Vertical girth welding device for pressure vessel

Abstract

The invention relates to the technical field of welding, in particular to a pressure vessel vertical girth welding device which comprises a base, a fixed rotating rod is fixedly connected to the top of the base, a supporting framework is rotatably connected to the surface of the fixed rotating rod, and a limiting sliding rod is fixedly connected to the top of the supporting framework. One end of the limiting sliding rod is fixedly connected with a motor set, and a front fixing frame, a rear fixing frame and a rotating base are movably inserted into the limiting sliding rod in a penetrating mode. According to the vertical girth welding device for the pressure vessel, the hydraulic push rod of the base can turn over the fixing device by an angle, so that the problems that the pressure vessel is large in size and heavy are solved, the pressure vessel can be conveniently placed, fixed, taken and carried when being horizontally placed, and the pressure vessel is lifted to a corresponding angle when being welded; the problem of circumferential welds of the pressure vessel is solved.

Description

Technical Field

[0001] The invention relates to the technical field of welding, in particular to a vertical annular seam welding device for a pressure vessel. Background Art

[0002] Pressure vessel, this term refers to a closed device that contains gas or liquid and bears a certain pressure. Circumferential weld welding is the welding of various circular and annular welds, and the welded weld is a closed circular ring. Vertical circumferential weld: The weld is a full-position weld mainly based on vertical welds, such as the welding of the fixed port of the horizontal pipe is a vertical circumferential weld, and of course the weld of the rotatable weld of the horizontal pipe is also a vertical circumferential weld.

[0003] However, in the existing vertical circumferential seam welding process, manual welding is generally adopted without the help of relevant auxiliary welding equipment, which not only has low production efficiency and high labor intensity for workers, but also is difficult to ensure the welding quality of the weld, resulting in many welding defects and increasing the number of weld repairs. The welding gun with auxiliary devices cannot be quickly adjusted in various directions, such as up and down, front and back position adjustment. At the same time, some large pressure vessels are loose before welding, and the vertical fixing device cannot be conveniently placed and taken away, which cannot well meet people's usage needs. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a vertical circumferential seam welding device for a pressure vessel, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A vertical circumferential seam welding device for a pressure vessel, comprising a base, a fixed rotating rod is fixedly connected to the top of the base, a support frame is rotatably connected to the surface of the fixed rotating rod, a limiting sliding rod is fixedly connected to the top of the support frame, a motor group is fixedly connected to one end of the limiting sliding rod, and a front fixed frame, a rear fixed frame and a rotating base are movably inserted in the interior of the limiting sliding rod; Two hydraulic push rods are fixedly connected inside the base, and one end of the hydraulic push rod is rotatably connected to the bottom of the support frame. A card seat block is fixedly connected to the top of the base, wherein the inclined surface of the card seat block is provided with a telescopic push rod structure; The top of the base is fixedly connected to a pile frame, the back of the pile frame is fixedly connected to a welding motor, the interior of the pile frame is fixedly connected to a lifting frame, the lifting frame is connected to a shaft sleeve seat, both ends of a bearing rod rotatably connected to the shaft sleeve seat are respectively fixedly connected with a rotating sleeve, and both ends of the bearing rod are slidably arranged inside the fixed side frame, the two rotating sleeves are fixedly connected to a mechanical arm, the interior of the mechanical arm is slidably connected to a welding mechanism, and the side of the pile frame is fixedly connected to a fixed side frame.

[0006] Optionally, the motor group includes a front end vertical plate, which is sleeved on the surface of the limiting slide rod, and the top of the front end vertical plate is fixedly connected with a rotating shaft sleeve rod, and both ends of the shaft rod in the rotating shaft sleeve rod are respectively connected to the rotating motor and the rotating disk.

[0007] Optionally, the front fixed frame includes a first sliding block, the first sliding block movably sleeved on the surface of the limiting sliding bar, the top of the first sliding block is fixedly connected to a first fixed arc block, two ends of the first fixed arc block are respectively fixedly connected to a connecting shaft, and there are three connecting shafts in total, wherein two connecting shafts are respectively fixedly connected at two ends of the first fixed arc block, the other ends of the two connecting shafts are respectively fixedly connected to side arc blocks, one inner end of one of the side arc blocks is fixedly connected to the third connecting shaft, and the other end of the third connecting shaft is fixedly connected to the top arc block, and the inner end of the other side arc block is fixedly connected to the docking socket, and a latch sleeve is fixedly connected to one side of the docking socket, a latch rod is movably inserted into the surface of the latch sleeve, one end of the top arc block is fixedly connected to a plug, the plug is slidably inserted in the docking socket, and the latch rod can lock the relative positions of the latch sleeve and the plug, and one end of the latch rod is fixedly connected to a pulling handle.

[0008] Optionally, the inner side of the first fixed arc block, the two side arc blocks and the top arc block are fixedly connected to two limit expansion rods, the limit expansion rods are telescopic rods, the other ends of the two limit expansion rods are fixedly connected to an inner arc plate, the inner part of the inner arc plate is rotatably connected to an inner rotating shaft rod, the surface of the inner rotating shaft rod is rotatably connected to a connecting belt, the connecting belt is rotatably connected to the shaft rods of two convergence gears, and the two ends of the shaft rod are respectively connected to convergence gears, the shaft rod is rotatably connected to the inner wall of the inner arc plate, and the other end of the inner rotating shaft rod is fixedly connected to an active bevel gear The surface of the active bevel gear is meshed with the driven bevel gear, the internal shaft of the driven bevel gear is connected to the transmission gear, the side of the transmission gear is meshed with the shaft-connected gear, wherein the shaft-connected gear is rotationally connected to the inner arc plate through a rotating shaft, the other side of the shaft-connected gear is fixedly connected with a threaded rod, and the surface of the threaded rod is respectively connected to the internal threads of the first fixed arc block, the two side arc blocks and the top arc block, the other end of the threaded rod passes through the first fixed arc block, the two side arc blocks and the top arc block, and a smooth rod is arranged on the outside.

