Steam direct burial heat preservation steel pipe welding equipment

Abstract

Steam direct burial heat preservation steel pipe welding equipment relates to the technical field of welding technology treatment and comprises two pipe adjusting mechanisms arranged on the ground, a pushing mechanism arranged on the side faces of the pipe adjusting mechanisms, a welding mechanism arranged on the pushing mechanism and a cleaning mechanism. The equipment can be adjusted according to different thicknesses of the heat preservation steel pipes, and the heat preservation steel pipes needing to be welded can be conveniently clamped and transferred; the equipment can automatically align two heat preservation steel pipes needing to be welded, the error that the heat preservation steel pipes are not aligned in the manual welding process is eliminated, and the welding efficiency is guaranteed; the equipment can wipe and clean the ends of the two heat preservation steel pipes needing to be welded at the same time, and the welding effect is guaranteed; the equipment can be used for automatically welding two heat preservation steel pipes, so that the labor is saved while the working efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of welding technology processing, and particularly relates to a welding device for directly buried steam insulation steel pipes. Background Art

[0002] The insulation steel pipe is a steel pipe that, after being processed by an insulation process, can ensure that the temperature inside the working steel pipe conforms to or reaches the usage requirements under the action of different working environments and external media. Insulation pipes are widely used in liquid and gas transportation pipe networks, chemical pipe insulation projects, petroleum, chemical industry, central heating networks, central air-conditioning ventilation pipes, municipal engineering, etc.

[0003] During the use of insulation steel pipes, it is mostly necessary to weld two insulation steel pipes. However, the traditional method mostly uses manual welding, which is very likely to cause misalignment of the two insulation steel pipes during welding, resulting in welding errors. At the same time, before welding the insulation steel pipe, it is necessary to clean the welding part of the insulation steel pipe to improve the welding effect of the insulation steel pipe. Therefore, a welding device for directly buried steam insulation steel pipes is needed. This device can be adjusted according to the different thicknesses of the insulation steel pipes, facilitating the clamping and transfer of the insulation steel pipes to be welded. This device can automatically align two insulation steel pipes to be welded, eliminating the misalignment error of the insulation steel pipes during manual welding and ensuring the welding efficiency. This device can simultaneously wipe and clean the ends of the two insulation steel pipes to be welded to ensure the welding effect. This device can automatically weld two insulation steel pipes, improving work efficiency and saving manpower at the same time. Summary of the Invention

[0004] In view of the above technical problems, the present invention provides a welding device for directly buried steam insulation steel pipes to solve the above problems.

[0005] The technical solution of the present invention is: A welding device for directly buried steam insulation steel pipes, comprising two pipe adjusting mechanisms arranged on the ground, a pushing mechanism arranged on the side of the pipe adjusting mechanism, a welding mechanism and a cleaning mechanism arranged on the pushing mechanism. The described pipe adjusting mechanism includes: a U-shaped frame, a bottom plate, an upper plate, vertical frames, a cross plate, electric wheels, vertical plates, circular plates, electric cylinder I and lead screw I; the U-shaped frame is fixedly installed in a predetermined area on the ground, and a motor is fixedly installed on the side of the U-shaped frame; the lead screw I is rotatably installed in the round hole at one end of the U-shaped frame, and the outer end of the lead screw I is fixedly connected to the shaft of the motor on the side of the U-shaped frame; the bottom plate is slidably installed inside the U-shaped frame, and a threaded hole is provided on the side of the bottom plate, and this threaded hole is in threaded cooperation with the lead screw I; the upper plate is fixedly installed on the bottom plate through a rod; there are two vertical frames, and the two vertical frames are fixedly installed on the bottom plate; the two L-shaped plates on both sides of the cross plate are respectively slidably installed in the two vertical frames, and two grooves are provided on the side of the cross plate; there are three electric wheels, and the three electric wheels are fixedly installed on the cross plate through a rod; there are two vertical plates, and the two vertical plates are fixedly installed on the upper end surface of the bottom plate; there are two circular plates, and the shafts of the two circular plates are respectively rotatably installed in the round holes on the two vertical plates, a gear is fixedly installed on the shaft of the circular plate, and a small rod is provided on the inner side of the circular plate, and the small rod slides in the corresponding groove on the side of the cross plate; the cylinder body part of the electric cylinder I is fixedly installed on the upper end surface of the bottom plate, and the piston rod end of the electric cylinder I is fixedly connected to a rack, and this rack meshes with the gears on the sides of the two circular plates.

[0006] Preferably, a camera is fixedly installed on the upper plate.

[0007] Preferably, springs are installed on the vertical frames, and the other ends of the springs are connected to the bent rods on the sides of the corresponding cross plates.

