Intelligent robot welding device for oil storage tank
By designing an intelligent robotic welding device with worm gear transmission and motor drive, the problem of guide rail instability caused by the curvature of the steel plate of the oil storage tank was solved, thus improving the stability and quality of welding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-04-10
AI Technical Summary
When welding oil storage tanks, existing welding robots encounter problems with the guide rail placement due to the curvature of the steel plate after rolling, which affects the welding quality.
An intelligent robotic welding device was designed, comprising two guide rails, a connecting rod, a moving platform, and supporting legs. By utilizing worm gear transmission and motor drive, the vertical positioning of the supporting legs and the stable movement of the moving platform are achieved, ensuring the stability of the welding robot.
By vertically positioning the support legs and ensuring stable movement of the mobile platform, the smoothness and quality of welding are improved, and the welding problems caused by guide rail instability are solved.
Smart Images

Figure CN224102142U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welding field especially relates to a kind of intelligent robot welding device of oil storage tank. BACKGROUND
[0002] Most of welding in oil storage tank adopts welding trolley (mobile welding robot), mainly to solve the limitations of traditional manual welding, and meet the special structure of oil storage tank, operation environment and process requirements.
[0003] When the existing welding robot is welded, after the steel plate for making tank body is coiled in coiling machine, the staff needs to place guide rail on the steel plate first, and then install welding robot at guide rail, since the steel plate after coiling has certain arc, guide rail directly placed in tank body can lead to very unstable welding, affect welding quality.
[0004] Therefore, it is necessary to provide a new intelligent robot welding device of oil storage tank to solve the above technical problems. UTILITY MODEL CONTENT
[0005] To solve the above technical problems, the utility model provides an intelligent robot welding device of oil storage tank, which solves the problem that the steel plate after coiling has certain arc, so that guide rail directly placed in tank body can lead to very unstable welding, affect welding quality.
[0006] The intelligent robot welding device of oil storage tank provided by the utility model includes two guide rails, a plurality of connecting rods are fixed between the two guide rails, a moving platform is slidably arranged on the two guide rails, a welding robot is installed on the moving platform, two mounting shafts are movably arranged between the two guide rails, a supporting leg is fixed on the mounting shaft, one side of one of the guide rails is provided with a rotating shaft, one end of the rotating shaft is fixedly connected with the mounting shaft.
[0007] A worm wheel is installed on the rotating shaft, a base is fixed on one side of the guide rail through a plurality of screws, two limiting seats are fixed on the base at intervals, a worm is movably arranged between the two limiting seats, and the worm is engaged with the worm wheel.
[0008] In a preferred embodiment, the worm is an Archimedes single-head worm, and the worm and the worm wheel adopt closed transmission.
[0009] In a preferred embodiment, one end of the worm extends out of the limiting seat and is provided with a shaking hand.
[0010] In a preferred embodiment, a first positioning block is fixed on the mounting shaft, and a second positioning block is fixed on one side of the guide rail.
[0011] In a preferred embodiment, the guide rail is fixed with a rack on one side, and the moving platform is fixed with a side seat on one side, and a transmission shaft is movably arranged on the side seat;
[0012] The moving platform is provided with a displacement motor, one end of the transmission shaft is connected with the output end of the displacement motor through a shaft coupling, and the other end is provided with a gear, and the gear is engaged with the rack.
[0013] The utility model discloses the beneficial effects of:
[0014] When the welding device is used, after the plate rolling machine rolls the steel plate into a circle, the staff only needs to place two guide rails on the steel plate, rotates the handle to make the supporting legs move to the vertical position, and the two supporting legs can stably support the welding robot, guarantee the stability of welding, improve the welding quality, and after welding, the handle can be reversed to move the supporting legs to the horizontal position, facilitating the removal of the welding robot and the two guide rails from the steel plate. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The utility model provides the main structure solid view of intelligent robot welding device of oil storage tank Figure 1 ;
[0016] Figure 2 For Figure 1 The enlarged structural schematic drawing of A is shown in the figure.
[0017] Figure 3 The utility model provides the main structure solid view of intelligent robot welding device of oil storage tank Figure 2 ;
[0018] Figure 4 For Figure 3 The enlarged structural schematic drawing of B is shown in the figure.
[0019] Reference numerals in the figure: 1, guide rail, 2, moving platform, 3, welding robot, 4, mounting shaft, 5, supporting leg, 6, rotating shaft, 7, worm wheel, 8, base, 9, limit seat, 10, worm, 11, handle, 12, first positioning block, 13, second positioning block, 14, rack, 15, side seat, 16, transmission shaft, 17, displacement motor, 18, gear. DETAILED DESCRIPTION
[0020] The utility model will be further described below in combination with the drawings and embodiments.
[0021] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , wherein Figure 1The main structure of the intelligent robot welding device for oil storage tanks provided by this utility model is shown in stereoscopic view. Figure 1 ; Figure 2 for Figure 1 A magnified structural diagram of A is shown below; Figure 3 The main structure of the intelligent robot welding device for oil storage tanks provided by this utility model is shown in stereoscopic view. Figure 2 ; Figure 4 for Figure 3 The diagram shows an enlarged structural representation of B.