[0009] Optionally, the rear fixed frame includes a second slider, the second slider is movably sleeved on the surface of the limiting sliding rod, the top of the second slider is fixedly connected to a second arc-shaped fixed block, both ends of the second arc-shaped fixed block are fixedly connected to two fixed shafts, and the insides of the two fixed shafts are fixedly sleeved with limiting rods; the surface of the limiting rod is movably inserted into the interior of the inclined frame, and the rear fixed frame has the same structure as the front fixed frame except for the two fixed shafts.

[0010] Optionally, the rotating base includes a rear end vertical plate, which is movably sleeved on the surface of the limiting slide rod, the top of the rear end vertical plate is fixedly connected to a hexagonal plate, and the two sides of the hexagonal plate are respectively fixedly connected to inclined frames, and a spring structure is fixedly connected between the rear end vertical plate and the second slider.

[0011] Optionally, the lifting frame includes a top plate, the bottom of which is fixedly connected to the top of the pile frame, the top plate is connected with a main shaft rod, the upper and lower ends of the main shaft rod are respectively connected to a driving gear and a driving motor, the side of the driving gear is meshingly connected with a driven gear, the bottom of the driven gear is fixedly connected with a slave shaft rod, and one end of the slave shaft rod passes through the top of the top plate and is connected to the top of the thin rod.

[0012] Optionally, the robotic arm includes a slide, the bottom of the slide is fixedly connected to two rotating sleeves, the side of the slide is fixedly connected to an auxiliary handle, and the side of the slide is fixedly connected to two sanding rods.

[0013] Optionally, the welding mechanism includes a welding slider, both sides of the welding slider are slidably connected to the internal slideway of the slide, and a rubbing board structure is provided on the back of the welding slider, and two movable sliding rods and a positioning spring are fixedly connected to the inside of the welding slider, and the top of the positioning spring is fixedly connected to a movable plate, and the top of the movable plate is fixedly connected to a rotating wheel seat, and the internal rotating rod of the rotating wheel seat is fixedly inserted and connected to the bottom of the fixed rotating frame, and the side surface of the rotating wheel seat and one end of the rotating rod of the fixed rotating frame are respectively fixedly connected to the gear structure of the angle adjustment group, and the two gear structures of the angle adjustment group are meshed, and the other side of the gear connecting the fixed rotating frame and the angle adjustment group is fixedly connected to the rudder handle, and the inside of the fixed rotating frame is fixedly connected to a welding gun, and the movable sliding rod is inserted and connected to the inside of the lower pressure frame; A handle is fixedly connected to the inside of the lower pressure frame, and a pull handle is spring-connected to the bottom of the handle. A stretching plate is fixedly connected to the bottom of the pull handle. Both ends of the stretching plate are respectively connected to the outer surface of the pull rod through stretching belts. Two propulsion rotating groups are fixedly connected to the inner side of the pull rod, and each propulsion rotating group is composed of two elliptical plates and a rotating shaft. One end of the two propulsion rotating groups is fixedly connected to a square plate, and the bottom of the square plate is slidably connected to the inside of the spring frame, and the side of the square plate is fixedly connected to the spring inside the spring frame, and the top of the square plate is fixedly connected to a clamping plate.

[0014] A back frame is fixedly connected to the rear of the lower pressure frame, a telescopic spring rod is connected through the interior of the back frame, the telescopic spring rod is connected through the interior of two inward-pressing handles, and one side of the two inward-pressing handles is respectively connected to the surface spring of the telescopic spring rod inside the back frame, both ends of the telescopic spring rod are respectively fixedly connected to clamping blocks, and the clamping blocks are composed of an L-shaped rod and a U-shaped block, wherein the U-shaped block is sleeved on the surface of the frosted rod.

[0015] The present invention provides a vertical annular seam welding device for a pressure vessel, which has the following beneficial effects: 1. The vertical circumferential seam welding device for pressure vessels can flip the angle of the fixing device through the hydraulic push rod of the base to solve the problem of the pressure vessel itself being bulky and heavy. When it is laid flat, it can be easily placed, fixed and carried. When welding, it can be lifted to a corresponding angle to solve the problem of the circumferential weld of the pressure vessel.

[0016] 2. The vertical circumferential seam welding device for pressure vessels can be opened to the maximum extent through the connecting shaft of the fixing device to reduce obstacles during placement. At the same time, the restraining device of the fixing device can also adjust the front and rear positions, and the adjustable inner arc plate inside the fixing device can be matched and fixed according to the length and diameter of the pressure vessel, thereby increasing the versatility of the welding equipment. When the pressure vessel rotates, the internal structure of the inner arc plate can be converted into extrusion force along with the rotational force, so as to better fit the outer wall of the pressure vessel and maintain stability during welding.