[0008] Preferably, the pipe adjusting mechanism further includes: arc-shaped clamping plates, L-shaped frames, limiting plates, discs, gear I, motor I and U-shaped plates; there are two arc-shaped clamping plates, and the two arc-shaped clamping plates are fixedly installed on the upper plate; there are four L-shaped frames, two of which are fixedly installed on the outside of one arc-shaped clamping plate, and the other two L-shaped frames are fixedly installed on the outside of the other arc-shaped clamping plate, and round holes are provided on the L-shaped frames; there are four limiting plates, and the rods on the inner sides of the four limiting plates are respectively slidably installed in the round holes on the four L-shaped frames; the U-shaped plate is fixedly installed on the bottom plate; there are two discs, and the two discs are rotatably installed on the U-shaped plate, a circle of teeth is provided on the periphery of the disc, and two inclined grooves are provided on the disc; there are two gear I, and the shafts of the two gear I are respectively rotatably installed in the two round holes on the U-shaped plate, and the two gear I respectively mesh with the teeth on the peripheries of the two discs, and the shafts of the two gear I are connected by a synchronous belt; the motor I is fixedly installed on the cross plate on the U-shaped plate, and its motor shaft is fixedly connected to the shaft of one gear I.

[0009] Preferably, driven wheels are installed at the ends of the rods on the inner sides of the limiting plates, a cross plate is fixedly installed at the lower end of the limiting plate, and a small rod is fixedly installed on the cross plate, and the small rod slides in the inclined groove on the corresponding disc.

[0010] Preferably, the pushing mechanism includes: a support plate, a limiting frame, a gear II, and an electric cylinder II; the support plate is fixedly installed on the side of the U-shaped frame, and grooves are provided on both sides of the support plate; the lower end of the limiting frame is rotatably installed on the circular hole on the support plate; the gear II is fixedly installed on the upper end shaft of the limiting frame; the cylinder body part of the electric cylinder II is fixedly installed on the support plate, and the piston rod end of the electric cylinder II is fixedly connected to a rack, and this rack meshes with the gear II.

[0011] Preferably, the welding mechanism includes: a bent frame I, a C-shaped frame I, a gear III, a vertical rod I, a motor II, a lead screw slider group, and a welding machine; the lower end of the bent frame I is slidably installed in the groove on one side of the support plate, and at the same time, the bent frame I is slidably installed in the groove on one side of the limiting frame, and a semi-circular frame is fixedly installed on the bent frame I; the C-shaped frame I is rotatably installed on the semi-circular frame on the bent frame I, and gear teeth are provided on the outer wall of the C-shaped frame I; there are two gear IIIs, and the shafts of the two gear IIIs are respectively rotatably installed in the upper and lower circular holes of the semi-circular frame on the bent frame I, and the two gear IIIs mesh with the gear teeth on the outer wall of the C-shaped frame I; the vertical rod I is rotatably installed in the circular hole at the rear of the semi-circular frame on the bent frame I, and the vertical rod I is respectively connected to the two gear IIIs through a synchronous belt; the motor II is installed on the semi-circular frame on the bent frame I through a rod, and its motor shaft is fixedly connected to the upper end of the vertical rod I; the lead screw slider group includes a frame, a lead screw, a motor, and a slider, the frame is fixedly installed on the side of the C-shaped frame I, the lead screw is rotatably installed in the frame, the motor is fixedly installed on the frame, its motor shaft is fixedly connected to one end of the lead screw, the slider is slidably installed in the frame, and the threaded hole on the slider is in threaded cooperation with the lead screw; the welding machine is fixedly connected to the side of the slider in the lead screw slider group through a bent rod.

[0012] Preferably, the cleaning mechanism includes: a bent frame II, a C-shaped frame II, a gear IV, a vertical rod II, a motor III, and a cleaning plate; the lower end of the bent frame II is slidably installed in the groove on the other side of the support plate, and at the same time, the bent frame II is slidably installed in the groove on the other side of the limiting frame, and a semi-circular frame is fixedly installed on the bent frame II; the C-shaped frame II is rotatably installed on the semi-circular frame on the bent frame II, and gear teeth are provided on the outer wall of the C-shaped frame II; there are two gear IVs, and the shafts of the two gear IVs are respectively rotatably installed in the upper and lower circular holes of the semi-circular frame on the bent frame II, and the two gear IVs mesh with the gear teeth on the outer wall of the C-shaped frame II; the vertical rod II is rotatably installed in the circular hole at the rear of the semi-circular frame on the bent frame II, and the vertical rod II is respectively connected to the two gear IVs through a synchronous belt; the motor III is installed on the semi-circular frame on the bent frame II through a rod, and its motor shaft is fixedly connected to the upper end of the vertical rod II; the cleaning plate is slidably installed on the bent plate on the side of the C-shaped frame II through a rod.