[0022] In the specific implementation process, such as Figures 1-4 As shown, it includes two guide rails 1, with several connecting rods fixed between the two guide rails 1. A moving platform 2 is slidably mounted on the two guide rails 1, and a welding robot 3 is mounted on the moving platform 2. The specific model of this welding robot 3 can be the welding body of the Huawi HK-100S welding carriage. Its welding torch adjustment range is 40mm vertically and 120mm horizontally, with an operating angle of ±60° and swing parameters of: left and right dwell time: 0-2.5S, swing speed 0-100, and swing angle ±15°.
[0023] Two mounting shafts 4 are movably arranged between two guide rails 1. Support legs 5 are fixed on the mounting shafts 4. A rotating shaft 6 is provided on one side of one of the guide rails 1. One end of the rotating shaft 6 is fixedly connected to the mounting shaft 4. A worm gear 7 is installed on the rotating shaft 6. A base 8 is fixed to one side of the guide rail 1 by several screws. Two limit seats 9 are fixed at intervals on the base 8. A worm 10 is movably arranged between the two limit seats 9. The worm 10 meshes with the worm gear 7. The worm 10 is an Archimedes single-start worm gear with a self-locking function. The worm 10 and the worm gear 7 adopt a closed transmission, which is dustproof and waterproof, and improves its service life.
[0024] One end of the worm gear 10 extends out of the limiting seat 9 and is equipped with a crank 11. A first positioning block 12 is fixed on the mounting shaft 4, and a second positioning block 13 is fixed on one side of the guide rail 1. Rotating the crank 11 causes the worm gear 10 to rotate. Under the transmission action of the worm gear 10 and the worm wheel 7, the support leg 5 will rotate with the mounting shaft 4 until the first positioning block 12 contacts the second positioning block 13. At this time, the support leg 5 moves to a vertical position.
[0025] The guide rail 1 is fixed with a rack 14 on one side, and the moving platform 2 is fixed with a side seat 15 on one side, the side seat 15 is movably provided with a transmission shaft 16, and the moving platform 2 is provided with a displacement motor 17, the power of the displacement motor 17 needs to ensure that the moving speed of the moving platform 2 is 0-1250mm / mim, one end of the transmission shaft 16 is connected with the output end of the displacement motor 17 through a shaft coupling, and the other end is provided with a gear 18, the gear 18 is engaged with the rack 14, the displacement motor 17 is started to drive the gear 18 to rotate, under the action of the gear 18 and the rack 14, the whole moving platform 2 drives the welding robot to move along the direction of the guide rail 1, and in the moving process, the welding gun on the welding robot 3 can weld the steel plate to be welded.
[0026] The working principle of the utility model is: when the plate rolling machine rolls the steel plate into a circle, the staff only needs to place two guide rails 1 on the steel plate, rotates the crank 11 to drive the worm 10 to rotate, the supporting leg 5 rotates with the mounting shaft 4 under the transmission of the worm 10 and the worm gear 7, until the first positioning block 12 contacts the second positioning block 13, at this time, the supporting leg 5 moves to the vertical position, the welding robot can be stably supported by the two supporting legs 5, the stability of welding is ensured, and the welding quality is improved.
[0027] The displacement motor 17 is started to drive the gear 18 to rotate, under the action of the gear 18 and the rack 14, the whole moving platform 2 drives the welding robot to move along the direction of the guide rail 1, and in the moving process, the welding gun on the welding robot 3 can weld the steel plate to be welded.
[0028] After welding, the crank 11 can be reversed to move the supporting leg 5 to the horizontal position, so that the welding robot 3 and the two guide rails 1 can be taken off from the steel plate.
[0029] The circuit and control involved in the utility model are prior art, and will not be described in detail here.
[0030] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. An intelligent robot welding device for oil storage tanks, comprising two guide rails (1), a plurality of connecting rods are fixed between the two guide rails (1), a moving platform (2) is slidably arranged on the two guide rails (1), and a welding robot (3) is installed on the moving platform (2), characterized in that, Two mounting shafts (4) are movably arranged between the two guide rails (1), the mounting shafts (4) are fixed with supporting legs (5), one side of one of the guide rails (1) is provided with a rotating shaft (6), one end of the rotating shaft (6) is fixedly connected with the mounting shaft (4); A worm wheel (7) is mounted on the rotating shaft (6), a base (8) is fixed on one side of the guide rail (1) through a plurality of screws, two limiting seats (9) are fixed on the base (8) at intervals, a worm (10) is movably arranged between the two limiting seats (9), the worm (10) is engaged with the worm wheel (7).
2. The oil tank intelligent robot welding device according to claim 1, characterized in that, The worm (10) is an Archimedes single-head worm, and the worm (10) and the worm wheel (7) adopt closed transmission.
3. The oil tank intelligent robot welding device according to claim 2, characterized in that, One end of the worm (10) extends out of the limiting seat (9) and is provided with a hand crank (11).
4. The oil tank intelligent robot welding device according to claim 3, characterized in that, A first positioning block (12) is fixed on the mounting shaft (4), and a second positioning block (13) is fixed on one side of the guide rail (1).
5. The oil tank intelligent robot welding device according to claim 4, characterized in that, A rack (14) is fixed on one side of the guide rail (1), a side seat (15) is fixed on one side of the moving platform (2), and a transmission shaft (16) is movably arranged on the side seat (15); A displacement motor (17) is mounted on the moving platform (2), one end of the transmission shaft (16) is connected with the output end of the displacement motor (17) through a shaft coupling, and the other end is provided with a gear (18), the gear (18) is engaged with the rack (14).