[0017] 3. The vertical circumferential seam welding device for pressure vessels can drive the mechanical arm to be lifted when the height of the mechanical arm needs to be adjusted through the lifting structure inside the pile frame during the up and down movement of the shaft sleeve seat. When it is lifted to the corresponding position, the handle is pulled to facilitate tilting and inserting into the notch of the fixed side frame, so that the mechanical arm and the rotating sleeve can be movably rotated to adjust the height and angle of the mechanical arm.

[0018] 4. The vertical circumferential seam welding device for pressure vessels adjusts the front and rear positions of the welding mechanism in the mechanical arm through the linkage of the welding slider and the internal pressure handle structure of the welding mechanism, as well as the clamping block on the surface of the frosted rod. The operation is simple and convenient, and the fixing method is not limited by distance and gear position, and pressure vessels of different lengths can also be welded quickly.

[0019] 5. The vertical circumferential seam welding device for pressure vessels can adjust the spray welding angle of the welding gun through the angle adjustment group inside the welding slider, and the distance between the welding gun and the pressure vessel can be adjusted by pressing down the handle to increase the welding effect and maintain the welding temperature. The mechanical arm itself is stable. When adjustment is needed, the handle at the bottom of the handle can be pulled to adjust the downward distance in stages, or the welding gun can be lifted. In some pressure vessels with concave structures, it can also be adjusted at any time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention (first viewing angle); Figure 2 is a schematic diagram of the three-dimensional structure of the present invention (second viewing angle); Figure 3 is a schematic diagram of the three-dimensional structure of the present invention (third viewing angle); Figure 4 It is a partial structural diagram of the present invention. Figure 1 ; Figure 5 It is a partial structural diagram of the present invention. Figure 2 ; Figure 6 It is a partial structural diagram of the present invention. Figure 3 ; Figure 7 It is a partial structural diagram of the present invention. Figure 4 ; Figure 8 It is a partial structural diagram of the present invention. Figure 5 ; Fig. 9 It is a partial structural diagram of the present invention. Figure 6 ; Fig.10 It is a partial structural diagram of the present invention. Figure 7 ; Fig.11 It is a partial structural diagram of the present invention. Figure 8 ; Fig.12 It is a partial structural diagram of the present invention. Figure 9 ; Fig.13 It is a partial structural diagram of the present invention. Figure 10 ; Fig.14 It is a partial structural diagram of the present invention. Figure 10 one; Fig.15 It is a partial structural diagram of the present invention. Figure 10 two; Fig.16 It is a partial structural diagram of the present invention. Figure 10 three; Fig.17 It is a partial structural diagram of the present invention. Figure 10 Four; Fig.18 It is a partial structural diagram of the present invention. Figure 10 five; Fig.19 It is a partial structural diagram of the present invention. Figure 10 six.

