Welding device for large inner floating roof storage tank

Abstract

The utility model discloses a welding device for a large-scale inner floating roof storage tank, which relates to the technical field of storage tank welding and comprises a supporting underframe, a lifting mechanism is arranged in the supporting underframe and comprises a fixing frame, the inner wall of the fixing frame is fixedly connected with the supporting underframe, a first motor is fixedly connected to the inner wall of the fixing frame, and a second motor is fixedly connected to the inner wall of the fixing frame. And the output end of the first motor is fixedly connected with a first chain wheel. According to the welding device, the first motor, the first chain wheel, the first bidirectional threaded rod, the first threaded block, the first lifter, the first sliding block, the chain, the second chain wheel, the second bidirectional threaded rod, the second threaded block, the second lifter, the second sliding block, the lifting plate and the welding device body are arranged in a matched mode; therefore, the height of the welder body can be effectively adjusted to weld gaps of the storage tank at different height positions when the internal floating roof storage tank which is large and cannot move is welded, and the internal floating roof welding device is further more practical.

Description

Technical Field

[0001] The utility model relates to the technical field of storage tank welding, in particular to a welding device for a large internal floating roof storage tank. Background Art

[0002] Nowadays, storage tanks are used to store liquids or gases, and steel storage tank projects are essential and important infrastructure in industries such as petroleum, chemical, grain and oil, food, fire protection, transportation, metallurgy, and national defense. When manufacturing storage tanks, the longitudinal seams on the inner walls of the tanks need to be welded.

[0003] According to the patent number CN218461292U, a tank welding device is disclosed, including a welding processing device located on the ground, and a tank fixing device is arranged on one side of the top of the welding processing device. By adjusting the screw rod and the screw hole structure, the tank fixing device can be driven to move horizontally on the top of the processing table, so that the tank fixing assembly can adjust the horizontal displacement of the tank according to the needs of the welding process.

[0004] During the implementation of the above scheme, although the displacement of the storage tank can be adjusted according to the needs of the welding process, when welding some large internal floating roof storage tanks that cannot be moved, it is not possible to weld the gaps at different heights, which makes its practicality low; for this reason, we provide a welding device for a large internal floating roof storage tank to solve the above problems. Utility Model Content

[0005] The utility model aims to make up for the deficiencies of the prior art and provides a welding device for a large internal floating roof storage tank.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding device for a large internal floating roof storage tank, comprising a supporting base frame, a lifting mechanism is arranged inside the supporting base frame, the lifting mechanism comprises a fixed frame, the inner wall of the fixed frame is fixedly connected to the supporting base frame, the inner wall of the fixed frame is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a first sprocket, the outer surface of the first sprocket is rotatably connected to the supporting base frame, the inner wall of the supporting base frame is rotatably connected to a two-way threaded rod 1, one end of the two-way threaded rod 1 is fixedly connected to the first sprocket, the outer surface of the two-way threaded rod 1 is threadedly connected to a first threaded block, the inner wall of the first threaded block is hinged with a lifter 1, the upper end of the lifter 1 is hinged with a first slider, and the inner wall of the first sprocket is transmission-connected to The outer surface of the chain is transmission connected to the second sprocket, the outer surface of the second sprocket is rotatably connected to the supporting base frame, the inner wall of the supporting base frame is rotatably connected to a two-way threaded rod, one end of the two-way threaded rod is fixedly connected to the second sprocket, the outer surface of the two-way threaded rod is threadedly connected to the second threaded block, the inner wall of the second threaded block is hinged with a lifter two, the upper end of the lifter two is hinged with a second slider, the outer surface of the second slider is slidably connected to a lifting plate, the inner wall of the lifting plate is slidably connected to the first slider, the top surface of the lifting plate is fixedly connected to a slide rail plate, the top surface of the slide rail plate is slidably connected to a slide plate, the top surface of the lifting plate is fixedly connected to an electric push rod, the telescopic end of the electric push rod is fixedly connected to the slide plate, and the top surface of the slide plate is fixedly connected to a welding device body.

[0007] Furthermore, a cleaning mechanism is provided above the supporting chassis, and the cleaning mechanism comprises a fixing block, and an outer surface of the fixing block is fixedly connected to the welding device body.

[0008] Furthermore, a second motor is fixedly connected to the outer surface of the fixed block, a rotating rod is fixedly connected to the output end of the second motor, and a fan blade is fixedly connected to one end of the rotating rod away from the second motor.

[0009] Furthermore, the outer surface of the rotating rod is rotatably connected to a partition, the outer surface of the partition is fixedly connected to a guide tube, the outer surface of the guide tube is fixedly connected to a fixed block, and the outer surface of the guide tube is fixedly connected to an ash suction head.