[0013] Preferably, a sponge is installed on the front side of the cleaning plate; a spring is installed on the rear side of the cleaning plate, and the other end of the spring is connected to the bent plate on the side of the C-shaped frame II.

[0014] The beneficial effects of the present invention compared with the prior art are as follows: 1. The present invention monitors whether the two insulating steel pipes to be welded are aligned through the camera on the upper plate, and transmits the information to the motor on the side of the U-shaped frame. The motor on the side of the U-shaped frame adjusts the position of the bottom plate, thereby realizing the position adjustment of the two insulating steel pipes. When adjusting, the motor on the side of the U-shaped frame starts, drives the electric wheel to rotate, and the electric wheel drives the bottom plate to move left and right to adjust the position of the insulating steel pipe, so that the two insulating steel pipes are automatically aligned, eliminating the error of misalignment of the insulating steel pipes during manual welding and ensuring the welding efficiency.

[0015] 2. The present invention starts motor II, drives the first vertical rod to rotate, the first vertical rod drives the two third gears to rotate simultaneously, the third gears drive the first C-shaped frame to rotate one week, the first C-shaped frame drives the lead screw slider group to rotate one week, and the lead screw slider group drives the electric welding machine to rotate one week. While rotating, the electric welding machine welds the butt joint of the two insulating steel pipes to complete automatic welding, saving manpower and improving work efficiency.

[0016] 3. The present invention works through three electric wheels. The three electric wheels drive the insulating steel pipe to move. At this time, the driven wheels on the four limiting plates adapt to assist the movement of the insulating steel pipe, so that the two insulating steel pipes to be welded are butted, that is, the clamping of the insulating steel pipe can be completed and the automatic movement of the insulating steel pipe can be realized, saving manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the first angle of the overall part of the present invention.

[0018] Figure 2 It is a schematic structural diagram of the second angle of the overall part of the present invention.

[0019] Figure 3 It is a schematic structural diagram of the first angle of the pipe adjusting mechanism of the present invention.

[0020] Figure 4 It is a schematic structural diagram of the second angle of the pipe adjusting mechanism of the present invention.

[0021] Figure 5 It is a schematic structural diagram of the first part of the pipe adjusting mechanism of the present invention.

[0022] Figure 6 It is a schematic structural diagram of the second part of the pipe adjusting mechanism of the present invention.

[0023] Figure 7 It is a schematic structural diagram of the first angle of the third part of the pipe adjusting mechanism of the present invention.

[0024] Figure 8 It is a schematic structural diagram of the second angle of the third part of the pipe adjusting mechanism of the present invention.

[0025] Figure 9 Schematic diagram of the third - angle structure of the tube - adjusting mechanism of the present invention.

[0026] Figure 10 Schematic diagram of the assembled structure of the pushing mechanism, welding mechanism and cleaning mechanism of the present invention.

[0027] Figure 11 Schematic diagram of the pushing mechanism of the present invention.

[0028] Figure 12 Schematic diagram of the first - angle structure of the welding mechanism of the present invention.

[0029] Figure 13 Schematic diagram of the second - angle structure of the welding mechanism of the present invention.

[0030] Figure 14 Schematic diagram of the cleaning mechanism of the present invention.

[0031] Reference numerals in the attached drawings: 1 - tube - adjusting mechanism; 2 - pushing mechanism; 3 - welding mechanism; 4 - cleaning mechanism; 101 - U - shaped frame; 102 - bottom plate; 103 - upper plate; 104 - vertical frame; 105 - cross - plate; 106 - electric wheel; 107 - vertical plate; 108 - circular plate; 109 - electric cylinder I; 110 - arc - shaped clamping plate; 111 - L - shaped frame; 112 - limiting plate; 113 - disc; 114 - gear I; 115 - motor I; 116 - lead screw I; 117 - U - shaped plate; 201 - support plate; 202 - limiting frame; 203 - gear II; 204 - electric cylinder II; 301 - bent frame I; 302 - C - shaped frame I; 303 - gear III; 304 - vertical rod I; 305 - motor II; 306 - lead - screw slider group; 307 - electric welding machine; 401 - bent frame II; 402 - C - shaped frame II; 403 - gear IV; 404 - vertical rod II; 405 - motor III; 406 - cleaning plate. Detailed implementation manners

[0032] The technical solutions of the present invention will be further specifically described below through examples in combination with the attached drawings. Many specific details are set forth in the following description in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific examples disclosed below.

[0033] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inward", "outward", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive product is customarily placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.