[0021] In the figure: 1, base; 2, fixed rotating rod; 3, supporting frame; 4, limited sliding rod; 5, motor group; 501, front vertical plate; 502, rotating shaft sleeve rod; 503, rotating motor; 504, rotating disk; 6, front fixed frame; 601, first sliding block; 602, first fixed arc block; 603, connecting shaft; 604, side arc block; 605, top arc block; 606, plug; 607, latch rod; 608, pull handle; 609, latch sleeve; 6010, docking socket; 6011, limited extension rod; 6012, fixed arc block; 6013, fixed arc block; 6014, fixed arc block; 6015, fixed arc block; 6016, fixed arc block; 6017, fixed arc block; 6018, fixed arc block; 6019, fixed arc block; 610, fixed arc block; 611, fixed arc block; 612, fixed arc block; 613, fixed arc block; 614, fixed arc block; 615, fixed arc block; 616, fixed arc block; 617, fixed arc block; 618, fixed arc block; 619, fixed arc block; 620, fixed arc block; 621, fixed arc block; 622, fixed arc block; 623, fixed arc block; 624, fixed arc block; 625, fixed arc block; 626, fixed arc block; 627, fixed arc block; 628, fixed arc block; 629, fixed arc block; 630, fixed arc block; 631, fixed arc block; 632, fixed arc block; 633, fixed arc block; 634, fixed arc block; 635, fixed arc block; 636, fixed arc block; 637, fixed arc block; 638, fixed 012, inner arc plate; 6013, inner rotating shaft rod; 6014, connecting belt; 6015, convergence gear; 6016, active bevel gear; 6017, driven bevel gear; 6018, transmission gear; 6019, shaft-connected gear; 6020, threaded rod; 7, rear fixed frame; 701, second slider; 702, second arc-shaped fixed block; 703, fixed shaft; 704, limiting rod; 705, inclined frame; 8, rotating base; 801, rear end vertical plate; 802, hexagonal plate; 803, driven wheel disc; 804, connecting sleeve cylinder; 9, hydraulic push rod; 10, card seat block; 11, pile frame; 12, welding motor; 13, lifting frame; 1301, top plate; 1302, main shaft rod; 1303, driving motor; 1304, driving gear; 1305, driven gear; 1306, slave shaft rod; 1307, thin rod; 14, sleeve seat; 15, rotating sleeve; 16, mechanical arm; 1601, slide; 1602, auxiliary handle; 1603, frosting rod; 17, welding mechanism; 1701, welding slider; 1702, movable slide rod; 1703, positioning spring; 1704, movable plate; 1705, rotating wheel seat; 1706, angle adjustment group; 1707, fixed rotating frame; 1708, welding gun; 1709, lower pressure frame; 1710, grip; 1711, pull handle; 1712, stretching plate; 1713, pull rod; 1714, push rotating group; 1715, square plate; 1716, spring frame; 1717, clamping plate; 1718, back frame; 1719, telescopic spring rod; 1720, inner pressure handle; 1721, clamp block; 18, fixed side frame. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figures 1 to 19The present invention provides a technical solution: a vertical circumferential seam welding device for a pressure vessel, comprising a base 1, a fixed rotating rod 2 is fixedly connected to the top of the base 1, a support frame 3 is rotatably connected to the surface of the fixed rotating rod 2, a limiting sliding rod 4 is fixedly connected to the top of the support frame 3, one end of the limiting sliding rod 4 is axially connected to a motor group 5, and a front fixed frame 6, a rear fixed frame 7 and a rotating base 8 are movably inserted in the interior of the limiting sliding rod 4; Two hydraulic push rods 9 are fixedly connected inside the base 1, and one end of the hydraulic push rod 9 is rotatably connected to the bottom of the support frame 3. A card seat block 10 is fixedly connected to the top of the base 1, wherein the inclined surface of the card seat block 10 is provided with an electric telescopic rod structure; The top of the base 1 is fixedly connected to a pile frame 11, the back of the pile frame 11 is fixedly connected to a welding motor 12, the interior of the pile frame 11 is fixedly connected to a lifting frame 13, the lifting frame 13 is connected to a shaft sleeve seat 14, and the two ends of the bearing rod dynamically connected to the shaft sleeve seat 14 are respectively fixedly penetrated and connected with a rotating sleeve (15, and the two ends of the bearing rod are slidably arranged inside the fixed side frame 18, such as Figure 5 As shown, both ends of the bearing rod are fixedly provided with vertical plate structures for cooperating with the fixed side frame 18. Specifically, both ends of the bearing rod are slidably provided inside the fixed side frame 18, the two rotating sleeves 15 are externally fixedly connected with the mechanical arm 16, and the mechanical arm 16 is internally slidably connected with the welding mechanism 17. Figure 2 , Fig.18 As shown, two fixed side frames 18 are fixedly connected to the side of the pile frame 11, and the two fixed side frames 18 are both set to a mountain-shaped structure, and the opposite side of the two fixed side frames 18 is set to a hollow structure, and at the same time, an inclined opening structure is set between each node of the mountain shape of the two fixed side frames 18, and the vertical plate structure at both ends of the sleeve seat 14 can cooperate with the inclined opening structure, so as to limit the rotation range of the mechanical arm 16 and the rotating sleeve 15, and provide a limit support for the mechanical arm 16 when it rotates to the set position.

[0024] The motor group 5 includes a front end vertical plate 501, which is sleeved on the surface of the limiting slide rod 4. The top of the front end vertical plate 501 is fixedly connected with a rotating shaft sleeve rod 502, and the two ends of the shaft rod in the rotating shaft sleeve rod 502 are respectively connected to the rotating motor 503 and the rotating disk 504.

[0025] The front fixed frame 6 includes a first slider 601, which is movably sleeved on the surface of the limit slide bar 4. The top of the first slider 601 is fixedly connected with a first fixed arc block 602, and both ends of the first fixed arc block 602 are respectively fixedly connected with connecting shafts 603, and there are three connecting shafts 603 in total, wherein two connecting shafts 603 are respectively fixedly connected at both ends of the first fixed arc block 602, and the other ends of the two connecting shafts 603 are respectively fixedly connected with side arc blocks 604, and the inner end of one of the side arc blocks 604 is fixedly connected with a third connecting shaft 603, and the third connecting shaft 603 is fixedly connected to the inner end of the side arc block 604. The other end of the connecting shaft 603 is fixedly connected to a top arc block 605, and the inner end of the other side arc block 604 is fixedly connected to a docking socket 6010, and a latch sleeve 609 is fixedly connected to one side of the docking socket 6010. A latch rod 607 is movably inserted into the surface of the latch sleeve 609, and one end of the top arc block 605 is fixedly connected to a plug 606, and the plug 606 is slidably inserted into the docking socket 6010. The latch rod 607 can lock the relative positions of the latch sleeve 609 and the plug 606, and one end of the latch rod 607 is fixedly connected to a pulling handle 608.

[0026] The inner side of the first fixed arc block 602, the two side arc blocks 604 and the top arc block 605 are all fixedly connected with two limit spreader rods 6011, the limit spreader rods 6011 are telescopic rods, the other ends of the two limit spreader rods 6011 are fixedly connected with an inner arc plate 6012, the inner part of the inner arc plate 6012 is rotatably connected with an inner rotating shaft rod 6013, the surface of the inner rotating shaft rod 6013 is rotatably connected with a connecting belt 6014, the connecting belt 6014 is rotatably connected to the shaft rods of two convergence gears 6015, and the two ends of the shaft rod are respectively connected with convergence gears 6015, the shaft rod is rotatably connected to the inner wall of the inner arc plate 6012, the other end of the inner rotating shaft rod 6013 is fixedly connected with an active bevel gear 6016, the The surface of the active bevel gear 6016 is meshedly connected with a driven bevel gear 6017, the internal shaft of the driven bevel gear 6017 is penetrated and connected to the transmission gear 6018, and the side of the transmission gear 6018 is meshedly connected with a shaft-connected gear 6019, wherein the shaft-connected gear 6019 is rotationally connected to the inner arc plate 6012 through a rotating shaft, and the other side of the shaft-connected gear 6019 is fixedly connected with a threaded rod 6020, and the surfaces of the threaded rod 6020 are respectively connected to the internal threads of the first fixed arc block 602, the two side arc blocks 604 and the top arc block 605, the other end of the threaded rod 6020 penetrates the first fixed arc block 602, the two side arc blocks 604 and the top arc block 605, and a smooth rod is arranged on the outside.

