platforms 27 are arranged oppositely, the lateral wall at bearing roller seat 111 rotates and is connected with the bearing roller arm of force 113, simultaneously, is equipped with the reset torsion spring between bearing roller arm of force 113 and bearing roller seat 111, and the cover is established on the bearing roller arm of force 113 and is equipped with bearing roller 112, and the outer wall of bearing roller 112 is close to bearing roller arm of force 113 one side and installs flange 114 (refer to fig. 5), and bearing roller 112 can rotate on bearing roller arm of force 113, and flange 114 can avoid the skew orbit of straight tube in the transportation to a certain extent.

Referring to fig. 1 and 2, a limiting seat 21 is installed on the top surface of the installation platform 27, the limiting seat 21 is respectively provided with one on one installation platform 27, the limiting seat 21 is located at a position between the cushion block 15 and the roller seat 111, a first pressing arm 212 is installed on one side of the limiting seat 21, a thread is formed on the inner wall of an opening of the first pressing arm 212, an adjusting pressing rod 211 is arranged at the opening of the first pressing arm 212 in a penetrating mode, the outer wall of the adjusting pressing rod 211 is also provided with a thread, the first pressing arm 212 is connected with the adjusting pressing rod 211 through the thread, and therefore the length of the adjusting pressing rod 211 can be manually adjusted along the direction of the rod wall.

Keep away from one side of adjusting depression bar 211 on spacing seat 21 and install first dog 213, first dog 213 sets up with spacing seat 21 is mutually perpendicular, install first straight tube cushion 214 at the top surface of spacing seat 21, first straight tube cushion 214 highly is less than the height that cushion 15 apart from ground apart from the height on ground, form the space that supplies the straight tube to alternate between first dog 213 and the first pressure arm 212, make cushion 15 and spacing seat 21 form the difference in height, make the straight tube transition from cushion 15 top surface to the top surface of first straight tube cushion 214 can be comparatively steady.

One end of the adjusting pressure rod 211 close to the first straight pipe cushion block 214 is provided with a rubber gasket, the outer side wall of the first pressing arm 212 is provided with a third driving cylinder 215, and the output end of the third driving cylinder 215 is consistent with the movement direction of the first pressing arm 212.

The third driving cylinder 215 drives the first pressing arm 212 to reciprocate, so that the included angle between the first pressing arm 212 and the first straight pipe cushion block 214 can be adjusted, and the rubber cushion block 15 on the adjusting pressing rod 211 is pressed on the top surface of the straight pipe, so that the straight pipe can be positioned and adjusted.

In order to further position the straight pipe, the top surface of the mounting platform 27 is provided with the pressing seats 22, the number of the pressing seats 22 is determined according to the situation, in the embodiment of the present application, the pressing seats 22 are located in the direction of the output end of the roller seat 111, three pressing seats 22 are respectively arranged on one mounting platform 27, correspondingly, six pressing seats 22 are arranged on two mounting platforms 27, the pressing seats 22 on a single mounting platform 27 are arranged at equal intervals, and the pressing seats 22 on two mounting platforms 27 are arranged oppositely.

The lateral wall that compresses tightly on the seat 22 installs second compressing arm 221, compress tightly and install second dog 222 on the seat 22, second compressing arm 221 lays with second dog 222 relatively, one side that is close to second dog 222 on the second compressing arm 221 lateral wall has seted up positioning groove, positioning groove's setting can reduce concentrated stress, the top that second compresses tightly arm 221 and is close to one side of second straight tube cushion 223 installs the locating piece equally, second compressing arm 221 can form the space that supplies the straight tube to alternate with second dog 222.

The top surface that compresses tightly the seat is installed second straight tube cushion 223, and second straight tube cushion 223 is the rectangle piece, compresses tightly the lateral wall of arm 221 at the second and is equipped with first actuating cylinder 224, and the output of first actuating cylinder 224 is unanimous with the direction of motion of second pressure arm 221.

The second pressing arm 221 is driven to reciprocate by the first driving cylinder 224, so that the included angle between the second pressing arm 221 and the second straight pipe cushion block 223 can be adjusted, the side wall of the straight pipe is clamped through the positioning clamping groove, the positioning block is pressed on the upper surface of the straight pipe, and the straight pipe can be further positioned and adjusted.