[0034] As Figures 1-14 shown, a welding device for directly buried steam insulated steel pipes includes two pipe adjusting mechanisms 1 arranged on the ground, a pushing mechanism 2 arranged on the side of the pipe adjusting mechanism 1, a welding mechanism 3 and a cleaning mechanism 4 arranged on the pushing mechanism 2.

[0035] As Figures 3-6As shown in the figure, the pipe adjusting mechanism 1 includes: a U-shaped frame 101, a bottom plate 102, an upper plate 103, a vertical frame 104, a cross plate 105, an electric wheel 106, a vertical plate 107, a circular plate 108, an electric cylinder I 109, and a lead screw I 116; The U-shaped frame 101 is fixedly installed in a predetermined area on the ground, and a motor is fixedly installed on the side of the U-shaped frame 101; The lead screw I 116 is rotatably installed in the circular hole at one end of the U-shaped frame 101, and the outer end of the lead screw I 116 is fixedly connected to the shaft of the motor on the side of the U-shaped frame 101; The bottom plate 102 is slidably installed inside the U-shaped frame 101, and a threaded hole is provided on the side of the bottom plate 102, which is in threaded cooperation with the lead screw I 116; Specifically, when the motor on the side of the U-shaped frame 101 starts, it drives the electric wheel 106 to rotate, and the electric wheel 106 drives the bottom plate 102 to move left and right to adjust the position of the heat-insulated steel pipe; The upper plate 103 is fixedly installed on the bottom plate 102 through a rod; There are two vertical frames 104, and the two vertical frames 104 are fixedly installed on the bottom plate 102; The L-shaped plates on both sides of the cross plate 105 are respectively slidably installed in the two vertical frames 104, and two grooves are provided on the side of the cross plate 105; There are three electric wheels 106, and the three electric wheels 106 are fixedly installed on the cross plate 105 through a rod; The electric wheel 106 is used for transporting the heat-insulated steel pipe; There are two vertical plates 107, and the two vertical plates 107 are fixedly installed on the upper end surface of the bottom plate 102; There are two circular plates 108, the shafts of the two circular plates 108 are respectively rotatably installed in the circular holes on the two vertical plates 107, a gear is fixedly installed on the shaft of the circular plate 108, a small rod is provided inside the circular plate 108, and the small rod slides in the corresponding groove on the side of the cross plate 105; The cylinder body part of the electric cylinder I 109 is fixedly installed on the upper end surface of the bottom plate 102, and the piston rod end of the electric cylinder I 109 is fixedly connected to a rack, and this rack meshes with the gears on the sides of the two circular plates 108; Specifically, when adapting to the thickness of different heat-insulated steel pipes and transporting the steel pipe, the electric cylinder I 109 works, the electric cylinder I 109 drives the rack at its piston rod end to move, the rack drives the two circular plates 108 to rotate, the two circular plates 108 drive the cross plate 105 to move up and down, the cross plate 105 drives the three electric wheels 106 thereon to simultaneously contact the lower end of the heat-insulated steel pipe, adapt to the thickness of different heat-insulated steel pipes, and when transporting this heat-insulated steel pipe, the three electric wheels 106 work, and the three electric wheels 106 drive the heat-insulated steel pipe to move to a suitable position.

[0036] As Figure 5 shown, a camera is fixedly installed on the upper plate 103. The camera can monitor whether the two heat-insulated steel pipes to be welded are aligned, and transmit the information to the motor on the side of the U-shaped frame 101, and the motor on the side of the U-shaped frame 101 adjusts the position of the bottom plate 102, thereby realizing the position adjustment of the two heat-insulated steel pipes.

[0037] As Figure 5 shown, springs are installed on the vertical frames 104, and the other ends of the springs are connected to the bent rods on the sides of the corresponding cross plates 105.

[0038] As Figures 7-9 shown, the pipe adjusting mechanism 1 further includes: arc-shaped clamping plates 110, L-shaped frames 111, limiting plates 112, discs 113, gear I 114, motor I 115 and U-shaped plates 117; there are two arc-shaped clamping plates 110, and the two arc-shaped clamping plates 110 are fixedly installed on the upper plate 103; there are four L-shaped frames 111, two of the L-shaped frames 111 are fixedly installed on the outer side of one arc-shaped clamping plate 110, and the other two L-shaped frames 111 are fixedly installed on the outer side of the other arc-shaped clamping plate 110, and circular holes are provided on the L-shaped frames 111; there are four limiting plates 112, and the rods on the inner sides of the four limiting plates 112 are respectively slidably installed in the circular holes on the four L-shaped frames 111; the U-shaped plate 117 is fixedly installed on the bottom plate 102; there are two discs 113, and the two discs 113 are rotatably installed on the U-shaped plate 117, a circle of teeth is provided on the periphery of the disc 113, and two inclined slots are provided on the disc 113; there are two gear I 114, and the shafts of the two gear I 114 are respectively rotatably installed in the two circular holes on the U-shaped plate 117, and the two gear I 114 are respectively meshed with the teeth on the peripheries of the two discs 113, and the shafts of the two gear I 114 are connected by a synchronous belt; the motor I 115 is fixedly installed on the cross plate of the U-shaped plate 117, and its motor shaft is fixedly connected to the shaft of one gear I 114; specifically, when the driven wheels on the four limiting plates 112 are adapted to the thickness of the heat preservation steel pipe, the motor I 115 is started to drive the two gear I 114 to rotate, the two gear I 114 respectively drive the two discs 113 to rotate, and the two discs 113 drive the two limiting plates 112 sliding on their two inclined slots to move inward at the same time, so that the driven wheels on the limiting plates 112 are in contact with the heat preservation steel pipe.