[0027] The rear fixed frame 7 includes a second slider 701, which is movably sleeved on the surface of the limiting slide rod 4, and the top of the second slider 701 is fixedly connected with a second arc-shaped fixed block 702, and the two ends of the second arc-shaped fixed block 702 are fixedly connected with two fixed shafts 703, and the inner parts of the two fixed shafts 703 are fixedly sleeved with limiting rods 704; the surface of the limiting rods 704 is movably inserted into the interior of the inclined frame 705, and the rear fixed frame 7 is consistent with the front fixed frame 6 in structure except for the two fixed shafts 703.

[0028] The rotating base 8 includes a rear end vertical plate 801, which is movably sleeved on the surface of the limiting slide rod 4, and the top of the rear end vertical plate 801 is fixedly connected to a hexagonal plate 802, and the two sides of the hexagonal plate 802 are respectively fixedly connected to an inclined frame 705, and a spring structure is fixedly connected between the rear end vertical plate 801 and the second slider 701.

[0029] The lifting frame 13 includes a top plate 1301, the bottom of which is fixedly connected to the top of the pile frame 11, a main shaft rod 1302 is connected through the top plate 1301, and the upper and lower ends of the main shaft rod 1302 are respectively connected to a driving motor 1303 and a driving gear 1304, the side of the driving gear 1304 is meshedly connected to a driven gear 1305, the bottom of the driven gear 1305 is fixedly connected to a slave shaft rod 1306, and one end of the slave shaft rod 1306 passes through the interior of the top plate 1301 and is connected to the top of a thin rod 1307, the side surface of the thin rod 1307 is threadedly connected to the sleeve seat 14, and the interiors of the two ends of the sleeve seat 14 are respectively fixedly connected with bearing rods, and the outer surfaces of the bearing rods are rotatably connected to rotating sleeves 15, and the ends of the bearing rods are fixedly connected to vertical plates.

[0030] The mechanical arm 16 includes a slide 1601 , the bottom of which is fixedly connected to the outer surfaces of the two rotating sleeves 15 , an auxiliary handle 1602 is fixedly connected to the side of the slide 1601 , and two grinding rods 1603 are fixedly connected to the side of the slide 1601 .

[0031] The welding mechanism 17 includes a welding slider 1701. Both sides of the welding slider 1701 are slidably connected to the inner slideway of the slide 1601. The back of the welding slider 1701 is provided with a washboard structure (such as Fig. 9As shown in the figure, the washboard structure is provided with a plurality of raised strips, and two movable slide bars 1702 and a positioning spring 1703 are fixedly connected inside the welding slider 1701, and a movable plate 1704 is fixedly connected to the top of the positioning spring 1703, and a rotating wheel seat 1705 is fixedly connected to the top of the movable plate 1704, and the internal rotating rod of the rotating wheel seat 1705 is fixedly connected to the bottom of the fixed rotating frame 1707, and the side of the rotating wheel seat 1705 and one end of the rotating rod of the fixed rotating frame 1707 are fixedly connected to the gear structure of the angle adjustment group 1706, and the two gear structures of the angle adjustment group 1706 are meshedly connected, and the other side of the gear connected between the fixed rotating frame 1707 and the angle adjustment group 1706 is fixedly connected with a rudder handle, and the interior of the fixed rotating frame 1707 is fixedly connected with a welding gun 1708, and the movable slide bar 1702 is inserted and connected to the interior of the lower pressure frame 1709.

[0032] like Fig.11 , Fig.19 As shown, the lower pressure frame 1709 is fixedly connected to a handle 1710, and the bottom spring of the handle 1710 is connected to a pull handle 1711, and the bottom of the pull handle 1711 is fixedly connected to a stretching plate 1712, and the two ends of the stretching plate 1712 are respectively connected to the outer surface of the pull rod 1713 through a stretching belt. When the stretching plate 1712 moves up, the stretching belt can pull the outer surface of the pull rod 1713 to rotate, and the inner side of the pull rod 1713 is fixedly connected to two propulsion rotation groups 1714, and each propulsion rotation group 1714 is composed of two elliptical plates and a rotating shaft. One end of the two propulsion rotation groups 1714 is fixedly connected to a square plate 1715, and the bottom of the square plate 1715 is slidably connected to the inside of the spring frame 1716, and the side of the square plate 1715 is fixedly connected to the spring inside the spring frame 1716, and the top of the square plate 1715 is fixedly connected to a clamping plate 1717.

[0033] A back frame 1718 is fixedly connected to the back of the lower pressure frame 1709, and a telescopic spring rod 1719 is connected to the inside of the back frame 1718 through the inside of the telescopic spring rod 1719, and the telescopic spring rod 1719 is connected to the inside of the two inner pressure handles 1720, and one side of the two inner pressure handles 1720 is respectively connected to the surface spring of the telescopic spring rod 1719 inside the back frame 1718, and the two ends of the telescopic spring rod 1719 are respectively fixedly connected with a clamping block 1721, and the clamping block 1721 is composed of an L-shaped rod and a U-shaped block, wherein the U-shaped block is sleeved on the surface of the frosted rod 1603.