Referring to fig. 1, the fixing seats 23 are installed on the top surface of the installation platform 27, the number of the fixing seats 23 is determined according to the situation, in the embodiment of the present application, the fixing seats 23 are located in the direction of the output end of the roller seat 111, three fixing seats 23 are respectively installed on one installation platform 27, correspondingly, six fixing seats 23 are installed on two installation platforms 27, the fixing seats 23 on a single installation platform 27 are arranged at equal intervals, the fixing seats 23 on two installation platforms 27 are arranged right opposite to each other, and on the same installation platform 27, the fixing seats 23, the roller seat 111 and the pressing seat 22 are alternately arranged.

In order to enable the straight pipes to be more stable in the transportation process, a blocking arm 231 is fixedly installed on one side of the fixing seat 23, a third blocking block 232 is installed on one side, far away from the blocking arm 231, of the fixing seat 23, a third straight pipe cushion block 233 is installed between the third blocking block 232 and the blocking arm 231, and the third straight pipe cushion block 233 is arranged at the same height as the first straight pipe cushion block 214 and the second straight pipe cushion block 223.

The arrangement of the fixing seat 23 provides more support points for the straight pipe during transportation, and the blocking arm 231 and the third blocking block 232 on the fixing seat 23 further clamp the straight pipe, so that the straight pipe can stably move along the conveying direction of the straight pipe.

Referring to fig. 1 and 2, a first plate 244 and a second plate 245 are installed on the top of each installation platform 27, in this application, a first plate 244 and a second plate 245 are installed on each installation platform 27, the second plate 245 is located at the inner side of the first plate 244, the extending direction of the first plate 244 and the extending direction of the second plate 245 are consistent with the transporting direction of the straight pipe, a first positioning plate 241 is installed on the top of the first plate 244, and a second positioning plate 242 is installed on the top of the first plate 244, in this application, on the same first plate 244, the number of the first positioning plate 241 and the number of the second positioning plate 242 are seven, the first positioning plate 241 and the second positioning plate 242 are arranged equidistantly, the first positioning plates 241 on two first plates 244 are arranged oppositely, and similarly, the second positioning plates 242 on two first plates 244 are also arranged oppositely, the distance between the first positioning plate 241 and the second positioning plate 242 is matched with the width of the middle tube, the middle tube can be placed just by the structures of the first positioning plate 241 and the second positioning plate 242, the position of the middle tube is fixed, and the middle tube can be fixed conveniently.

Referring to fig. 2 and 3, in the embodiment of the present invention, a fixed platform 35 is installed at a top position of the second frame 3, the fixed platform 35 is rectangular, a chain guide 325 is installed on a top surface of the fixed platform 35, and the number of the chain guides 325 may be two.

The lateral wall of chain guide 325 rotates and is connected with drive shaft 321, second driving motor 31 is installed to the top position of mounting platform 27, second driving motor 31 is located the terminal position department that is close to chain guide 325, the output of second driving motor 31 is equipped with drive sprocket 322, the one end fixed mounting of drive shaft 321 has first driven sprocket 323, driving chain 327 is installed at the top of mounting platform 27, driving chain 327 is located and is close to chain guide 325 inner wall one side, two terminal position departments of drive shaft 321 are overlapped respectively and are equipped with second driven sprocket 324, the one end of keeping away from second driven sprocket 324 at chain guide 325 is provided with third driven sprocket 326 equally, install conveying chain 33 respectively at the top position of chain guide 325, the length dimension of conveying chain 33 is longer than the length dimension of driving chain 327.

The second driving motor 31 can drive the driving sprocket 322 to rotate, and meanwhile, the driving sprocket 322 and the first driven sprocket 323 are connected in a matching manner through the transmission chain 327, and the first driven sprocket 323 is fixed on the driving shaft 321, so that the driving shaft 321 can be driven to rotate by the rotation of the second driving motor 31, and the second driven sprocket 324 is further installed on the driving shaft 321, and the second driven sprocket 324 and the third driven sprocket 326 can be assembled by the conveying chain 33, so that the conveying chain 33 can be driven to rotate by the rotation of the driving shaft 321, and the middle pipe placed on the chain guide rail 325 can be transported.

The two opposite side surfaces of the chain guide rail 325 and the fixed platform 35 are respectively provided with a barrier strip 34, the middle pipe is matched with the conveying chain 33 at the second driving motor 31 for conveying, and when the two ends of the middle pipe are abutted against the barrier strips 34, the barrier strips 34 can prevent the middle pipe from continuously moving forwards, so that the barrier strips 34 can position the middle pipe.