[0039] As Figure 7 shown, a driven wheel is installed at the end of the rod on the inner side of the limiting plate 112, and the driving force can assist the movement of the heat preservation steel pipe. A cross plate is fixedly installed at the lower end of the limiting plate 112, and a small rod is fixedly installed on the cross plate, and the small rod slides in the inclined slot on the corresponding disc 113.

[0040] As Figure 10 、 Figure 11As shown in the figure, the pushing mechanism 2 includes: a support plate 201, a limiting frame 202, a gear II 203, and an electric cylinder II 204; the support plate 201 is fixedly installed on the side of the U-shaped frame 101, and grooves are provided on both sides of the support plate 201; the lower end of the limiting frame 202 is rotatably installed on the round hole in the support plate 201; the gear II 203 is fixedly installed on the upper end shaft of the limiting frame 202; the cylinder body part of the electric cylinder II 204 is fixedly installed on the support plate 201, and the piston rod end of the electric cylinder II 204 is fixedly connected to a rack, and this rack meshes with the gear II 203; specifically, when the electric cylinder II 204 works, the electric cylinder II 204 drives the rack at its piston rod end to move, thereby driving the gear II 203 to rotate, and the gear II 203 drives the limiting frame 202 to rotate.

[0041] As Figure 12 , Figure 13 shown in the figure, the welding mechanism 3 includes: a bent frame I 301, a C-shaped frame I 302, a gear III 303, a vertical rod I 304, a motor II 305, a lead screw slider group 306, and a welding machine 307; the lower end of the bent frame I 301 is slidably installed in the groove on one side of the support plate 201, and at the same time, the bent frame I 301 is slidably installed in the groove on one side of the limiting frame 202, and a semi-circular frame is fixedly installed on the bent frame I 301; the C-shaped frame I 302 is rotatably installed on the semi-circular frame on the bent frame I 301, and gear teeth are provided on the outer wall of the C-shaped frame I 302; there are two gear III 303s, and the shafts of the two gear III 303s are respectively rotatably installed in the upper and lower round holes of the semi-circular frame on the bent frame I 301, and the two gear III 303s mesh with the gear teeth on the outer wall of the C-shaped frame I 302; specifically, the two gear III 303s rotate to drive the C-shaped frame I 302 to rotate one week; the vertical rod I 304 is rotatably installed in the round hole at the rear of the semi-circular frame on the bent frame I 301, and the vertical rod I 304 is respectively connected to the two gear III 303s through a synchronous belt; the motor II 305 is installed on the semi-circular frame on the bent frame I 301 through a rod, and its motor shaft is fixedly connected to the upper end of the vertical rod I 304; the lead screw slider group 306 includes a frame, a lead screw, a motor, and a slider, the frame is fixedly installed on the side of the C-shaped frame I 302, the lead screw is rotatably installed in the frame, the motor is fixedly installed on the frame, its motor shaft is fixedly connected to one end of the lead screw, the slider is slidably installed in the frame, and the threaded hole on the slider is in threaded cooperation with the lead screw; the welding machine 307 is fixedly connected to the side of the slider in the lead screw slider group 306 through a bent rod; the welding machine 307 is used for welding two insulating steel pipes.