[0034] In summary, when the vertical circumferential seam welding device for pressure vessels is used, the pressure vessel components are first placed on the inner arc plates 6012 of the first fixed arc block 602 and the second arc fixed block 702 inside the front fixing frame 6 and the rear fixing frame 7, and then the side arc blocks 604 and the top arc block 605 are closed respectively through the connecting shaft 603, and the plug 606 at one end of the top arc block 605 is inserted into the inside of the docking socket 6010, and the pull handle 608 is held to insert the latch rod 607 to fix the plug 606, and then the latch rod 607 is rotated in the latch sleeve 609 and is clamped and fixed, and according to the front and rear distances of the pressure vessel, the front surface of the limit slide rod 4 inside the support frame 3 is dragged. The first slider 601 and the second slider 701 of the fixed frame 6 and the rear fixed frame 7, and for pressure vessels with different tail sizes, the rotating base 8 connected to the rear fixed frame 7 is adjusted, wherein the inclined frame 705 on the side of the hexagonal plate 802 of the rotating base 8 slides on the limiting rod 704 extending from the fixed shaft 703, wherein the spring structure of the second slider 701 and the rear end vertical plate 801 does not deform, when the size of the pressure vessel is fixed, the hydraulic push rod 9 inside the base 1 pushes up the support frame 3, and after rotating around the fixed rotating rod 2 to a set angle, the telescopic push rod of the card seat block 10 extends into the connecting sleeve 804 and pushes upward until the top of the pressure vessel fits with the rotary disk 504; Then, according to the diameter of the pressure vessel, the driving motor 1303 of the lifting frame 13 is started, so that the main shaft rod 1302 inside the top plate 1301 drives the driving gear 1304 to rotate, and the driven gear 1305 meshed with the driving gear 1304 rotates, and the driven shaft rod 1306 and the thin rod 1307 at the bottom of the driven gear 1305 rotate, and the shaft sleeve seat 14 on the surface of the thin rod 1307 drives the mechanical arm 16 to move up and down. After reaching the corresponding height position, hold the auxiliary handle 1602 to pull the mechanical arm 16 so that the rotating sleeve 15 rotates and is fixed at the fixed notch of the fixed side frame 18, and also maintains an inclined state. At this time, the welding mechanism 17 and the pressure vessel remain parallel; Then, the rotating motor 503 of the motor group 5 connected to the pressure vessel is started, driving the rotating shaft sleeve rod 502 and the rotating disk 504 to rotate. At this time, the pressure vessel rotates and the driven wheel disk 803 of the rotating base 8 rotates accordingly. When the pressure vessel rotates slowly, it drives the closing gear 6015 of the inner arc plate 6012 to rotate, and the connecting belt 6014 inside the closing gear 6015 drives the inner rotating shaft rod 6013 to rotate. Then the active bevel gear 6016 and the driven bevel gear 6017 rotate together, and the transmission gear 6018 and the shaft gear 6019 connected to the driven bevel gear 6017 rotate. Then the threaded rod 6020 pushes the inner arc plate 6012 along the inside of the front fixed frame 6 and the rear fixed frame 7 to fit and fix the pressure vessel. , since when the pressure vessel is initially placed inside the front fixing frame 6 and the rear fixing frame 7, the weight of the pressure vessel is all on the closing gear 6015 on the lower inner arc plate 6012, and there is still some gap with other closing gears 6015, through the above operation, the inner arc plate 6012 gradually approaches the outer surface of the pressure vessel, so that all the closing gears 6015 can rotate in coordination with the surface of the pressure vessel, and a plastic soft rubber layer is provided on the outer surface of the closing gear 6015 to avoid scratching the pressure vessel. In addition, when the threaded rod 6020 moves forward to the corresponding set position, the smooth rod of the threaded rod 6020 begins to cooperate with the first fixed arc block 602 and the second arc fixed block 702, and the inner arc plate 6012 no longer has a displacement action, thereby preventing the pressure vessel from rotating; After aligning the welding gun 1708 with the welding position, start the welding motor 12, turn on the welding gun 1708 switch and continue spray welding. During the welding process, if the welding distance needs to be adjusted, hold the handle 1710 and press it down so that the clamping plate 1717 is clamped and fixed on the washboard on the back of the welding slider 1701. You can also continue to press down to adjust the spacing, and at the same time turn the rudder handle of the angle adjustment group 1706, and then adjust the fixed rotating frame 1707 to rotate on the rotating wheel seat 1705 to adjust the spray welding angle. When you need to lift the welding gun 1708, pull the handle 1711 at the bottom of the handle 1710. The extension plate 1712 is lifted up by the force, and the stretching belt pulls the pull rod 1713 to rotate, and the elliptical plate of the push-rotating group 1714 pushes the square plate 1715 inside the spring frame 1716 forward, thereby loosening the clamping plate 1717 in the washboard. When it is necessary to adjust the front and rear position of the welding mechanism 17, hold the internal pressure handle 1720 tightly to make the telescopic spring rod 1719 in the back frame 1718 close, and make the clamp block 1721 separate from the frosting rod 1603. When it slides along the slide 1601 to the required position, release the internal pressure handle 1720 again to make the clamp block 1721 re-fixed on the side of the frosting rod 1603.