Referring to fig. 1 and 2, in the embodiment of the present application, a rack beam 5 is movably disposed at a top position of a fixed platform 35, the rack beam 5 spans the whole fixed platform 35, an electromagnet 36 is installed at a bottom of the rack beam 5, the electromagnet 36 is a rectangular block, a third driving motor 38 is installed on the rack beam 5, an output end of the third driving motor 38 is equipped with a second driving gear 391, the rack beam 5 is connected with a linkage shaft 393, first driven gears 392 are installed at two opposite ends of the linkage shaft 393 close to the second driving gear 391, and the first driven gears 392 are engaged with the second driving gear 391.

Two back ends of the linkage shaft 393 far away from the first driven gear 392 are provided with a second driven gear 394, a first straight-tooth guide rail 37 is vertically arranged at the top position of the electromagnet 36, the first straight-tooth guide rail 37 penetrates through the frame cross beam 5, the first straight-tooth guide rail 37 is meshed with the second driven gear 394, when the electromagnet is electrified, the third driving motor 38 drives the second driving gear 391, the linkage shaft 393 is arranged to be connected and fixed with the first driven gear 392, the first driven gear 392 is meshed with the second driving gear 391 to drive the linkage shaft 393 and the first driven gear 392 to run, the first straight-tooth guide rail 37 is vertically arranged at the top of the electromagnet 36, and the second driven gear 394 is arranged at the two back ends of the linkage shaft 393, the second driven gear 394 is meshed with the first straight-tooth guide rail 37 to enable the middle tube to move in the vertical direction under the suction effect of the electromagnet 36, thereby vertically transporting the intermediate pipe.

Referring to fig. 1 and 4, in the embodiment of the present application, a fourth driving motor 41 is mounted on the frame beam 5, an output end of the fourth driving motor 41 is equipped with a third driving gear 421, a roller 423 is fixedly connected to the frame beam 5, third driven gears 422 are respectively mounted on the roller 423 near two opposite ends of the third driving gear 421, there are two third driven gears 422, the third driven gears 422 and the third driving gear 421 are both cone-shaped teeth, and the third driven gears 422 are meshed with the third driving gear 421.

The two back end positions of the roller 423 are respectively provided with a fourth driven gear 424, the number of the fourth driven gears 424 is two, the short side position of the fixed platform 35 is vertically provided with a support 351, the top position of the support 351 is fixedly provided with a second straight-tooth guide rail 40, and the extending direction of the second straight-tooth guide rail 40 is parallel to the conveying direction of the steel structure frame.

The third driving gear 421 is driven by the fourth driving motor 41, the third driven gear 422 is fixedly connected by the roller 423, the third driven gear 422 is meshed with the third driving gear 421 to drive the roller 423 and the third driven gear 422 to operate, and the rack beam 5 moves along the conveying direction of the steel structure frame by installing the second straight-tooth guide rail 40 at the top of the bracket 351 and the fourth driven gear 424 at the two back end positions of the roller, and the fourth driven gear 424 is meshed with the second straight-tooth guide rail 40.

Referring to fig. 1 and 2, the top surface of the second strip 245 is provided with positioning pillars 243, the positioning pillars 243 are cylindrical bodies, in the embodiment of the present application, seven positioning pillars 243 are provided on the same second strip 245, one side of the positioning pillars 243 away from the input end of the straight tube is flush with the first positioning plate 241, when the middle tube can be placed between the first positioning plate 241 and the second positioning plate 242 by the suction effect of the electromagnet 36, the end surface of the positioning pillar 243 close to the middle tube is attached to the middle tube.

In addition, the fifth driving motor 13 is used as a power source to drive the roller 14 to drive the straight pipe to be conveyed forwards, and the straight pipe is conveyed to the two back side surfaces of the middle pipe under the traction action of the carrier roller 112, when the two opposite surfaces of the straight pipe are attached to the two back end surfaces of the middle pipe, a worker can weld and fix the middle pipe and the two straight pipes together in a manual spot welding mode.