[0010] Furthermore, the bottom surface of the guide cylinder is fixedly connected with a guide pipe, the outer surface of the guide pipe is threadedly connected with a collecting cylinder, and the bottom surface of the supporting frame is fixedly connected with a universal wheel.

[0011] Compared with the prior art, the welding device of the large internal floating roof storage tank has the following beneficial effects:

[0012] 1. The utility model is equipped with a first motor, a first sprocket, a two-way threaded rod 1, a first threaded block, a lifter 1, a first slider, a chain, a second sprocket, a two-way threaded rod 2, a second threaded block, a lifter 2, a second slider, a lift plate and a welder body. By turning on the power supply and starting the operation of the first motor to rotate the first sprocket, the lifter 1 and the lifter 2 can effectively drive the lift plate to move up and down, thereby realizing that when the utility model is faced with some large-scale internal floating roof storage tanks that cannot be moved for welding, the height of the welder body can be effectively adjusted to cope with the welding of gaps at different heights of the storage tank, and the device is further made more practical.

[0013] 2. The utility model cooperates with a fixed block, a second motor, a rotating rod, fan blades, a partition, a guide tube, an ash suction head, a guide tube and a collecting tube. By turning on the power to start the operation of the second motor, the rotating rod drives the fan blades to rotate. During the rotation of the fan blades, the air flow will be sucked into the interior of the guide tube from the ash suction head, thereby realizing that the utility model can effectively clean the dust in the gap in time before welding the storage tank, thereby improving the welding efficiency when welding the gap of the storage tank, and further making the sealing of the storage tank stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a three-dimensional structural diagram of the lifting mechanism of the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the electric push rod of the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the cleaning mechanism of the utility model.

[0018] In the figure: 1. supporting chassis; 2. lifting mechanism; 201. fixing frame; 202. first motor; 203. first sprocket; 204. two-way threaded rod one; 205. first threaded block; 206. lifter one; 207. first slider; 208. chain; 209. second sprocket; 210. two-way threaded rod two; 211. second threaded block; 212. lifter two; 213. second slider; 214. lifting plate; 3. slide plate; 4. slide plate; 5. electric push rod; 6. welding machine body; 7. cleaning mechanism; 701. fixing block; 702. second motor; 703. rotating rod; 704. fan blade; 705. partition; 706. guide tube; 707. dust suction head; 708. guide tube; 709. collecting tube; 8. universal wheel. DETAILED DESCRIPTION

[0019] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0020] See also Figure 1 A welding device for a large internal floating roof storage tank includes a supporting frame 1. A power supply is installed inside the supporting frame 1, so that the electrical equipment in this application can be powered. A universal wheel 8 is fixedly connected to the bottom surface of the supporting frame 1. A brake mechanism is arranged inside the universal wheel 8. The brake mechanism can effectively fix the device so that it cannot move again, thereby making it more stable when welding the storage tank.

[0021] See also Figure 2 A lifting mechanism 2 is arranged inside the supporting base frame 1, and the lifting mechanism 2 includes a fixing frame 201, an inner wall of the fixing frame 201 is fixedly connected to the supporting base frame 1, a first motor 202 is fixedly connected to the inner wall of the fixing frame 201, and a control button of the first motor 202 is installed on the outer surface of the supporting base frame 1. The control button can effectively power on the first motor 202 to work. The setting of the fixing frame 201 can effectively fix the first motor 202.

[0022] The output end of the first motor 202 is fixedly connected to the first sprocket 203, the outer surface of the first sprocket 203 is rotatably connected to the supporting base 1, the inner wall of the supporting base 1 is rotatably connected to the bidirectional threaded rod 204, one end of the bidirectional threaded rod 204 is fixedly connected to the first sprocket 203, the outer surface of the bidirectional threaded rod 204 is threadedly connected to the first threaded block 205, the operation of turning on the power to start the first motor 202 is effectively driven to rotate the bidirectional threaded rod 204, and the process of the rotation of the bidirectional threaded rod 204 effectively drives the two first threaded blocks 205 to move away from or approach each other, the inner wall of the first threaded block 205 is hinged with a lifter 206, and the relative movement of the two first threaded blocks 205 will effectively drive the lifter 206 to move and deform.

[0023] The upper end of the lifter 206 is hinged with a first slider 207, the inner wall of the first sprocket 203 is transmission-connected with a chain 208, and the outer surface of the chain 208 is transmission-connected with a second sprocket 209. Turning on the first motor 202 by the control button will effectively drive the chain 208 to drive the second sprocket 209 to rotate, the outer surface of the second sprocket 209 is rotationally connected to the supporting base frame 1, and the inner wall of the supporting base frame 1 is rotationally connected with a two-way threaded rod 210, one end of the two-way threaded rod 210 is fixedly connected to the second sprocket 209, and the rotation of the second sprocket 209 will effectively drive the two-way threaded rod 210 to rotate, thereby realizing that the two-way threaded rod 1 204 and the two-way threaded rod 2 210 can be driven to rotate by simply turning on the first motor 202.