Claims

1. A pressure vessel vertical circumferential seam welding device, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a fixed rotating rod (2), the surface of the fixed rotating rod (2) is rotatably connected to a supporting frame (3), the top of the supporting frame (3) is fixedly connected to a limiting sliding rod (4), one end of the limiting sliding rod (4) is fixedly connected to a motor group (5), and the interior of the limiting sliding rod (4) is movably interspersed with a front fixed frame (6), a rear fixed frame (7) and a rotating base (8); Two hydraulic push rods (9) are fixedly connected inside the base (1), and one end of the hydraulic push rod (9) is rotatably connected to the bottom of the support frame (3); a card seat block (10) is fixedly connected to the top of the base (1), wherein the inclined surface of the card seat block (10) is provided with a telescopic push rod structure; The top of the base (1) is fixedly connected to a pile frame (11), the back of the pile frame (11) is fixedly connected to a welding motor (12), the interior of the pile frame (11) is fixedly connected to a lifting frame (13), the lifting frame (13) is connected to a shaft sleeve seat (14), both ends of a bearing rod rotatably connected to the shaft sleeve seat (14) are respectively fixedly connected to a rotating sleeve (15) through the shaft sleeve seat (14), and both ends of the bearing rod are slidably arranged inside a fixed side frame (18), the two rotating sleeves (15) are fixedly connected to a mechanical arm (16), the interior of the mechanical arm (16) is slidably connected to a welding mechanism (17), and the side of the pile frame (11) is fixedly connected to a fixed side frame (18).

2. A vertical circumferential seam welding device for pressure vessels according to claim 1, characterized in that: The motor group (5) comprises a front end vertical plate (501), the front end vertical plate (501) being sleeved on the surface of the limit sliding rod (4), the top of the front end vertical plate (501) being fixedly connected to a rotating shaft sleeve rod (502), and the two ends of the shaft rod in the rotating shaft sleeve rod (502) being respectively connected to the rotating motor (503) and the rotating disc (504).

3. A vertical circumferential seam welding device for pressure vessels according to claim 1, characterized in that: The front fixed frame (6) comprises a first sliding block (601), the first sliding block (601) is movably sleeved on the surface of the limiting sliding rod (4), the top of the first sliding block (601) is fixedly connected to a first fixed arc block (602), both ends of the first fixed arc block (602) are respectively fixedly connected to connecting shafts (603), and there are three connecting shafts (603), wherein two connecting shafts (603) are respectively fixedly connected to both ends of the first fixed arc block (602), and the other ends of the two connecting shafts (603) are respectively fixedly connected to side arc blocks (604), and the inner end of one of the side arc blocks (604) is fixedly connected to a third connecting shaft (603), and the third connecting shaft (603) is fixedly connected to the inner end of the third connecting shaft (603). The other end of the connecting shaft (603) is fixedly connected to a top arc block (605), the inner end of the other side arc block (604) is fixedly connected to a docking socket (6010), one side of the docking socket (6010) is fixedly connected to a latch sleeve (609), the surface of the latch sleeve (609) is movably plugged with a latch rod (607), one end of the top arc block (605) is fixedly connected to a plug (606), the plug (606) is slidably plugged into the docking socket (6010), the latch rod (607) can lock the relative positions of the latch sleeve (609) and the plug (606), and one end of the latch rod (607) is fixedly connected to a pulling handle (608).

4. A vertical circumferential seam welding device for a pressure vessel according to claim 3, characterized in that: The first fixed arc block (602), the two side arc blocks (604) and the top arc block (605) are all fixedly connected to the inner side with two limit spreader rods (6011), the limit spreader rods (6011) are telescopic rods, the other ends of the two limit spreader rods (6011) are fixedly connected to the inner arc plate (6012), the inner part of the inner arc plate (6012) is rotatably connected to the inner rotating shaft rod (6013), the surface of the inner rotating shaft rod (6013) is rotatably connected to a connecting belt (6014), the connecting belt (6014) is rotatably connected to the shaft rod of two convergence gears (6015), and the two ends of the shaft rod are respectively connected to the convergence gears (6015), the shaft rod is rotatably connected to the inner wall of the inner arc plate (6012), the other end of the inner rotating shaft rod (6013) is fixedly connected to the active bevel gear (6016), the active bevel gear (6016) is fixedly ... active bevel gear (6016) is fixedly connected to the inner rotating shaft rod (6013), the active bevel gear (6016) is fixedly connected to the inner rotating shaft rod (6013), the active bevel gear (6016) is fixedly connected to the inner rotating shaft rod (6013), the active bevel gear (6016) is fixedly connected to the inner rotating shaft rod (6013), the active bevel gear (6016) is fixedly connected to the inner rotating shaft rod (6013), the active bevel gear (6016) is The surface of the movable bevel gear (6016) is meshedly connected with a driven bevel gear (6017), the internal shaft of the driven bevel gear (6017) is connected to the transmission gear (6018), and the side of the transmission gear (6018) is meshedly connected with a shaft-connecting gear (6019), wherein the shaft-connecting gear (6019) is rotationally connected to the inner arc plate (6012) via a rotating shaft, and the other side of the shaft-connecting gear (6019) is fixedly connected with a threaded rod (6020), and the surface of the threaded rod (6020) is respectively connected to the internal threads of the first fixed arc block (602), the two side arc blocks (604) and the top arc block (605), and the other end of the threaded rod (6020) passes through the first fixed arc block (602), the two side arc blocks (604) and the top arc block (605), and a section of smooth rod is arranged on the outside.