The top surface of the mounting platform 27 is provided with a top plate support 262, the top plate support 262 is positioned at two opposite side surfaces of the first frame 2, the cross section of the top plate support 262 is inverted U-shaped, the top of the top plate support 262 is provided with a push rod 264, the push rod 264 is a cylinder, the number of the top plate support 262 and the number of the push rod 264 can be set according to actual conditions, in the embodiment of the application, the number of the top plate support 262 and the push rod 264 are four, the top of the push rod 264 is provided with a movable top plate 263, the length of the movable top plate 263 is consistent with that of the first frame 2, one side of the top plate support 262 close to the ground is provided with a second driving cylinder 261, when a worker finishes welding the middle pipe and the two straight pipes, the push rod 264 can move up and down through the second driving cylinder 261, meanwhile, under the combined action of the fifth driving motor 13 and the carrier roller 112, forward thrust of the subsequent straight pipe is utilized, so that the straight pipe can continue to move forward while the middle pipe is jacked up.

Referring to fig. 2, in the present embodiment, a ground guide 254 is installed at a middle position on the first frame 2, and the number of the ground guide 254 can be set according to actual conditions, in the present embodiment, there is one ground guide 254, the ground guide 254 is fixedly connected to the ground through a bolt, a first driving motor 251 is installed at a top position of the ground guide 254, the first driving motor 251 is fixedly connected to an inner wall of the first frame 2, an output end of the first driving motor 251 is equipped with a first driving gear 252, a straight-tooth rail 253 is installed at a middle position of a top surface of the ground guide 254, and an extending direction of the straight-tooth rail 253 is perpendicular to a conveying direction of the straight pipe.

The middle position of the first frame 2 is further provided with two ground tracks 255, the number of the ground tracks 255 can be set according to actual conditions, in the embodiment of the present application, the ground tracks 255 are distributed in a bilateral symmetry manner by taking the ground guide rails 254 as a central axis, the top position of the ground tracks 255 is provided with the slide block 256, the slide block 256 is movably engaged with the ground tracks 255, one slide block 256 is respectively arranged on one ground track 255 in a bilateral symmetry manner, the first driving motor 251 is taken as a power source and can drive the first driving gear 252 and the straight tooth track 253 to be engaged with each other and rotate, and the slide block 256 can be close to or far away from the middle position along the ground tracks 255, so that the distance between the first frames 2 can be adjusted, and the clamping of middle pipes with different lengths can be adapted.

The implementation principle of the positioning and pre-welding device for the steel structure frame is as follows:

the roller 14 can be driven to rotate under the driving of the fifth driving motor 13, the straight pipe is positioned on the cylindrical surface of the roller 14 and can be transmitted by the rotation of the roller 14, and the straight pipe can be pulled to be transmitted forwards all the time by the transfer of the carrier rollers 112.

The regulation depression bar 211 and the first dog 213 on spacing seat 21 can carry out centre gripping and location regulation to the straight tube, and compress tightly the motion trail that second pressing arm 221 and second dog 222 on the seat 22 can further inject the straight tube, a plurality of fixing bases 23 provide the strong point for the straight tube transportation, more steady during making the straight tube transmission, and keep off arm 231, third dog 232 then is further centre gripping and location regulation to the straight tube, make the straight tube can fix a position the accuracy, and transmit along same direction.

Under the driving of the second driving motor 31, the driving chain 327 can rotate on the driving sprocket 322 and the first driven sprocket 323, and the driving shaft 321 connects the first driven sprocket 323 and the second driven sprocket 324 together, so that the first driven sprocket 323 and the second driven sprocket 324 can operate simultaneously, and the conveying chain 33 wound and engaged on the third driven sprocket 326 and the second driven sprocket 324 can operate, so that the intermediate pipe can rotate on the conveying chain 33 along the moving direction of the straight pipe.

Under the drive of the third driving motor 38, and through the engagement of the first driven gear 392 and the second driving gear 391, the second driven gear 394 connected to the linkage shaft 393 is also driven to operate, and when the second driven gear 394 is engaged with the first straight-tooth guide rail 37, the electromagnet 36 can suck the middle pipe and drive the middle pipe to perform vertical transmission.

Under the driving of the fourth driving motor 41, the third driven gear 422 is engaged with the third driving gear 421 to drive the roller 423 to rotate, the fourth driven gear 424 at the end position of the roller 423 is driven to rotate by the rotation of the roller 423, and the fourth driven gear 424 is engaged with the second straight rack guide 40, so that the frame beam 5 moves along the conveying direction of the steel structural frame.

The middle tube is held by the electromagnet and placed between the first positioning plate 241 and the second positioning plate 242, and when the two back end surfaces of the middle tube and the opposite side surfaces of the two straight tubes are attached to each other, a worker spot-welds the joint of the middle tube and the straight tubes.