[0024] The outer surface of the bidirectional threaded rod 210 is threadedly connected to the second threaded block 211, and the inner wall of the second threaded block 211 is hinged with the lifter 212, and the upper end of the lifter 212 is hinged with the second slider 213. When the lifter 1 206 and the lifter 212 are deformed, the first slider 207 and the second slider 213 are effectively driven to move. The outer surface of the second slider 213 is slidably connected to the lifting plate 214, and the inner wall of the lifting plate 214 is slidably connected to the first slider 207. Through the irregular arrangement of the first slider 207 and the second slider 213, when the first slider 207 and the second slider 213 move, the lifting plate 214 is effectively pulled to move upward or downward.

[0025] See also Figure 3 The top surface of the lifting plate 214 is fixedly connected with a slide plate 3, and the top surface of the slide plate 3 is slidably connected with a slide plate 4. The top surface of the slide plate 3 is provided with a slide groove, and the bottom surface of the slide plate 4 is fixedly connected with a sliding block, and the slide block and the slide groove can effectively make the slide plate 4 slide on the top surface of the slide plate 3. The top surface of the lifting plate 214 is fixedly connected with an electric push rod 5, and the outer surface of the supporting frame 1 is provided with a control button of the electric push rod 5. The telescopic end of the electric push rod 5 is fixedly connected to the slide plate 4, and the top surface of the slide plate 4 is fixedly connected with a welder body 6, and the outer surface of the supporting frame 1 is provided with a control button of the welder body 6. The control button of the electric push rod 5 can effectively push the welder body 6, so that the welding head at one end of the welder body 6 is aligned with the gap of the storage tank.

[0026] See also Figure 4 A cleaning mechanism 7 is arranged above the supporting base frame 1, and the cleaning mechanism 7 includes a fixed block 701. The outer surface of the fixed block 701 is fixedly connected to the welder body 6. The fixed block 701 is fixedly connected to the welder body 6, so that the welder body 6 and the cleaning mechanism 7 can be effectively moved simultaneously. The outer surface of the fixed block 701 is fixedly connected to the second motor 702. The outer surface of the supporting base frame 1 is provided with a control button of the second motor 702. The output end of the second motor 702 is fixedly connected to a rotating rod 703. The end of the rotating rod 703 away from the second motor 702 is fixedly connected to a fan blade 704. The fan blade 704 is arranged so as to effectively attract the airflow.

[0027] The outer surface of the rotating rod 703 is rotatably connected to a partition 705, and the outer surface of the partition 705 is fixedly connected to a guide tube 706. The setting of the partition 705 effectively protects the second motor 702 to prevent dust from entering the second motor 702 and affecting its service life. The outer surface of the guide tube 706 is fixedly connected to the fixed block 701, and the outer surface of the guide tube 706 is fixedly connected to an ash suction head 707. The setting of the ash suction head 707 allows the ash suction head 707 to effectively penetrate into the gap to attract dust. The bottom surface of the guide tube 706 is fixedly connected to a guide pipe 708, and the outer surface of the guide pipe 708 is threadedly connected to a collecting tube 709. The setting of the collecting tube 709 effectively collects dust to prevent dust from being discharged to the outside during welding and affecting environmental hygiene.

[0028] The first motor 202, the electric push rod 5, the welding machine body 6 and the second motor 702 in the present application are all electrical devices commonly used in the prior art. Their models or internal structures will not be described in detail in the present application, and they can also be replaced by other power sources.