[0042] As Figure 14As shown in the figure, the cleaning mechanism 4 includes: a bent frame II 401, a C-shaped frame II 402, a gear IV 403, a vertical rod II 404, a motor III 405, and a cleaning plate 406; the lower end of the bent frame II 401 is slidably installed in the groove on the other side of the support plate 201, and at the same time, the bent frame II 401 is slidably installed in the groove on the other side of the limiting frame 202. A semi-circular frame is fixedly installed on the bent frame II 401; the C-shaped frame II 402 is rotatably installed on the semi-circular frame on the bent frame II 401, and gear teeth are provided on the outer wall of the C-shaped frame II 402; there are two gear IVs 403, and the shafts of the two gear IVs 403 are respectively rotatably installed in the upper and lower circular holes of the semi-circular frame on the bent frame II 401, and the two gear IVs 403 mesh with the gear teeth on the outer wall of the C-shaped frame II 402; specifically, the two gear IVs 403 rotate to drive the C-shaped frame II 402 to rotate one week; the vertical rod II 404 is rotatably installed in the circular hole at the rear of the semi-circular frame on the bent frame II 401, and the vertical rod II 404 is respectively connected to the two gear IVs 403 through a synchronous belt; the motor III 405 is installed on the semi-circular frame on the bent frame II 401 through a rod, and its motor shaft is fixedly connected to the upper end of the vertical rod II 404; the cleaning plate 406 is slidably installed on the bent plate on the side of the C-shaped frame II 402 through a rod.

[0043] As Figure 14 shown in the figure, a sponge is installed on the front side of the cleaning plate 406, and the sponge can simultaneously wipe the ends of the two insulating steel pipes to be welded, improving the welding effect; a spring is installed on the rear side of the cleaning plate 406, and the other end of the spring is connected to the bent plate on the side of the C-shaped frame II 402.

[0044] Working principle: When adapting to the thickness of different insulating steel pipes, the electric cylinder I 109 works, the electric cylinder I 109 drives the rack at its piston rod end to move, the rack drives the two circular plates 108 to rotate, the two circular plates 108 drive the cross plate 105 to move up and down, and the cross plate 105 drives the three electric wheels 106 on it to simultaneously contact the lower end of the insulating steel pipe, adapting to the thickness of different insulating steel pipes. At the same time, when the driven wheels on the four limiting plates 112 adapt to the thickness of the insulating steel pipe, the motor I 115 starts, driving the two gear I 114 to rotate, the two gear I 114 respectively drive the two discs 113 to rotate, and the two discs 113 drive the two limiting plates 112 sliding on their two inclined grooves to move inward simultaneously, so that the driven wheels on the limiting plates 112 contact the insulating steel pipe; When transporting the insulating steel pipe, the three electric wheels 106 work, the three electric wheels 106 drive the insulating steel pipe to move. At this time, the driven wheels on the four limiting plates 112 adapt to assist the movement of the insulating steel pipe, so that the two insulating steel pipes to be welded are butted, that is, the clamping of the insulating steel pipe can be completed, and the automatic movement of the insulating steel pipe can be realized, saving manpower; When aligning and adjusting two insulated steel pipes, the camera on the upper plate 103 monitors whether the two insulated steel pipes to be welded are aligned, and transmits the information to the motor on the side of the U-shaped frame 101. The motor on the side of the U-shaped frame 101 adjusts the position of the bottom plate 102, thereby realizing the position adjustment of the two insulated steel pipes. When adjusting, the motor on the side of the U-shaped frame 101 starts, drives the electric wheel 106 to rotate, and the electric wheel 106 drives the bottom plate 102 to move left and right, adjusting the position of the insulated steel pipe, so that the two insulated steel pipes are automatically aligned, eliminating the error of misalignment of the insulated steel pipes during manual welding and ensuring the welding efficiency. When cleaning before welding the insulated steel pipe, the electric cylinder II 204 works. The electric cylinder II 204 drives the rack at its piston rod end to move, thereby driving the gear II 203 to rotate. The gear II 203 drives the limiting frame 202 to rotate, and the limiting frame 202 drives the bent frame II 401 to move forward, so that the semi-circular frame on the bent frame II 401 moves to a position concentric with the insulated steel pipe to be welded. At this time, the sponge on the side of the cleaning plate 406 contacts the inner ends of the two insulated steel pipes at the same time. Then, the motor III 405 starts, drives the vertical rod II 404 to rotate, and the vertical rod II 404 drives the two gears IV 403 to rotate at the same time. The gear IV 403 drives the C-shaped frame II 402 to rotate one week, and the C-shaped frame II 402 drives the vertical rod II 404 to rotate one week around the insulated steel pipe, and the sponge on the side of the cleaning plate 406 wipes the inner ends of the two butt-jointed insulated steel pipes clean, ensuring the smooth progress of subsequent welding. When welding the insulated steel pipe, the electric cylinder II 204 works. The electric cylinder II 204 drives the rack at its piston rod end to move, thereby driving the gear II 203 to rotate. The gear II 203 drives the limiting frame 202 to rotate, and the limiting frame 202 drives the bent frame II 401 to move backward and at the same time drives the bent frame I 301 to move forward, so that the semi-circular frame on the bent frame I 301 moves to a position concentric with the insulated steel pipe to be welded. Then, the lead screw slider group 306 works, driving the electric welding machine 307 to move downward, so that the welding head of the electric welding machine 307 moves to the butt-joint of the two insulated steel pipes. Then, the motor II 305 starts, drives the vertical rod I 304 to rotate, and the vertical rod I 304 drives the two gears III 303 to rotate at the same time. The gear III 303 drives the C-shaped frame I 302 to rotate one week, and the C-shaped frame I 302 drives the lead screw slider group 306 to rotate one week. The lead screw slider group 306 drives the electric welding machine 307 to rotate one week. While rotating, the electric welding machine 307 welds the butt-joint of the two insulated steel pipes, completing automatic welding, saving manpower and improving work efficiency.