The first driving gear 252 is engaged with the straight-tooth track 253 to rotate by the first driving motor 251, and the slider 256 can move toward or away from an intermediate position along the ground track 255, so that the distance between the first frames 2 can be adjusted.

Under the driving of the second driving cylinder 261, the ejector rod 264 can jack up the movable top plate 263 to jack up the middle tube, and the straight tube-middle tube-straight tube which is subjected to spot welding is pushed to move forward under the action of forward pushing force of the subsequent straight tube, so that the positioning and pre-welding of the steel structure frame are more accurate, the labor and the production cost are saved, and the production efficiency of the welding of the steel structure frame is improved.

The above are all preferred embodiments of the present application, and the present embodiment is only explained for the present application, and the protection scope of the present application is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A positioning and pre-welding device for a steel structure frame comprises a first rack (2) and a second rack (3), wherein the first rack (2) and the second rack (3) are both installed on the ground, and the positioning and pre-welding device is characterized in that a mounting platform (27) is arranged on the top surface of the first rack (2), a straight pipe conveying device is arranged on the top surface of the mounting platform (27) and is used for conveying a straight pipe as a power source, a straight pipe positioning device is arranged on the top surface of the mounting platform (27) and is used for controlling and positioning the conveying direction of the straight pipe on the mounting platform (27), the second rack (3) is positioned above the first rack (2), a space for the straight pipe to pass through is reserved between the top of the first rack (2) and the bottom of the second rack (3), a fixing platform (35) is arranged on the top surface of the second rack (3), the top surface of the fixed platform (35) is fixed with a support (351), the support (351) is located at the position of the short side of the fixed platform (35), and the top of the fixed platform (35) is provided with a middle pipe moving device which is used for transferring and positioning the middle pipe between two straight pipes.

2. The tack welding apparatus for steel structural frames as claimed in claim 1, wherein the straight pipe transfer apparatus comprises: a roller seat (12) arranged on the top surface of the mounting platform (27); a fifth driving motor (13) arranged on the side wall of the roller seat (12); a roller (14) assembled at the output end of the fifth driving motor (13); a roller seat (111) arranged on the top surface of the mounting platform (27); a force arm of the carrier roller (112) is rotatably connected to the side wall of the carrier roller seat (111); the support roller (112) is sleeved on the force arm of the support roller (112), the output end of the fifth driving motor (13) points to the side wall of the roller seat (12), and the roller (14) is located in the middle of the roller seat (12).

3. The tack welding apparatus for a steel structural frame as claimed in claim 1, wherein the straight pipe positioning apparatus comprises: a limiting seat (21) arranged at the top of the mounting platform (27); a first pressing arm (212) arranged on the side surface of the limiting seat (21); the adjusting pressure rod (211) is arranged in the middle of the first pressure arm (212) and is in threaded connection with the first pressure arm (212); the first stop block (213) is arranged at the top of the limiting seat (21) and is opposite to the first pressing arm (212); the pressing seat (22) is installed at the top of the installation platform (27) and is positioned at the input end of the limiting seat (21); a second pressing arm (221) installed on the side surface of the pressing seat (22); a second stopper (222) mounted on the top of the pressing base (22) on the side opposite to the second pressing arm (221); a third driving cylinder (215) mounted on a side wall of the first pressing arm (212); a first driving cylinder (224) assembled on the outer side wall of the second pressing arm (221).

4. The tack welding apparatus for steel structural frames as claimed in claim 1, wherein the intermediate pipe moving means comprises: the middle pipe conveying assembly is arranged on the top surface of the fixed platform (35) and used for conveying middle pipes; a frame beam (5) movably arranged on the top of the fixed platform (35) and positioned above the middle pipe conveying assembly; the electromagnet (36) is movably arranged at the bottom of the frame cross beam (5); the first driving assembly is arranged on the frame cross beam (5) and used for driving the electromagnet (36) to perform vertical displacement; and the second driving assembly is arranged on the frame cross beam (5) and used for driving the frame cross beam (5) to move along the conveying direction of the steel structure frame.