[0029] Working principle: the device is moved to the storage tank through the universal wheel 8, at which time the brake system inside the universal wheel 8 is turned on to prevent the device from moving again, and the power is turned on to turn on the first motor 202 according to the height of the gap in the storage tank to rotate the first sprocket 203, and the rotation of the first sprocket 203 drives the chain 208 to transmit the power, and the transmission force of the chain 208 will drive the second sprocket 209 to rotate, and the rotation of the first sprocket 203 and the second sprocket 209 will drive the two-way threaded rod 1 204 and the two-way threaded rod 210 to rotate, and through The two-way threaded rod 1 204 and the two-way threaded rod 210 are arranged with opposite threads, so that the two first threaded blocks 205 and the two second threaded blocks 211 are effectively moved away from or close to each other. When the first threaded block 205 and the second threaded block 211 move, the lifter 1 206 is deformed, so that the lifting plate 214 moves upward. In the process of the lifting plate 214 moving upward, the two slide rails 3 are driven to move upward. The movement of the slide rails 3 drives the slide plate 4 to move upward. The movement of the slide plate 4 drives the welder body 6 to move upward. , until the welding head at one end of the welding device body 6 moves to the highest point of the gap in the storage tank, at this time, the power is turned on to start the operation of the electric push rod 5, so that the electric push rod 5 is extended and retracted to drive the slide plate 4 to move on the top surface of the slide rail plate 3. During the movement of the slide plate 4, the welding head at one end of the welding device body 6 and the ash suction head 707 will be driven to contact the gap, and the operation of the first motor 202, the welding device body 6 and the second motor 702 will be started at the same time. At this time, the second motor 702 will drive the rotating rod 703 to rotate, and the rotating rod 703 rotates to drive the fan blade 704 to move The fan blades 704 rotate at a high speed, and during the rotation, the airflow will be drawn from the ash suction head 707 into the interior of the guide tube 706 through attraction. At this time, the dust in the gap that the ash suction head 707 resists will be drawn into the interior of the guide tube 706 through attraction, and then the guide tube 706 will guide the dust to the interior of the collection tube 709 through the guide tube 708 for collection. The first motor 202 cooperates with the welding machine body 6 to move downward, thereby realizing a fully automated one-time continuous downward cleaning of the gap and welding, thereby making the device more practical.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding device for a large internal floating roof storage tank, comprising a supporting frame (1), characterized in that: A lifting mechanism (2) is arranged inside the supporting base frame (1), and the lifting mechanism (2) comprises a fixed frame (201), the inner wall of the fixed frame (201) is fixedly connected to the supporting base frame (1), the inner wall of the fixed frame (201) is fixedly connected to a first motor (202), the output end of the first motor (202) is fixedly connected to a first sprocket (203), the outer surface of the first sprocket (203) is rotatably connected to the supporting base frame (1), and the inner wall of the supporting base frame (1) is rotatably connected to a bidirectional threaded rod One end of the bidirectional threaded rod (204) is fixedly connected to the first sprocket (203), the outer surface of the bidirectional threaded rod (204) is threadedly connected to a first threaded block (205), the inner wall of the first threaded block (205) is hingedly connected to a lifter (206), the upper end of the lifter (206) is hingedly connected to a first slider (207), the inner wall of the first sprocket (203) is transmission-connected to a chain (208), and the outer surface of the chain (208) is transmission-connected to a second sprocket (20 9), the outer surface of the second sprocket (209) is rotatably connected to the support base (1), the inner wall of the support base (1) is rotatably connected to a second bidirectional threaded rod (210), one end of the second bidirectional threaded rod (210) is fixedly connected to the second sprocket (209), the outer surface of the second bidirectional threaded rod (210) is threadedly connected to a second threaded block (211), the inner wall of the second threaded block (211) is hingedly connected to a second lifter (212), and the upper end of the second lifter (212) is hingedly connected to a second slider (213) ), the outer surface of the second slider (213) is slidably connected to a lifting plate (214), the inner wall of the lifting plate (214) is slidably connected to the first slider (207), the top surface of the lifting plate (214) is fixedly connected to a slide rail plate (3), the top surface of the slide rail plate (3) is slidably connected to a slide plate (4), the top surface of the lifting plate (214) is fixedly connected to an electric push rod (5), the telescopic end of the electric push rod (5) is fixedly connected to the slide plate (4), and the top surface of the slide plate (4) is fixedly connected to a welding device body (6).

2. A welding device for a large internal floating roof storage tank according to claim 1, characterized in that: A cleaning mechanism (7) is arranged above the supporting base frame (1), and the cleaning mechanism (7) comprises a fixing block (701), and the outer surface of the fixing block (701) is fixedly connected to the welding device body (6).

3. A welding device for a large internal floating roof storage tank according to claim 2, characterized in that: The outer surface of the fixed block (701) is fixedly connected to a second motor (702), the output end of the second motor (702) is fixedly connected to a rotating rod (703), and one end of the rotating rod (703) away from the second motor (702) is fixedly connected to a fan blade (704).

4. A welding device for a large internal floating roof storage tank according to claim 3, characterized in that: The outer surface of the rotating rod (703) is rotatably connected to a partition (705), the outer surface of the partition (705) is fixedly connected to a guide tube (706), the outer surface of the guide tube (706) is fixedly connected to a fixed block (701), and the outer surface of the guide tube (706) is fixedly connected to an ash suction head (707).

5. A welding device for a large internal floating roof storage tank according to claim 4, characterized in that: The bottom surface of the guide tube (706) is fixedly connected to a guide pipe (708), the outer surface of the guide pipe (708) is threadedly connected to a collecting tube (709), and the bottom surface of the supporting base frame (1) is fixedly connected to a universal wheel (8).

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