5. A vertical circumferential seam welding device for pressure vessels according to claim 4, characterized in that: The rear fixed frame (7) comprises a second sliding block (701), the second sliding block (701) is movably sleeved on the surface of the limiting sliding rod (4), the top of the second sliding block (701) is fixedly connected to a second arc-shaped fixed block (702), two ends of the second arc-shaped fixed block (702) are fixedly connected to two fixed shafts (703), and the interiors of the two fixed shafts (703) are fixedly sleeved with limiting rods (704); the surface of the limiting rods (704) is movably inserted into the interior of the inclined frame (705), and the rear fixed frame (7) has the same structure as the front fixed frame (6) except for the two fixed shafts (703).

6. A vertical circumferential seam welding device for a pressure vessel according to claim 5, characterized in that: The rotating base (8) comprises a rear end vertical plate (801), the rear end vertical plate (801) being movably sleeved on the surface of the limit slide bar (4), the top of the rear end vertical plate (801) being fixedly connected to a hexagonal plate (802), and both sides of the hexagonal plate (802) being fixedly connected to inclined frames (705), and a spring structure being fixedly connected between the rear end vertical plate (801) and the second slide block (701).

7. A vertical circumferential seam welding device for a pressure vessel according to claim 6, characterized in that: The lifting frame (13) comprises a top plate (1301), the bottom of the top plate (1301) is fixedly connected to the top of the pile frame (11), the top plate (1301) is connected with a main shaft rod (1302) through it, the upper and lower ends of the main shaft rod (1302) are respectively connected with a driving gear (1304) and a driving motor (1303), the side of the driving gear (1304) is meshingly connected with a driven gear (1305), the bottom of the driven gear (1305) is fixedly connected with a slave shaft rod (1306), and one end of the slave shaft rod (1306) passes through the top of the top plate (1301) and is connected to the top of the thin rod (1307).

8. A vertical circumferential seam welding device for a pressure vessel according to claim 7, characterized in that: The mechanical arm (16) comprises a slide (1601), the bottom of the slide (1601) is fixedly connected to two rotating sleeves (15), the side of the slide (1601) is fixedly connected to an auxiliary handle (1602), and the side of the slide (1601) is fixedly connected to two grinding rods (1603).

9. A vertical circumferential seam welding device for a pressure vessel according to claim 8, characterized in that: The welding mechanism (17) comprises a welding slider (1701), the two sides of the welding slider (1701) are slidably connected to the internal slideway of the slide frame (1601), a washboard structure is provided on the back of the welding slider (1701), two movable slide bars (1702) and a positioning spring (1703) are respectively fixedly connected inside the welding slider (1701), a movable plate (1704) is fixedly connected to the top of the positioning spring (1703), a rotating wheel seat (1705) is fixedly connected to the top of the movable plate (1704), and a rotating rod inside the rotating wheel seat (1705) is fixedly connected. The bottom of the fixed rotating frame (1707) is connected through the rotation wheel seat (1705), and the side of the rotating wheel seat (1705) and one end of the rotating rod of the fixed rotating frame (1707) are respectively fixedly connected to the gear structure of the angle adjustment group (1706), and the two gear structures of the angle adjustment group (1706) are meshedly connected, and the other side of the gear connecting the fixed rotating frame (1707) and the angle adjustment group (1706) is fixedly connected to the rudder handle, the interior of the fixed rotating frame (1707) is fixedly connected to the welding gun (1708), and the movable sliding rod (1702) is connected through the rotation wheel seat (1705) and the gear structure of the fixed rotating frame (1707) and the angle adjustment group (1706) are meshedly connected. The lower pressure frame (1709) is fixedly connected to a handle (1710) inside, the bottom spring of the handle (1710) is connected to a pull handle (1711), the bottom of the pull handle (1711) is fixedly connected to a stretching plate (1712), the two ends of the stretching plate (1712) are respectively connected to the outer surface of the pull rod (1713) through a stretching belt, the inner side of the pull rod (1713) is fixedly connected to two propulsion rotation groups (1714), and each propulsion rotation group (1714) is composed of two elliptical plates and a rotating shaft, one end of the two propulsion rotation groups (1714) is fixedly connected to a square plate (1715), the bottom of the square plate (1715) is slidably connected to the inside of the spring frame (1716), and the side of the square plate (1715) is fixedly connected to the spring inside the spring frame (1716), and the top of the square plate (1715) is fixedly connected to a clamping plate (1717).

10. A vertical circumferential seam welding device for a pressure vessel according to claim 9, characterized in that: The back of the lower pressure frame (1709) is fixedly connected to a back frame (1718), and a telescopic spring rod (1719) is connected to the inside of the back frame (1718). The telescopic spring rod (1719) is connected to the inside of two inner pressure handles (1720), and one side of the two inner pressure handles (1720) is respectively connected to the surface spring of the telescopic spring rod (1719) inside the back frame (1718), and the two ends of the telescopic spring rod (1719) are respectively fixedly connected to a clamping block (1721), and the clamping block (1721) is composed of an L-shaped rod and a U-shaped block, wherein the U-shaped block is sleeved on the surface of the frosted rod (1603).

Images