5. The tack welding apparatus for steel structural frames as claimed in claim 4, wherein the intermediate pipe transfer assembly comprises: a chain guide (325) mounted on top of the fixed platform (35); a driving shaft (321) rotatably connected to a side wall of the chain guide (325); a second drive motor (31) mounted on the top of the fixed platform (35) near the end of the chain guide (325); a driving sprocket (322) mounted on the output end of the second driving motor (31); a first driven sprocket (323) mounted at one end of the driving shaft (321); a driving chain (327) having one end assembled with the driving sprocket (322) and the other end assembled with the first driven sprocket (323); second driven sprockets (324) mounted at both end positions of the driving shaft (321); a third driven sprocket (326) mounted on the chain guide (325) at an end remote from the second driven sprocket (324); a conveyor chain (33) mounted at a top position of the chain guide (325); the barrier strips (34) are arranged at the top of the fixed platform (35) and are close to two opposite side surfaces of the conveying chain (33); wherein the conveying chain (33) is wound and meshed on the driving chain wheel (322) and the third driven chain wheel (326), and the conveying direction of the conveying chain (33) is consistent with the conveying direction of a straight pipe.

6. The tack welding apparatus for steel structural frames as claimed in claim 4, wherein the first driving assembly comprises: a third drive motor (38) mounted on the frame beam (5); a second driving gear (391) mounted on an output side of the third driving motor (38); the linkage shaft (393) is fixedly connected to the frame cross beam (5); a first driven gear (392) fixedly connected to one end of the linkage shaft (393) close to the second driving gear (391); and the second driven gear (394) is installed at the two-phase back end positions of the linkage shaft (393), wherein the first driven gear (392) is meshed with the second driving gear (391), a first straight-tooth guide rail (37) is vertically installed at the top of the electromagnet (36), the first straight-tooth guide rail (37) penetrates through the rack cross beam (5), and the first straight-tooth guide rail (37) is meshed with the second driven gear (394).

7. The tack welding apparatus for steel structural frames as claimed in claim 4, wherein the second driving assembly comprises: a fourth driving motor (41) mounted on the frame beam (5); a third driving gear (421) assembled at the output end of the fourth driving motor (41); a roller (423) fixedly connected to the frame beam (5); a third driven gear (422) fixedly connected to one end of the roller (423) close to the third driving gear (421); install fourth driven gear (424) of roller shaft (423) two-phase back of the body extreme position department, wherein, third driven gear (422) mesh mutually with third driving gear (421), support (351) top is fixed with second straight-tooth guide rail (40), the extending direction and the steel construction frame direction of delivery of second straight-tooth guide rail (40) parallel, fourth driven gear (424) with second straight-tooth guide rail (40) mesh mutually.

8. The positioning and pre-welding device for the steel structure frame as claimed in claim 1, wherein a first lath (244) and a second lath (245) are installed on the top of the installation platform (27), the extending directions of the first lath (244) and the second lath (245) are consistent with the conveying direction of the steel structure frame, the second lath (245) is close to one side of the inner wall of the first lath (244), a first positioning plate (241) is installed on the top of the first lath (244), a second positioning plate (242) is installed on the top of the first lath (244), the second positioning plate (242) is located on the extending direction of the first positioning plate (241), the distance between the first positioning plate (241) and the second positioning plate (242) is matched with the width dimension of the middle pipe, a positioning post (243) is arranged on the top of the second lath (245), one side of the positioning column (243) far away from the input end of the straight pipe is parallel to the first positioning plate (241).

9. The positioning and pre-welding device for the steel structure frame according to claim 1, characterized in that a top plate support (262) is installed on the opposite inner wall of the first rack (2), a second driving cylinder (261) is installed on the bottom surface of the top plate support (262), a top rod (264) is installed on the top surface of the top plate support (262), the output end of the second driving cylinder (261) is assembled with the top rod (264), a movable top plate (263) is installed at the top position of the top rod (264), and the second driving cylinder (261) drives the top rod (264) to move in the vertical direction and further drive the movable top plate (263) to move in the vertical direction.

10. The tack welding apparatus for steel structural frames according to claim 1, a ground guide rail (254) is arranged in the middle of the first frame (2), a first driving motor (251) is arranged on the inner wall of the first frame (2), the first driving motor (251) is arranged on the top of the ground guide rail (254), the output end of the first driving motor (251) is provided with a first driving gear (252), the top of the ground guide rail (254) is provided with a straight tooth rail (253), the straight tooth rail (253) is vertical to the conveying direction of the straight pipe, the first driving gear (252) is meshed with the straight tooth track (253), a ground track (255) is arranged in the middle of the first frame (2), and a sliding block (256) is installed at the bottom of the first frame (2), and the sliding block (256) is connected with the top of the ground track (255) in a sliding manner.

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