[0045] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding device for directly buried steam-insulated steel pipes, characterized in that, It includes two pipe adjusting mechanisms (1) arranged on the ground, a pushing mechanism (2) arranged on the side of the pipe adjusting mechanism (1), a welding mechanism (3) and a cleaning mechanism (4) arranged on the pushing mechanism (2); The pipe adjusting mechanism (1) includes: a U-shaped frame (101), a bottom plate (102), an upper plate (103), a vertical frame (104), a cross plate (105), an electric wheel (106), a vertical plate (107), a circular plate (108), an electric cylinder I (109) and a lead screw I (116); The U-shaped frame (101) is fixedly installed on the ground, and a motor is fixedly installed on the side of the U-shaped frame (101); The lead screw I (116) is rotatably installed in the round hole at one end of the U-shaped frame (101), and the outer end of the lead screw I (116) is fixedly connected to the shaft of the motor on the side of the U-shaped frame (101); The bottom plate (102) is slidably installed inside the U-shaped frame (101), and a threaded hole is provided on the side of the bottom plate (102), and this threaded hole is in threaded cooperation with the lead screw I (116); The upper plate (103) is fixedly installed on the bottom plate (102); There are two vertical frames (104), and the two vertical frames (104) are fixedly installed on the bottom plate (102); The two L-shaped plates on both sides of the cross plate (105) are respectively slidably installed in the two vertical frames (104), and two grooves are provided on the side of the cross plate (105); There are three electric wheels (106), and the three electric wheels (106) are fixedly installed on the cross plate (105); There are two vertical plates (107), and the two vertical plates (107) are fixedly installed on the upper end surface of the bottom plate (102); There are two circular plates (108), and the shafts of the two circular plates (108) are respectively rotatably installed in the round holes on the two vertical plates (107), a gear is provided on the shaft of the circular plate (108), and a small rod is provided on the inner side of the circular plate (108), and the small rod slides in the corresponding groove on the side of the cross plate (105); The electric cylinder I (109) is fixedly installed on the upper end surface of the bottom plate (102), and the piston rod end of the electric cylinder I (109) is fixedly connected to a rack, and this rack is meshed with the gears on the sides of the two circular plates (108).

2. The steam directly buried heat-insulated steel pipe welding equipment according to claim 1, characterized in that, A camera is fixedly installed on the upper plate (103).

3. The steam directly buried thermal insulation steel pipe welding equipment according to claim 1, characterized in that, Springs are installed on the vertical frames (104), and the other ends of the springs are connected to the bent rods on the sides of the corresponding cross plates (105).

4. The welding equipment for directly buried steam insulated steel pipes according to claim 1, characterized in that, The described tube adjusting mechanism (1) further includes: arc-shaped clamping plates (110), L-shaped frames (111), limiting plates (112), discs (113), gear I (114), motor I (115) and U-shaped plates (117); there are two arc-shaped clamping plates (110), and the two arc-shaped clamping plates (110) are fixedly installed on the upper plate (103); there are four L-shaped frames (111), two of the L-shaped frames (111) are fixedly installed on the outer side of one arc-shaped clamping plate (110), and the other two L-shaped frames (111) are fixedly installed on the outer side of the other arc-shaped clamping plate (110), and the L-shaped frames (111) are provided with round holes; there are four limiting plates (112), and the rods on the inner sides of the four limiting plates (112) are respectively slidably installed in the round holes on the four L-shaped frames (111); the U-shaped plate (117) is fixedly installed on the bottom plate (102); there are two discs (113), and the two discs (113) are rotatably installed on the U-shaped plate (117), a circle of teeth is provided on the periphery of the disc (113), and two inclined slots are provided on the disc (113); there are two gear I (114), and the shafts of the two gear I (114) are respectively rotatably installed in the two round holes on the U-shaped plate (117), and the two gear I (114) are respectively meshed with the teeth on the peripheries of the two discs (113), and the shafts of the two gear I (114) are connected by a synchronous belt; the motor I (115) is fixedly installed on the cross plate on the U-shaped plate (117), and its motor shaft is fixedly connected to the shaft of one gear I (114).

5. The welding equipment for directly buried steam-insulated steel pipes according to claim 4, characterized in that, A driven wheel is installed at the end of the rod on the inner side of the described limiting plate (112), a cross plate is fixedly installed at the lower end of the limiting plate (112), and a small rod is fixedly installed on the cross plate and slides in the inclined slot on the corresponding disc (113).

6. The welding equipment for directly buried steam-insulated steel pipes according to claim 1, characterized in that, The described pushing mechanism (2) includes: a support plate (201), a limiting frame (202), a gear II (203) and an electric cylinder II (204); the support plate (201) is fixedly installed on the side of the U-shaped frame (101), and grooves are provided on both sides of the support plate (201); the lower end shaft of the limiting frame (202) is rotatably installed in the round hole on the support plate (201); the gear II (203) is fixedly installed on the upper end shaft of the limiting frame (202); the cylinder part of the electric cylinder II (204) is fixedly installed on the support plate (201), and the piston rod end of the electric cylinder II (204) is fixedly connected to a rack, and this rack is meshed with the gear II (203).

7. The welding equipment for directly buried steam insulated steel pipes according to claim 1, characterized in that, The described welding mechanism (3) includes: a bent frame I (301), a C-shaped frame I (302), a gear III (303), a vertical rod I (304), a motor II (305), a lead screw slider group (306), and a welding machine (307); the lower end of the bent frame I (301) is slidably installed in the groove on one side of the support plate (201), and at the same time, the bent frame I (301) is slidably installed in the groove on one side of the restraint frame (202). A semi-circular frame is fixedly installed on the bent frame I (301); the C-shaped frame I (302) is rotatably installed on the semi-circular frame on the bent frame I (301), and gear teeth are provided on the outer wall of the C-shaped frame I (302); there are two gear IIIs (303), and the shafts of the two gear IIIs (303) are respectively rotatably installed in the upper and lower circular holes of the semi-circular frame on the bent frame I (301), and the two gear IIIs (303) mesh with the gear teeth on the outer wall of the C-shaped frame I (302); the vertical rod I (304) is rotatably installed in the circular hole at the rear of the semi-circular frame on the bent frame I (301), and the vertical rod I (304) is respectively connected to the two gear IIIs (303) through a synchronous belt; the motor II (305) is installed on the semi-circular frame on the bent frame I (301) through a rod, and its motor shaft is fixedly connected to the upper end of the vertical rod I (304); the lead screw slider group (306) includes a frame, a lead screw, a motor, and a slider. The frame is fixedly installed on the side of the C-shaped frame I (302), the lead screw is rotatably installed in the frame, the motor is fixedly installed on the frame, its motor shaft is fixedly connected to one end of the lead screw, the slider is slidably installed in the frame, and the threaded hole on the slider is in threaded cooperation with the lead screw; the welding machine (307) is fixedly connected to the side of the slider in the lead screw slider group (306) through a bent rod.

8. The welding equipment for directly buried steam insulated steel pipes according to claim 1, characterized in that, The described cleaning mechanism (4) includes: a bent frame II (401), a C-shaped frame II (402), a gear IV (403), a vertical rod II (404), a motor III (405), and a cleaning plate (406); the lower end of the bent frame II (401) is slidably installed in the groove on the other side of the support plate (201), and at the same time, the bent frame II (401) is slidably installed in the groove on the other side of the restraint frame (202). A semi-circular frame is fixedly installed on the bent frame II (401); the C-shaped frame II (402) is rotatably installed on the semi-circular frame on the bent frame II (401), and gear teeth are provided on the outer wall of the C-shaped frame II (402); there are two gear IVs (403), and the shafts of the two gear IVs (403) are respectively rotatably installed in the upper and lower circular holes of the semi-circular frame on the bent frame II (401), and the two gear IVs (403) mesh with the gear teeth on the outer wall of the C-shaped frame II (402); the vertical rod II (404) is rotatably installed in the circular hole at the rear of the semi-circular frame on the bent frame II (401), and the vertical rod II (404) is respectively connected to the two gear IVs (403) through a synchronous belt; the motor III (405) is installed on the semi-circular frame on the bent frame II (401) through a rod, and its motor shaft is fixedly connected to the upper end of the vertical rod II (404); the cleaning plate (406) is slidably installed on the bent plate on the side of the C-shaped frame II (402) through a rod.

9. The steam directly buried thermal insulation steel pipe welding equipment according to claim 8, characterized in that, A sponge is installed on the front side of the cleaning plate (406); a spring is installed on the rear side of the cleaning plate (406), and the other end of the spring is connected to the bent plate on the side of the C-shaped frame II (402).

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